CN211599544U

CN211599544U - Container valve of fire extinguishing agent bottle group

Info

Publication number: CN211599544U
Application number: CN201922289468.8U
Authority: CN
Inventors: 周福军
Original assignee: Ningbo Yinzhou Shengfu Valve Factory
Current assignee: Ningbo Yinzhou Shengfu Valve Factory
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-29
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a container valve of fire extinguishing agent bottle group, which comprises a valve body, a valve cover is arranged on the valve body, an air inlet cavity, an air outlet cavity and a running cavity are arranged in the valve body, the air inlet cavity is communicated with the running cavity through an air outlet hole, a first piston is arranged in the running cavity, the first piston is arranged between the air inlet cavity and the air outlet cavity, a first spring is arranged on the first piston, a starting seat is arranged on the valve cover, a starting core assembly is arranged in the starting seat, the starting core assembly comprises a second piston, a second spring and a push rod, the starting seat is provided with an air outlet, the second piston is arranged below the air outlet, the upper part of the push rod is connected with the second piston, the lower end of the push rod is arranged above the air outlet hole, the second spring is sleeved on the push rod, the upper end of the second spring is abutted against the lower end face of the second piston, the lower end of the second spring, the reliability of the product is ensured.

Description

Container valve of fire extinguishing agent bottle group

Technical Field

The utility model relates to a container valve especially relates to a container valve of fire extinguishing agent bottle group.

Background

The container valve is mainly used for sealing and storing the gas fire extinguishing agent, can be opened and released when a fire alarm occurs, and the conventional container valve is easy to generate misoperation, so that the fire extinguishing equipment is automatically opened, and certain economic loss and resource waste are caused to people.

SUMMERY OF THE UTILITY MODEL

To the current situation of the prior art, the technical problem to be solved by the utility model is to provide a container valve of fire extinguishing agent bottle group to solve the prior art problem.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a container valve of a fire extinguishing agent bottle group comprises a valve body, wherein a valve cover is arranged on the valve body, an air inlet cavity, an air outlet cavity and a running cavity are arranged in the valve body, the air inlet cavity is communicated with the running cavity through an air outlet hole, a first piston is arranged in the running cavity, the first piston is arranged between the air inlet cavity and the air outlet cavity, a first spring is arranged on the first piston, one end of the first spring is fixed at the top of the running cavity, the other end of the first spring is connected with the first piston, a starting seat is arranged on the valve cover, a starting core assembly is arranged in the starting seat, the starting core assembly comprises a second piston, a second spring and a push rod, an air outlet is formed in the starting seat, the second piston is arranged below the air outlet, the upper portion of the push rod is connected with the second piston, the lower end of the push rod is arranged above the air outlet hole, the second spring is sleeved on the push rod, and the, the lower end of the second spring is abutted against the inner wall of the operation cavity, and the starting core assembly is arranged to prevent misoperation of the valve, so that the reliability of the product is ensured.

Preferably, an air inlet pipe is arranged on the left side of the air inlet cavity, a switch nut is screwed on the air inlet pipe, a living body is arranged in the air inlet pipe, the switch nut is connected with the living body, and the opening and closing of the air inlet pipe can be controlled by arranging the switch nut and the living body.

Preferably, a push rod frame is arranged between the starting seat and the push rod, the push rod frame is sleeved at the front end of the push rod, the push rod frame increases the stress area of the push rod, and the push rod frame is convenient for workers to press.

Preferably, the front side of the air inlet cavity is provided with a safety relief device, the rear end of the safety relief device is communicated with the air inlet cavity, the front end of the safety relief device is connected with a safety screw plug, the stability of air pressure in the air inlet cavity is ensured by arranging the safety relief device, and the valve body damage caused by overlarge pressure in the air inlet cavity can be prevented.

Compared with the prior art, the utility model has the advantages of:

through the steerable container valve of mutually supporting of start-up core subassembly and first piston open or closed to prevent the malfunction that the valve produced, guaranteed the reliability of product, the utility model relates to a rationally, accord with the market demand, be fit for promoting.

Drawings

FIG. 1 is a main sectional view of the present invention;

fig. 2 is a side view of the present invention.

