CN103300599A - Table system - Google Patents

Abstract

The invention provides a table system, which can obtain multiple table frames setting by various combinations of basic members. The height-adjustable table legs includes two parallel and transverse narrow slots which are suitable for containing and tightly clamping two independent frame members. In many configurations, the frame members can be bended or form angles so as to form different shapes needed by the table frame. Each frame member is provided with a hole, and a fastening member passing through the hole can connect two frame members by a right angle connection.

Description

Desking system

Technical field

The present invention relates generally to desk, more specifically, relate to the desking system with the desktop that is supported by table leg and desk framework (table frame), wherein this desk framework has at least one lateral struts or vertical pillar.

Background technology

Desk, for example Denier Ke cloth (Daniel Korb) are that disclosed desk has been designed be used to supporting the independently framing component of table top in the european patent application of EP0669092 at document number.Be in the european patent application of EP0669092 at document number, the design framework structure is for can be configured to multiple combination, in order to use frame assembly in multiple situation.Yet document number is that the framework in the european patent application of EP0669092 is the multiaspect table structure with high stability, its desk framework cross-bridges is complete entity structure, therefore many materials all design to get waste, and the design of whole like this desk has relative complex and heavy structure.

Denier Ke cloth has showed that another has the desk of framing component and cross-bridges in document number is the european patent application of DE19725045.Framing component has and is roughly circular cross section, and provides support for cross-bridges.Cross-bridges is provided with for the end-claw-like that is connected with framing component (end-claw-like) terminal member.Specific cross-bridges and framing component are for specific desk designs, and the cost that specific desk design causes producing in batches this desk is higher.

Summary of the invention

The invention provides a kind of desking system, in this desking system, can obtain with the various combinations of base configuration piece the setting of multiple desk framework.Height-adjustable table leg comprises the slit of two parallel and horizontal (horizontal), and it is applicable to hold and clamps two independently framing components.In various configurations, framing component is flexible or can be angled, to realize the required shape of desk framework.Each parts of framing component also can be provided with perforate, and the securing member that passes this perforate can connect two framing components in the right angle.

Description of drawings

Fig. 1 is the lower view with desking system of framework and several desktops;

Fig. 2 is another lower view of system among Fig. 1 when observing from the side;

Fig. 3 is the top view of system among Fig. 1;

Fig. 4 is the sectional view of framing component;

Fig. 5 is the partial cross section figure of clamp mechanism;

Fig. 6 is the sectional view of frame space spare (frame spacer);

Fig. 7 a is the sectional view of clamp mechanism and two framing components;

Fig. 7 b is the decomposed sectional view that is fixed to two clamp mechanism on the framing component;

Fig. 7 c is the sectional view of clamp mechanism and two framing components;

Fig. 8 a is the sectional view of framing component, clamp mechanism and frame space spare;

Fig. 8 b is two framing components being separated by frame space spare and the sectional view of two clamp mechanism

Fig. 9 a is the clamp mechanism of uncoated and the sectional view of framing component;

Fig. 9 b is the sectional view of the framing component of the clamp mechanism of powder coating and powder coating;

Figure 10 a is the perspective view with the table leg that is fixed to the clamp mechanism on the single framing component;

Figure 10 b is the bottom perspective view with the table leg that is fixed to two clamp mechanism on the framing component;

Figure 10 c is the side perspective view with the table leg that is fixed to two clamp mechanism on the framing component;

Figure 10 d is the top perspective with the table leg that is fixed to the clamp mechanism on the single framing component;

Figure 10 e is the side view that is fixed to the table leg on the transverse frame member;

Figure 10 f is the side view with the table leg that is fixed to the clamp mechanism on the single framing component;

Figure 11 a is the top view of clamping component, and this clamping component has two parallel slot and is fixed on the framing component of two bendings, and the framing component of two bendings extends away from clamp mechanism and away from each other;

Figure 11 b is the top perspective of clamping component, this clamping component have two parallel slot and be fixed to the line style transverse frame member and crooked transverse frame member on, wherein the curved frames member is parallel with the linear frame frame member at the clamp mechanism place, and the curved frames member is vertical with the linear frame frame member away from the clamp mechanism place;

Figure 11 c is the top perspective of clamping component, this clamping component have two parallel slot and be fixed to the line style transverse frame member and crooked transverse frame member on;

Figure 12 a is the sectional view that adopts two framing components that two securing members are fixed together under arranged perpendicular;

