CN219472709U

CN219472709U - Low-deformation sealing gasket for valve

Info

Publication number: CN219472709U
Application number: CN202223504057.4U
Authority: CN
Inventors: 李东辉; 陆建华; 李佳乐
Original assignee: Qidong Chengjia Electromechanical Equipment Co ltd
Current assignee: Qidong Chengjia Electromechanical Equipment Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-08-04
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of sealing gaskets, in particular to a low-deformation sealing gasket for a valve, which is not easy to damage, long in service life, capable of improving working efficiency and enhancing practicability; including sealed buffer tank of filling up body top offered, inner ring fixed mounting is in the buffer tank, inner ring lateral wall is connected through multiunit buffer sheet with the buffer tank lateral wall, inner ring top fixed mounting has the top ring, top ring outer end and buffer tank lateral wall fixed connection, sealed pad body, all be provided with the inoxidizing coating on top ring and the inner ring, be connected inner ring and sealed pad through setting up the buffer sheet, when the inner ring receives external force to influence, can extrude the buffer sheet, help the inner ring rebound and reset after the buffer sheet takes place deformation, guarantee sealed effect, it is not fragile, the inoxidizing coating can protect sealed pad body, extension sealed pad life, sealed edge of filling up body is the arc structure, the arc structure can make more convenient when installing sealed pad.

Description

Low-deformation sealing gasket for valve

Technical Field

The utility model relates to the technical field of sealing gaskets, in particular to a low-deformation sealing gasket for a valve.

Background

The valve is a mechanical device for controlling the flow, the flow direction, the pressure, the temperature and the like of flowing fluid media, the valve is a basic component in a pipeline system, the tightness of the valve is one of important performance indexes of the valve, a sealing gasket is commonly adopted at an interface of the valve to improve the tightness, and the traditional sealing gasket is commonly an integral annular gasket;

the existing sealing gasket is found in use, because the fluid impact force at the valve interface is large, the traditional sealing gasket is easy to damage, the leakage of the valve is caused, the service life is lower, the working efficiency is reduced, and therefore the practicability is poor.

Disclosure of Invention

(one) solving the technical problems

In order to solve the technical problems, the utility model provides the low-deformation sealing gasket for the valve, which is not easy to damage, long in service life, capable of improving working efficiency and enhancing practicability.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a low deformation is sealed fills up for valve, includes the sealed body that fills up, supporting mechanism includes the inner ring, and the buffer tank has been seted up at sealed body top, and inner ring fixed mounting is in the buffer tank, and inner ring lateral wall is connected through multiunit buffer piece with the buffer tank lateral wall, and inner ring top fixed mounting has the top ring, top ring outer end and buffer tank lateral wall fixed connection, all are provided with the inoxidizing coating on sealed body, top ring and the inner ring.

Through adopting above-mentioned technical scheme, set up the buffer piece and be connected inner ring and sealed pad, when the inner ring receives external force to influence, can extrude the buffer piece, help the inner ring to kick-back and reset after the buffer piece takes place to deform, guarantee sealed effect, not fragile, the inoxidizing coating can protect sealed pad body, extension sealed pad life has improved work efficiency to the practicality has been strengthened.

Preferably, the edge of the sealing gasket body is of an arc-shaped structure.

By adopting the technical scheme, the arc-shaped structure can enable the installation of the sealing gasket to be more convenient and faster, thereby enhancing the practicability.

Further, the sealing gasket body, the top ring, the inner ring and the buffer piece are made of tetrafluoroethylene.

By adopting the technical scheme, the polytetrafluoroethylene is high in corrosion resistance, and the polytetrafluoroethylene lining is adopted, so that the tightness and the service life of the product can be ensured, the production cost can be reduced, and the practicability is enhanced.

Further, the protective layer is fluororubber.

By adopting the technical scheme, the fluororubber is corrosion-resistant and has good toughness, and the service life of the sealing gasket is prolonged, so that the practicability is enhanced.

(III) beneficial effects

Compared with the prior art, the application provides a low deformation sealing gasket for valve, possesses following beneficial effect:

according to the utility model, the buffer sheet is arranged to connect the inner ring with the sealing gasket, when the inner ring is influenced by external force, the buffer sheet is extruded, the buffer sheet is deformed to help the inner ring rebound and reset, the sealing effect is ensured, the sealing gasket is not easy to damage, the protective layer can protect the sealing gasket body, the service life of the sealing gasket is prolonged, and the working efficiency is improved, so that the practicability is enhanced.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic top view of the connection of the cushion sheet and the inner ring of the present utility model;

FIG. 3 is a schematic view of the protective layer structure of the present utility model;

the reference numerals in the drawings: 1. a gasket body; 2. an inner ring; 3. a buffer sheet; 4. a top ring; 5. an arc-shaped structure; 6. and (5) a protective layer.

Detailed Description

Example 1

Referring to fig. 1-3, a buffer groove is formed in the top of the sealing gasket body 1, an inner ring 2 is fixedly installed in the buffer groove, the outer side wall of the inner ring 2 is connected with the side wall of the buffer groove through a plurality of groups of buffer sheets 3, the buffer sheets 3 are arranged to connect the inner ring 2 with the sealing gasket, when the inner ring 2 is affected by external force, the buffer sheets 3 are extruded, after deformation of the buffer sheets 3, the inner ring 2 is assisted to rebound and reset, the sealing effect is guaranteed, the sealing gasket body 1, a top ring 4 and the inner ring 2 are not easy to damage, the protection layer 6 can protect the sealing gasket body 1, the service life of the sealing gasket is prolonged, the top ring 4 is fixedly installed at the top of the inner ring 2, the outer end of the top ring 4 is fixedly connected with the side wall of the buffer groove, the working efficiency is improved, and the practicability is improved.

Referring to fig. 1 and 3, the edge of the gasket body 1 is an arc-shaped structure 5, and the arc-shaped structure 5 can facilitate the installation of the gasket, thereby enhancing the practicability.

Referring to fig. 1-3, the sealing gasket body 1, the top ring 4, the inner ring 2 and the buffer sheet 3 are made of tetrafluoroethylene, the polytetrafluoroethylene is highly corrosion-resistant, and the polytetrafluoroethylene lining is adopted, so that the sealing performance and the service life of the product can be ensured, the production cost can be reduced, and the practicability is enhanced.

Referring to fig. 1-3, the protective layer 6 is made of fluororubber, which has good corrosion resistance and toughness, and prolongs the service life of the sealing gasket, thereby enhancing the practicability.

Example 2

Referring to fig. 1-3, the top of the gasket body 1 is provided with a buffer slot, the inner ring 2 is fixedly installed in the buffer slot, the outer side wall of the inner ring 2 is connected with the side wall of the buffer slot through a plurality of groups of buffer sheets 3, the buffer sheets 3 are arranged to connect the inner ring 2 with the gasket, when the inner ring 2 is affected by external force, the buffer sheets 3 are extruded, after deformation, the buffer sheets 3 are deformed, the inner ring 2 is assisted to rebound and reset, the sealing effect is ensured, the gasket body 1, the top ring 4 and the inner ring 2 are not easy to damage, the protective layer 6 can protect the gasket body 1, the service life of the gasket is prolonged, the top ring 4 is fixedly installed at the top of the inner ring 2, the outer end of the top ring 4 is fixedly connected with the side wall of the buffer slot, the edge of the gasket body 1 is an arc-shaped structure 5, and the arc-shaped structure 5 can enable the gasket to be installed more conveniently, thereby enhancing the practicability.

Referring to fig. 1-3, the gasket body 1, the top ring 4, the inner ring 2 and the buffer sheet 3 are made of polytetrafluoroethylene, the protective layer 6 is made of fluororubber, the fluororubber is corrosion-resistant and has good toughness, the service life of the gasket can be prolonged, the polytetrafluoroethylene is corrosion-resistant, and the polytetrafluoroethylene lining is adopted, so that the tightness and service life of a product can be ensured, the production cost can be reduced, and the practicability is enhanced.

According to the low-deformation sealing gasket for the valve, when the low-deformation sealing gasket is in operation, the arc-shaped structure 5 at the edge of the sealing gasket body 1 enables the sealing gasket to be installed more conveniently, the buffer sheet 3 is arranged to connect the inner ring 2 with the sealing gasket, when the inner ring 2 is affected by external force, the buffer sheet 3 is extruded, the buffer sheet 3 is deformed to help the inner ring 2 to rebound and reset, the sealing effect is ensured, the sealing gasket is not easy to damage, the protective layer 6 can protect the sealing gasket body 1, and the service life of the sealing gasket is prolonged.

Claims

1. The utility model provides a low deformation is sealed fills up for valve, includes sealed pad body, its characterized in that still includes:

the supporting mechanism comprises an inner ring, a buffer groove is formed in the top of the sealing gasket body, the inner ring is fixedly arranged in the buffer groove, the outer side wall of the inner ring is connected with the side wall of the buffer groove through a plurality of groups of buffer pieces, a top ring is fixedly arranged at the top of the inner ring, the outer end of the top ring is fixedly connected with the side wall of the buffer groove, and protective layers are arranged on the sealing gasket body, the top ring and the inner ring.

2. A low deformation gasket for a valve according to claim 1, wherein: the edge of the sealing gasket body is of an arc-shaped structure.

3. A low deformation gasket for a valve according to claim 1, wherein: the sealing gasket body, the top ring, the inner ring and the buffer piece are made of tetrafluoroethylene.

4. A low deformation gasket for a valve according to claim 1, wherein: the protective layer is made of fluororubber.