CN102407518A - Clutching structure for screw locking tool - Google Patents
Clutching structure for screw locking tool Download PDFInfo
- Publication number
- CN102407518A CN102407518A CN2010102942428A CN201010294242A CN102407518A CN 102407518 A CN102407518 A CN 102407518A CN 2010102942428 A CN2010102942428 A CN 2010102942428A CN 201010294242 A CN201010294242 A CN 201010294242A CN 102407518 A CN102407518 A CN 102407518A
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- aforementioned
- follower
- tightening latch
- established
- clutch
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Abstract
The invention relates to a clutching structure for a screw locking tool. The clutching structure is characterized by at least comprising a body, wherein the body is provided with a combination ring which is combined with an electric tool; the body is provided with an accommodating room for accommodating a clutching assembly; one end of the accommodating room is provided with a tightening latch hole; the clutching assembly is arranged in the accommodating room of the body, and is provided with a tightening latch base; the tightening latch base is provided with a tightening latch groove and a central shaft groove; the central shaft groove is formed for a central shaft; the tightening latch base is provided with a positioning steel ball hole, and is positioned in the central shaft groove; the positioning steel ball hole can be formed for a positioning steel ball; the positioning steel ball is ejected by using the central shaft to project out of a part of the outer side of the positioning steel ball groove; the clutching assembly is provided with a driven wheel; the driven wheel is arranged in the accommodating room of the body, is positioned by using a shockproof assembly, and is provided with an inclined long hole; and after the central shaft is combined with the central shaft groove, the long hole is formed for the positioning steel ball, the tightening latch base and a ratchet gear wheel can move correspondingly, and a clutching effect is achieved automatically when a screw is locked for positioning by using the screw locking tool, so that wear of a driving wheel and the driven wheel and noise are avoided.
Description
Technical field
This clutch structure that relates to a kind of screw closure tool; Especially refer to a kind of clutch component that in body, is provided with; And utilize aforementioned clutch component, be able to let the corresponding running of bolt seat with follower, in the screw closure tool Locking screw when locating; Automatically produce the clutch effect, avoid the wearing and tearing of driving wheel and follower and send the screw closure tool of noise.
Background technology
By the convention electric tool; Like TaiWan, China patent of invention I293594 number " hand held fastener-driving tools "; Instrument exploded view like Figure 10; Show that a motor 172 is contained among the housing department 120, this motor is communicated with a gear-box 174 mechanical types, and this gear-box 174 is communicated with a clutch 176 mechanical types.One driving shaft 126 is to use this chuck 196 to be communicated with these driving drill bit 198 mechanicalnesses.Figure 14 and for example, driving shaft 126 attached to this clutch 176 by drive division 250.One recess 252 is contained in this chuck 196, and this recess receives and should drive drill bit 198.It should be noted, in various embodiments of the present invention, this clutch 176 be not always directly to contact (please with reference to Figure 10) by drive division 250 with the drive division 248 of this clutch.Typically, this instrument just activated after must meshing practically at the drive division of this clutch 176 with by drive division.That is, the clutch of this kind convention only be utilize driving shaft 126 by the correspondence of drive division 250 running, in Locking screw after to a certain degree; Can separate automatically, this kind of thought convention person is during electric tool Locking screw to certain depth; Can't tightening latch be separated with screw in good time, therefore, the end of tightening latch will produce the contact shape of beating in the screw engagement groove; Not only can send noise, and easily tightening latch worn and torn.
Summary of the invention
The object of the invention is the clutch structure that a kind of screw closure tool is provided, and when screw closure tool Locking screw to the degree of depth set, the power of screw closure tool is able to separate immediately with tightening latch.
