CN206175444U - Nut fastener - Google Patents
Nut fastener Download PDFInfo
- Publication number
- CN206175444U CN206175444U CN201621253845.2U CN201621253845U CN206175444U CN 206175444 U CN206175444 U CN 206175444U CN 201621253845 U CN201621253845 U CN 201621253845U CN 206175444 U CN206175444 U CN 206175444U
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- CN
- China
- Prior art keywords
- nut
- recess
- wall portion
- face
- annular element
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- 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.)
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Abstract
The utility model provides a nut fastener includes: first nut, keeping away from of first nut is formed with recess on fastening member's the terminal surface, recess includes: first side, first side forms recess's radial inboard, and by constructed with the wall portion that can warp is injectd together to the internal thread of first nut, the second side, the second side forms recess's the radial outside, and second nut, the second nut with the coaxial setting of first nut, the second nut includes: the main part, follow the bulge that the main part extends, the bulge includes the medial surface, the medial surface is constructed the bulge inserts in the time of among the recess with first side combines, the extrusion wall portion so that the inward deformation of the radial of wall portion. The utility model discloses a nut fastener is through making wall portion take place radial inward deformation to wall portion firmly combines on the screw rod, effectively prevent the not hard up of nut.
Description
Technical field
This utility model is related to a kind of nut fastener, more particularly to a kind of can stablize locking nut fastener.
Background technology
Nut fastener is applied in all trades and professions for connecting fastening demand, such as in vehicle, building machinery, agricultural
All it is widely used in machinery, manufacture machinery etc..It is severe due to working environment in for large-scale engineering machinery or engineering truck
And the effect of heavy load so that nut fastener thereon is subject to the vibration of all directions and impacting for load, and this causes spiral shell
Mother is easier to release, so as to the reduction for causing fastener function is even failed.Cause very big potential safety hazard.
At present conventional fastener locking method generally comprises the locking of non-removable locking scheme and increasing friction force
Scheme.Non-removable locking scheme is changed into detachable threaded connection not using welding, boning or rushing a little mode such as riveting
Detachable threaded connection.In non-removable locking scheme, threaded fastener can not be reused, and troublesome poeration, be usually used in
Some require that anti-loosening property is high and are not required to the important events dismantled.The locking scheme of increasing friction force is using increase bolt (spiral shell
Nail) head and nut end face frictional force method reaching locking purpose.The locking scheme of increasing friction force is not by space
Limit, can dismantle repeatedly, but reliability is poor, after work certain hour, can reduce anti-loosing effect because of reasons such as vibrations.
Utility model content
The technical problem that this utility model is solved is to provide a kind of nut fastener, it is possible to achieve to the more steady of nut
It is fixed reliable locking, and simple structure, easily fabricated and assembling.
According to an exemplary embodiment of the present utility model, there is provided a kind of nut fastener, including：
First nut, the female thread of first nut in combination with the external screw thread for being engaged screw rod, first nut
Away from recess is formed with the end face by tightening member, the recess includes：
First side, the first side is formed in the radially inner side of the recess, and is configured to and the interior spiral shell
Stricture of vagina limits together the wall portion that can deform；
Second side, the second side is formed in the radial outside of the recess；
And
Second nut, second nut is coaxially disposed with first nut, and second nut includes：
Main part；
From the protuberance that the main part extends, the protuberance includes medial surface, and the medial surface is configured in institute
State when protuberance is inserted in the recess and combined with the first side, extrude the wall portion so that the wall portion produces footpath
To inside deformation.
According to an exemplary embodiment of the present utility model, wherein：The medial surface is formed along axial direction
It is radially outwardly sloping towards the first nut；The first side is formed along the direction of the bottom surface towards the recess radially
It is outward-dipping, to be engaged with the medial surface.
According to an exemplary embodiment of the present utility model, wherein, the medial surface and the equal shape of the first side
Become parallel to the axial direction, and interference fit is formed when the protuberance is inserted in the recess, so that institute
State wall portion and radially inner deformation occurs.
According to an exemplary embodiment of the present utility model, wherein, the height of the protuberance is higher than described recessed
Depth of the bottom surface in portion to the end face of first nut.
According to an exemplary embodiment of the present utility model, wherein, the end of the wall portion is less than the first nut
The end face.
