CN202825643U - Torsion changing structure of ratchet wrench - Google Patents
Torsion changing structure of ratchet wrench Download PDFInfo
- Publication number
- CN202825643U CN202825643U CN 201220361432 CN201220361432U CN202825643U CN 202825643 U CN202825643 U CN 202825643U CN 201220361432 CN201220361432 CN 201220361432 CN 201220361432 U CN201220361432 U CN 201220361432U CN 202825643 U CN202825643 U CN 202825643U
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- CN
- China
- Prior art keywords
- shifting block
- elongate slot
- clamping ring
- ratchet
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a torsion changing structure of a ratchet wrench. A larger containing groove and a rachet wheel groove are formed inside a driving end in an excavating mode, and the containing groove and a rachet groove are respectively provides for being arranged by a clamping ring teeth of a D head and a clamping portion of the rachet groove. Long grooves with the same depths and are communicated with each other are formed in the rear end of the containing groove, shifting blocks are arranged inside the long grooves, shifting portions are arranged on the shifting blocks in a protruding mode, a tooth row portion which is corresponding to the clamping ring teeth is arranged at the front end of the shifting blocks, a cover plate which is connected with the driving end in a locking mode is arranged at the upper end of the shifting blocks, and a through hole where the shifting portions extend in a protruding mode is prearranged on the cover plate. When the shifting blocks are pushed to slide to the front end of the long grooves, the tooth row of the shifting blocks is connected with the clamping ring teeth of the D head so that a clamping connection can be produced to limit the rotation of the D head. When the shifting blocks are pushed to restore to the rear end of the long grooves, a rotation function of the ratchet wrench can be normally used. Due to the fact that a control structure of the shifting blocks is utilized, both a larger torsion output and a using switch of a one-way revolve of the ratchet wrench can be given so that applicability of tool operation can be fit.
Description
Technical field
The utility model relates to a kind of torsion change structure of ratchet spanner, in more detail, particularly for the rotation effect of ratchet D head, by a shifting block control structure of setting up, and the D head can be rotated or spacing switching state, reach according to this change of torsion.
Background technology
Press, the present structure of general box spanner mainly is divided into ratchet-type and fixed two kinds, and wherein fixed box spanner unloads comparatively inconvenience and trouble in the operation at lock, but can possess the advantage of spanner acrotorque output; And the box spanner of ratchet-type is when the lock that carries out nut (bolt) unloads operation, can the rotating characteristic of unidirectional switching by it, make its rotation to suitable angle, former application of force angle is replied in the convolution of can dallying again, and then obtain to lock comparatively easily to unload to operate enforcement, but the torsion of its output then is lower than fixed box spanner.
So, above-mentioned two kinds of socket wrench structures all have its pluses and minuses, and these two kinds of sleeve barrel tools also frequently are used in industry and the daily life, are should remain to manage to solve improvement.
The utility model content
Because the design of known sleeve type spanner still has its disappearance, based on the many years of experience of being engaged in relevant industries and technology with the designer, the spy sets about the road researched and solved, and then grind the torsion change structure of creating ratchet spanner of the present utility model, its main purpose is by the toothrow section on the slidably shifting block that is installed in driving end, clamping ring toothing in the corresponding D head, and the D head of giving ratchet spanner can switch to and rotates or spacing state.
The utility model is reached two of purpose and effect, by adjusting the passing of shifting block, make the control shifting block fasten or break away from the clamping ring tooth of D head, and make the D capitiform of ratchet spanner become to rotate or spacing state, reach according to this use effect that has larger torsion output or unidirectional rotary concurrently, and increase the value of its commercial use.
The utility model is reached three of purpose and effect, by the multiple tooth interface arrangment of clamping ring tooth and shifting block toothrow section, the spacing power when fastening except strengthening, also need not contraposition when clamping and reach level off to without the section spacing control state.
For achieving the above object, the utility model is taked following technical scheme:
A kind of torsion change structure of ratchet spanner, it comprises:
One driving end, its rear end is connected with a spanner handle, and its front end digs larger storage tank and a ratchet slot, and the elongate slot that is provided with a same depth and communicates in the rear end of storage tank, dig a groove on this elongate slot, then be provided with an elastic component and a supporting member in this groove;
One D head be installed in the driving end, and the clamping ring tooth of its D head and ratchet Access Division is arranged in the storage tank and ratchet slot of driving end;
One shifting block, it is arranged in the elongate slot of driving end, and convex with a clicking section on the shifting block, the lower end then be preset with can corresponding elongate slot groove supporting member two forward and backward shrinkage pools, the front end of shifting block then is provided with the toothrow section corresponding to D clamping ring tooth, the upper end of this shifting block is provided with an interlocking in the cover plate of driving end again, then is preset with a perforation that supplies the shifting block clicking section to protrude out on this cover plate;
When placing the elongate slot front end by passing shifting block, the toothrow section of this shifting block front end then with the clamping ring tooth of the D head clip that is bonded with each other, limit according to this rotation of D head, and when the passing shifting block places the elongate slot rear end, this moment, the toothrow section of shifting block front end then broke away from clip with D clamping ring tooth, made ratchet spanner can carry out the revolution operation.
