CN218493998U

CN218493998U - Bolt with locking gasket

Info

Publication number: CN218493998U
Application number: CN202222002383.9U
Authority: CN
Inventors: 宋向红
Original assignee: Ningbo Hualixing Fastener Co ltd
Current assignee: Ningbo Hualixing Fastener Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-02-17
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to a fastener field discloses a bolt with lock washer, including bolt, threaded connection in the nut and the lock washer of bolt, lock washer including can the lock section that lock joint section and orientation nut direction set up in the bolt head, the lock section be provided with nut complex lock tooth, apply external force to the lock section and can order about the relative lock section of lock joint section and take place deformation and can order about lock joint section and bolt head and break away from, the lock joint section does not rotate the setting with the bolt head is synchronous this moment.

Description

Bolt with locking gasket

Technical Field

The utility model relates to a fastener field especially relates to a bolt with lock washer.

Background

The fastener generally includes the bolt, the screw etc. bolt on the present market can use with the nut cooperation, nevertheless because of the reason of nut and bolt easily because vibrations in some vibrations environment for the bolt shifts out the installation department, thereby the design has the locking tooth on the bolt, see that application number is CN201420483872.3 and has related to mechanical type auto-lock bolt, this relates to and all is provided with gear structure on bolt head and nut, carry out the locking through gear structure to the object surface, but gear structure's structural design, when leading to the pine bolt, difficult loosening leads to dismantling the difficulty.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be provided with the difficult loosening of bolt of locking tooth to prior art, lead to dismantling the shortcoming of difficulty, provide a bolt with lock washer.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a bolt with locking washer, includes bolt, threaded connection in the nut and the locking washer of bolt, locking washer including can the lock section that lock joint section and orientation nut direction set up in the bolt head, the lock section be provided with nut complex lock tooth, exert external force to the lock section can order about the relative lock section of lock joint section and take place deformation and can order about lock section and bolt head and break away from, the lock joint section does not rotate the setting with the bolt head is synchronous this moment.

Adopt above-mentioned scheme, when needs nut and bolt head separation, locking washer's lock tooth can't order about both separations, exert external force to the lock joint section this moment, can order about the relative locking section of lock joint section and take place deformation, lock joint section deformation takes place the bending with both junctions of lock joint section and locking section, thereby order about lock joint section and bolt head and break away from, when the lock joint section deformation of ordering about the bolt head, the locking washer of bolt head no longer rotates the setting with bolt head synchronization, thereby can order about the nut and be the direction rotation of keeping away from relative to the bolt head, play the effect of loosening bolt or nut.

Preferably, the nut and the bolt head are both provided with locking washers, and the locking teeth of the locking washers of the nut and the bolt head can be in a mutually matched state.

Adopt above-mentioned scheme, nut and bolt head all are provided with the benefit of locking washer lie in, and both accessible lock teeth of nut and bolt head carry out the interlocking, avoid the direct and nut cooperation of lock tooth.

Preferably, the lock teeth are provided with inclined surfaces on one side surface in the shape of inclined teeth, the inclined surfaces of the lock teeth are arranged towards the screwing direction of the bolt, and the inclined surfaces of the lock teeth of the locking washers on the nut and the bolt head are arranged oppositely.

Adopt above-mentioned scheme, the advantage that the lock tooth is the slope form lies in, need not too hard when screwing up.

Preferably, the locking teeth are provided with a plurality of locking teeth which are distributed in an annular array.

By adopting the scheme, the connecting strength can be enhanced by the plurality of locking teeth.

Preferably, the locking section is provided with a clamping groove which is convenient for applying external force to the fastening section.

By adopting the scheme, the clamping groove is convenient for the straight screwdriver to apply external force to the fastening section.

Preferably, the fastening section is provided with a guide groove opposite to the clamping groove.

By adopting the scheme, the guide groove is convenient for the straight screw to enter the clamping groove.

Preferably, the bolt head and the nut are hexagonal, the locking section is provided with two or more than two fastening sections, and different fastening sections can be respectively fastened with six surfaces of the bolt head.

By adopting the scheme, the hexagon is in a shape commonly used by bolts, so that the hexagon is convenient to adapt to bolts and nuts of different specifications.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect: when needing nut and bolt head separation, locking washer can't order about both separations, exert external force to the lock joint section this moment, can order about the relative locking section of lock joint section and take place deformation, the lock joint section deformation takes place the bending with both junctions of lock joint section and locking section to order about lock joint section and bolt head or nut and break away from, when the lock joint section deformation of ordering about the bolt head, the locking washer of bolt head no longer rotates the setting with the bolt head is synchronous, thereby can order about the nut and be the rotation of keeping away from the direction relative to the bolt head.

Drawings

FIG. 1 is a schematic view of a bolt structure with a lock washer in an embodiment;

fig. 2 is a schematic structural diagram of a lock washer in the embodiment.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. a bolt; 2. a nut; 3. a locking washer; 4. a head; 5. a screw section; 6. a fastening section; 7. a locking section; 8. locking teeth; 9. a card slot; 10. a guide groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example (b):

