CN210014040U

CN210014040U - Triangular ring double-piston interchangeable valve seat

Info

Publication number: CN210014040U
Application number: CN201920718290.1U
Authority: CN
Inventors: 韩泽海; 李麦
Original assignee: Sinover Valve Control (suzhou) Co Ltd
Current assignee: Sinover Valve Control (suzhou) Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-02-04
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a triangle circle double-piston interchangeable disk seat, including main valve seat, vice disk seat and valve plate, the top of main valve seat is equipped with vice disk seat. The utility model discloses the disk seat divide into main valve seat and vice disk seat, main valve seat is equipped with the sawtooth lug with vice disk seat junction, a be used for guaranteeing that vice disk seat is blocked and fixed on main valve seat, thereby guarantee can not take place the skew when using, the leakproofness of valve has been ensured, and simultaneously, inside at each sawtooth lug all is equipped with first packing rubber, pack the back through first packing rubber pressurized, the leakproofness of main valve seat with vice disk seat junction has further been ensured, the inside ceramic inner bag that is equipped with of main valve seat, utilize ceramic material's characteristics that the ability of corrosion resistance is strong, improve the life of whole disk seat, and then guarantee that the difficult emergence of valve when using is corroded and the phenomenon of revealing that leads to take place, and simultaneously, be equipped with the buffer layer in the middle of ceramic inner bag and the main valve seat.

Description

Triangular ring double-piston interchangeable valve seat

Technical Field

The utility model relates to a water conservancy water and electricity valve technical field specifically is a triangle circle double-piston interchangeable disk seat.

Background

The valves are used for opening and closing pipelines, controlling flow direction, adjusting and controlling parameters of conveying media, and can be divided into shut-off valves, check valves, regulating valves and the like according to functions of the valves, wherein the valves are control parts in a fluid conveying system and have functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure, and the valves used for the fluid control system range from the simplest stop valves to various valves used in extremely complex automatic control systems, and the variety and the specification of the valves are quite various. The valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is further divided into a cast iron valve, a cast steel valve, a stainless steel valve, a chromium molybdenum vanadium steel valve, a dual-phase steel valve, a plastic valve, a nonstandard customized valve and the like according to the material, wherein the valve seat is a detachable surface component in the valve and is used for supporting the fully closed position of the valve core and forming a sealing pair.

However, the existing triangular ring double-piston interchangeable valve seat still has disadvantages when in use, because most of the applications of the valve have certain corrosiveness on the flowing liquid or gas, the inner wall of the valve can be corroded, and once the valve seat is corroded, the valve can be closed untight, the leakage and other problems can be caused, and improvement is needed urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a triangle circle double-piston interchangeable disk seat to the liquid that proposes in solving above-mentioned background art because the valve water conservancy diversion all has corrosivity more or less, can cause the valve to corrode, and then leads to the valve to close untightly, causes serious problems such as revealing.

In order to achieve the above object, the utility model provides a following technical scheme: a triangular ring double-piston interchangeable valve seat comprises a main valve seat, an auxiliary valve seat and a valve plate, wherein a ceramic liner is arranged on the inner side of the main valve seat, a through hole is formed in the ceramic liner, and the auxiliary valve seat is arranged at the top of the main valve seat.

Preferably, the outer side of the ceramic inner container is provided with a buffer layer, and one end of the buffer layer is provided with a convex edge.

Preferably, the outer side of the auxiliary valve seat is provided with a return spring, one end of the return spring is provided with a fixing plate, and one end of the fixing plate is provided with a positioning hole.

Preferably, the joints of the main valve seat and the auxiliary valve seat are provided with sawtooth convex blocks, and the inner sides of the sawtooth convex blocks are provided with first filling rubber.

Preferably, an annular groove is formed in one end, connected with the auxiliary valve seat, of the main valve seat, and second filling rubber is arranged inside the annular groove.

Preferably, the inner side of the auxiliary valve seat is provided with a valve plate, and the top of the valve plate is provided with a threaded hole.

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

1. the utility model discloses the disk seat divide into main valve seat and vice disk seat, and main valve seat is equipped with the sawtooth lug with vice disk seat junction for guarantee that vice disk seat is blocked and fixed on main valve seat, thereby guarantee can not take place to squint when using, guaranteed the leakproofness of valve, simultaneously, all be equipped with first packing rubber in the inside of each sawtooth lug, through first packing rubber pressurized packing after, further guaranteed the leakproofness of main valve seat with vice disk seat junction;

2. the ceramic inner container is arranged in the main valve seat, the characteristics of strong corrosion resistance of ceramic materials are utilized, the service life of the whole valve seat is prolonged, and further the valve is ensured not to be easy to corrode and cause leakage phenomenon when in use;

3. the utility model discloses a vice disk seat top has the fixed plate through reset spring connection, can fix the fixed plate through the locating hole on the fixed plate, and then under reset spring's effort, guarantees that vice disk seat pushes up tightly all the time on main valve seat, and difficult emergence sideslips and is not hard up.

Drawings

Fig. 1 is a schematic structural view of a triangular ring double-piston interchangeable valve seat of the present invention;

FIG. 2 is a schematic view of the structure of the junction between the main valve seat and the auxiliary valve seat of the present invention;

fig. 3 is a schematic structural diagram of the inner layer of the main valve seat of the present invention.

In the figure: 1. a main valve seat; 2. a ceramic inner container; 3. a through hole; 4. a secondary valve seat; 41. a saw-tooth bump; 42. a first filled rubber; 5. a fixing plate; 51. positioning holes; 6. a return spring; 7. a valve plate; 8. a threaded hole; 9. an annular groove; 91. a second filled rubber; 10. a buffer layer; 101. a convex edge.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a triangle circle double-piston interchangeable disk seat, includes main valve seat 1, vice disk seat 4 and valve plate 7, and the inboard of main valve seat 1 is equipped with ceramic inner bag 2, and ceramic inner bag 2 utilizes ceramic material's characteristics that the resistance to corrosion is strong, improves the life of whole disk seat, and then guarantees that the difficult emergence of valve is corroded and the phenomenon of revealing that leads to takes place when using, and the inside of ceramic inner bag 2 is equipped with through-hole 3, and the top of main valve seat 1 is equipped with vice disk seat 4.

Further, the outside of ceramic inner bag 2 is equipped with buffer layer 10, and buffer layer 10 is used for buffering the impact that the main valve seat 1 outside was received, prevents that impact force direct impact ceramic inner bag 2 from leading to the ceramic inner bag damaged, and the one end of buffer layer 10 is equipped with chimb 101, and chimb 101 is used for further guaranteeing that buffer layer 10 block is fixed on ceramic inner bag 2, can not take place to become flexible.

Further, the outside of the auxiliary valve seat 4 is provided with a return spring 6, one end of the return spring 6 is provided with a fixing plate 5, one end of the fixing plate 5 is provided with a positioning hole 51, and under the action force of the return spring 6, the auxiliary valve seat 4 can be well ensured to be tightly fixed on the main valve seat 1, so that the joint of the main valve seat 1 and the auxiliary valve seat 4 cannot sideslip or loosen.

Further, the junction of main valve seat 1 and auxiliary valve seat 4 all is equipped with sawtooth lug 41, and the design of sawtooth lug 41 has further guaranteed that main valve seat 1 and auxiliary valve seat 4 can not take place to sideslip, and the inboard of sawtooth lug 41 is equipped with first packing rubber 42, and the inboard at sawtooth lug 41 is filled after first packing rubber 42 pressurized, can further ensure the leakproofness of main valve seat 1 and auxiliary valve seat 4 junction, prevents to reveal.

Further, the main valve seat 1 is contacted one end with being connected of auxiliary valve seat 4 and is equipped with ring channel 9, and the inside of ring channel 9 is equipped with second and fills rubber 91, and the second is filled rubber 91 and is hugged closely and at the main valve seat 1, auxiliary valve seat 4 and valve plate 7 three junction after the compression to guarantee that the junction gap can be by inseparable seal, prevent the emergence of the phenomenon of revealing.

Further, the valve plate 7 is arranged on the inner side of the auxiliary valve seat 4, a threaded hole 8 is formed in the top of the valve plate 7, and the threaded hole 8 is used for fixedly connecting the valve plate 7 with other parts.

The working principle is as follows: when the device is used, firstly, the fixing plate 5 is fixed at a proper position through the positioning hole 51 on the fixing plate, under the action force of the reset spring 6, the auxiliary valve seat 4 can be well ensured to be tightly fixed on the main valve seat 1, the connection part of the main valve seat 1 and the auxiliary valve seat 4 can not sideslip and loosen, the design of the sawtooth convex block 41 further ensures that the main valve seat 1 and the auxiliary valve seat 4 can not sideslip, the first filling rubber 42 is filled at the inner side of the sawtooth convex block 41 after being pressed, the sealing performance of the connection part of the main valve seat 1 and the auxiliary valve seat 4 can be further ensured, the ceramic liner 2 utilizes the characteristic of strong corrosion resistance of ceramic materials to improve the service life of the whole valve seat, and further ensures that the leakage phenomenon caused by corrosion is not easy to occur when the valve is used, meanwhile, the buffer layer 10 between the ceramic liner 2 and the main valve seat 1 is used for buffering the impact received by the outer side of, the ceramic liner 2 is prevented from being damaged due to the direct impact of impact force.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a triangle circle double-piston interchangeable valve seat, includes main valve seat (1), vice valve seat (4) and valve plate (7), its characterized in that: the inner side of the main valve seat (1) is provided with a ceramic inner container (2), a through hole (3) is formed in the ceramic inner container (2), and the top of the main valve seat (1) is provided with an auxiliary valve seat (4).

2. The triangular ring dual piston interchangeable valve seat of claim 1 wherein: the outside of pottery inner bag (2) is equipped with buffer layer (10), and the one end of buffer layer (10) is equipped with chimb (101).

3. The triangular ring dual piston interchangeable valve seat of claim 1 wherein: the outer side of the auxiliary valve seat (4) is provided with a return spring (6), one end of the return spring (6) is provided with a fixing plate (5), and one end of the fixing plate (5) is provided with a positioning hole (51).

4. The triangular ring dual piston interchangeable valve seat of claim 1 wherein: the joint of the main valve seat (1) and the auxiliary valve seat (4) is provided with a sawtooth bump (41), and the inner side of the sawtooth bump (41) is provided with first filling rubber (42).

5. The triangular ring dual piston interchangeable valve seat of claim 4 wherein: the main valve seat (1) is connected with the auxiliary valve seat (4) and one end of the main valve seat is provided with an annular groove (9), and second filling rubber (91) is arranged inside the annular groove (9).

6. The triangular ring dual piston interchangeable valve seat of claim 1 wherein: the inner side of the auxiliary valve seat (4) is provided with a valve plate (7), and the top of the valve plate (7) is provided with a threaded hole (8).