CN204113852U - torque resistant nut - Google Patents
torque resistant nut Download PDFInfo
- Publication number
- CN204113852U CN204113852U CN201420543709.1U CN201420543709U CN204113852U CN 204113852 U CN204113852 U CN 204113852U CN 201420543709 U CN201420543709 U CN 201420543709U CN 204113852 U CN204113852 U CN 204113852U
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- CN
- China
- Prior art keywords
- adapter sleeve
- hold
- down ring
- torque resistant
- sleeve
- 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 kind of torque resistant nut, its drip irrigation device be comprise adapter sleeve, be sheathed on the rotary sleeve outside adapter sleeve and be sheathed on adapter sleeve outer and to conflict the hold-down ring be connected with rotary sleeve one end; Described adapter sleeve is threaded with rotary sleeve; Binding thread is equipped with in described adapter sleeve; Rotation prevention portion is provided with, for preventing relatively rotating between hold-down ring and adapter sleeve between described hold-down ring and adapter sleeve; Described hold-down ring is axially connected with adapter sleeve slippage along adapter sleeve; Described nut also comprises locking device, for preventing relatively rotating between rotary sleeve and hold-down ring, reach and avoid torque resistant nut and the pivoting friction be connected between component when tightening torque resistant nut, reducing torque resistant nut and the wearing and tearing being connected component, reducing the effect of the torque force that torque resistant nut produces when tightening simultaneously.
Description
Technical field
The utility model relates to a kind of fastening piece, and more particularly, it relates to a kind of torque resistant nut.
Background technique
Torque resistant nut, also known as nut, is used for the part played the role of fastening with bolt or screw rod together with being screwed in, be the part got up by machinery compact siro spinning technology, by the screw thread of inner side, equivalent specifications torque resistant nuts and bolt just can link together.
At present, application number be 201220437282.8 Chinese patent disclose a kind of torque resistant nut, it comprises main body, it is characterized in that, the inside of main body axially includes the first sleeve, binding thread and the second sleeve from top to bottom along it, the inner wall smooth of the first sleeve and described second sleeve, binding thread inwall is screw thread.Although this torque resistant nut can prevent from being connected between component, and dislocation friction occurs, thus effectively avoid the wearing and tearing being connected component, but in rundown process, torque resistant nut still can contact spin friction with being connected component, this antagonism torque nut be connected component and all cause wearing and tearing to a certain degree, and the moment of torsion that this torque resistant nut produces when in the end tightening is comparatively large, and produce moment of torsion at bolt or screw rod, reduce the working life of bolt and screw rod.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of anti-abrasion and the torque resistant nut that can reduce moment of torsion.
For achieving the above object, the utility model provides following technological scheme: a kind of torque resistant nut, comprises adapter sleeve, is sheathed on the rotary sleeve outside adapter sleeve and is sheathed on adapter sleeve outer and to conflict the hold-down ring be connected with rotary sleeve one end;
Described adapter sleeve is threaded with rotary sleeve;
The madial wall of described adapter sleeve is provided with binding thread;
Described nut also comprises locking device, for preventing relatively rotating between rotary sleeve and hold-down ring.
By adopting technique scheme, bolt is through the binding thread in adapter sleeve, rotate rotary sleeve, rotary sleeve drives the adapter sleeve be threaded with it to rotate, adapter sleeve and bolt relatively rotate, realize tentatively tightening, when adapter sleeve turns to a certain degree, screw thread clamping between adapter sleeve and bolt, be rotated further rotary sleeve, adapter sleeve and rotary sleeve relatively rotate, rotary sleeve is in rotary moving, promote to move to being connected component with the hold-down ring conflicted in rotary sleeve one end simultaneously, adapter sleeve is impelled to pull bolt oppositely movement, realize tightening further of bolt and torque resistant nut, this addresses the problem originally torque resistant nut and the pivoting friction be connected between component and produce the problem of grinding and connecting component and torque resistant nut and wearing and tearing, also solve the moment of torsion produced when torque resistant nut is in the end tightened larger simultaneously, the problem of easy damage bolt or screw rod, reach and avoid torque resistant nut and the pivoting friction be connected between component when tightening torque resistant nut, reduce torque resistant nut and the wearing and tearing being connected component, reduce the effect of the torque force that torque resistant nut produces when tightening simultaneously, by locking device by rotary sleeve and hold-down ring locking, prevent rotary sleeve from turning round and cause nut loosening.
