CN215806746U

CN215806746U - Valve seat convenient to install

Info

Publication number: CN215806746U
Application number: CN202122031768.3U
Authority: CN
Inventors: 沈荣平; 王梅
Original assignee: Shanghai Gongfu Industrial Co ltd
Current assignee: Shanghai Gongfu Industrial Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-11
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to the technical field of valve seats and discloses a valve seat convenient to install. This disk seat convenient to installation, put into big screw with the screw from axle sleeve department, in the little screw, the installation screw of being convenient for through the setting of four axle sleeves, it is spacing to make the screw, prevent that the screw thread is crooked, through screwing up the screw, make the device be convenient for install, the anticorrosive steel material of 3PE through the disk seat main part adoption, the corrosion resisting property of reinforcing means, the life of improving the device, be connected through the block of fixture block and draw-in groove, make anticorrosive coating board fix in the disk seat main part, for the disk seat main part provides the protection, epoxy coating through anticorrosive coating board adoption, make anticorrosive coating board have good corrosion resisting property, further the durability of hoisting device.

Description

Valve seat convenient to install

Technical Field

The utility model relates to the technical field of valve seats, in particular to a valve seat convenient to install.

Background

The valve seat is a detachable surface part in the valve and is used for supporting the valve core at the fully closed position and forming sealing, the diameter of the general valve seat is the maximum circulation diameter of the valve, for example, the valve seat of a butterfly valve is very wide in material, various rubbers, plastics and metal materials can be used as the valve seat material, elastic sealing materials and small actuating mechanism thrust are used for obtaining bubble tightness sealing, the sealing stress of the valve seat is compressed to enable the materials to be elastically deformed and to be extruded into the rough surface of a matched metal part so as to block all leakage passages, and the valve seat is convenient to install.

Most of existing valve seats are prone to screw deflection during installation, so that screws are difficult to screw and fix, installation of the device is difficult, corrosion resistance of most of the valve seats is poor, and the valve seats are often required to be replaced after being used for a period of time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a valve seat convenient to mount, and aims to solve the problems that most of the prior valve seats proposed in the background art are easy to be skewed by screws during mounting, so that the screws are difficult to screw and fix, the device is difficult to mount, and the corrosion resistance of most valve seats is poor, so that the valve seats are frequently required to be replaced after being used for a period of time.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a disk seat convenient to installation, includes the disk seat main part, the upper portion fixed mounting of disk seat main part has the adapter sleeve, the outside of adapter sleeve is provided with the sealing washer, the up end fixed mounting of disk seat main part has the axle sleeve, the inboard of axle sleeve is provided with the screw subassembly, the bottom of disk seat main part is provided with the screw subassembly, the inboard of disk seat main part is provided with anticorrosive coating board.

Preferably, the disk seat main part includes the draw-in groove, the lower terminal surface of disk seat main part is provided with three draw-in groove, and is three the draw-in groove uses the disk seat main part to be 120 distributions as the centre of a circle, the disk seat main part adopts the anticorrosive steel material of 3PE to make, the anticorrosive steel material of 3PE through the disk seat main part adoption, first layer epoxy powder, second floor adhesive, third layer polyethylene, three kinds of materials combine as an organic whole to firmly combine to form good anticorrosive coating with the steel, reinforcing means's corrosion resisting property improves device's life.

Preferably, the cross section of the connecting sleeve is of a stepped structure, the sealing ring is in sliding connection with the connecting sleeve, the sealing ring is made of hydrogenated nitrile rubber, and the sealing ring has good temperature resistance and weather resistance, good oil resistance, water resistance, solvent resistance and high-pressure oil resistance, excellent corrosion resistance, tensile resistance, tearing resistance and compressibility, so that the service life of the sealing ring is prolonged, and the sealing performance of the device is improved.

Preferably, the outer side of the valve seat main body is fixedly provided with four shaft sleeves which are in a telescope-shaped structure, the shaft sleeves are distributed by 90 degrees by taking the valve seat main body as a circle center, and screws are conveniently installed through the four shaft sleeves, so that the screws are limited, and the threads are prevented from being inclined.

Preferably, the screw subassembly includes big screw, little screw, the inboard of axle sleeve is provided with big screw, little screw, big screw, little screw run through in the axle sleeve, the diameter of big screw is greater than the diameter of little screw, the bottom of disk seat main part is provided with big screw, little screw, puts into big screw, little screw with the screw from axle sleeve department, through screwing up the screw, makes the device fixed.

