CN221347562U

CN221347562U - High-strength steel structure bolt

Info

Publication number: CN221347562U
Application number: CN202420088798.9U
Authority: CN
Inventors: 石磊; 陈娅静; 梁达; 陈盘龙
Original assignee: Handan Dongtai Fastener Co ltd
Current assignee: Handan Dongtai Fastener Co ltd
Priority date: 2024-01-15
Filing date: 2024-01-15
Publication date: 2024-07-16
Anticipated expiration: 2034-01-15

Abstract

The utility model provides a high-strength steel structure bolt which comprises a bolt, wherein the bolt is in threaded connection with a nut, a first groove is formed in the top end of the bolt, a second groove is formed in the bottom of the bolt, the first groove and the second groove are communicated, two arc plates are movably installed in the second groove, a support piece is fixedly installed on the arc plates, a connecting rod is slidably installed on the support piece, the connecting rod is abutted to the nut, a third groove is formed in the support piece, a first spring is arranged in the third groove, one end of the first spring is fixedly connected with the connecting rod, the other end of the first spring is fixedly connected with the inner wall of the support piece, a small bolt is connected in the first groove, the bolt is made of 304 stainless steel, the connecting rod is in sliding connection with the inner wall of the support piece, the groove formed in the bolt penetrates through the bolt body, and the arc plates are connected through threads so that the threaded plates are clamped, and the connecting piece is clamped.

Description

High-strength steel structure bolt

Technical Field

The utility model relates to the technical field of bolts, in particular to a high-strength steel structure bolt.

Background

Bolts are mechanical parts and are used with cylindrical threaded fasteners of nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut for fastening two parts with through holes. This form of connection is called bolting. If the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to the detachable connection.

The steel structure bolt is mainly applied to steel structure engineering and is used for connecting connection points of steel plates of the steel structure. Therefore, the steel structure bolt is often subjected to the stress of the steel structure steel plate in use, so that the high-strength bolt is required to be adopted, meanwhile, the bolt receives the stress friction of the steel structure, the threads on the screw rod can be damaged, the firmness of the bolt connection is reduced, and the service life is greatly reduced.

In view of this, it is necessary to provide a high strength steel structural bolt.

Disclosure of utility model

The utility model aims to provide a high-strength steel structure bolt so as to solve the problems of weak bolt connection and low service life.

The technical scheme includes that the high-strength steel structure bolt comprises a bolt, the bolt is in threaded connection with a nut, a first groove is formed in the top end of the bolt, a second groove is formed in the bottom of the bolt, the first groove and the second groove are communicated, two arc plates are movably installed in the second groove, a supporting piece is fixedly installed on the arc plates, a connecting rod is slidably installed on the supporting piece, the connecting rod is abutted to the nut, a third groove is formed in the supporting piece, a first spring is arranged in the third groove, one end of the first spring is fixedly connected with the connecting rod, and the other end of the first spring is fixedly connected with the inner wall of the supporting piece.

Preferably, the first groove is internally connected with a small bolt in a threaded manner, and the bottom of the small bolt is clamped between the two arc plates.

Preferably, threads are arranged on the arc-shaped plate.

Preferably, the bolt and the nut are both made of 304 stainless steel.

Preferably, the connecting rod is slidably connected to the inner wall of the support.

Preferably, the arc-shaped plate is fixedly connected with the support piece through a second bolt.

Preferably, a second spring is fixedly arranged between the two arc-shaped plates

Compared with the prior art, the utility model has the beneficial effects that:

1. The groove is formed in the bolt, the bolt body is penetrated, the small bolt is arranged in the groove, and the arc plate is connected through threads, so that the threaded plate is clamped, and the connecting piece is clamped;

2. the connecting rod is arranged on the connecting piece, so that the supporting and propping effect on the nut is realized, and the stability of the nut is enhanced;

3. the first springs are arranged in the connecting piece to disperse the force born by the nut, so that the service life of the bolt is prolonged.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

fig. 3 is a schematic top view of the present utility model.

Fig. 4 is a schematic top view of the arc plate of the present utility model.

In the figure: 1. and (5) a bolt. 2. Nut, 3, support piece, 4, little bolt, 5, arc, 6, bolt two, 11, recess one, 12, recess two, 31, connecting rod, 32, recess three, 33, spring one, 51, spring two.