Figure 12 b is the top view of two parallel frame frame members and the 3rd framing component, and one of them of the 3rd framing component and parallel frame frame member is vertical fixing;

Figure 12 c is the front top view that is fixed to two parallel frame frame members on the clamp mechanism, and wherein one of them of the third and fourth framing component and parallel frame frame member is vertical fixing;

Figure 12 d is the rear top view that is fixed to two parallel frame frame members on the clamp mechanism, and wherein one of them of the third and fourth framing component and parallel frame frame member is vertical fixing;

Figure 13 a is the side view of two table legs, and wherein every table leg has the clamp mechanism that is fixed on the first and second transverse frame member;

Figure 13 b is the front view of the assembling of Figure 13 a;

Figure 14 a is the sectional view that is fixed to the table leg on the framing component by clamp mechanism;

Figure 14 b is the perspective view of the assembling of Figure 14 a;

Figure 14 c is the side view of the assembling of Figure 14 a;

Figure 14 d is the phantom of the assembling of Figure 14 a;

Figure 15 is the sectional view of two vertical legs;

Figure 16 is the schematic diagram of the height adjustment mechanism of table leg;

Figure 17 a is the cutaway view of the height adjustment mechanism in the table leg;

Figure 17 b is the schematic diagram that is packaged with the table leg of height adjustment mechanism;

Figure 18 a is the schematic diagram with inclination table leg of the height adjustment mechanism that extends fully;

Figure 18 b is the schematic diagram with inclination table leg of holosystolic height adjustment mechanism;

Figure 18 c is the schematic diagram that does not have the inclination table leg of height adjustment mechanism;

Figure 19 is the side view of the desking system of Fig. 1;

Figure 20 is the top view of the desking system of Fig. 1;

Figure 21 is the top view of the desking system that does not have desktop of Fig. 1;

Figure 22 is the perspective upper view with desking system of integral type storeroom and separator (divider);

Figure 23 is the lower perspective view with desking system of desktop, separator and two storerooms;

Figure 24 is the top view with desking system of three parts of intersecting at middle position;

Figure 25 is the lower perspective view of desking system, and this desking system has the distance piece that is connected with the cross member that is used for supporting desktop;

Figure 26 has the perspective view that the U-type supports the desk frame system of (brace) and distance piece, and integrally formed being prepared into of distance piece also is used for supporting desktop in the table leg;

Figure 27 is the top view with desk of (angled) table leg of four inclinations and two curved frames parts that extend out from each table leg (frame section);

Figure 28 is the perspective view of desk of the frame parts of table leg with four inclinations, two curved frames parts and supporting desktop, and described two curved frames parts extend out and support the structure that is connected with each leg from each table leg;

Figure 29 is the perspective view with desk framework of the curved frames parts that the table leg of three inclinations and two extend out from each table leg;

Figure 30 is the perspective view of desk framework of decomposition with frame parts of four table legs and square crossing;

Figure 31 is the perspective view of desk framework with decomposition of four table legs and curved frames parts.

The specific embodiment

The present invention can use in conjunction with the end face of any type, needing to be particularly suitable for desk and the application of lightweight, rigidity and sturdy frame; This lightweight, rigidity and sturdy frame can use in various configurations.Improved combined frame can use in conjunction with various objects, for example chair, stool, bench and desk.But in order to describe purpose, in connection with the use of desk the present invention is described.

Fig. 1 is the schematic diagram with desking system 1 of desk framework 3, uses securing member two rectangle desktop 2a and two round desktop 2b to be connected to the top of desk framework 3.The desk framework is made of the framework with the first cross-brace 6 and the second cross-brace 7 and vertical pillar, and this vertical pillar comprises that framework fixes (frame-mounted) canted leg 4 and four vertical legs 5.On the central longitudinal axis of desk framework 3, have vertical plate and are connected the vertical structure 9 of a vertical panel by being connected with end face (top side) with the fixture shown in being connected such as Fig. 2.Vertically leg 5 and canted leg 4 are provided with height adjusting unit 8 to regulate the height of table leg in their the latter half.Table leg also comprises the backing plate 85 that is positioned at height adjusting unit feather edge place, thereby prevents from the floor surface of desk below is caused damage.Be provided with the integral type clamp mechanism that interlocks with cross-brace on the top of canted leg 4.Vertically but leg 5 is fixed for release type, to separate the clamp mechanism that is connected with horizontal cross-brace.The second cross-brace 7 is extended along the length of desk, and the first cross-brace 6 is extended along the width of desk, and is fixed on clamp mechanism and the second cross-brace.