The objective of the invention is to realize so a kind of clutch structure of screw closure tool, a kind of clutch structure of screw closure tool; It is characterized in that comprising at least: body; If coupling collar encloses, must combine with electric tool, aforementioned body is established room; To be installed with clutch component, an end of aforementioned room also is provided with the tightening latch hole; Clutch component is located at the room of aforementioned body, and aforementioned clutch component is established bolt seat, and aforementioned bolt seat is established tightening latch groove and center axial trough, and aforementioned center axial trough must be the central shaft setting; Aforementioned bolt seat is set steel ball hole, position, and is positioned at axial trough place, aforementioned center, and aforementioned positioning ball hole can be the positioning ball setting, and utilizes aforementioned central shaft that positioning ball is outwards ejected, to protrude in the part outside of positioning ball groove; Aforementioned clutch component is established follower, and aforementioned follower is set at aforementioned body room, utilizes shockproof assembly to locate; Aforementioned follower is established oblique long shape hole, with after the center axial trough combines, utilizes aforementioned long shape hole to think aforementioned positioning ball setting in aforementioned central shaft; Can let the corresponding running of bolt seat with ratchet-gear wheel; When locating, produce the clutch effect in the screw closure tool Locking screw automatically, avoid the wearing and tearing of driving wheel and follower and send noise.
The present invention mainly is the corresponding running that utilizes the ratchet-gear wheel of clutch component and bolt seat, when screw closure tool Locking screw to certain degree of depth, must utilize this clutch structure, the power of screw closure tool is separated with tightening latch immediately, and discharge the torsion of tightening latch.
The clutch structure of screw closure tool of the present invention is mainly established bolt seat in clutch component, and establishes the center axial trough in aforementioned bolt seat; Think the central shaft setting, and utilize aforementioned central shaft that positioning ball is outwards ejected, to let positioning ball be able to protrude in the part outside of positioning ball groove; And be located in the oblique long shape hole of ratchet-gear wheel of aforementioned clutch component; In screw closure tool Locking screw to certain degree of depth, must utilize the elastic parts of driving wheel to eject follower, make its air line distance of the oblique long shape hole of displacement backward; Driving wheel and follower moment are separated, and discharge the torsion of tightening latch.
The object of the invention can also realize that so a kind of clutch structure of screw closure tool is characterized in that comprising at least: body; If coupling collar encloses, must combine with electric tool, aforementioned body is established room; To be installed with clutch component, an end of aforementioned room also is provided with the tightening latch hole; Clutch component is located in the room of aforementioned body, and aforementioned clutch component is established bolt seat; Aforementioned bolt seat is established tightening latch groove and center axial trough; Center axial trough and aforementioned tightening latch groove are reverse the setting, and aforementioned center axial trough is set steel ball hole, position, and aforementioned positioning ball hole also can be the positioning ball setting; And utilize aforementioned central shaft that positioning ball is outwards ejected, to let positioning ball be able to protrude in the part outside of positioning ball groove; Aforementioned clutch component is established follower; This follower is set at aforementioned body room, utilizes shockproof assembly to locate, and aforementioned follower is established oblique long shape hole; And in aforementioned central shaft with after the center axial trough combines, utilize those long shape holes to think aforementioned positioning ball setting; So, when electric tool Locking screw arrival set depth, the elastic parts that the follower of clutch component receives driving wheel ejects; And cause positioning ball to move to the A position by the B position in the oblique long shape hole of follower; Produce clutch action, can prevent that tightening latch from continuing driving screws, causes the wearing and tearing of driving wheel and follower; Utilize the elastic parts of electric tool that central shaft is outwards pushed open again, prevent that the power source of electric tool from continuing to drive clutch component.
Advantage of the present invention is: when screw closure tool Locking screw to the degree of depth set; Structure of the present invention is able to the power of screw closure tool to separate immediately with tightening latch; And the torsion of release tightening latch, produce the clutch effect automatically, avoid the wearing and tearing of driving wheel and follower and send noise.Again because of tightening latch torsion discharges, screw do not had forced to drive, also can avoid the wearing and tearing of tightening latch or twist off, can improve the service life of electric tool and tightening latch.
Description of drawings
Fig. 1 is the cutaway view of clutch structure of the present invention.
Fig. 2 is the part cutaway view of clutch structure of the present invention.
Fig. 3 is part exploded view of clutch structure of the present invention.
Fig. 4 is the stereogram of the follower of clutch structure of the present invention.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the view of electric tool holding state.