Detailed Description

For the purpose of making the objects, advantages and technical solutions of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

According to fig. 1-4, the embodiment provides a high-strength steel structure bolt, which comprises a bolt 1 and a nut 2, wherein the bolt 1 is in threaded connection with the nut 2, a first groove 11 is formed in the top end of the bolt 1, a first groove 11 is formed in the bottom of the bolt 1, a second groove 12 is formed in the bottom of the bolt 1, the first groove 11 and the second groove 12 are communicated, two arc plates 5 are movably installed in the second groove 12, the arc plates 5 are made of hard materials with certain elasticity and resilience, a supporting piece 3 is fixedly installed on the arc plates 5, the supporting piece 3 comprises a connecting rod 31, the connecting rod 31 is used for supporting the nut 2, the connecting rod 31 is abutted against the nut 2, a third groove 32 is formed in the supporting piece 3, a first spring 33 is arranged in the third groove 32, one end of the first spring 33 is fixedly connected with the connecting rod 31, and the connecting rod 31 has certain supportability to the nut 2 due to the restoring force of the first spring 33, and the other end of the first spring 33 is fixedly connected with the inner wall of the supporting piece 3; the groove I11 is internally and threadedly connected with a small bolt 4, and the bottom of the small bolt 4 is clamped between the two arc plates 5, so that when the small bolt 4 rotates downwards, the arc plates 5 are extruded, and the groove II 12 is clamped; the arc-shaped plate 5 is provided with threads, so that the small bolt 4 is conveniently in threaded connection with the arc-shaped plate 5; the bolt 1 and the nut 2 are made of 304 stainless steel materials, and the connecting rod 31 is in sliding connection with the inner wall of the supporting piece 3; the arc-shaped plate 5 is fixedly connected with the support piece 3 through a second bolt 6, so that the support piece 3 is convenient to replace; a second spring 51 is fixedly arranged between the two arc plates 5, so that the small bolt 4 can move towards the center of the second groove 12 when the arc plates 5 are screwed.

The specific operation is as follows: the bolt 1 is connected with the nut 2, the small bolt 4 is connected with the inner wall of the bolt 1 through the first groove 11 without screwing, after the two arc plates 5 are attached, the arc plates 5 are moved into the groove 12 from the lower end of the bolt 1, the arc plates 5 are separated by the restoring force of the second spring 51 in the second groove 12, the connecting rod 31 is abutted with the nut 2, the connecting rod 31 is enabled to displace a certain distance into the third groove 32, then the small bolt 4 is screwed, the arc plates 5 are clamped onto the second groove 12 through the clamping action of the small bolt 4 on the arc plates 5, the second spring 51 arranged between the two arc plates 5 prevents the arc plates 5 from displacing towards the center of the second groove 12, and the small bolt 4 is enabled to fasten the arc plates 5 when screwing; when the bolts need to be replaced, the small bolts 4 are firstly loosened on the arc-shaped plates 5, the arc-shaped plates 5 are loosened, the two arc-shaped plates 5 are extruded, the two arc-shaped plates 5 can be removed from the groove II 12, the arc-shaped plates 5 are detached from the groove II 12, and then the nuts 2 are screwed off, so that the bolts 1 are replaced once.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a high strength steel structure bolt, includes bolt (1), bolt (1) and nut (2) threaded connection, its characterized in that: the novel bolt is characterized in that a first groove (11) is formed in the top end of the bolt (1), a second groove (12) is formed in the bottom of the bolt (1), the first groove (11) and the second groove (12) are communicated, two arc plates (5) are movably mounted in the second groove (12), a supporting piece (3) is fixedly mounted on the arc plates (5), a connecting rod (31) is slidably mounted on the supporting piece (3), the connecting rod (31) is abutted to a nut (2), a third groove (32) is formed in the supporting piece (3), a first spring (33) is arranged in the third groove (32), one end of the first spring (33) is fixedly connected with the connecting rod (31), and the other end of the first spring is fixedly connected with the inner wall of the supporting piece (3).

2. A high strength steel structural bolt according to claim 1, wherein: the first groove (11) is internally connected with a small bolt (4) in a threaded manner, and the bottom of the small bolt (4) is clamped between the two arc plates (5).

3. A high strength steel structural bolt according to claim 1, wherein: threads are arranged on the arc-shaped plate (5).

4. A high strength steel structural bolt according to claim 1, wherein: the bolt (1) is made of 304 stainless steel.

5. A high strength steel structural bolt according to claim 1, wherein: the arc-shaped plate (5) is fixedly connected with the supporting piece (3) through a second bolt (6).

6. A high strength steel structural bolt according to claim 1, wherein: a second spring (51) is fixedly arranged between the two arc plates (5).