CN205533696U - Locking antitheft nut structure - Google Patents
Locking antitheft nut structure Download PDFInfo
- Publication number
- CN205533696U CN205533696U CN201620097763.7U CN201620097763U CN205533696U CN 205533696 U CN205533696 U CN 205533696U CN 201620097763 U CN201620097763 U CN 201620097763U CN 205533696 U CN205533696 U CN 205533696U
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- CN
- China
- Prior art keywords
- nut
- nut body
- wire
- steel
- socket
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- Expired - Fee Related
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Abstract
The utility model relates to a locking antitheft nut structure, including nut body, bush and wire thread insert. Nut body's appearance adopts non -standard shape to have the tapering, place a bush and wire thread insert in the counter bore of nut body upper end. The bush adopts stainless steel or other metals to make, and the bush is supporting wire thread insert. After the equipment riveting, nut body, bush and wire thread insert constitute one can the locking nut that can prevent burglary again. Wire thread insert is the spring form threaded connection spare that adopts nonrust steel wire or other wire coilings to form, and wire thread insert includes anchor circle and working ring, and the end of anchor circle is equipped with a crotch for hook nut body, working ring's end is equipped with the power of the unloading pole of a kickup, wire thread insert's working ring's size and nut body's thread diameter and pitch phase -match. After the nut was twisted by the bolt, wire thread insert relied on the elasticity of self to produce the interference to the screw thread, by interfering the frictional resistance who produces to realize the locking function of locking of nut. Nut body's lower extreme is the threaded portion, and technical requirement such as its basic tooth form, diameter and pitch are the same with ordinary nut. Because nut body's appearance adopts non -standard shape to have the tapering, except that dedicated pull the instrument of twisting, the current ordinary instrument of twisting of pulling can't be executed wrongly to it. The utility model discloses the function that has had simultaneously the theftproof on having the basis of locking function again.
Description
Technical field
The utility model relates to the device that a kind of detachable threaded fastener connects.Concretely relate to a kind of for threaded fastener company, integrate the nut of locking and antitheft two functions.
Background technology
It is known that threaded fastener is connected under the effect of variable load, vibration and shock loading, and in the case of temperature change is relatively big, screw thread and bearing-surface will produce microcosmic sliding.This relative microscopic motion can cause thread friction power to reduce, and makes the normal pressure in screw thread pair in a certain instantaneous reduction or disappear (frictional force is zero), and then causes screw thread to lose self-locking, and nut starts pine and turns.The vibration cycles of ten million time run out of threaded locking frictional resistance so that it is is changed into loosening from trickle pine.Reduced by loosening the pretightning force causing threaded fastener to connect or lose, the compactness that threaded fastener is connected can not be guaranteed, thus cause nut to get loose or connected piece occurs fatigue rupture prematurely, causing machine or equipment cisco unity malfunction, serious also can cause unnecessary accident.
In the last few years, along with the fast development of the building causes such as China railways, highway, wind-powered electricity generation, solar electrical energy generation, electric power conveying, petroleum pipeline, the threaded fastener connection for field also got more and more.Due to the link of these threaded fasteners be the most exposed in the wild, so nut is tampered event and also happens occasionally.After nut is tampered, parts or equipment lose fastening link completely, cause machine or equipment not to work normally, and serious the most also can cause great accident.
Therefore, how to solve the locking and antitheft problem during screw threads for fastening connects, have become as the designer of threaded fastener and problem that user extremely pays close attention to.And existing nut product, locking and anti-theft feature is all individually separated, it is impossible to meet the threaded fastener used in the wild connect can locking again can be antitheft difunctional requirement.
Summary of the invention:
The purpose of this utility model is to overcome above deficiency, it is provided that a kind of simple in construction, low cost, safety and stability be reliable, can locking again can be antitheft nut.
The purpose of this utility model is achieved through the following technical solutions: a kind of anti-loose anti-theft nut structure, including nut body, lining and steel-wire screw-socket, the profile of described nut body uses non-standard shapes, and carry tapered, placing a lining and steel-wire screw-socket in the counterbore of described nut body upper end, described lining supports steel-wire screw-socket.After being assembled riveting, described nut body, lining and steel-wire screw-socket form one can locking again can be antitheft difunctional nut.Steel-wire screw-socket is to use stainless steel wire or the spring-like threaded connector of other wire coiling, and described steel-wire screw-socket includes that anchoring ring and building ring, the end of described anchoring ring are provided with a crotch, in order to hook nut body；The end of described building ring is provided with power of a unloading bar being bent upwards, and the power bar of unloading is embedded in nut body；The size of the building ring of described steel-wire screw-socket matches with the diameter of thread of nut body and pitch, after bolt is screwed into nut, steel-wire screw-socket rely on self elastic force to screw thread produce interfere, by interference produce frictional resistance to realize the locking locking functions of nut.
The profile of nut body uses non-standard shapes, and carries tapered.The upper end of nut body is provided with a counterbore, is used for placing lining and steel-wire screw-socket；The lower end of nut body is threaded portion, and the technology such as the basic profile of its screw thread, diameter and pitch requires identical with plain nut.
Described lining uses stainless steel or other metal to make.
The utility model compared with prior art has the advantage that
1, the utility model has locking and antitheft two kinds of functions simultaneously.Its simple in construction, simple process, low cost of manufacture, it is simple to implement.The utility model can stop the pine relatively between screw thread pair to turn effectively, it is therefore prevented that threaded fastener is connected to when the fluctuating loads such as vibrated, impact, or produced loosening in the case of material generation high-temerature creep.The pretightning force that threaded fastener can be made to connect is maintained the most enduringly, thus preferably meets the requirement of threaded fastener connection anti-loose antidetonation.
