CN201599297U - Fixed torque nut - Google Patents
Fixed torque nut Download PDFInfo
- Publication number
- CN201599297U CN201599297U CN2009203193710U CN200920319371U CN201599297U CN 201599297 U CN201599297 U CN 201599297U CN 2009203193710 U CN2009203193710 U CN 2009203193710U CN 200920319371 U CN200920319371 U CN 200920319371U CN 201599297 U CN201599297 U CN 201599297U
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- falling
- flanges
- locking piece
- wall
- boss
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- 230000007704 transition Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a fixed torque nut which comprises an annular locking piece and an annular driving piece; the driving piece is mounted above the locking piece; a thread is arranged on the inner wall of the locking piece; an anti-loosening upper flange or a plurality of anti-loosening upper flanges is or are arranged on the top periphery of the outer wall of the locking piece; an anti-loosening lower flange or a plurality of anti-loosening lower flanges hooked with the anti-loosening upper flanges is or are arranged on the bottom periphery of the inner wall of the driving piece; the anti-loosening lower flanges and the anti-loosening upper flanges of the locking piece are coordinated to connect the driving piece with the locking piece; the top end of the locking piece is provided with a plurality of limit upper lug bosses; a lower circumferential surface for wrapping the top end surface of the locking piece is arranged on top of the inner wall of the driving piece, and the a plurality of elastic lower lug bosses are arranged on the lower circumferential surface; the two side walls of the elastic lower lug bosses are respectively supported on the two side walls of the limit upper lug bosses so that the driving piece can drive the locking piece to carry out locking or unscrewing. The fixed torque nut has ingenious design, simple structure, convenient operation and reliable action.
Description
Technical Field
The utility model relates to a certain torque nut especially relates to a can prevent that the tooth line of nut from taking place the fixed torque nut of smooth tooth phenomenon.
Background
In some products, a nut is usually required to be matched with a screw or bolt to lock some parts in the products. The prior art nut is generally a separate object with threads on the inner wall, while the outer wall of the nut has a circular shape and also a polygonal shape; however, regardless of the shape of the outer tube wall of the nut, when the external torque is large, the nut is easy to generate the phenomenon of thread sliding, so that the nut is damaged or the accompanying screw or bolt is damaged, even the fastened object is damaged, and the waste of resources is caused.
Novel content
An object of the utility model is to overcome prior art not enough, provide a decide torque nut, it includes a retaining member and driving piece to set up an elastic draw bail between retaining member and driving piece, make under the too big condition of torsion, can take place relative rotation between driving piece and the retaining member, thereby make the insection of retaining member can not take place the phenomenon of smooth tooth.
The utility model provides a technical scheme that its technical problem adopted is: a fixed torque nut comprises an annular locking piece and an annular driving piece; the driving piece is arranged above the locking piece; the inner wall of the locking piece is provided with a tooth pattern; one or more anti-falling upper flanges are arranged on the outer wall of the locking piece; one or more anti-falling lower flanges which can be hooked with the anti-falling upper flanges are arranged on the inner wall of the driving piece; the anti-falling lower flange is matched with the anti-falling upper flange of the locking piece so that the driving piece and the locking piece can be mutually connected; the top end of the locking piece is provided with a plurality of limiting upper bosses; the top of the inner wall of the driving piece is provided with a lower ring circumferential surface used for coating the top end surface of the locking piece, and the lower ring circumferential surface is provided with a plurality of elastic lower bosses; the two side walls of the elastic lower lug boss abut against the two side walls of the limiting upper lug boss respectively so that the driving piece can drive the locking piece to lock or retreat the teeth.
The anti-falling upper flange is arranged on the top peripheral edge of the outer wall of the locking piece; the anti-falling lower flange is arranged on the bottom periphery of the inner wall of the driving piece.
The anti-falling upper flange is one; the top peripheral edge of the anti-drop upper flange is in fillet or chamfer transition; the anti-falling flange is one; the bottom periphery of the anti-falling upper flange is in fillet or chamfer transition.