The notable feature of the desking system shown in Fig. 1-3 is, cross-brace is formed by assembling 10 structure of two frame parts 11, by the clamp mechanism with two clamping parts (clamp section) 13 shown in the sectional view of Fig. 4,5,7a-7c with as described in two frame parts 11 be clamped together.Fig. 6 shows the frame space spare (spacer) 12 that highlights in Fig. 8 a and 8b.As an example, the frame space spare 12 among Fig. 8 b can be used for connecting two adjacent canted legs.

As shown in Figure 4, frame parts 11 has the plane pattern that contains the first planar side (flat side) the 112 and second planar side 114; The first planar side is parallel with the second planar side, and slightly is shorter than the second planar side; The second planar side has the terminal part (terminal portion) 110 that forms in the transitional region between the first and second planar side (112,114).Be provided with vertical passage 116 in the main body of frame parts 11, securing member can be fixed in this vertical passage.Alternatively, the vertical passage of frame parts is only used for reducing the weight of frame parts.In the example of setting forth, the plane symmetry that frame parts 11 extends perpendicular to the first and second planar side (112,114) relatively.The terminal part 110 of frame parts 11 comprises asymmetrical V-type groove 117, and it is shorter and mild and long and more precipitous towards the second planar side 114 towards the first planar side 112.Longitudinal fluting 117 and the first planar side 112 cause projection 118 to form, and the longitudinal fluting 117 between this convexity and the second planar side 114 is short.Steeper slope comprises transition region 115, compares projection 118, and it is farther that this transition region is extended ground apart from symmetrical plane.Projection 118 comprises towards the oblique angle 111 of the first planar side 112, so that should projection have haply conical cross-section.The thickness of frame parts 11 is generally between the sixth to three of long the second planar side 114 length/one between the first and second planar side (112,114), but other thickness also within the scope of the invention.Adopt this highly to the aspect ratio of width, frame parts is more flexible at athwartship plane, but they provide higher rigidity and mechanical stability at vertical direction.

The sectional view of the clamping part 113 that roughly is the T-type has been shown among Fig. 5.The end 130 of clamping part has protuberance (protrusion) 135 and the depressed part (valley) 136 that interlocks for projection 118 and groove with frame parts 11.Narrow distolateral 133 shape of end is roughly limited by the transition region 115 of frame parts 11.

Clamping part 13 has parallel with plane upper short side 132 and vertical with planar side surface (flat side surface) the 131 long side 134 in plane.Vertical passage 137 is located in the clamping part 12, and this vertical passage can comprise screw thread so that securing member by after be fixed on the clamping part 13.Vertical passage also can be used for reducing weight and when structure clamping part 13 with the material that uses.

Fig. 7 a, 7b are that two parallel frame parts 11 and two clamping parts 13 cooperate the schematic diagram that forms clamp mechanism with 7c.Between the first planar side of frame parts, has gap 14.The protuberance 135 of clamping part and 117 interlockings of the groove of frame parts, and the interlocking of the depressed part of the projection of framework 118 and clamping part.In addition, the first shorter planar side of frame parts planar side surface of being applicable to push clamping part.Also be provided with the perforate of passing the long side 134 in plane and the short side 132 in plane, the securing member that passes this perforate can be fixed together to form clamp mechanism with two clamping parts.The size of clamping part 13 is set, so that when clamp mechanism is locked in the frame parts, the short side in the plane of clamping part 132 is close to each other but do not contact.As shown in Fig. 7 c, two clamping parts 13 and two frame parts 11 elementary cells 10 that roughly have rectangular cross section that become capable of being combined.Because closely cooperating of the transition region 115 of the narrow side 133 relative frame parts of clamping part, elementary cell 10 can have the outward appearance of single sequential cells.The upper clamping part of elementary cell and lower clamping part can have length about equally, but the clamping part that the use size does not wait also within the scope of the invention.The inventor has conceived and has been combined with a plurality of lower clamping parts and single upper clamping part.

Shown in Figure 6 is that thickness is the frame space spare 12 of the twice of frame parts thickness, the interior profile similarity of the frame parts in the outline in its cross section and the elementary cell.Frame space spare is for the clamp mechanism of fixing two separation.Similar to frame parts, frame space spare has parallel planar side 122, groove 123 and projection 125.Frame space spare also has vertical cavity 124, and it reduces the weight of frame space spare when holding securing member or being used in the rigidity of structure of keeping frame space spare.

