CN216895269U

CN216895269U - Be used for high-speed railway engineering dysmorphism bolt fastener

Info

Publication number: CN216895269U
Application number: CN202220442667.7U
Authority: CN
Inventors: 俞国钧; 高秋香; 吉加龙; 蒋晶; 曹义
Original assignee: Taizhou Liujie Metal Technology Co ltd
Current assignee: Taizhou Liujie Metal Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-05
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a special-shaped bolt fastener for high-speed rail engineering, which comprises a bolt main body structure, one end of the bolt main body structure is provided with a bolt end part, the outer side of the bolt end part is provided with a metal gasket, the outer side of the bolt main body structure is provided with a clamping positioning piece, the side surface of the bolt main body structure, which is far away from the end part of the bolt, is provided with a clamping groove A, the side surface of the bolt main body structure is provided with external threads, the utility model is provided with the clamping positioning piece, and a clamping groove A is arranged on the side surface of the bolt main body structure, when the bolt is installed, the clamping positioning piece is clamped and connected with the clamping groove A, so that the clamping position between one end of the clamping positioning piece and the piece to be fixed is limited, the bolt is prevented from shaking in the use process, the novel bolt is also provided with a fastening nut and an external thread, the bolt main structure and the mounting piece are fixed through screwing between the external thread and the fastening nut.

Description

Be used for high-speed railway engineering dysmorphism bolt fastener

Technical Field

The utility model belongs to the technical field of bolt fasteners, and particularly relates to a special-shaped bolt fastener for high-speed rail engineering.

Background

Fasteners, also known as standard parts in the market, are a generic term for a class of mechanical parts used when two or more parts (or components) are fastened together as a single piece. It features various varieties and specifications, different functions and usages, and very high standardization, serialization and universalization degrees. The fastener is the most widely used mechanical basic member and has a large demand.

Bolt and nut are as a common fastener, by frequent use on the high-speed railway, are different from other trades, and the high-speed railway is as a communal facility, and is stricter in the quality control, can produce the problem of relative not hard up between bolt and the connecting piece owing to jolting, rock etc. reason when nut and bolt link to each other, and then lead to being connected insecure between nut and the bolt, probably cause the bolt to drop, and then lead to certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special-shaped bolt fastener for high-speed rail engineering, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for high-speed railway engineering dysmorphism bolt fastener, includes bolt major structure, bolt major structure one end is provided with the bolt tip, the bolt tip outside is provided with metal gasket, the joint setting element has been seted up in the bolt major structure outside, joint setting element terminal surface is provided with fastening nut, bolt major structure is kept away from bolt tip side and has been seted up joint groove A, bolt major structure side is provided with the external screw thread.

Preferably, the outer side of the end part of the bolt is provided with a to-be-fixed part, and the surface of the to-be-fixed part is provided with a clamping groove C.

Preferably, the metal gasket is connected with the bolt main body structure in a sleeved mode, and the metal gasket is tightly attached to the to-be-fixed piece.

Preferably, the bolt main body structure is far away from one end of the bolt end and is provided with a clamping groove B, and the clamping groove B is communicated with the clamping groove A.

Preferably, four groups of clamping grooves A are formed in the bolt main structure, and the four groups of clamping grooves A are uniformly distributed on the side face of the bolt main structure by taking the center of the end face of the bolt main structure as a circle center.

Preferably, the bolt main structure is connected with the clamping positioning piece in a clamping mode, and the clamping positioning piece and the clamping groove C form a clamping structure.

Preferably, the fastening nut is connected with the external thread in a screwing mode, and the fastening nut is tightly attached to the clamping positioning piece.

Compared with the prior art, the utility model has the beneficial effects that: the bolt is provided with the clamping positioning piece, the side surface of the main structure of the bolt is provided with the clamping groove A, and when the bolt is installed, the clamping positioning piece is connected with the clamping groove A in a clamping mode, so that one end of the clamping positioning piece is clamped and limited with a to-be-fixed piece, and the bolt is prevented from shaking in the use process; this is novel still to be provided with fastening nut and external screw thread, closes soon through between external screw thread and the fastening nut and fixes between bolt major structure and the installed part to because the block links to each other between joint setting element and the joint groove A, so close soon between fastening nut and the bolt major structure and fixed also can fasten the position of joint setting element, be that whole structure is more firm stable.

Drawings

FIG. 1 is a schematic view of a connection section structure of a special-shaped bolt fastener for high-speed rail engineering according to the utility model;

FIG. 2 is a schematic view of a clamping positioning piece and bolt connection structure of the special-shaped bolt fastener for high-speed rail engineering of the utility model;

FIG. 3 is a schematic structural diagram of a bolt main body structure of the special-shaped bolt fastener for high-speed rail engineering of the utility model;

FIG. 4 is a schematic diagram of a clamping positioning piece for a special-shaped bolt fastener in high-speed rail engineering according to the present invention;

in the figure: 11. a bolt end; 12. a bolt body structure; 13. a metal gasket; 14. clamping a positioning piece; 15. fastening a nut; 16. an external thread; 17. a clamping groove A; 18. fixing the part; 19. a clamping groove B; 21. a clamping groove C.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the utility model provides a technical scheme that the special-shaped bolt fastener for the high-speed rail engineering comprises a bolt main body structure 12, a bolt end portion 11 is arranged at one end of the bolt main body structure 12, a metal gasket 13 is arranged on the outer side of the bolt end portion 11, a clamping positioning piece 14 is arranged on the outer side of the bolt main body structure 12, a fastening nut 15 is arranged on one end face of the clamping positioning piece 14, a clamping groove a17 is formed in the side face, far away from the bolt end portion 11, of the bolt main body structure 12, and external threads 16 are arranged on the side face of the bolt main body structure 12.