a bolt with a locking gasket, firstly refer to fig. 1 and fig. 2, comprising a bolt 1, a nut 2 screwed on the bolt 1, and a locking gasket 3, wherein the bolt 1 comprises a head 4 and a screw section 5 in the shape of a screw for connecting the nut 2, in this embodiment, the head 4 of the bolt 1 and the nut 2 are both hexagonal, in this embodiment, the nut 2 and the head 4 of the bolt 1 are both provided with the locking gasket 3, the locking gasket 3 comprises a fastening section 6 and a locking section 7 which can be fastened on the head 4 of the bolt 1 or the nut 2, the locking gasket 3 can be fastened on the head 4 of the bolt 1 and the nut 2 through a fastening part, in this embodiment, one side of the locking section 7 is convexly provided with two fastening sections 6, but not limited to two, or between two and six, the fastening sections 6 are L-shaped, the two fastening sections 6 in this embodiment are symmetrically arranged on two faces of the head 4 of the bolt 1 or the nut 2, the locking section 7 is annularly provided with an avoiding hole with the diameter larger than that of the screw section 5, one side of the locking section 7, which is far away from the fastening section 6, is provided with a plurality of locking teeth 8, the locking teeth 8 are distributed outside the avoiding hole in an annular array, the locking teeth 8 of the locking gaskets 3 on the head 4 of the bolt 1 and the head 4 of the bolt 1 can be in a mutually matched state, the locking teeth 8 of the locking gasket 3 on the head 4 of the bolt 1 are arranged towards the direction of the nut 2, the locking teeth 8 of the locking gasket 3 on the nut 2 are arranged towards the direction of the head 4 of the bolt 1, the locking teeth 8 are in a skewed tooth shape, one side of each skewed tooth is provided with an inclined surface, the inclined surface of the locking gasket 3 on the head 4 of the bolt 1 is arranged towards the screwing direction of the bolt 1, the locking teeth 8 of the locking gaskets 3 on the head 4 of the nut 2 and the head 4 of the bolt 1 are oppositely arranged, so that the inclined surfaces of the locking teeth 8 of the locking gaskets 3 on the head 4 of the nut 2 and the head 4 of the bolt 1 are oppositely arranged, the locking teeth 8 of the locking gaskets 3 on the nut 2 and the head 4 of the bolt 1 can be mutually matched, and when the locking gaskets 3 on the nut 2 and the head 4 of the bolt 1 are abutted, the design of the inclined teeth drives the bolt 1 and the nut 2 to rotate only towards the screwing direction, so that the anti-loosening effect is achieved.

Referring to fig. 1 and 2, the fastening section 6 and the locking section 7 are bending members, when the fastening section 6 is matched with the head 4 of the bolt 1 or the nut 2, the fastening section 6 and the locking section 7 are vertical, but when the nut 2 is required to be separated from the head 4 of the bolt 1, the locking gasket 3 cannot drive the two to be separated, external force is applied to the fastening section 6 at the moment, the fastening section 6 can be driven to deform relative to the locking section 7, the fastening section 6 deforms to bend at the joint of the fastening section 6 and the locking section 7, so that the fastening section 6 is driven to be separated from the head 4 of the bolt 1 or the nut 2, when the fastening section 6 driving the head 4 of the bolt 1 deforms, the locking gasket 3 of the head 4 of the bolt 1 is not arranged to rotate synchronously with the head 4 of the bolt 1 any more, and the nut 2 can be driven to rotate in a far away direction relative to the head 4 of the bolt 1.

Referring to fig. 1 and 2, a clamping groove 9 convenient for applying external force to the fastening section 6 is formed in the locking section 7, the clamping groove 9 is in a long strip shape, the head 4 of a character screwdriver convenient to enter the clamping groove 9, a guide groove 10 opposite to the clamping groove 9 is formed in one side, away from the locking section 7, of the fastening section 6, the guide groove 10 is convenient for the character screwdriver to enter the clamping groove 9, the fastening section 6 can be easily pulled through the character screwdriver or a strip-shaped sheet body, and the fastening section 6 and the opposite locking section 7 are arranged in a deformation mode.

Claims

1. The bolt with the locking gasket comprises a bolt (1), a nut (2) and the locking gasket (3) which are connected to the bolt (1) in a threaded mode, and is characterized in that the locking gasket (3) comprises a fastening section (6) capable of being fastened to the head (4) of the bolt (1) and a locking section (7) arranged towards the direction of the nut (2), locking teeth (8) matched with the nut (2) are arranged on the locking section (7), external force is applied to the fastening section (6), the fastening section (6) can be driven to deform relative to the locking section (7) and can be driven to separate from the head (4) of the bolt (1), and at the moment, the fastening section (6) is not arranged in a synchronous rotating mode with the head (4) of the bolt (1).

2. The bolt with the locking gasket as claimed in claim 1, characterized in that the nut (2) and the head (4) of the bolt (1) are provided with the locking gasket (3), and the locking teeth (8) of the locking gasket (3) of the nut (2) and the head (4) of the bolt (1) can be mutually matched.

3. The bolt with the lock washer according to claim 1, characterized in that the lock tooth (8) is provided with an inclined surface on one side in the form of an inclined tooth, the inclined surface of the lock tooth (8) is arranged toward the tightening direction of the bolt (1), and the inclined surfaces of the lock teeth (8) of the lock washer (3) on both the nut (2) and the head (4) of the bolt (1) are arranged oppositely.

4. Bolt with lock washer according to claim 1, characterized in that the locking tooth (8) is provided in several numbers, several locking teeth (8) being distributed in an annular array.

5. The bolt with the locking washer as claimed in claim 1, wherein the locking section (7) is formed with a locking groove (9) for applying an external force to the fastening section (6).

6. Bolt with lock washer according to claim 5, characterized in that the fastening section (6) is provided with a guide groove (10) opposite the snap groove (9).

7. The bolt with the locking gasket as claimed in claim 1, wherein the head (4) of the bolt (1) and the nut (2) are hexagonal, the locking section (7) is provided with two or more fastening sections (6), and different fastening sections (6) can be respectively fastened to six surfaces of the head (4) of the bolt (1).