CN1328086C

CN1328086C - Rotating mechanism of on-ceiling vedio display on board

Info

Publication number: CN1328086C
Application number: CNB2004100652656A
Authority: CN
Inventors: 秦志尚; 顾华新
Original assignee: XINKE ELECTRONIC CO Ltd
Current assignee: Changzhou Wujin Wu Xin Asset Management Co., Ltd.
Priority date: 2004-11-02
Filing date: 2004-11-02
Publication date: 2007-07-25
Anticipated expiration: 2024-11-02
Also published as: CN1613688A

Abstract

The present invention belongs to a rotating mechanism of a vehicle-carried video displaying device. The mechanism is provided with a base, a cornered rack, a display screen installing rack and a rotating part, wherein the rotating part is provided with a connecting rack, a movable axis rotating component and a fixed axis rotating component which is provided with a left fixed axis rotating component and a right fixed axis rotating component; the connecting rack of which the basic shape is a U shape is provided with a bottom board, a left side board and a right side board; the connecting rack is in rotational connection with resistance with the left fixed axis rotating component via the left side board and is in rotational connection with resistance with the right fixed axis rotating component via the right side board; the movable axis rotating component is arranged on the bottom board of the connecting rack and is in rotational connection with resistance with the connecting rack; and the display screen installing rack is fixedly connected with a connecting arm board of the movable axis rotating component. In the ceiling type vehicle-carried video displaying device of the present invention, a display screen component is fixed to the display screen installing rack, and thereby, the mechanism can meet the requirement for watching in different positions inside the vehicle via adjusting the display screen component. The mechanism is simple in structure and convenient in assembly and disassembly.

Description

The rotating mechanism of on-ceiling vedio display on board

Technical field

The present invention relates to a kind of rotating mechanism of vehicle-carried video display device.

Background technology

Vehicle-carried video display device is provided with the difference of position by it, is divided into two big classes usually.One class is fixed on the operator platform of automotive front and can be described as the built-in vehicle video display devices, another kind ofly is fixed on the top in the automobile and can be described as on-ceiling vedio display on board.Existing on-ceiling vedio display on board can be divided into two kinds of fixed type and rotary types by its rotating manner.Inhale top fixed type vehicle-carried video display device and generally all have mounting bracket and display screen component, display screen component is fixed on the mounting bracket, and mounting bracket is fixed on the top in vehicular drive storehouse or the passenger storehouse, and during use, display screen component can not rotate.Inhale top rotary type vehicle-carried video display device then except display screen component, also have pedestal and rotatable parts and read-out erecting frame, display screen component is fixed on the read-out erecting frame, the read-out erecting frame is rotationally connected by rotatable parts and pedestal, and pedestal is fixed on the roof by iron plate is installed; But the on-ceiling vedio display on board of this structure can only make display screen component rotate along horizontal axis, and promptly display screen component can only carry out the rotation of up and down folding, and can't left-right rotation, can not satisfy the multi-faceted needs of watching.

Summary of the invention

The purpose of this invention is to provide in a kind of use and can satisfy the multi-faceted rotating mechanism of watching the on-ceiling vedio display on board of needs.

The technical scheme that realizes the object of the invention is: this rotating mechanism has pedestal, rotatable parts and read-out erecting frame; The read-out erecting frame is fixed on the rotatable parts; Its constructional feature is: this rotating mechanism also has the corner frame; The corner frame is fixed on the rear portion of pedestal and is positioned at the top of pedestal, and rotatable parts are fixed on the corner frame and are positioned at the below of corner frame; Rotatable parts have link span, dead axle runner assembly and moving axis runner assembly, and the dead axle runner assembly has left dead axle runner assembly and right dead axle runner assembly again; Left side dead axle runner assembly has left Connection Block, and right dead axle runner assembly has right Connection Block; Link span is an integral piece, link span be shaped as " U " shape, link span has base plate and the left side board that links to each other with base plate, right side board; Link span has resistance to be rotationally connected by its left side board and left dead axle runner assembly, and link span has resistance to be rotationally connected by its right side board and right dead axle runner assembly; The moving axis runner assembly has the connecting arm plate; The moving axis runner assembly is arranged on the base plate of link span and with link span has resistance to be rotationally connected; The read-out erecting frame is an integral piece, and the read-out erecting frame has pressing plate and links to each other with pressing plate and perpendicular to the vertical connecting panel of pressing plate; The vertical connecting panel of read-out erecting frame is captiveed joint with the connecting arm plate of moving axis runner assembly, and the read-out erecting frame is fixed on the rotatable parts; The left Connection Block of left side dead axle runner assembly and the right Connection Block of right dead axle runner assembly are all captiveed joint with the corner frame, and rotatable parts are fixed on the corner frame; The axis of left side dead axle runner assembly and the axis of right dead axle runner assembly are located on the same line, and this straight line is the axis of dead axle runner assembly just, and the axis of dead axle runner assembly is vertical mutually with the axis of moving axis runner assembly.

Have connecting through hole, the first spacing shoulder block and the second spacing shoulder block on the left side board of above-mentioned link span, the angle between the first spacing shoulder block and the second spacing shoulder block is that 90 degree are to 150 degree; Have connecting through hole, the 3rd spacing shoulder block and the 4th spacing shoulder block on the right side board of link span, the angle between the 3rd spacing shoulder block and the 4th spacing shoulder block is identical with the angle between the second spacing shoulder block with the first spacing shoulder block of left side board; Have connecting through hole and positive stop on the base plate; The connecting through hole on the left side board of link span and the axis of the connecting through hole on the right side board are on same straight line, this straight line also is the axis of dead axle runner assembly, the axis of the connecting through hole on the base plate then be with left side board and right side board on the axis of the perpendicular moving axis runner assembly of the axis of connecting through hole.

