CN212318490U

CN212318490U - High-precision locking nut sleeve for automobile semi-axis bolt

Info

Publication number: CN212318490U
Application number: CN201922426190.4U
Authority: CN
Inventors: 李林峰
Original assignee: Anhui Karry Auto Parts Manufacturing Co ltd
Current assignee: Anhui Karry Auto Parts Manufacturing Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2021-01-08
Anticipated expiration: 2029-12-28

Abstract

The utility model belongs to the technical field of the automobile parts technique and specifically relates to an automobile semi-axis is high accuracy locking nut cover for bolt, including bolt head, screw rod and threaded connection at the adjusting nut in the screw rod outside. The utility model discloses a car semi-axis is high accuracy locking nut cover for bolt is through the side direction extrusion hole of seting up built-in elastic expansion self-lock device overhead at the bolt, set up the flexible self-lock device of cooperation decline spacing side direction and accomodate the groove on screw rod lateral surface, the spacing extrusion groove in groove matched with bottom is accomodate with the side direction to seting up at the adjusting nut upper surface, make flexible self-lock device contact bolt nut when the bottom is spacing simultaneously, promote the firmness and the durability of locking when guaranteeing the high accuracy assembly, the top closing plate of utilizing vertical gag lever post top and the inside extrusion threaded rod of adjusting nut can make things convenient for bolt nut assembly and separation simultaneously, the operation is very convenient, the security promotes greatly.

Description

High-precision locking nut sleeve for automobile semi-axis bolt

Technical Field

The utility model belongs to the technical field of the automobile parts technique and specifically relates to an automobile semi-axis is high accuracy locking nut cover for bolt.

Background

Along with the development of science and technology and the improvement of people's standard of living, more and more car gets into people's life and goes in the work, for the assembly between each subassembly of convenient car, the bolt and the nut installed part of car the inside are very numerous, and traditional bolt and nut simple structure is fixed, can produce vibrations of various kinds in the car operation process, if the bolt and nut assembly requirement is not up to standard for a long-term use, leads to the pine very easily to take off, seriously influences the security that the vehicle travel.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems existing in the background technology, the improved high-precision locking nut sleeve for the automobile half-shaft bolt is provided, and the problems that the traditional bolt nut is simple and fixed in structure and cannot be locked and prevented from loosening are solved.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a car semi-axis is high accuracy locking nut cover for bolt, includes bolt head, screw rod and threaded connection at the adjusting nut in the screw rod outside, screw rod lateral surface upper end seted up the side direction and accomodate the groove, the inside side direction extrusion hole that is linked together with the side direction is accomodate to the bolt head of seting up, the inside elastic connection of side direction extrusion hole have flexible self-lock device, adjusting nut upper surface be located inboard link and seted up the spacing extrusion groove in bottom, adjusting nut inside be located the spacing extrusion groove below in bottom and set up the bottom inside screw hole of built-in extrusion threaded rod.

Furthermore, in order to facilitate elastic assembly, the inner side surface of the lateral extrusion hole is provided with a lateral assembly groove, the telescopic self-locking device comprises a longitudinal limiting rod inserted in the lateral extrusion hole, an integrated structure linkage plate fixed at the top end of the longitudinal limiting rod, an integrated structure top sealing plate fixed at the top end of the linkage plate and an extrusion elastic sheet inserted and fixed in the linkage plate, and the longitudinal limiting rod is inserted into the lateral assembly groove at the corresponding position through the extrusion elastic sheet and is elastically connected with the inner side of the lateral extrusion hole.

Furthermore, in order to improve the precision of the locking device, the lateral extrusion hole has a rectangular inner cross section, and no gap exists between the outer side surface of the longitudinal limiting rod, the inner side connecting surface of the lateral extrusion hole and the inner side connecting surface of the lateral accommodating groove.

Further, in order to improve the assembly precision, the size of the inner section of the mutual combination of the lateral containing groove and the bottom limiting extrusion groove is the same as that of the inner section of the lateral extrusion hole.

Furthermore, in order to facilitate bottom adjustment, the lower end of the extrusion threaded rod is provided with a linear adjusting groove.

Furthermore, in order to improve the extrusion guidance to improve the durability of the bottom separation extrusion mechanism, the lower end of the longitudinal limiting rod is provided with a bottom guide groove with a conical structure.

The beneficial effects of the utility model are that, the utility model discloses a car semi-axis is high accuracy locking nut cover for bolt is through the side direction extrusion hole of seting up built-in elastic expansion self-lock device overhead at the bolt, set up the flexible self-lock device of cooperation decline spacing side direction and accomodate the groove in screw rod lateral surface upper end, set up on the adjusting nut upper surface and accomodate the spacing extrusion groove in groove matched with bottom with the side direction, make flexible self-lock device contact bolt and nut when the bottom is spacing, promote the firmness and the durability of locking when guaranteeing the high accuracy assembly, the top closing plate and the inside extrusion threaded rod of adjusting nut that utilize vertical gag lever post top can make things convenient for bolt and nut to assemble and separate simultaneously, the operation is very convenient, the security promotes greatly.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an internal cross-sectional view of the connecting end of the middle telescopic self-locking device of the present invention.

