CN219035289U

CN219035289U - Annular gasket

Info

Publication number: CN219035289U
Application number: CN202223472486.8U
Authority: CN
Inventors: 张文; 陈光杰; 陈光友; 林福荣; 李建军
Original assignee: Zhejiang Mingda Auto Parts Co ltd
Current assignee: Zhejiang Mingda Auto Parts Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-16
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a circular gasket, which belongs to the technical field of gaskets and comprises a circular gasket, wherein a through hole is formed in the surface of the circular gasket, a hexagonal bolt penetrates through the through hole, and six limiting sheets are arranged around the edge of the circular gasket. The six limiting plates are arranged around the outer wall of the circular ring gasket, after the hexagonal bolt is installed, the six limiting plates can be broken towards the direction of the hexagonal bolt through the bending parts, so that the six limiting plates are respectively attached to six side faces of the hexagonal bolt, stability between the gasket and the bolt is guaranteed through the limiting plates, looseness caused by vibration between the gasket and the bolt is avoided, the firmness of bolt fixation is further affected, the anti-loosening operation of the gasket is lighter and faster, the anti-loosening effect is better, a rubber pad glued on the upper surface and the lower surface of the circular ring gasket can improve friction force between the hexagonal bolt and a workpiece and the gasket, the hexagonal bolt can be screwed tightly, and looseness and metal corrosion are effectively prevented.

Description

Annular gasket

Technical Field

The utility model relates to the technical field of gaskets, in particular to a circular gasket.

Background

In the mechanical field concerned, most machines and parts are not separated from the fastener in the connection assembly, the fastener (hexagonal bolt) brings convenience to the mechanical industry, but has an unavoidable weakness, namely, the problem of self-loosening in severe vibration, and the part or a complete device can be damaged or disassembled due to the loosening of the fastener, even accidents are caused.

Application number: 201820219096.4, discloses a hexagonal bolt gasket, includes: the centers of the first gasket and the second gasket are provided with through holes, and the diameters of the through holes are the same; the upper surface of the first gasket is provided with stripe-shaped bulges, and the lower surface of the first gasket is provided with a first meshing structure; the upper surface of the second gasket is provided with a second meshing structure, the lower surface of the second gasket is provided with stripe-shaped bulges, and the upper surface of the second gasket is provided with a second meshing structure; the density of the stripe-shaped protrusions is greater than that of the first engagement structure and the second engagement structure; the first engagement structure is engaged with the second engagement structure. So that the hexagonal bolt assembly can be ensured not to be loosened in a vibration environment when the hexagonal bolt gasket is assembled on the hexagonal bolt, and the phenomenon that the hexagonal bolt is loosened can not occur easily under the condition of strong vibration.

The above comparison document makes the gasket firmer through the meshing structure of the two gaskets, thereby avoiding looseness between the gasket and the hexagonal bolt, but the gasket adopts split type design, and the gasket needs to be fixed by using adhesive glue, the whole operation mode is more complex, the efficiency is lower, the friction force between the gasket and the bolt and the workpiece is lower, the anti-loosening effect is general, and aiming at the above situation, we push out a circular gasket.

Disclosure of Invention

The utility model aims to provide a circular gasket so as to solve the problems of complex operation and low efficiency of the gasket with split design in the prior art.

The technical scheme of the utility model is as follows:

the novel rubber gasket comprises a circular gasket body, wherein a through hole is formed in the surface of the circular gasket body, a hexagonal bolt penetrates through the through hole, six limiting pieces are arranged around the edge of the circular gasket body, a bending part is arranged at one end, close to the circular gasket body, of each limiting piece, and rubber gaskets are glued on the upper surface and the lower surface of the circular gasket body.

Further, an arc groove is formed in the upper surface and the lower surface of the bending part.

Further, an anti-skid groove is formed in the surface of the rubber pad.

Further, the anti-skid groove is in a bent shape, and the anti-skid groove is circumferentially distributed on the surface of the rubber pad.

Furthermore, the annular gasket and the limiting piece are integrally formed by injection molding.

The utility model provides a circular gasket through improvement, which has the following improvement and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, after the hexagonal bolt is installed, the six limiting pieces arranged around the outer wall of the circular ring gasket can be broken towards the direction of the hexagonal bolt through the bending part, so that the six limiting pieces are respectively attached to the six side surfaces of the hexagonal bolt, the stability between the gasket and the bolt is ensured through the limiting pieces, looseness caused by vibration between the gasket and the bolt is avoided, the firmness of bolt fixation is further influenced, the anti-loosening operation of the gasket is lighter, more rapid and better in anti-loosening effect.

And two,: according to the utility model, the rubber pad glued on the upper surface and the lower surface of the circular ring gasket can improve the friction force between the hexagonal bolt and the workpiece and the gasket, ensure that the hexagonal bolt can be screwed more tightly, effectively prevent looseness and metal corrosion, and then the anti-skid groove formed on the surface of the rubber pad can further improve the friction force between the rubber pad and the workpiece and the bolt, and the anti-skid effect of a plurality of bending anti-skid grooves distributed in a surrounding manner are better.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic top view of a gasket of the present utility model;

FIG. 3 is a schematic diagram of a bending state structure of a limiting plate according to the present utility model;

fig. 4 is a schematic diagram of a bending top view structure of a limiting plate according to the present utility model.

