CN219317381U

CN219317381U - High-strength anti-collision bolt

Info

Publication number: CN219317381U
Application number: CN202320156013.2U
Authority: CN
Inventors: 涂思建; 谭波
Original assignee: Wenzhou Xinyang Standard Parts Co ltd
Current assignee: Wenzhou Xinyang Standard Parts Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-07-07
Anticipated expiration: 2033-01-12

Abstract

The utility model relates to the technical field of bolts, in particular to a high-strength anti-collision bolt, which comprises a bolt cap, wherein the bottom of the bolt cap is connected with a bolt rod, an external thread groove is formed in the outer side of the bolt rod, a nut groove is formed in the top of the bolt cap, a protective sleeve is connected to the outer end of the bolt cap, an external mounting groove is formed in the top of the protective sleeve, an internal mounting groove is formed in the inner part of the external mounting groove, an internal reinforcing layer is arranged in the bolt rod, an anti-corrosion layer is arranged on the outer side of the bolt rod, and the bolt cap is protected by the design of the protective sleeve, a sealing plug and a damping spring device after the installation of the bolt, so that the bolt is prevented from loosening after collision, and the anti-collision effect of the bolt is achieved.

Description

High-strength anti-collision bolt

Technical Field

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

Background

The bolt belongs to a mechanical part and is a cylindrical threaded fastener matched with a nut. Consists of a head part and a screw rod, and is matched with a nut for fastening and connecting 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. Bolts are used in steel construction.

Through searching, the published application number is CN202220975310.5, a high-strength bolt is disclosed, the high-strength bolt comprises a main bolt, a threaded hole is formed in the main bolt, a secondary bolt is arranged in the threaded hole, a connecting thread in threaded fit connection with the threaded hole is arranged on the secondary bolt, and a clamping piece is arranged on one side, far away from the connecting thread, of the secondary bolt.

The above solution, while solving the problems mentioned in the background art, still has the following drawbacks: after the installation of the bolt is completed, the bolt cap part is still exposed outside, and when the bolt cap is impacted by the outside, the bolt cap can be loosened, and the structure for protecting the bolt cap is absent in the scheme, so that the stability of the bolt is affected.

Disclosure of Invention

The utility model aims to provide a high-strength anti-collision bolt so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the high-strength anti-collision bolt comprises a bolt cap, wherein the bottom of the bolt cap is connected with a bolt rod, an external thread groove is formed in the outer side of the bolt rod, a nut groove is formed in the top of the bolt cap, a protecting sleeve is connected to the outer end of the bolt cap, an external mounting groove is formed in the top of the protecting sleeve, an internal mounting groove is formed in the external mounting groove, an internal reinforcing layer is arranged in the bolt rod, and an anti-corrosion layer is arranged in the outer side of the bolt rod;

the inside of lag is provided with the sealing plug that is connected with the nut groove, be connected with a plurality of damping spring wares between the periphery of inner wall and the sealing plug of lag.

As a preferable scheme of the utility model, the whole size of the protective sleeve is larger than that of the bolt cap, and the sealing plug is connected with the inside of the nut groove in a sealing way.

As a preferable scheme of the utility model, the periphery of the sealing plug is provided with a containing cavity, and the bolt cap is arranged in the containing cavity.

As a preferable scheme of the utility model, the protective sleeve is made of rubber materials with wall thickness of three millimeters to five millimeters.

As a preferable scheme of the utility model, the inner reinforcing layer is made of metal mesh and is arranged on the inner wall of the corrosion-resistant layer, and the corrosion-resistant layer is made of stainless steel materials.

As a preferable scheme of the utility model, the outer mounting groove is an inner hexagonal groove, and the inner mounting groove adopts a cross groove.

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

1. according to the high-strength anti-collision bolt, the design of the protective sleeve, the sealing plug and the damping spring device is utilized, the bolt can be sleeved at the outer end of the bolt cap after the installation of the bolt is completed, so that the bolt cap is protected, looseness of the bolt after collision is avoided, and the anti-collision effect of the bolt is achieved.

2. According to the high-strength anti-collision bolt, the design of the inner reinforcing layer and the anti-corrosion layer is utilized to improve the overall strength and corrosion resistance of the bolt rod, so that the overall strength of the bolt is further improved.

3. According to the high-strength anti-collision bolt, the design of the outer mounting groove and the inner mounting groove is utilized, and the outer mounting groove is the inner hexagonal groove, and the inner mounting groove is the cross groove, so that the subsequent use of an inner hexagonal wrench or a screwdriver for disassembly is facilitated, and the trouble that the bolt can be disassembled only by adopting the wrench is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the separation structure of the protective sleeve and the bolt according to the utility model;

FIG. 3 is a schematic top view of the protective jacket of the present utility model;

FIG. 4 is a schematic view of the internal structure of the protective jacket according to the present utility model;

fig. 5 is a schematic view of the internal structure of the bolt shank of the present utility model.

