CN218624996U

CN218624996U - Anti-drop bolt

Info

Publication number: CN218624996U
Application number: CN202222605926.6U
Authority: CN
Inventors: 董正伟; 马志文; 吕良昆
Original assignee: Qingdao Chengzhuolin Metal Products Co ltd
Current assignee: Qingdao Chengzhuolin Metal Products Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-14
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an anti-drop bolt, including bolt and fixed subassembly, the bolt both sides all are provided with fixed subassembly, bolt top fixedly connected with nut, the surperficial threaded connection of bolt has the nut, T type groove has all been seted up to the nut both sides, T type inslot portion upper end fixed mounting has the dead lever, the surface rotation of dead lever is connected with the sleeve, the sleeve passes through connecting plate and framework upper end fixed connection. The utility model discloses all be provided with fixed subassembly in the both sides of nut, after the nut installation is accomplished, the rotating sleeve for framework upper end and the laminating of nut bottom, the first clamp splice of both sides is fixed the position of framework, and the second clamp splice of both sides and the laminating of the surface of bolt this moment, the second spring is in the state of compression, thereby the second clamp splice of both sides carries out the centre gripping to the bolt, make the bolt under the influence of shake or stress, the nut can not break away from the bolt.

Description

Anti-drop bolt

Technical Field

The utility model relates to a bolt technical field specifically is to relate to an anti-drop bolt.

Background

The bolt is a mechanical part which is used for fastening and connecting and has wide application, and the bolt has wide application industries including electric appliances, machinery, chemical engineering, metallurgy, dies and the like.

The prior art has the following problems: the existing bolt is easily affected by the use environment in the use process, the influence of shaking or stress occurs, the nut is easily loosened and falls off, and the falling off of the nut easily causes the separation of the bolt, so that the fixation effect is lost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the technical scheme provides the anti-falling bolt, and solves the problems that the existing bolt proposed in the background art is easily affected by the use environment, shakes or stress, is easy to loosen and fall off a nut, and the falling off of the nut easily causes the separation of the bolt, so that the fixing effect is lost.

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

the utility model provides an anti-drop bolt, includes bolt and fixed subassembly, the bolt both sides all are provided with fixed subassembly, bolt top fixedly connected with nut, the surperficial threaded connection of bolt has the nut, T type groove has all been seted up to the nut both sides, T type inslot portion upper end fixed mounting has the dead lever, the surface rotation of dead lever is connected with the sleeve, the sleeve passes through connecting plate and framework upper end fixed connection, the mounting groove has all been seted up to T type inslot portion both sides, the inside fixed mounting of mounting groove has a fixed section of thick bamboo, wherein, fixed subassembly includes the framework, the second spout has all been seted up to the inside both sides of framework, the inside one side of framework and the one end fixed connection of second spring, second spring other end fixedly connected with fly leaf, the equal fixed mounting in fly leaf both sides has the second slider, one side fixed mounting that the second spring was kept away from to the fly leaf has the second clamp splice.

Preferably, the second sliding block is connected with the second sliding groove in a sliding mode, and the second sliding block is matched with the second sliding groove.

Preferably, first spouts have all been seted up at both ends about the solid fixed cylinder, the inside bottom of solid fixed cylinder and the one end fixed connection of first spring, first spring other end fixedly connected with movable block, the equal fixed mounting in movable block one end both sides has first slider, the movable block other end runs through the inside one end of solid fixed cylinder to extend to the outside of solid fixed cylinder, and the first clamp splice of fixedly connected with.

Preferably, the first sliding block is connected with the first sliding groove in a sliding mode, and the first sliding block is matched with the first sliding groove.

Compared with the prior art, the utility model provides an anti-drop bolt possesses following beneficial effect:

the utility model discloses all be provided with fixed subassembly in the both sides of nut, after the nut installation is accomplished, the rotating sleeve for framework upper end and the laminating of nut bottom, the first clamp splice of both sides is fixed the position of framework, and the second clamp splice of both sides and the laminating of the surface of bolt this moment, the second spring is in the state of compression, thereby the second clamp splice of both sides carries out the centre gripping to the bolt, make the bolt under the influence of shake or stress, the nut can not break away from the bolt.

Drawings

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

fig. 2 is a schematic structural view of the present invention at another viewing angle;

FIG. 3 is a schematic view of the internal structure of the middle fixed cylinder of the present invention;

fig. 4 is a schematic structural view of the fixing assembly of the present invention;

fig. 5 is a partially enlarged schematic view of a point a in fig. 4 according to the present invention.

The reference numbers in the figures are:

