CN213332608U

CN213332608U - High-strength check valve

Info

Publication number: CN213332608U
Application number: CN202021799692.8U
Authority: CN
Inventors: 马晓彬; 宋彦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-06-01
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a check valve of high strength, including the check valve body, the inner chamber of check valve body is provided with the inoxidizing coating, the inoxidizing coating includes elastic layer, enhancement layer, high temperature resistant layer, waterproof layer and corrosion resistant layer, the bottom of elastic layer is provided with the enhancement layer, the bottom of enhancement layer is provided with high temperature resistant layer. The utility model discloses a cooperation of elastic layer and enhancement layer, elastic rubber is convenient seals the check valve body, avoid the water leakage of check valve body inner chamber, titanium alloy not only unit intensity is high, the rigidity is good, matter is light, can work in moist atmosphere and sea water medium, cooperation through waterproof layer and corrosion resistant layer, avoid the acid material of aquatic to corrode the waterproof layer, polytetrafluoroethylene can prevent that water from permeating titanium alloy surface in highly compressed state, improve titanium alloy's life, thereby reach long service life's effect, the short problem of current device life has been solved.

Description

High-strength check valve

Technical Field

The utility model relates to a check valve technical field specifically is a check valve of high strength.

Background

The check valve is a valve which is used for preventing medium from flowing backwards, mainly has the functions of preventing the medium from flowing backwards, preventing the reverse rotation of a pump and a driving motor and the discharge of container medium, and particularly has strict requirements on the structure, the internal performance and the mechanical performance of the check valve, has low strength, is easy to damage when the pressure of a pipeline is overlarge, and has short service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check valve of high strength possesses long service life's advantage, has solved the problem that current device life is short.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a check valve of high strength, includes the check valve body, the inner chamber of check valve body is provided with the inoxidizing coating, the inoxidizing coating includes elastic layer, enhancement layer, high temperature resistant layer, waterproof layer and corrosion resistant layer, the bottom of elastic layer is provided with the enhancement layer, the bottom of enhancement layer is provided with high temperature resistant layer, the bottom on high temperature resistant layer is provided with the waterproof layer, the bottom of waterproof layer is provided with corrosion resistant layer.

Preferably, the elastic layer is made of elastic rubber, and the reinforcing layer is made of titanium alloy.

Preferably, the high temperature resistant layer comprises an organic silicon layer, an inorganic coating layer and a heat insulation layer, the inorganic coating layer is arranged at the bottom of the organic silicon layer, the heat insulation layer is arranged at the bottom of the inorganic coating layer, and the heat insulation layer is made of glass fibers.

Preferably, the corrosion-resistant layer is made of polytetrafluoroethylene, and the waterproof layer is made of ethylene propylene diene monomer.

Preferably, the bottom of the protective layer is provided with a wear-resistant layer, and the wear-resistant layer is made of ceramic fiber polymers.

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

1. the utility model discloses a cooperation of elastic layer and enhancement layer, elastic rubber is convenient seals the check valve body, avoid the water leakage of check valve body inner chamber, titanium alloy not only unit intensity is high, the rigidity is good, matter is light, can work in moist atmosphere and sea water medium, cooperation through waterproof layer and corrosion resistant layer, avoid the acid material of aquatic to corrode the waterproof layer, polytetrafluoroethylene can prevent that water from permeating titanium alloy surface in highly compressed state, improve titanium alloy's life, thereby reach long service life's effect, the short problem of current device life has been solved.

2. The utility model discloses a cooperation of organosilicon layer and inorganic dope layer not only can play fine anti-oxidation anticorrosive effect, can also play thermal-insulated heat preservation effect, and through the design insulating layer, the material that coefficient of heat conductivity is low can completely cut off thermal transmission, avoids the check valve thermal expansion under the high temperature situation, further improves its life, through the design wearing layer, avoids aquatic miscellaneous to cause the damage to the inoxidizing coating.

Drawings

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

FIG. 2 is a front sectional view of the elastic layer structure of the present invention;

fig. 3 is a front view and a cross-sectional view of the high temperature resistant layer structure of the present invention.

In the figure: 1. a check valve body; 2. a protective layer; 21. an elastic layer; 22. a reinforcing layer; 23. a high temperature resistant layer; 231. a silicone layer; 232. an inorganic coating layer; 233. a thermal insulation layer; 24. a waterproof layer; 25. a corrosion-resistant layer; 3. and a wear-resistant layer.

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.