Reference numerals illustrate: 1. a circular ring gasket; 2. a through hole; 3. a hexagonal bolt; 4. a limiting piece; 5. a bending part; 6. a rubber pad; 7. an anti-skid slot.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

According to the utility model, as shown in fig. 1-4, the annular gasket is provided by improvement, the annular gasket comprises an annular gasket 1, the surface of the annular gasket 1 is provided with a through hole 2, a hexagonal bolt 3 penetrates through the through hole 2, six limiting pieces 4 are circumferentially arranged at the edge of the annular gasket 1, one end, close to the annular gasket 1, of each limiting piece 4 is provided with a bending part 5, rubber pads 6 are glued on the upper surface and the lower surface of the annular gasket 1, the hexagonal bolt 3 can penetrate through the through hole 2 of the annular gasket 1 in the use process, the annular gasket 1 is positioned between a workpiece and a hexagonal bolt head, the rubber pads 6 glued on the upper surface and the lower surface of the annular gasket 1 can improve friction force between the hexagonal bolt 3 and the workpiece and the annular gasket 1, the hexagonal bolt 3 can be screwed more tightly, looseness and metal corrosion are effectively prevented, and loose are effectively prevented, and six limiting pieces 4 circumferentially arranged on the outer wall of the annular gasket 1 are respectively attached to six sides of the hexagonal bolt 3 through the bending parts 5 after the hexagonal bolt 3 is installed, the hexagonal bolt 3 is ensured, the looseness and the looseness of the annular gasket is prevented from being more firmly influenced by the vibration between the hexagonal bolt 3 and the hexagonal bolt 3, and the vibration of the annular gasket is more stable.

As shown in fig. 1, the upper and lower surfaces of the bending portion 5 are provided with arc grooves, and the arc grooves can improve the bending looseness of the limiting plate 4 through the bending portion 5.

The anti-skid groove 7 is formed in the surface of the rubber pad 6, the friction force between the rubber pad 6 and the workpiece and the bolt 3 can be further improved by the anti-skid groove 7, and the jacking degree is guaranteed.

The anti-skid grooves 7 are in a bent shape, the anti-skid grooves 7 are distributed on the surface of the rubber pad 6 in a surrounding mode, the anti-skid effect of the anti-skid grooves 7 in the surrounding mode is good, and the anti-loosening effect is good.

The integrated molding is used for injection molding between the circular ring gasket 1 and the limiting piece 4, so that the structural strength between the circular ring gasket 1 and the limiting piece 4 can be effectively ensured, the limiting piece 4 is not easy to break, and the anti-loosening effect is better.

Working principle: firstly, can pass hexagonal bolt 3 in the through-hole 2 of ring gasket 1 for ring gasket 1 is located between work piece and the hexagonal bolt head, and the rubber pad 6 that the upper and lower surface was glued to ring gasket 1 can improve the frictional force between hexagonal bolt 3 and work piece and ring gasket 1, guarantee that hexagonal bolt 3 can screw up more tightly, and effectively prevent not hard up and metallic corrosion, then the anti-skidding groove 7 that rubber pad 6 surface was offered can further improve the frictional force between rubber pad 6 and work piece and the bolt 3, and the anti-skidding effect of a plurality of anti-skidding grooves 7 of bending that encircle the distribution, the locking effect is better, then six spacing pieces 4 that ring gasket 1 outer wall encircleed the setting are broken with the fingers and thumb to the hexagonal bolt 3 direction through bending portion 5, make six spacing pieces 4 laminate respectively in six sides of hexagonal bolt 3, thereby guarantee the stability between ring gasket 1 and the hexagonal bolt 3 through spacing piece 4, avoid between them because of vibrations and produce not hard up, and then influence the firm of hexagonal bolt 3 fixing, and be between ring gasket 1 and the spacing piece 4 and the easy piece of moulding plastics, can guarantee that the spacing piece is broken between the spacing piece 1 and the spacing piece is effective, the spacing piece is better, the spacing effect between the spacing piece of the spacer of the ring 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a ring shape gasket which characterized in that: including ring gasket (1), through-hole (2) have been seted up on ring gasket (1) surface, through-hole (2) department runs through has hexagon bolt (3), ring gasket (1) edge is encircleed and is provided with six spacing piece (4), the one end that spacing piece (4) are close to ring gasket (1) is provided with bending portion (5), the upper and lower surface of ring gasket (1) glues has rubber pad (6).

2. A toroidal gasket as claimed in claim 1, wherein: arc grooves are formed in the upper surface and the lower surface of the bending part (5).

3. A toroidal gasket as claimed in claim 1, wherein: an anti-skid groove (7) is formed in the surface of the rubber pad (6).

4. A toroidal gasket as claimed in claim 3, wherein: the anti-skid grooves (7) are bent, and the anti-skid grooves (7) are circumferentially distributed on the surface of the rubber pad (6).

5. A toroidal gasket as claimed in claim 1, wherein: the annular gasket (1) and the limiting piece (4) are integrally formed by injection molding.