The anti-falling upper flanges are multiple; a first mounting gap which is used for enabling the anti-falling upper flanges to be mutually separated and can accommodate the anti-falling lower flanges to be embedded is arranged among the anti-falling upper flanges; the anti-falling flanges are multiple; and a second mounting gap which is used for separating the anti-falling lower flanges from each other and accommodating the embedding of the anti-falling upper flanges is arranged among the anti-falling lower flanges.
The bottom of the first mounting notch is provided with an anti-falling rib which can buckle the anti-falling lower flange and is connected with the bottom side walls of two adjacent anti-falling upper flanges.
The limiting upper boss is arranged on the top end surface above the first mounting notch; the elastic lower lug boss is arranged on the lower circumferential surface corresponding to the upper part of the second mounting notch.
The bottom of the first mounting notch is provided with an anti-falling rib which can buckle the anti-falling lower flange and is connected with the bottom side walls of two adjacent anti-falling upper flanges.
A slope surface is arranged on one side wall of the limit upper boss, and the top of the slope surface and the top end edge of the limit upper boss are in fillet or chamfer transition; the other side wall of the limit upper boss is set to be a vertical surface.
The bottom of one side wall of the elastic lower lug boss, which is abutted against the slope surface of the limiting upper lug boss, is set to be in fillet or chamfer transition; the other side wall of the elastic lower boss is set as a vertical surface.
The peripheral surface of the lower ring is an elastic surface.
And two handles for rotating the nuts are respectively arranged on two sides of the outer wall of the driving piece.
The utility model has the advantages that: the fixed torque nut is composed of a locking piece and a driving piece, and the driving piece is provided with a handle for locking the nut, so that the fixed torque nut is convenient to operate; because the locking piece and the driving piece are respectively provided with the anti-disengaging upper flange and the anti-disengaging lower flange which can be mutually hooked, and when the anti-disengaging upper flange and the anti-disengaging lower flange are respectively provided with one, the anti-disengaging upper flange and the anti-disengaging lower flange are also respectively provided with a fillet or chamfer structure which plays a role in guiding, the operation of mutually hooking the anti-disengaging upper flange and the anti-disengaging lower flange is very convenient; when the anti-falling upper flange and the anti-falling lower flange are respectively provided with a plurality of anti-falling upper flanges and anti-falling lower flanges, a first mounting notch and a second mounting notch which play a role in separation are respectively arranged between the anti-falling upper flanges and the anti-falling lower flanges, and anti-falling ribs are respectively arranged at the bottoms of the first mounting notches, so that the driving piece is not easy to separate from the locking piece no matter the locking piece is in a working state of locking teeth or withdrawing teeth or in a non-working state, namely, the driving piece is not easy to lose, and materials for manufacturing the locking piece are further saved; because be equipped with boss and elasticity down in the spacing boss of going up of mutually supporting respectively on retaining member and driving piece, and a lateral wall of boss establishes to the slope that has fillet or chamfer on this spacing, another lateral wall of boss establishes to the perpendicular on this spacing, and simultaneously, a lateral wall bottom of boss establishes to fillet or chamfer structure under the elasticity, another lateral wall of boss is established to the perpendicular under the elasticity, make this driving piece can be when torsion is too big, its elasticity boss takes place elastic deformation and follows the slope of boss and slide, thereby can avoid the insection of retaining member to take place the condition of smooth tooth. To sum up, the utility model has the characteristics of design benefit, simple structure, convenient operation, action are reliable etc.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a schematic perspective view of a locking member according to the present invention;
FIG. 2 is a top view of a retaining member of the present invention according to one embodiment;
fig. 3 is a schematic perspective view of a driving member according to an embodiment of the present invention;
fig. 4 is a bottom view of a driving member according to the first embodiment of the present invention;
fig. 5 is a state diagram of the locking teeth according to the first embodiment of the present invention;
fig. 6 is a view illustrating a tooth-releasing state according to the first embodiment of the present invention;
FIG. 7 is a schematic perspective view of a locking member according to the second embodiment of the present invention;
fig. 8 is a schematic perspective view of a driving member according to a second embodiment of the present invention.