According to an exemplary embodiment of the present utility model, wherein, the institute of the end of the wall portion and the first nut
State end face concordant.
According to an exemplary embodiment of the present utility model, wherein, the securing member is further included：
Annular element, the annular element is configured to deform and be suitable to be coaxially contained in first nut described
In recess, the outer surface of the annular element is configured to be suitable to be contacted with the second side, and the of the annular element
End face is configured to be suitable to be contacted with the bottom surface of recess,
So that when the protuberance of second nut inserts the recess, the end face of protuberance and annular element and the
The relative second end face of end face is abutted against, and to extrude the annular element so that the annular element deforms, and then extrudes the wall
Portion produces radially inner deformation.
According to an exemplary embodiment of the present utility model, wherein, the height of the annular element is less than the wall portion
Height.
According to an exemplary embodiment of the present utility model, wherein, the annular element is made up of copper, aluminum or nylon.
According to an exemplary embodiment of the present utility model, wherein, first nut and second nut are same
For hex nut, tetragonal nut or quincunx nut.
Nut fastener according to the above-mentioned various embodiments of this utility model, its protuberance for passing through the second nut is inserted
Enter in the recess and extrude the wall portion so that wall portion occurs radially inner deformation, deform the female thread of rear wall parts
With the external screw thread interference fit for being engaged screw rod, so as to wall portion is firmly bonded to the pine that nut is effectively prevented on the screw rod
It is dynamic.Along with the fastening of the second nut, play and further stablize locking effect.
Description of the drawings
This utility model with reference to the accompanying drawings to further describe, wherein：
Fig. 1 is illustrated according to a kind of half-section diagram of the nut fastener of exemplary embodiment of the present utility model；
Fig. 2 is the half-section diagram for illustrating the first nut in the nut fastener shown in Fig. 1；
Fig. 3 is the half-section diagram for illustrating the second nut in the nut fastener shown in Fig. 1；
Fig. 4 is the half-section diagram for illustrating the nut fastener according to another kind of exemplary embodiment of the present utility model；
Fig. 5 is the half-section diagram for illustrating the first nut in the nut fastener shown in Fig. 4.
Specific embodiment
Although this utility model will be fully described with reference to the accompanying drawing containing preferred embodiment of the present utility model, here is retouched
Should be appreciated that one of ordinary skill in the art can change utility model described herein before stating, while it is new to obtain this practicality
The technique effect of type.Thus, it should be understood that the description of the above is an extensive announcement for one of ordinary skill in the art, and
Its content does not lie in the exemplary embodiment limited described by this utility model.
As Figure 1-5, according to utility model design generally of the present utility model, there is provided a kind of nut fastening
Part, the nut fastener includes：First nut 1, the female thread of first nut 1 is mutually tied with the external screw thread for being engaged screw rod
Close, first nut 1 away from recess 11 is formed with the end face by tightening member, the recess 11 includes：First
Side 111, the first side 111 is formed in the radially inner side of the recess 11, and is configured to and the female thread one
Rise and limit the wall portion 12 that can deform；Second side 112, the second side 112 is formed in the radial direction of the recess 11
Outside；The nut fastener also includes the second nut 2, and second nut 2 is coaxially disposed with first nut 1, described
Second nut 2 includes：Main part 21, protuberance 22, the protuberance 22 extends from the main part 21, and the protuberance 22 is wrapped
Include medial surface 221, the medial surface 221 is configured to when the protuberance 22 is inserted in the recess 11 with described
One side 111 is combined, and extrudes the wall portion 12 so that the wall portion 12 occurs radially inner deformation.
It will be understood by those skilled in the art that when the protuberance 22 is inserted in the recess 11, due to protrusion
The medial surface in portion 22 is combined with the first side 111, extrudes the wall portion 12 so that wall portion 12 occurs radially inner change
Shape, deforms the female thread and the external screw thread interference fit for being engaged screw rod of rear wall parts, so as to wall portion is firmly bonded to the spiral shell
On bar, the rotation of the first nut 1 is prevented, effectively prevent the loosening of nut.Along with the fastening of the nut 2 in outside, play into one
Step stablizes locking effect.
