CN109882486A - A kind of Miniature nonmetallic mosaic self locking nut - Google Patents
A kind of Miniature nonmetallic mosaic self locking nut Download PDFInfo
- Publication number
- CN109882486A CN109882486A CN201910195137.XA CN201910195137A CN109882486A CN 109882486 A CN109882486 A CN 109882486A CN 201910195137 A CN201910195137 A CN 201910195137A CN 109882486 A CN109882486 A CN 109882486A
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- lock sleeve
- nonmetallic
- miniature
- nut
- locking nut
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Abstract
This application discloses a kind of Miniature nonmetallic mosaic self locking nuts of machinery manufacturing technology field, including nut body, the top of the nut body is equipped with circular groove, the lock sleeve of annular is equipped in the circular groove, the lock sleeve is made of polyimide material, and the top of the nut body is equipped with fold inward camber structure and compresses the compressed part at the top of lock sleeve.Self-locking nut operating temperature range in this programme is big and anti-attenuation ability is strong.
Description
Technical field
The present invention relates to machinery manufacturing technology fields, and in particular to a kind of Miniature nonmetallic mosaic self locking nut.
Background technique
It is a kind of be usually used on the products such as aircraft, high-speed rail, automobile, ship, precise electronic that nylon locking, which covers self-locking nut,
Fastener mainly includes nut and the nylon locking set that nut interior is arranged in.After screw rod is connected with nut thread, screw rod
It can squeeze nylon locking set, and nylon locking is covered and squeezes out screw thread, nylon locking set, which tightly embraces screw rod, to be reached self-locking and put
The function of pine.But nylon locking set is made of nylon material, nylon material operating temperature range between -30~80 DEG C,
When the operating temperature of nylon locking set is not within the scope of temperatures above, the plasticity of nylon material is influenced by temperature variation, leads
Cause nylon locking set can not screw rod tightly embrace, the effect of locking is not achieved.
Summary of the invention
The object of the present invention is to provide a kind of Miniature nonmetallic mosaic self locking nuts, to solve nylon locking in the prior art
Cover the small problem of self-locking nut operating temperature range.
In order to achieve the above object, the invention provides the following technical scheme: a kind of Miniature nonmetallic mosaic self locking nut, packet
Nut body is included, the top of the nut body is equipped with circular groove, and the lock sleeve of annular is equipped in the circular groove, described
Lock sleeve is made of polyimide material, and the top of the nut body is equipped with fold inward camber structure and compresses lock sleeve
The compressed part at top.
The working principle of the invention and the utility model has the advantages that lock sleeve is placed in circular groove, will be locked using compressed part
The top of set compresses, and when screw rod enters in lock sleeve, lock sleeve is squeezed out screw thread by lock sleeve clamping screw, screw rod, locking
Set, which tightly embraces screw rod, reaches the self-locking function of loosening.Polyimides is a kind of high molecular material simultaneously, with anti-attenuation
Property it is especially strong, easy processing, be not easy the features such as deformation, high temperature resistant and locking property are good, by being arranged to lock sleeve by polyamides Asia
Amine material is made, enable the self-locking nut it is long-term in -200~300 DEG C of at a temperature of middle use.
It is the optimization to basic technology scheme below:
Further, the compressed part is that turning edge at the top of nut body is arranged in.Punching press will be turned edge into circle using punching press
In groove, the top of lock sleeve can be compressed by turning edge, it is made to compress lock sleeve.
Further, the lock sleeve is fitted tightly in circular groove.It is round recessed that purpose is that lock sleeve can be embedded into
In slot, when screwing in screw rod, the inner sidewall of circular groove can give lock sleeve certain frictional force, prevent the rotation band of screw rod
Dynamic lock sleeve rotation makes nylon locking set squeeze out screw thread and tails off, and lock sleeve, which can not tightly embrace screw rod, to be reached self-locking and loosen
Function.
Further, the compressed part includes the clamping sleeve for being threaded in nut top, and the inner sidewall of the clamping sleeve connects
It is connected to for compressing the annular table at the top of lock sleeve.Using the clamping sleeve of threaded connection, when being installed, clamping sleeve inner wall
Annular table enters in circular groove, with the downward precession of clamping sleeve, annular table is enable to compress the top of lock sleeve, mesh
Be, since annular table can cover all the top of lock sleeve, be compacted the comprehensive stress of lock sleeve, work as screw rod in this way
It is fashionable in lock sleeve inward turning, it since the pressing force of annular table is strong, not will cause the rotation of lock sleeve, lock sleeve caused to squeeze out screw thread
It tails off, lock sleeve, which can not tightly embrace screw rod, reaches the self-locking function of loosening.In addition clamping sleeve can stop screw rod be exposed to
In environment, first is that when external ambient humidity or have corrosivity when, during long-term work, the connection of screw rod and the self-locking nut
Corrosion or chemical attack can occur for place, lead to the self-locking nut strength reduction and disassembly is inconvenient；Second is that when bolt and self-locking spiral shell
After mother is coupled, if shank of bolt has passed through nylon inserts and outer a part of shank of bolt of stretching, it is easy hook during the work time
It hangs thing or collides with other objects, this overhanging part shank of bolt is caused to damage, keep self-locking nut disassembly difficult.
