CN203477010U

CN203477010U - Anti-slip anti-loosening bolt structure

Info

Publication number: CN203477010U
Application number: CN201320605511.7U
Authority: CN
Inventors: 黄双华; 陈伟; 孙金坤; 廖福临; 张翔; 秦良彬; 刘静
Original assignee: Panzhihua University
Current assignee: Panzhihua University
Priority date: 2013-09-27
Filing date: 2013-09-27
Publication date: 2014-03-12
Anticipated expiration: 2023-09-27

Abstract

The utility model discloses a bolt structure, in particular discloses an anti-loosening and anti-slip bolt structure, which belongs to the technical field of fastener design and manufacture. An anti-loosening and anti-slip bolt structure that can effectively reduce the phenomenon of loosening of fasteners during use due to vibration of the fasteners is provided. The bolt structure includes a bolt body including a bolt head and a screw rod, and also includes a self-locking structure composed of a rigid elastic member. The rigid elastic member is arranged on the bolt body in the axial direction and is screwed on the The nut on the bolt body is locked at the tightened position on the bolt body through the self-locking structure and the external fastener.

Description

A kind of bolt arrangement of locking antiskid

Technical field

The utility model relates to a kind of bolt arrangement, especially relates to a kind of bolt arrangement of locking antiskid, belongs to anchor design manufacturing technology field.

Background technique

Bolt, as a kind of conventional fasteners, has been subject to extensive use in each field of productive life, and take, the use of the fastening structure occasion that machinery is main formation is particularly outstanding especially.In this described class occasion, when the fastening structure that the machinery of take is main formation is used, owing to producing vibrations, easily make common clamping bolt occur loosening, thereby cause the displacement of the loosening and fastened equipment of equipment part, and then shorten the working life of machinery, when serious, also can make the fixed position of equipment get loose, cause equipment damage, cause tremendous economic loss.

Model utility content

Technical problem to be solved in the utility model is: provide a kind of and can effectively reduce the fastening piece in using process, because the bolt arrangement of the locking antiskid of phenomenon appears becoming flexible in fastener vibrations.

For solving the problems of the technologies described above adopted technological scheme, be: a kind of bolt arrangement of locking antiskid, comprise the bolt body that contains bolt head and screw rod, also comprise the self-locking structure being formed by firm matter elastic component, described firm matter elastic component is arranged on described bolt body vertically, and the nut being screwed on described bolt body is locked in the position that screws on described bolt body by described self-locking structure and outside fastener.

Be further, upwards be evenly equipped with at least two mounting grooves that extend vertically the week of described screw rod, the quantity of firm matter elastic component that forms described self-locking structure is suitable with the quantity of described mounting groove, and the firm matter elastic component of described each part is corresponding being arranged in each described mounting groove respectively vertically; Described fastener in fastening structure is crimped near on the firm matter elastic component of each part of the first end of bolt, described screw rod radially is outwards stuck up in one end that the firm matter elastic component of described each part is not crimped, and is screwed in nut on described bolt body one end of sticking up described screw rod by the firm matter elastic component of described each part and is locked in the position that screws on described bolt body.

Further, the described mounting groove extending vertically extends on described bolt head, and extends radially outward on this bolt head, and one end of the close bolt head of the firm matter elastic component of described each part is inserted and is arranged in the mounting groove on described bolt head.

The optimal way of such scheme is, being distributed on the mounting groove making progress in described screw rod week is three to four, correspondingly respectively in the mounting groove described in each is furnished with the firm matter elastic component described in.

Further, described firm matter elastic component is that middle part has the curved firm matter spring sheet of tearing structure open.

Further, at described screw rod, on the one end near bolt head, be furnished with plain washer.

Further, be positioned on the screw rod of described nut inner side and be furnished with and strengthen locking elastic washer.

The beneficial effects of the utility model are: owing to having arranged vertically firm matter elastic component on described bolt body, and the nut that makes to be screwed on described bolt body is locked in the position that screws on described bolt body by described self-locking structure and outside fastener.Like this, take in the process of the fastening piece that described bolt arrangement forms as main body using, just can effectively reduce the loosening phenomenon that described bolt arrangement occurs due to the vibrations of fastener.

Accompanying drawing explanation

Fig. 1 is the structural representation of the bolt arrangement of a kind of locking antiskid of the utility model;

Fig. 2 is bolt arrangement of the present utility model schematic diagram in use

Fig. 3 is the A-A sectional view of Fig. 1.

In figure, be labeled as: bolt head 1, screw rod 2, bolt body 3, just matter elastic component 4, self-locking structure 5, nut 6, fastener 7, mounting groove 8, plain washer 9, strengthen locking elastic washer 10.

Embodiment

As shown in Figure 1, Figure 2 and shown in Fig. 3, be that a kind of that the utility model provides can effectively reduce the fastening piece in using process, due to fastener vibrations, there is becoming flexible the bolt arrangement of the locking antiskid of phenomenon.Described bolt arrangement comprises the bolt body 3 that contains bolt head 1 and screw rod 2, also comprise the self-locking structure 5 being formed by firm matter elastic component 4, described firm matter elastic component 4 is arranged on described bolt body 3 vertically, and the nut 6 being screwed on described bolt body 3 is locked in the position that screws on described bolt body 3 by described self-locking structure 5 and outside fastener 7.Owing to having arranged vertically firm matter elastic component 4 on described bolt body 3, and the nut 6 that makes to be screwed on described bolt body 3 is locked in the position that screws on described bolt body 3 by described self-locking structure 5 and outside fastener 7.Like this, take in the process of the fastening piece that described bolt arrangement forms as main body using, just can effectively reduce the loosening phenomenon that described bolt arrangement occurs due to the vibrations of fastener 7.

