CN205386788U - Torque limiting handle - Google Patents
Torque limiting handle Download PDFInfo
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- CN205386788U CN205386788U CN201521107892.1U CN201521107892U CN205386788U CN 205386788 U CN205386788 U CN 205386788U CN 201521107892 U CN201521107892 U CN 201521107892U CN 205386788 U CN205386788 U CN 205386788U
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- handle
- toothholder
- connecting rod
- slip
- sealing cap
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Abstract
The utility model belongs to the technical field of packaging technique and specifically relates to a torque limiting handle, the electric iron comprises a handle, from last to being equipped with compression spring down in proper order in the hollow shell of handle, the slip toothholder, fixed toothholder, connecting rod and sealing cap, slide on slip toothholder and the handle inside wall edge handle axis direction and set up, the structure soon of preventing that has the toothholder circumferential direction that prevents to slide between slip toothholder and the handle inside wall, fixed toothholder and slip toothholder all have tooth, and the mutual interlock of its tooth, fixed toothholder and connecting rod upper portion fixed connection, the sealing cap cover is established in the connecting rod outside, and with handle lower extreme fixed connection, have in the sealing cap and prevent the restriction structure of connecting rod along the motion of handle axis direction. The utility model discloses a torque limiting handle, fixed toothholder and connecting rod fixed connection, when torsion reachd the setting value, the connecting rod drove fixed toothholder and produces idle running, extrudeed the slip toothholder simultaneously and upwards slided, and the process of contracting is accomplished back to the slip toothholder, makes torque limiting handle obtain good stability.
Description
Technical field
This utility model relates to encapsulation technology field, especially a kind of torsion restriction handle.
Background technology
Torsion restriction handle is the common tool of the securing member such as fastening nut, bolt.When assembling some vitals relating to security performance, when to screw-driving, all there is torque requiremnt.Torsion is too small, it is possible to cause that securing member loosens；Torsion is excessive, it is possible to cause the serious consequences such as securing member fracture.Therefore; existing torsion restriction handle all has fastening function; sound can be issued out in the effect of spring and toothholder when torsion arrives setting value or produce idle running; user can be known know and exceed default torque value; and do not continue to force and use; lock knot part relatively can be protected not damage because exerting a force excessive with torsion restriction handle, and can really lock knot part be screwed.
Existing torsion restriction handle is that slip toothholder is fixedly connected with the connecting rod mostly, connecting rod uses compression spring, idle running can be produced under the effect of spring and toothholder when torsion arrives setting value, simultaneously, connecting rod can have certain retraction toward handle inner, causes the instability of use procedure.Screw and steel plate are brought the impact of external force simultaneously, affects the stability of steel plate and screw.The structure of present torque handle needs to get through hole at outer surface and fixes internal toothholder, affects the sealing of torque handle, can cause that internal lubrication fat leaks.The torque value of existing torsion restriction handle is all fixing torque value, when to the screw-driving of different torsion demands, it is necessary to be equipped with the torsion restriction handle of different torque value, bring inconvenience.
Utility model content
The technical problems to be solved in the utility model is: in order to solve now existing torsion restriction handle be that slip toothholder is fixedly connected with the connecting rod mostly, connecting rod uses compression spring, idle running can be produced under the effect of spring and toothholder when torsion arrives setting value, simultaneously, connecting rod can have certain retraction toward handle inner, cause the unstable problem of use procedure, this utility model provides a kind of torsion restriction hands handle, fixing toothholder is fixedly connected with the connecting rod, when torsion arrives setting value, connecting rod drives fixing toothholder to produce idle running, extruding slip toothholder upward sliding simultaneously, slip toothholder completes retraction process, torsion restriction handle is made to obtain good stability.
This utility model solves its technical problem and be the technical scheme is that a kind of torsion restriction hands handle, including: hands handle, described handle is the hollow housing of lower ending opening, compression spring it is sequentially provided with from top to bottom in the hollow housing of described handle, slip toothholder, fixing toothholder, connecting rod and sealing cap, described slip toothholder is arranged along handle axis side's upward sliding with handle medial wall, there is between described slip toothholder and handle medial wall the anti-rotation structure preventing slip toothholder from circumferentially rotating, described fixing toothholder and slip toothholder are respectively provided with teeth, and its teeth are mutually twisted, described fixing toothholder is fixing with connecting rod top to be connected, described sealing cap is set in outside connecting rod, and fixing with handle, at its lower end be connected, there is in described sealing cap the limiting structure preventing connecting rod from moving along handle axis direction.