Referring to fig. 1-3, a high-strength check valve comprises a check valve body 1, a protective layer 2 is disposed in an inner cavity of the check valve body 1, a wear-resistant layer 3 is disposed at the bottom of the protective layer 2, the wear-resistant layer 3 is made of ceramic fiber polymer, and through the cooperation of an organic silicon layer 231 and an inorganic coating layer 232, not only can a good anti-oxidation and anti-corrosion effect be achieved, but also a heat insulation effect can be achieved, through the design of a heat insulation layer 233, a material with a low heat conductivity coefficient can isolate heat transfer, thereby preventing the check valve from thermal expansion under a high temperature condition, further prolonging the service life of the check valve, through the design of the wear-resistant layer 3, the protective layer 2 is prevented from being damaged by impurities in water, the protective layer 2 comprises an elastic layer 21, a reinforcing layer 22, a high temperature resistant layer 23, a waterproof layer 24 and a corrosion resistant layer 25, the material of the reinforcing layer 22 is titanium alloy, the bottom of the reinforcing layer 22 is provided with the high temperature resistant layer 23, the high temperature resistant layer 23 comprises an organic silicon layer 231, an inorganic coating layer 232 and a heat insulation layer 233, the bottom of the organic silicon layer 231 is provided with the inorganic coating layer 232, the bottom of the inorganic coating layer 232 is provided with the heat insulation layer 233, the material of the heat insulation layer 233 is glass fiber, the bottom of the high temperature resistant layer 23 is provided with a waterproof layer 24, the bottom of the waterproof layer 24 is provided with an anti-corrosion layer 25, the material of the anti-corrosion layer 25 is polytetrafluoroethylene, the material of the waterproof layer 24 is ethylene propylene diene monomer, through the matching of the elastic layer 21 and the reinforcing layer 22, the elastic rubber conveniently seals the check valve body 1 to avoid water leakage in the inner cavity of the check valve body 1, the titanium alloy has high unit strength, good rigidity and light weight, can work in humid atmosphere and seawater media, acidic substances in water are prevented from corroding the waterproof layer 24, polytetrafluoroethylene can prevent water from permeating into the surface of the titanium alloy in a high-pressure state, the service life of the titanium alloy is prolonged, the effect of long service life is achieved, and the problem that the service life of the existing device is short is solved.

When in use, the elastic rubber is convenient to seal the check valve body 1 by matching the elastic layer 21 and the reinforcing layer 22, water leakage in the inner cavity of the check valve body 1 is avoided, the titanium alloy not only has high unit strength, good rigidity and light weight and can work in humid atmosphere and seawater medium, the waterproof layer 24 is prevented from being corroded by acidic substances in water by matching the waterproof layer 24 and the corrosion-resistant layer 25, polytetrafluoroethylene can prevent water from permeating the surface of the titanium alloy in a high-pressure state, the service life of the titanium alloy is prolonged, the good anti-oxidation and corrosion-resistant effects and the heat-insulation effects can be achieved by matching the organic silicon layer 231 and the inorganic coating layer 232, the heat transfer can be isolated by designing the heat-insulation layer 233 by using a material with low heat conductivity coefficient, the thermal expansion of the check valve under the condition of high temperature is avoided, and the service life of the check valve is further prolonged, through design wearing layer 3, avoid aquatic impurity to cause the damage to inoxidizing coating 2 to reach long service life's effect.

In the description of this patent, 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 for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, 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.

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 high strength check valve comprising a check valve body (1), characterized in that: the inner chamber of check valve body (1) is provided with inoxidizing coating (2), inoxidizing coating (2) include elastic layer (21), enhancement layer (22), high temperature resistant layer (23), waterproof layer (24) and corrosion resistant layer (25), the bottom of elastic layer (21) is provided with enhancement layer (22), the bottom of enhancement layer (22) is provided with high temperature resistant layer (23), the bottom of high temperature resistant layer (23) is provided with waterproof layer (24), the bottom of waterproof layer (24) is provided with corrosion resistant layer (25).

2. A high strength check valve as defined in claim 1, wherein: the elastic layer (21) is made of elastic rubber, and the reinforcing layer (22) is made of titanium alloy.

3. A high strength check valve as defined in claim 1, wherein: the high temperature resistant layer (23) comprises an organic silicon layer (231), an inorganic coating layer (232) and a heat insulation layer (233), wherein the inorganic coating layer (232) is arranged at the bottom of the organic silicon layer (231), the heat insulation layer (233) is arranged at the bottom of the inorganic coating layer (232), and the heat insulation layer (233) is made of glass fibers.

4. A high strength check valve as defined in claim 1, wherein: the corrosion-resistant layer (25) is made of polytetrafluoroethylene, and the waterproof layer (24) is made of ethylene propylene diene monomer.

5. A high strength check valve as defined in claim 1, wherein: the bottom of inoxidizing coating (2) is provided with wearing layer (3), the material of wearing layer (3) is ceramic fiber polymer.