CN103644190A - Anti-loose and anti-theft nut - Google Patents
Anti-loose and anti-theft nut Download PDFInfo
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- CN103644190A CN103644190A CN201310728517.8A CN201310728517A CN103644190A CN 103644190 A CN103644190 A CN 103644190A CN 201310728517 A CN201310728517 A CN 201310728517A CN 103644190 A CN103644190 A CN 103644190A
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- elastic thread
- thread cover
- loose
- draw
- groove
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
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- 238000003756 stirring Methods 0.000 description 1
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Abstract
The invention provides an anti-loose and anti-theft nut which comprises a nut body and an elastic threaded sleeve, wherein a screwing structure is arranged at the upper end of the nut body; a cavity is formed in the nut body; the elastic threaded sleeve is arranged in the cavity; one end of the elastic threaded sleeve is fixedly connected with the nut body; the other end of the elastic threaded sleeve is in clearance fit with the nut body. The anti-loose and anti-theft nut has the advantages that as the elastic threaded sleeve is matched with the external threads of a fastener as well as the nut body to realize the anti-loose and anti-theft effect, the structure of the anti-loose and anti-theft nut is simplified; the anti-loose and anti-theft nut is simple and practical; the anti-loose and anti-theft effect is high; repeated use is realized; the cost is reduced; the optimal utilization of resources is realized.
Description
Technical field
The present invention relates to connect fastener areas, in particular to a kind of anti-loose anti-theft nut.
Background technique
China, every year because mechanical component joint is loosening or artificial theft destroys, causes communal facility property and personal safety loss can reach more than more than one hundred million units, brings very large impact to the health operation of national economy.Adopt anti-loose anti-theft nut as link; not only long-time use can not become flexible; and there is anti-theft feature; protection property safety, but the anti-loose anti-theft nut using mostly at present is disposable use, while complex structure; small part is many; between part, coordinate to require highly, processing is more difficult, in the time of use, also easily goes wrong.
Summary of the invention
The object of the present invention is to provide a kind of anti-loose anti-theft nut, to solve the above problems.
The anti-loose anti-theft nut providing of the present invention comprises body, elastic thread cover, described body upper end is provided with and screws structure, in described body, be provided with a cavity, described elastic thread is placed in described cavity, one end of described elastic thread cover is fixedly connected with described body, the other end and the described body Spielpassung of described elastic thread cover.
Elastic thread cover in body coordinates with the outside thread of fixed block the effect of playing fixed block, the elastic force producing while utilizing elastic thread cover retraction, can play locking effect, the one end and the body that by elastic thread, overlap are fixed, the other end and body Spielpassung, when counterrotating body, extruding elastic thread cover, elastic thread cover can not be screwed out, play antitheft effect.
Further, described body is provided with the first draw-in groove and the second draw-in groove, and one end of described elastic thread cover is fixed in described the first draw-in groove, the described elastic thread cover the other end and described the second draw-in groove Spielpassung.Utilize draw-in groove to coordinate, the assembling that realizes elastic thread cover and body that can be easy.
Further, described the second draw-in groove axial cross section is fan shape.Adopt the second draw-in groove that cross section is fan shape, easy to process, cost is low.
Further, the central angle of described fan shape is 10-110 degree.The Spielpassung best results of the other end of the second draw-in groove that the cross section forming is like this fan shape and elastic thread cover.
Further, also comprise sheath, described sheath is placed in described cavity, described sheath is provided with the 3rd draw-in groove and the 4th draw-in groove, described elastic thread is placed in described sheath, one end of described elastic thread cover is fixed in described the 3rd draw-in groove, and the other end of described elastic thread cover is through described the 4th draw-in groove and be fixedly connected with the other end and described the 4th draw-in groove Spielpassung of described elastic thread cover with described body.Utilize sheath, can allow the assembly and disassembly of elastic thread cover simpler, and can directly change after the wearing and tearing of elastic thread cover, without changing whole anti-loose anti-theft nut, cost-saving.
Further, the spring sectional shape of elastic thread cover is rhombus.The cross section of rhombus is realized and being coordinated better with outside thread, and the frictional force producing when being subject to axial force is also larger.