Shown in Fig. 8 a and 8b, the elementary cell 10 of desking system can be formed by the various composite constructions of frame space spare 12, clamping part 13 and frame parts 11.When needs link together two or many desks, can use a plurality of clamping parts that are fixed to a plurality of table legs.Alternatively, two adjacent table legs that have two adjacent clamping parts can be used for will the carrying basic load individual desktop.

Fig. 9 a and 9b have shown two elementary cells.In Fig. 9 a, frame parts 11 and clamping part 13 uncoateds, and in Fig. 9 b powder coating frame parts and clamping part.The additional thickness that powder coating produces is so that the upper surface of elementary cell and lower surface are roughly the plane.In the elementary cell of uncoated, clamping part is absorbed in the elementary cell a little, but only just can detect the inhomogeneities of this unit under tight the inspection.

Figure 10 a-10f is the various diagrams of inclination table leg 4, and this inclination table leg has the upper bend zone 41 that extends to integrally formed clamping part 411.The bottom of elementary cell is by the clamping part 13 that independent clamping plate forms, and the screw 60 that passes this clamping plate can be used for clamping plate is fixed on the integrally formed clamping part.Because clamping plate flushes or is absorbed in frame parts in the elementary cell, be not easy to see clamping plate from the frame structure top.In the example of setting forth, clamping plate is positioned at the below of the integrally formed clamping part of table leg, but the inventor has conceived other embodiments of the invention, and wherein clamping plate is positioned at the top of integrally formed clamping part.

Figure 11 a, 11b and 11c are the schematic diagrames with the example of the fixing elementary cell of vertical table leg.The lower clamping part 13 of elementary cell can be integrally formed as the part of table leg; Or alternatively, table leg can separate with all parts of elementary cell.In the example of setting forth, upper clamping part 13 is comprised of the clamping plate with perforate, and the screw by this perforate can be fixed to lower clamping part with upper clamping part.If lower clamping part and table leg are separable, shown in Figure 14 a and 14b, bolt and other securing member can be used for lower clamping part is fixed on the vertical table leg.By four independent frame parts are fixed on the elementary cell with single vertical leg, a plurality of frame parts can be used as the transverse bar of single support, and its length is greater than the length of single frame parts.Shown in Figure 11 a-11c, although the frame parts in the elementary cell is parallel to each other, they also may with all angles each other crooked away from, for example, 90 ° and 180 ° shown in Figure 11 a shown in Figure 11 b and 11c.

Figure 12 a-12d is frame parts 11 and other frame parts 11 vertical schematic diagrames that are connected with the formation cross-brace.Figure 12 a is the sectional view of the frame parts of two intersections being clamped together with screw 60.One of them of frame parts comprises establishes threaded vertical passage 116, so that screw can fasteningly be fixed in the passage.Shown in Figure 12 b, 12c and 12d, the inner frame parts of cross-brace comprise the perforate of passing through for screw.By adopting the outer frame member hidden screw, frame structure presents exquisiter outward appearance.

Figure 13 a and 13b are the schematic diagrames that is provided with the canted leg 4 of height adjusting unit 8.Figure 13 a is the schematic diagram that connects with cross-brace 6 between two canted legs.Figure 13 b is the front view of the assembling of Figure 13 a.

Figure 14 a-14d is the schematic diagram of various signs that is fixed to the vertical leg 5 of frame parts 11 by elementary cell.In the example of setting forth, vertically leg comprises be used to the receive path 50 that holds height adjusting unit.Vertically leg also comprises be used to the screw channel (screw channels) 51 that holds from the screw 60 of elementary cell.Figure 15 is the sectional view with vertical leg 5 of receive path 50 and screw channel 51.Figure 16 is the independent diagram of height adjustment mechanism.Height adjustment mechanism comprises be applicable to the sliding guiding element (sliding guide) 83 that slides in the receive path of vertical leg.Governor motion comprises for the threading arm 81 by the latter half 80.Near the locating part 82 that is positioned at the latter half 80 tops is used for and vertical leg or canted leg interconnection.Locating part 82 is the extruding receive paths closely, to be used for weight transmitting with desk to the floor.Height adjustment mechanism is by the under shed 86 of table leg, and globe joint 84 is for being positioned base plate 85 for a certain orientation, to mate with floor surface.