The utility model is set to further: described rotary sleeve is installed with annular ear relative to one end of hold-down ring, and described locking device comprises the multiple wedge-shaped blockss, non-return block and the elastic component that are installed in annular ear madial wall;
Multiple described wedge-shaped blocks joins end to end in the form of a ring, the outer side wall of described hold-down ring offers slippage slot, described non-return block is connected in slippage slot along hold-down ring radial slippage, the sphenoid surface of described non-return block one end and wedge-shaped blocks is conflicted, the other end is conflicted and is connected with elastic component, and the other end of described elastic component is conflicted with the madial wall of slippage slot and is connected.
By adopting technique scheme, time rotary sleeve rotates, the annular ear being fixedly arranged on rotary sleeve is driven to rotate, thus drive the wedge-shaped blocks being fixedly arranged on annular ear madial wall to rotate, non-return block slips over from the sphenoid surface of wedge-shaped blocks, then embeds in the groove between adjacent two wedge-shaped blockss, prevents rotary sleeve from turning round, realize the locking of nut, prevent nut loosening.
The utility model is set to further: be provided with rotation prevention portion between described hold-down ring and adapter sleeve, relatively rotates between hold-down ring and adapter sleeve for preventing; Described hold-down ring is axially connected with adapter sleeve slippage along adapter sleeve.
By adopting technique scheme, when rotary sleeve is tightened, meeting between rotary sleeve and hold-down ring produces kinetic friction, along with tightening of rotary sleeve, pressure increase, frictional force increases thereupon, when frictional force increases to a certain degree time, rotary sleeve can drive hold-down ring to rotate together, hold-down ring will be made like this and connect between component to produce kinetic friction, hold-down ring will be made and be connected component and all cause wearing and tearing, the setting of rotation prevention portion makes rotary sleeve that hold-down ring can not be driven to rotate, only can along adapter sleeve radial slippage, such hold-down ring and the kinetic friction connected between component will reduce greatly, the wearing and tearing reducing hold-down ring and connect between component, improve the working life connecting component and antifriction nut.
The utility model is set to further: described rotation prevention portion comprises anti-rotation block and spline groove, and described anti-rotation block matches with spline groove, and described anti-rotation block is integrally formed at hold-down ring madial wall, and described spline groove is placed in adapter sleeve outer side wall.
By adopting technique scheme, anti-rotation block snaps in spline groove to prevent from relatively rotating between hold-down ring and adapter sleeve, and structure is simple, and machine shaping is easy and spline is effective.
The utility model is set to further: described rotation prevention portion comprises anti-rotation block and spline groove, and described anti-rotation block matches with spline groove, and described anti-rotation block is integrally formed at adapter sleeve outer side wall, and described spline groove is placed in hold-down ring madial wall.
By adopting technique scheme, anti-rotation block snaps in spline groove to prevent from relatively rotating between hold-down ring and adapter sleeve, and structure is simple, and machine shaping is easy and spline is effective.
The utility model is set to further: described anti-rotation block and spline grooved ring are provided with multiple.
By adopting technique scheme, multiple anti-rotation block and spline groove are set, further enhance the effect of spline, when damaging appears in one of them anti-rotation block and spline groove, other anti-rotation block and spline groove also can carry out the fixing effect of spline, and structure is simple, be easy to machine shaping, spline is effective.
The utility model is set to further: described rotary sleeve overcoat is intrinsic tightens cover, described in tighten cover cross section be regular polygon.
By adopting technique scheme, the intrinsic cross section of rotary sleeve overcoat be regular polygon tighten cover, can convenient wrench etc. instrument is clamping tightens.
The utility model is set to further: described in tighten cover cross section be regular hexagon.
By adopting technique scheme, the cross section tightening cover is regular hexagon, because hexagonal structure comparison is stablized, contributes to the uniform force when tightening, and not easily twists bad selvedge angle.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the utility model torque resistant nut;
Fig. 2 is the structural representation of the nut of torque resistant shown in Fig. 1;
Fig. 3 looks up structural representation for the nut of torque resistant shown in Fig. 1;
The plan structure schematic diagram tightening cover that Fig. 4 is the nut of torque resistant shown in Fig. 1;
Fig. 5 is the structural representation of the rotation prevention portion of the first mode of execution of the nut of torque resistant shown in Fig. 1;
Fig. 6 is the structural representation of the rotation prevention portion of the second mode of execution of the nut of torque resistant shown in Fig. 1.
Reference character: 1, adapter sleeve; 11, binding thread; 2, rotary sleeve; 21, annular ear; 3, hold-down ring; 31, slippage slot; 311, non-return block; 312, elastic component; 4, rotation prevention portion; 41, anti-rotation block; 42, spline groove; 5, cover is tightened; 6, wedge-shaped blocks.
Embodiment
Referring to figs. 1 through Fig. 6, the utility model torque resistant nut embodiment is described further.
Torque resistant nut as shown in Figure 1, comprise adapter sleeve 1, be sheathed on the rotary sleeve 2 outside adapter sleeve 1 and be sheathed on the outer and hold-down ring 3 be flexibly connected with rotary sleeve 2 one end of adapter sleeve 1, three is circular, and concentric is arranged, the madial wall of rotary sleeve 2 is provided with internal thread, the outer side wall of adapter sleeve 1 is provided with the outside thread matched with rotary sleeve 2 internal thread, rotary sleeve 2 is connected by internal and external threads with adapter sleeve 1, the madial wall of adapter sleeve 1 is provided with the screw rod that to fall with bolt and matches internal thread, when rotating rotary sleeve 2, rotary sleeve 2 is in rotary moving, conflict is set in adapter sleeve 1 one end hold-down ring 3, promote hold-down ring 3 to move, bolt is through the binding thread 11 in adapter sleeve 1, rotate rotary sleeve 2, rotary sleeve 2 drives the adapter sleeve 1 be threaded with it to rotate, adapter sleeve 1 and bolt relatively rotate, realize tentatively tightening, when adapter sleeve 1 turns to a certain degree, screw thread between adapter sleeve 1 and bolt clamps, be rotated further rotary sleeve 2, adapter sleeve 1 and rotary sleeve 2 relatively rotate, rotary sleeve 2 is in rotary moving, promote to move to being connected component with the hold-down ring 3 conflicted in rotary sleeve 2 one end simultaneously, adapter sleeve 1 is impelled to pull bolt oppositely movement, realize tightening further of bolt and torque resistant nut.
Torque resistant nut as shown in Figure 1, also comprises rotation prevention portion 4, and rotation prevention portion 4 relatively rotates between hold-down ring 3 and adapter sleeve 1 for preventing, as shown in Figure 5 and Figure 6 be two kinds of mode of executions of rotation prevention portion 4.
As shown in Figure 5 be the rotation prevention portion 4 of the first mode of execution, comprise the anti-rotation block 41 that is integrally formed at hold-down ring 3 madial wall and be opened in adapter sleeve 1 outer side wall and the spline groove 42 matched with anti-rotation block, anti-rotation block 41 snaps in spline groove 42 to prevent from relatively rotating between hold-down ring 3 and adapter sleeve 1, spline groove 42 is elongated, and be parallel to the setting of adapter sleeve 1 central shaft, anti-rotation block 41 and spline groove 42 are provided with multiple around adapter sleeve 1 central shaft, and be evenly distributed, multiple anti-rotation block 41 and spline groove 42 are set, further enhance the effect of spline, when damaging appears in one of them anti-rotation block 41 and spline groove 42, other anti-rotation block 41 and spline groove 42 also can carry out the fixing effect of spline, and structure is simple, be easy to machine shaping, spline is effective.
