CN203973450U - Reversing device for ratchet wrench - Google Patents
Reversing device for ratchet wrench Download PDFInfo
- Publication number
- CN203973450U CN203973450U CN201420434787.8U CN201420434787U CN203973450U CN 203973450 U CN203973450 U CN 203973450U CN 201420434787 U CN201420434787 U CN 201420434787U CN 203973450 U CN203973450 U CN 203973450U
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- China
- Prior art keywords
- ratchet
- brake block
- cam bit
- reversing device
- tank
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- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A kind of reversing device for ratchet wrench, is applicable to be hubbed on the head of a ratchet spanner, and comprises a ratchet, a switch piece, and lay respectively at a left brake block and a right brake block of the left and right sides of this switch piece.This switch piece comprises a cam bit being arranged between this left and right brake block, and one is connected coaxially in the toggle switch at this cam bit rear.This cam bit has respectively two pushing and pressing faces and two locating surfaces that should left and right brake block.Whereby, this toggle switch can one clockwise and one reverse between position and swing, in the time of this clockwise position, this toggle switch is rocked to left side, this right brake block is pushed against away from this ratchet by correspondence pushing and pressing face, this left brake block is connected to this locating surface and engages with this ratchet, and this ratchet energy uniaxially is rotated clockwise, contrary in the time of this reverse position.The utility model reversing device for ratchet wrench can be applied mechanically the changed course that existing assembly simple refit is produced, and modular construction is simple, easy to manufacture.
Description
Technical field
The utility model relates to a kind of reversing arrangement, refers to especially a kind of reversing device for ratchet wrench that is applicable to the direction of rotation of switching ratchet spanner.
Background technology
Consult Fig. 1 to Fig. 3, a common reversing device for ratchet wrench 1 is applicable to be arranged on a head tank 21 of a ratchet spanner 2, and this reversing arrangement 1 comprises the left brake block of a ratchet 11,12, right brake block 13 and a switch piece 14.This switch piece 14 comprises a cam bit 141 that is positioned at this tank 21 and is positioned at 12,13 of this left and right brake blocks, and one is connected and is exposed to the toggle switch 142 of this tank 21 with this cam bit 141.
Stir this toggle switch 142 and can switch the direction of rotation of this ratchet 11, when this toggle switch 142 is dialed to left side, this cam bit 141 can be resisted against this left and right brake block 12,13 and this left brake block 12 is engaged with this ratchet 11 away from this ratchet 11,13 of this right brake blocks, and now this ratchet 11 can rotate around counter clockwise direction by uniaxially; On the contrary, when this toggle switch 142 is dialed to right side, 141 of this cam bits make that this left brake block 12 engages with this ratchet 11, this right brake block 13 is away from this ratchet 11, and now this ratchet 11 can rotate by uniaxiallies clockwise.
For coordinating the different users that are accustomed to smoothly or use different strong hands, as raw therefrom in the reversing device for ratchet wrench of a No. I411496 disclosed changed course of TaiWan, China utility model patent notification number.
The reversing device for ratchet wrench of this changed course is different from common reversing device for ratchet wrench, when its toggle switch is dialed to left side, can make ratchet one-way ground rotate clockwise, on the contrary, when this toggle switch is dialed to right side, can make this ratchet around counterclockwise rotating, and can meet the different users of custom smoothly.
But, the component structure of the reversing device for ratchet wrench of this changed course and assembling mode and common reversing device for ratchet wrench 1 differ greatly, therefore producer needs die sinking again to manufacture assembly, even opening up a brand-new product line assembles, and cannot utilize current material assembly simple refit, manufacturing cost is quite high.
Summary of the invention
The purpose of this utility model is to provide a kind of reversing device for ratchet wrench of the changed course that can apply mechanically existing assembly simple refit production.
The head that the utility model reversing device for ratchet wrench is applicable to be arranged on a ratchet spanner surrounds the tank defining.This reversing device for ratchet wrench comprises a ratchet, a switch piece, a left brake block and a right brake block.
This ratchet can be pivotally installed in the head of this ratchet spanner, and comprises a ratchet part that is positioned at this tank, and a drive division that is connected in the front of this ratchet part and protrudes out this tank.
