CN220354254U

CN220354254U - Looseness-preventing nut

Info

Publication number: CN220354254U
Application number: CN202321402556.4U
Authority: CN
Inventors: 黄伟豪; 李邦; 杨才; 杨海武
Original assignee: Zhejiang Bangli Hardware Products Co ltd
Current assignee: Zhejiang Bangli Hardware Products Co ltd
Priority date: 2023-06-03
Filing date: 2023-06-03
Publication date: 2024-01-16
Anticipated expiration: 2033-06-03

Abstract

The application discloses nut that can prevent not hard up relates to nut technical field. The nut comprises a nut body, a through hole is formed in the nut body, an inner thread is fixedly connected to the inner side wall of the nut body, a square hole is formed in one side of the nut body, a clamping mechanism is arranged in the square hole, and the clamping mechanism comprises a clamping block I which is connected to the inside of the nut body in a sliding mode through the square hole. The first clamping block slides in the square hole, the second clamping block is fixedly clamped with the second clamping groove, the first clamping groove is firmly propped against the bolt, the effect of locking the nut rapidly is achieved, the second clamping block is circular, the compression spring is compressed under the action of external force, the second clamping block is separated from the second clamping groove, the first clamping block is far away from the bolt, the locking of the nut main body can be released, and the effect of conveniently unlocking the nut is achieved, so that the nut locking device is more practical.

Description

Looseness-preventing nut

Technical Field

The application relates to the technical field of nuts, in particular to a looseness-preventing nut.

Background

The magnetic nut is a mechanical part used for fastening connection and extremely wide in application, has wide application industry, can be seen on various machines, equipment, vehicles, ships, railways, buildings and the like, is the most widely applied mechanical base part, the nut and the gasket are usually matched with a bolt to form a fastener, the fastening structure is formed by inserting the bolt into the connecting part, the other end of the bolt is sleeved with the gasket, and the bolt is screwed and fixed through the threaded connection of the nut and the bolt.

The prior Chinese published patent (CN 211852465U) discloses a locking nut which comprises a first nut piece, a first nut piece body and a positioning needle, wherein the positioning needle is made of a metal material, is integrally formed with the first nut piece and is positioned on the end face of the first nut piece; the second nut piece comprises a second nut piece body and a positioning hole, a positioning needle is formed on the second nut piece body, the positioning needle can penetrate through the positioning hole, and one end of the positioning needle penetrating through the positioning hole can be bent and erected on the end face of the second nut piece, which is far away from the first nut piece; the reinforcing gasket comprises a gasket body and a reinforcing part, wherein the gasket body is arranged between the first nut piece and the second nut piece, the reinforcing part and the gasket body are integrally formed, and the reinforcing part is positioned at the screw opening of the first nut piece body and the second nut piece.

Because the nut structure is simpler, it cooperates through threaded connection with the bolt and plays fixed effect, along with mechanical working vibration, after long-term use, nut and bolt probably receive resonance loosening, influence the fixed to the object.

Disclosure of Invention

The purpose of the present application is: because the nut structure is simpler, it passes through threaded connection with the bolt cooperation and plays fixed effect, along with mechanical working vibration, after long-term use, nut and bolt probably receive the not hard up problem of resonance, this application provides a nut that can prevent loosening.

The application specifically adopts the following technical scheme for realizing the purposes:

the utility model provides a nut that can prevent not hard up, includes the nut main part, the through-hole has been seted up to the inside of nut main part, the inside wall fixedly connected with internal thread of nut main part, square hole has been seted up to one side of nut main part, the inside of square hole is provided with block mechanism, block mechanism includes the block one inside the nut main part through square hole sliding connection, one side fixedly connected with push-and-pull rod of internal thread is kept away from to block one, one side fixedly connected with push-and-pull handle of block one is kept away from to the push-and-pull rod, block one's top is provided with spacing subassembly.

Through adopting above-mentioned technical scheme, carry out threaded connection through the internal thread that the inside wall set up and bolt and form fixedly, remove through push-and-pull handle drive block one.

Further, the outer surface of the push-pull handle is fixedly connected with an anti-slip texture.

By adopting the technical scheme, the anti-skid texture surface is provided with the texture design, and is fixed on the surface of the push-pull handle, so that the friction force is enhanced to achieve the anti-skid purpose.

