CN211398226U - Self-tightening nut set - Google Patents
Self-tightening nut set Download PDFInfo
- Publication number
- CN211398226U CN211398226U CN201922487822.8U CN201922487822U CN211398226U CN 211398226 U CN211398226 U CN 211398226U CN 201922487822 U CN201922487822 U CN 201922487822U CN 211398226 U CN211398226 U CN 211398226U
- Authority
- CN
- China
- Prior art keywords
- fastening
- nut
- fastening nut
- gasket
- round platform
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a self-tightening nut external member, including fastening nut and fastening gasket, be provided with the round platform on a terminal surface of fastening nut, the centre of a circle of round platform is not in a point with the projection of the centre of a circle of the bolt hole that runs through fastening nut on fastening nut's terminal surface, the bolt hole has been seted up to the axial on the fastening gasket, a terminal surface axial of fastening gasket has seted up the circular slot, the diameter of circular slot is greater than the diameter that fastening nut's one end was kept away from to the round platform, be not more than the diameter that the one end of fastening nut is close to the round platform. The utility model utilizes the fastening gasket to extrude one side of the fastening nut round platform with eccentric magnitude to generate radial pressure, which can increase the friction force between the fastening nut and the stud, and can increase the radial pressure when the vibration is generated so as to increase the friction force between the fastening nut and the stud, and compared with the common nut, the fastening nut is not easy to fall off; and meanwhile, the inner side wall of the fastening gasket is not provided with threads, so that the fastening gasket is favorable for installation and disassembly.
Description
Technical Field
The utility model relates to a self-clinching nut external member belongs to bolt manufacturing technical field.
Background
The nut is the part that couples together mechanical equipment zonulae occludens, and through inboard screw thread, equal specification nut and bolt just can link together, and ordinary nut can only satisfy general equipment, nevertheless under high frequency vibrations equipment and adverse circumstances, has lacked the fastening requirement for a long time the nut lax, and we often need carry out periodic inspection to the structure piece of locking and consolidate, prevents to bring the structure lock dislocation because of the nut loosens. In practice, the tightened nut is fastened by various methods, such as strong glue, electric welding, secondary perforation and reinforcement, but these methods cannot solve the problem of nut loosening and displacement and are troublesome to operate. Stronger, anti-loosening nuts are needed to meet these needs.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides a self-tightening nut set, which utilizes a fastening gasket to extrude one side of a fastening nut round platform with eccentric magnitude to generate radial pressure, can increase the friction force between the fastening nut and a stud, and can increase the radial pressure when vibration is generated so as to increase the friction force between the fastening nut and the stud, and is not easy to fall off compared with a common nut; and meanwhile, the inner side wall of the fastening gasket is not provided with threads, so that the fastening gasket is favorable for installation and disassembly.
In order to realize the above purpose, a self-tightening nut external member, including fastening nut and fastening gasket, be provided with the round platform on a terminal surface of fastening nut, the centre of a circle of round platform is not in a point with the projection of the centre of a circle of the bolt hole that runs through fastening nut on fastening nut's terminal surface, the bolt hole has been seted up to the axial on the fastening gasket, a terminal surface axial of fastening gasket has seted up the circular slot, the diameter of circular slot is greater than the diameter that fastening nut's one end was kept away from to the round platform, be not more than the diameter that fastening nut's one end is close to.
Preferably, the side surface of the circular truncated cone is a frosted surface or gold-plated emery.
Compared with the prior art, the utility model utilizes the fastening gasket to extrude the eccentric side of the fastening nut round platform to generate radial pressure, which can increase the friction between the fastening nut and the stud, and increase the radial pressure when the vibration is generated, thereby increasing the friction between the fastening nut and the stud, and compared with the common nut, the nut is not easy to fall off; and meanwhile, the inner side wall of the fastening gasket is not provided with threads, so that the fastening gasket is favorable for installation and disassembly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. the device comprises a fastening nut 1-1, a circular truncated cone 2, a gasket 2-1, a circular groove 3 and a bolt.
Detailed Description
The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the fastening nut comprises a fastening nut 1 and a fastening gasket 2, a circular truncated cone 1-1 is arranged on one end face of the fastening nut 1, the circle center of the circular truncated cone 1-1 and the projection of the circle center of a bolt hole penetrating through the fastening nut 1 on the end face of the fastening nut 1 are not located at one point, a bolt hole is axially formed in the fastening gasket 2, a circular groove 2-1 is axially formed in one end face of the fastening gasket, and the diameter of the circular groove 2-1 is larger than the diameter of one end, away from the fastening nut 1, of the circular truncated cone 1-1 and is not larger than the diameter of one end, close to the fastening nut 1, of the circular.
Preferably, the side surface of the circular truncated cone 1-1 is a frosted surface or gold-plated emery. Is beneficial to increasing the friction force of the contact surface.
The working process is as follows: the fastening gasket 2 and the fastening nut 1 are sequentially sleeved on the bolt 3, the fastening nut 1 is screwed to enable the circular truncated cone 1-1 to be inserted into the circular groove 2-1, and because the circular truncated cone 1-1 is an eccentric circle, the outer wall of one side, with large eccentricity, of the circular truncated cone 1-1 extrudes the inner wall of the circular groove 1 to generate radial pressure F1, and the friction force between the fastening nut 1 and the stud is increased. When vibration is generated, the fastening gasket 2 moves towards one side far away from the head of the bolt 3, so that the extrusion force on the circular truncated cone 1-1 is increased, and the friction force between the fastening nut 1 and the screw is increased.
To sum up, the utility model utilizes the fastening gasket 2 to extrude one side of the fastening nut 1, which is eccentric by the round platform 1-1, to generate radial pressure, which can increase the friction between the fastening nut 1 and the stud, and increase the radial pressure when the vibration is generated, thereby increasing the friction between the fastening nut 1 and the stud, and compared with the common nut, the nut is not easy to fall off; and meanwhile, the inner side wall of the fastening gasket is not provided with threads, so that the fastening gasket is favorable for installation and disassembly.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (2)
1. The self-tightening nut suite is characterized by comprising a fastening nut (1) and a fastening gasket (2), wherein a circular truncated cone (1-1) is arranged on one end face of the fastening nut (1), the circle center of the circular truncated cone (1-1) and the projection of the circle center of a bolt hole penetrating through the fastening nut (1) on the end face of the fastening nut (1) are not located at one point, the bolt hole is axially formed in the fastening gasket (2), a circular groove (2-1) is axially formed in one end face of the fastening gasket, and the diameter of the circular groove (2-1) is larger than that of one end, away from the fastening nut (1), of the circular truncated cone (1-1) and is not larger than that of one end, close to the fastening nut (1), of the circular truncated cone (1-1).
2. A self-tightening nut set according to claim 1, wherein the side of the circular truncated cone (1-1) is a frosted surface or a gold-plated emery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487822.8U CN211398226U (en) | 2019-12-31 | 2019-12-31 | Self-tightening nut set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922487822.8U CN211398226U (en) | 2019-12-31 | 2019-12-31 | Self-tightening nut set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398226U true CN211398226U (en) | 2020-09-01 |
Family
ID=72211071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922487822.8U Expired - Fee Related CN211398226U (en) | 2019-12-31 | 2019-12-31 | Self-tightening nut set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398226U (en) |
-
2019
- 2019-12-31 CN CN201922487822.8U patent/CN211398226U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200901 Termination date: 20201231 |