Further, the diameter of thread of described thread bush is less than the external diameter of described screw thread.Slightly be less than the better outside thread of matching fastener of diameter of the elastic thread cover of external diameter, combine closely with outside thread.
Further, the structure that screws of described body is outer-hexagonal shape.The structure tool that screws of outer-hexagonal shape is used easier.
The invention has the beneficial effects as follows a kind of anti-loose anti-theft nut is provided, by elastic thread cover is coordinated with the outside thread of fastening piece, and utilize elastic thread cover to realize anti-loose anti-theft function with coordinating of body, simplified the structure of anti-loose anti-theft nut, the present invention is simple and practical, and anti-loose anti-theft is effective, can repeatedly reuse, save cost, realized the optimization utilization of resource.
Accompanying drawing explanation
The side sectional view of the anti-loose anti-theft nut that Fig. 1 provides for first embodiment of the invention;
The side sectional view of the anti-loose anti-theft nut that Fig. 2 provides for second embodiment of the invention;
The plan view of the body of the anti-loose anti-theft nut that Fig. 3 provides for second embodiment of the invention;
The side sectional view of the body of the anti-loose anti-theft nut that Fig. 4 provides for second embodiment of the invention;
The side sectional view of the anti-loose anti-theft nut that Fig. 5 provides for third embodiment of the invention;
The plan view of the elastic thread cover of the anti-loose anti-theft nut that Fig. 6 provides for third embodiment of the invention;
The side sectional view of the elastic thread cover of the anti-loose anti-theft nut that Fig. 7 provides for third embodiment of the invention;
The side sectional view of the anti-loose anti-theft nut that Fig. 8 provides for fourth embodiment of the invention;
The side sectional view of the elastic thread cover of the anti-loose anti-theft nut that Fig. 9 provides for fourth embodiment of the invention;
The side sectional view of the sheath of the anti-loose anti-theft nut that Figure 10 provides for fourth embodiment of the invention;
The plan view of the sheath of the anti-loose anti-theft nut that Figure 11 provides for fourth embodiment of the invention;
The half sectional view of the body of the anti-loose anti-theft nut that Figure 12 provides for fourth embodiment of the invention;
The plan view of the body of the anti-loose anti-theft nut that Figure 13 provides for fourth embodiment of the invention;
The side sectional view that the elastic thread cover of the anti-loose anti-theft nut that Figure 14 provides for fourth embodiment of the invention coordinates with fixed block.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
Be illustrated in figure 1 the anti-loose anti-theft nut that first embodiment of the invention provides, comprise body 1, elastic thread cover 3, body 1 upper end is provided with and screws structure, in body 1, be provided with a cavity, elastic thread cover 3 is placed in described cavity, and one end of elastic thread cover 3 is fixedly connected with body 1, the other end and body 1 Spielpassung of elastic thread cover 3.
The anti-loose anti-theft nut providing for second embodiment of the invention as in Figure 2-4, comprise body 1, elastic thread cover 3, body 1 upper end is provided with and screws structure, in body 1, be provided with a cavity, elastic thread cover 3 is placed in described cavity, and body 1 is provided with the first draw-in groove 7 and the second draw-in groove 8, elastic thread overlaps 3 one end and is fixed in the first draw-in groove 7, and elastic thread overlaps 3 the other ends and the second draw-in groove 8 Spielpassung.The second draw-in groove 8 axial cross sections are fan shape.The central angle of described fan shape is 10-110 degree.
The elastic thread cover 3 of the anti-loose anti-theft nut that the present embodiment provides is by being fixedly connected with body 1 with fixing realization of the first draw-in groove 7, with the Spielpassung of the second draw-in groove 8 Spielpassung realizations with body 1, realize the effect of anti-loose anti-theft, utilized again the first draw-in groove 7 and the second draw-in groove 8 can allow elastic thread cover 3 with body 1 assembling and fix convenient firm.