Preferably, the bolt end 11 is provided with a to-be-fixed member 18 on the outer side, the surface of the to-be-fixed member 18 is provided with a clamping groove C21, and the clamping groove C21 is formed on the surface of the to-be-fixed member 18 to facilitate clamping between the clamping positioning member 14 and the to-be-fixed member 18.

Preferably, the metal gasket 13 is sleeved with the bolt main body structure 12, and the metal gasket 13 is tightly attached to the member to be fixed 18, so as to facilitate the connection between the metal gasket 13 and the member to be fixed 18 to be firmer by tightly attaching the metal gasket 13 to the member to be fixed 18.

Preferably, bolt major structure 12 is kept away from bolt tip 11 one end and has been seted up joint groove B19, communicates between joint groove B19 and the joint groove A17, through keeping away from bolt tip 11 one end at bolt major structure 12 and having seted up joint groove B19 is for the convenience of will joint locating element 14 and bolt major structure 12 between the joint, increase bolt major structure 12's stability.

Preferably, four sets of clamping grooves a17 are provided, and four sets of clamping grooves a17 are uniformly distributed on the side surface of the main bolt structure 12 with the center of the end surface of the main bolt structure 12 as the center of circle, and the four sets of clamping grooves a17 are uniformly distributed on the side surface of the main bolt structure 12 with the center of the end surface of the main bolt structure 12 as the center of circle, so that the end of the main bolt structure 12 away from the end 11 of the bolt can generate slight elastic deformation.

Preferably, bolt main structure 12 and clamping locating piece 14 are connected in a clamping manner, a clamping structure is formed between clamping locating piece 14 and clamping groove C21, and the clamping structure is formed between clamping locating piece 14 and clamping groove C21 so that bolt main structure 12 and to-be-fixed piece 18 are connected more firmly and bolt main structure 12 is prevented from loosening.

Preferably, the fastening nut 15 is screwed with the external thread 16, and the fastening nut 15 is tightly attached to the clamping positioning part 14, so that the fastening nut 15 is screwed with the external thread 16 to be conveniently detached and replaced.

The working principle and the using process of the utility model are as follows: after the installation, fixation and safety protection of the utility model are checked firstly, then the utility model can be used, when in use, after the bolt is sleeved with the metal gasket 13, the bolt is placed in the installation hole, then the clamping positioning piece 14 and the bolt main body structure 12 are sleeved and clamped, the clamping positioning piece 14 and the clamping groove C21 are clamped and connected, then the fastening nut 15 and the external thread 16 are screwed and connected, so that the metal gasket 13 and the to-be-fixed piece 18 are tightly attached, and the fastening nut 15 and the clamping positioning piece 14 are tightly attached.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 be used for high-speed railway engineering dysmorphism bolt fastener, includes bolt major structure (12), its characterized in that: bolt major structure (12) one end is provided with bolt tip (11), the bolt tip (11) outside is provided with metal gasket (13), joint setting element (14) have been seted up in bolt major structure (12) outside, a joint setting element (14) terminal surface is provided with fastening nut (15), bolt major structure (12) are kept away from bolt tip (11) side and have been seted up joint groove A (17), bolt major structure (12) side is provided with external screw thread (16).

2. The special-shaped bolt fastener for high-speed rail engineering according to claim 1, wherein: the outer side of the end part (11) of the bolt is provided with a to-be-fixed part (18), and the surface of the to-be-fixed part (18) is provided with a clamping groove C (21).

3. The special-shaped bolt fastener for high-speed rail engineering according to claim 2, wherein: the metal gasket (13) is connected with the bolt main body structure (12) in a sleeved mode, and the metal gasket (13) is tightly attached to the to-be-fixed piece (18).

4. The special-shaped bolt fastener for high-speed rail engineering according to claim 1, wherein: bolt major structure (12) are kept away from bolt tip (11) one end and have been seted up joint groove B (19), communicate between joint groove B (19) and the joint groove A (17).

5. The special-shaped bolt fastener for high-speed rail engineering according to claim 1, wherein: four groups are arranged on the clamping grooves A (17), and the clamping grooves A (17) are uniformly distributed on the side face of the bolt main structure (12) by taking the center of the end face of the bolt main structure (12) as the circle center.

6. The special-shaped bolt fastener for high-speed rail engineering according to claim 2, wherein: the bolt main body structure (12) is connected with the clamping positioning piece (14) in a clamping mode, and a clamping structure is formed between the clamping positioning piece (14) and the clamping groove C (21).

7. The special-shaped bolt fastener for high-speed rail engineering according to claim 1, wherein: the fastening nut (15) is connected with the external thread (16) in a screwing mode, and the fastening nut (15) is tightly attached to the clamping positioning piece (14).