In the figure: 1. a bolt cap; 2. a bolt rod; 3. an external thread groove; 4. a nut groove; 5. a protective sleeve; 51. a sealing plug; 52. a damping spring device; 6. an outer mounting groove; 7. an inner mounting groove; 8. an inner reinforcing layer; 9. an anti-corrosion layer; 10. the housing cavity.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, the present utility model provides a technical solution:

the high-strength anti-collision bolt comprises a bolt cap 1, wherein the bottom of the bolt cap 1 is connected with a bolt rod 2, an external thread groove 3 is formed in the outer side of the bolt rod 2, a nut groove 4 is formed in the top of the bolt cap 1, a protecting sleeve 5 is connected to the outer end of the bolt cap 1, an outer mounting groove 6 is formed in the top of the protecting sleeve 5, an inner mounting groove 7 is formed in the outer mounting groove 6, an inner reinforcing layer 8 is arranged in the bolt rod 2, and an anti-corrosion layer 9 is arranged in the outer side of the bolt rod 2;

a sealing plug 51 connected with the nut groove 4 is arranged in the protecting sleeve 5, and a plurality of damping springs 52 are connected between the inner wall of the protecting sleeve 5 and the periphery of the sealing plug 51.

Specifically, the overall dimension of lag 5 is greater than the overall dimension of bolt cap 1, and the inside of sealing plug 51 and nut groove 4 is connected and connected mode is sealing connection, and the periphery of sealing plug 51 has been seted up and has been held cavity 10, and inside holding cavity 10 was arranged in to bolt cap 1, was connected in utilizing sealing plug 51 and nut groove 4 inside, and the outer end at bolt cap 1 is established to lag 5 cover simultaneously, in order to realize protecting bolt cap 1 through lag 5 under the circumstances that does not change the bolt structure, plays the effect of preventing colliding with.

Further, the protecting sleeve 5 is made of rubber materials with the wall thickness of three millimeters to five millimeters, and the protecting sleeve 5 can be used for protecting the bolt cap 1.

Specifically, the inner reinforcing layer 8 is made of metal mesh and is arranged on the inner wall of the anti-corrosion layer 9, the anti-corrosion layer 9 is made of stainless steel materials, the inner reinforcing layer 8 is utilized to improve the strength of the inside of the bolt rod 2, and meanwhile, the anti-corrosion effect of the whole bolt rod 2 is improved through the anti-corrosion layer 9, so that the service life of the bolt is prolonged.

Specifically, the outer mounting groove 6 is an inner hexagonal groove, and the inner mounting groove 7 is a cross groove, so that a hexagonal wrench or a cross screwdriver can be used for operation during mounting or dismounting, and the trouble that only the wrench can be used for operation is avoided.

The working flow of the utility model is as follows: when the high-strength anti-collision bolt is used, the bolt is firstly installed into the bolt hole through the external thread groove 3, then under the condition that the sealing plug 51 is connected with the inside of the nut groove 4 and the connection mode is in sealing connection, the protecting sleeve 5 is sleeved and connected with the outer end of the bolt rod 2, meanwhile, the sealing plug 51 is in sealing connection with the inside of the nut groove 4, when the exposed bolt cap 1 is subjected to external collision, the protecting sleeve 5 is used for buffering at first, the external collision is further counteracted through the damping springs 52, so that the anti-collision effect on the bolt cap 1 is achieved, the hidden danger that the whole bolt is loosened after being subjected to external collision is avoided, the strength and the corrosion resistance effect of the bolt rod 2 are further enhanced under the condition that the inner reinforcing layer 8 is made of metal mesh and the corrosion resistance layer 9 is made of stainless steel materials, when the bolt is required to be disassembled, a hexagonal wrench or a cross screwdriver can be used for operation, and the trouble that only the wrench can be used for operation is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength prevents bolt that collides with, includes bolt cap (1), its characterized in that: the bottom of the bolt cap (1) is connected with a bolt rod (2), an external thread groove (3) is formed in the outer side of the bolt rod (2), a nut groove (4) is formed in the top of the bolt cap (1), a protecting sleeve (5) is connected to the outer end of the bolt cap (1), an external mounting groove (6) is formed in the top of the protecting sleeve (5), an internal mounting groove (7) is formed in the external mounting groove (6), an internal reinforcing layer (8) is arranged in the bolt rod (2), and an anti-corrosion layer (9) is arranged in the outer side of the bolt rod (2);

a sealing plug (51) connected with the nut groove (4) is arranged in the protective sleeve (5), and a plurality of damping spring devices (52) are connected between the inner wall of the protective sleeve (5) and the periphery of the sealing plug (51).

2. The high strength anti-bump bolt of claim 1 wherein: the whole size of the protective sleeve (5) is larger than that of the bolt cap (1), and the sealing plug (51) is connected with the inside of the nut groove (4) in a sealing connection mode.

3. The high strength anti-bump bolt of claim 1 wherein: the periphery of the sealing plug (51) is provided with a containing cavity (10), and the bolt cap (1) is arranged in the containing cavity (10).

4. The high strength anti-bump bolt of claim 1 wherein: the protective sleeve (5) is made of rubber materials with the wall thickness of three millimeters to five millimeters.

5. The high strength anti-bump bolt of claim 1 wherein: the inner reinforcing layer (8) is made of metal mesh and is arranged on the inner wall of the anti-corrosion layer (9), and the anti-corrosion layer (9) is made of stainless steel materials.

6. The high strength anti-bump bolt of claim 1 wherein: the outer mounting groove (6) is an inner hexagonal groove, and the inner mounting groove (7) is a cross groove.