CN216200488U

CN216200488U - Explosion-proof high-pressure-resistant rubber O-shaped sealing ring

Info

Publication number: CN216200488U
Application number: CN202122760472.5U
Authority: CN
Inventors: 董景峰; 邓立群
Original assignee: Suzhou Junmao Industrial Co ltd
Current assignee: Suzhou Junmao Industrial Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-05
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses an explosion-proof high-pressure-resistant rubber O-shaped sealing ring which comprises an O-shaped sealing ring body, wherein a high-temperature-resistant coating is coated on the periphery of the O-shaped sealing ring body, an inner cavity of the high-temperature-resistant coating comprises a phosphate lead powder coating, a polytetrafluoroethylene coating and an inorganic zinc-rich coating, and a wear-resistant layer is coated on the periphery of the high-temperature-resistant coating. According to the utility model, through the arrangement of the high-temperature-resistant coating, the phosphate lead powder coating, the polytetrafluoroethylene coating and the inorganic zinc-rich coating, an explosion-proof effect can be achieved, the phenomenon that internal parts are damaged due to overhigh temperature is avoided, the service life of the O-shaped sealing ring is greatly reduced, the wear-resistant effect can be achieved through the arrangement of the wear-resistant layer, the polyurethane coating, the nano wear-resistant coating and the silicon carbide coating, the phenomenon that the O-shaped sealing ring is worn and broken due to long service life is avoided, and the problem of poor explosion-proof effect of the existing O-shaped sealing ring is solved.

Description

Explosion-proof high-pressure-resistant rubber O-shaped sealing ring

Technical Field

The utility model relates to the technical field of O-shaped sealing rings, in particular to an explosion-proof high-pressure-resistant rubber O-shaped sealing ring.

Background

The O-shaped sealing ring is mainly used for static sealing and reciprocating sealing, and is only limited to a low-speed rotary sealing device when rotating for sealing, the selection of the material of the sealing ring has important significance on the sealing performance and the service life of the sealing ring, the performance of the material directly influences the use performance of the sealing ring, the existing O-shaped sealing ring is poor in explosion-proof effect, the O-shaped sealing ring is damaged due to overhigh temperature in the use process, the use efficiency of the O-shaped sealing ring is reduced, and the service life of the O-shaped sealing ring is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof high-pressure-resistant rubber O-shaped sealing ring which has the advantage of good explosion-proof effect and solves the problem of poor explosion-proof effect of the existing O-shaped sealing ring.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an explosion-proof type high pressure resistant rubber O type sealing washer, includes O type sealing washer body, the coating has high temperature resistant coating all around of O type sealing washer body, high temperature resistant coating's inner chamber is including phosphate lead powder coating, polytetrafluoroethylene coating and inorganic zinc-rich coating, the coating has the wearing layer all around of high temperature resistant coating, the inner chamber of wearing layer is including polyurethane coating, nanometer wear-resistant coating and carborundum coating.

Preferably, the thickness of the inorganic zinc-rich coating is greater than that of a polytetrafluoroethylene coating, and the thickness of the polytetrafluoroethylene coating is greater than that of a lead phosphate powder coating.

Preferably, the thickness of the silicon carbide coating is greater than that of the nano wear-resistant coating, and the thickness of the nano wear-resistant coating is greater than that of the polyurethane coating.

Preferably, the outer surface of the lead phosphate powder coating is positioned on the inner surface of the polytetrafluoroethylene coating, and the outer surface of the polytetrafluoroethylene coating is positioned on the inner surface of the inorganic zinc-rich coating.

Preferably, the outer surface of the polyurethane coating is positioned on the inner surface of the nano wear-resistant coating, and the outer surface of the nano wear-resistant coating is positioned on the inner surface of the silicon carbide coating.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the arrangement of the high-temperature-resistant coating, the phosphate lead powder coating, the polytetrafluoroethylene coating and the inorganic zinc-rich coating, an explosion-proof effect can be achieved, the phenomenon that internal parts are damaged due to overhigh temperature is avoided, the service life of the O-shaped sealing ring is greatly reduced, the wear-resistant effect can be achieved through the arrangement of the wear-resistant layer, the polyurethane coating, the nano wear-resistant coating and the silicon carbide coating, the phenomenon that the O-shaped sealing ring is worn and broken due to long service life is avoided, and the problem of poor explosion-proof effect of the existing O-shaped sealing ring is solved.

Drawings

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

FIG. 2 is a cross-sectional view of the internal structure of the refractory coating of the present invention;

fig. 3 is a cross-sectional view showing the internal structure of the wear-resistant layer according to the present invention.

