Stretch-resistant asbestos sealing gasket structure

Abstract

The utility model provides a stretch-proof asbestos sealing gasket structure which comprises an asbestos sealing gasket body, the asbestos sealing gasket body is composed of a first asbestos layer, a metal net and a second asbestos layer, and the first asbestos layer, the metal net and the second asbestos layer are arranged from top to bottom. And a plurality of copper wires are arranged in the first asbestos layer and the second asbestos layer. According to the tensile asbestos sealing gasket structure, the metal net is arranged, the metal net can disperse tensile stress, the situation that the asbestos sealing gasket body is excessively deformed or fractured under the action of external force is prevented, and the tensile property of the asbestos sealing gasket can be well improved in cooperation with the copper wires; and the inner reinforcing ring and the outer reinforcing ring are matched to reinforce the edge of the asbestos sealing gasket, so that the edge strength of the asbestos sealing gasket body is improved, the service life of the asbestos sealing gasket body is prolonged, and the stability of the asbestos sealing gasket body in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of asbestos sealing pad, especially to a tensile asbestos sealing pad structure. BACKGROUND

[0002] The asbestos pad is made of asbestos fiber and rubber as main raw materials, rubber additives and fillers, and is made through mixing, stirring, hot roller forming and vulcanization processes. The asbestos fiber gasket can be divided into ordinary rubber gasket and oil-resistant asbestos rubber gasket according to its formula, process performance and use, and is suitable for sealing of water, steam, oil, solvent, medium acid and alkali, and is applied to sealing of medium and low pressure flange connection.

[0003] In the prior art, the asbestos sealing pad is located at the butt joint of the pipeline, and the pressure at the joint is large, so that the asbestos sealing pad is easily stretched and deformed under the large pressure, causing the asbestos sealing pad to be broken, reducing the sealing stability and shortening the service life of the asbestos sealing pad.

[0004] Therefore, it is necessary to provide a new tensile asbestos sealing pad structure to solve the above technical problems. SUMMARY

[0005] The utility model provides a tensile asbestos sealing pad structure, and solves the technical problem that the asbestos sealing pad is easily stretched and deformed under the large pressure in the prior art.

[0006] To solve the above technical problems, the tensile asbestos sealing pad structure provided by the utility model comprises an asbestos sealing pad body, the asbestos sealing pad body is composed of a first asbestos layer, a metal mesh and a second asbestos layer, and the first asbestos layer, the metal mesh and the second asbestos layer are arranged from top to bottom.

[0007] The first asbestos layer and the second asbestos layer are provided with a plurality of copper wires inside.

[0008] Preferably, the copper wires are annular, and a plurality of the copper wires are arranged and disposed from inside to outside in a gradually increasing manner.

[0009] Preferably, an inner reinforcing ring is embedded in the inner wall surface of the asbestos sealing pad body, and an outer reinforcing ring is sleeved on the side wall of the asbestos sealing pad body.

[0010] Preferably, the side wall of the inner reinforcing ring is fixedly connected with a plurality of first protrusions embedded in the inside of the asbestos sealing pad body, and the inner wall surface of the outer reinforcing ring is fixedly connected with a plurality of second protrusions embedded in the inside of the asbestos sealing pad body.

[0011] Preferably, the surface of the asbestos gasket body is coated with a rubber coating.

[0012] Preferably, the surface of the rubber coating is coated with an asphalt coating.

[0013] Compared with the related art, the asbestos gasket structure with tensile resistance provided by the utility model has the following advantages

[0014] Beneficial effects:

[0015] The asbestos gasket structure with tensile resistance provided by the utility model has the following advantages BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The asbestos gasket structure with tensile resistance provided by the utility model has the following advantages

[0017] Figure 2 The asbestos gasket structure with tensile resistance provided by the utility model has the following advantages Figure 1 The structure diagram of the first asbestos layer and the second asbestos layer in the asbestos gasket structure with tensile resistance provided by the utility model is shown in the figure.

[0018] Figure 3 The structure diagram of the first asbestos layer and the second asbestos layer in the asbestos gasket structure with tensile resistance provided by the utility model is shown in the figure. Figure 1 The structure diagram of the first asbestos layer and the second asbestos layer in the asbestos gasket structure with tensile resistance provided by the utility model is shown in the figure.

[0019] Figure 4 The structure diagram of the first asbestos layer and the second asbestos layer in the asbestos gasket structure with tensile resistance provided by the utility model is shown in the figure. Figure 1 The structure diagram of the first asbestos layer and the second asbestos layer in the asbestos gasket structure with tensile resistance provided by the utility model is shown in the figure.

[0020] In the figure, 1 is an asbestos gasket body, 2 is an inner reinforcing ring, 3 is an outer reinforcing ring, 4 is a first asbestos layer, 5 is a second asbestos layer, 6 is a copper wire, 7 is a metal mesh, 8 is a rubber coating, 9 is an asphalt coating, 10 is a second protruding block, and 11 is a first protruding block. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings and embodiments.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , among which, Figure 1 The structure diagram of a preferred embodiment of the asbestos gasket structure with tensile resistance provided by the utility model is shown in the figure.Figure 2 As Figure 1 The structure diagram of the first asbestos layer and the second asbestos layer is shown in FIG. 1. Figure 3 As Figure 1 The structure diagram of the asbestos gasket body and the rubber coating is shown in FIG. 2. Figure 4 As Figure 1 The structure diagram of the outer reinforcing ring and the second protrusion is shown in FIG. 3. The tensile-resistant asbestos gasket structure comprises an asbestos gasket body 1, which is composed of a first asbestos layer 4, a metal mesh 7, and a second asbestos layer 5.