1. a bolt; 101. a nut; 102. a nut; 103. a T-shaped groove; 104. mounting grooves; 105. a fixed cylinder; 106. a first chute; 107. a first spring; 108. a movable block; 109. a first slider; 110. a first clamping block; 111. fixing the rod; 112. a sleeve; 113. a connecting plate; 2. a fixing assembly; 201. a frame body; 202. A second spring; 203. a movable plate; 204. a second chute; 205. a second slider; 206. and a second clamping block.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-5, an anti-drop bolt comprises a bolt 1 and a fixed assembly 2, the fixed assembly 2 is arranged on both sides of the bolt 1, a nut 101 is fixedly connected to the top end of the bolt 1, a nut 102 is connected to the surface of the bolt 1 in a threaded manner, T-shaped grooves 103 are formed in both sides of the nut 102, fixed rods 111 are fixedly mounted at the upper ends inside the T-shaped grooves 103, a sleeve 112 is connected to the surface of the fixed rods 111 in a rotating manner, the sleeve 112 is fixedly connected to the upper end of a frame 201 through a connecting plate 113, mounting grooves 104 are formed in both sides inside the T-shaped grooves 103, fixed cylinders 105 are fixedly mounted inside the mounting grooves 104, first sliding grooves 106 are formed in both upper and lower ends of the fixed cylinders 105, the bottom ends inside the fixed cylinders 105 are fixedly connected to one ends of first springs 107, movable blocks 108 are fixedly connected to the other ends of the first springs 107, first sliding blocks 109 are fixedly mounted on both sides of one end of the movable blocks 108, the other ends of the movable blocks 108 penetrate through one ends inside of the fixed cylinders 105 and extend to the outside of the fixed cylinders 105, and are fixedly connected to first clamping blocks 110, the first sliding blocks 109 are slidably connected to the first sliding grooves 106, and the first sliding blocks 109 are matched with the first sliding grooves 106. When the nut 102 is used, the first clamping block 110 is pushed firstly, so that the first spring 107 is compressed, the fixing of the first clamping block 110 on the connecting plate 113 is released, then the sleeve 112 is rotated, so that the frame body 201 is no longer located at the bottom end of the nut 102, then the first clamping block 110 is loosened, under the action of the first spring 107, the first clamping blocks 110 on the two sides are attached, so that a worker can conveniently install the nut 102 on the surface of the bolt 1, after the nut 102 is installed, the worker pushes the first clamping block 110 again, the sleeve 112 is rotated, so that the upper end of the frame body 201 is attached to the bottom end of the nut 102, the first clamping blocks 110 are loosened again, and under the action of the first spring 107, the first clamping blocks 110 on the two sides respectively clamp the two sides of the connecting plate 113, so that the frame body 201 is fixed.

The fixing assembly 2 includes a frame 201, second sliding grooves 204 are respectively formed in two sides of the inside of the frame 201, one side of the inside of the frame 201 is fixedly connected to one end of a second spring 202, the other end of the second spring 202 is fixedly connected to a movable plate 203, second sliding blocks 205 are respectively fixedly mounted on two sides of the movable plate 203, a second clamping block 206 is fixedly mounted on one side of the movable plate 203 far away from the second spring 202, the second sliding blocks 205 are slidably connected to the second sliding grooves 204, and the second sliding blocks 205 are matched with the second sliding grooves 204. When the upper end of the frame 201 is attached to the bottom end of the nut 102, the second clamping blocks 206 on both sides are attached to the surface of the bolt 1, and the second spring 202 is in a compressed state, so that the bolt 1 is clamped by the second clamping blocks 206 on both sides, and the nut 102 cannot be separated from the bolt 1 under the influence of shaking or stress of the bolt 1.

The working principle and the using process of the device are as follows: when the nut 102 is used, the first clamping block 110 is pushed firstly, so that the first spring 107 is compressed, the fixing of the first clamping block 110 on the connecting plate 113 is released, then the sleeve 112 is rotated, so that the frame body 201 is no longer located at the bottom end of the nut 102, then the first clamping block 110 is loosened, under the action of the first spring 107, the first clamping blocks 110 on the two sides are attached, so that the nut 102 is convenient for a worker to install on the surface of the bolt 1, after the nut 102 is installed, the worker pushes the first clamping block 110 again, the sleeve 112 is rotated, so that the frame body 201 is located at the bottom end of the nut 102, the first clamping blocks 110 are loosened again, under the action of the first spring 107, the first clamping blocks 110 on the two sides respectively clamp the two sides of the connecting plate 113, so that the frame body 201 is fixed, at the moment, the second clamping blocks 206 on the two sides are attached to the surface of the bolt 1, the second spring 202 is in a compressed state, so that the second clamping blocks 206 on the two sides clamp the bolt 1, so that the bolt 102 cannot be separated from the bolt 1 under the influence of shaking or stress.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The anti-falling bolt is characterized by comprising a bolt (1) and a fixing component (2), wherein the fixing component (2) is arranged on each of two sides of the bolt (1), a nut (101) is fixedly connected to the top end of the bolt (1), a nut (102) is in threaded connection with the surface of the bolt (1), T-shaped grooves (103) are formed in each of two sides of the nut (102), a fixing rod (111) is fixedly installed at the upper end inside each T-shaped groove (103), a sleeve (112) is rotatably connected to the surface of the fixing rod (111), the sleeve (112) is fixedly connected with the upper end of a frame body (201) through a connecting plate (113), installation grooves (104) are formed in each of two sides inside each T-shaped groove (103), and a fixing barrel (105) is fixedly installed inside each installation groove (104); the fixing assembly (2) comprises a frame body (201), second sliding grooves (204) are formed in two sides of the inside of the frame body (201), one side of the inside of the frame body (201) is fixedly connected with one end of a second spring (202), the other end of the second spring (202) is fixedly connected with a movable plate (203), second sliding blocks (205) are fixedly mounted on two sides of the movable plate (203), and a second clamping block (206) is fixedly mounted on one side, far away from the second spring (202), of the movable plate (203).

2. A drop-preventing bolt according to claim 1, wherein: the second sliding block (205) is connected with the second sliding groove (204) in a sliding mode, and the second sliding block (205) is matched with the second sliding groove (204).

3. A drop-preventing bolt according to claim 1, wherein: first spout (106) have all been seted up at both ends about solid fixed cylinder (105), the one end fixed connection of the inside bottom of solid fixed cylinder (105) and first spring (107), first spring (107) other end fixedly connected with movable block (108), the equal fixed mounting in movable block (108) one end both sides has first slider (109), the movable block (108) other end runs through the inside one end of solid fixed cylinder (105) to extend to the outside of solid fixed cylinder (105), and the first clamp splice of fixedly connected with (110).

4. A drop-preventing bolt according to claim 3, wherein: the first sliding block (109) is connected with the first sliding groove (106) in a sliding mode, and the first sliding block (109) is matched with the first sliding groove (106).