Further, a sliding groove is formed in the inner bottom wall of the square hole, a sliding block is fixedly connected to the bottom of the first clamping block, and the sliding groove is in sliding connection with the sliding block.

By adopting the technical scheme, the first convenient clamping block slides in the square hole.

Further, the limiting component comprises a vertical groove fixedly formed in the top of the clamping block, a compression spring is arranged above the inside of the vertical groove, the top end of the compression spring is fixedly connected with the inner top wall of the vertical groove, the bottom of the compression spring is fixedly connected with a clamping block II, and the clamping block is abutted to the clamping block I through the compression spring.

Through adopting above-mentioned technical scheme, fix the block through compression spring, and then form fixedly to the bolt.

Further, a first clamping groove is formed in one side, close to the internal thread, of the first clamping block, and the first clamping groove corresponds to the internal thread in size.

Through adopting above-mentioned technical scheme, the size of block groove one corresponds with the internal thread, is convenient for fix the bolt.

Further, a second clamping block is fixedly connected to the bottom of the compression spring, and the second clamping block is abutted to the first clamping block through the compression spring.

Through adopting above-mentioned technical scheme, fix block one through the reset of spring.

Further, a second clamping groove is formed in one side of the top of the first clamping block, and the second clamping groove is matched with the second clamping block in size.

Through adopting above-mentioned technical scheme, when using, compression spring is in compressed state in perpendicular inslot portion for circular through block two setting for compression spring's effect still can be in the inside slip of square hole.

In summary, the present application includes at least one of the following benefits;

the nut body can be fast fastened with the bolt through being provided with first, second, the bolt fastening of block, and through first at the square hole inside slip of block, it is fixed with second block, make first firmly support the bolt of block, and then reach and carry out the fixed effect of centre gripping to the nut fast, reduce and make nut and bolt become flexible at machine resonance.

The application, through being provided with block two and block groove two, be circular through block two setting, make compression spring compressed under the effect of external force, make block two break away from block groove two, make block one keep away from the bolt, can release the locking to the nut main part, and then reach the effect of being convenient for to the release to the nut locking, it is comparatively practical.

Drawings

FIG. 1 is a schematic perspective view of a device body of the present application;

FIG. 2 is a perspective schematic perspective view of the device body of the present application;

fig. 3 is an enlarged perspective view of fig. 2 a in the present application.

Reference numerals illustrate:

1. a nut body; 2. a through hole; 3. an internal thread; 4. square holes; 5. a clamping mechanism; 51. the first clamping block is arranged; 52. a push-pull rod; 53. push-pull handle; 54. a vertical groove; 55. a compression spring; 56. a second clamping block; 57. a second clamping groove; 58. a first clamping groove; 59. and a sliding groove.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3 of the drawings.

The embodiment of the application discloses a nut capable of preventing loosening.

Referring to fig. 1 and 2, a nut capable of preventing loosening comprises a nut main body 1, wherein a through hole 2 is formed in the nut main body 1, an internal thread 3 is arranged on the inner side wall of the nut main body 1, a square hole 4 is formed in one side of the nut main body 1, a clamping mechanism 5 is arranged in the square hole 4, the clamping mechanism 5 comprises a first clamping block 51 which is slidably connected in the nut main body 1 through the square hole 4, and when the nut is used, the first clamping block 51 is conveniently square in shape and slides in the square hole 4.

Referring to fig. 2 and 3, a push-pull rod 52 is fixedly connected to one side of the first clamping block 51 away from the internal thread 3, a push-pull handle 53 is fixedly connected to one side of the push-pull rod 52 away from the first clamping block 51, anti-slip textures are fixedly connected to the outer surface of the push-pull handle 53, a limiting component is arranged at the top of the first clamping block 51, a sliding groove 59 is formed in the inner bottom wall of the square hole 4, a sliding block is fixedly connected to the bottom of the first clamping block 51, and the sliding groove 59 is in sliding connection with the sliding block. When the clamping device is used, the push-pull handle 53 is driven to enable the push rod to slide in the square hole 4, and the first clamping block 51 is convenient to slide in the square hole 4 through the sliding groove 59 arranged at the bottom of the square hole 4, so that the first clamping block 51 is far away from or close to the bolt to be clamped and fixed.

