CN214578228U

CN214578228U - Anti-loosening hexagonal nut

Info

Publication number: CN214578228U
Application number: CN202120214822.5U
Authority: CN
Inventors: 田聪聪; 王�琦
Original assignee: Jiangsu Yongya Automobile Accessory Co ltd
Current assignee: Jiangsu Yongya Automobile Accessory Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-02
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a hexagonal nut for preventing looseness, which comprises a nut main body, wherein the inner side of the right end of the nut main body is fixedly connected with a fixed block, the inner side of the fixed block is rotatably connected with a rotating disc, the other end of the rotating disc is fixedly connected with an adjusting screw rod, the adjusting screw rod is rotatably connected with the fixed block, the outer side of the adjusting screw rod is spirally connected with a thread cylinder, the other end of the thread cylinder is fixedly connected with a limit frame, the inner side of the top end of the nut main body is clamped with a connecting ring, the fixed block, the rotating disc, the limit frame and a clamping groove are used in the hexagonal nut for preventing looseness, after the nut main body is connected with an external bolt, the clamping groove at the inner side of the limit frame is clamped with the thread of the external bolt under the action of the adjusting screw rod, and the nut main body and the external bolt can not generate relative rotation under the action of the limit frame, thereby can guarantee that nut main part and external bolt can not take place relative rotation, and then prevent that not hard up phenomenon from appearing in the nut main part.

Description

Anti-loosening hexagonal nut

Technical Field

The utility model belongs to the mechanical component field, concretely relates to prevent not hard up hexagon nut.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials.

When the surface of a part to be locked is not high in hardness and is soft, the nut does not slide relative to the part to be locked after long-time vibration, so that the nut and an external bolt are easy to loosen; meanwhile, the nut cannot protect the end part of the external bolt after being locked, so that dirt is easily attached between the nut and the external bolt, and the nut and the external bolt are rusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent not hard up hexagon nut to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent not hard up hexagon nut, includes the nut main part, the inboard fixedly connected with fixed block of right-hand member of nut main part, the inboard rotation of fixed block is connected with the rolling disc, the other end fixedly connected with adjusting screw of rolling disc, and adjusting screw rotate with the fixed block and be connected, adjusting screw's outside screwed connection has a screw thread section of thick bamboo, the spacing frame of other end fixedly connected with of a screw thread section of thick bamboo, the inboard block in top of nut main part has the go-between, the dust cover that the top fixedly connected with of go-between sheltered from the dust.

Preferably, a sealing ring for sealing between the connection ring and the nut body is fixedly connected to the outer side of the connection ring, and the sealing ring is made of a rubber ring.

Preferably, the adjusting screw and the rotating part surface of the fixed block are smoothly arranged.

Preferably, the inner side of the thread cylinder is provided with threads, and the thread cylinder is in threaded connection with the adjusting screw rod through the threads.

Preferably, the inner side of the limit frame is provided with a clamping groove clamped with the thread of the external bolt.

Preferably, the inner side of the rotating disc is provided with a hexagonal groove for inserting a wrench.

The utility model discloses a technological effect and advantage:

1. this a fixed block, rolling disc, adjusting screw, spacing frame and draw-in groove that are arranged in one kind to prevent not hard up hexagon nut, the back is in the same place with external bolted connection in the nut main part, make the inboard draw-in groove of spacing frame and external bolt's screw thread joint be in the same place under adjusting screw's effect, make nut main part and external bolt relative rotation can not appear under the effect of spacing frame to can guarantee that nut main part and external bolt can not take place relative rotation, and then prevent that not hard up phenomenon from appearing in the nut main part.

2. This a go-between, dust cover and sealing ring that is arranged in one kind to prevent not hard up hexagon nut, after nut main part and external bolted connection are in the same place, block go-between and sealing ring into the inboard of nut main part, make the dust cover in the top of nut main part and external bolt, can prevent through the dust cover that the dust from falling between nut main part and the external bolt.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of an enlarged mounting structure of the limiting frame of the present invention;

fig. 3 is a schematic structural view of the limiting frame and the external thread of the present invention.