Bolt seat when Fig. 7 is the electric tool holding state of Fig. 6 and the state diagram of follower.
Fig. 8 is the sealed preceding view of electric tool.
The state diagram of bolt seat and follower when Fig. 9 is the electric tool state of Fig. 8.
Figure 10 is that electric tool is sealed near the view before the degree of depth.
The state diagram of bolt seat and follower when Figure 11 is the electric tool state of Figure 10.
Figure 12 is the view of the sealed arrival desired depth of electric tool.
The state diagram of bolt seat and follower when Figure 13 is the electric tool state of Figure 12.
View when Figure 14 is the sealed arrival set depth of electric tool.
Bolt seat when Figure 15 is the electric tool state of Figure 14 and the state diagram of follower.
The primary clustering symbol description
The shockproof collar 341,
Screw 5
The specific embodiment
For making your auditor can fully understand the present invention, depend on diagram now and explain orally as follows: shown in Fig. 1～5, the clutch structure of screw closure tool of the present invention; At least comprise: body 1; If coupling collar encloses 10, aforementioned coupling collar encloses 10 and establishes internal thread 100 to combine (like Fig. 6) with the preceding collar 20 of electric tool 2, lets the present invention must cooperate the running of electric tool; Aforementioned body 1 is established room 11; To be installed with clutch component 3 etc., the other end of aforementioned room 11 is established bolt seat hole 12, thinks the bolt seat setting of clutch component 3; Clutch component 3 is located in the room 11 of aforementioned body 1, and aforementioned clutch component 3 is also established bolt seat 30 (like Fig. 1-3); Aforementioned bolt seat 30 is also established tightening latch groove 300, and be provided with ball groove 301 in tightening latch groove 300, thinks that ball 302 is provided with; In tightening latch 4 stretch establish aforementioned tightening latch groove 300 after; Must utilize this ball 302 to fix tightening latch 4, can tightening latch 4 be combined (like Fig. 6) with bolt seat 30, and utilize aforementioned tightening latch 4 driving screws 5 to carry out sealed action; Aforementioned bolt seat 30 is established center axial trough 303, and center axial trough 303 is reverse the setting with aforementioned tightening latch groove 300, and internal diameter is different, and aforementioned center axial trough 303 must be provided with for central shaft 31; The bolt seat 30 of aforementioned clutch component 3 is established several positioning ball holes 304; Each 304 right position, positioning ball hole is axial trough 303 places in aforementioned center; And from the center axial trough 303 outwards extends through the outside, aforementioned positioning ball hole 304 can be positioning ball 32 setting, and after utilizing aforementioned central shaft 31 to set into aforementioned center axial trough 303; Positioning ball 32 is outwards ejected, to let positioning ball 32 be able to protrude in the part outside (like Fig. 1) in positioning ball hole 304.
So, when the present invention with after electric tool 2 combines, shown in Fig. 6 and 7; Electric tool is in holding state, and therefore, tightening latch 4 does not have any pressure; Get profit with the outside open strength of the elastic parts of electric tool 2 22 itself, must aforementioned central shaft 31 outwards be pushed to the location, and let the positioning ball right position of clutch component 3 in the A position of the oblique long shape hole 333 of follower 33; Even the power source of electric tool is activated, also can't drive tightening latch 4 runnings.
When electric tool 2 is prepared Locking screw 5, like Fig. 8 and 9, after the user is resisted against workpiece 6 with screw 5; To cause tightening latch 4 to move backward, and make central shaft 31 with the elastic parts 22 of tightening latch compressing electric tool 2 receipts that contract, make the tooth 335 of follower 33 be able to eat mutually and close with the tooth 210 of the driving wheel 21 of electric tool 2; And let positioning ball 32 right positions of clutch component 3 in the B position of the oblique long shape hole 333 of follower 33; At this moment, as long as the user drives the power source of electric tool, can drive tightening latch 4 runnings; And carry out screw closure work; To near set depth the time, like Figure 10 and 11, the positioning ball 32 of clutch component 3 all remains in the B position of the oblique long shape hole 333 of follower 33 up to electric tool 2 Locking screws 5.