According to an exemplary embodiment of the present utility model, nut fastener of the present utility model can be applicable to operation
In machinery, creeper tread, the connector of chassis member being used for example as in engineering truck.Due to the severe use work of Work machine
Condition, causes nut to fasten with larger vibration and larger load, especially transverse load in use
Nut in part can loosen with the passage of use time.Using the nut fastener of embodiment of the present utility model,
The loosening of nut can effectively be suppressed, more preferable security performance is obtained.
Nut in the nut fastener can be for variously-shaped, such as hex nut or tetragonal nut or quincunx nut,
The nut for illustrating in the embodiment shown in Fig. 1-5 is hex nut.
According to an exemplary embodiment of the present utility model, as Figure 1-3, the medial surface of the protuberance 22
221 are formed along axial direction is radially outwardly sloping towards the first nut；The first side 111 of the recess is formed as edge
Towards the direction of the bottom surface of the recess and be radially outwardly sloping, to be engaged with the medial surface.In this embodiment, lead to
Cross to form the form that the protuberance of inclined wedge shape is inserted in the recess being engaged, with being progressively screwed into for the second nut,
The radial compression power that wall portion 12 is subject to gradually increases, and radial deformation gradually increases, so that female thread is firm with the external screw thread of screw rod
Solid combine to form enough coupling mechanism forces.
According to an exemplary embodiment of the present utility model, the medial surface 221 being engaged and the first side 111
Inclined surface can also be not formed as, and be perpendicular to the bottom surface of the recess.According to the embodiment, the medial surface 221
It is all formed as parallel to the axial direction with the first side 111, and is inserted in the recess in the protuberance
When form interference fit so that there is radially inner deformation in the wall portion.Due to the first medial surface 221 and the first side
111 interference fit and extrude the wall portion so that female thread firmly combines to form enough locking with the external screw thread
Power.
According to an exemplary embodiment of the present utility model, the height of the protuberance 22 is higher than the bottom of the groove
Depth of the face to the end face of first nut.This causes protuberance to be inserted in recess, and whole wall portion 12 is all subject to
The extruding force of radial direction, so that longer internal thread segment and the external screw thread interference fit.
According to an exemplary embodiment of the present utility model, the end of the wall portion 12 is described less than the first nut
End face.When this causes the second nut to be screwed into, the protuberance can easily be directed in the recess 11.However, ability
Field technique personnel are appreciated that according to another exemplary embodiment of the present utility model, and the end of the wall portion also can be with
The end face of the first nut is concordant.Can equally reach and cause protuberance insertion recess so that the effect of wall portion deformation.
According to another exemplary embodiment of the present utility model, as shown in Figure 4,5, in order to further improve nut
The anti-loosing effect of securing member, nut fastener further includes annular element 3 ', and the annular element 3 ' is configured to deformation simultaneously
It is suitable to be coaxially contained in the recess 11 ' with first nut, the outer surface of the annular element is configured to fit
In contacting with the second side 112 ', the first end face of the annular element is configured to be suitable to connect with the bottom surface of recess
Touch so that when second nut 2 ' protuberance insert the recess 11 ' when, the end face of the protuberance 22 ' of nut 2 ' with
The second end face relative with first end face of annular element is abutted against, to extrude the annular element so that annular element deformation, enters
And extrude the wall portion 12 ' and produce radially inner deformation.The exemplary embodiment uses the annular element 3 ' being easily deformed, institute
The end face for stating the protuberance of the second nut gradually pushes against the second end face of annular element, annular element during the second nut screw-in
The extruding being subject to becomes larger, and its lateral surface is limited by the side 112 ' of recess, therefore is deformed radially inwardly and is extruded
The wall portion 12 ', so that the female thread being located in wall portion 12 ' is firmly combined together with the external screw thread of screw rod.
By the exemplary embodiment, in the assembling of nut fastener, as long as the protuberance of the second nut 2 ' can
It is inserted in the recess of the first nut 1 ' and then extrudes the annular element 3 ' on axial direction, does not require the interior of protuberance
Side is engaged with the gradient of the first side 111 ' of recess 11 or size reaches interference fit, therefore, nut fastening
Part is easy to process and assembles.
According to an exemplary embodiment of the present utility model, the annular element is made up of the material can deforming, including
But it is not limited to copper, aluminum or nylon etc..
