CN209309096U - A kind of nut for preventing from loosening - Google Patents
A kind of nut for preventing from loosening Download PDFInfo
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- CN209309096U CN209309096U CN201821990844.5U CN201821990844U CN209309096U CN 209309096 U CN209309096 U CN 209309096U CN 201821990844 U CN201821990844 U CN 201821990844U CN 209309096 U CN209309096 U CN 209309096U
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- nut
- gasket
- limit plate
- nut body
- hole
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Abstract
The utility model discloses a kind of nuts for preventing from loosening, including pedestal, nut body, nut inner thread, limit hole, tapped through hole, special gasket, limited post, gasket mesoporous, bolt body, bolt external screw thread, cavity, limit plate, spring and set screw.When special gasket and nut body are installed, by the limit hole on the limited post inserted base surface of special gasket surface, so that special gasket is relatively fixed with nut body, solve the problems, such as relative loose occur between special gasket and nut body；By engaging set screw into tapped through hole, so that set screw bottom end pushes internal motion on limit plate, until in the bolt external screw thread on limit plate insertion bolt body surface, spring is in the state stretched at this time, when unloading set screw, limit plate can be back to inner cavity under the action of the spring, ensure that the installation for not influencing bolt body and nut body, solve the problems, such as that nut can generate in use because of vibration two and loosen.
Description
Technical field
The utility model relates to a kind of nut, specially a kind of nut for preventing from loosening belongs to nut applied technical field.
Background technique
Nut is also known as nut, is a kind of fixed tool, and there is hole at center, has screw thread on the inside of hole.Nut often with
The screw that size is harmonious shares, and glue can be used if the environmental factors such as vibration enable nut loosen with the related engagement part of fixation
The tools such as water or safety pin are further that related part is reinforced, and nut is in hexagon more, next is square；The working principle of nut
It is to be carried out using the frictional force between nuts and bolt self-locking, but this self-locking reliability will drop in dynamic loading
Low, in some important occasions, we will take some locking measures, guarantee the reliability of nut check, nut is will be mechanical
The part that equipment closely connects, by the screw thread of inside, equivalent specifications nuts and bolt can just link together.
Nut can generate the phenomenon that loosening because of vibration in use, and glue or safety pin can be used in the prior art
Equal tools are reinforced for it, but this reinforcement means is relatively simple, will affect the disassembly again of nut when glue sticks, and can make
Disassembly process becomes to be more troublesome, and in some cases can between nut and installation part using gasket nut and gasket it
Between it is relatively independent, it is more loose using the lower installation that can make for a long time, the use duration of once mounting can be reduced.Therefore, for
The above problem proposes a kind of nut for preventing from loosening.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of nut for preventing from loosening.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of nut for preventing from loosening, including from upper
Pedestal, nut body, special gasket and the position limiting structure successively installed under；
The upper surface of the pedestal offers limit hole, and the upper surface of the lower surface of the pedestal and the nut body
It is affixed；The inner wall of the nut body is equipped with nut inner thread, is equipped with bolt body, the bolt sheet inside the nut body
Body surface face is equipped with bolt external screw thread, and the bolt body engages connection with the nut body；The upper table of the special gasket
Face is connected with limited post, and the upper surface of the special gasket is provided with gasket mesoporous；
The position limiting structure includes cavity, limit plate, spring and set screw, and a side surface of the nut body is provided with
Tapped through hole, and engagement is connected with the set screw inside the tapped through hole；The sky is equipped with inside the nut body
Chamber, the cavity inside are socketed with the limit plate, and the spring is equipped between the limit plate and the cavity inner wall, described
One end end face of spring and the cavity inner wall are affixed, and the other end face of the spring and one side end face of limit plate are solid
It connects；
Preferably, the pedestal and the special gasket are cyclic structure, and the through-hole of the susceptor surface with it is described
The diameter of gasket mesoporous is equal.
Preferably, the nut body is hex nut, and the angle between the adjacent plane of surface is 120 degree.
Preferably, the number of the limit hole and the limited post is eight, and eight limit holes are distributed in a ring
In the upper surface of the pedestal, eight limited posts are distributed in the upper surface of the special gasket in a ring.
Preferably, the number of the position limiting structure is two, and is symmetrically distributed in the both side surface of the nut body.
