CN213270998U

CN213270998U - Sealing structure of drain valve

Info

Publication number: CN213270998U
Application number: CN202021690490.XU
Authority: CN
Inventors: 璁稿己; 许强
Original assignee: Liaoning Tenglong Water Conservancy Equipment Co ltd
Current assignee: Liaoning Tenglong Water Conservancy Equipment Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-25
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a seal structure of drain valve, including the drain valve body, the equal swing joint in top and the bottom of drain valve body has the sealing washer, the sealing washer includes top layer, middle level and substrate layer, the bottom and the middle level fixed connection on top layer, medial bottom and substrate layer fixed connection, the top layer includes wearing layer, anti-corrosion layer and high temperature resistant layer, the bottom and the anti-corrosion layer fixed connection of wearing layer, the bottom and the high temperature resistant layer fixed connection of anti-corrosion layer. The utility model discloses a drain valve body, sealing washer, top layer, wearing layer, anti-corrosion coating, high temperature resistant layer, middle level, ageing resistant layer, toughness layer, protection rete and substrate layer's cooperation is used, and it is good to have realized the leakproofness, and long service life's purpose, has improved the practicality and the usability of device, has strengthened user's use and has experienced to the user demand that satisfies the user that can be better.

Description

Sealing structure of drain valve

Technical Field

The utility model relates to a drain valve technical field specifically is a seal structure of drain valve.

Background

Drainage valve is an indispensable water industry product, mainly be applied to the city, the building, the enterprise gives drainage engineering, industry and domestic sewage treatment and hydraulic engineering etc. field, wherein use more mainly be all kinds of well low pressure valves, including all kinds of butterfly valves and gate valve other ball valves in addition, the check valve, discharge valve, the plug valve, the diaphragm valve, the relief pressure valve, the flow regulating valve, mud valve etc. mainly used discharge or the control of liquid level, the utility model relates to a seal structure of drain valve, need sealed the pad to strengthen sealed to it in the use of drain valve, prevent that water from flowing out from the junction of drain valve, however, sealed pad ageing-resistant ability on the current market is relatively poor, has reduced sealed life who fills up, has influenced user's use and has experienced to can't satisfy user's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal structure of drain valve, it is good to possess the leakproofness, and long service life's advantage, has solved and has sealed the pad need to seal up and strengthen it in the use of drain valve and seal, prevents that water from flowing from the junction of drain valve, however, sealed pad ageing-resistant ability on the existing market is relatively poor, has reduced the sealed life who fills up, has influenced user's use and has experienced to can't satisfy user's user demand's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a seal structure of drain valve, includes the drain valve body, the equal swing joint in top and the bottom of drain valve body has the sealing washer, the sealing washer includes top layer, middle level and substrate layer, the bottom and the middle level fixed connection on top layer, medial bottom and substrate layer fixed connection, the top layer includes wearing layer, anti-corrosion layer and high temperature resistant layer, the bottom and the anti-corrosion layer fixed connection of wearing layer, the bottom and the high temperature resistant layer fixed connection of anti-corrosion layer, the middle level includes ageing resistant layer, toughness layer and protection rete, the bottom and the toughness layer fixed connection on ageing resistant layer, the bottom and the protection rete fixed connection on toughness layer.

Preferably, the wear-resistant layer is made of a polyurethane material, and the thickness of the wear-resistant layer is 2-25 micrometers.

Preferably, the anti-corrosion layer is made of phenolic resin materials, and the thickness of the anti-corrosion layer is 20-200 μm.

Preferably, the high-temperature resistant layer is made of a fluorosilicone rubber material, and the anti-aging layer is formed by winding glass fiber yarns soaked with aliphatic polyurethane resin.

Preferably, the toughness layer is made of rubber materials, and the protection film layer is made of nano-silver materials.

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

1. the utility model discloses a drain valve body, sealing washer, top layer, wearing layer, anti-corrosion coating, high temperature resistant layer, middle level, ageing resistant layer, toughness layer, protection rete and substrate layer's cooperation is used, and it is good to have realized the leakproofness, and long service life's purpose, has improved the practicality and the usability of device, has strengthened user's use and has experienced to the user demand that satisfies the user that can be better.

2. The utility model discloses a set up the wearing layer, a wear resistance for strengthening the sealing washer, prevent that the sealing washer surface from taking place the damage, influence its usability, through setting up anti-corrosion coating, a corrosion protection ability for strengthening the sealing washer, prevent corrosive liquids and cause the damage to the sealing washer, through setting up high temperature resistant layer, a high temperature resistant ability for strengthening the sealing washer, prevent that the high temperature from making the sealing washer take place to warp, through setting up ageing-resistant layer, a ageing-resistant ability for strengthening the sealing washer, through setting up the toughness layer, a toughness for strengthening the sealing washer, prevent that the sealing washer from taking place to warp, through setting up the protection rete, a better protection is carried out to the sealing washer.

Drawings

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

fig. 2 is a schematic cross-sectional view of the sealing ring of the present invention;

FIG. 3 is a schematic cross-sectional view of the top layer of the present invention;

fig. 4 is a schematic cross-sectional view of the middle layer of the present invention.

In the figure: 1. a drain valve body; 2. a seal ring; 3. a surface layer; 301. a wear layer; 302. an anti-corrosion layer; 303. a high temperature resistant layer; 4. a middle layer; 401. an aging-resistant layer; 402. a ductile layer; 403. a protective film layer; 5. and a substrate 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.