Specifically, described anti-rotation structure includes being arranged on some grooves of described slip toothholder sidewall and being arranged on some projections of handle medial wall and groove fit.
As preferably, described some grooves are distributed on slip toothholder sidewall.
Specifically, described fixing toothholder is connected by pin is fixing with connecting rod top.
Specifically, described connecting rod top has a step, described limiting structure includes being set in connecting rod upper step place, the clutch shaft bearing structure moved axially upward for limiting connecting rod, and be arranged between sealing cap and fixing toothholder, for limiting the second bearing arrangement of connecting rod axial downward movement.
Specifically, described clutch shaft bearing structure is arranged in big envelope and is fixed in big envelope by circlip for hole, and described clutch shaft bearing structure includes clutch shaft bearing, the second bearing, and is arranged on the lining between clutch shaft bearing and the second bearing.
Specifically, described second bearing arrangement includes thrust ball bearing and pad from top to bottom successively, and described pad is fixedly installed on big envelope upper end.
As preferably, described handle top offers the through hole that connect internal with handle hollow housing, and described through hole female thread is connected to adjustment screw, is provided with spring shim between described adjustment screw and compression spring.
As preferably, described handle afterbody is provided with a tail cap.
Specifically, it is tightly connected between described sealing cap and connecting rod, is tightly connected between described sealing cap and handle.
The beneficial effects of the utility model are: a kind of torsion restriction hands handle that this utility model provides, fixing toothholder is fixedly connected with the connecting rod, connecting rod fixes its axial jump by two deep groove ball bearings and a plane bearing and circumference is rocked, present torque handle adjusts profile of tooth and tooth depth simultaneously, ensure that when fixing toothholder relatively rotates with slip toothholder be that face contacts, simultaneously because the reduction of tooth depth is so reducing compression distance, when torsion arrives setting value, connecting rod drives fixing toothholder to produce idle running, extruding slip toothholder upward sliding simultaneously, slip toothholder completes retraction process, torsion restriction handle is made to obtain good stability；The torque value of torsion restriction handle is all that fixing torque value is adjusted by regulating screw, to adapt to the screw-driving of different torsion demand, and simple in construction, easy to use, applied widely；Present torque handle adopts internal from anti-rotation structure, it is not necessary to outside punching, and then the increase of each aperture seals structure, thoroughly solves the problem that internal lubrication fat leaks.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is the structural representation of a kind of torsion of the present utility model restriction handle.
In figure: 1. handle, 2. compression spring, 3. slip toothholder, 4. fixing toothholder, 5. connecting rod, 6. sealing cap, 7. teeth, 8. groove, 9. protruding, 10. pin, 11. steps, 12. circlip for holes, 13. clutch shaft bearing, 14. second bearings, 15. linings, 16. thrust ball bearing, 17. pads, 18. through holes, 19. adjustment screw, 20. spring shims, 21. tail cap.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the composition relevant with this utility model, and wherein F direction is upper direction, and the rightabout of F is lower direction.
As shown in Figure 1, a kind of torsion restriction hands handle, including: handle 1, handle 1 is the hollow housing of lower ending opening, compression spring 2 it is sequentially provided with from top to bottom in the hollow housing of handle 1, slip toothholder 3, fixing toothholder 4, connecting rod 5 and sealing cap 6, slide setting in slip toothholder 3 and handle 1 medial wall along handle 1 axis direction, there is between slip toothholder 3 and handle 1 medial wall the anti-rotation structure preventing slip toothholder 3 from circumferentially rotating, fixing toothholder 4 and slip toothholder 3 are respectively provided with teeth 7, and its teeth 7 are mutually twisted, fixing toothholder 4 is fixing with connecting rod 5 top to be connected, sealing cap 6 is set in outside connecting rod 5, and fixing with handle 1 lower end be connected, there is in sealing cap 6 limiting structure preventing connecting rod 5 from moving along handle 1 axis direction.
It is contemplated that, anti-rotation structure is mainly limit slippage toothholder 3 and rotates in its circumferential direction, in a kind of detailed description of the invention, anti-rotation structure can be include being arranged on some grooves 8 of slip toothholder 3 sidewall and be arranged on that handle 1 medial wall coordinates with groove 8 some protruding 9.It is of course also possible to be include being arranged on some protruding the 9 of slip toothholder 3 sidewall and be arranged on handle 1 medial wall and the protruding 9 some grooves 8 coordinated.The steel ball that its protrusions 9 can be through being embedded in around slip toothholder 3 is formed.