Preferably, the limit plate is three-legged structure, and the top of the limit plate is convex shape.
The beneficial effects of the utility model are:
1, limit hole is arranged on the surface of pedestal when using gasket in the utility model, and on the surface of special gasket
Increase limited post, it, can be by the limited post inserted base surface of special gasket surface when special gasket and nut body installation
In limit hole, so that special gasket is relatively fixed with nut body, solves and when being installed between special gasket and nut body
The problem of existing relative loose；
2, the two sides of the utility model are equipped with a tapped through hole, are socketed with limit in the internal cavities of nut body
Plate, when nut body is mounted on bolt body, by engaging set screw into tapped through hole, so that set screw bottom end
Limit plate is pushed internally to move, until spring, which is in, at this time draws in the bolt external screw thread on limit plate insertion bolt body surface
The state stretched, when unloading set screw, limit plate can be back to inner cavity under the action of the spring, and ensure that does not influence bolt sheet
The installation of body and nut body solves the problems, such as that nut can be generated and be loosened because of vibration in use.
Detailed description of the invention
Fig. 1 is the utility model nut body structural schematic diagram；
Fig. 2 is the special gasket construction schematic diagram of the utility model；
Fig. 3 is the utility model position limiting structure schematic diagram.
In figure: 1, bottom plate, 2, fixed plate, 3, support plate, 4, disk, 5, screw tap for tapping, 6, square fixture block, 7, cylinder, 8,
Piston rod, 9, air inlet, 10, V-type fixture block, 11, concave sliding slot, 12, hex nut, 13, support transverse slat, 14, convex sliding block,
15, spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to shown in Fig. 1-3, it is a kind of prevent loosen nut, including successively install from top to bottom pedestal 1, nut sheet
Body 2, special gasket 6 and position limiting structure；
The upper surface of the pedestal 1 offers limit hole 4, and the lower surface of the pedestal 1 and the nut body 2 is upper
Surface is affixed；The inner wall of the nut body 2 is equipped with nut inner thread 3, is equipped with bolt body 9, institute inside the nut body 2
9 surface of bolt body is stated equipped with bolt external screw thread 10, and the bolt body 9 engages connection with the nut body 2；The spy
The upper surface of gasket 6 is connected with limited post 7, and the upper surface of the special gasket 6 is provided with gasket mesoporous 8；
The position limiting structure includes cavity 11, limit plate 12, spring 13 and set screw 14, and the one of the nut body 2
Side surface is provided with tapped through hole 5, and engagement is connected with the set screw 14 inside the tapped through hole 5；The nut body 2
Inside is equipped with the cavity 11, and the limit plate 12, the limit plate 12 and the cavity 11 are socketed with inside the cavity 11
The spring 13 is equipped between inner wall, one end end face of the spring 13 and 11 inner wall of cavity are affixed, and the spring 13
The other end face and 12 1 side end face of limit plate it is affixed；
The pedestal 1 and the special gasket 6 are cyclic structure, and the through-hole on 1 surface of the pedestal and the gasket
The diameter of mesoporous 8 is equal, is mounted on the table of the bolt body 9 simultaneously convenient for the nut body 2 and the special gasket 6
Face；The nut body 2 is hex nut, and the angle between the adjacent plane of surface is 120 degree, and the utility model is adopted
What is used is existing nut as ontology, and die nut is easy to use to install it；The limit hole 4 and the limited post
7 number is eight, and eight limit holes 4 are distributed in the upper surface of the pedestal 1, eight limited posts 7 in a ring
Be distributed in the upper surface of the special gasket 6 in a ring, the limit hole 4 is identical with the position of the limited post 7, be conducive to by
The limited post 7 is inserted directly into inside limit hole 4；The number of the position limiting structure is two, and is symmetrically distributed in the nut
The both side surface of ontology 2 strengthens the position limiting structure to the anti-loosening ability of the nut body 2；The limit plate 12
For three-legged structure, and the top of the limit plate 12 is convex shape, the convex knot at the top of the limit plate 12 after installation
Structure can be withstood in the bolt external screw thread 10 on 9 surface of bolt body.
