CN219774779U - Asbestos-free temperature-resistant sealing gasket - Google Patents

Abstract

The utility model discloses an asbestos-free temperature-resistant sealing gasket which comprises an outer shell layer and an inner ring layer, wherein the inner part of the outer shell layer is hollow, the inner side wall is open, a heat insulation filling layer is arranged in the outer shell layer, and the heat insulation filling layer is fixedly connected with the outer shell layer and the inner ring layer through bonding layers; the outside of inner circle layer inserts from the open department of shell in-situ lateral wall, the medial circle of inner circle layer is located the medial surface department of shell upper and lower lateral wall, and the both sides of the medial circle of inner circle layer are apart from shell upper and lower lateral surface 0.3mm. According to the utility model, the high temperature resistance and oil resistance of the finished product can be ensured through the outer shell layer and the inner ring layer which are made of the silicon rubber, the outer shell layer and the inner ring layer can deform after being pressed, a deformation space is reserved, and the annular layer made of the aerogel is used for heat insulation filling, so that the compression resistance of the heat resistance of the product is improved, and the weight is lighter.

Description

Asbestos-free temperature-resistant sealing gasket

Technical Field

The utility model relates to the technical field of sealing gaskets, in particular to an asbestos-free temperature-resistant sealing gasket.

Background

The sealing gasket is a sealing spare part for machinery, equipment and pipelines, and is used in places where fluid exists. The sealing gasket is made of metal or nonmetal plate materials and is used for sealing connection between pipelines by cutting, stamping or cutting and the like, and sealing connection between parts of machine equipment is realized. The sealing gasket can be divided into a metal sealing gasket and a nonmetal sealing gasket according to materials. The metal is copper gasket, stainless steel gasket, iron gasket, aluminum gasket, etc. Non-metal asbestos gaskets, non-asbestos gaskets, paper gaskets, rubber gaskets and the like.

Because asbestos has cancerogenic effect to human body and is unfavorable for environmental protection, products made of asbestos are less and less, and due to materials, the existing rubber gasket cannot be lightened and the normal use function of the rubber gasket is ensured, so that the rubber gasket needs to be improved.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an asbestos-free temperature-resistant sealing gasket.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the asbestos-free temperature-resistant sealing gasket comprises an outer shell layer and an inner ring layer, wherein the inner part of the outer shell layer is hollow, the inner side wall is open, a heat insulation filling layer is arranged in the outer shell layer, and the heat insulation filling layer is fixedly connected with the outer shell layer and the inner ring layer through bonding layers;

the outside of inner circle layer inserts from the open department of shell in-situ lateral wall, the medial circle of inner circle layer is located the medial surface department of shell upper and lower lateral wall, and the both sides of the medial circle of inner circle layer are apart from shell upper and lower lateral surface 0.3mm.

As a further description of the above technical solution:

the outer shell layer and the inner ring layer are made of silicon rubber materials.

As a further description of the above technical solution:

the heat insulation filling layer is annular and made of aerogel materials.

As a further description of the above technical solution:

the adhesive layer is made of phenolic resin.

As a further description of the above technical solution:

the thickness of the upper side wall and the lower side wall of the outer shell layer is 0.8mm, and the thickness of the outer side wall of the outer shell layer is 1.6mm.

The utility model has the following beneficial effects:

compared with the prior art, the asbestos-free temperature-resistant sealing gasket has the advantages that the high temperature resistance and the oil resistance of a finished product can be guaranteed through the outer shell layer and the inner ring layer which are made of silicon rubber, the outer shell layer and the inner ring layer can deform after being pressed, deformation space is reserved, heat insulation filling is carried out through the annular layer made of aerogel, the compression resistance of the heat resistance of the product is improved, and the weight is lighter.

Drawings

FIG. 1 is a schematic structural view of an asbestos-free temperature-resistant gasket seal in accordance with the present utility model;

FIG. 2 is a cross-sectional view of an asbestos-free temperature resistant gasket seal in accordance with the present utility model;

fig. 3 is an enlarged view at a in fig. 2.

Legend description:

1. an outer shell layer; 2. an inner ring layer; 3. a thermal insulation filling layer; 4. and (3) an adhesive layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment provided by the present utility model is: the asbestos-free temperature-resistant sealing gasket comprises an outer shell layer 1 and an inner ring layer 2, wherein the thickness of the upper side wall and the lower side wall of the outer shell layer 1 is 0.8mm, the thickness of the outer side wall of the outer shell layer 1 is 1.6mm, the inside of the outer shell layer 1 is hollow, the inner side wall is open, a heat insulation filling layer 3 is arranged in the outer shell layer 1, the heat insulation filling layer 3 is annular and made of aerogel materials, the aerogel materials can provide excellent heat insulation performance and bearing capacity, meanwhile, the quality is lighter, the heat insulation filling layer 3 is fixedly connected with the outer shell layer 1 and the inner ring layer 2 through a bonding layer 4, and the bonding layer 4 is made of phenolic resin and plays roles in bonding and flame retardance;

the outside of inner circle layer 2 inserts from the open department of shell layer 1 inside wall, and the part of inner circle layer 2 inserting shell layer 1 and the upper and lower inner wall of shell layer 1 do not bond, can conveniently discharge the inside air of tie coat 4 bonding thermal-insulated filling layer 3 and shell layer 1 time gap like this, the medial circle of inner circle layer 2 is located the medial surface department of shell layer 1 upper and lower lateral wall, and the both sides of the medial circle of inner circle layer 2 are 0.3mm apart from shell layer 1 upper and lower lateral surface, for the use in-process inner circle layer 2 and shell layer 1 warp and provide the space of stepping down, also conveniently pack into the use from the inner circle layer 2 inboard simultaneously.

The outer shell layer 1 and the inner ring layer 2 are made of silicon rubber materials, can work for a long time at 180 ℃ and have good oil resistance and low temperature resistance.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The asbestos-free temperature-resistant sealing gasket is characterized in that: the heat insulation type inner ring comprises an outer shell layer (1) and an inner ring layer (2), wherein the inner part of the outer shell layer (1) is hollow, the inner side wall is open, a heat insulation filling layer (3) is arranged in the outer shell layer (1), and the heat insulation filling layer (3) is fixedly connected with the outer shell layer (1) and the inner ring layer (2) through an adhesive layer (4);

the outside of inner circle layer (2) inserts from the open department of shell layer (1) inside wall, the medial circle of inner circle layer (2) is located the medial surface department of the upper and lower lateral wall of shell layer (1), and the both sides of the medial circle of inner circle layer (2) are apart from shell layer (1) upper and lower side 0.3mm.

2. An asbestos-free temperature-resistant gasket seal according to claim 1, wherein: the outer shell layer (1) and the inner ring layer (2) are made of silicon rubber materials.

3. An asbestos-free temperature-resistant gasket seal according to claim 1, wherein: the heat insulation filling layer (3) is annular and made of aerogel materials.

4. An asbestos-free temperature-resistant gasket seal according to claim 1, wherein: the adhesive layer (4) is made of phenolic resin.

5. An asbestos-free temperature-resistant gasket seal according to claim 1, wherein: the thickness of the upper side wall and the lower side wall of the shell layer (1) is 0.8mm, and the thickness of the outer side wall of the shell layer (1) is 1.6mm.