CN213451655U

CN213451655U - Sealing element with long service life

Info

Publication number: CN213451655U
Application number: CN202022307297.XU
Authority: CN
Inventors: 王俊达
Original assignee: Shenyang Tianhang Precision Machinery Co ltd
Current assignee: Shenyang Tianhang Precision Machinery Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-15
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a long service life's sealing member, including the sealing member body, the sealing member body includes the stratum basale, and the inboard of stratum basale is provided with the second functional layer, and simultaneously, the second functional layer includes nanometer silver coating, polyurethane rubber layer and epoxy coal pitch coating. The utility model discloses set up including the zinc oxide coating, aluminium hydroxide coating and perfluororubber layer's first functional layer, wherein the zinc oxide coating can improve the holistic anti ultraviolet nature of this sealing member, the aluminium hydroxide coating can improve the holistic fire behavior of this sealing member, the perfluororubber layer can improve the holistic wearability of this sealing member, set up including nanometer silver coating, the second functional layer of polyurethane rubber layer and epoxy coal pitch coating, wherein nanometer silver coating can improve the holistic bacterinertness of this sealing member, polyurethane rubber layer can improve the holistic waterproof nature of this sealing member, epoxy coal pitch coating can improve the holistic corrosion protection nature of this sealing member.

Description

Sealing element with long service life

Technical Field

The utility model relates to a sealing member technical field specifically is a long service life's sealing member.

Background

The sealing element is a material or a part of a part for preventing fluid or solid particles from leaking from adjacent joint surfaces and preventing external impurities such as dust, moisture and the like from invading into the interior of machine equipment, is a basic part and a fitting in the main national economy industries such as national defense, chemical engineering, petroleum, coal, transportation, mechanical manufacturing and the like, plays a very important role in the national economy development, but the existing sealing element has poor performances such as corrosion resistance, fire resistance and the like, so the service life of the sealing element is shortened, and therefore, the sealing element with long service life is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long service life's sealing member to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a long service life's sealing member, includes the sealing member body, the sealing member body includes the stratum basale, and the inboard of stratum basale is provided with the second functional layer, and simultaneously, the second functional layer includes nanometer silver coating, polyurethane rubber layer and epoxy coal pitch coating, the outside of stratum basale is provided with first functional layer, and first functional layer includes zinc oxide coating, aluminium hydroxide coating and perfluoronated rubber layer.

Preferably, the middle end of the outer surface of the sealing element body is provided with a groove, the depth of the groove is 2-5mm, and meanwhile, the substrate layer is a nitrile rubber ring.

Preferably, the epoxy coal tar pitch coating is coated on the inner side of the polyurethane rubber layer, the outer side of the polyurethane rubber layer is connected with the inner side of the nano silver coating through PS glue, and the outer side of the nano silver coating is connected with the inner side of the base layer through the PS glue.

Preferably, the thickness of the nano silver coating is the same as that of the epoxy coal tar pitch coating, and the thickness of the epoxy coal tar pitch coating is 0.2-0.4 times that of the polyurethane rubber layer.

Preferably, the zinc oxide coating is coated on the outer side of the aluminum hydroxide coating, the aluminum hydroxide coating is coated on the outer side of the perfluorinated rubber layer, and the inner side of the perfluorinated rubber layer is connected with the outer side of the base layer through PS glue.

Preferably, the thickness of the zinc oxide coating and the aluminum hydroxide coating is the same, and the thickness of the zinc oxide coating is 0.15-0.35 times of the thickness of the perfluororubber layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses set up including the zinc oxide coating, aluminium hydroxide coating and perfluororubber layer's first functional layer, wherein the zinc oxide coating can improve the holistic anti ultraviolet nature of this sealing member, the aluminium hydroxide coating can improve the holistic fire behavior of this sealing member, the perfluororubber layer can improve the holistic wearability of this sealing member, set up including nanometer silver coating, the second functional layer of polyurethane rubber layer and epoxy coal pitch coating, wherein nanometer silver coating can improve the holistic bacterinertness of this sealing member, polyurethane rubber layer can improve the holistic waterproof nature of this sealing member, epoxy coal pitch coating can improve the holistic corrosion protection nature of this sealing member, thereby effectively improved the holistic life of this sealing member.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:

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

FIG. 2 is a schematic structural view of the sealing member of the present invention;

fig. 3 is a schematic structural diagram of a first functional layer of the present invention;

fig. 4 is a schematic structural diagram of a second functional layer of the present invention.

In the figure: 1, a sealing element body, 11 base layers, 12 a first functional layer, 121 a zinc oxide coating, 122 an aluminum hydroxide coating, 123 a perfluoro rubber layer, 13 a second functional layer, 131 a nano silver coating, 132 a polyurethane rubber layer, 133 an epoxy coal tar coating and 2 grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The sealing element body 1, the substrate layer 11, the first functional layer 12, the zinc oxide coating 121, the aluminum hydroxide coating 122, the perfluoro rubber layer 123, the second functional layer 13, the nano silver coating 131, the polyurethane rubber layer 132, the epoxy coal tar pitch coating 133 and the groove 2 are all common standard parts or parts known by those skilled in the art, and the structure and principle of the sealing element are known by those skilled in the art through technical manuals or conventional experimental methods.