In above-mentioned mode of execution, in order to simplify described self-locking structure 5, facilitate the dismounting of making, installation and postorder, can reduce production costs to greatest extent again simultaneously, and improve to greatest extent locking antiskid self-lock ability, upwards be evenly equipped with at least two mounting grooves 8 that extend vertically the week of described screw rod 2, the quantity of firm matter elastic component 4 that forms described self-locking structure 5 is suitable with the quantity of described mounting groove 8, and the firm matter elastic component 4 of described each part is corresponding being arranged in each described mounting groove 8 respectively vertically; Described fastener 7 in fastening structure is crimped on the firm matter elastic component 4 of each part near bolt head 1 one end, described screw rod 2 radially is outwards stuck up in one end that the firm matter elastic component 4 of described each part is not crimped, and is screwed in nut 6 on described bolt body 3 one end of sticking up described screw rod 2 by the firm matter elastic component 4 of described each part and is locked in the position that screws on described bolt body 3; The described mounting groove 8 extending vertically extends on described bolt head 1, and extends radially outward on this bolt head 1, and the firm matter elastic component 4 of described each part inserts and is arranged in the mounting groove 8 on described bolt head 1 near one end of bolt head 1; Being distributed on the mounting groove 8 that described screw rod makes progress for 2 weeks is three to four, correspondingly respectively in the mounting groove 8 described in each is furnished with the firm matter elastic component described in; Described firm matter elastic component 4 is the curved firm matter spring sheet of tearing structure open for middle part has.

In above-mentioned mode of execution, in order to protect fastener 7 and bolt head 1 contacting point not damaged in fastening process, on the one end at described screw rod 2 near bolt head 1, be furnished with plain washer 9.Meanwhile, in conjunction with the locking project organization of existing fastening piece, in order to increase the locking antiskid effect of bolt arrangement described in the application, on the screw rod 2 that is positioned at described nut 6 inner sides, be furnished with and strengthen locking elastic washer 10.

The locking elastic washer of enhancing described in the application can be the elastic washer in existing design, can be also other similar locking design in existing design.

Claims

1. An anti-loosening and anti-slip bolt structure, including a bolt body (3) including a bolt head (1) and a screw rod (2), characterized in that it also includes a self-locking structure composed of rigid elastic parts (4) ( 5), the rigid elastic member (4) is arranged axially on the bolt body (3), and the nut (6) screwed on the bolt body (3) passes through the self-locking structure (5) and the outer fastened part (7) are locked at the tightened position on the bolt body (3).

2. The anti-loosening and anti-slip bolt structure according to claim 1, characterized in that: at least two installation grooves (8) extending in the axial direction are evenly distributed on the circumferential direction of the screw rod (2), forming a The number of rigid elastic parts (4) of the self-locking structure (5) is equivalent to the number of the installation grooves (8), and the rigid elastic parts (4) are respectively arranged in corresponding positions along the axial direction. Each of the above-mentioned installation grooves (8); the fastened parts (7) in the fastening structure are crimped on each rigid elastic member (4) near the end of the bolt head (1), and each of the The non-crimped end of the rigid elastic part (4) protrudes radially outward from the screw (2), and the nut (6) screwed on the bolt body (3) passes through the One end of the rigid elastic member (4) protruding from the screw rod (2) is locked at a tightened position on the bolt body (3).

3. The anti-loosening and anti-slip bolt structure according to claim 2, characterized in that: the installation groove (8) extending in the axial direction extends to the bolt head (1), and is fixed on the bolt head (1). The head (1) extends radially outward, and one end of each piece of rigid elastic member (4) close to the bolt head (1) is inserted into the installation groove (8) on the bolt head (1).

4. An anti-loosening and anti-slip bolt structure according to claim 2 or 3, characterized in that: there are three to four installation grooves (8) evenly distributed in the circumferential direction of the screw (2), and each One piece of the above-mentioned rigid elastic member is respectively arranged correspondingly in the above-mentioned installation grooves (8).

5 . The anti-loosening and anti-slip bolt structure according to claim 4 , characterized in that: the rigid elastic member ( 4 ) is a rigid spring piece with a bending and detachable structure in the middle. 6 .

6. The anti-loosening and anti-slip bolt structure according to claim 1, 2 or 3, characterized in that: the rigid elastic member (4) is a rigid spring piece with a bending and detachable structure in the middle.

7 . The anti-loosening and anti-slip bolt structure according to claim 6 , characterized in that: a flat washer ( 9 ) is arranged on the end of the screw rod ( 2 ) close to the bolt head ( 1 ).

8 . The anti-loosening and anti-slip bolt structure according to claim 7 , characterized in that: a reinforced anti-loosening elastic washer ( 10 ) is arranged on the screw rod ( 2 ) located inside the nut ( 6 ).