Referring to fig. 2 and 3, a first engagement groove 58 is formed in a side of the first engagement block 51, which is close to the internal thread 3, and the first engagement groove 58 corresponds to the internal thread 3 in size. When in use, the first clamping block 51 is provided with the first clamping groove 58 matched with the internal thread 3 box, so that the bolt can be clamped and fixed more conveniently.

Referring to fig. 2 and 3, the limiting component comprises a vertical groove 54 fixedly formed in the top of the first clamping block 51, a compression spring 55 is arranged above the inside of the vertical groove 54, the top end of the compression spring 55 is fixedly connected with the inner top wall of the vertical groove 54, a second clamping block 56 is fixedly connected to the bottom of the compression spring 55, the second clamping block 56 is abutted to the first clamping block 51 through the compression spring 55, a second clamping groove 57 is formed in one side of the top of the first clamping block 51, and the second clamping groove 57 is matched with the second clamping block 56 in size. When the compression spring 55 is in a compressed state in the vertical groove 54, the compression spring 55 is circular through the second clamping block 56, so that the compression spring 55 can still slide in the square hole 4 under the action of the compression spring 55, when the first clamping block 51 is driven to clamp close to the internal thread 3, the second clamping block 57 is clamped through the second clamping groove 57 arranged at the top of the first clamping block 51, the second clamping block 56 and the second clamping groove 57 are clamped under the restoring force of the compression spring 55, the bolt is fixed, and when the bolt needs to be taken out, the compression spring 55 is compressed through the circular second clamping block 56 under the action of external force, the second clamping block 56 is separated from the second clamping groove 57, and the compression spring 55 enters a compressed state.

Working principle: when the nut body 1 needs to be locked, first, the nut body 1 is screwed and fastened with the bolt, then the first locking block 51 is inserted into the square hole 4, the second locking block 56 and the second locking groove 57 are locked under the restoring force of the compression spring 55 while the first locking block 51 is driven, and the second locking block 56 abuts against the second locking groove 57, so that the nut can be locked. When the locking of the nut main body 1 is required to be released, a worker only needs to pull the push handle outwards by hand, the compression spring 55 is compressed under the action of external force through the round clamping block II 56, the clamping block II 56 is separated from the clamping groove II 57, the clamping block I51 is far away from the bolt, and the locking of the nut main body 1 can be released, so that the nut is more practical.

Claims

1. The utility model provides a nut that can prevent loosening, includes nut main part (1), its characterized in that: the nut comprises a nut body (1), wherein a through hole (2) is formed in the nut body (1), an inner thread (3) is fixedly connected to the inner side wall of the nut body (1), a square hole (4) is formed in one side of the nut body (1), a clamping mechanism (5) is arranged in the square hole (4), and the clamping mechanism (5) comprises a first clamping block (51) which is slidably connected to the inside of the nut body (1) through the square hole (4);

one side of the first clamping block (51) far away from the internal thread (3) is fixedly connected with a push-pull rod (52), one side of the push-pull rod (52) far away from the first clamping block (51) is fixedly connected with a push-pull handle (53), and the top of the first clamping block (51) is provided with a limiting assembly.

2. A looseness-resistant nut of claim 1, wherein: the outer surface of the push-pull handle (53) is fixedly connected with an anti-slip texture.

3. A looseness-resistant nut of claim 1, wherein: a sliding groove (59) is formed in the inner bottom wall of the square hole (4), a sliding block is fixedly connected to the bottom of the first clamping block (51), and the sliding groove (59) is in sliding connection with the sliding block.

4. A looseness-resistant nut of claim 1, wherein: the limiting component comprises a first clamping groove (58) which is formed in the first clamping block (51) and close to the internal thread (3), a vertical groove (54) is formed in the top of the clamping block, a compression spring (55) is arranged above the inside of the vertical groove (54), and the top end of the compression spring (55) is fixedly connected with the inner top wall of the vertical groove (54).

5. A looseness-resistant nut of claim 4, wherein: the first clamping groove (58) corresponds to the internal thread (3) in size.

6. A looseness-resistant nut of claim 4, wherein: the bottom of the compression spring (55) is fixedly connected with a second clamping block (56), and the second clamping block (56) is abutted to the first clamping block (51) through the compression spring (55).

7. A looseness-resistant nut of claim 1, wherein: and a second clamping groove (57) is formed in one side of the top of the first clamping block (51), and the size of the second clamping groove (57) is matched with that of the second clamping block (56).