In the figure: 1. an O-shaped seal ring body; 2. a high temperature resistant coating; 201. a phosphate lead powder coating; 202. a polytetrafluoroethylene coating; 203. an inorganic zinc-rich coating; 3. a wear layer; 301. a polyurethane coating; 302. a nano wear-resistant coating; 303. and (3) coating silicon carbide.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, an explosion-proof high pressure resistant rubber O-ring comprises an O-ring body 1, a high temperature resistant coating 2 is coated around the O-ring body 1, an inner cavity of the high temperature resistant coating 2 includes a lead phosphate powder coating 201, a polytetrafluoroethylene coating 202, and an inorganic zinc-rich coating 203, the thickness of the inorganic zinc-rich coating 203 is greater than that of the polytetrafluoroethylene coating 202, the thickness of the polytetrafluoroethylene coating 202 is greater than that of the lead phosphate powder coating 201, the outer surface of the lead phosphate powder coating 201 is located on the inner surface of the polytetrafluoroethylene coating 202, the outer surface of the polytetrafluoroethylene coating 202 is located on the inner surface of the inorganic zinc-rich coating 203, a wear-resistant layer 3 is coated around the high temperature resistant coating 2, the inner cavity of the wear-resistant layer 3 includes a polyurethane coating 301, a nano wear-resistant coating 302, and a silicon carbide coating 303, and the thickness of the silicon carbide coating 303 is greater than that of the nano wear-resistant coating 302, the thickness of nanometer wear-resistant coating 302 is greater than the thickness of polyurethane coating 301, the surface of polyurethane coating 301 is located the internal surface of nanometer wear-resistant coating 302, the surface of nanometer wear-resistant coating 302 is located the internal surface of carborundum coating 303, through resistant high temperature coating 2, phosphate lead powder coating 201, polytetrafluoroethylene coating 202 and inorganic zinc-rich coating 203's setting, can play blast proof effect, avoided because of the high temperature, the phenomenon that leads to internals to appear damaging, greatly reduced the life of O type sealing washer, through wearing layer 3, polyurethane coating 301, the setting of nanometer wear-resistant coating 302 and carborundum coating 303, can play wear-resisting effect, the cracked phenomenon of wearing and tearing has appeared in the O type sealing washer has been avoided the live time long, the not good problem of current O type sealing washer blast proof effect has been solved simultaneously.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods such as thermal welding, ultrasonic welding, flux, welding, and fusion crimping, and no specific description is made here.

During the use, through high temperature resistant coating 2, phosphate lead powder coating 201, polytetrafluoroethylene coating 202 and inorganic rich zinc coating 203's setting, can play blast proof effect, avoided because of the high temperature, the phenomenon that leads to the internals to appear damaging, greatly reduced the life of O type sealing washer, through wearing layer 3, polyurethane coating 301, the setting of nanometer wear-resistant coating 302 and carborundum coating 303, can play wear-resisting effect, the cracked phenomenon of wearing and tearing appears in the O type sealing washer has been avoided the live time long, the problem that current O type sealing washer blast proof effect is not good has been solved simultaneously.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high pressure resistant rubber O type sealing washer of explosion-proof type, includes O type sealing washer body (1), its characterized in that: the O-shaped seal ring is characterized in that a high-temperature-resistant coating (2) is coated on the periphery of the O-shaped seal ring body (1), an inner cavity of the high-temperature-resistant coating (2) comprises a phosphate lead powder coating (201), a polytetrafluoroethylene coating (202) and an inorganic zinc-rich coating (203), a wear-resistant layer (3) is coated on the periphery of the high-temperature-resistant coating (2), and an inner cavity of the wear-resistant layer (3) comprises a polyurethane coating (301), a nanometer wear-resistant coating (302) and a silicon carbide coating (303).

2. The explosion-proof high-pressure-resistant rubber O-shaped sealing ring according to claim 1, characterized in that: the thickness of the inorganic zinc-rich coating (203) is larger than that of the polytetrafluoroethylene coating (202), and the thickness of the polytetrafluoroethylene coating (202) is larger than that of the lead phosphate powder coating (201).

3. The explosion-proof high-pressure-resistant rubber O-shaped sealing ring according to claim 1, characterized in that: the thickness of the silicon carbide coating (303) is larger than that of the nano wear-resistant coating (302), and the thickness of the nano wear-resistant coating (302) is larger than that of the polyurethane coating (301).

4. The explosion-proof high-pressure-resistant rubber O-shaped sealing ring according to claim 1, characterized in that: the outer surface of the lead phosphate powder coating (201) is positioned on the inner surface of the polytetrafluoroethylene coating (202), and the outer surface of the polytetrafluoroethylene coating (202) is positioned on the inner surface of the inorganic zinc-rich coating (203).

5. The explosion-proof high-pressure-resistant rubber O-shaped sealing ring according to claim 1, characterized in that: the outer surface of the polyurethane coating (301) is positioned on the inner surface of the nano wear-resistant coating (302), and the outer surface of the nano wear-resistant coating (302) is positioned on the inner surface of the silicon carbide coating (303).