Further, the hand of spiral of the clamping sleeve and the hand of spiral of nut are opposite.The screw thread side of clamping sleeve and nut
To on the contrary, when screw rod drive locking be cased with minute movement when, lock sleeve acts on clamping sleeve by annular table, due to clamping sleeve with
Nut it is contrary, i.e., it is reversed with the screw-in of screw rod on the contrary, clamping sleeve precession just can be made, lock sleeve is further compressed with
Prevent the rotation of lock sleeve.
Further, the minimum diameter of the annular table is less than the minimum diameter of lock sleeve.The purpose being arranged in this way is ring
Shape platform can preferably compress lock sleeve, in addition limit screw rod and reach outside lock sleeve.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the section structure of the embodiment of the present invention 2.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: turn edge 1, lock sleeve 2, nut 3, screw rod 4, clamping sleeve 5, annular table
6。
Embodiment 1: the top of Miniature nonmetallic mosaic self locking nut as shown in Figure 1, including nut 3, nut 3 is equipped with circle
Connected in star, circular groove is interior to be equipped with lock sleeve 2, and lock sleeve 2 is made of polyimide material, and the top of nut 3 is equipped with to varus
Roll over and compress the compressed part at the top of lock sleeve 2, compressed part be 3 top of nut is set turn edge 1.
Lock sleeve 2 is placed in circular groove, 1 punching press will be turned edge into circular groove, turn edge 1 will locking using punching press
The top of set 2 compresses, and when screw rod 4 enters in lock sleeve 2, lock sleeve 2 is squeezed out spiral shell by 2 clamping screw 4 of lock sleeve, screw rod 4
Line, lock sleeve 2, which tightly embraces screw rod 4, reaches the self-locking function of loosening.And the high molecular material that polyimides is, have anti-
Decay Rate is especially strong, easy processing, is not easy the features such as deformation, high temperature resistant and locking property are good, by being arranged to lock sleeve 2 by gathering
Acid imide material, enable the self-locking nut it is long-term -200~300 DEG C at a temperature of, and make in insulation performance environment
With.
Embodiment 2: such as Fig. 2: embodiment 2 and the difference of embodiment 1 are only in that: compressed part includes and 3 top spiral shell of nut
The clamping sleeve 5 of line connection, 5 inner sidewall of clamping sleeve are connected with the annular table 6 for compressing 2 top of lock sleeve.Utilize threaded connection
Clamping sleeve 5, when being installed, the annular table 6 of 5 inner wall of clamping sleeve enters in circular groove, with clamping sleeve 5 to
Lower precession, enables annular table 6 to compress the top of lock sleeve 2, it is intended that since annular table 6 can cover all lock
Fixed 2 top is compacted the comprehensive stress of lock sleeve 2, fashionable in 2 inward turning of lock sleeve when screw rod 4 in this way, due to annular table 6
Pressing force it is strong, not will cause the rotation of lock sleeve 2, cause lock sleeve 2 squeeze out screw thread tail off, lock sleeve 2 can not be by screw rod 4
It tightly embraces and reaches the self-locking function of loosening.In addition clamping sleeve 5 can stop screw rod 4 exposure in the environment, first is that working as external rings
When border is moist or has corrosivity, during long-term work, the junction of screw rod 4 and the self-locking nut 3 can occur to corrode or change
Corrosion is learned, leads to 3 strength reduction of nut and disassembly is inconvenient；Second is that after screw rod 4 and nut 3 are coupled, if screw rod 4
Lock sleeve 2 and outer a part of screw rod 4 of stretching are had passed through, is easy to hook thing during the work time or be touched with other objects
It hits, causes this overhanging half of screw 4 to damage, nut 3 is made to dismantle difficulty.
Claims (6)
1. a kind of Miniature nonmetallic mosaic self locking nut, it is characterised in that: including nut body, set at the top of the nut body
There is circular groove, the lock sleeve of annular is equipped in the circular groove, the lock sleeve is made of polyimide material, the spiral shell
The top of maternal body is equipped with fold inward camber structure and compresses the compressed part at the top of lock sleeve.
2. Miniature nonmetallic mosaic self locking nut according to claim 1, it is characterised in that: the compressed part is that setting exists
Turning edge at the top of nut body.