When the utility model is used, bolt body 9 is passed through the component to be fixed first, the surface of pedestal 1 is provided with
Limit hole 4, the surface of special gasket 6, which increases, limited post 7, will when special gasket 6 is mounted on the surface of nut body 2
In the limit hole 4 on 7 inserted base of limited post, 2 surface on special 6 surface of gasket, so that special gasket 6 is relatively solid with nut body 2
It is fixed, solve the problems, such as relative loose occur when installing between special gasket 6 and nut body 2 with this；
After nut body 2 and bolt body 9 are locked, set screw 14 is engaged into tapped through hole 5, so that stopping payment spiral shell
14 bottom ends of silk push limit plate 12 in internal motion, until limit plate 12 is inserted into the bolt external screw thread 10 on 9 surface of bolt body,
Spring 13 is in the state stretched at this time, repeats aforesaid operations and is installed the position limiting structure of the other side；
When unloading set screw 14, limit plate 12 can be back in inner cavity 11 under the action of spring 13, ensure that not
The installation of bolt body 9 and nut body 2 is influenced, pine can be generated because of vibration in use by solving nut body 2
De- problem.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of nut for preventing from loosening, it is characterised in that: including pedestal (1), the nut body successively installed from top to bottom
(2), special gasket (6) and position limiting structure；
The upper surface of the pedestal (1) offers limit hole (4), and the lower surface of the pedestal (1) and the nut body (2)
Upper surface it is affixed；The inner wall of the nut body (2) is equipped with nut inner thread (3), and spiral shell is equipped with inside the nut body (2)
Bolt ontology (9), bolt body (9) surface are equipped with bolt external screw thread (10), and the bolt body (9) and the nut sheet
Body (2) engagement connection；The upper surface of the special gasket (6) is connected with limited post (7), and the upper table of the special gasket (6)
Face is provided with gasket mesoporous (8)；
The position limiting structure includes cavity (11), limit plate (12), spring (13) and set screw (14), the nut body
(2) a side surface is provided with tapped through hole (5), and engagement is connected with the set screw (14) inside the tapped through hole (5)；
The cavity (11) are equipped with inside the nut body (2), are socketed with the limit plate (12) inside the cavity (11), it is described
Between limit plate (12) and the cavity (11) inner wall be equipped with the spring (13), one end end face of the spring (13) with it is described
Cavity (11) inner wall is affixed, and the other end face of the spring (13) and (12) one side end face of limit plate are affixed.
2. it is according to claim 1 it is a kind of prevent loosen nut, it is characterised in that: the pedestal (1) with it is described special
Gasket (6) is cyclic structure, and the through-hole on the pedestal (1) surface is equal with the diameter of the gasket mesoporous (8).
3. a kind of nut for preventing from loosening according to claim 1, it is characterised in that: the nut body (2) is hexagonal
Nut, and the angle between the adjacent plane of surface is 120 degree.
4. a kind of nut for preventing from loosening according to claim 1, it is characterised in that: the limit hole (4) and the limit
The number of position column (7) is eight, and eight limit holes (4) are distributed in the upper surface of the pedestal (1), eight institutes in a ring
State the upper surface that limited post (7) is distributed in the special gasket (6) in a ring.
5. a kind of nut for preventing from loosening according to claim 1, it is characterised in that: the number of the position limiting structure is two
It is a, and it is symmetrically distributed in the both side surface of the nut body (2).
6. a kind of nut for preventing from loosening according to claim 1, it is characterised in that: the limit plate (12) is triangle knot
Structure, and the top of the limit plate (12) is convex shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990844.5U CN209309096U (en) | 2018-11-29 | 2018-11-29 | A kind of nut for preventing from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821990844.5U CN209309096U (en) | 2018-11-29 | 2018-11-29 | A kind of nut for preventing from loosening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209309096U true CN209309096U (en) | 2019-08-27 |
Family
ID=67675067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821990844.5U Active CN209309096U (en) | 2018-11-29 | 2018-11-29 | A kind of nut for preventing from loosening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209309096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905904A (en) * | 2019-11-25 | 2020-03-24 | 无锡市金中元机械有限公司 | Slim adjustment gasket convenient to it is fixed |
-
2018
- 2018-11-29 CN CN201821990844.5U patent/CN209309096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905904A (en) * | 2019-11-25 | 2020-03-24 | 无锡市金中元机械有限公司 | Slim adjustment gasket convenient to it is fixed |
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