Figure 18 a, 18b and 18c are the sectional views with inclination table leg 4 of height adjustment mechanism 8, and this height adjustment mechanism is similar with the mechanism shown in the 17a to Figure 16.

Figure 19 is the side view of the desking system 1 of Fig. 1, this desking system have with canted leg 4 and structuring framework that the leg of being connected 5 is connected in vertical pillar 7 and cross-brace 6.Figure 20 is the top view of the desking system of Fig. 1, and Figure 21 is the schematic diagram that does not have the desking system at top.Under circular top, two canted legs angle each other with integrally formed clamping part is 120 °.Crooked 120 ° of frame parts, thereby and the arrangement of table leg coupling and between the elementary cell at table leg place, extending.Similarly, single frame parts may be with a plurality of angular bend, thereby generate various framework patterns, for example branch's pattern or honeycomb pattern.

Figure 22 and 23 is the perspective views with desking system of storeroom 400 and separator 410.Inclination table leg at an upper portion thereof bending area is provided with integrally formed perforate, and is provided with for the integrally formed formula clamping part that storeroom 400 is fixed on the desk framework.Single clamping part 13 away from table leg is arranged between two frame parts 11, in order to provide storeroom is fixed to another point on the desk framework.Desktop is supported by the supporting construction 420 that is clamped on the frame parts.

Figure 24 has set forth the example of the desking system with a plurality of desktops that connect at the triangle infall.Make a plurality of desktops be gathered in single position, just can not serve a plurality of zones thereby single cable jack and communication hub do not need to expand wiring.

Figure 25 is the schematic diagram of the example of line style frame parts, and this line style frame parts is vertical with the curved frames parts fixing.By in single desk framework, adopting bending and line style frame parts can create a plurality of unique configurations and pattern.

Figure 26 is the schematic diagram with desk framework of table leg, and this desk framework has the integrally formed support member 430 for supporting desktop.U-type frame structure 440 is vertical fixing with the linear frame shelf structure 450 that extends between table leg.U-type frame structure provides additional positions for desktop to be supported, and the maximum length of the desk that is supported by four legs is increased.

Figure 27 and 28 is the schematic diagrames with desk of four curved frames structures, and this curved frames structure is fixed on four inclination table legs.In Figure 28, supporting construction 420 is fixed on table leg and the frame structure weight with supporting desktop.Figure 27 and 28 desk create out the desk with exquisite outward appearance and high symmetry with the frame parts of minimum number.

Figure 29 is the schematic diagram that comprises the framework of three identical curved frames parts, and these curved frames parts are fixed on three table legs.This framework can be used for multiple no application, for example stool, coffee table, or be used for supporting round desktop.Although what Figure 29 showed is identical frame parts, the identical frames parts of other larger quantity can be used for creating the annular frame structure.

Figure 30 and 31 is schematic diagrames of the example of the frame structure of decomposing, and the frame structure of this decomposition has (lined) and frame parts or the crooked frame parts of line style that four inclinations are arranged.Integrally formed clamp mechanism in the table leg has reduced the quantity of finishing the required single parts of desk framework, has also reduced the assembling desk required time of framework.If the terminal use determines to dismantle the desk framework, the integrally formed clamp mechanism in the table leg is so that the possibility reduction of position is lost or misplaced to desk framework its parts when storing.

Owing to can construct multiple desk chassis configuration from bare bones, when producing a large amount of bare bones, the manufacturer that benefits from large-scale production can realize that cost significantly reduces.For manufacturer, replace transporting the kit that comprises complete desk framework by transport complete reference block (for example 100 inclination table legs of a cover) to retail trader or retail position, can make to transport with packing cost and reduce.In addition, the interchangeability of reference block is so that the quantity minimizing of the refill-unit that must have among the stock of retailer and retail trader.

The inventor has conceived several replacement schemes and the improvement of disclosed invention.Framework also can comprise protective coating and/or decorative coveringn, for example paint.Other replacement scheme, distortion and the combination that fall in the scope of the invention also are possible.Although described each embodiment of the present invention, one skilled in the art would recognize that the more conversion that can make also will fall within the scope of the present invention.Therefore, the present invention should not be subject to described device.On the contrary, scope of the present invention should with claim of the present invention advocate consistent.