[0023] The first asbestos layer 4, the metal mesh 7, and the second asbestos layer 5 are arranged from top to bottom, and the interiors of the first asbestos layer 4 and the second asbestos layer 5 are each provided with a plurality of copper wires 6.

[0024] The metal mesh 7 can disperse tensile stress, prevent the asbestos gasket body 1 from excessive deformation or rupture when subjected to external force, and cooperate with the copper wires 6 to better improve the tensile resistance of the asbestos gasket.

[0025] The copper wires 6 are annular, and a plurality of the copper wires 6 are arranged from inside to outside in gradually increasing sizes. The plurality of copper wires 6 are uniformly arranged to better disperse tensile stress.

[0026] The inner wall surface of the asbestos gasket body 1 is inlaid with an inner reinforcing ring 2, and the side wall of the asbestos gasket body 1 is sleeved with an outer reinforcing ring 3.

[0027] The inner reinforcing ring 2 and the outer reinforcing ring 3 reinforce the edges of the asbestos gasket to improve the edge strength of the asbestos gasket body 1, prolong the service life of the asbestos gasket body 1, and improve the stability of the asbestos gasket body 1 during use.

[0028] The side wall of the inner reinforcing ring 2 is fixedly connected with a plurality of first protrusions 11 inlaid in the interior of the asbestos gasket body 1, and the inner wall surface of the outer reinforcing ring 3 is fixedly connected with a plurality of second protrusions 10 inlaid in the interior of the asbestos gasket body 1.

[0029] The first protrusions 11 and the second protrusions 10 strengthen the tightness of the connection between the inner reinforcing ring 2 and the outer reinforcing ring 3 and the asbestos gasket body 1.

[0030] The surface of the asbestos gasket body 1 is coated with a rubber coating 8, which can enhance the sealing performance of the asbestos gasket body 1 and provide certain oil resistance, water resistance, and solvent resistance, etc.

[0031] The surface of the rubber coating 8 is coated with an asphalt coating 9, which provides waterproof, moisture-proof, and corrosion-proof functions, can prevent water and other corrosive media from penetrating into the interior of the asbestos gasket body 1, thereby prolonging its service life.

[0032] The working principle of the tensile-resistant asbestos sealing gasket structure is as follows:

[0033] The metal net 7 can disperse tensile stress, prevent the asbestos sealing gasket body 1 from over-deformation or rupture when subjected to external force, and cooperate with the copper wire 6 to better improve the tensile resistance of the asbestos sealing gasket, and cooperate with the inner reinforcing ring 2 and the outer reinforcing ring 3 to strengthen the edge of the asbestos sealing gasket, so as to improve the edge strength of the asbestos sealing gasket body 1.

[0034] Compared with the related art, the tensile-resistant asbestos sealing gasket structure has the following advantages

[0035] Advantages:

[0036] The utility model provides a kind of tensile-resistant asbestos sealing gasket structure, by the metal net 7 of being provided, metal net 7 can disperse tensile stress, prevent the asbestos sealing gasket body 1 from over-deformation or rupture when subjected to external force, and cooperate with the copper wire 6 to better improve the tensile resistance of the asbestos sealing gasket, and cooperate with the inner reinforcing ring 2 and the outer reinforcing ring 3 to strengthen the edge of the asbestos sealing gasket, so as to improve the edge strength of the asbestos sealing gasket body 1, prolong the service life of asbestos sealing gasket body 1, improve the stability of asbestos sealing gasket body 1 in use process.

[0037] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A tensile-resistant asbestos gasket structure comprising an asbestos gasket body (1), characterized in that, The asbestos sealing gasket body (1) is composed of a first asbestos layer (4), a metal mesh (7) and a second asbestos layer (5), which are arranged from top to bottom. The first asbestos layer (4) and the second asbestos layer (5) are both internally provided with a plurality of copper wires (6).

2. The stretch resistant asbestos gasket structure of claim 1 wherein, The copper wire (6) is annular, and a plurality of the copper wires (6) are arranged from inside to outside in a gradually increasing manner.

3. The stretch resistant asbestos gasket structure of claim 1 wherein, The inner wall surface of the asbestos sealing gasket body (1) is inlaid with an inner reinforcing ring (2), and the side wall of the asbestos sealing gasket body (1) is sleeved with an outer reinforcing ring (3).

4. The stretch resistant asbestos gasket structure of claim 3 wherein, The side wall of the inner reinforcing ring (2) is fixedly connected with a plurality of first protrusions (11) inlaid in the interior of the asbestos sealing gasket body (1), and the inner wall surface of the outer reinforcing ring (3) is fixedly connected with a plurality of second protrusions (10) inlaid in the interior of the asbestos sealing gasket body (1).

5. The stretch resistant asbestos gasket structure of claim 1 wherein, The surface of the asbestos sealing gasket body (1) is coated with a rubber coating (8).

6. The stretch resistant asbestos gasket structure of claim 5 wherein, The surface of the rubber coating (8) is coated with an asphalt coating (9).

Images