CN211623911U

CN211623911U - Anti-loosening fastener

Info

Publication number: CN211623911U
Application number: CN202020109179.5U
Authority: CN
Inventors: 孙贤基
Original assignee: Jinjiang Hanwei Fastener Manufacturing Co ltd
Current assignee: Jinjiang Hanwei Fastener Manufacturing Co ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-10-02
Anticipated expiration: 2030-01-18

Abstract

The utility model discloses a locking fastener that moves, including bolt body and one end open-ended nut body, the top of bolt body is equipped with first spacing, the bottom of nut body is equipped with the spacing of second, first spacing center department runs through there is first bolt. The utility model discloses in, after bolt body and nut body are connected the object that will connect, the object that will fasten is run through with first spacing frame again, can fix first spacing frame at the top of bolt body through first bolt and first spread groove, through the setting of second bolt and second spread groove, can fix the bottom at the nut body with spacing frame of second, after first spacing frame is fixed with spacing frame of second, realized spacing to bolt body and nut body, can prevent that bolt body and nut body from taking place to rotate, locking effect has been played, the stability of the object that will connect has been improved, avoid the emergence of incident.

Description

Anti-loosening fastener

Technical Field

The utility model relates to a fastener technical field especially relates to an anti-loosening fastener.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, is a most widely applied mechanical basic part and has the characteristics of various varieties and specifications, different performance and purposes and extremely high standardization, serialization and universalization degrees, so that one class of fasteners with the existing national standards is called as standard fasteners or is called as standard parts for short.

The bolt in the prior art has many shortcomings in the use process, for example, the bolt is widely used in various fields, and the bolt is easy to loosen after being used for a long time, so that the connecting piece is easy to fall off, and even a safety accident is caused, so that the anti-loosening fastener is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the anti-loosening fastener is provided for solving the problems that the bolt is easy to loosen after being used for a long time, the connecting piece is easy to fall off, and even safety accidents are caused.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anti-loosening fastener, includes bolt body and one end open-ended nut body, the top of bolt body is equipped with first spacing, the bottom of nut body is equipped with the spacing of second, first bolt has been run through in the center department of first spacing, it has the second bolt to run through on the spacing of second, close soon through first spread groove between first bolt and the bolt body and be connected, close soon through the second spread groove between second bolt and the nut body and be connected.

As a further description of the above technical solution:

the first limiting frame and the second limiting frame are of an integrally formed structure.

As a further description of the above technical solution:

the first limiting frame and the second limiting frame are both arranged in a U shape.

As a further description of the above technical solution:

the lower surface walls of the two stand columns at the bottom end of the first limiting frame are provided with avoidance grooves.

As a further description of the above technical solution:

the diameter of the avoiding groove is larger than the diameters of the two upright posts at the top of the second limiting frame.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, after bolt body and nut body are connected the object that will connect, the object that will fasten is run through with first spacing frame again, can fix first spacing frame at the top of bolt body through first bolt and first spread groove, through the setting of second bolt and second spread groove, can fix the bottom at the nut body with spacing frame of second, after first spacing frame is fixed with spacing frame of second, realized spacing to bolt body and nut body, can prevent that bolt body and nut body from taking place to rotate, locking effect has been played, the stability of the object that will connect has been improved, avoid the emergence of incident.

2. The utility model discloses in, the groove of dodging has been seted up to the bottom of first spacing, and two stands at first spacing top penetrate the inside of dodging the groove, applicable in the object of different thickness, and the practicality is higher.

Drawings

Fig. 1 shows a schematic structural view of a loose-proof fastener provided according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a first limiting frame according to an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a second limiting frame according to an embodiment of the present invention;

fig. 4 shows a schematic structural view of a bolt body and a nut body provided according to an embodiment of the present invention;

illustration of the drawings:

1. a bolt body; 2. a first bolt; 3. a first limit bracket; 4. a nut body; 5. a second bolt; 6. a second limiting frame; 7. an avoidance groove; 8. a first connecting groove; 9. a second connecting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an anti-loosening fastener, including bolt body 1 and one end open-ended nut body 4, the top of bolt body 1 is equipped with first spacing 3, the bottom of nut body 4 is equipped with second spacing 6, first spacing 3 and second spacing 6 are integrated into one piece structure, first spacing 3 and the direct manufacturing of the spacing 6 accessible mould of second, it is more convenient to produce, first spacing 3 and second spacing 6 are the setting of U-shaped, first bolt 2 has run through in the center department of first spacing 3, second bolt 5 has run through on the spacing 6 of second, it connects to close soon through first spread groove 8 between first bolt 2 and the bolt body 1, can fix first spacing 3 at the top of bolt body 1 through first bolt 2 and first spread groove 8, connect soon through second spread groove 9 between second bolt 5 and the nut body 4, can fix second spacing 6 in the bottom of nut body 4 through second bolt 5 and second spread groove 9 nut body 4.

Specifically, as shown in fig. 2, the avoiding groove 7 has been all seted up to the lower table wall of two stands of first spacing 3 bottom, and the diameter of avoiding groove 7 is greater than the diameter of two stands at spacing 6 top of second, and two stands at spacing 6 top of second can penetrate the inside of avoiding groove 7, applicable in the object of different thickness, and the practicality is higher.

The working principle is as follows: when two objects are connected and fastened, firstly, the two objects are connected through the bolt body 1 and the nut body 4 according to a normal connection sequence, then the first limiting frame 3 runs through the two objects, the first limiting frame 3 is fixed at the top of the bolt body 1 through the first bolt 2 and the first connecting groove 8, then two stand columns at the top of the second limiting frame 6 penetrate into the avoiding groove 7, the second limiting frame 6 is fixed at the top of the nut body 4 through the second bolt 5 and the second connecting groove 9, the first limiting frame 3 can limit the bolt body 1, the second limiting frame 6 can limit the nut body 4, the bolt body 1 and the nut body 4 can be prevented from rotating, the anti-loosening effect is achieved, and the stability of the device is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anti-loosening fastener, includes bolt body (1) and one end open-ended nut body (4), its characterized in that, the top of bolt body (1) is equipped with first spacing (3), the bottom of nut body (4) is equipped with second spacing (6), the center department of first spacing (3) runs through there is first bolt (2), it has second bolt (5) to run through on second spacing (6), close soon through first spread groove (8) between first bolt (2) and bolt body (1) and be connected, close soon through second spread groove (9) between second bolt (5) and the nut body (4) and be connected.

2. A locking fastener according to claim 1, wherein the first retaining bracket (3) and the second retaining bracket (6) are of one-piece construction.

3. A locking fastener according to claim 2, wherein the first retaining bracket (3) and the second retaining bracket (6) are both U-shaped.

4. The anti-loosening fastener according to claim 3, wherein the lower surface walls of the two columns at the bottom end of the first limiting frame (3) are provided with avoidance grooves (7).

5. A fastener according to claim 4, characterized in that the diameter of said escape slot (7) is greater than the diameter of the two uprights at the top of the second retaining frame (6).