As Fig. 5-7 are depicted as the anti-loose anti-theft nut that third embodiment of the invention provides, comprise body 1, sheath 2 and elastic thread cover 3, body 1 upper end is provided with and screws structure, in body 1, be provided with a cavity, sheath 2 is placed in cavity, one end of sheath 2 is provided with the 3rd draw-in groove 5, sheath 2 lower ends are provided with the 4th draw-in groove 6, elastic thread cover 3 is placed in sheath 2, one end of elastic thread cover 3 is fixed in the 3rd draw-in groove 5, and the other end of elastic thread cover 3 is through the 4th draw-in groove 6 and be fixedly connected with the other end and the 4th draw-in groove 6 Spielpassung of elastic thread cover 3 with body 1.
When the anti-loose anti-theft nut of the present embodiment is used, because sheath 2 is arranged in the cavity of body 1, so can freely rotate, adopt common screwing tool, the respective outer side edges that screws with body 1, the anti-loose anti-theft nut of the present embodiment is enclosed within on fixed block and screws in and screw, now, the other end of elastic thread cover 3 is fixedly connected with body 1, the other end of elastic thread cover 3 is fixed in the groove 4 on body 1, body 1 is stirred the other end of elastic thread cover 3, simultaneously elastic thread cover 3 the outside thread of internal thread incision fixed block of the other end in, because elastic thread cover 3 is in incision outside thread, elastic thread cover 3 is in elongation state, now internal thread and the pressure between outside thread of elastic thread cover 3 are less, frictional force is also less, the anti-loose anti-theft nut of the present embodiment can successfully screw into, coordinate with the outside thread of fixed block.
When elastic thread cover 3 screws in after fixed block, the internal thread of elastic thread cover 3 matches with the outside thread of bolt, fits tightly, and has realized the effect that connects fastening piece.While is due to the elasticity of elastic thread cover 3, elastic thread cover 3 can bounce back, produce larger axial force, the larger pressure of generation between the internal thread that causes elastic thread cover 3 and the outside thread of fastening piece, and then produce great frictional force, can not slide easily, even if be subject to long-term vibration, can not become flexible yet.
After the anti-loose anti-theft nut of the present embodiment screws, elastic thread cover 3 has tightly coordinated with the outside thread of fastening piece, and whole elastic thread cover 3 can be regarded as and is fixed on outside thread.If adopt common instrument to carry out oppositely screwing to the anti-loose anti-theft nut of the present embodiment, due to elastic thread cover 3 are fixed on fastening piece on relative with sheath 2, at this moment only have body 1 to rotate, body 1 and elastic thread cover 3 the other end be fixedly connected with, body 1 stir elastic thread cover 3 the other end, make elastic thread cover 3 the other end and elastic thread overlap one end of 3 and relatively move, elastic thread cover 3 is squeezed, shrink, the internal thread of elastic thread cover 3 further compresses the outside thread of fastening piece, it is large that pressure between the two becomes, it is large that force of sliding friction also becomes thereupon, can not slide between the two, like this, elastic thread cover 3 just can not screw out fastening piece, adopt common throw can not screw the anti-loose anti-theft nut of the present embodiment, so just realized antitheft function.Want to screw out the anti-loose anti-theft nut of the present embodiment, only has the special instrument that adopts, body 1 and sheath 2 is simultaneously fixing, counterrotating again, make sheath 2 simultaneously with body 1 rotation, the elastic thread of sheath 2 inside is in an integral rigidity shape body, can not occur to extend and shrink, can not produce compression, the internal thread of elastic thread cover 3 and the externally threaded pressure of fixed block can not become large, elastic thread cover 3 ability integral inverted are to screwing out fastening piece, simultaneously, employing has flexible elastic thread cover 3, during back-out, just can elastic thread not overlapped the outside thread wearing and tearing of 3 internal thread and fixed block and be destroyed, can repeatedly recycle.
The anti-loose anti-theft nut that the present embodiment provides, by installing sheath 2 additional, under the prerequisite of function that guarantees anti-loose anti-theft, reduced the processing to the cavity of body 1, guaranteed that body 1 has higher intensity, meanwhile, made the assembling of elastic thread cover 3 also more convenient.
