CN220204792U - Novel high-sealing self-closing angle valve - Google Patents

Abstract

The utility model provides a novel high-sealing self-closing angle valve, and belongs to the technical field of valves. It has solved the easy problem of gas leakage of current self-closing angle valve. The utility model provides a novel high sealed self-closing angle valve, including the main valve body, main valve body lateral part extends there is the self-closing valve body of band-pass, be equipped with the push rod that wears out by main valve body inside in the self-closing valve body and be connected with the push rod and can support the pressure disk on the self-closing valve body inner wall, the seal groove has been seted up to pressure disk end reason department, and install the sealing member in this seal groove, sealing member one side has the screens circle of axial outside extension, its opposite side has the sealing washer of axial outside extension, have on the pressure disk with the seal groove intercommunication and supply the screens circle card to go into the snap ring groove, have a plurality of pressfitting arch of sticising on screens circle surface on the cell wall of snap ring groove, the sealing washer extends outside the seal groove, corresponding sealing washer position department has outside axial bellied step on the self-closing valve body inner wall. The utility model has the advantages of strong sealing performance and improved use safety.

Description

Novel high-sealing self-closing angle valve

Technical Field

The utility model belongs to the technical field of valves, and relates to a self-closing angle valve, in particular to a novel high-sealing self-closing angle valve.

Background

The self-closing valve for pipeline gas is installed on the pipeline of low-pressure gas system, and when the gas supply pressure of pipeline is under-pressure or over-pressure, it can be automatically closed and opened manually without using electricity or other external power. The self-closing valves are classified into straight-through self-closing valves and self-closing angle valves according to the installation structure.

The self-closing angle valve is characterized in that a self-closing valve body with a vent pipe is usually extended at the side part of the main valve body, but the internal sealing performance of the self-closing valve body on the market at present is poor, and in the process of automatically closing when the gas is stopped or the gas pressure is reduced to a corresponding value, the problem of gas leakage is easily caused, and the use safety of a gas system is influenced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a novel high-sealing self-closing angle valve with strong sealing performance and improved use safety.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a novel self-closing angle valve of high seal, includes the main valve body, and main valve body lateral part extends there is the self-closing valve body of band-pass, its characterized in that, the self-closing valve body in be equipped with by the push rod of main valve body inside wearing out and be connected with the push rod and can support the pressure disk on the self-closing valve body inner wall, pressure disk end edge department seted up the seal groove, and install the sealing member in this seal groove, sealing member one side have the outside screens circle that extends of axial, its opposite side has the outside sealing washer that extends of axial, the pressure disk on have with the seal groove intercommunication and supply screens circle card to go into the clamping groove, the cell wall of clamping groove on have a plurality of pressfitting archs in screens circle surface of sticising, the sealing washer extend outside the seal groove, the self-closing valve body inner wall on corresponding sealing washer position department have outside axial bellied step portion, step portion on set up and supply the sealing washer to stretch into the sealed interval groove that forms sealed effect.

In the novel high-sealing self-closing angle valve, the sealing piece is made of rubber materials.

In the novel high-sealing self-closing angle valve, the inner wall of the self-closing valve body is provided with the extension layer for molding the step part.

Compared with the prior art, the novel high-sealing self-closing angle valve has the advantages of high-efficiency sealing and leakage prevention.

Drawings

FIG. 1 is a schematic diagram of the structure of the novel high-sealing self-closing angle valve.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.

In the figure, 1, a main valve body; 2. a self-closing valve body; 3. a push rod; 4. a pressure plate; 5. a seal; 6. sealing grooves; 7. a clamping ring; 8. a seal ring; 9. a snap ring groove; 10. pressing the bulges; 11. a step portion; 12. sealing the space groove; 13. an extension layer.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, the novel high-sealing self-closing angle valve comprises a main valve body 1, wherein a self-closing valve body 2 with a vent is arranged on the side part of the main valve body 1, a push rod 3 penetrating out from the inside of the main valve body 1 and a pressure plate 4 connected with the push rod 3 and capable of being abutted against the inner wall of the self-closing valve body 2 are arranged in the self-closing valve body 2, in the process of automatically closing when the air stopping or the air pressure drops to a corresponding value, the push rod 3 is contracted inwards (the action is a part of the conventional working principle of the self-closing angle valve, and is not repeated here), the pressure plate 4 can be pressed on the inner wall of the main valve body 1, a sealing groove 6 is formed at the end edge of the pressure plate 4, a sealing piece 5 is arranged in the sealing groove 6, one side of the sealing piece 5 is provided with a clamping ring 7 extending outwards in an axial direction, the other side of the sealing piece is provided with a clamping ring 8 extending outwards in an axial direction, a clamping ring groove 9 communicated with the sealing groove 6 and used for clamping the clamping ring 7, a plurality of pressing bulges 10 which are arranged on the wall of the clamping ring groove 9 and are pressed on the surface of the clamping ring 7, the sealing ring 8 extends out of the sealing ring 8, the sealing ring 8 is pressed outwards from the sealing groove 6, the sealing ring 8 corresponds to the position of the pressure plate 8 on the inner wall and the sealing plate 2 is provided with a sealing ring 8 and is provided with a sealing step 11 which is pressed outwards to the sealing ring 11, and is formed in the sealing groove 12, and is formed in a sealing groove 12, and is formed, and a sealing groove 12 is formed, and is pressed outwards, and a sealing groove is arranged in the sealing groove and has a sealing groove is formed; in addition, the clamping ring 7 forms a tight connection effect by the action of the pressing protrusions 10 when being installed in the pressure plate 4.

Preferably, the seal 5 is made of rubber material.

Preferably, the inner wall of the self-closing valve body 2 is provided with an extension layer 13 for molding the step 11.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the terms of the main valve body 1, the self-closing valve body 2, the push rod 3, the pressure plate 4, the seal 5, the seal groove 6, the click ring 7, the seal ring 8, the click ring groove 9, the pressing protrusion 10, the stepped portion 11, the inter-seal groove 12, the extension layer 13, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (3)

1. The utility model provides a novel self-closing angle valve of high seal, includes main valve body (1), and main valve body (1) lateral part extends there is self-closing valve body (2) of band-pass valve, its characterized in that, self-closing valve body (2) in be equipped with push rod (3) by main valve body (1) inside wearing out and be connected with push rod (3) and can support pressure disk (4) on self-closing valve body (2) inner wall, pressure disk (4) end edge department seted up seal groove (6), and install sealing member (5) in this seal groove (6), sealing member (5) one side have axially outwards extending screens circle (7), its opposite side have axially outwards extending sealing washer (8), pressure disk (4) on have with seal groove (6) intercommunication and supply screens circle (7) card go into snap ring groove (9), the cell wall on have a plurality of sticiss in pressfitting arch (10) on screens circle (7) surface, sealing washer (8) extend seal groove (6) outside, self-closing valve body (2) inner wall on (8) have corresponding sealing ring (8) position have and form sealing washer (11) outside the sealing groove (11) of stretching into.

2. The novel high-sealing self-closing angle valve according to claim 1, wherein the sealing element (5) is made of rubber materials.

3. The novel high-sealing self-closing angle valve according to claim 1, wherein the inner wall of the self-closing valve body (2) is provided with an extension layer (13) for molding the step part (11).