Above-mentioned left dead axle runner assembly also has left limit catch, left friction shim, left first elastomeric pad, left second elastomeric pad, a left side the 3rd elastomeric pad, left setting up piece and left fastening nut; The left Connection Block of left side dead axle runner assembly has captive joint section, the section of stopping that links to each other successively and the resistance section of being rotationally connected is arranged, the captive joint section is provided with through hole, have the resistance section of being rotationally connected the cross section be shaped as oval shape, there be outer section of the resistance section of being rotationally connected to be spiro rod section, it is the polished rod section that the inner segment of the resistance section of being rotationally connected is arranged, and the connecting through hole on the external diameter of this polished rod section and the left side board of link span matches, and the external diameter of the section of stopping is greater than the external diameter that the resistance section of being rotationally connected is arranged; The left limit catch comprises clout body and block, and the clout body center has the oval shape through hole that has the resistance section of being rotationally connected to match with left Connection Block; A left side first elastomeric pad, left second elastomeric pad, a left side the 3rd elastomeric pad shape are identical; The external diameter of left side friction shim, left first elastomeric pad, left second elastomeric pad, a left side the 3rd elastomeric pad, left setting up piece is identical with the baffle element external diameter of left Connection Block, the center of a left side first elastomeric pad, left second elastomeric pad, a left side the 3rd elastomeric pad all has the manhole that has the resistance section of being rotationally connected to match with left Connection Block, and the center of left friction shim, left setting up piece all has the oval shape through hole that has the resistance section of being rotationally connected to match with left Connection Block; Left side Connection Block, the left limit catch, left side friction shim, a left side first elastomeric pad, a left side second elastomeric pad, a left side the 3rd elastomeric pad, left side setting up piece and left fastening nut are integral piece, the left limit catch, the left side board of link span, left side friction shim, a left side first elastomeric pad, a left side second elastomeric pad, a left side the 3rd elastomeric pad, left side setting up piece is enclosed within having on the resistance section of being rotationally connected of left Connection Block by separately centre hole successively, the left limit catch is contacted with the outside of the left side board of connecting panel, and the block of left limit catch is between the first spacing shoulder block and the second spacing shoulder block on the left side board of link span; Left side friction shim contacts with the inboard of the left side board of link span, and elasticity is fastening in the axial direction by left fastening nut, thereby the resistance that has that has formed between left dead axle runner assembly and the link span is rotationally connected; Right dead axle runner assembly also has right limit catch, right friction shim, right first elastomeric pad, right second elastomeric pad, right the 3rd elastomeric pad, right setting up piece and right fastening nut; The right Connection Block of right dead axle runner assembly has captive joint section, the section of stopping that links to each other successively and the resistance section of being rotationally connected is arranged, the captive joint section is provided with through hole, have the resistance section of being rotationally connected the cross section be shaped as oval shape, there be outer section of the resistance section of being rotationally connected to be spiro rod section, it is the polished rod section that the inner segment of the resistance section of being rotationally connected is arranged, and the connecting through hole on the external diameter of this polished rod section and the right side board of link span matches, and the external diameter of the section of stopping is greater than the external diameter that the resistance section of being rotationally connected is arranged; The right limit catch comprises clout body and block, and the clout body center has the oval shape through hole that has the resistance section of being rotationally connected to match with right Connection Block; Right first elastomeric pad, right second elastomeric pad, right the 3rd elastomeric pad shape are identical; The external diameter of right friction shim, right first elastomeric pad, right second elastomeric pad, right the 3rd elastomeric pad, right setting up piece is identical with the baffle element external diameter of right Connection Block, the center of right first elastomeric pad, right second elastomeric pad, right the 3rd elastomeric pad all has the manhole that has the resistance section of being rotationally connected to match with right Connection Block, and the center of right friction shim, right setting up piece all has the oval shape through hole that has the resistance section of being rotationally connected to match with right Connection Block; Right Connection Block, the right limit catch, right friction shim, right first elastomeric pad, right second elastomeric pad, right the 3rd elastomeric pad, right setting up piece and right fastening nut are integral piece, the right limit catch, the right side board of link span, right friction shim, right first elastomeric pad, right second elastomeric pad, right the 3rd elastomeric pad, right setting up piece is enclosed within having on the resistance section of being rotationally connected of right Connection Block by separately centre hole successively, the right limit catch is contacted with the outside of the right side board of connecting panel, and the block of right limit catch is between the 3rd spacing shoulder block and the 4th spacing shoulder block on the right side board of link span; Right friction lining contacts with the inboard of the right side board of link span, and elasticity is fastening in the axial direction by right fastening nut, thereby the resistance that has that has formed between right dead axle runner assembly and the link span is rotationally connected.

A left side first elastomeric pad of above-mentioned left dead axle runner assembly, left second elastomeric pad, a left side the 3rd elastomeric pad, the right side first elastomeric pad of right dead axle runner assembly, right second elastomeric pad, right the 3rd elastomeric pad are bipyramid surface elastic packing ring; Be equipped with 8 to 16 on the left limit catch of left side dead axle runner assembly, left friction shim, left setting up piece, the right limit catch of right dead axle runner assembly, right friction shim, the right setting up piece and be used to store groove that lubricating oil is used, that be evenly distributed.

Above-mentioned moving axis runner assembly has swivel, spacing shim, friction shim, dust boot, locating shim, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad, connects pad, connecting arm plate and fixed plate; Wherein swivel has bonded assembly blocking seat, major connector and tang successively, the top of major connector is connected with blocking seat, being shaped as of the cross section of major connector is arc, the diameter of its circular arc portion is less than the external diameter of blocking seat, the bottom of major connector is provided with tapped bore, and tang is positioned in the middle of the bottom of major connector; The outside of spacing shim is provided with the spacing shoulder block of front limit shoulder block and back, and the angle between the two spacing shoulder blocks is that 180 degree are to 270 degree; Spacing shim, friction shim and locating shim center all have the arc through hole that the major connector with swivel matches; The shape of first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad is identical, and the external diameter of the internal diameter of first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad and the major connector of swivel matches; The center that connects pad has the arc through hole that the major connector with swivel matches, and connects pad and also is provided with a connecting bore; Connecting arm plate center is provided with the manhole that the tang external diameter with swivel matches, the connecting arm plate be positioned at manhole around plate body on have the corresponding connecting bore of tapped bore with the major connector top of swivel, the one side of connecting arm plate be provided be connected pad on the stud bump that matches of connecting bore, also be provided with the pressing plate connecting bore on the connecting arm plate; Fixed plate be provided with manhole that the tang external diameter with swivel matches and with the corresponding connecting bore of tapped bore at the major connector top of swivel; The external diameter of locating shim, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad, connection pad is identical; Dust boot is circular body, its internal diameter greater than locating shim, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad, connect the external diameter of pad, its height less than locating shim, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad, connect the thickness that pad stacks; Spacing shim, friction shim, dust boot, locating shim, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad, connection pad, connecting arm plate and fixed plate are integral piece; The base plate of spacing shim, friction shim and link span is enclosed within on the major connector of swivel, friction shim is contacted with the base plate inboard of link span, block on the base plate of link span places between the spacing shoulder block of front limit shoulder block and back of spacing shim, dust boot, locating shim, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad, connection pad are enclosed within on the major connector of swivel successively, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad are enclosed within on the major connector of swivel respectively in opposite directions again; Locating shim, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad and the thickness that is connected pad stack stretch out the height of attaching parts chassis outer side greater than swivel; Connecting arm plate, setting up piece are enclosed within on the tang of swivel successively, the cylindrical projections of connecting arm plate stretches in the connecting bore that connects pad again; Pass manhole and the manhole on the connecting arm plate on the fixed plate successively and be tightened in the screw on the major connector of swivel by screw, first elastomeric pad, second elastomeric pad, the 3rd elastomeric pad produce distortion because of stressed, make inboard generation of base plate of plate outer side, friction shim and the link span of locating shim and link span that the resistance friction be arranged, be formed with resistance and be rotationally connected.

The base plate of above-mentioned link span is provided with two grooves with respect to connecting through hole axle center symmetry, and the angle between two grooves is 180 degree; The one side of the locating shim of moving axis runner assembly is provided with two prominent bubbles with respect to locating shim axle center symmetry, and two angles of dashing forward between the bubble are 180 degree; Distance between two grooves on distance between two prominent bubbles and the base plate of link span equates; When the moving axis runner assembly rotates with respect to link span, the prominent bubble of spacer can fall into link span base plate groove or be pressed on the plate face of base plate of link span.

First elastomeric pad of above-mentioned moving axis runner assembly, second elastomeric pad, the 3rd elastomeric pad are bipyramid surface elastic packing ring; The spacing shim of moving axis runner assembly is provided with 8 to 16 and is used to store pit that lubricating oil is used, that be evenly distributed; Friction shim is provided with 8 to 16 and is used to store through hole that lubricating oil is used, that be evenly distributed.The swivel of above-mentioned moving axis runner assembly has the medium pore of up/down perforation.