Referring to fig. 1-4, a sealing member with a long service life includes a sealing member body 1, a groove 2 is formed at a middle end of an outer surface of the sealing member body 1, a depth of the groove 2 is 2-5mm, meanwhile, a substrate layer 11 is a nitrile rubber ring, the sealing member body 1 includes a substrate layer 11, a second functional layer 13 is disposed on an inner side of the substrate layer 11, the second functional layer 13 includes a nano silver coating 131, a polyurethane rubber layer 132 and an epoxy coal tar pitch coating 133, the nano silver coating 131 can improve an overall antibacterial property of the sealing member, the polyurethane rubber layer 132 can improve an overall waterproof property of the sealing member, the epoxy coal tar pitch coating 133 can improve an overall corrosion resistance of the sealing member, the epoxy coal tar pitch coating 133 is coated on an inner side of the polyurethane rubber layer 132, an outer side of the polyurethane rubber layer 132 is connected with an inner side of the nano silver coating 131 through PS, the outer side of the nano silver coating 131 is connected with the inner side of the base layer 11 through PS glue, the thicknesses of the nano silver coating 131 and the epoxy coal tar pitch coating 133 are the same, the thickness of the epoxy coal tar pitch coating 133 is 0.2-0.4 times of the thickness of the polyurethane rubber layer 132, the outer side of the base layer 11 is provided with the first functional layer 12, the first functional layer 12 comprises a zinc oxide coating 121, an aluminum hydroxide coating 122 and a perfluoro rubber layer 123, the zinc oxide coating 121 can improve the ultraviolet resistance of the whole sealing element, the aluminum hydroxide coating 122 can improve the fire resistance of the whole sealing element, the perfluoro rubber layer 123 can improve the wear resistance of the whole sealing element, the zinc oxide coating 121 is coated on the outer side of the aluminum hydroxide coating 122, the aluminum hydroxide coating 122 is coated on the outer side of the perfluoro rubber layer 123, the inner side of the perfluoro rubber layer 123 is connected with the outer side of the base layer 11 through PS glue, the thicknesses of the zinc oxide coating 121 and, and the thickness of the zinc oxide coating layer 121 is 0.15 to 0.35 times the thickness of the perfluororubber layer 123.

During the use, set up the first functional layer 12 including zinc oxide coating 121, aluminium hydroxide coating 122 and perfluoronated rubber layer 123, zinc oxide coating 121 wherein can improve the holistic anti ultraviolet nature of this sealing member, aluminium hydroxide coating 122 can improve the holistic fire behavior of this sealing member, perfluoronated rubber layer 123 can improve the holistic wearability of this sealing member, set up second functional layer 13 including nanometer silver coating 131, polyurethane rubber layer 132 and epoxy coal pitch coating 133, nanometer silver coating 131 wherein can improve the holistic bacterinertness of this sealing member, polyurethane rubber layer 132 can improve the holistic waterproofness of this sealing member, epoxy coal pitch coating 133 can improve the holistic corrosion protection nature of this sealing member, thereby effectively improved the holistic life of this sealing member.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A long-life seal comprising a seal body (1), characterized in that: the sealing element body (1) comprises a base layer (11), a second functional layer (13) is arranged on the inner side of the base layer (11), meanwhile, the second functional layer (13) comprises a nano silver coating (131), a polyurethane rubber layer (132) and an epoxy coal tar pitch coating (133), a first functional layer (12) is arranged on the outer side of the base layer (11), and the first functional layer (12) comprises a zinc oxide coating (121), an aluminum hydroxide coating (122) and a perfluoro rubber layer (123).

2. A long life seal according to claim 1, wherein: the middle end of the outer surface of the sealing element body (1) is provided with a groove (2), the depth of the groove (2) is 2-5mm, and meanwhile, the basal layer (11) is a nitrile rubber ring.

3. A long life seal according to claim 1, wherein: the epoxy coal tar pitch coating (133) is coated on the inner side of the polyurethane rubber layer (132), the outer side of the polyurethane rubber layer (132) is connected with the inner side of the nano silver coating (131) through PS glue, and the outer side of the nano silver coating (131) is connected with the inner side of the base layer (11) through the PS glue.

4. A long life seal according to claim 1, wherein: the thickness of the nano silver coating (131) is the same as that of the epoxy coal tar pitch coating (133), and the thickness of the epoxy coal tar pitch coating (133) is 0.2-0.4 times that of the polyurethane rubber layer (132).

5. A long life seal according to claim 1, wherein: the zinc oxide coating (121) is coated on the outer side of the aluminum hydroxide coating (122), the aluminum hydroxide coating (122) is coated on the outer side of the perfluorinated rubber layer (123), and the inner side of the perfluorinated rubber layer (123) is connected with the outer side of the base layer (11) through PS glue.

6. A long life seal according to claim 1, wherein: the thickness of the zinc oxide coating (121) is the same as that of the aluminum hydroxide coating (122), and the thickness of the zinc oxide coating (121) is 0.15-0.35 times of that of the perfluororubber layer (123).