This switch piece can be pivotally installed in the head of this ratchet spanner around an axis, and comprises a cam bit that is positioned at this tank, and one be connected in this cam bit rear coaxially with this cam bit, and protrudes out the toggle switch of this tank.
This left brake block is hubbed at this tank, and is positioned at the left side of this cam bit, and can optionally engage with this ratchet part.
This right brake block is hubbed at this tank, and is positioned at the right side of this cam bit, and alternatively engages with this ratchet part with this left brake block.
The cam bit of this switch piece has two respectively to should left and right brake block and the pushing and pressing face of contiguous this ratchet, and two respectively to should left and right brake block and away from the locating surface of this ratchet.
This toggle switch can swing and switch between a clockwise position and a reverse position around this axis with respect to this head.
In the time of this clockwise position, this toggle switch is rocked to left side, and this cam bit of interlock is to push against this right brake block away from this ratchet part to pushing and pressing face that should right brake block, now this left brake block is connected to corresponding locating surface and engages with this ratchet part, and this ratchet energy uniaxially rotates clockwise.
In the time of this reverse position, this toggle switch is rocked to right side, and this cam bit of interlock is to push against this left brake block away from this ratchet part to pushing and pressing face that should left brake block, now this right brake block is connected to corresponding locating surface and engages with this ratchet part, and this ratchet energy uniaxially is around counterclockwise rotating.
The utility model reversing device for ratchet wrench, the spacing of the pushing and pressing face of this switch piece and this axis is greater than the spacing of described locating surface and this axis.
The utility model reversing device for ratchet wrench, the cam bit of this switch piece has a wide end towards this ratchet part, and one away from this ratchet part, and Breadth Maximum is less than the narrow end of the Breadth Maximum of this wide end, described pushing and pressing face is formed at this wide end, and described locating surface is formed at this narrow end.
The utility model reversing device for ratchet wrench, the toggle switch of this switch piece has an axle pivot end that is located in the head of this ratchet spanner, and one by this axle pivot end towards extending away from this ratchet direction, and can between this clockwise position and this reverse position, swing with respect to this head the end of stirring of switching around this axle pivot end, this cam bit is connected in this axle pivot end.
The utility model reversing device for ratchet wrench, the head of this ratchet spanner also comprises one around this reversing device for ratchet wrench and surrounds the perisporium that defines this tank, this reversing device for ratchet wrench also comprise two butted in this perisporium and this left and right brake block respectively, and produce respectively an elastic component that makes the elastic-restoring force that this left and right brake block swings towards this switch piece.
The beneficial effects of the utility model are: by the particular configuration of this cam bit 51, the present invention can utilize simple assembly to change turning to of this ratchet spanner 3 under minimum change amplitude, can not only meet the different users of custom smoothly, in the time manufacturing production, can also directly apply mechanically the assembly of existing reversing device for ratchet wrench, manufacture with cost, the technology door of assembling and all have reduction.
Brief description of the drawings
Fig. 1 is the stereogram of existing ratchet spanner;
Fig. 2 is the generalized section along cutting line II-II in Fig. 1, illustrates that a toggle switch of a reversing arrangement of this ratchet spanner dials to left side, and a ratchet of this reversing arrangement can be rotated around counter clockwise direction;
Fig. 3 is the generalized section of similar Fig. 2, illustrates that this toggle switch dials to right side, and this ratchet can be rotated clockwise;
Fig. 4 is the three-dimensional exploded view that an embodiment of the present utility model is installed on a ratchet spanner;
Fig. 5 is the combination generalized section of this embodiment and this ratchet spanner, illustrates that a toggle switch of this embodiment dials to a clockwise position and is positioned at left side, and a ratchet of this embodiment can be rotated clockwise;
Fig. 6 is the combination generalized section of similar Fig. 5, illustrates that this toggle switch dials to one and reverses position and be positioned at right side, and this ratchet can be rotated around counter clockwise direction;
Fig. 7 is the generalized section that the second of this embodiment is implemented aspect, illustrates that this toggle switch is positioned at this clockwise position;
Fig. 8 is the generalized section of similar Fig. 7, illustrates that this toggle switch is positioned at this reverse position;
Fig. 9 is the generalized section of the third enforcement aspect of this embodiment, illustrates that this toggle switch is positioned at this clockwise position;
Figure 10 is the generalized section of similar Fig. 9, illustrates that this toggle switch is positioned at this reverse position.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is elaborated.