As shown in Figure 6 be the rotation prevention portion 4 of the first mode of execution, comprise the anti-rotation block 41 that is integrally formed at adapter sleeve 1 outer side wall and be opened in hold-down ring 3 madial wall and the spline groove 42 matched with anti-rotation block, anti-rotation block 41 snaps in spline groove 42 to prevent from relatively rotating between hold-down ring 3 and adapter sleeve 1, spline groove 42 is elongated, and be parallel to the setting of adapter sleeve 1 central shaft, anti-rotation block 41 and spline groove 42 are provided with multiple around adapter sleeve 1 central shaft, and be evenly distributed, multiple anti-rotation block 41 and spline groove 42 are set, further enhance the effect of spline, when damaging appears in one of them anti-rotation block 41 and spline groove 42, other anti-rotation block 41 and spline groove 42 also can carry out the fixing effect of spline, and structure is simple, be easy to machine shaping, spline is effective.
Multiple wedge-shaped blockss 7 as shown in Figure 3 join end to end and are located on the madial wall of rotary sleeve 2 relative to the annular ear 21 of hold-down ring 3 one end, the outer side wall of hold-down ring 3 offers slippage slot 31, slippage slot 31 slippage is connected with non-return block 311, the sphenoid surface of non-return block 311 one end and wedge-shaped blocks 6 is conflicted, the other end is conflicted and is connected with elastic component 312, the other end of elastic component 312 is conflicted with the madial wall of slippage slot 31 and is connected, due to the shrinkage of spring and recoverability, all tool is good, so the utility model selects spring as elastic component 312, wedge-shaped blocks 6 can be wholely set with annular ear 21, also can separate machined be fixed by the mode of welding, from the angle of machine shaping, integrated difficulty of processing is larger, so the utility model is preferably fixedly connected with by the mode of welding with separating independent machine shaping again, time rotary sleeve 2 rotates, the annular ear 21 being fixedly arranged on rotary sleeve 2 is driven to rotate, thus drive wedge-shaped blocks 6 to rotate, non-return block 311 slips over from the sphenoid surface of wedge-shaped blocks 6, then embed in the groove between adjacent two wedge-shaped blockss 6, prevent rotary sleeve 2 from turning round, realize the locking of nut, prevent nut loosening.
As shown in Figure 4 be tighten cover 5, the cross section tightening cover 5 can be multiple regular polygon, as square, regular hexagon, octagon etc., because hexagonal structure comparison is stablized, contributing to the uniform force when tightening, not easily twisting bad selvedge angle, so the cross section tightening cover 5 of the utility model torque resistant nut preferably uses regular hexagon, tighten cover 5 arrange can convenient wrench etc. instrument is clamping tightens, tightening cover 5 can be fixedly connected with rotary sleeve 2 by the mode of welding.
Working procedure: bolt is through the binding thread 11 in adapter sleeve 1, cover 6 is tightened in rotation, tighten cover 5 and drive the rotary sleeve 2 welded with it, rotary sleeve 2 drives the adapter sleeve 1 be threaded with it to rotate, adapter sleeve 1 and bolt relatively rotate, realize tentatively tightening, when adapter sleeve 1 turns to a certain degree, screw thread between adapter sleeve 1 and bolt clamps, be rotated further rotary sleeve 2, adapter sleeve 1 and rotary sleeve 2 relatively rotate, rotary sleeve 2 is in rotary moving, promote to move to being connected component with the hold-down ring 3 conflicted in rotary sleeve 2 one end simultaneously, adapter sleeve 1 is impelled to pull bolt oppositely movement, realize tightening further of bolt and antifriction nut, in this rundown process, time rotary sleeve 2 rotates, the annular ear 21 being fixedly arranged on rotary sleeve 2 is driven to rotate, thus drive wedge-shaped blocks 6 to rotate, non-return block 311 slips over from the sphenoid surface of wedge-shaped blocks 6, then embed in the groove between adjacent two wedge-shaped blockss 6, prevent rotary sleeve 2 from turning round, realize the locking of nut, prevent nut loosening.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a torque resistant nut, is characterized in that: comprise adapter sleeve, be sheathed on the rotary sleeve outside adapter sleeve and be sheathed on adapter sleeve outer and to conflict the hold-down ring be connected with rotary sleeve one end;
Described adapter sleeve is threaded with rotary sleeve;
The madial wall of described adapter sleeve is provided with binding thread;
Described nut also comprises locking device, for preventing relatively rotating between rotary sleeve and hold-down ring.