2, profile of the present utility model uses non-standard shapes, and with tapered.In addition to special twisting instrument, it cannot be executed stubborn by existing common twisting instrument.Make the most not only the utility model on the basis of there is locking functions simultaneously but also be provided with antitheft function.
Accompanying drawing illustrates:
Fig. 1 is top view of the present utility model；
Fig. 2 is the utility model A-A sectional view；
Label in figure: 1 nut body, 2 linings, 3 steel-wire screw-sockets, 3-1 crotch, 3-2 unload power bar.
Detailed description of the invention:
In order to deepen understanding of the present utility model, below we will the utility model is described in further detail in conjunction with accompanying drawing, this embodiment be only used for explain the utility model, be not intended that the restriction to the utility model protection domain.
As Fig. 1-2 shows a kind of embodiment of a kind of anti-loose anti-theft nut of the utility model, placing a lining 2 in the nut body 1 of non-standard profiles, lining supports steel-wire screw-socket 3.After being assembled riveting, the nut body 1 of non-standard profiles, lining 2 and steel-wire screw-socket 3 form one can locking again can be antitheft difunctional nut, with meet in engineering to threaded fastener connect can locking again can be antitheft requirement.The technology such as the basic profile of nut body 1, diameter and pitch require identical with plain nut, to guarantee that anti-loose anti-theft nut can match with the bolt of standard.The profile of nut body 1 uses non-standard shapes, and carries tapered.In addition to special twisting instrument, it cannot be executed stubborn by existing common twisting instrument.Nut is thus made to be provided with again antitheft function on the basis of locking.
Lining 2 uses stainless steel (or other metal) to make, and mainly plays a supportive role steel-wire screw-socket 3.
Steel-wire screw-socket 3 is the spring-like threaded connector using stainless steel wire (or other wire) coiling.The great circle of steel-wire screw-socket 3 is anchoring ring, and ringlet is building ring；The end of anchoring ring is provided with a crotch 3-1, in order to hook nut body 1；The end of building ring is provided with power of unloading a bar 3-2 being bent upwards, and uses during for dismounting nut.The basic size of steel-wire screw-socket 3 building ring matches with the diameter of thread and the pitch of nut body, and after bolt is screwed into nut, steel-wire screw-socket 3 relies on the elastic force of self that screw thread is produced interference.By interference produce frictional resistance to realize the locking function of locking of nut.
After assembling product riveting, the crotch 3-1 of steel-wire screw-socket anchoring ring end hooks nut body 1 tightly, effectively prevents relative pine between steel-wire screw-socket 3 with nut body 1 to turn.Owing to the rotation direction of steel-wire screw-socket 3 and the thread rotary orientation of bolt are identical.After bolt is screwed into nut, steel-wire screw-socket 3 relies on the elastic force of self to be closely adhered in the screw thread alveolus of bolt, produces screw thread and interferes.The pine relatively of screw thread pair is effectively prevented to turn by interfering produced frictional resistance so that the pretightning force that threaded fastener connects can be maintained the most enduringly, thus meets the requirement of threaded fastener connection anti-loose antidetonation.
It addition, the profile of nut body 1 uses non-standard shapes, and carry tapered.In addition to special twisting instrument, it cannot be executed stubborn by existing common twisting instrument.This nut is thus made to be provided with again antitheft function on the basis of locking.
The foregoing is only explanation embodiment of the present utility model, be not limited to the utility model.For a person skilled in the art, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (3)
1. an anti-loose anti-theft nut structure, including nut body (1), lining (2) and steel-wire screw-socket (3), it is characterized in that: the profile of described nut body (1) uses non-standard shapes, and carry tapered, a lining (2) and steel-wire screw-socket (3) is placed in the counterbore of described nut body (1) upper end, described lining (2) supports steel-wire screw-socket (3), after being assembled riveting, described nut body (1), lining (2) and steel-wire screw-socket (3) form one can locking again can be antitheft difunctional nut；Described steel-wire screw-socket (3) is to use stainless steel wire or the spring-like threaded connector of other wire coiling, described steel-wire screw-socket (3) includes anchoring ring and building ring, the end of described anchoring ring is provided with a crotch (3-1), in order to hook nut body (1)；The end of described building ring is provided with the power of unloading bar (3-2) being bent upwards, and the basic size of the building ring of described steel-wire screw-socket (3) matches with the diameter of thread and the pitch of nut body (1), described in unload power bar (3-2) and be embedded in nut body (1).
A kind of anti-loose anti-theft nut structure, it is characterised in that: the upper end of nut body (1) is provided with a counterbore, is used for placing lining and steel-wire screw-socket；The lower end of nut body (1) is threaded portion, and the basic profile of screw thread, diameter require identical with plain nut with the technology of pitch.
A kind of anti-loose anti-theft nut structure, it is characterised in that: described lining (2) uses stainless steel or other metal to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097763.7U CN205533696U (en) | 2016-02-01 | 2016-02-01 | Locking antitheft nut structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620097763.7U CN205533696U (en) | 2016-02-01 | 2016-02-01 | Locking antitheft nut structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533696U true CN205533696U (en) | 2016-08-31 |
Family
ID=56773639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620097763.7U Expired - Fee Related CN205533696U (en) | 2016-02-01 | 2016-02-01 | Locking antitheft nut structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043135A (en) * | 2020-01-14 | 2020-04-21 | 深圳市易和螺母有限公司 | Stepless distance-adjusting double-end anti-loose spring nut assembly |
-
2016
- 2016-02-01 CN CN201620097763.7U patent/CN205533696U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043135A (en) * | 2020-01-14 | 2020-04-21 | 深圳市易和螺母有限公司 | Stepless distance-adjusting double-end anti-loose spring 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20220201 |