CN219242793U

CN219242793U - Air seal type valve

Info

Publication number: CN219242793U
Application number: CN202320034024.3U
Authority: CN
Inventors: 袁剑
Original assignee: Sichuan Scgute Valve Manufacturing Co ltd
Current assignee: Sichuan Scgute Valve Manufacturing Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-23
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses an air seal type valve which comprises a valve body, a valve seat, a valve plate and a valve rod, wherein a first sealing plate and a second sealing plate are fixedly connected to the inside of the valve seat, a first sealing gasket is fixedly connected to the inner wall of the first sealing plate, a second sealing gasket is fixedly connected to the inside of the second sealing plate, a second cavity is arranged between the first sealing plate and the second sealing plate, a first cavity is arranged below the second sealing plate, a gas detector is fixedly connected to the lower end of the second sealing plate, a return pipe is fixedly connected to one side of the valve seat, a one-way valve is arranged at the opening of one end of the return pipe, and a fan is fixedly connected to the inside of the return pipe. Through setting up first closing plate, first cavity, stranded the gas of leaking and seal, prevent that gas from leaking, through setting up second closing plate, second cavity, to inside filling gas, prevent that the gas of leaking from entering into in the second cavity, improve the gas seal effect.

Description

Air seal type valve

Technical Field

The utility model relates to the technical field of valves, in particular to an air seal type valve.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be divided into a shutoff valve, a check valve, a regulating valve and the like according to the functions of the valve, and the valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting or overflow pressure relief and the like. Valves for fluid control systems range from the simplest shut-off valves to the various valves used in extremely complex automatic control systems, which are quite diverse in variety and specification.

The valve rod and the valve plate are used for controlling the opening and closing of the common valve, the valve plate can be worn by the valve plate and the valve body after long-time rotation of the valve plate, and then leakage of media is easy to occur, and the valve rod and the valve plate are required to be frequently detected or replaced, so that the use of a user is influenced.

Disclosure of Invention

The utility model aims to provide an air sealing valve, which can seal leaked gas by virtue of a second sealing plate and a first chamber, prevent the gas from leaking, and fill the gas into the second chamber by virtue of the second sealing plate and the second chamber, so that the leakage gas is prevented from entering the second chamber, and the air sealing effect is improved.

To achieve the above object, there is provided a gas seal type valve comprising: the valve comprises a valve body, a valve seat, a valve plate and a valve rod, wherein a first sealing plate and a second sealing plate are fixedly connected to the interior of the valve seat, a first sealing gasket is fixedly connected to the inner wall of the first sealing plate, and a second sealing gasket is fixedly connected to the interior of the second sealing plate;

the device comprises a first sealing plate, a second sealing plate, a gas detector, a return pipe, a check valve, a fan and a fan, wherein the second chamber is arranged between the first sealing plate and the second sealing plate, the first chamber is arranged below the second sealing plate, the gas detector is fixedly connected to the lower end of the second sealing plate, the return pipe is fixedly connected to one side of the valve seat, the check valve is arranged at the opening of one end of the return pipe, and the fan is fixedly connected to the interior of the return pipe.

According to the air seal type valve, the upper end of the valve body is fixedly connected with a valve seat, a valve rod penetrates through the valve seat, and the lower end of the valve rod is fixedly connected with a valve plate.

According to the air seal type valve, the upper end of the valve seat is fixedly connected with the connecting plate.

According to the air seal type valve, the upper end of the valve rod is fixedly connected with a rotating plate.

According to the gas seal type valve, the first sealing plate is located above the second sealing plate.

According to the air seal type valve, one side of the valve seat is penetrated with an air inlet pipe.

According to the air seal type valve, the valve rod penetrates through the first sealing plate and the second sealing plate.

According to the air seal type valve, one end of the return pipe penetrates through the valve body, and the other end of the return pipe penetrates through the valve seat.

The utility model aims to provide an air seal type valve, which has the main innovation points:

1. this gas seal formula valve through setting up first closing plate, first cavity, stranded the seal to the gas of leaking, prevents that gas from leaking, through setting up second closing plate, second cavity, to inside filling gas, prevents that the gas of leaking from entering into in the second cavity, improves the gas seal effect.

2. According to the air seal type valve, leaked gas is redirected into the valve body through the arrangement of the gas detector, the fan, the backflow pipe and the one-way valve.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is a perspective view of an air seal valve according to the present utility model;

FIG. 2 is a cross-sectional view of a gas seal valve according to the present utility model;

FIG. 3 is a schematic diagram illustrating the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic structural diagram of fig. 2B according to the present utility model.

Legend description:

1. a valve body; 2. a valve seat; 3. a connecting plate; 4. a return pipe; 5. a valve plate; 6. a valve stem; 7. an air inlet pipe; 8. a first chamber; 9. a second chamber; 10. a first sealing plate; 11. a first gasket; 12. a one-way valve; 13. a fan; 14. a second sealing plate; 15. a second gasket; 16. a gas detector; 17. and rotating the plate.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, an air seal type valve according to an embodiment of the present utility model includes a valve body 1, a valve seat 2, a valve plate 5, and a valve rod 6, wherein a first sealing plate 10 and a second sealing plate 14 are fixedly connected to the interior of the valve seat 2, a first sealing pad 11 is fixedly connected to an inner wall of the first sealing plate 10, a second sealing pad 15 is fixedly connected to the interior of the second sealing plate 14, and leakage gas is trapped and sealed by setting the first sealing plate 10 and the first chamber 8, so as to prevent leakage gas;

the second chamber 9 is arranged between the first sealing plate 10 and the second sealing plate 14, the second sealing plate 14 and the second chamber 9 are arranged, gas is filled into the second chamber 9, the gas leakage is prevented, the gas sealing effect is improved, the first chamber 8 is arranged below the second sealing plate 14, the gas detector 16 is fixedly connected to the lower end of the second sealing plate 14, the return pipe 4 is fixedly connected to one side of the valve seat 2, the check valve 12 is arranged at the opening of one end of the return pipe 4, the fan 13 is fixedly connected to the interior of the return pipe 4, and the leaked gas is guided into the valve body 1 again by arranging the gas detector 16, the fan 13, the return pipe 4 and the check valve 12.

The upper end fixedly connected with disk seat 2 of valve body 1, the inside of disk seat 2 runs through there is valve rod 6, the lower extreme fixedly connected with valve plate 5 of valve rod 6, the upper end fixedly connected with connecting plate 3 of disk seat 2, the upper end fixedly connected with rotor plate 17 of valve rod 6, first closing plate 10 is located the top of second closing plate 14, one side of disk seat 2 is run through there is intake pipe 7, the one end of intake pipe 7 is connected with the air pump, through setting up intake pipe 7, the convenience is to the gas of injection in the second cavity 9, valve rod 6 runs through first closing plate 10, second closing plate 14, valve body 1 is run through to the one end of back flow 4, the disk seat 2 is run through to the other end of back flow 4, be provided with the controller on the disk seat 2.

Working principle: when the air seal valve is used, a power supply is connected, gas is injected into the second chamber 9 through the air inlet pipe 7, when the gas leaks, the gas enters the first chamber 8, the gas detector 16 detects the gas, signals are transmitted to the controller, the controller controls the one-way valve 12 and the fan 13 to be opened, and the fan 13 blows the leaked gas into the valve body 1 through the return pipe 4.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A gas seal valve comprising: the valve comprises a valve body (1), a valve seat (2), a valve plate (5) and a valve rod (6), wherein a first sealing plate (10) and a second sealing plate (14) are fixedly connected to the inside of the valve seat (2), a first sealing pad (11) is fixedly connected to the inner wall of the first sealing plate (10), and a second sealing pad (15) is fixedly connected to the inside of the second sealing plate (14);

the novel air conditioner is characterized in that a second chamber (9) is arranged between the first sealing plate (10) and the second sealing plate (14), the first chamber (8) is arranged below the second sealing plate (14), the lower end of the second sealing plate (14) is fixedly connected with the air detector (16), one side of the valve seat (2) is fixedly connected with the return pipe (4), one end opening of the return pipe (4) is provided with the check valve (12), and the inside of the return pipe (4) is fixedly connected with the fan (13).

2. A gas seal type valve according to claim 1, wherein the upper end of the valve body (1) is fixedly connected with a valve seat (2), a valve rod (6) penetrates through the valve seat (2), and the lower end of the valve rod (6) is fixedly connected with a valve plate (5).

3. A gas seal type valve according to claim 1, wherein the upper end of the valve seat (2) is fixedly connected with a connecting plate (3).

4. A gas seal valve according to claim 1, characterized in that the upper end of the valve rod (6) is fixedly connected with a rotating plate (17).

5. A gas seal valve according to claim 1, wherein the first sealing plate (10) is located above the second sealing plate (14).

6. A gas seal valve according to claim 1, characterized in that one side of the valve seat (2) is penetrated by an air inlet pipe (7).

7. A gas seal valve according to claim 1, wherein the valve stem (6) extends through the first sealing plate (10), the second sealing plate (14).

8. A gas seal valve according to claim 1, characterized in that one end of the return tube (4) extends through the valve body (1), the other end of the return tube (4) extending through the valve seat (2).