Nut fastener according to the above-mentioned various embodiments of this utility model, its protuberance for passing through the second nut is inserted
Enter in the recess and extrude the wall portion so that wall portion occurs radially inner deformation, deform the female thread of rear wall parts
With the external screw thread interference fit for being engaged screw rod, so as to wall portion is firmly bonded to the pine that nut is effectively prevented on the screw rod
It is dynamic.Along with the fastening of the second nut, play and further stablize locking effect.The nut is reusable, installs and dismounting
Easily, it is and easily fabricated.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this area
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of the structure described in various embodiments
Independent assortment can be carried out in the case of prominent.
After preferred embodiment of the present utility model is described in detail, those of ordinary skill in the art can be clearly
Solution, various change can be carried out under the protection domain without departing from appended claims with spirit and is changed, and this utility model is also
It is not only restricted to the embodiment of examples cited embodiment in description.
Claims (10)
1. a kind of nut fastener, including：
First nut, first nut away from recess is formed with the end face by tightening member, the recess includes：
First side, the first side is formed in the radially inner side of the recess, and is configured to and first nut
Female thread limit the wall portion that can deform together；
Second side, the second side is formed in the radial outside of the recess；
And
Second nut, second nut is coaxially screwed on same screw rod with first nut, and described second
Nut includes：
Main part；
From the protuberance that the main part extends, the protuberance includes medial surface, and the medial surface is configured to described convex
Go out when portion is inserted in the recess and combined with the first side, extrude the wall portion so that the wall portion produce radially to
Interior deformation.
2. nut fastener according to claim 1, wherein：
The medial surface is formed along axial direction and is radially outwardly sloping towards the first nut；
The first side is formed along towards the direction of the bottom surface of the recess being radially outwardly sloping, with the inner side
Face is engaged.
3. nut fastener according to claim 1, wherein, the medial surface is all formed as parallel with the first side
In axial direction, and interference fit is formed when the protuberance is inserted in the recess, so that the wall portion occurs footpath
To inside deformation.
4. nut fastener according to claim 1, wherein, the bottom surface of the height of the protuberance higher than the recess
To the depth of the end face of first nut.
5. nut fastener according to claim 1, wherein, the end of the end of the wall portion less than the first nut
Face.
6. nut fastener according to claim 1, wherein, the end of the wall portion is put down with the end face of the first nut
Together.
7. nut fastener according to claim 1, wherein, the securing member is further included：
Annular element, the annular element is configured to deform and be suitable to be coaxially contained in first nut described recessed
In portion, the outer surface of the annular element is configured to be suitable to be contacted with the second side, the first end of the annular element
Face is configured to be suitable to be contacted with the bottom surface of recess,
So that when the protuberance of second nut inserts the recess, the end face of protuberance and annular element and first end
The relative second end face in face is abutted against, and to extrude the annular element so that the annular element deforms, and then extrudes the wall portion product
The radially inner deformation of life.
8. nut fastener according to claim 7, wherein, the height of the height of the annular element less than the wall portion.
9. the nut fastener according to claim 7 or 8, wherein, the annular element is made up of copper, aluminum or nylon.
10. nut fastener according to claim 1, wherein, first nut and second nut are all hexagonal
Nut, tetragonal nut or quincunx nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253845.2U CN206175444U (en) | 2016-11-16 | 2016-11-16 | Nut fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621253845.2U CN206175444U (en) | 2016-11-16 | 2016-11-16 | Nut fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175444U true CN206175444U (en) | 2017-05-17 |
Family
ID=58687040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621253845.2U Active CN206175444U (en) | 2016-11-16 | 2016-11-16 | Nut fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956779A (en) * | 2017-11-30 | 2018-04-24 | 安徽西马新能源技术有限公司 | A kind of soft or hard combination nut fastener |
-
2016
- 2016-11-16 CN CN201621253845.2U patent/CN206175444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956779A (en) * | 2017-11-30 | 2018-04-24 | 安徽西马新能源技术有限公司 | A kind of soft or hard combination nut fastener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180126 Address after: 362271 Fujian city of Quanzhou province Jinjiang Economic Development Zone East ANN Patentee after: Fujian Jinjiang City Lijing Automobile Parts Co., Ltd. Address before: 362271 Fujian city of Quanzhou province Jinjiang Economic Development Zone East Road No. 26, Anne Patentee before: Sun Yuhou |