CN211738018U

CN211738018U - Double-sealing gasket

Info

Publication number: CN211738018U
Application number: CN201922321040.7U
Authority: CN
Inventors: 罗正辉
Original assignee: WUJIANG CHENGDA ELECTRONIC TECHNOLOGY CO LTD
Current assignee: WUJIANG CHENGDA ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-23
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a double containment gasket, including gasket main part, wear pad, wear-resisting arch, upper gasket, first spacing ring, first spacing groove, second spacing ring, beaded finish, first seal groove, lower floor's gasket, first sealing washer, second seal groove, metal gasket, antirust coat, buffer layer and compressive layer. The utility model discloses rational in infrastructure, through with first sealing washer and second sealing washer block respectively in the first seal groove and the second seal groove at beaded finish both ends, then with upper gasket and lower floor's gasket respectively through the first spacing ring and the mutual block of second spacing ring of first spacing groove and second spacing groove and first sealing washer one end to with the rigidity of upper gasket and lower floor's gasket, thereby make the gasket be resistant to high pressure more, double seal circle is as the safeguard, sealing performance is better.

Description

Double-sealing gasket

Technical Field

The utility model relates to a double containment gasket specifically is a double containment gasket, belongs to gasket application technical field.

Background

The gasket is made of paper, rubber sheets or copper sheets, is placed between two planes to strengthen the sealing material, and in order to prevent fluid from leaking the sealing element arranged between the static sealing surfaces, the sealing gasket occupies an important position in the process equipment of industrial departments in various fields, and particularly in the connecting pipelines of the petroleum and chemical industries, the sealing gasket with insulating property is often needed.

The resin material intensity that insulating seal gasket used commonly at present adopted is not high, and all only sealing washer usually, and the gasket is fragile in the high-pressure piping system that requires very high to the leakproofness, and sealed effect is not good, and current seal gasket abrasion resistance is lower, and the easy friction loss of in-process of using influences its life. Therefore, a double sealing gasket is proposed to solve the above problems.

Disclosure of Invention

The present invention is directed to a dual-seal gasket for solving the above problems.

The utility model realizes the purpose through the following technical proposal, a double-sealing gasket comprises a gasket main body, a double-sealing structure and a buffering and rust-proof structure;

the dual-seal structure comprises wear-resistant pads arranged at two ends of a gasket main body, one end of each wear-resistant pad is fixedly connected with a wear-resistant bulge, one end of each gasket main body is fixedly connected with a reinforcing ring, and a first seal groove and a second seal groove are formed in the side walls of two ends of each reinforcing ring;

the buffering and rust-proof structure comprises a metal gasket arranged in a gasket main body, wherein two ends of the metal gasket are both adhered and connected with a rust-proof layer, one end of the rust-proof layer is adhered and connected with a buffer layer, and one end of the buffer layer is adhered and connected with a compression-resistant layer.

Preferably, the inside block of first seal groove connects first sealing washer, the first spacing ring of top fixed connection of first sealing washer, first spacing ring block connects first spacing groove, the one end lateral wall of upper gasket and lower floor's gasket is seted up to first spacing groove.

Preferably, the inside block of second seal groove connects the second sealing washer, the top fixed connection second spacing ring of second sealing washer, the second spacing ring block is connected at the second spacing groove, the second spacing groove is seted up at the one end lateral wall of upper gasket and lower floor's gasket.

Preferably, the wear pad and the reinforcing ring are both made of polyurethane.

Preferably, the wear-resisting protrusion is a circular protrusion, and the wear-resisting protrusion is distributed at one end of the wear-resisting pad in a wavy manner.

Preferably, the first sealing ring and the second sealing ring are both made of polytetrafluoroethylene materials.

The utility model has the advantages that:

through with first sealing washer and second sealing washer block respectively in first seal groove and the second seal groove at beaded finish both ends, then with upper gasket and lower floor's gasket respectively through first spacing groove and the mutual block of second spacing ring of second spacing groove and first sealing washer one end to with the rigidity of upper gasket and lower floor's gasket, thereby make the gasket withstand high pressure more, double seal circle is as the safeguard measure, sealing performance is better.

Through the abrasion pad of gasket main part both sides, improve the abrasive resistance of gasket main part, through the wear-resisting arch of abrasion pad one end, improve the abrasive resistance of gasket, improve the holistic intensity of gasket through metal gasket, through the antirust coat, make the gasket have very good corrosion resistance, through the buffer layer, make the gasket can cushion the extrusion force that comes from outside, make the difficult rupture of gasket, through the compressive layer, make whole gasket have stronger toughness, difficult rupture.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the metal gasket, the antirust layer, the buffer layer and the compression-resistant layer of the present invention;

fig. 3 is a schematic view of the positions of the wear pad, the wear-resistant protrusion and the upper pad of the present invention.