3. Miniature nonmetallic mosaic self locking nut according to claim 2, it is characterised in that: the lock sleeve fits closely
In circular groove.
4. Miniature nonmetallic mosaic self locking nut according to claim 1, it is characterised in that: the compressed part includes screw thread
It is connected to the clamping sleeve of nut top, the inner sidewall of the clamping sleeve is connected with for compressing the annular table at the top of lock sleeve.
5. Miniature nonmetallic mosaic self locking nut according to claim 4, it is characterised in that: the screw thread side of the clamping sleeve
To opposite with the hand of spiral of nut.
6. Miniature nonmetallic mosaic self locking nut according to claim 5, it is characterised in that: in the minimum of the annular table
Diameter is less than the minimum diameter of lock sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195137.XA CN109882486A (en) | 2019-03-14 | 2019-03-14 | A kind of Miniature nonmetallic mosaic self locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195137.XA CN109882486A (en) | 2019-03-14 | 2019-03-14 | A kind of Miniature nonmetallic mosaic self locking nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109882486A true CN109882486A (en) | 2019-06-14 |
Family
ID=66932416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910195137.XA Pending CN109882486A (en) | 2019-03-14 | 2019-03-14 | A kind of Miniature nonmetallic mosaic self locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109882486A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895611A (en) * | 2021-02-19 | 2021-06-04 | 航天科工空间工程发展有限公司 | Satellite structure cabin board |
| CN114109996A (en) * | 2021-11-29 | 2022-03-01 | 中国航发沈阳发动机研究所 | Self-locking nut structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1384600A (en) * | 1971-06-16 | 1975-02-19 | Simmonds Sa | Method of manufacture of lock nuts |
| US5454675A (en) * | 1994-04-26 | 1995-10-03 | Abbott-Interfast Corporation | Sealing nut and method of making same |
| CN2292936Y (en) * | 1997-06-19 | 1998-09-30 | 杨宗池 | Nut with quincunx locking piece |
| CN2380738Y (en) * | 1999-06-30 | 2000-05-31 | 刘俊凯 | Detachable anti-loose screw-bolt connecter |
| DE202007000770U1 (en) * | 2006-06-13 | 2007-03-29 | Ruf, Annetraud | Securing nut, comprises locking element to be accessed from above by removal of insert |
| CN201269245Y (en) * | 2008-08-11 | 2009-07-08 | 徐鸿江 | Anti-loose nut |
| CN201908932U (en) * | 2011-02-28 | 2011-07-27 | 杨清立 | Self-locking locknut assembly |
| CN102537007A (en) * | 2010-12-08 | 2012-07-04 | 美铝公司 | Locking nut assambly |
| CN204704245U (en) * | 2015-06-04 | 2015-10-14 | 上海振高螺母有限公司 | A kind of lock nut of improvement |
| CN207879824U (en) * | 2018-02-12 | 2018-09-18 | 温州市一威汽车零部件有限公司 | A kind of hexagonal anticreep locking nut |
-
2019
- 2019-03-14 CN CN201910195137.XA patent/CN109882486A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1384600A (en) * | 1971-06-16 | 1975-02-19 | Simmonds Sa | Method of manufacture of lock nuts |
| US5454675A (en) * | 1994-04-26 | 1995-10-03 | Abbott-Interfast Corporation | Sealing nut and method of making same |
| CN2292936Y (en) * | 1997-06-19 | 1998-09-30 | 杨宗池 | Nut with quincunx locking piece |
| CN2380738Y (en) * | 1999-06-30 | 2000-05-31 | 刘俊凯 | Detachable anti-loose screw-bolt connecter |
| DE202007000770U1 (en) * | 2006-06-13 | 2007-03-29 | Ruf, Annetraud | Securing nut, comprises locking element to be accessed from above by removal of insert |
| CN201269245Y (en) * | 2008-08-11 | 2009-07-08 | 徐鸿江 | Anti-loose nut |
| CN102537007A (en) * | 2010-12-08 | 2012-07-04 | 美铝公司 | Locking nut assambly |
| CN201908932U (en) * | 2011-02-28 | 2011-07-27 | 杨清立 | Self-locking locknut assembly |
| CN204704245U (en) * | 2015-06-04 | 2015-10-14 | 上海振高螺母有限公司 | A kind of lock nut of improvement |
| CN207879824U (en) * | 2018-02-12 | 2018-09-18 | 温州市一威汽车零部件有限公司 | A kind of hexagonal anticreep locking nut |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895611A (en) * | 2021-02-19 | 2021-06-04 | 航天科工空间工程发展有限公司 | Satellite structure cabin board |
| CN114109996A (en) * | 2021-11-29 | 2022-03-01 | 中国航发沈阳发动机研究所 | Self-locking nut structure |
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