When electric tool 2 Locking screws 5 arrived set depth, the sealed degree of depth adjustment assembly 23 (belong to known techniques, repeat no more) of electric tool did not promptly readvance; This moment clutch component 3 the driving wheel 21 of follower and electric tool 2 in the position of desire disengaging, and positioning ball 32 is in the B position of oblique long shape hole 333, like Figure 12 and 13; Again because of the unpowered driving of follower; And central shaft 31 receives the ejecting of elastic parts 22 of electric tool 2, and this moment, driving wheel 21 was motionless with bolt seat 30 fixed-site, only the follower 33 instant driving wheels that break away from; Positioning ball this moment is in the A position of oblique long shape hole 333; Like Figure 14 and 15, so can avoid driving wheel and follower to produce wearing and tearing and noise, after follower breaks away from driving wheel really because of untrue disengaging; The central shaft of follower is ejected by the electric tool elastic parts and makes follower return initial position, and this is the operating principle of whole clutch system.
Claims (10)
1. the clutch structure of a screw closure tool is characterized in that comprising at least:
Body is established coupling collar and is enclosed, and must combine with electric tool, and aforementioned body is established room, and to be installed with clutch component, an end of aforementioned room also is provided with the tightening latch hole;
Clutch component is located at the room of aforementioned body, and aforementioned clutch component is established bolt seat, and aforementioned bolt seat is established tightening latch groove and center axial trough, and aforementioned center axial trough must be the central shaft setting; Aforementioned bolt seat is set steel ball hole, position, and is positioned at axial trough place, aforementioned center, and aforementioned positioning ball hole can be the positioning ball setting, and utilizes aforementioned central shaft that positioning ball is outwards ejected, to protrude in the part outside of positioning ball groove; Aforementioned clutch component is established follower, and aforementioned follower is set at aforementioned body room, utilizes shockproof assembly to locate; Aforementioned follower is established oblique long shape hole, with after the center axial trough combines, utilizes aforementioned long shape hole to think aforementioned positioning ball setting in aforementioned central shaft; Can let the corresponding running of bolt seat with ratchet-gear wheel; When locating, produce the clutch effect in the screw closure tool Locking screw automatically, avoid the wearing and tearing of driving wheel and follower and send noise.
2. according to the clutch structure of the described screw closure tool of claim 1, the coupling collar that it is characterized in that body encloses internal thread and closes with the protheca loops with electric tool.
3. according to the clutch structure of the described screw closure tool of claim 1, it is characterized in that the center axial trough of clutch component and aforementioned tightening latch groove are provided with for reverse.
4. according to the clutch structure of the described screw closure tool of claim 1, the follower that it is characterized in that clutch component is established ring and is enclosed, and ring encloses tank, and an end of thinking tightening latch is put and established.
5. the clutch structure of a screw closure tool is characterized in that comprising at least:
Body is established coupling collar and is enclosed, and must combine with electric tool, and aforementioned body is established room, and to be installed with clutch component, an end of aforementioned room also is provided with the tightening latch hole;
Clutch component is located in the room of aforementioned body, and aforementioned clutch component is established bolt seat; Aforementioned bolt seat is established tightening latch groove and center axial trough; Center axial trough and aforementioned tightening latch groove are reverse the setting, and aforementioned center axial trough is set steel ball hole, position, and aforementioned positioning ball hole also can be the positioning ball setting; And utilize aforementioned central shaft that positioning ball is outwards ejected, to let positioning ball be able to protrude in the part outside of positioning ball groove; Aforementioned clutch component is established follower; This follower is set at aforementioned body room, utilizes shockproof assembly to locate, and aforementioned follower is established oblique long shape hole; And in aforementioned central shaft with after the center axial trough combines, utilize those long shape holes to think aforementioned positioning ball setting;
So, when electric tool Locking screw arrival set depth, the elastic parts that the follower of clutch component receives driving wheel ejects, and causes positioning ball to move to the A position in the oblique long shape hole of follower by the B position,
Produce clutch action, can prevent that tightening latch from continuing driving screws, cause the wearing and tearing of driving wheel and follower, utilize the elastic parts of electric tool that central shaft is outwards pushed open again, prevent that the power source of electric tool from continuing to drive clutch component.