In the figure: 1. gasket main part, 2, wear pad, 3, wear-resisting arch, 4, upper gasket, 5, first spacing ring, 6, first spacing groove, 7, second spacing groove, 8, second spacing ring, 9, beaded finish, 10, first seal groove, 11, lower floor's gasket, 12, first sealing washer, 13, second sealing washer, 14, second seal groove, 15, metal gasket, 16, antirust coat, 17, buffer layer, 18, compressive layer.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a dual-seal gasket includes a gasket body 1, a dual-seal structure and a buffering and rust-proof structure;

the dual-seal structure comprises wear-resistant pads 2 arranged at two ends of a gasket main body 1, one ends of the wear-resistant pads 2 are fixedly connected with wear-resistant protrusions 3, one ends of the gasket main body 1 are fixedly connected with a reinforcing ring 9, and a first sealing groove 10 and a second sealing groove 14 are formed in the side walls of two ends of the reinforcing ring 9, so that the sealing effect is improved;

the buffering and rust-proof structure comprises a metal gasket 15 arranged inside a gasket main body 1, wherein two ends of the metal gasket 15 are both adhered and connected with a rust-proof layer 16, one end of the rust-proof layer 16 is adhered and connected with a buffer layer 17, one end of the buffer layer 17 is adhered and connected with a pressure-resistant layer 18, and the overall strength and the wear resistance of the gasket are improved.

The inner part of the first sealing groove 10 is clamped and connected with a first sealing ring 12, the top end of the first sealing ring 12 is fixedly connected with a first limiting ring 5, the first limiting ring 5 is clamped and connected with a first limiting groove 6, the first limiting groove 6 is arranged on one end side wall of an upper gasket 4 and a lower gasket 11, the structure is more reasonable and convenient to connect and seal, the inner part of the second sealing groove 14 is clamped and connected with a second sealing ring 13, the top end of the second sealing ring 13 is fixedly connected with a second limiting ring 8, the second limiting ring 8 is clamped and connected with a second limiting groove 7, the second limiting groove 7 is arranged on one end side wall of the upper gasket 4 and the lower gasket 11, the structure is more reasonable and convenient to connect and seal, the wear-resistant pad 2 and the reinforcing ring 9 are both made of polyurethane materials, the structure is more reasonable and convenient to connect, the wear-resistant bulge 3 is a circular bulge, the wear-resistant protrusions 3 are distributed at one end of the wear-resistant pad 2 in a wavy mode, the structure is more reasonable, connection and sealing are convenient, the first sealing ring 12 and the second sealing ring 13 are made of polytetrafluoroethylene materials, and the structure is more reasonable.

When the utility model is used, the first sealing ring 12 and the second sealing ring 13 are respectively clamped in the first sealing groove 10 and the second sealing groove 14 at the two ends of the reinforcing ring 9, then the upper gasket 4 and the lower gasket 11 are respectively clamped with the first limiting ring 5 and the second limiting ring 8 at one end of the first sealing ring 12 through the first limiting groove 6 and the second limiting groove 7, so that the positions of the upper gasket 4 and the lower gasket 11 are fixed, so that the gasket is more resistant to high pressure, the double sealing ring is taken as a safety measure, the sealing performance is better, the wear-resisting strength of the gasket main body 1 is improved through the wear-resisting pads 2 at the two sides of the gasket main body 1, the wear-resisting strength of the gasket is improved through the wear-resisting bulges 3 at one end of the wear-resisting pads 2, the integral strength of the gasket is improved through the metal gasket 15, the antirust layer 16 is used, so that the gasket has very good corrosion resistance, the buffer, the gasket can buffer the extrusion force from the outside, so that the gasket is not easy to break, and the whole gasket has stronger toughness and is not easy to break through the anti-pressure layer 18.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A dual seal gasket characterized by: comprises a gasket main body (1), a double-sealing structure and a buffering and rust-proof structure;

the dual-seal structure comprises wear-resistant pads (2) arranged at two ends of a gasket main body (1), one ends of the wear-resistant pads (2) are fixedly connected with wear-resistant protrusions (3), one ends of the gasket main body (1) are fixedly connected with reinforcing rings (9), and a first seal groove (10) and a second seal groove (14) are formed in the side walls of two ends of each reinforcing ring (9);

the buffering and rust-proof structure comprises a metal gasket (15) arranged inside a gasket main body (1), wherein two ends of the metal gasket (15) are both adhered and connected with a rust-proof layer (16), one end of the rust-proof layer (16) is adhered and connected with a buffer layer (17), and one end of the buffer layer (17) is adhered and connected with a pressure-resistant layer (18).

2. The dual seal gasket as claimed in claim 1 wherein: the inner clamping of the first sealing groove (10) is connected with a first sealing ring (12), the top end of the first sealing ring (12) is fixedly connected with a first limiting ring (5), the first limiting ring (5) is clamped and connected with a first limiting groove (6), and one end side wall of the upper-layer gasket (4) and the lower-layer gasket (11) is formed in the first limiting groove (6).

3. The dual seal gasket as claimed in claim 1 wherein: the inside block of second seal groove (14) is connected second sealing washer (13), the top fixed connection second spacing ring (8) of second sealing washer (13), second spacing ring (8) block is connected at second spacing groove (7), the one end lateral wall of upper gasket (4) and lower floor's gasket (11) is seted up in second spacing groove (7).

4. The dual seal gasket as claimed in claim 1 wherein: the wear-resistant pad (2) and the reinforcing ring (9) are both members made of polyurethane.

5. The dual seal gasket as claimed in claim 1 wherein: wear-resisting protruding (3) are circular arch, just wear-resisting protruding (3) are the raised grain and distribute in the one end of wearing pad (2).

6. The dual seal gasket as claimed in claim 1 wherein: the first sealing ring (12) and the second sealing ring (13) are both made of polytetrafluoroethylene materials.