Detailed Description
In a first embodiment, please refer to fig. 1 to 4, the constant torque nut of the present invention includes an annular locking member 1 and an annular driving member 2; the driving piece 2 is arranged above the locking piece 1; the inner wall of the locking piece 1 is provided with a tooth pattern 11 which is matched with a screw rod or a screw and the like; a handle 25 is respectively arranged on two sides of the outer wall of the driving piece 2; the top periphery of the outer wall of the locking piece 1 is provided with three anti-falling upper flanges 12, and the three anti-falling upper flanges 12 are separated from each other by three first mounting notches 13; the bottom periphery of the inner wall of the driving element 2 is provided with three anti-falling lower flanges 21 which can be hooked with the anti-falling upper flanges 12, and the three anti-falling lower flanges 21 are separated from each other by three second mounting notches 22; the anti-drop lower flange 21 is matched with the anti-drop upper flange 12 of the locking piece 1 so as to couple the driving piece 2 and the locking piece 1; a limiting upper boss 14 is respectively arranged at the top end of the locking piece 1 corresponding to the upper parts of the three first mounting notches 13; the top of the inner wall of the driving part 2 is provided with a lower circumferential surface 23 for covering the top end surface of the locking part 2, and a plurality of elastic lower bosses 24 are respectively arranged on the lower circumferential surface 23 corresponding to the upper parts of the plurality of second mounting notches 22; the two side walls of the elastic lower boss 24 are respectively abutted against the two side walls of the limiting upper boss 14 so that the driving part 2 can drive the locking part 1 to lock or retreat the teeth.
Wherein,
the bottom of the first mounting gap 13 is provided with an anti-falling rib 131 which can buckle the anti-falling lower flange 21 and is connected with the side walls of the bottoms of two adjacent anti-falling upper flanges 12;
a slope surface 141 is arranged on one side wall of the limit upper boss 14, and the top of the slope surface 141 and the top end edge of the limit upper boss 14 form a round angle transition, as shown in 142 in fig. 1; the other side wall of the upper limit boss 14 is set as a vertical surface 143;
the bottom of a side wall of the elastic lower boss 24 abutting against the slope surface 141 of the limit upper boss 14 is designed to be in fillet transition, as shown by 241 in fig. 3; the other side wall of the elastic lower boss 24 is provided with a vertical surface 242;
the lower circumferential surface 23 is an elastic surface.
The utility model discloses a decide torque nut compares with prior art's nut, because it comprises retaining member 1 and driving piece 2 for this decides torque nut's rotating operation is comparatively convenient, if, after retaining member 1 has been assembled with driving piece 2, people only need bare-handed rotating driving piece 2's handle 25, can make driving piece 2 drive retaining member 1 rotate and realize mutually supporting of this retaining member 1 and screw rod or screw etc.. The locking piece 1 and the driving piece 2 are assembled in the following way; firstly, aligning the three anti-falling flanges 21 of the driving member 2 with the three first mounting notches 13 of the locking member 1 one by one, then slightly pressing the driving member 2 downwards with force by hand, so that the anti-falling flanges 21 move downwards and buckle the anti-falling ribs 131 of the locking member 1, and finally rotating the driving member 2 to enable the anti-falling flanges 21 to rotate to the lower part of the anti-falling upper flanges 12 of the locking member 1 and be hooked with the anti-falling upper flanges 12. Because the bottom of the first installation notch 13 of the locking member 1 is provided with the anti-falling rib 131, when the anti-falling lower flange 21 of the driving member 2 rotates to the lower side of the first installation notch 13, the anti-falling lower flange 21 is clamped by the anti-falling rib 131 and cannot be easily separated from the locking member 1, so that the locking member 1 or the driving member 2 can be prevented from being lost carelessly.