About aforementioned and other technology contents, feature and effect of the present utility model, in the following detailed description coordinating with reference to a graphic embodiment, can clearly understand.
Consult Fig. 4 to Fig. 6, an embodiment of the utility model reversing device for ratchet wrench is applicable to perisporium 311 tank 312 defining that surrounds of a head 31 that is arranged on a ratchet spanner 3, and locates with front capping 32 involutions of this ratchet spanner 3.It should be noted that, in the present embodiment, the use state during using hand-held this ratchet spanner 3 of user is as the basis of the directions such as front, rear, left and right in the present embodiment explanation.
This reversing device for ratchet wrench comprises a ratchet 4, switch piece 5, left brake block 6, a right brake block 7, and two elastic components 8.
This ratchet 4 can be pivotally installed in the head 31 of this ratchet spanner 3, and comprises a ratchet part 41 that is positioned at this tank 312, and a drive division 42 that is connected in the front of this ratchet part 41 and protrudes out this tank 312.
The stereo formation of this drive division 42 coordinates a kind of screw model of correspondence, and can with the screw tabling of this model, to become flexible or to lock this screw, therefore the present embodiment in graphic drawn configuration aspect only for example explanation, not as limit.
This switch piece 5 can be pivotally installed in around an axis L head 31 of this ratchet spanner 3, and comprise a cam bit 51 that is arranged at this tank 312 along this axis L, and one be connected in these cam bit 51 rears coaxially with this cam bit 51, and protrude out the toggle switch 52 of this tank 312.
This left brake block 6 is hubbed at this tank 312, and is positioned at the left side of this cam bit 51, and can optionally engage with the ratchet part 41 of this ratchet 4.
This right brake block 7 is hubbed at this tank 312, and is positioned at the right side of this cam bit 51, and alternatively engages with this ratchet part 41 with this left brake block 6.
Described elastic component 8 one end are butted in the perisporium 311 of these ratchet spanner 3 heads 31, the other end is butted in this left brake block 6 and wherein one of this right brake block 7, and produces respectively an elastic-restoring force that this left brake block 6 and this right brake block 7 are swung towards this switch piece 5 respectively.
It should be noted that, this ratchet 4, this left brake block 6 and this right brake block 7, and effect of the configuration of described elastic component 8, the relation that matches and correspondence is all identical with existing reversing device for ratchet wrench, can directly apply mechanically existing assembly and non-emphasis of the present utility model, therefore seldom be described further in the present embodiment.
The cam bit 51 of this switch piece 5 have a wide end 511 towards these ratchet 4 ratchet parts 41, one be less than the Breadth Maximum of this wide end 511 narrow end 512 away from this ratchet part 41 and Breadth Maximum, two respectively to should left brake block 6, right brake block 7 ground are formed at the pushing and pressing face 513,513 ' of this wide end 511, and two respectively to should left brake block 6, right brake block 7 ground are formed at the locating surface 514,514 ' of this narrow end 512.Described pushing and pressing face 513,513 ' and the spacing of this axis L be greater than described locating surface 514,514 ' and the spacing of this axis L.
The toggle switch 52 of this switch piece 5 has an axle pivot end 521 that is located in the head 31 of this ratchet spanner 3 and is connected with this cam bit 51 along this axis L, and one by this axle pivot end 521 towards extending away from these ratchet 4 directions, and can be with respect to this head 31 around this axle pivot end 521 in a clockwise position and one reverse between position, swing switch stir end 522.
In the time of this clockwise position, the end 522 of stirring of this toggle switch 52 is rocked to left side, and this cam bit 51 of interlock is to push against the ratchet part 41 of this right brake block 7 away from this ratchet 4 to pushing and pressing face 513 ' that should right brake block 7, now this left brake block 6 is connected to corresponding locating surface 514 and engages with this ratchet part 41, and this ratchet 4 can be rotated by uniaxially clockwise.
In the time of this reverse position, this is stirred end 522 and is rocked to right side, and this cam bit 51 of interlock with pushing and pressing face 513 these the left brake blocks 6 of pushing and pressing to should left brake block 6 away from this ratchet part 41, now this right brake block 7 is connected to corresponding locating surface 514 ' and engages with this ratchet part 41, and this ratchet 4 can be rotated around counter clockwise direction by uniaxially.