As Fig. 8-14 are depicted as the anti-loose anti-theft nut that fourth embodiment of the invention provides, comprise body 1, sheath 2 and elastic thread cover 3, body 1 upper end is provided with and screws structure, in body 1, be provided with a cavity, sheath 2 is placed in cavity, one end of sheath 2 is provided with the 3rd draw-in groove 5, the other end of sheath 2 is provided with the 4th draw-in groove 6, elastic thread cover 3 is placed in sheath 2, one end of elastic thread cover 3 is fixed in the 3rd draw-in groove 5, the other end of elastic thread cover 3 passes the 4th draw-in groove 6 and is fixedly connected with body 1, the other end of elastic thread cover 3 is fixed in the groove 4 on body 1, the other end and the 4th draw-in groove 6 Spielpassung of elastic thread cover 3.The spring sectional shape of elastic thread cover 3 is rhombus, and the diameter of thread of elastic thread cover 3 is less than the external diameter of screw thread.The structure that screws of body 1 is that outer-hexagonal shape screws structure.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an anti-loose anti-theft nut, it is characterized in that, comprise body, elastic thread cover, described body upper end is provided with and screws structure, is provided with a cavity in described body, and described elastic thread is placed in described cavity, one end of described elastic thread cover is fixedly connected with described body, the other end and the described body Spielpassung of described elastic thread cover.
2. anti-loose anti-theft nut according to claim 1, it is characterized in that, described body is provided with the first draw-in groove and the second draw-in groove, and one end of described elastic thread cover is fixed in described the first draw-in groove, the described elastic thread cover the other end and described the second draw-in groove Spielpassung.
3. anti-loose anti-theft nut according to claim 2, is characterized in that, described the second draw-in groove axial cross section is fan shape.
4. anti-loose anti-theft nut according to claim 3, is characterized in that, the central angle of described fan shape is 10-110 degree.
5. anti-loose anti-theft nut according to claim 1, it is characterized in that, also comprise sheath, described sheath is placed in described cavity, described sheath is provided with the 3rd draw-in groove and the 4th draw-in groove, and described elastic thread is placed in described sheath, and one end of described elastic thread cover is fixed in described the 3rd draw-in groove, the other end of described elastic thread cover is through described the 4th draw-in groove and be fixedly connected with the other end and described the 4th draw-in groove Spielpassung of described elastic thread cover with described body.
6. anti-loose anti-theft nut according to claim 1, is characterized in that, the spring sectional shape of described elastic thread cover is rhombus.
7. anti-loose anti-theft nut according to claim 1, is characterized in that, the diameter of thread of described elastic thread cover is less than the externally threaded external diameter of fixed block.
8. anti-loose anti-theft nut according to claim 1, is characterized in that, the structure that screws of described body is that outer-hexagonal shape screws structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728517.8A CN103644190B (en) | 2013-12-26 | 2013-12-26 | Anti-loose anti-theft nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728517.8A CN103644190B (en) | 2013-12-26 | 2013-12-26 | Anti-loose anti-theft nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103644190A true CN103644190A (en) | 2014-03-19 |
| CN103644190B CN103644190B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310728517.8A Active CN103644190B (en) | 2013-12-26 | 2013-12-26 | Anti-loose anti-theft nut |
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| Country | Link |