The utility model discloses a decide torque nut, its lock tooth process please see that figure 5 shows: clockwise rotating the driving member 2 to make one side wall with a fillet structure in the elastic lower boss 24 of the driving member 2 abut against the slope surface 141 of the limiting upper boss 14 of the locking member 1; continuing to rotate the driving member 2 clockwise, the elastic lower boss 24 of the driving member 2 will push the limiting upper boss 14 of the locking member 1 to move, thereby driving the locking member 1 to realize the tooth locking process. When the external torsion that applies in driving piece 1 is too big, because boss 24 and the global 23 of ring all have certain elasticity down of driving piece 2's elasticity, and boss 14 is equipped with slope and fillet structure on the spacing of retaining member 1, boss 24 is equipped with fillet structure under driving piece 2's the elasticity, make boss 24 will be under the effect of big torsion under driving piece 2's elasticity, the peripheral 23 of ring takes place elastic deformation and crosses boss 14 on the spacing along the slope 141 of boss 14 on the spacing and fillet under the drive, thereby make this driving piece 2 can not drive retaining member 1 and rotate under the effect of big torsion, and then can avoid retaining member 1's insection 11 to take place the phenomenon of smooth tooth.
The utility model discloses a decide torque nut, its tooth process that moves back please see that fig. 6 shows: rotating the driving member 2 counterclockwise to make the vertical surface 242 of the elastic lower boss 24 of the driving member 2 abut against the vertical surface 143 of the limiting upper boss 14 of the locking member 1; continuing to rotate the driving member 2 counterclockwise, the elastic lower boss 24 of the driving member 2 will push the limiting upper boss 14 of the locking member 1 to move, thereby driving the locking member 1 to realize the tooth-removing process.
Embodiment two, the utility model discloses a decide torque nut, with embodiment one decide torque nut's difference lie in: the top circumference of the outer wall of the locking piece 1 'is provided with an anti-falling upper flange 12', and the top circumference of the anti-falling upper flange 12 'is in round angle transition, as shown by 121' in fig. 7; the bottom periphery of the inner wall of the driving member 2 'is provided with a lower anti-slip flange 21', and the bottom periphery of the lower anti-slip flange 21 'is in rounded or chamfered transition, as shown at 211' in fig. 8.
The utility model discloses a decide torque nut, its retaining member 1 'is with driving piece 2's equipment mode: aligning the periphery of the anti-falling flange 21 'of the driving piece 2' with the periphery of the anti-falling upper boss 12 'of the locking piece 1' and making the elastic lower boss 24 'on the driving piece 2' and the limiting upper boss 14 'on the locking piece 1' diverge from each other; when the driver 2 ' is pressed downwards by hand, the anti-falling flange 21 ' of the driver 2 ' and the anti-falling flange 12 ' of the locking member 1 ' are provided with a rounded structure at the periphery thereof, so that when the driver 2 ' is pressed downwards by hand, the anti-falling flange 21 ' is buckled below the anti-falling flange 12 ' along the rounded structure of the anti-falling flange 12 ', and thus, the driver 2 ' and the locking member 1 ' are coupled with each other. The driving part 2 'is rotated to enable the side wall of the elastic lower boss 24' to abut against the side wall of the limiting upper boss 14 'of the locking part 1', and therefore the driving part 2 'can drive the locking part 1' to lock or retreat teeth.
The above-mentioned embodiment is only used to further illustrate the present invention, but the present invention is not limited to the embodiment, and any simple modification, equivalent change and modification of the technical entity of the present invention to the above embodiment all fall into the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a decide torque nut which characterized in that: comprises an annular locking member and an annular driving member; the driving piece is arranged above the locking piece; the inner wall of the locking piece is provided with a tooth pattern; one or more anti-falling upper flanges are arranged on the outer wall of the locking piece; one or more anti-falling lower flanges which can be hooked with the anti-falling upper flanges are arranged on the inner wall of the driving piece; the anti-falling lower flange is matched with the anti-falling upper flange of the locking piece so that the driving piece and the locking piece can be mutually connected; the top end of the locking piece is provided with a plurality of limiting upper bosses; the top of the inner wall of the driving piece is provided with a lower ring circumferential surface used for coating the top end surface of the locking piece, and the lower ring circumferential surface is provided with a plurality of elastic lower bosses; the two side walls of the elastic lower lug boss abut against the two side walls of the limiting upper lug boss respectively so that the driving piece can drive the locking piece to lock or retreat the teeth.