It should be noted that, in the present embodiment, during using hand-held this ratchet spanner of user 3 use state as in the present embodiment explanation clockwise with the basis of the direction such as counterclockwise.
So, user can, by stirring the direction of rotation of stirring end 522 and switch this ratchet 4 of this toggle switch 52, rotate with the drive division 42 of this ratchet 4 or a loosening screw whereby.In addition, this suitable, reverse position of stirring end 522 lays respectively at left side and right side, just contrary with existing ratchet spanner, and can meet the different users of custom smoothly.
It is worth mentioning that, the spatial configuration of this cam bit 51 is not limited to the disclosed aspect of the present embodiment, all have a wide end 511 towards this ratchet 4, an and narrow end 512 away from this ratchet, and make described pushing and pressing face 513,513 ' with the spacing of this axis L be greater than described locating surface 514,514 ' and the spatial configuration of the spacing of this axis L all can reach identical effect, as Fig. 7 and the possible the second of the disclosed the present embodiment of Fig. 8 are implemented aspect, and Fig. 9 the third enforcement aspect possible with the disclosed the present embodiment of Figure 10.
So, the advantage of the utility model reversing device for ratchet wrench can be summarized as follows:
One, pass through the particular configuration of the cam bit 51 of this switch piece 5, the utility model reversing device for ratchet wrench not only can be reached effect identical with existing reversing device for ratchet wrench, and can make the switching mode suitable, that reverse position of this toggle switch 52 contrary with existing reversing device for ratchet wrench, to meet the different users that are accustomed to smoothly or use different strong hands.
Two, the utility model reversing device for ratchet wrench only just can reach the object of changed course by changing the spatial configuration of this cam bit 51, and compared to the reversing device for ratchet wrench of existing changed course, modular construction is simple, easy to manufacture.
Three, in addition, the utility model reversing device for ratchet wrench is only done structural variation and improvement for the spatial configuration of this cam bit 51, do not need newly-increased any assembly or replace old assembly, therefore most assemblies can directly be applied mechanically the assembly of existing reversing device for ratchet wrench, manufacture and assembling are all similar with existing reversing device for ratchet wrench, and production cost and technology door all can reduce.
In sum, by the particular configuration of this cam bit 51, the utility model can utilize simple assembly to change turning to of this ratchet spanner 3 under minimum change amplitude, can only not meet the different users of custom smoothly, in the time manufacturing production, can also directly apply mechanically the assembly of existing reversing device for ratchet wrench, cost, the technology door manufactured and assemble are all low, therefore really can reach the purpose of this utility model.
Claims (5)
1. a reversing device for ratchet wrench, a head that is applicable to be arranged on a ratchet spanner surrounds the tank defining, and it is characterized in that:
This reversing device for ratchet wrench, comprises:
A ratchet, can be pivotally installed in the head of this ratchet spanner, and comprises a ratchet part that is positioned at this tank, and a drive division that is connected in the front of this ratchet part and protrudes out this tank;
A switch piece, can be pivotally installed in the head of this ratchet spanner around an axis, and comprise a cam bit that is positioned at this tank, and one be connected in this cam bit rear coaxially with this cam bit, and protrudes out the toggle switch of this tank;
A left brake block, is hubbed at this tank and is positioned at the left side of this cam bit, and can optionally engage with this ratchet part; And
A right brake block, is hubbed at this tank and is positioned at the right side of this cam bit, and alternatively engage with this ratchet part with this left brake block,
The cam bit of this switch piece has two respectively to should left and right brake block and the pushing and pressing face of contiguous this ratchet, and two respectively to should left and right brake block and away from the locating surface of this ratchet, this toggle switch can swing and switch between a clockwise position and a reverse position around this axis with respect to this head
In the time of this clockwise position, this toggle switch is rocked to left side, and this cam bit of interlock is to push against this right brake block away from this ratchet part to pushing and pressing face that should right brake block, now this left brake block is connected to corresponding locating surface and engages with this ratchet part, this ratchet energy uniaxially rotates clockwise
In the time of this reverse position, this toggle switch is rocked to right side, and this cam bit of interlock is to push against this left brake block away from this ratchet part to pushing and pressing face that should left brake block, now this right brake block is connected to corresponding locating surface and engages with this ratchet part, and this ratchet energy uniaxially is around counterclockwise rotating.