6. according to the clutch structure of the described screw closure tool of claim 5, the coupling collar that it is characterized in that body encloses internal thread and closes with the protheca loops with electric tool.
7. according to the clutch structure of the described screw closure tool of claim 5; The bolt seat that it is characterized in that clutch component is established the tightening latch groove; Establish the ball groove in aforementioned tightening latch groove, think the ball setting, in tightening latch stretch establish aforementioned tightening latch groove after; Must utilize this ball to fix tightening latch, can tightening latch be combined with bolt seat.
8. according to the clutch structure of the described screw closure tool of claim 5, it is characterized in that the bolt seat of clutch component is established several positioning ball holes, each positioning ball hole and from the center axial trough outwards extend through the outside.
9. according to the clutch structure of the described screw closure tool of claim 5, it is characterized in that the shockproof assembly of clutch component, comprise the shockproof gum cover and the shockproof collar, the shockproof glue based ring that is sheathed on follower encloses the outside, and the shockproof collar then is arranged at the rear surface of follower.
10. according to the clutch structure of the described screw closure tool of claim 5, it is characterized in that follower establishes big ring and enclose, aforementioned big ring encloses a side and establishes several teeth, with the running of several teeth of the driving wheel that cooperates electric tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102942428A CN102407518A (en) | 2010-09-25 | 2010-09-25 | Clutching structure for screw locking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102942428A CN102407518A (en) | 2010-09-25 | 2010-09-25 | Clutching structure for screw locking tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102407518A true CN102407518A (en) | 2012-04-11 |
Family
ID=45910024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102942428A Pending CN102407518A (en) | 2010-09-25 | 2010-09-25 | Clutching structure for screw locking tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102407518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826882A (en) * | 2019-02-28 | 2019-05-31 | 杭州天铭科技股份有限公司 | Transmission device with clutch function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2220792B2 (en) * | 1971-05-06 | 1981-02-19 | Milwaukee Electric Tool Corp., Brookfield, Wis. (V.St.A.) | Adjustable depth stop for a portable power tool |
| US4809572A (en) * | 1986-12-09 | 1989-03-07 | Makita Electric Works, Ltd. | Power driven screwdriver |
| US4844177A (en) * | 1987-08-07 | 1989-07-04 | The Aro Corporation | Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like |
| US5673758A (en) * | 1994-06-09 | 1997-10-07 | Hitachi Koki Company Limited | Low-noise impact screwdriver |
| CN101837577A (en) * | 2010-06-22 | 2010-09-22 | 张辉 | Automatic clutch device in electric screwdriver |
-
2010
- 2010-09-25 CN CN2010102942428A patent/CN102407518A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2220792B2 (en) * | 1971-05-06 | 1981-02-19 | Milwaukee Electric Tool Corp., Brookfield, Wis. (V.St.A.) | Adjustable depth stop for a portable power tool |
| US4809572A (en) * | 1986-12-09 | 1989-03-07 | Makita Electric Works, Ltd. | Power driven screwdriver |
| US4844177A (en) * | 1987-08-07 | 1989-07-04 | The Aro Corporation | Torque sensing, automatic shut-off and reset clutch for toggle controlled screwdrivers, nutsetters and the like |
| US5673758A (en) * | 1994-06-09 | 1997-10-07 | Hitachi Koki Company Limited | Low-noise impact screwdriver |
| CN101837577A (en) * | 2010-06-22 | 2010-09-22 | 张辉 | Automatic clutch device in electric screwdriver |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826882A (en) * | 2019-02-28 | 2019-05-31 | 杭州天铭科技股份有限公司 | Transmission device with clutch function |
| CN109826882B (en) * | 2019-02-28 | 2023-11-07 | 杭州天铭科技股份有限公司 | Transmission device with clutch function |
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| PB01 | Publication | ||
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Application publication date: 20120411 |