In order to make slip toothholder 3 to slide more smoothly, some grooves 8 are distributed on slip toothholder 3 sidewall.In this specific embodiment, groove 8 is provided with 4 groups.
As preferably, fixing toothholder 4 is connected by pin 10 is fixing with connecting rod 5 top.
In a kind of detailed description of the invention, connecting rod 5 top has a step 11, limiting structure includes being set in connecting rod 5 upper step 11 place, the clutch shaft bearing structure moved axially upward for limiting connecting rod 5, and be arranged between sealing cap 6 and fixing toothholder 4, for limiting the second bearing arrangement of connecting rod 5 axial downward movement.
Wherein, clutch shaft bearing structure is arranged in sealing cap 6 and is fixed in sealing cap 6 by circlip for hole 12, and clutch shaft bearing structure includes clutch shaft bearing the 13, second bearing 14, and is arranged on the lining 15 between clutch shaft bearing 13 and the second bearing 14.The lining 15 of clutch shaft bearing 14 and the second bearing 14 and centre is arranged, can pass through on the one hand to make connecting rod 5 remain at and handle 1 center, its axis and handle 1 axis overlap, simultaneously, clutch shaft bearing 13 is set in step 11 place of connecting rod 5, effectively limit connecting rod 5 and moves straight up；On the other hand, clutch shaft bearing 13 and the second bearing 14 are conducive to the rotation of connecting rod 5, and the torsion restriction making compression spring 2 is more accurate.In this specific embodiment, deep groove ball bearing all selected by clutch shaft bearing 13 and the second bearing 14.
Wherein, the second bearing arrangement includes thrust ball bearing 16 and pad 17 from top to bottom successively, and pad 17 is fixedly installed on sealing cap 6 upper end.Thrust ball bearing 16 1 aspect can effectively limit connecting rod 5 and move straight down, and thrust ball bearing 16 advantageously reduces the connecting rod 5 resistance when rotating on the other hand, makes the torsion restriction of compression spring 2 further accurately.
In a kind of specific embodiment, in order to regulate the compression spring 2 active force to slip toothholder 3, handle 1 top offers the through hole 18 that connect internal with handle 1 hollow housing, and through hole 18 female thread is connected to adjustment screw 19, regulates and is provided with spring shim 20 between screw 19 and compression spring 2.So when regulating screw 19 and moving downward, the active force of slip toothholder 3 is strengthened by compression spring 2, so that the torque value preset increases, to adapt to the demand of different torsion.
It is contemplated that, handle 1 is internal in order to maintain each parts not by corrosion, reduce each parts mechanical wear in use, grease up etc. is needed in the cavity of handle 1, handle 1 afterbody is provided with a tail cap 21, and tail cap 21 and handle 1 top seal connect, it is possible to make the internal environment being maintained at opposing seal of handle 1, it is prevented that grease is revealed.In like manner, it is tightly connected between sealing cap 6 and connecting rod 5, is tightly connected between sealing cap 6 and handle 1.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (10)
- null1. a torsion restriction handle，It is characterized in that including: handle (1)，The hollow housing that described handle (1) is lower ending opening，Compression spring (2) it is sequentially provided with from top to bottom in the hollow housing of described handle (1)、Slip toothholder (3)、Fixing toothholder (4)、Connecting rod (5) and sealing cap (6)，Slide setting in described slip toothholder (3) and handle (1) medial wall along handle (1) axis direction，There is between described slip toothholder (3) and handle (1) medial wall the anti-rotation structure preventing slip toothholder (3) from circumferentially rotating，Described fixing toothholder (4) and slip toothholder (3) are respectively provided with teeth (7)，And its teeth (7) are mutually twisted，Described fixing toothholder (4) is fixing with connecting rod (5) top to be connected，Described sealing cap (6) is set in connecting rod (5) outside、And fixing with handle (1) lower end be connected，There is in described sealing cap (6) limiting structure preventing connecting rod (5) from moving along handle (1) axis direction.
- 2. a kind of torsion restriction handle as claimed in claim 1, it is characterised in that: described anti-rotation structure includes being arranged on some grooves (8) of described slip toothholder (3) sidewall and being arranged on some projections (9) that handle (1) medial wall coordinates with groove (8).
- 3. a kind of torsion restriction handle as claimed in claim 2, it is characterised in that: described some grooves (8) are distributed on slip toothholder (3) sidewall.