In the drawing, the screw head is 1, the screw rod is 2, the adjusting nut is 3, the lateral accommodating groove is 4, the lateral extrusion hole is 5, the bottom limiting extrusion groove is 6, the extrusion threaded rod is 7, the bottom internal screw hole is 8, the lateral assembly groove is 9, the longitudinal limiting rod is 10, the linkage plate is 11, the top sealing plate is 12, the extrusion elastic sheet is 13, and the bottom guide groove is 14.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Fig. 1 and fig. 2 show a car semi-axis is high accuracy locking nut cover for bolt, including bolt head 1, screw rod 2 and threaded connection are at the adjusting nut 3 in the 2 outsides of screw rod, 2 lateral surfaces of screw rod upper ends have been seted up the side direction and have been accomodate

groove

4, 1 inside side direction extrusion hole 5 of being linked together with the side direction is accomodate to the bolt head, the inside elastic connection in side direction extrusion hole 5 has flexible self-lock device, 3 upper surfaces of adjusting nut are located inboard link and have been seted up the spacing extrusion groove 6 in bottom, adjusting nut 3 inside is located the spacing extrusion groove 6 below in bottom and has seted up the bottom inner screw hole 8 of built-in extrusion threaded rod 7.

Furthermore, in order to facilitate elastic assembly, a lateral assembly groove 9 is formed in the inner side surface of the lateral extrusion hole 5, the telescopic self-locking device comprises a longitudinal limiting rod 10 inserted in the lateral extrusion hole 5, an integrated structure linkage plate 11 fixed at the top end of the longitudinal limiting rod 10, an integrated structure top sealing plate 12 fixed at the top end of the linkage plate 11 and an extrusion elastic sheet 13 inserted in the linkage plate 11, and the longitudinal limiting rod 10 is inserted into the lateral assembly groove 9 at the corresponding position through the extrusion elastic sheet 13 and is elastically connected with the inside of the lateral extrusion hole 5.

Further, in order to promote the precision when locking is equipped, side direction extrusion hole 5 is the rectangle structure for the internal cross section, and there is not the clearance between the connection face of vertical gag lever post 10 lateral surface, 5 inboard connection faces of side direction extrusion hole and the side direction is accomodate 4 inboard connection faces, and further, in order to promote the assembly precision, the side direction is accomodate the inside cross section size that groove 4 and the spacing extrusion groove 6 of bottom combined each other and is the same with 5 inside cross section sizes in side direction extrusion hole.

Further, in order to facilitate bottom adjustment, the lower end of the extrusion threaded rod 7 is provided with a linear adjustment groove, and further, in order to improve the durability of the bottom separation extrusion mechanism by improving the extrusion guidance, the lower end of the longitudinal limiting rod 10 is provided with a conical bottom guide groove 14.

The beneficial effects of the utility model are that, the utility model discloses a car is high accuracy locking nut cover for semi-axis bolt is through offering built-in elastic expansion self-lock device's side direction extrusion hole 5 on bolt head 1, set up the flexible self-lock device of cooperation decline spacing side direction and accomodate groove 4 on 2 lateral surfaces of screw rod, set up and accomodate groove 4 matched with bottom spacing extrusion groove 6 with the side direction at adjusting nut 3 upper surface, make flexible self-lock device contact bolt nut when the bottom is spacing simultaneously, promote the firmness and the durability of locking when guaranteeing the high accuracy assembly, the top closing plate 12 and the inside extrusion threaded rod 7 of adjusting nut 3 that utilize vertical gag lever post 10 top can make things convenient for bolt nut assembly and separation simultaneously, the operation is very convenient, the security promotes greatly.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an automobile half axle is high accuracy locking nut cover for bolt, includes bolt head (1), screw rod (2) and threaded connection adjusting nut (3) in screw rod (2) outside, characterized by: screw rod (2) lateral surface upper end seted up the side direction and accomodate groove (4), bolt head (1) inside seted up with the side direction accomodate inside side direction extrusion hole (5) that are linked together of groove (4), side direction extrusion hole (5) inside elastic connection have flexible self-lock device, adjusting nut (3) upper surface be located inboard link and seted up bottom spacing extrusion groove (6), adjusting nut (3) inside be located bottom spacing extrusion groove (6) below and seted up bottom inner screw hole (8) of built-in extrusion threaded rod (7).

2. The high-precision locking nut sleeve for the automobile half-shaft bolt as claimed in claim 1, which is characterized in that: the lateral extrusion hole (5) inner side surface on seted up lateral assembly groove (9), flexible self-lock device including peg graft at the inside vertical gag lever post (10) of lateral extrusion hole (5), fix at integrative structure linkage plate (11) on vertical gag lever post (10) top, fix at integrative structure top closing plate (12) on linkage plate (11) top and peg graft and fix at inside extrusion shell fragment (13) of linkage plate (11), vertical gag lever post (10) insert through extrusion shell fragment (13) and correspond inside and the inside elastic connection of position lateral extrusion hole (5) side direction assembly groove (9).

3. The high-precision locking nut sleeve for the automobile half-shaft bolt as claimed in claim 2, which is characterized in that: lateral extrusion hole (5) be the rectangle structure for inside cross-section, vertical gag lever post (10) lateral surface, lateral extrusion hole (5) inboard connection face and lateral storage groove (4) inboard connection face between not have the clearance.

4. The high-precision locking nut sleeve for the automobile half-shaft bolt as claimed in claim 2, which is characterized in that: the size of the inner section of the mutual combination of the lateral containing groove (4) and the bottom limiting extrusion groove (6) is the same as that of the inner section of the lateral extrusion hole (5).

5. The high-precision locking nut sleeve for the automobile half-shaft bolt as claimed in claim 1, which is characterized in that: the lower end of the extrusion threaded rod (7) is provided with a linear adjusting groove.

6. The high-precision locking nut sleeve for the automobile half-shaft bolt as claimed in claim 2, which is characterized in that: the lower end of the longitudinal limiting rod (10) is provided with a conical structure bottom guide groove (14).