In addition, the descriptions of the first, second, etc. in the present invention are only for the purpose of description, not for the purpose of particularly referring to the order or sequence, but also for the purpose of limiting the present invention, it is used only for distinguishing between components or operations that are described in the same technical language, and not for indicating or implying any relative importance or implicit indication of technical features indicated, thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature, in addition, the technical solutions of the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art, when the technical solutions are contradictory or cannot be combined, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Referring to fig. 1-4, a sealing structure of a drain valve comprises a drain valve body 1, wherein the top and the bottom of the drain valve body 1 are movably connected with a sealing ring 2, the sealing ring 2 comprises a surface layer 3, a middle layer 4 and a base material layer 5, the bottom of the surface layer 3 is fixedly connected with the middle layer 4, the bottom of the middle layer 4 is fixedly connected with the base material layer 5, the surface layer 3 comprises a wear-resistant layer 301, an anti-corrosion layer 302 and a high-temperature-resistant layer 303, the bottom of the wear-resistant layer 301 is fixedly connected with the anti-corrosion layer 302, the wear-resistant layer 301 is made of polyurethane material, the thickness of the wear-resistant layer 301 is 2 micrometers-25 micrometers, the wear-resistant layer 301 is arranged to enhance the wear resistance of the sealing ring 2 and prevent the surface of the sealing ring 2 from being damaged and affecting the usability of the sealing ring, the bottom of the anti-corrosion layer 302 is fixedly connected with the high-temperature, the anti-corrosion layer 302 is arranged to enhance the anti-corrosion capability of the seal ring 2 and prevent corrosive liquid from damaging the seal ring 2, the middle layer 4 comprises an aging-resistant layer 401, a toughness layer 402 and a protection film layer 403, the bottom of the aging-resistant layer 401 is fixedly connected with the toughness layer 402, the high-temperature-resistant layer 303 is made of fluorosilicone rubber material, the high-temperature-resistant layer 303 is arranged to enhance the high-temperature-resistant capability of the seal ring 2 and prevent the seal ring 2 from deforming due to overhigh temperature, the aging-resistant layer 401 is formed by winding glass fiber yarns soaked with aliphatic polyurethane resin, the aging-resistant layer 401 is arranged to enhance the aging-resistant capability of the seal ring 2, the bottom of the toughness layer 402 is fixedly connected with the protection film layer 403, the toughness layer 402 is made of rubber material, the toughness layer 402 is arranged to enhance the toughness of the seal ring 2 and prevent the seal ring 2 from deforming, and the protection film layer 403 is made, through setting up protection rete 403 for carry out better protection to sealing washer 2, through drain valve body 1, sealing washer 2, top layer 3, wearing layer 301, anti-corrosion coating 302, high temperature resistant layer 303, middle level 4, ageing resistant layer 401, toughness layer 402, protection rete 403 and substrate layer 5's cooperation is used, it is good to have realized the leakproofness, and long service life's purpose, the practicality and the usability of device have been improved, user's use experience has been strengthened, thereby user's user demand of satisfying that can be better.

During the use, through wearing layer 301, a wear resistance for reinforcing sealing washer 2, prevent that sealing washer 2 surface from taking place the damage, influence its usability, through anti-corrosion coating 302, a corrosion protection for reinforcing sealing washer 2, prevent that corrosive liquids from causing the damage to sealing washer 2, through resistant high temperature layer 303, a high temperature resistant ability for reinforcing sealing washer 2, prevent that high temperature from making sealing washer 2 take place to warp, through ageing-resistant layer 401, an ageing-resistant ability for reinforcing sealing washer 2, through toughness layer 402, a toughness for reinforcing sealing washer 2, prevent that sealing washer 2 from taking place to warp, through protection rete 403, a better protection is carried out to sealing washer 2, thereby it is good to have realized the leakproofness, and long service life's purpose.

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. The utility model provides a seal structure of drain valve, includes drain valve body (1), its characterized in that: the top and the bottom of the drain valve body (1) are both movably connected with a sealing ring (2), the sealing ring (2) comprises a surface layer (3), a middle layer (4) and a base material layer (5), the bottom of the surface layer (3) is fixedly connected with the middle layer (4), the bottom of the middle layer (4) is fixedly connected with the base material layer (5), the surface layer (3) comprises a wear-resistant layer (301), an anti-corrosion layer (302) and a high-temperature-resistant layer (303), the bottom of the wear-resistant layer (301) is fixedly connected with the anti-corrosion layer (302), the bottom of the anti-corrosion layer (302) is fixedly connected with the high-temperature resistant layer (303), the middle layer (4) comprises an aging resistant layer (401), a toughness layer (402) and a protective film layer (403), the bottom of the aging-resistant layer (401) is fixedly connected with the toughness layer (402), and the bottom of the toughness layer (402) is fixedly connected with the protective film layer (403).

2. A sealing structure of a drain valve according to claim 1, characterized in that: the wear-resistant layer (301) is made of a polyurethane material, and the thickness of the wear-resistant layer (301) is 2-25 micrometers.

3. A sealing structure of a drain valve according to claim 1, characterized in that: the anti-corrosion layer (302) is made of phenolic resin materials, and the thickness of the anti-corrosion layer (302) is 20-200 mu m.

4. A sealing structure of a drain valve according to claim 1, characterized in that: the high temperature resistant layer (303) is made of fluorosilicone rubber materials, and the ageing resistant layer (401) is formed by winding glass fiber yarns soaked with aliphatic polyurethane resin.

5. A sealing structure of a drain valve according to claim 1, characterized in that: the toughness layer (402) is made of rubber materials, and the protection film layer (403) is made of nano-silver materials.