When described shifting block placed described elongate slot front end, the supporting member of described elongate slot supported to arrive in the rear shrinkage pool of described shifting block.
When described shifting block placed described elongate slot rear end, the supporting member of described elongate slot supported to arrive in the front shrinkage pool of described shifting block.
Described shifting block is arranged at upper surface or the lower surface of described driving end.
The storage tank of described driving end and the clamping ring tooth of described D head cooperate the corresponding setting in position of described shifting block.
The beneficial effects of the utility model are: it is spacing or can rotatingly change that the ratchet spanner that the utility model provides can produce quick switching, can have according to this use effect of larger torsion output or unidirectional rotary concurrently, really can effectively solve the disappearance that general box spanner uses, and the multiple tooth interface arrangment by clamping ring tooth and shifting block toothrow section, then can produce the quick clamping state that need not contraposition, thereby significantly increase the convenience of operation.
Description of drawings
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 3 is cross-sectional view one of the present utility model.
Fig. 4 is shifting block action schematic diagram one of the present utility model.
Fig. 5 is cross-sectional view two of the present utility model.
Fig. 6 is shifting block action schematic diagram two of the present utility model.
Fig. 7 is another better schematic perspective view one of the utility model.
Fig. 8 is another better schematic perspective view two of the utility model.
Fig. 9 is another better shifting block action schematic diagram one of the utility model.
Figure 10 is another better cross-sectional view one of the utility model.
Figure 11 is another better shifting block action schematic diagram two of the utility model.
Figure 12 is another better cross-sectional view two of the utility model.
Figure 13 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model the second embodiment.
Figure 14 is the shifting block action schematic diagram of the utility model the second embodiment.
Drawing reference numeral: 10: ratchet spanner; 11: spanner handle; 12: driving end; 13: storage tank; 14: ratchet slot; 15: elongate slot; 151: groove; The 20:D head; 21: clamping ring tooth; 21a: clamping ring tooth; 22: the ratchet Access Division; 30: shifting block; 301: the clicking section; 302: front shrinkage pool; 303: rear shrinkage pool; 304: toothrow section; 304a: toothrow section; 31: cover plate; 32: perforation; 33: supporting member; 34: elastic component; 40: the poke-rod type ratchet spanner.
The specific embodiment
Reach the aspect relevant for structure composition of the present utility model, technological means and effect, only cooperate the preferred embodiment diagram to give again for example and further specify in rear:
At first, see also Fig. 1, Fig. 2 and shown in Figure 3, ratchet spanner 10 of the present utility model is on structural design, mainly formed by a spanner handle 11 and a driving end 12, and driving end 12 front ends dig larger storage tank 13 and a ratchet slot 14, its storage tank 13 and ratchet slot 14 then arrange for clamping ring tooth 21 and the ratchet Access Division 22 of D 20 respectively, and the elongate slot 15 that is provided with a same depth and communicates in the rear end of storage tank 13, dug a groove 151 on this elongate slot 15, then be provided with an elastic component 34 and a supporting member 33 in this groove 151, and this elongate slot 15 is built-in with a shifting block 30, convex with a clicking section 301 on its shifting block 30, but the lower end then be preset with two front and back respective slot, 151 supporting members 33 before, rear shrinkage pool 302,303, the front end of shifting block 30 then is provided with the toothrow section 304 corresponding to D 20 clamping ring teeth 21, the upper end of this shifting block 30 is provided with an interlocking in the cover plate 31 of driving end 12 again, then is preset with a perforation 32 that supplies shifting block 30 clicking sections 301 to protrude out on this cover plate 31.
Secondly, please consult simultaneously Fig. 3, shown in Figure 4, when shifting block 30 places elongate slot 15 rear end, the supporting member 33 of its long row groove 15 supports to arrive in the front shrinkage pool 302 of shifting block 30 is located, this moment shifting block 30 front ends toothrow section 304 not with the clamping ring tooth 21 of D 20 clip that is bonded with each other, be can normally use the revolution operating function that is just reversing with ratchet spanner 10; Continue such as Fig. 5, shown in Figure 6, when shifting block 30 places long row groove 15 front end, the supporting member 33 of its elongate slot 15 supports to arrive in the rear shrinkage pool 303 of shifting block 30 and is located, this moment shifting block 30 front ends toothrow section 304 then with the clamping ring tooth 21 of D 20 clip that is bonded with each other, limit according to this rotation of D 20, and make ratchet spanner 10 form fixed use kenel.