- 4. a kind of torsion restriction handle as claimed in claim 1, it is characterised in that: described fixing toothholder (4) is connected by pin (10) is fixing with connecting rod (5) top.
- 5. a kind of torsion restriction handle as claimed in claim 1, it is characterized in that: described connecting rod (5) top has a step (11), described limiting structure includes being set in connecting rod (5) upper step (11) place, is used for limiting the clutch shaft bearing structure that connecting rod (5) is moved axially upward, and is arranged between sealing cap (6) and fixing toothholder (4), is used for limiting the second bearing arrangement of connecting rod (5) axial downward movement.
- 6. a kind of torsion restriction handle as claimed in claim 5, it is characterized in that: described clutch shaft bearing structure is arranged in sealing cap (6) and is fixed in sealing cap (6) by circlip for hole (12), described clutch shaft bearing structure includes clutch shaft bearing (13), the second bearing (14), and is arranged on the lining (15) between clutch shaft bearing (13) and the second bearing (14).
- 7. a kind of torsion restriction handle as claimed in claim 5, it is characterized in that: described second bearing arrangement includes thrust ball bearing (16) and pad (17) from top to bottom successively, and described pad (17) is fixedly installed on sealing cap (6) upper end.
- 8. a kind of torsion restriction handle as claimed in claim 1, it is characterized in that: described handle (1) top offers the through hole (18) that connect internal with handle (1) hollow housing, described through hole (18) female thread is connected to adjustment screw (19), is provided with spring shim (20) between described adjustment screw (19) and compression spring (2).
- 9. a kind of torsion restriction handle as claimed in claim 8, it is characterised in that: described handle (1) afterbody is provided with a tail cap (21).
- 10. a kind of torsion restriction handle as claimed in claim 1, it is characterised in that: it is tightly connected between described sealing cap (6) and connecting rod (5), is tightly connected between described sealing cap (6) and handle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107892.1U CN205386788U (en) | 2015-12-28 | 2015-12-28 | Torque limiting handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521107892.1U CN205386788U (en) | 2015-12-28 | 2015-12-28 | Torque limiting handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205386788U true CN205386788U (en) | 2016-07-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521107892.1U Active CN205386788U (en) | 2015-12-28 | 2015-12-28 | Torque limiting handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205386788U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175907A (en) * | 2016-08-31 | 2016-12-07 | 天津正天医疗器械有限公司 | Attribute torque handle |
| CN107351007A (en) * | 2017-08-21 | 2017-11-17 | 王祥樟 | A kind of variable torsion electric screw driver |
| CN107900988A (en) * | 2017-12-15 | 2018-04-13 | 南京鑫业诚机器人科技有限公司 | A kind of anti-convolution transmission handwheel group |
| CN114393539A (en) * | 2021-12-16 | 2022-04-26 | 芜湖锐进医疗设备有限公司 | Torque wrench with preset torque value |
| TWI823600B (en) * | 2022-10-06 | 2023-11-21 | 海瑞特股份有限公司 | Torque limiting device |
-
2015
- 2015-12-28 CN CN201521107892.1U patent/CN205386788U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106175907A (en) * | 2016-08-31 | 2016-12-07 | 天津正天医疗器械有限公司 | Attribute torque handle |
| CN106175907B (en) * | 2016-08-31 | 2020-10-20 | 天津正天医疗器械有限公司 | Counting type torsion handle |
| CN107351007A (en) * | 2017-08-21 | 2017-11-17 | 王祥樟 | A kind of variable torsion electric screw driver |
| CN107900988A (en) * | 2017-12-15 | 2018-04-13 | 南京鑫业诚机器人科技有限公司 | A kind of anti-convolution transmission handwheel group |
| CN114393539A (en) * | 2021-12-16 | 2022-04-26 | 芜湖锐进医疗设备有限公司 | Torque wrench with preset torque value |
| CN114393539B (en) * | 2021-12-16 | 2024-02-20 | 芜湖锐进医疗设备有限公司 | Torsion spanner with preset torsion value |
| TWI823600B (en) * | 2022-10-06 | 2023-11-21 | 海瑞特股份有限公司 | Torque limiting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee before: CHANGZHOU WASTON MEDICAL APPLIANCE Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 213000 No.5 Longxiang Road, Nanxiashu street, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee after: Changzhou Huasen Medical Instrument Co.,Ltd. Address before: 213164 West Lake Road, Wujin high tech Zone, Changzhou, Jiangsu, 9 Patentee before: Changzhou Huasen Medical Instrument Co.,Ltd. |