Detailed Description

As shown in the figure, the valve comprises a valve body 1, a valve cover 2 is arranged on the valve body 1, an air inlet cavity 9, an air outlet cavity 6 and a running cavity 4 are arranged in the valve body 1, the air inlet cavity 9 is communicated with the running cavity 4 through an air outlet hole, a first piston 3 is arranged in the running cavity 4, the first piston 3 is arranged between the air inlet cavity 9 and the air outlet cavity 6, a first spring 10 is arranged on the first piston 3, one end of the first spring 10 is fixed at the top of the running cavity 4, the other end of the first spring 10 is connected with the first piston 3, a starting seat 5 is arranged on the valve cover 2, a starting core assembly is arranged in the starting seat 5, the starting core assembly comprises a second piston 7, a second spring 8 and a push rod 16, an air outlet is arranged on the starting seat 5, the second piston 7 is arranged below the air outlet, the upper end of the push rod 16 is connected with the second piston 7, and the lower end of the, the second spring 8 is sleeved on the push rod 16, the upper end of the second spring 8 is abutted against the lower end face of the second piston 7, and the lower end of the second spring 8 is abutted against the inner wall of the operation cavity 4.

When the container valve is in a closed state, the upper end of the second piston 7 blocks the gas outlet, so that the gas in the operation cavity 4 cannot flow out of the valve body 1, the gas in the gas inlet cavity 9 enters the operation cavity 4 from the gas outlet, so that the gas pressure in the operation cavity 4 is balanced with the gas pressure in the gas inlet cavity 9, the first piston 3 blocks the gas outlet cavity 6 under the extrusion of the first spring 10, so that the gas in the gas inlet cavity 9 cannot flow out of the gas outlet cavity 6, when the container valve needs to be opened, a worker needs to press the push rod down, the push rod support can drive the push rod 16 to move downwards, the push rod 16 moves downwards to drive the second piston 7 to move downwards, so that the gas outlet is communicated, the gas in the operation cavity 4 can flow out of the valve body 1 from the gas outlet, meanwhile, the lower end of the push rod 16 blocks the gas outlet, so that the gas in the gas inlet cavity 9 cannot flow into the operation cavity 4, the gas enters the gas inlet cavity 9 from the gas inlet pipe 13, the first piston 3 is pushed to move upwards under the action of the pressure in the gas inlet cavity 9, so that the first piston 3 is staggered with the gas outlet cavity 6, at the moment, the gas inlet cavity 9 is communicated with the gas outlet cavity 6, the gas can flow into the gas outlet cavity 6 from the gas inlet cavity 9, when the valve is closed, the second piston 7 moves upwards under the action of the second spring 8 to block the gas outlet, the push rod 16 moves upwards to conduct the gas outlet, the gas in the gas inlet cavity 9 flows into the operation cavity 4 from the gas outlet, so that the gas pressure in the operation cavity 4 is balanced with the gas pressure in the gas inlet cavity 9, the first piston 3 moves downwards under the action of the first spring 10 to block the gas outlet cavity 6, so that, the mutually matched starting core assembly and the first piston 3 are arranged, so that the opening or closing of the container valve can be automatically controlled by utilizing the air pressure principle, the misoperation generated by the valve is prevented, and the reliability of a product is ensured.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A container valve of a fire extinguishing agent bottle group is characterized by comprising a valve body (1), wherein a valve cover (2) is arranged on the valve body (1), an air inlet cavity (9), an air outlet cavity (6) and a running cavity (4) are arranged in the valve body (1), the air inlet cavity (9) is communicated with the running cavity (4) through an air outlet hole, a first piston (3) is arranged in the running cavity (4), the first piston (3) is arranged between the air inlet cavity (9) and the air outlet cavity (6), a first spring (10) is arranged on the first piston (3), one end of the first spring (10) is fixed at the top of the running cavity (4), the other end of the first spring (10) is connected with the first piston (3), a starting seat (5) is arranged on the valve cover (2), a starting core assembly is arranged in the starting seat (5), and comprises a second piston (7), a second spring (8) and a push rod (16), the gas outlet has been seted up on start seat (5), and this second piston (7) set up the gas outlet below, and this push rod (16) upper portion is connected with second piston (7), and this push rod (16) lower extreme sets up in the venthole top, and this second spring (8) cover is established on push rod (16), and this second spring (8) upper end supports and leans on terminal surface under second piston (7), and this second spring (8) lower extreme supports and leans on operation chamber (4) inner wall.

2. A fire extinguishing agent bottle group container valve according to claim 1, characterized in that an air inlet pipe (13) is arranged at the left side of the air inlet cavity (9), a switch nut (11) is screwed on the air inlet pipe (13), a living body (12) is arranged in the air inlet pipe (13), and the switch nut (11) is connected with the living body (12).

3. The container valve of the fire extinguishing agent bottle group according to claim 2, characterized in that a push rod frame is arranged between the starting seat (5) and the push rod (16), and the push rod frame is sleeved at the front end of the push rod (16).

4. A container valve of fire extinguishing agent bottle group according to claim 3, characterized in that a safety relief device (15) is arranged at the front side of the air inlet chamber (9), the rear end of the safety relief device (15) is communicated with the air inlet chamber (9), and a safety screw plug (14) is connected to the front end of the safety relief device (15).