Preferably, the anticorrosive coating plate comprises a clamping block, the bottom of the anticorrosive coating plate is fixedly provided with the clamping block, the clamping block is connected with the clamping groove in a clamping mode, the anticorrosive coating plate is formed by spraying epoxy resin coating, the anticorrosive coating plate is fixed in the valve seat main body through the clamping connection of the clamping block and the clamping groove to provide protection for the valve seat main body, the anticorrosive coating plate is enabled to have good corrosion resistance, particularly alkali resistance and good wear resistance through the epoxy resin coating adopted by the anticorrosive coating plate, the paint film has good elasticity and hardness, the shrinkage rate is low, and the durability of the device is further improved.

Compared with the prior art, the utility model provides the valve seat convenient to install, and the valve seat has the following beneficial effects:

the valve seat convenient to install is characterized in that screws are placed into the large screw holes and the small screw holes from the shaft sleeves, the screws are convenient to install through the arrangement of the four shaft sleeves, the screws are limited and prevented from being inclined, the device is convenient to install through screwing the screws, the 3PE anticorrosive steel material adopted by the valve seat main body, the first layer of epoxy powder, the second layer of adhesive and the third layer of polyethylene are fused into a whole and firmly combined with steel to form a good anticorrosive layer, the anticorrosive performance of the device is enhanced, the service life of the device is prolonged, the anticorrosive coating plate is fixed in the valve seat main body through the clamping connection of the clamping block and the clamping groove to provide protection for the valve seat main body, and the anticorrosive coating plate has good corrosion resistance, especially alkali resistance and better wear resistance through the epoxy resin coating adopted by the anticorrosive coating plate, a paint film has good elasticity and hardness and is low in shrinkage rate, further improving the durability of the device.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic bottom view of the present invention.

Wherein: 1. a valve seat body; 2. connecting sleeves; 3. a seal ring; 4. a shaft sleeve; 5. a screw hole assembly; 6. an anticorrosive coating plate; 11. a card slot; 51. a large screw hole; 52. a small screw hole; 61. and (7) clamping blocks.

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.

Referring to fig. 1-4, a valve seat convenient to mount comprises a valve seat main body 1, wherein the valve seat main body 1 comprises clamping grooves 11, three clamping grooves 11 are arranged on the lower end surface of the valve seat main body 1, the three clamping grooves 11 are distributed at 120 degrees around the valve seat main body 1, the valve seat main body 1 is made of 3PE anticorrosive steel, the valve seat main body 1 is made of the 3PE anticorrosive steel, a first layer of epoxy powder, a second layer of adhesive and a third layer of polyethylene are fused into a whole and are firmly combined with steel to form an excellent anticorrosive layer, the anticorrosive performance of the device is enhanced, the service life of the device is prolonged, a connecting sleeve 2 is fixedly mounted on the upper portion of the valve seat main body 1, a sealing ring 3 is arranged on the outer side of the connecting sleeve 2, the cross section of the connecting sleeve 2 is of a stepped structure, the sealing ring 3 is in sliding connection with the connecting sleeve 2, and the sealing ring 3 is made of hydrogenated nitrile rubber, by adopting the hydrogenated nitrile-butadiene rubber material for the sealing ring 3, the sealing ring 3 has good temperature resistance and weather resistance, good oil resistance, water resistance, solvent resistance and high-pressure oil resistance, excellent corrosion resistance, tensile resistance, tearing resistance and compressibility, the service life of the sealing ring 3 is prolonged, and the sealing performance of the device is improved;

the upper end face of the valve seat main body 1 is fixedly provided with a shaft sleeve 4, the outer side of the valve seat main body 1 is fixedly provided with four shaft sleeves 4, each shaft sleeve 4 is of a telescope-shaped structure, each shaft sleeve 4 is distributed at 90 degrees by taking the valve seat main body 1 as a circle center, screws are conveniently installed through the four shaft sleeves 4, the screws are limited and prevented from being inclined, the inner side of each shaft sleeve 4 is provided with a screw hole assembly 5, the bottom of the valve seat main body 1 is provided with the screw hole assembly 5, each screw hole assembly 5 comprises a large screw hole 51 and a small screw hole 52, the inner side of each shaft sleeve 4 is provided with the large screw hole 51 and the small screw hole 52, the large screw hole 51 and the small screw hole 52 penetrate through the shaft sleeves 4, the diameter of the large screw hole 51 is larger than that of the small screw hole 52, the bottom of the valve seat main body 1 is provided with the large screw hole 51 and the small screw hole 52, the screws are placed into the large screw hole 51 and the small screw hole 52 from the shaft sleeves 4, and the device is fixed by tightening the screws;

the inboard of disk seat main part 1 is provided with anticorrosive flitch 6 of scribbling, anticorrosive flitch 6 of scribbling includes fixture block 61, the bottom fixed mounting of anticorrosive flitch 6 of scribbling has fixture block 61, fixture block 61 is connected for the block with draw-in groove 11, anticorrosive flitch 6 of scribbling adopts the spraying of epoxy coating, be connected through the block of fixture block 61 with draw-in groove 11, make anticorrosive flitch 6 of scribbling fix in disk seat main part 1, for disk seat main part 1 provides the protection, through the epoxy coating that anticorrosive flitch 6 of scribbling adopted, make anticorrosive flitch 6 of scribbling have good corrosion resisting property, especially alkali-resistant, and have better wearability, the paint film has good elasticity and hardness, the shrinkage factor is lower, further promote the durability of device.

When in use, firstly, screws are put into the large screw holes 51 and the small screw holes 52 from the shaft sleeves 4, the screws are convenient to install through the arrangement of the four shaft sleeves 4, the screws are limited, the screw thread is prevented from being inclined, the device is convenient to install through screwing the screws, the three materials, namely, 3PE anticorrosive steel material, the first layer of epoxy powder, the second layer of adhesive and the third layer of polyethylene, adopted by the valve seat main body 1 are fused into a whole and are firmly combined with steel to form an excellent anticorrosive coating, the anticorrosive performance of the device is enhanced, the service life of the device is prolonged, the anticorrosive coating plate 6 is fixed in the valve seat main body 1 through the clamping connection of the clamping blocks 61 and the clamping grooves 11, the valve seat main body 1 is protected, the anticorrosive coating plate 6 has good corrosion resistance, particularly alkali resistance and better wear resistance through the epoxy resin coating adopted by the anticorrosive coating plate 6, and a paint film has good elasticity and hardness, the shrinkage factor is lower, further promote the durability of device, the outside of adapter sleeve 2 is provided with sealing washer 3, through the hydrogenation butadiene acrylonitrile rubber material of sealing washer 3 adoption, makes sealing washer 3 have good temperature resistance and weatherability, and has good oil resistance, water-resistant, anti-solvent and the anti high pressure oil's of resistance, the splendid characteristic of corrosion-resistant, tensile, tear-resistant and compressibility, the life of extension sealing washer 3, the leakproofness of improvement device.

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. A valve seat convenient to installation, includes valve seat main part (1), its characterized in that: the upper portion fixed mounting of disk seat main part (1) has adapter sleeve (2), the outside of adapter sleeve (2) is provided with sealing washer (3), the up end fixed mounting of disk seat main part (1) has axle sleeve (4), the inboard of axle sleeve (4) is provided with screw subassembly (5), the bottom of disk seat main part (1) is provided with screw subassembly (5), the inboard of disk seat main part (1) is provided with anticorrosive coating board (6).

2. An easy to install valve seat according to claim 1, wherein: the valve seat main body (1) comprises a clamping groove (11), the lower end face of the valve seat main body (1) is provided with three clamping grooves (11) which are distributed by 120 degrees by taking the valve seat main body (1) as a circle center, and the valve seat main body (1) is made of 3PE (polyethylene) anticorrosive steel.

3. An easy to install valve seat according to claim 1, wherein: the cross section of the connecting sleeve (2) is of a stepped structure, the sealing ring (3) is in sliding connection with the connecting sleeve (2), and the sealing ring (3) is made of hydrogenated nitrile butadiene rubber.

4. An easy to install valve seat according to claim 1, wherein: the outer side of the valve seat main body (1) is fixedly provided with four shaft sleeves (4), the shaft sleeves (4) are of a telescope-shaped structure, and the shaft sleeves (4) are distributed by 90 degrees by taking the valve seat main body (1) as a circle center.

5. An easy to install valve seat according to claim 1, wherein: screw subassembly (5) are including big screw (51), little screw (52), the inboard of axle sleeve (4) is provided with big screw (51), little screw (52), big screw (51), little screw (52) run through in axle sleeve (4), the diameter of big screw (51) is greater than the diameter of little screw (52), the bottom of disk seat main part (1) is provided with big screw (51), little screw (52).

6. An easy to install valve seat according to claim 2, wherein: the anticorrosion coating plate (6) comprises a clamping block (61), the clamping block (61) is fixedly mounted at the bottom of the anticorrosion coating plate (6), the clamping block (61) is connected with the clamping groove (11) in a clamping mode, and the anticorrosion coating plate (6) is formed by spraying epoxy resin paint.