2. reversing device for ratchet wrench according to claim 1, is characterized in that: the spacing of the pushing and pressing face of this switch piece and this axis is greater than the spacing of described locating surface and this axis.
3. reversing device for ratchet wrench according to claim 1 and 2, it is characterized in that: the cam bit of this switch piece has a wide end towards this ratchet part, and one away from this ratchet part, and Breadth Maximum is less than the narrow end of the Breadth Maximum of this wide end, described pushing and pressing face is formed at this wide end, and described locating surface is formed at this narrow end.
4. reversing device for ratchet wrench according to claim 1, it is characterized in that: the toggle switch of this switch piece has an axle pivot end that is located in the head of this ratchet spanner, and one by this axle pivot end towards extending away from this ratchet direction, and can between this clockwise position and this reverse position, swing with respect to this head the end of stirring of switching around this axle pivot end, this cam bit is connected in this axle pivot end.
5. reversing device for ratchet wrench according to claim 1, it is characterized in that: the head of this ratchet spanner also comprises one around this reversing device for ratchet wrench and surrounds the perisporium that defines this tank, this reversing device for ratchet wrench also comprise two butted in this perisporium and this left and right brake block respectively, and produce respectively an elastic component that makes the elastic-restoring force that this left and right brake block swings towards this switch piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434787.8U CN203973450U (en) | 2014-08-04 | 2014-08-04 | Reversing device for ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420434787.8U CN203973450U (en) | 2014-08-04 | 2014-08-04 | Reversing device for ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973450U true CN203973450U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420434787.8U Expired - Fee Related CN203973450U (en) | 2014-08-04 | 2014-08-04 | Reversing device for ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973450U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313051A (en) * | 2014-08-04 | 2016-02-10 | 豪越股份有限公司 | Reversing device of ratchet wrench |
| CN105397698A (en) * | 2015-11-23 | 2016-03-16 | 重庆万斯金属特种成形有限公司 | Round wrench |
| CN106553147A (en) * | 2015-09-28 | 2017-04-05 | 豪越股份有限公司 | Reversing device for ratchet wrench |
| CN106956231A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN106956230A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN110014389A (en) * | 2018-01-10 | 2019-07-16 | 豪越股份有限公司 | Reversing arrangement and ratchet spanner with the reversing arrangement |
| CN110614471A (en) * | 2019-09-24 | 2019-12-27 | 广州萝锋智能科技有限公司 | Anti-falling labor-saving clamp |
| CN111173365A (en) * | 2018-11-13 | 2020-05-19 | 派阁国际(香港)有限公司 | Handle |
| CN112743480A (en) * | 2019-10-31 | 2021-05-04 | 襄阳中车电机技术有限公司 | Large-scale round nut locking device |
-
2014
- 2014-08-04 CN CN201420434787.8U patent/CN203973450U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313051A (en) * | 2014-08-04 | 2016-02-10 | 豪越股份有限公司 | Reversing device of ratchet wrench |
| CN106553147A (en) * | 2015-09-28 | 2017-04-05 | 豪越股份有限公司 | Reversing device for ratchet wrench |
| CN105397698A (en) * | 2015-11-23 | 2016-03-16 | 重庆万斯金属特种成形有限公司 | Round wrench |
| CN106956231A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN106956230A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN110014389A (en) * | 2018-01-10 | 2019-07-16 | 豪越股份有限公司 | Reversing arrangement and ratchet spanner with the reversing arrangement |
| CN111173365A (en) * | 2018-11-13 | 2020-05-19 | 派阁国际(香港)有限公司 | Handle |
| CN111173365B (en) * | 2018-11-13 | 2021-08-06 | 派阁国际(香港)有限公司 | Handle |
| CN110614471A (en) * | 2019-09-24 | 2019-12-27 | 广州萝锋智能科技有限公司 | Anti-falling labor-saving clamp |
| CN112743480A (en) * | 2019-10-31 | 2021-05-04 | 襄阳中车电机技术有限公司 | Large-scale round nut locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20200804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |