CN219452982U

CN219452982U - Exhaust valve with buffer function

Info

Publication number: CN219452982U
Application number: CN202320245916.8U
Authority: CN
Inventors: 吴回水; 吴鸿伟
Original assignee: Shiyika Valve Co ltd
Current assignee: Shiyika Valve Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-08-01
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses an exhaust valve with a buffering function, which comprises a valve body, wherein an exhaust hole is formed in the side surface of the valve body, and the bottom of the valve body is fixedly connected with a mounting seat for fixedly mounting the valve body; the exhaust mechanism is arranged in the valve body and comprises a piston valve core which is connected to the inner wall of the valve body in a sliding manner, and exhaust assemblies are arranged on two sides of the top of the piston valve core. According to the utility model, gas is introduced from the bottom of the valve body, and under the action of the pressure of the gas, the piston valve core is driven to move upwards, and along with the continuous increase of the pressure of the gas in the valve body, the piston valve core moves to the upper part of the exhaust hole, so that the gas in the valve body is exhausted, after the high-pressure gas in the valve body is exhausted, the piston valve core is driven to rebound under the action of the elastic force of the first sleeve spring, and when the piston valve core rebounds, the piston valve core is buffered and protected under the action of the buffer block and the second sleeve spring, so that the service life of the piston valve core is prolonged.

Description

Exhaust valve with buffer function

Technical Field

The utility model relates to the technical field of exhaust valves, in particular to an exhaust valve with a buffer function.

Background

The exhaust valve is applied to pipelines of an independent heating system, a central heating system, a heating boiler, a central air conditioner, floor heating, a solar heating system and the like for exhausting, when gas overflows in the system, the gas can climb upwards along the pipelines and finally gather at the highest point of the system, the exhaust valve is generally arranged at the highest point of the system, when the gas enters the valve cavity of the exhaust valve and gathers at the upper part of the exhaust valve, the pressure rises along with the increase of the gas in the valve, when the pressure of the gas is higher than the pressure of the system, the gas can enable the water surface in the cavity to descend, the pontoon descends along with the water level, and the exhaust port is opened; after the air is exhausted, the water level rises, the pontoon rises along with the rise, and the air outlet is closed. In the same way, when negative pressure is generated in the system, the water surface in the valve cavity is lowered, and the exhaust port is opened, so that the atmosphere can enter the system through the exhaust port because the external atmospheric pressure is higher than the pressure of the system at the moment, and the harm of the negative pressure is prevented. If the valve cap on the vent valve body is screwed down, the vent valve stops venting, and the valve cap should normally be in an open state. The exhaust valve can also be matched with the isolating valve for use, so that the exhaust valve is convenient to overhaul.

The exhaust valve in the prior art does not have the function of buffering protection, and the valve core of the exhaust valve can be subjected to the acting force of the spring during rebound, so that the exhaust valve is easy to impact and damage, and the service life of the exhaust valve is further reduced.

Disclosure of Invention

The utility model aims to provide an exhaust valve with a buffer effect, gas is introduced from the bottom of a valve body and drives a piston valve core to move upwards under the pressure effect of the gas, the piston valve core moves to the upper part of an exhaust hole along with the continuous increase of the gas pressure in the valve body, so that the gas in the valve body is exhausted, after the high-pressure gas in the valve body is exhausted, the piston valve core is driven to rebound under the elastic effect of a first sleeve spring, and when the piston valve core rebounds, the piston valve core is buffered and protected under the effects of a buffer block and a second sleeve spring, so that the service life of the piston valve core is prolonged.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

an exhaust valve with cushioning effect comprising:

the side face of the valve body is provided with an exhaust hole, and the bottom of the valve body is fixedly connected with a mounting seat for fixedly mounting the valve body;

the exhaust mechanism is arranged in the valve body and comprises a piston valve core which is connected to the inner wall of the valve body in a sliding manner, and exhaust assemblies are arranged on two sides of the top of the piston valve core;

the buffer mechanism is arranged in the valve body and comprises a mounting ring fixedly connected to the inner wall of the valve body, and a plurality of buffer assemblies are arranged on the mounting ring at equal intervals.

Above-mentioned take discharge valve of cushioning effect, wherein, exhaust assembly is in including fixed connection installation sliding sleeve on the valve body inner wall, sliding connection has the exhaust slide bar on the installation sliding sleeve, the bottom fixedly connected with connecting block of exhaust slide bar, still overlap on the exhaust slide bar and be equipped with first cover spring.

Above-mentioned take discharge valve of cushioning effect, wherein, buffer unit includes sliding connection is in buffer slide bar on the collar, buffer slide bar's top fixedly connected with buffer block is located buffer block and the cover is equipped with the second cover spring on the buffer slide bar between the collar.

Above-mentioned take discharge valve of cushioning effect, wherein, the bottom fixedly connected with second anticreep piece of buffering slide bar.

Above-mentioned take discharge valve of cushioning effect, wherein, the top fixedly connected with blotter of buffer block.

Above-mentioned take discharge valve of cushioning effect, wherein, the top fixedly connected with of discharge slide bar is first anticreep piece.

Above-mentioned take discharge valve of cushioning effect, wherein, the bottom fixedly connected with sealing washer of mount pad.

The utility model has at least the following beneficial effects:

according to the utility model, the exhaust valve with the buffer effect is realized, gas is introduced from the bottom of the valve body and drives the piston valve core to move upwards under the pressure effect of the gas, the piston valve core moves to the upper part of the exhaust hole along with the continuous increase of the gas pressure in the valve body, so that the gas in the valve body is exhausted, after the high-pressure gas in the valve body is exhausted, the piston valve core is driven to rebound under the elastic effect of the first sleeve spring, and when the piston valve core rebounds, the buffer protection effect is realized on the piston valve core under the effects of the buffer block and the second sleeve spring, so that the service life of the piston valve core is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic perspective view of an exhaust valve with buffering function according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an exhaust valve with buffering function according to the present utility model;

FIG. 3 is a schematic view of the exhaust assembly of the exhaust valve with buffering function according to the present utility model;

fig. 4 is a schematic structural view of a buffer assembly in the exhaust valve with buffer function according to the present utility model.

Reference numerals illustrate:

1. a valve body; 2. An exhaust mechanism; 3. A buffer mechanism;

101. an exhaust hole; 102. A mounting base; 103. A seal ring;

201. a piston valve core; 202. An exhaust assembly;

2021. installing a sliding sleeve; 2022. an exhaust slide bar; 2023. a connecting block; 2024. a first sleeve spring; 2025. a first anti-drop block;

301. a mounting ring; 302. a buffer assembly;

3021. a buffer slide bar; 3022. a buffer block; 3023. a second set of springs; 3024. and the second anti-falling block.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Referring to fig. 1 to 4, an exhaust valve with buffering function according to an embodiment of the present utility model includes: the valve body 1, the side of the valve body 1 is provided with an exhaust hole 101, the bottom of the valve body 1 is fixedly connected with a mounting seat 102 for fixedly mounting the valve body 1;

the exhaust mechanism 2 is arranged in the valve body 1, the exhaust mechanism 2 comprises a piston valve core 201 which is connected to the inner wall of the valve body 1 in a sliding way, and exhaust assemblies 202 are arranged on two sides of the top of the piston valve core 201;

the buffer mechanism 3 is arranged in the valve body 1, the buffer mechanism 3 comprises a mounting ring 301 fixedly connected to the inner wall of the valve body 1, and a plurality of buffer assemblies 302 are arranged on the mounting ring 301 at equal intervals;

the exhaust assembly 202 comprises a mounting sliding sleeve 2021 fixedly connected to the inner wall of the valve body 1, an exhaust sliding rod 2022 is connected to the mounting sliding sleeve 2021 in a sliding manner, a connecting block 2023 is fixedly connected to the bottom of the exhaust sliding rod 2022, and a first sleeve spring 2024 is sleeved on the exhaust sliding rod 2022;

the buffer assembly 302 comprises a buffer slide rod 3021 slidably connected to the mounting ring 301, a buffer block 3022 is fixedly connected to the top of the buffer slide rod 3021, and a second set of springs 3023 is sleeved on the buffer slide rod 3021 between the buffer block 3022 and the mounting ring 301;

through adopting above-mentioned technical scheme, gas is let in by the bottom of valve body 1 to can drive piston case 201 under the pressure effect of gas, along with the inside gas pressure of valve body 1 constantly increases, piston case 201 can move to the top of exhaust hole 101, thereby make the inside gas discharge of valve body 1, after the inside high-pressure gas discharge of valve body 1, under the elasticity effect of first cover spring 2024, drive piston case 201 and kick-back, when piston case 201 kick-backs, can play the effect of buffering protection under buffer block 3022 and second cover spring 3023 to piston case 201, thereby improved piston case 201's life.

