CN220220707U - Limit rubber and production die thereof - Google Patents

Abstract

The utility model discloses a limit rubber, which comprises rubber and a metal framework, wherein the rubber and the metal framework are annular, the metal framework is arranged on the rubber, the rubber and the metal framework are vulcanized and integrally formed, and the rubber is provided with a plurality of grooves. According to the utility model, the metal framework and the rubber are vulcanized into an integral molding, so that the problem that the limiting rubber is easy to deform is solved, and the positioning block in the limiting rubber production die is used for positioning the position of the metal framework, so that the metal framework can be arranged in the rubber, the limiting rubber is conveniently produced, and the product quality is improved.

Description

Limit rubber and production die thereof

Technical Field

The utility model relates to the technical field of rubber, in particular to limit rubber and a production die thereof.

Background

With the increasing environmental protection requirements and the revolution of automobile electrification, extremely high requirements are newly put on the related products of the traditional braking system in the background.

When the automobile brakes, the push rod is driven to move to the automobile brake master cylinder or leave the automobile brake master cylinder through the movement of the pedal, pressure fluid is transmitted from the automobile brake master cylinder to the wheel brakes through various pipelines to brake or release the brake, the automobile brake master cylinder is arranged on a partition plate of an engine room, and for achieving the purpose of braking, the limit rubber is generally arranged at the joint of the master cylinder and the brake, so that the shape of the limit rubber is changed along with the change of the distance between the master cylinder and the brake, but the existing limit rubber has the defects of high production and processing difficulty and low defective rate, and the traditional limit rubber is easy to deform in the repeated use process, so that the service life of the limit rubber is influenced.

Therefore, it is desirable to provide a limit rubber and a production mold thereof, so that the limit rubber produced by the limit production mold can overcome the above-mentioned drawbacks.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a limiting rubber and a production die thereof.

The utility model provides a limit rubber, which comprises the following components: rubber and metal skeleton, rubber and metal skeleton all are the annular, and metal skeleton installs on the rubber, and rubber and metal skeleton vulcanize integrated into one piece, have a plurality of recesses on the rubber, and metal skeleton is used for making the rubber with the effect of fixed shape to the life of spacing rubber is prolonged.

Preferably, the metal skeleton is mounted inside the rubber.

The utility model also provides a limit rubber production die which comprises an upper die, a middle die and a lower die, wherein the upper die is detachably arranged on the lower die, the middle die is detachably arranged between the upper die and the lower die, an annular charging cavity is formed among the upper die, the middle die and the lower die, a metal framework is arranged in the charging cavity in the process of producing limit rubber, and the size of the charging cavity is matched with that of rubber.

Preferably, the upper die is provided with a liquid injection hole which is communicated with the feeding cavity and is used for facilitating the injection of rubber into the feeding cavity.

Preferably, the liquid injection hole is in an inverted cone shape.

Preferably, the feeding cavity further comprises a positioning block, wherein the positioning block is arranged in the feeding cavity and positioned below the metal framework and is used for supporting and positioning the metal framework.

Preferably, the positioning block abuts against the outside of the charging chamber.

The limit rubber and the production die thereof provided by the utility model have the following beneficial effects:

the problem that the limiting rubber is easy to deform is solved by vulcanizing the metal framework and the rubber into the integral molding, and the positioning block in the limiting rubber production mold is used for positioning the metal framework, so that the metal framework can be arranged in the rubber, the limiting rubber is conveniently produced, and the product quality is improved.

Drawings

FIG. 1 is a schematic diagram of a limit rubber according to the present utility model;

FIG. 2 is a cross-sectional view of a stopper rubber according to the present utility model;

fig. 3 is a cross-sectional view of a limited rubber production mold according to the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In order to better understand the above technical scheme, the following detailed description of the technical scheme of the present utility model will be given with reference to the accompanying drawings of the specification and the specific embodiments.

Referring to fig. 1 to 2, the limit rubber provided by the utility model comprises rubber 1 and a metal framework 2, wherein the rubber 1 and the metal framework 2 are annular, the metal framework 2 is arranged in the rubber 1 and is completely wrapped by the rubber 1, the rubber 1 and the metal framework 2 are vulcanized and integrally formed, the metal framework 2 is used for playing a role in manufacturing and fixing the shape of the rubber 1, so that the service life of the limit rubber is prolonged, five grooves 11 are formed below the rubber 1, the distance between every two adjacent grooves 11 is equal, and the grooves 11 play a role in positioning, so that the limit rubber is convenient to accurately install between a master cylinder and a brake.

Referring to fig. 3, the utility model further provides a limited rubber production mold, which comprises an upper mold 3, a middle mold 4 and a lower mold 5, wherein the upper mold 3 is detachably arranged on the lower mold 5, the middle mold 4 is detachably arranged between the upper mold 3 and the lower mold 5, an annular feeding cavity 6 is formed among the upper mold 3, the middle mold 4 and the lower mold 5, a metal framework 2 is arranged in the feeding cavity 6 in the process of producing limited rubber, a gap is arranged between the outer side of the metal framework 2 and the feeding cavity 6, the size of the feeding cavity 6 is matched with the size of the rubber 1, a liquid injection hole 8 is formed in the upper mold 3, the liquid injection hole 8 is communicated with the feeding cavity 6, the liquid injection hole 8 is in an inverted cone shape, and the liquid injection hole 8 is used for conveniently injecting the rubber 1 into the feeding cavity 6.

Further, the feeding device further comprises positioning blocks 7, the positioning blocks 7 are arranged in the feeding cavity 6 and are abutted to the outer side of the feeding cavity 6, the positioning blocks 7 are located below the metal framework 2, the positioning blocks 7 are used for supporting and positioning the metal framework 2 and enabling the rubber 1 to form grooves 11, the five positioning blocks 7 are arranged, and the distance between every two adjacent positioning blocks 7 is equal.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. A stopper rubber, comprising: rubber (1) and metal skeleton (2), rubber (1) and metal skeleton (2) all are annular, and metal skeleton (2) are installed on rubber (1), and rubber (1) and metal skeleton (2) vulcanize integrated into one piece, have a plurality of recess (11) on rubber (1).

2. The limit rubber according to claim 1, characterized in that the metal skeleton (2) is mounted inside the rubber (1).

3. A limited rubber production mould based on any one of claims 1-2, which is characterized by comprising an upper mould (3), a middle mould (4) and a lower mould (5), wherein the upper mould (3) is detachably arranged on the lower mould (5), the middle mould (4) is detachably arranged between the upper mould (3) and the lower mould (5), an annular feeding cavity (6) is formed between the upper mould (3), the middle mould (4) and the lower mould (5), the metal framework (2) is arranged in the feeding cavity (6), and the size of the feeding cavity (6) is matched with that of the rubber (1).

4. A limit rubber production mould according to claim 3, wherein the upper mould (3) is provided with a liquid injection hole (8), and the liquid injection hole (8) is communicated with the feeding cavity (6).

5. The limit rubber production mold according to claim 4, wherein the liquid injection hole (8) is in an inverted cone shape.

6. A limit rubber production mould according to claim 3, further comprising a positioning block (7), wherein the positioning block (7) is installed in the feeding cavity (6) and located under the metal skeleton (2) for supporting and positioning the metal skeleton (2).

7. The limit rubber production mold according to claim 6, characterized in that the positioning block (7) abuts against the outside of the charging cavity (6).