In the figure: 1. a nut body; 2. a connecting ring; 3. a dust cover; 4. a fixed block; 5. rotating the disc; 6. adjusting the screw rod; 7. a limiting frame; 8-a clamping groove; 9. a seal ring; 10. a threaded barrel.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model provides a prevent hexagon nut that becomes flexible as shown in fig. 1-3, including nut main part 1, the inboard fixedly connected with fixed block 4 of right-hand member of nut main part 1, the inboard rotation of fixed block 4 is connected with rolling disc 5, the other end fixedly connected with adjusting screw 6 of rolling disc 5, and adjusting screw 6 rotates with fixed block 4 to be connected, adjusting screw 6's outside screwed connection has a screw thread section of thick bamboo 10, the spacing frame 7 of the other end fixedly connected with of screw thread section of thick bamboo 10, the inboard block in top of nut main part 1 has go-between 2, the top fixedly connected with of go-between 2 carries out the dust cover 3 that shelters from the dust, can prevent through the dust cover 3 that the dust from falling between the external bolt of nut main part 1.

Specifically, the outer side of the connection ring 2 is fixedly connected with a sealing ring 9 for sealing between the connection ring 2 and the nut body 1, the sealing ring 9 is made of a rubber ring, and the sealing performance between the connection ring 2 and the nut body 1 can be improved through the sealing ring 9.

Specifically, the surfaces of the rotating parts of the adjusting screw 6 and the fixed block 4 are smoothly arranged, so that the adjusting screw 6 can rotate on the inner side of the fixed block 4 conveniently.

Specifically, the inner side of the threaded cylinder 10 is provided with threads, and the threaded cylinder 10 is in threaded connection with the adjusting screw 6 through the threads, so that the adjusting screw 6 drives the threaded cylinder 10 to move.

Specifically, the inner side of the limiting frame 7 is provided with a clamping groove 8 clamped with the threads of the external bolt, so that the limiting frame 7 is conveniently clamped with the external threads.

Specifically, a hexagonal groove for inserting a wrench is formed in the inner side of the rotating disc 5, so that the rotating disc 5 can be rotated by the wrench.

This be used for one kind to prevent not hard up hexagon nut in the in-process that uses, the staff is in the same place nut main part 1 and external bolted connection through external spanner, then the staff is through external spanner rotatory rolling disc 5, make rolling disc 5 take adjusting screw 6 to rotate at the inboard spiral of screw thread section of thick bamboo 10, take spacing frame 7 and the inboard draw-in groove 8 of spacing frame 7 gradually with the screw thread block of external bolt under the effect of screw thread section of thick bamboo 10, make nut main part 1 and external bolt can not take place relative rotation under the effect of spacing frame 7, thereby can guarantee that nut main part 1 can not appear not hard up phenomenon, then the staff is in the same place go-between 2 and the nut main part 1 block that has sealing ring 9 and dust cover 3, the dust cover can make the dust can not get into between nut main part 1 and the external bolt under the effect of 3.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a prevent hexagon nut that becomes flexible, includes nut main part (1), its characterized in that: the utility model discloses a nut, including nut main part (1), the inboard fixedly connected with fixed block of right-hand member (4), the inboard rotation of fixed block (4) is connected with rolling disc (5), the other end fixedly connected with adjusting screw (6) of rolling disc (5), and adjusting screw (6) rotate with fixed block (4) and be connected, the outside screwed connection of adjusting screw (6) has a screw thread section of thick bamboo (10), the spacing frame of other end fixedly connected with (7) of a screw thread section of thick bamboo (10), the inboard block in top of nut main part (1) has go-between (2), the top fixedly connected with of go-between (2) carries out dust cover (3) of sheltering from to the dust.

2. A loosening prevention hexagonal nut according to claim 1, wherein: the outer side of the connecting ring (2) is fixedly connected with a sealing ring (9) for sealing between the connecting ring (2) and the nut main body (1), and the sealing ring (9) is made of a rubber ring.

3. A loosening prevention hexagonal nut according to claim 1, wherein: the surfaces of the rotating parts of the adjusting screw rod (6) and the fixed block (4) are smoothly arranged.

4. A loosening prevention hexagonal nut according to claim 1, wherein: the inner side of the thread cylinder (10) is provided with threads, and the thread cylinder (10) is in threaded connection with the adjusting screw rod (6) through the threads.

5. A loosening prevention hexagonal nut according to claim 1, wherein: and a clamping groove (8) clamped with the thread of the external bolt is formed in the inner side of the limiting frame (7).

6. A loosening prevention hexagonal nut according to claim 1, wherein: the inner side of the rotating disc (5) is provided with a hexagonal groove for inserting a wrench.