In addition, please consult simultaneously Fig. 1 and shown in Figure 7, its ratchet spanner 10 is with the architectural difference of poke-rod type ratchet spanner 40, the revolving structure of ratchet spanner 10 is to rely on the ratchet Access Division 22 of D 20 inside to be controlled (as shown in Figure 2), it is the upper surface that directly is arranged at driving end 12 with these shifting block 30 structures, yet the revolving structure of poke-rod type ratchet spanner 40 need rely on the plucking piece (not shown) of rear end to be controlled, so please refer to the drawing 8 is to shown in Figure 12, its shifting block 30 structures then need be arranged at the bottom face of driving end 12, and the storage tank 13 that driving end 12 inside dig also need cooperate the position correspondence of shifting block 30 to dig, and the movement structure of shifting block 30 integral body and mode of operation are then identical with above-mentioned ratchet spanner 10; So, identical shifting block 30 structures also can be set on the poke-rod type ratchet spanner 40 of different control modes, and reach the variable switching effect of identical torsion.
In addition, the planform of clamping ring tooth and toothrow section also can do to change design; Such as the utility model in a second embodiment, please refer to Figure 13 and shown in Figure 14, the clamping ring tooth 21a of D 20 slightly is trapezoidal teeth groove by several and is consisted of, and the 304a of toothrow section of shifting block 30 is consisted of (quantity that also can change tooth spare) by three tooth spares, uses to allow the mutual clip of clamping ring tooth 21a of the 304a of toothrow section of shifting block 30 and D 20; So the shape and structure of clamping ring tooth of the present utility model and toothrow section can be the shape and structure described in the first embodiment or the second embodiment at least, certainly, also can be other planform, need only both mutually clips.
In sum, the composition design of the utility model by mechanism provides the ratchet spanner of all kinds of different control kenels to produce to switch fast spacing or can rotatingly change, give according to this use effect that all kinds of ratchet spanneres all can have larger torsion output or unidirectional rotary concurrently, really can effectively solve the disappearance that general box spanner uses, and by the multiple tooth interface arrangment of clamping ring tooth 21 with shifting block 30 toothrow sections 304, then can produce the quick clamping state that need not contraposition, thereby significantly increase the convenience of operation, generally speaking, can be rated as in fact an innovation method for making that has an industrial utilization.
Claims (5)
1. the torsion change structure of a ratchet spanner is characterized in that it comprises:
One driving end, its rear end is connected with a spanner handle, and its front end digs larger storage tank and a ratchet slot, and the elongate slot that is provided with a same depth and communicates in the rear end of storage tank, dig a groove on this elongate slot, then be provided with an elastic component and a supporting member in this groove;
One D head be installed in the driving end, and the clamping ring tooth of its D head and ratchet Access Division is arranged in the storage tank and ratchet slot of driving end;
One shifting block, it is arranged in the elongate slot of driving end, and convex with a clicking section on the shifting block, the lower end then be preset with can corresponding elongate slot groove supporting member two forward and backward shrinkage pools, the front end of shifting block then is provided with the toothrow section corresponding to D clamping ring tooth, the upper end of this shifting block is provided with an interlocking in the cover plate of driving end again, then is preset with a perforation that supplies the shifting block clicking section to protrude out on this cover plate;
When placing the elongate slot front end by passing shifting block, the toothrow section of this shifting block front end then with the clamping ring tooth of the D head clip that is bonded with each other, limit according to this rotation of D head, and when the passing shifting block places the elongate slot rear end, this moment, the toothrow section of shifting block front end then broke away from clip with D clamping ring tooth, made ratchet spanner can carry out the revolution operation.
2. the torsion change structure of ratchet spanner according to claim 1 is characterized in that, when described shifting block placed described elongate slot front end, the supporting member of described elongate slot supported to arrive in the rear shrinkage pool of described shifting block.
3. the torsion change structure of ratchet spanner according to claim 1 is characterized in that, when described shifting block placed described elongate slot rear end, the supporting member of described elongate slot supported to arrive in the front shrinkage pool of described shifting block.
4. the torsion change structure of ratchet spanner according to claim 1 is characterized in that, described shifting block is arranged at upper surface or the lower surface of described driving end.
5. the torsion change structure of ratchet spanner according to claim 1 is characterized in that, the storage tank of described driving end and the clamping ring tooth of described D head cooperate the corresponding setting in position of described shifting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361432 CN202825643U (en) | 2012-07-24 | 2012-07-24 | Torsion changing structure of ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361432 CN202825643U (en) | 2012-07-24 | 2012-07-24 | Torsion changing structure of ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202825643U true CN202825643U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220361432 Expired - Fee Related CN202825643U (en) | 2012-07-24 | 2012-07-24 | Torsion changing structure of ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202825643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2562325A (en) * | 2017-10-05 | 2018-11-14 | Chao Chih Liu | High torque ratchet wrench |
| TWI669195B (en) * | 2018-08-01 | 2019-08-21 | 陳志吉 | Push-button hoist |
-
2012
- 2012-07-24 CN CN 201220361432 patent/CN202825643U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2562325A (en) * | 2017-10-05 | 2018-11-14 | Chao Chih Liu | High torque ratchet wrench |
| GB2562325B (en) * | 2017-10-05 | 2020-02-26 | Chao Chih Liu | High torque ratchet wrench |
| TWI669195B (en) * | 2018-08-01 | 2019-08-21 | 陳志吉 | Push-button hoist |
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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: 20130327 Termination date: 20140724 |
|
| EXPY | Termination of patent right or utility model |