Above-mentioned corner frame is being shaped as of integral type

The corner plate of shape, the corner frame has left side frame plate, connection support body and the right side frame plate that links to each other successively, the outer panel section of the left side frame plate of corner frame is fixed on the joint pin that is provided with up of rear portion left side pedestal of pedestal, the outer panel section of the right side frame plate of corner frame is fixed on the joint pin that is provided with up of right side, rear portion pedestal of pedestal, and makes the corner frame be fixed on the rear portion of pedestal and be positioned at the top of pedestal; The left Connection Block of left side dead axle runner assembly is fixedly connected on the interior plate section of left side frame plate of corner frame, and the right Connection Block of right dead axle runner assembly is fixedly connected on the interior plate section of right side frame plate of corner frame.Be provided with in the middle of the rear portion of pedestal and be positioned at left side pedestal and the middle frid seat of right side pedestal; The frid seat has the middle part plate body in the middle of being positioned at, be positioned at the left part plate body and the right part plate body that is positioned at plate body right side, middle part in plate body left side, middle part, the top of the middle part plate body of frid seat exceeds left side pedestal and right side pedestal, the left part plate body of frid seat is provided with the left gap of the opening left that makes progress, and the lower space of the middle part plate body of frid seat is connected with the upper space of the left side pedestal at pedestal rear portion, the right part plate body of frid seat is provided with upwards the right gap of opening to the right, and the lower space of the middle part plate body of frid seat is connected with the upper space of the right side pedestal at pedestal rear portion; The interior plate section of the left side frame plate of corner frame is positioned at the left opening position at the rear portion of pedestal, and the interior plate section of the right side frame plate of corner frame is positioned at the right opening position at the rear portion of pedestal.

The present invention has positive effect: (1) adopts the on-ceiling vedio display on board of rotating mechanism of the present invention, its display screen component is fixed on the read-out erecting frame, thereby can be by adjustment to display screen component, promptly display screen component is carried out folding adjustment and left rotation and right rotation adjustment up and down, thereby satisfy the needs of watching of interior each diverse location of car.(2) has spacing shoulder block on the left and right side plate of link span of the present invention, left and right sides dead axle runner assembly has spacing catch, thereby the display screen component that has guaranteed on-ceiling vedio display on board rotates in reasonable range, prevents to be damaged because of display screen component rotates the excessive read out instrument that makes.(3) adopt the on-ceiling vedio display on board of rotating mechanism of the present invention cable can be passed the moving axis runner assembly swivel medium pore and be connected with read-out, the base plate of link span of the present invention has positive stop, the moving axis runner assembly has spacing shim, thereby guarantee that the cable in the swivel can not twine mutually because of the unrestricted equidirectional rotation of display screen component and cause circuit impaired when the moving axis runner assembly centers on its rotational.(4) base plate of the link span of rotatable parts of the present invention is provided with groove, the locating shim of moving axis runner assembly is provided with prominent bubble, when display screen component is spent at initial condition with around the rotational 180 of moving axis runner assembly, prominent bubble just in time falls into groove, the left-right rotation position that allows the user can obviously feel display screen component.(5) left and right sides dead axle runner assembly of rotatable parts of the present invention and moving axis runner assembly and being connected of link span all are to have resistance to be rotationally connected, and the optional position that makes the display screen component of on-ceiling vedio display on board to be in course of adjustment stops and keeping its angle with respect to spectators constant.(6) be equipped with on the spacing shim in spacing catch, friction shim, setting up piece and the moving axis runner assembly in the dead axle runner assembly of rotatable parts of the present invention and be used to store groove that lubricating oil is used, that be evenly distributed, friction shim in the moving axis runner assembly is provided with and is used to store through hole that lubricating oil is used, that be evenly distributed, make that the dynamic friction resistance of the folding rotation of rotatable parts and left-right rotation is less, it is comparatively smooth along slip-stream that the display screen component of on-ceiling vedio display on board is in course of adjustment, and also makes the wearing and tearing of rotatable parts less.(7) the present invention is simple and reasonable for structure, easy accessibility.

Description of drawings

Fig. 1 is a kind of schematic perspective view of the present invention.

Fig. 2 is the schematic perspective view during from the beneath of Fig. 1.

Fig. 3 is the perspective exploded view of Fig. 2.

Fig. 4 is the perspective exploded view when observing from the back upper place of Fig. 3.

Fig. 5 is the schematic perspective view of pedestal among Fig. 4.

Fig. 6 is the schematic perspective view of Fig. 4 transfer corner bracket.

Fig. 7 is the schematic perspective view of read-out erecting frame among Fig. 4.

Fig. 8 is the schematic perspective view of the rotatable parts among Fig. 3, and the position of its moving axis runner assembly is positioned at towards the bottom by being positioned among Fig. 3 to turn to towards the front portion.

Fig. 9 is the schematic perspective view when observing from the back upper place of Fig. 8.

Figure 10 is the schematic perspective view of the connecting panel in the rotatable parts of Fig. 8.

Figure 11 is the schematic perspective view when observing from the rear of Figure 10.

Figure 12 is the three-dimensional exploded view of the dead axle runner assembly among Fig. 8.

Figure 13 is the three-dimensional exploded view when observing from the back upper place of Figure 12.

Figure 14 is the three-dimensional exploded view of the moving axis runner assembly among Fig. 8.

Figure 15 is the three-dimensional exploded view when observing from the back upper place of Figure 14.

Figure 16 is the schematic perspective view of the spacing shim in the moving axis runner assembly of Figure 14.

Figure 17 is the schematic perspective view of the friction shim in the moving axis runner assembly of Figure 14.

Figure 18 is the left limit catch in the left and right sides dead axle runner assembly of Figure 12 and the schematic perspective view of right limit catch.

Figure 19 is the left friction shim in the left and right sides dead axle runner assembly of Figure 12 and the schematic perspective view of right friction shim.

Figure 20 is the scheme drawing of each elastomeric pad in the dead axle runner assembly of Figure 12.

Figure 21 is that the A-A of Figure 20 is to cutaway view.

Figure 22 is applied to the perspective exploded view of vehicle-carried video display device for rotating mechanism of the present invention.

Figure 23 is the schematic perspective view of Figure 22, and display screen component wherein is positioned at the position of opening downwards.

Figure 24 clockwise rotates 45 schematic perspective views when spending for the display screen component among Figure 23 around the axis of moving axis runner assembly.

Figure 25 continues to clockwise rotate 135 schematic perspective views when spending for the display screen component among Figure 24 around the axis of moving axis runner assembly.

Figure 26 be display screen component among Figure 25 around the axis of dead axle runner assembly by the whereabouts rotated position to the panel of closed position and the read-out schematic perspective view down the time.

The specific embodiment

(embodiment 1)

See Fig. 1 to Fig. 4, the rotating mechanism of present embodiment has pedestal 1, rotatable parts 4, corner frame 5 and read-out erecting frame 6; Corner frame 5 is fixed on the rear portion of pedestal 1 and is positioned at the top of pedestal 1, and rotatable parts 4 are fixed on the corner frame 5 and are positioned at the below of corner frame 5; Read-out erecting frame 6 is fixed on the rotatable parts 4.

See Fig. 5, pedestal 1 is the integrated through injection molding part.Be provided with the frid seat in the middle of the rear portion of pedestal 1, the left side of frid seat is that the right side of left side pedestal 1-1, frid seat is right side pedestal 1-5; The frid seat has the middle part plate body 1-3 in the middle of being positioned at, be positioned at the left part plate body 1-2 and the right part plate body 1-4 that is positioned at plate body 1-3 right side, middle part in plate body 1-3 left side, middle part, the top of the middle part plate body 1-3 of frid seat exceeds left side pedestal 1-1 and right side pedestal 1-5, the left part plate body 1-2 of frid seat is provided with the left gap 1-6 of the opening left that makes progress, and the lower space of the middle part plate body 1-3 of frid seat is connected with the upper space of the left side pedestal 1-1 at pedestal 1 rear portion, the right part plate body 1-4 of frid seat is provided with upwards the right gap 1-7 of opening to the right, and the lower space of the middle part plate body 1-3 of frid seat is connected with the upper space of the right side pedestal 1-5 at pedestal 1 rear portion.Be equipped with corner frame joint pin 1-8 on the left side pedestal 1-1 at pedestal 1 rear portion and the right side pedestal 1-5.

See Fig. 6, corner frame 5 is to be shaped as The steel integral type corner plate of shape.Corner frame 5 has left side frame plate 5-3, connection support body 5-4 and the right side frame plate 5-5 that links to each other successively.Be equipped with pedestal connecting bore 5-1 on left side frame plate 5-3 and the right side frame plate 5-5 and be connected screw 5-2 with rotatable parts.The outer panel section of the left side frame plate 5-3 of corner frame 5 is fixed on the joint pin 1-8 that is provided with up of rear portion left side pedestal 1-1 of pedestal 1, the outer panel section of the right side frame plate 5-5 of corner frame 5 is fixed on the joint pin 1-8 that is provided with up of right side, rear portion pedestal 1-5 of pedestal 1, and makes corner frame 5 be fixed on the rear portion of pedestal 1 and be positioned at the top of pedestal 1.The interior plate section of the left side frame plate 51 of corner frame 5 is positioned at the left gap 1-6 place at the rear portion of pedestal 1, and the interior plate section of the right side frame plate 53 of corner frame 5 is positioned at the right gap 1-7 place at the rear portion of pedestal 1.

See Fig. 7, read-out erecting frame 6 is steel integral pieces.Read-out erecting frame 6 has pressing plate 62 and links to each other with pressing plate 62 and perpendicular to the vertical connecting panel 61 of pressing plate 62.Vertical connecting panel 61 is provided with and connects screw 61-1 and medium pore 61-2.

See Fig. 8 and Fig. 9, rotatable parts 4 have link span 41, dead axle runner assembly and moving axis runner assembly 44.The dead axle runner assembly has left dead axle runner assembly 42 and right dead axle runner assembly 43 again.Link span 41 is the steel integral piece; Link span 41 be shaped as " U " shape, link span 41 has base plate 411 and the left side board 412 that links to each other with base plate 411, right side board 413.Link span 41 has resistance to be rotationally connected by its left side board 412 and left dead axle runner assembly 42, and link span 41 has resistance to be rotationally connected by its right side board 413 and right dead axle runner assembly 43; Moving axis runner assembly 44 is arranged on the base plate 411 of link span 41 and with link span 41 has resistance to be rotationally connected; The axis of left side dead axle runner assembly 42 and the axis of right dead axle runner assembly 43 are located on the same line, and this straight line is the axis 100 of dead axle runner assembly just, and the axis 100 of dead axle runner assembly is vertical mutually with the axis 200 of moving axis runner assembly.

See Figure 10 and Figure 11, have connecting through hole 412-1, the first spacing shoulder block 412-2 and the second spacing shoulder block 412-3 on the left side board 412 of link span 41.Angle a1 between the first spacing shoulder block 412-2 and the second spacing shoulder block 412-3 is the definite numerical value of 90 degree to the 150 degree scopes, and present embodiment is 120 degree, and other embodiment can be 90 degree, 100 degree, 110 degree, 130 degree, 140 degree or 150 degree.Have connecting through hole 413-1, the 3rd spacing shoulder block 413-2 and the 4th spacing shoulder block 413-3 on the right side board 413 of link span 41, angle a2 between the 3rd spacing shoulder block 413-2 and the 4th spacing shoulder block 413-3 is identical with the angle between the second spacing shoulder block 412-3 with the first spacing shoulder block 412-2 of left side board 412, and their residing positions are also corresponding; Have connecting through hole 411-1 and positive stop 411-3 on the base plate 411; Connecting through hole 412-1 on the left side board 412 of link span 41 and the axis of the connecting through hole 413-1 on the right side board 413 are on same straight line, this straight line also is the axis 100 of dead axle runner assembly, the axis of the connecting through hole 411-1 on the base plate 411 then be with left side board 412 and right side board 413 on the axis 200 of the perpendicular moving axis runner assembly 44 of the axis of connecting through hole.

See Fig. 8, Fig. 9, Figure 12 and Figure 13, left dead axle runner assembly 42 has left Connection Block 421, left limit catch 422, left friction shim 423, left first elastomeric pad 424, left second elastomeric pad 425, a left side the 3rd elastomeric pad 426, left setting up piece 427 and left fastening nut 428.The left Connection Block 421 of left side dead axle runner assembly 42 has captive joint section 421-1, the section of the stopping 421-2 that links to each other successively and the resistance section of being rotationally connected 421-3 is arranged; Captive joint section 421-1 is provided with through hole, have the resistance section of being rotationally connected 421-3 the cross section be shaped as oval shape, there be outer section of the resistance section of being rotationally connected 421-3 to be spiro rod section, it is the polished rod section that the inner segment of the resistance section of being rotationally connected 421-3 is arranged, and the connecting through hole 412-1 on the left side board 412 of the external diameter of this polished rod section and link span 41 matches, and the external diameter of the section of stopping 421-2 is greater than the external diameter that the resistance section of being rotationally connected 421-3 is arranged.Left limit catch 422 comprises clout body 422-1 and block 422-2, and clout body 422-1 center has the oval shape through hole that has the resistance section of being rotationally connected 421-3 to match with left Connection Block 421.

See Figure 20 and Figure 21, left first elastomeric pad 424, left second elastomeric pad 425, a left side the 3rd elastomeric pad 426 shapes are identical and be bipyramid surface elastic packing ring.

Still see Fig. 8, Fig. 9, Figure 12 and Figure 13, the external diameter of left friction shim 423, left first elastomeric pad 424, left second elastomeric pad 425, a left side the 3rd elastomeric pad 426, left setting up piece 427 is identical with the baffle element 421-2 external diameter of left Connection Block 421; The center of a left side first elastomeric pad 424, left second elastomeric pad 425, a left side the 3rd elastomeric pad 426 all has the manhole that has the resistance section of being rotationally connected 421-3 to match with left Connection Block 421; The center of left side friction shim 423, left setting up piece 427 all has the oval shape through hole that has the resistance section of being rotationally connected 421-3 to match with left Connection Block 421.

See Figure 18, left limit catch 422 be provided with definite number in 8 to 16 scope be used to store groove 422-3 that lubricating oil is used, that be evenly distributed, present embodiment is 12, other embodiment can be 8 or 16.

See Figure 19, left side friction shim 423 is identical with the shape of left setting up piece 427, be equipped with definite number in 8 to 16 scope be used to store groove 423-1 that lubricating oil is used, that be evenly distributed, present embodiment is 12, other embodiment can be 8 or 16.

Still see Fig. 8, Fig. 9, Figure 12 and Figure 13, left Connection Block 421, left limit catch 422, left friction shim 423, left first elastomeric pad 424, left second elastomeric pad 425, a left side the 3rd elastomeric pad 426, left setting up piece 427 and left fastening nut 428 are the steel integral piece.The left side board 412 of left limit catch 422, link span 41, left friction shim 423, left first elastomeric pad 424, left second elastomeric pad 425, a left side the 3rd elastomeric pad 426, left setting up piece 427 are enclosed within having on the resistance section of the being rotationally connected 421-3 of left Connection Block 421 by separately centre hole successively, left limit catch 422 is contacted with the outside of the left side board 412 of connecting panel 41, and the block 422-2 of left limit catch 422 is between the first spacing shoulder block 412-2 and the second spacing shoulder block 412-3 on the left side board 412 of link span 41; Left side friction shim 423 contacts with the inboard of the left side board 412 of link span 41, and elasticity is fastening in the axial direction by left fastening nut 428, thereby the resistance that has that has formed between left dead axle runner assembly 42 and the link span 41 is rotationally connected.

Still see Fig. 8, Fig. 9, Figure 12 and Figure 13, right dead axle runner assembly 43 has right Connection Block 431, right limit catch 432, right friction shim 433, right first elastomeric pad 434, right second elastomeric pad 435, right the 3rd elastomeric pad 436, right setting up piece 437 and right fastening nut 438.The right Connection Block 431 of right dead axle runner assembly 43 has captive joint section 431-1, the section of the stopping 431-2 that links to each other successively and the resistance section of being rotationally connected 431-3 is arranged; Captive joint section 431-1 is provided with through hole, have the resistance section of being rotationally connected 431-3 the cross section be shaped as oval shape, there be outer section of the resistance section of being rotationally connected 431-3 to be spiro rod section, it is the polished rod section that the inner segment of the resistance section of being rotationally connected 431-3 is arranged, and the connecting through hole 413-1 on the right side board 413 of the external diameter of this polished rod section and link span 41 matches, and the external diameter of the section of stopping 431-2 is greater than the external diameter that the resistance section of being rotationally connected 431-3 is arranged.Right limit catch 432 comprises clout body 432-1 and block 432-2, and clout body 432-1 center has the oval shape through hole that has the resistance section of being rotationally connected 431-3 to match with right Connection Block 431.

See Figure 20 and Figure 21, right first elastomeric pad 434, right second elastomeric pad 435, right the 3rd elastomeric pad 436 shapes are identical and be bipyramid surface elastic packing ring.

Still see Fig. 8, Fig. 9, Figure 12 and Figure 13, the external diameter of right friction shim 433, right first elastomeric pad 434, right second elastomeric pad 435, right the 3rd elastomeric pad 436, right setting up piece 437 is identical with the baffle element 431-2 external diameter of right Connection Block 431; The center of right first elastomeric pad 434, right second elastomeric pad 435, right the 3rd elastomeric pad 436 all has the manhole that has the resistance section of being rotationally connected 431-3 to match with right Connection Block 431; The center of right friction shim 433, right setting up piece 437 all has the oval shape through hole that has the resistance section of being rotationally connected 431-3 to match with right Connection Block 431.

See Figure 18, right limit catch 432 be provided with definite number in 8 to 16 scope be used to store groove 432-3 that lubricating oil is used, that be evenly distributed, present embodiment is 12, other embodiment can be 8 or 16.

See Figure 19, right friction shim 433 is identical with the shape of right setting up piece 437, be equipped with definite number in 8 to 16 scope be used to store groove 433-1 that lubricating oil is used, that be evenly distributed, present embodiment is 12, other embodiment can be 8 or 16.

Still see Fig. 8, Fig. 9, Figure 12 and Figure 13, right Connection Block 431, right limit catch 432, right friction shim 433, right first elastomeric pad 434, right second elastomeric pad 435, right the 3rd elastomeric pad 436, right setting up piece 437 and right fastening nut 438 are the steel integral piece.The right side board 413 of right limit catch 432, link span 41, right friction shim 433, right first elastomeric pad 434, right second elastomeric pad 435, right the 3rd elastomeric pad 436, right setting up piece 437 are enclosed within having on the resistance section of the being rotationally connected 431-3 of right Connection Block 431 by separately centre hole successively, right limit catch 432 is contacted with the outside of the right side board 413 of connecting panel 41, and the block 432-2 of right limit catch 432 is between the 3rd spacing shoulder block 413-2 and the 4th spacing shoulder block 413-3 on the right side board 413 of link span 41; Right friction lining 433 contacts with the inboard of the right side board 413 of link span 41, and elasticity is fastening in the axial direction by right fastening nut 438, thereby the resistance that has that has formed between right dead axle runner assembly 43 and the link span 41 is rotationally connected.

See Fig. 3 and Fig. 4, the left Connection Block 421 of left side dead axle runner assembly 42 is fixedly connected on by its captive joint section 421-1 on the interior plate section of left side frame plate 5-3 of corner frame 5, and the right Connection Block 431 of right dead axle runner assembly 43 is fixedly connected on by its captive joint section 431-1 on the interior plate section of right side frame plate 5-5 of corner frame 5.

See Figure 14 and Figure 15, moving axis runner assembly 44 has swivel 441, spacing shim 442, friction shim 443, dust boot 444, locating shim 445, first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448, connects pad 449, connecting arm plate 450 and fixed plate 451 they be the steel integral piece.

Still see Figure 14 and Figure 15, swivel 441 has the medium pore 441-5 of up/down perforation.Swivel 441 has bonded assembly blocking seat 441-1, major connector 441-2 and tang 441-3 successively, the top of major connector 441-2 is connected with blocking seat 441-1, being shaped as of the cross section of major connector 441-2 is arc, the diameter of its circular arc portion is less than the external diameter of blocking seat 441-1, the bottom of major connector 441-2 is provided with tapped bore 441-4, and tang 441-3 is positioned in the middle of the bottom of major connector 441-2.

See Figure 16, the outside of spacing shim 442 is provided with front limit shoulder block 442-1 and the spacing shoulder block 442-2 in back, angle a3 between the two spacing shoulder blocks is the definite numerical value of 180 degree to the 270 degree scopes, present embodiment is 210 degree, other embodiment can be 180 degree, 200 degree, 210 degree, 230 degree, 250 degree or 270 degree.Spacing shim 442 be provided with definite number in 8 to 16 scope be used to store pit 442-3 that lubricating oil is used, that be evenly distributed, present embodiment is 12, other embodiment can be 8 or 16.

Still see Figure 14 and Figure 15, spacing shim 442, friction shim 443 and locating shim 445 centers all have the arc through hole that the major connector 441-2 with swivel 441 matches.The shape of first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448 is identical and be bipyramid surface elastic packing ring, and the external diameter of the internal diameter of first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448 and the major connector 441-2 of swivel 441 matches.The center that connects pad 449 has the arc through hole that the major connector 441-2 with swivel 441 matches, and connects pad 449 and also is provided with a connecting bore 449-1.

Still see Figure 14 and Figure 15, connecting arm plate 450 centers are provided with the manhole that the tang 441-3 external diameter with swivel 441 matches, connecting arm plate 450 be positioned at manhole around plate body on have the corresponding connecting bore 450-2 of tapped bore 441-4 with the major connector 441-2 top of swivel 441, the one side of connecting arm plate 450 be provided be connected pad 449 on the stud bump 450-1 that matches of connecting bore 449-1, also be provided with pressing plate connecting bore 450-3 on the connecting arm plate 450.

Still see Figure 14 and Figure 15, fixed plate 451 be provided with manhole that the tang 441-3 external diameter with swivel 441 matches and with the corresponding connecting bore 451-1 of tapped bore 441-4 at the major connector 441-2 top of swivel 441.

Still see Figure 14 and Figure 15, the external diameter of locating shim 445, first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448, connection pad 449 is identical; Dust boot 444 is circular body, its internal diameter greater than locating shim 445, first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448, connect the external diameter of pad 449, its height less than locating shim 445, first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448, connect the thickness that pad 449 stacks.

See Figure 17, friction shim 443 be provided with definite number in 8 to 16 scope be used to store through hole 443-1 that lubricating oil is used, that be evenly distributed, present embodiment is 12, other embodiment can be 8 or 16.

Still see Figure 14 and Figure 15, with spacing shim 442, the base plate 411 of friction shim 443 and link span 41 is enclosed within on the major connector 441-2 of swivel 441, friction shim 443 is contacted with base plate 411 inboards of link span 41, block 411-3 on the base plate 411 of link span 41 places between the front limit shoulder block 442-1 and the spacing shoulder block 442-2 in back of spacing shim 442, again with dust boot 444, locating shim 445, first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448, connect pad 449 and be enclosed within on the major connector 441-2 of swivel 441 first elastomeric pad 446 successively, second elastomeric pad 447, the 3rd elastomeric pad 448 is enclosed within respectively on the major connector 441-2 of swivel 441 in opposite directions; Locating shim 445, first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448 and the thickness that is connected pad 449 stack stretch out the height in attaching parts 41 bases 411 outsides greater than swivel 441; Connecting arm plate 450, setting up piece 451 are enclosed within on the tang 441-3 of swivel 441 successively, the cylindrical projections 450-1 of connecting arm plate 450 stretches among the connecting bore 449-1 that connects pad 449 again; Pass manhole 450-1 and the manhole 451-1 on the connecting arm plate 450 on the fixed plate 451 successively and be tightened among the screw 441-4 on the major connector 441-2 of swivel 441 by screw, first elastomeric pad 446, second elastomeric pad 447, the 3rd elastomeric pad 448 produce distortion because of stressed, make locating shim 445 and base plate 411 outsides, the friction shim 443 of link span 41 the resistance friction be arranged, be formed with resistance and be rotationally connected with base plate 411 inboard generations of link span 41.

Still see Fig. 3 and Fig. 4, the vertical connecting panel 61 of read-out erecting frame 6 is captiveed joint with the connecting arm plate 450 of moving axis runner assembly 44, and read-out erecting frame 6 is fixed on the rotatable parts 4.

See Fig. 8 to Figure 11, Figure 14 and Fig. 15, the base plate 411 of link span 41 is provided with two groove 411-2 with respect to connecting through hole 411-1 axle center symmetry, and the angle between two groove 411-2 is 180 degree; The one side of the locating shim 445 of moving axis runner assembly 44 is provided with two prominent bubble 445-1 with respect to locating shim 445 axle center symmetries, and two prominent angles that steep between the 445-1 are 180 degree; Distance between two groove 411-2 on distance between two prominent bubble 445-1 and the base plate 411 of link span 41 equates.When read-out erecting frame 6 is in closure state shown in Figure 2 or shown in Figure 22 when falling initial condition, prominent bubble 445-1 just in time falls into groove 411-2, when read-out erecting frame 6 during by falling initial condition moving axle runner assembly axis 200 and rotate shown in Figure 22, the prominent bubble 445-1 of locating shim 445 moves relative to the groove 411-2 of the base plate 411 of link span 41, breaks away from groove 411-2 and is pressed on the plate face of base plate 411 of link span 41; When read-out erecting frame 6 moving axle runner assembly axis 200 rotate 180 when spending by falling initial condition, prominent bubble 445-1 just in time falls into the groove 411-2 of the base plate 411 of link span 41 again.

See Figure 22, when the rotating mechanism with present embodiment is applied to vehicle-carried video display device, the read-out protecgulum 71 and the read-out bonnet 72 of display screen component 7 can be fixed on the read-out erecting frame 6 by screw; The front cover shell 81 of rotatable parts case 8 and rear casing 82 are fixed together by screw and rotatable parts 4 are covered on wherein, other relevant parts are installed are again then obtained vehicle-carried video display device shown in Figure 23.Display screen component 7 in the vehicle-carried video display device of this moment is in and falls initial condition, display screen component 7 is clockwise rotated around the axis 200 of moving axis runner assembly, also can allow display screen component 7 rotate around the axis 100 of dead axle runner assembly simultaneously, spectators watch the required broadcast angle of video frequency program in turning to car.Figure 23 to Figure 26 has provided the state of different play position.

(embodiment 2)

Be equipped with 8 on the right limit catch 432 of the left limit catch 422 of the left dead axle runner assembly 42 of the rotating mechanism of described on-ceiling vedio display on board, left friction shim 423, left setting up piece 427, right dead axle runner assembly 43, right friction shim 433, the right setting up piece 437 and be used to store groove that lubricating oil is used, that be evenly distributed.

The spacing shim 442 of moving axis runner assembly 44 is provided with 8 and is used to store pit that lubricating oil is used, that be evenly distributed; Friction shim 443 is provided with 8 and is used to store through hole that lubricating oil is used, that be evenly distributed.

All the other structures are identical with embodiment 1, no longer repeat herein.

(embodiment 3)

Be equipped with 16 on the right limit catch 432 of the left limit catch 422 of the left dead axle runner assembly 42 of the rotating mechanism of described on-ceiling vedio display on board, left friction shim 423, left setting up piece 427, right dead axle runner assembly 43, right friction shim 433, the right setting up piece 437 and be used to store groove that lubricating oil is used, that be evenly distributed.

The spacing shim 442 of moving axis runner assembly 44 is provided with 16 and is used to store pit that lubricating oil is used, that be evenly distributed; Friction shim 443 is provided with 16 and is used to store through hole that lubricating oil is used, that be evenly distributed.

Claims

1, a kind of rotating mechanism of on-ceiling vedio display on board has pedestal (1), rotatable parts (4) and read-out erecting frame (6); Read-out erecting frame (6) is fixed on the rotatable parts (4); It is characterized in that: this rotating mechanism also has corner frame (5); Corner frame (5) is fixed on the rear portion of pedestal (1) and is positioned at the top of pedestal (1), and rotatable parts (4) are fixed on the below that corner frame (5) were gone up and be positioned to corner frame (5); Rotatable parts (4) have link span (41), dead axle runner assembly and moving axis runner assembly (44), and the dead axle runner assembly has left dead axle runner assembly (42) and right dead axle runner assembly (43) again; Left side dead axle runner assembly (42) has left Connection Block (421), and right dead axle runner assembly (43) has right Connection Block (431); Link span (41) is an integral piece, link span (41) be shaped as " U " shape, link span (41) has base plate (411) and the left side board (412) that links to each other with base plate (411), right side board (413); Link span (41) has resistance to be rotationally connected by its left side board (412) and left dead axle runner assembly (42), and link span (41) has resistance to be rotationally connected by its right side board (413) and right dead axle runner assembly (43); Moving axis runner assembly (44) has connecting arm plate (450); The base plate (411) that moving axis runner assembly (44) is arranged on link span (41) upward and with link span (41) has resistance to be rotationally connected; Read-out erecting frame (6) is an integral piece, and read-out erecting frame (6) has pressing plate (62) and links to each other with pressing plate (62) and perpendicular to the vertical connecting panel (61) of pressing plate (62); The vertical connecting panel (61) of read-out erecting frame (6) is captiveed joint with the connecting arm plate (450) of moving axis runner assembly (44), and read-out erecting frame (6) is fixed on the rotatable parts (4); The left Connection Block (421) of left side dead axle runner assembly (42) and the right Connection Block (431) of right dead axle runner assembly (43) are all captiveed joint with corner frame (5), and rotatable parts (4) are fixed on the corner frame (5); The axis of left side dead axle runner assembly (42) and the axis of right dead axle runner assembly (43) are located on the same line, this straight line is the axis of dead axle runner assembly (100) just, and the axis of dead axle runner assembly (100) is vertical mutually with the axis (200) of moving axis runner assembly.

2, the rotating mechanism of video display devices according to claim 1, it is characterized in that: have connecting through hole (412-1), the first spacing shoulder block (412-2) and the second spacing shoulder block (412-3) on the left side board (412) of link span (41), the angle between the first spacing shoulder block (412-2) and the second spacing shoulder block (412-3) is that 90 degree are to 150 degree; Have connecting through hole (413-1), the 3rd spacing shoulder block (413-2) and the 4th spacing shoulder block (413-3) on the right side board (413) of link span (41), the angle between the 3rd spacing shoulder block (413-2) and the 4th spacing shoulder block (413-3) is identical with the angle between the second spacing shoulder block (412-3) with the first spacing shoulder block (412-2) of left side board (412); Have connecting through hole (411-1) and positive stop (411-3) on the base plate (411); The connecting through hole (412-1) on the left side board (412) of link span (41) and the axis of the connecting through hole (413-1) on the right side board (413) are on same straight line, this straight line also is the axis (100) of dead axle runner assembly, the axis of the connecting through hole (411-1) on the base plate (411) then be with left side board (412) and right side board (413) on the axis (200) of the perpendicular moving axis runner assembly (44) of the axis of connecting through hole.

3, the rotating mechanism of video display devices according to claim 2 is characterized in that: left dead axle runner assembly (42) also has left limit catch (422), left friction shim (423), left first elastomeric pad (424), left second elastomeric pad (425), a left side the 3rd elastomeric pad (426), left setting up piece (427) and left fastening nut (428); The left Connection Block (421) of left side dead axle runner assembly (42) has the captive joint section (421-1) that links to each other successively, the section of stopping (421-2) and have the resistance section of being rotationally connected (421-3), captive joint section (421-1) is provided with through hole, have the resistance section of being rotationally connected (421-3) the cross section be shaped as oval shape, there be outer section of the resistance section of being rotationally connected (421-3) to be spiro rod section, it is the polished rod section that the inner segment of the resistance section of being rotationally connected (421-3) is arranged, and the connecting through hole (412-1) on the left side board (412) of the external diameter of this polished rod section and link span (41) matches, and the external diameter of the section of stopping (421-2) is greater than the external diameter that the resistance section of being rotationally connected (421-3) is arranged; Left limit catch (422) comprises clout body (422-1) and block (422-2), and clout body (422-1) center has the oval shape through hole that has the resistance section of being rotationally connected (421-3) to match with left Connection Block (421); A left side first elastomeric pad (424), left second elastomeric pad (425), a left side the 3rd elastomeric pad (426) shape are identical; Left side friction shim (423), a left side first elastomeric pad (424), a left side second elastomeric pad (425), a left side the 3rd elastomeric pad (426), the external diameter of left side setting up piece (427) is identical with baffle element (421-2) external diameter of left Connection Block (421), a left side first elastomeric pad (424), a left side second elastomeric pad (425), the center of a left side the 3rd elastomeric pad (426) all has the manhole that has the resistance section of being rotationally connected (421-3) to match with left Connection Block (421), left friction shim (423), the center of left side setting up piece (427) all has the oval shape through hole that has the resistance section of being rotationally connected (421-3) to match with left Connection Block (421); Left side Connection Block (421), left limit catch (422), left side friction shim (423), a left side first elastomeric pad (424), a left side second elastomeric pad (425), a left side the 3rd elastomeric pad (426), left side setting up piece (427) and left fastening nut (428) are integral piece, left limit catch (422), the left side board (412) of link span (41), left side friction shim (423), a left side first elastomeric pad (424), a left side second elastomeric pad (425), a left side the 3rd elastomeric pad (426), left side setting up piece (427) is enclosed within having on the resistance section of being rotationally connected (421-3) of left Connection Block (421) by separately centre hole successively, left limit catch (422) is contacted with the outside of the left side board (412) of connecting panel (41), and the block (422-2) of left limit catch (422) is positioned between the first spacing shoulder block (412-2) and the second spacing shoulder block (412-3) on the left side board (412) of link span (41); Left side friction shim (423) contacts with the inboard of the left side board (412) of link span (41), and elasticity is fastening in the axial direction by left fastening nut (428), thereby the resistance that has that has formed between left dead axle runner assembly (42) and the link span (41) is rotationally connected; Right dead axle runner assembly (43) also has right limit catch (432), right friction shim (433), right first elastomeric pad (434), right second elastomeric pad (435), right the 3rd elastomeric pad (436), right setting up piece (437) and right fastening nut (438); The right Connection Block (431) of right dead axle runner assembly (43) has the captive joint section (431-1) that links to each other successively, the section of stopping (431-2) and have the resistance section of being rotationally connected (431-3), captive joint section (431-1) is provided with through hole, have the resistance section of being rotationally connected (431-3) the cross section be shaped as oval shape, there be outer section of the resistance section of being rotationally connected (431-3) to be spiro rod section, it is the polished rod section that the inner segment of the resistance section of being rotationally connected (431-3) is arranged, and the connecting through hole (413-1) on the right side board (413) of the external diameter of this polished rod section and link span (41) matches, and the external diameter of the section of stopping (431-2) is greater than the external diameter that the resistance section of being rotationally connected (431-3) is arranged; Right limit catch (432) comprises clout body (432-1) and block (432-2), and clout body (432-1) center has the oval shape through hole that has the resistance section of being rotationally connected (431-3) to match with right Connection Block (431); Right first elastomeric pad (434), right second elastomeric pad (435), right the 3rd elastomeric pad (436) shape are identical; Right friction shim (433), right first elastomeric pad (434), right second elastomeric pad (435), right the 3rd elastomeric pad (436), the external diameter of right setting up piece (437) is identical with baffle element (431-2) external diameter of right Connection Block (431), right first elastomeric pad (434), right second elastomeric pad (435), the center of right the 3rd elastomeric pad (436) all has the manhole that has the resistance section of being rotationally connected (431-3) to match with right Connection Block (431), right friction shim (433), the center of right setting up piece (437) all has the oval shape through hole that has the resistance section of being rotationally connected (431-3) to match with right Connection Block (431); Right Connection Block (431), right limit catch (432), right friction shim (433), right first elastomeric pad (434), right second elastomeric pad (435), right the 3rd elastomeric pad (436), right setting up piece (437) and right fastening nut (438) are integral piece, right limit catch (432), the right side board (413) of link span (41), right friction shim (433), right first elastomeric pad (434), right second elastomeric pad (435), right the 3rd elastomeric pad (436), right setting up piece (437) is enclosed within having on the resistance section of being rotationally connected (431-3) of right Connection Block (431) by separately centre hole successively, right limit catch (432) is contacted with the outside of the right side board (413) of connecting panel (41), and the block (432-2) of right limit catch (432) is positioned between the 3rd spacing shoulder block (413-2) and the 4th spacing shoulder block (413-3) on the right side board (413) of link span (41); Right friction lining (433) contacts with the inboard of the right side board (413) of link span (41), and elasticity is fastening in the axial direction by right fastening nut (438), thereby the resistance that has that has formed between right dead axle runner assembly (43) and the link span (41) is rotationally connected.

4, the rotating mechanism of video display devices according to claim 3 is characterized in that: a left side first elastomeric pad (424) of left dead axle runner assembly (42), left second elastomeric pad (425), a left side the 3rd elastomeric pad (426), the right side first elastomeric pad (434) of right dead axle runner assembly (43), right second elastomeric pad (435), right the 3rd elastomeric pad (436) are bipyramid surface elastic packing ring; Be equipped with 8 to 16 on the left limit catch (422) of left side dead axle runner assembly (42), left friction shim (423), left setting up piece (427), the right limit catch (432) of right dead axle runner assembly (43), right friction shim (433), the right setting up piece (437) and be used to store groove that lubricating oil is used, that be evenly distributed.

5, the rotating mechanism of video display devices according to claim 2 is characterized in that: moving axis runner assembly (44) has swivel (441), spacing shim (442), friction shim (443), dust boot (444), locating shim (445), first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448), connects pad (449), connecting arm plate (450) and fixed plate (451); Wherein swivel (441) has bonded assembly blocking seat (441-1), major connector (441-2) and tang (441-3) successively, the top of major connector (441-2) is connected with blocking seat (441-1), being shaped as of the cross section of major connector (441-2) is arc, the diameter of its circular arc portion is less than the external diameter of blocking seat (441-1), the bottom of major connector (441-2) is provided with tapped bore (441-4), and tang (441-3) is positioned in the middle of the bottom of major connector (441-2); The outside of spacing shim (442) is provided with front limit shoulder block (442-1) and back spacing shoulder block (442-2), and the angle between the two spacing shoulder blocks is that 180 degree are to 270 degree; Spacing shim (442), friction shim (443) and locating shim (445) center all have the arc through hole that the major connector (441-2) with swivel (441) matches; The shape of first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448) is identical, and the external diameter of the internal diameter of first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448) and the major connector (441-2) of swivel (441) matches; The center that connects pad (449) has the arc through hole that the major connector (441-2) with swivel (441) matches, and connects pad (449) and also is provided with a connecting bore (449-1); Connecting arm plate (450) center is provided with the manhole that tang (441-3) external diameter with swivel (441) matches, connecting arm plate (450) be positioned at manhole around plate body on have the corresponding connecting bore of tapped bore (441-4) (450-2) with major connector (441-2) top of swivel (441), the one side of connecting arm plate (450) be provided be connected pad (449) on the stud bump (450-1) that matches of connecting bore (449-1), also be provided with pressing plate connecting bore (450-3) on the connecting arm plate (450); Fixed plate (451) be provided with manhole that tang (441-3) external diameter with swivel (441) matches and with the corresponding connecting bore of tapped bore (441-4) (451-1) at major connector (441-2) top of swivel (441); The external diameter of locating shim (445), first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448), connection pad (449) is identical; Dust boot (444) is circular body, its internal diameter greater than locating shim (445), first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448), connect the external diameter of pad (449), its height less than locating shim (445), first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448), connect the thickness that pad (449) stacks; Spacing shim (442), friction shim (443), dust boot (444), locating shim (445), first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448), connection pad (449), connecting arm plate (450) and fixed plate (451) are integral piece; With spacing shim (442), the base plate (411) of friction shim (443) and link span (41) is enclosed within on the major connector (441-2) of swivel (441), friction shim (443) is contacted with base plate (411) inboard of link span (41), block (411-3) on the base plate (411) of link span (41) places between the front limit shoulder block (442-1) and the spacing shoulder block in back (442-2) of spacing shim (442), again with dust boot (444), locating shim (445), first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448), connect pad (449) and be enclosed within on the major connector (441-2) of swivel (441) first elastomeric pad (446) successively, second elastomeric pad (447), the 3rd elastomeric pad (448) is enclosed within respectively on the major connector (441-2) of swivel (441) in opposite directions; Locating shim (445), first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448) and the thickness that is connected pad (449) stack stretch out the height in attaching parts (41) base (411) outside greater than swivel (441); Connecting arm plate (450), setting up piece (451) are enclosed within on the tang (441-3) of swivel (441) successively, the cylindrical projections (450-1) of connecting arm plate (450) stretches in the connecting bore (449-1) that connects pad (449) again; Pass manhole (450-1) and the manhole (451-1) on the connecting arm plate (450) on the fixed plate (451) successively and be tightened in the screw (441-4) on the major connector (441-2) of swivel (441) by screw, first elastomeric pad (446), second elastomeric pad (447), the 3rd elastomeric pad (448) produce distortion because of stressed, make locating shim (445) and base plate (411) outside, the friction shim (443) of link span (41) the resistance friction be arranged, be formed with resistance and be rotationally connected with inboard generation of the base plate (411) of link span (41).

6, the rotating mechanism of video display devices according to claim 4, it is characterized in that: the base plate (411) of link span (41) is provided with two grooves (411-2) with respect to connecting through hole (411-1) axle center symmetry, and the angle between two grooves (411-2) is 180 degree; The one side of the locating shim (445) of moving axis runner assembly (44) is provided with two the prominent bubbles (445-1) with respect to locating shim (445) axle center symmetry, and the angle between two prominent bubbles (445-1) is 180 degree; Distance between two grooves (411-2) on distance between two prominent bubbles (445-1) and the base plate (411) of link span (41) equates; When moving axis runner assembly (44) rotates with respect to link span (41), the prominent bubble (445-1) of spacer (445) can fall into link span (41) base plate (411) groove (411-2) or be pressed on the plate face of base plate (411) of link span (41).

7, the rotating mechanism of video display devices according to claim 4 is characterized in that: first elastomeric pad (446) of moving axis runner assembly (44), second elastomeric pad (447), the 3rd elastomeric pad (448) are bipyramid surface elastic packing ring; The spacing shim (442) of moving axis runner assembly (44) is provided with 8 to 16 and is used to store pit that lubricating oil is used, that be evenly distributed; Friction shim (443) is provided with 8 to 16 and is used to store through hole that lubricating oil is used, that be evenly distributed.

8, the rotating mechanism of video display devices according to claim 4 is characterized in that: the swivel (441) of moving axis runner assembly (44) has the medium pore (441-5) of up/down perforation.

9, rotating mechanism according to the described video display devices of one of claim 1 to 8, it is characterized in that: corner frame (5) is the corner plate that is shaped as "  " shape of integral type, corner frame (5) has the left side frame plate (5-3) that links to each other successively, connect support body (5-4) and right side frame plate (5-5), the outer panel section of the left side frame plate (5-3) of corner frame (5) is fixed on the joint pin (1-8) that is provided with up of rear portion left side pedestal (1-1) of pedestal (1), the outer panel section of the right side frame plate (5-5) of corner frame (5) is fixed on the joint pin (1-8) that is provided with up of right side, rear portion pedestal (1-5) of pedestal (1), and makes corner frame (5) be fixed on the rear portion of pedestal (1) and be positioned at the top of pedestal (1); The left Connection Block (421) of left side dead axle runner assembly (42) is fixedly connected on the interior plate section of left side frame plate (5-3) of corner frame (5), and the right Connection Block (431) of right dead axle runner assembly (43) is fixedly connected on the interior plate section of right side frame plate (5-5) of corner frame (5).

10, the rotating mechanism of video display devices according to claim 9 is characterized in that: middle being provided with in the rear portion of pedestal (1) is positioned at left side pedestal (1-1) and the middle frid seat of right side pedestal (1-5); The frid seat has the middle part plate body (1-3) in the middle of being positioned at, be positioned at the left part plate body (1-2) in middle part plate body (1-3) left side and be positioned in the middle part of the right part plate body (1-4) on plate body (1-3) right side, the top of the middle part plate body (1-3) of frid seat exceeds left side pedestal (1-1) and right side pedestal (1-5), the left part plate body (1-2) of frid seat is provided with the left gap (1-6) of the opening left that makes progress, and the lower space of the middle part plate body (1-3) of frid seat is connected with the upper space of the left side pedestal (1-1) at pedestal (1) rear portion, the right part plate body (1-4) of frid seat is provided with upwards the right gap (1-7) of opening to the right, and the lower space of the middle part plate body (1-3) of frid seat is connected with the upper space of the right side pedestal (1-5) at pedestal (1) rear portion; The interior plate section of the left side frame plate (51) of corner frame (5) is positioned at the left gap (1-6) at the rear portion of pedestal (1) to be located, and the interior plate section of the right side frame plate (53) of corner frame (5) is positioned at the right opening position (1-7) at the rear portion of pedestal (1).