2. torque resistant nut according to claim 1, is characterized in that: described rotary sleeve is installed with annular ear relative to one end of hold-down ring, and described locking device comprises the multiple wedge-shaped blockss, non-return block and the elastic component that are installed in annular ear madial wall;
Multiple described wedge-shaped blocks joins end to end in the form of a ring, and the outer side wall of described hold-down ring offers slippage slot, and described slippage slot is arranged along adapter sleeve radial direction, and the slippage of described non-return block is connected in slippage slot;
The sphenoid surface of described non-return block one end and wedge-shaped blocks is conflicted, and the other end is conflicted and is connected with elastic component, and the other end of described elastic component is conflicted with the madial wall of slippage slot and is connected.
3. torque resistant nut according to claim 1 and 2, is characterized in that: be provided with rotation prevention portion between described hold-down ring and adapter sleeve, relatively rotates between hold-down ring and adapter sleeve for preventing;
Described hold-down ring is axially connected with adapter sleeve slippage along adapter sleeve.
4. torque resistant nut according to claim 3, is characterized in that: described rotation prevention portion comprises anti-rotation block and spline groove, and described anti-rotation block matches with spline groove, and described anti-rotation block is integrally formed at hold-down ring madial wall, and described spline groove is placed in adapter sleeve outer side wall.
5. torque resistant nut according to claim 3, is characterized in that: described rotation prevention portion comprises anti-rotation block and spline groove, and described anti-rotation block matches with spline groove, and described anti-rotation block is integrally formed at adapter sleeve outer side wall, and described spline groove is placed in hold-down ring madial wall.
6. the torque resistant nut according to claim 4 or 5, is characterized in that: described anti-rotation block and spline grooved ring are provided with multiple.
7. torque resistant nut according to claim 1 and 2, is characterized in that: described rotary sleeve overcoat is intrinsic tightens cover, described in tighten cover cross section be regular polygon.
8. torque resistant nut according to claim 7, is characterized in that: described in tighten cover cross section be regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543709.1U CN204113852U (en) | 2014-09-20 | 2014-09-20 | torque resistant nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543709.1U CN204113852U (en) | 2014-09-20 | 2014-09-20 | torque resistant nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113852U true CN204113852U (en) | 2015-01-21 |
Family
ID=52331165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543709.1U Expired - Fee Related CN204113852U (en) | 2014-09-20 | 2014-09-20 | torque resistant nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108932034A (en) * | 2018-06-26 | 2018-12-04 | 芜湖广智天和信息技术有限公司 | A kind of fixed locking gear of computer motherboard |
| CN109964674A (en) * | 2017-12-28 | 2019-07-05 | 天津市天龙得冷成型部件有限公司 | Waterproof garden shear scissors shaft |
| CN112727890A (en) * | 2020-12-22 | 2021-04-30 | 浦江武鑫科技有限公司 | Fixed torque nut assembly |
-
2014
- 2014-09-20 CN CN201420543709.1U patent/CN204113852U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109964674A (en) * | 2017-12-28 | 2019-07-05 | 天津市天龙得冷成型部件有限公司 | Waterproof garden shear scissors shaft |
| CN108932034A (en) * | 2018-06-26 | 2018-12-04 | 芜湖广智天和信息技术有限公司 | A kind of fixed locking gear of computer motherboard |
| CN112727890A (en) * | 2020-12-22 | 2021-04-30 | 浦江武鑫科技有限公司 | Fixed torque nut assembly |
| CN112727890B (en) * | 2020-12-22 | 2022-06-17 | 浙江腾优科技有限公司 | Fixed torque nut assembly |
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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: 20150121 Termination date: 20150920 |
|
| EXPY | Termination of patent right or utility model |