Claims (19)

1. a desking system is characterized in that, comprising:

Desktop, described desktop be by the desk frame supported with first table leg,

Described desk framework comprises the first frame parts and the second frame parts, and described the first frame parts is parallel with described the second frame parts at the clamp mechanism place, and two frame parts are clamped on the described clamp mechanism simultaneously.

2. desking system according to claim 1 is characterized in that, each described frame parts also comprises:

The first planar side that is parallel to each other and the second planar side, and

Extend to first terminal side and second end side of described the second planar side from described the first planar side; Wherein,

Each described end side has the groove with described clamp mechanism interlocking.

3. desking system according to claim 2 is characterized in that,

Described clamp mechanism comprises clamping part and lower clamping part, described upper clamping part is movable fixing by driving member and described lower clamping part, and each clamping part has the protuberance of one of them groove of one of them groove of being positioned at described the first frame parts and described the second frame parts.

4. desking system according to claim 3 is characterized in that, described driving member is screw.

5. desking system according to claim 3 is characterized in that, by described upper clamping part and described lower clamping part form wherein one group be the integrally formed parts of described table leg.

6. desking system according to claim 3 is characterized in that,

Described clamp mechanism and two frame parts that extend in parallel cooperatively interact to have rectangular cross section.

7. desking system according to claim 3 is characterized in that, described upper clamping part and described lower clamping part all have T-type cross section.

8. desking system according to claim 3 is characterized in that,

Described upper clamping part has end face; And

The summit of described second planar side of described the first frame parts and the second frame parts is identical with the height of described end face.

9. desking system according to claim 2 is characterized in that,

Described first planar side of described the first frame parts has the first surface area,

Described second planar side of described the first frame parts has second surface area and the length identical with described the first planar side, and

Described first surface area is less than described second surface area.

10. desking system according to claim 2 is characterized in that,

Each frame parts comprises the vertical passage between described the first planar side and described the second planar side.

11. desking system according to claim 2 is characterized in that,

Described the first frame parts also comprises

The 3rd planar side that is parallel to each other and the 4th planar side; Wherein,

Described first terminal side and described the second terminal side extend to described the 4th planar side from described the 3rd planar side,

Described the 3rd planar side tilts with respect to described the first planar side.

12. desking system according to claim 11 is characterized in that, described desking system also comprises the second table leg, and the 3rd planar side of described the first frame parts is fixed on described the second table leg and closes on described the second table leg.

13. desking system according to claim 2 is characterized in that, described desking system also comprises

Be vertically fixed to the 3rd frame parts on described the first frame parts by securing member.

14. desking system according to claim 13 is characterized in that,

Described securing member is fixed in the threaded vertical passage of establishing of described the 3rd frame parts.

15. desking system according to claim 2 is characterized in that,

Described clamp mechanism comprises the first clamping device and the second clamping device, each clamping device has clamping part and lower clamping part on first, described upper clamping part is movable fixing by driving member and described lower clamping part, and each clamping part has the protuberance that is positioned at one of them groove;

Described the first clamping device and the second clamping device are fixed on the spacer frame parts;

Described the first clamping device is separated by described spacer frame parts and described the second clamping device; And

Described spacer frame parts have:

The first distance piece planar side parallel and highly identical with the first planar side of described the first frame parts and the second frame parts, and

The second distance piece planar side parallel and highly identical with the first planar side of described the first frame parts and the second frame parts.

16. the framework of a table support end face is characterized in that, described framework comprises:

The first clamp mechanism comprises being arranged on the first slit in the first panel and being arranged on the second slit in the second panel, holds and the fixed structure band being used for, and wherein said the first panel is parallel to described the second panel and separates with described the second panel;

The second clamp mechanism comprises being arranged on the 3rd slit in the 3rd panel and being arranged on the 4th slit in the fourth face plate, holds and the fixed structure band being used for, and wherein said the 3rd panel is parallel to described fourth face plate and separates with described fourth face plate;

The first structure band is fixed in described the first slit and extends in described the 3rd slit; And

The second structure band is fixed in described the second slit.

17. framework according to claim 16 is characterized in that,

Described the first panel tilts with respect to described the 3rd panel.

18. framework according to claim 16 is characterized in that, described framework also comprises

The 3rd clamp mechanism comprises the 5th slit that is arranged in the 3rd panel, holds and the fixed structure band being used for; Wherein,

Described the second structure band extends in described the 5th slit.

19. framework according to claim 18 is characterized in that,

Described the first panel tilts with respect to described the 3rd panel.

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