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| CN (1) | CN103644190B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823255A (en) * | 2017-03-14 | 2017-06-13 | 赵博 | Dumbbell |
| CN107588081A (en) * | 2017-10-24 | 2018-01-16 | 西藏深元投资有限公司 | Stop nut and locking fastening assembly |
| CN107654473A (en) * | 2017-10-27 | 2018-02-02 | 杨聪辉 | A kind of locking dirt-proof boot and dust-proof nut assembly |
| CN110259809A (en) * | 2019-07-29 | 2019-09-20 | 河南四达电力设备股份有限公司 | It is a kind of to determine torque pressure attachment means |
| CN111102280A (en) * | 2020-03-20 | 2020-05-05 | 兰州鑫博电子信息技术有限公司 | Elastic thread nut capable of never loosening |
| CN111173829A (en) * | 2020-03-20 | 2020-05-19 | 兰州鑫博电子信息技术有限公司 | Elastic thread bolt never loose |
| CN111379781A (en) * | 2020-04-10 | 2020-07-07 | 贵州航天精工制造有限公司 | Self-locking nut and using method thereof |
| CN112682415A (en) * | 2020-12-29 | 2021-04-20 | 宁波金鼎紧固件有限公司 | Fastener with torsional spring self-locking function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091501A (en) * | 1993-02-23 | 1994-08-31 | 严明 | Self lock nut and bolt |
| CN1162073A (en) * | 1996-04-10 | 1997-10-15 | 严明 | Self-locking energy-storage device for bolt |
| CN2273357Y (en) * | 1996-08-13 | 1998-01-28 | 张郑 | Anti-loosen nut |
| CN101360924A (en) * | 2006-12-07 | 2009-02-04 | 动力雷克斯株式会社 | Anti-loose lock nut |
| CN203641238U (en) * | 2013-12-26 | 2014-06-11 | 霍永久 | Anti-loosing and anti-theft nut |
-
2013
- 2013-12-26 CN CN201310728517.8A patent/CN103644190B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091501A (en) * | 1993-02-23 | 1994-08-31 | 严明 | Self lock nut and bolt |
| CN1162073A (en) * | 1996-04-10 | 1997-10-15 | 严明 | Self-locking energy-storage device for bolt |
| CN2273357Y (en) * | 1996-08-13 | 1998-01-28 | 张郑 | Anti-loosen nut |
| CN101360924A (en) * | 2006-12-07 | 2009-02-04 | 动力雷克斯株式会社 | Anti-loose lock nut |
| CN203641238U (en) * | 2013-12-26 | 2014-06-11 | 霍永久 | Anti-loosing and anti-theft nut |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823255A (en) * | 2017-03-14 | 2017-06-13 | 赵博 | Dumbbell |
| CN107588081A (en) * | 2017-10-24 | 2018-01-16 | 西藏深元投资有限公司 | Stop nut and locking fastening assembly |
| CN107654473A (en) * | 2017-10-27 | 2018-02-02 | 杨聪辉 | A kind of locking dirt-proof boot and dust-proof nut assembly |
| CN110259809A (en) * | 2019-07-29 | 2019-09-20 | 河南四达电力设备股份有限公司 | It is a kind of to determine torque pressure attachment means |
| CN110259809B (en) * | 2019-07-29 | 2024-05-17 | 河南四达数字安防科技有限公司 | Fastening method of fixed torque pressure fastener |
| CN111102280A (en) * | 2020-03-20 | 2020-05-05 | 兰州鑫博电子信息技术有限公司 | Elastic thread nut capable of never loosening |
| CN111173829A (en) * | 2020-03-20 | 2020-05-19 | 兰州鑫博电子信息技术有限公司 | Elastic thread bolt never loose |
| CN111379781A (en) * | 2020-04-10 | 2020-07-07 | 贵州航天精工制造有限公司 | Self-locking nut and using method thereof |
| CN112682415A (en) * | 2020-12-29 | 2021-04-20 | 宁波金鼎紧固件有限公司 | Fastener with torsional spring self-locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103644190B (en) | 2016-07-06 |
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Effective date of registration: 20180117 Address after: 523000 Guangdong Province, Dongguan town of Dalang City Huang Caolang community beauty Road No. 46 Patentee after: Dongguan Guan Hong Hardware Technology Co., Ltd. Address before: 154200 Luobei County of Heilongjiang Province Nongken A community league Baoquanling District Road nine 43 Building No. 7 Deputy District Patentee before: Huo Yongjiu |
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Effective date of registration: 20210727 Address after: 529900 north of Xingping 5th Road, Zhuhai (Yangjiang Vientiane) industrial transfer industrial park, Yangdong District, Yangjiang City, Guangdong Province Patentee after: Yangjiang Guanhong Hardware Technology Co.,Ltd. Address before: 523000 No. 46, Meixi Road, huangcaolang community, Dalang Town, Dongguan City, Guangdong Province Patentee before: Dongguan Guanhong Hardware Technology Co.,Ltd. |
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