The bottom of the buffering slide bar 3021 is fixedly connected with a second anti-falling block 3024;

by adopting the technical scheme, the buffer slide bar 3021 is limited, and the buffer slide bar 3021 is prevented from being separated from the mounting ring 301 in the sliding process.

Wherein, the top of the buffer block 3022 is fixedly connected with a buffer pad;

by adopting the above technical solution, the buffering effect on the piston spool 201 is increased.

Wherein, a first anti-drop block 2025 is fixedly connected to the top of the exhaust sliding rod 2022;

by adopting the technical scheme, the limit function is achieved on the exhaust slide rod 2022, and the exhaust slide rod 2022 is prevented from being separated from the mounting slide sleeve 2021 in the sliding process.

Wherein, the bottom of the mounting seat 102 is fixedly connected with a sealing ring 103;

by adopting the above technical scheme, the tightness of the mounting seat 102 during mounting is increased.

The working principle of the utility model is as follows: the gas is introduced from the bottom of the valve body 1, and under the pressure effect of the gas, the piston valve core 201 is driven to move upwards, and along with the continuous increase of the gas pressure in the valve body 1, the piston valve core 201 can move to the upper part of the exhaust hole 101, so that the gas in the valve body 1 is exhausted, after the high-pressure gas in the valve body 1 is exhausted, under the elastic force of the first sleeve spring 2024, the piston valve core 201 is driven to rebound, and when the piston valve core 201 rebounds, the piston valve core 201 is buffered and protected under the action of the buffer block 3022 and the second sleeve spring 3023, so that the service life of the piston valve core 201 is prolonged.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. An exhaust valve with cushioning effect, comprising:

the valve comprises a valve body (1), wherein an exhaust hole (101) is formed in the side face of the valve body (1), and an installation seat (102) for fixedly installing the valve body (1) is fixedly connected to the bottom of the valve body (1);

the exhaust mechanism (2) is arranged in the valve body (1), the exhaust mechanism (2) comprises a piston valve core (201) which is connected to the inner wall of the valve body (1) in a sliding manner, and exhaust assemblies (202) are arranged on two sides of the top of the piston valve core (201);

the exhaust assembly (202) comprises a mounting sliding sleeve (2021) fixedly connected to the inner wall of the valve body (1), an exhaust sliding rod (2022) is connected to the mounting sliding sleeve (2021) in a sliding manner, a connecting block (2023) is fixedly connected to the bottom of the exhaust sliding rod (2022), and a first sleeve spring (2024) is sleeved on the exhaust sliding rod (2022);

the buffer mechanism (3) is arranged in the valve body (1), the buffer mechanism (3) comprises a mounting ring (301) fixedly connected to the inner wall of the valve body (1), and a plurality of buffer assemblies (302) which are arranged in an equidistant manner are arranged on the mounting ring (301);

the buffer assembly (302) comprises a buffer slide rod (3021) which is connected to the mounting ring (301) in a sliding mode, a buffer block (3022) is fixedly connected to the top of the buffer slide rod (3021), and a second sleeve spring (3023) is sleeved on the buffer slide rod (3021) between the buffer block (3022) and the mounting ring (301).

2. The cushioned exhaust valve of claim 1, wherein: the bottom of buffering slide bar (3021) fixedly connected with second anticreep piece (3024).

3. The cushioned exhaust valve of claim 1, wherein: the top of the buffer block (3022) is fixedly connected with a buffer pad.

4. The cushioned exhaust valve of claim 1, wherein: the top of the exhaust sliding rod (2022) is fixedly connected with a first anti-falling block (2025).

5. The cushioned exhaust valve of claim 1, wherein: the bottom of the mounting seat (102) is fixedly connected with a sealing ring (103).