2. The fixed torque nut as claimed in claim 1, wherein: the anti-falling upper flange is arranged on the top peripheral edge of the outer wall of the locking piece; the anti-falling lower flange is arranged on the bottom periphery of the inner wall of the driving piece.
3. A constant torque nut as claimed in claim 1 or 2, wherein: the anti-falling upper flange is one; the top peripheral edge of the anti-drop upper flange is in fillet or chamfer transition; the anti-falling flange is one; the bottom periphery of the anti-falling upper flange is in fillet or chamfer transition.
4. A constant torque nut as claimed in claim 1 or 2, wherein: the anti-falling upper flanges are multiple; a first mounting gap which is used for enabling the anti-falling upper flanges to be mutually separated and can accommodate the anti-falling lower flanges to be embedded is arranged among the anti-falling upper flanges; the anti-falling flanges are multiple; and a second mounting gap which is used for separating the anti-falling lower flanges from each other and accommodating the embedding of the anti-falling upper flanges is arranged among the anti-falling lower flanges.
5. The fixed torque nut as claimed in claim 4, wherein: the bottom of the first mounting notch is provided with an anti-falling rib which can buckle the anti-falling lower flange and is connected with the bottom side walls of two adjacent anti-falling upper flanges.
6. The constant-torque nut as claimed in claim 4, wherein: the limiting upper boss is arranged on the top end surface above the first mounting notch; the elastic lower lug boss is arranged on the lower circumferential surface corresponding to the upper part of the second mounting notch.
7. The fixed torque nut as claimed in claim 1, wherein: a slope surface is arranged on one side wall of the limit upper boss, and the top of the slope surface and the top end edge of the limit upper boss are in fillet or chamfer transition; the other side wall of the limit upper boss is set to be a vertical surface.
8. The fixed torque nut as claimed in claim 1, wherein: the bottom of one side wall of the elastic lower lug boss, which is abutted against the slope surface of the limiting upper lug boss, is set to be in fillet or chamfer transition; the other side wall of the elastic lower boss is set as a vertical surface.
9. The fixed torque nut as claimed in claim 1, wherein: the peripheral surface of the lower ring is an elastic surface.
10. The fixed torque nut as claimed in claim 1, wherein: and two handles for rotating the nuts are respectively arranged on two sides of the outer wall of the driving piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203193710U CN201599297U (en) | 2009-12-31 | 2009-12-31 | Fixed torque nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203193710U CN201599297U (en) | 2009-12-31 | 2009-12-31 | Fixed torque nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201599297U true CN201599297U (en) | 2010-10-06 |
Family
ID=42810352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203193710U Expired - Fee Related CN201599297U (en) | 2009-12-31 | 2009-12-31 | Fixed torque nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201599297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015261A (en) * | 2016-07-26 | 2016-10-12 | 无锡飞达纺织印染机械有限公司 | Opposite scutching nut for setting machine |
| CN110513382A (en) * | 2019-07-17 | 2019-11-29 | 中航光电科技股份有限公司 | A kind of preceding loading nut structure |
-
2009
- 2009-12-31 CN CN2009203193710U patent/CN201599297U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015261A (en) * | 2016-07-26 | 2016-10-12 | 无锡飞达纺织印染机械有限公司 | Opposite scutching nut for setting machine |
| CN110513382A (en) * | 2019-07-17 | 2019-11-29 | 中航光电科技股份有限公司 | A kind of preceding loading nut structure |
| CN110513382B (en) * | 2019-07-17 | 2022-03-29 | 中航光电科技股份有限公司 | Front-mounted nut structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XIAMEN WDI TECHNOLOGY CO., LTD. Assignor: Li Feiyu Contract record no.: 2012350000024 Denomination of utility model: Fixed torque nut Granted publication date: 20101006 License type: Exclusive License Record date: 20120320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |