CN211231743U

CN211231743U - Automatic pressure relief ball valve of fire engine

Info

Publication number: CN211231743U
Application number: CN201922110809.0U
Authority: CN
Inventors: 梁业福; 陈星前
Original assignee: Taizhou Volla Fire Fighting Equipment Co ltd
Current assignee: Taizhou Volla Fire Fighting Equipment Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-08-11
Anticipated expiration: 2029-11-30

Abstract

The utility model discloses an automatic pressure release ball valve of fire engine, which comprises a valve body, still including the ball valve core that has the pressure release hole, the valve opening intercommunication in pressure release hole and the ball valve core, and the pressure release passageway that sets up on the intercommunication valve body, be located and be equipped with the sealed choke plug that can shutoff pressure release passageway in the pressure release passageway, the rear end of sealed choke plug is equipped with the spring, make sealed choke plug shutoff pressure release passageway by the elastic force of spring, automatic pressure release has, avoid pressure overload to damage fire-fighting equipment, guarantee the security of fire control work, promote the advantage of fire fighter's factor of safety.

Description

Automatic pressure relief ball valve of fire engine

Technical Field

The utility model relates to a fire control ball valve technical field, in particular to automatic pressure release ball valve of fire engine.

Background

Chinese patent application No. cn200920209862.x discloses an automatic pressure release ball valve of lumen, including valve body, spheroid, disk seat support, its characterized in that: the valve seat (2) is embedded into a groove at one end of the valve seat support (4), and a spring (3) is embedded into a groove at the other end of the valve seat support (4) and then arranged in a groove on the inner wall of the valve body (5). Compared with the prior art, the utility model, simple structure can not only let out the function of unnecessary pressure automatically, reduces the damage to valve equipment, and the disk seat support in the valve body plays interim instantaneous sealing effect under high temperature or the conflagration condition moreover.

Chinese patent application No. CN201820713612.9 discloses a pressure relief valve and a steam generating device using the same, the pressure relief valve includes a pressure relief valve housing, the pressure relief valve housing is provided with an inlet and a first outlet which are communicated, a channel through which the inlet and the first outlet are communicated is provided with a through hole, the pressure relief valve housing is further provided with a second outlet which can be communicated with the through hole; the inlet is used for communicating with the water outlet end of the water pump, and the first outlet is used for communicating with the steam generator; a blocking device used for blocking the through hole is arranged in the pressure relief valve shell, and an elastic device connected with the blocking device is further arranged in the pressure relief valve shell. After the pressure release valve is arranged on the steam generating device, when the steam generator is abnormally blocked, steam cannot be discharged from a steam outlet on the steam generator and only can flow into the pressure release valve from a first outlet, and because the water pump connected with the inlet is a one-way valve, when the air pressure in the pressure release valve reaches a set threshold value, the air pressure acts on the blocking device to deform the elastic device so as to open the through hole, and the steam is discharged from a second outlet to realize pressure release protection; when the steam generating device supplies air normally, the elastic device blocks the through hole.

The prior art is also a pressure relief valve, but is not a ball valve capable of relieving pressure.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automatic pressure release ball valve of fire engine, it has automatic pressure release, avoids pressure overload to damage fire-fighting equipment, the security of guarantee fire control work, the advantage that promotes fire fighter's factor of safety.

The above technical purpose of the present invention can be achieved by the following technical solutions:

automatic pressure release ball valve of fire engine, including the valve body, characterized by: the pressure relief valve is characterized by further comprising a ball valve core with a pressure relief hole, the pressure relief hole is communicated with a valve hole in the ball valve core and is communicated with a pressure relief channel arranged on the valve body, a sealing plug capable of plugging the pressure relief channel is arranged in the pressure relief channel, a spring is arranged at the rear end of the sealing plug, and the sealing plug is enabled to plug the pressure relief channel under the elastic action of the spring.

Through above-mentioned technical scheme, as preferred, the upper end of sealed choke plug stretches into the pressure release hole setting, and the rest of sealed choke plug upper end leans on sealedly with the valve body.

Through above-mentioned technical scheme, as preferred, the outer end threaded connection of the pressure release passageway of valve body has the spring holder, and the one end of spring is supported and is leaned on the spring holder. The sealing plug comprises a metal base body, a sealing gasket is arranged on the metal base body, and a bolt is fastened with the metal base body and fixes the sealing gasket.

Through the technical scheme, the front end of the valve body is provided with the flange plate, and the rear end of the valve body is provided with the threads.

Through above-mentioned technical scheme, as preferred, the axis of pressure release passageway and pressure release hole is located same straight line.

Through above-mentioned technical scheme, as preferred, the pressure release passageway is established under the valve body, and the downside at ball case is established to the pressure release hole, and the pressure release hole sets up with the valve opening is perpendicular.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the utility model discloses an automatic pressure release ball valve of fire engine has automatic pressure release, avoids pressure overload to damage fire-fighting equipment, the security of guarantee fire control work, promotes fire fighter's factor of safety's advantage.

2. The utility model discloses an automatic pressure release ball valve of fire engine, pressure release channel are located same straight line with the axis in pressure release hole, and this axis is the rotation axis of ball valve core simultaneously, and the ball valve core keeps normal rotation.

3. The utility model discloses an automatic pressure release ball valve of fire engine, simple structure, it is convenient to make, low in production cost, but the benefit of playing is very high, is fit for mass production and popularization.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic half-sectional view of the structure of the embodiment.

Reference numerals: 1. a valve body; 2. a pressure relief vent; 3. a ball valve core; 4. a valve bore; 5. a pressure relief channel; 6. sealing the plugging head; 7. a spring; 8. a spring seat; 9. a base body; 10. sealing gaskets; 11. a flange plate; 12. and (4) threading.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1.

Automatic pressure release ball valve of fire engine, including valve body 1, characterized by: still including the ball valve core 3 that has pressure release hole 2, pressure release hole 2 communicates with valve opening 4 in the ball valve core 3 to the pressure release passageway 5 that sets up on the intercommunication valve body 1 is located and is equipped with the sealed choke plug 6 that can shutoff pressure release passageway in the pressure release passageway 5, and the rear end of sealed choke plug 6 is equipped with spring 7, makes sealed choke plug 6 shutoff pressure release passageway 5 by the spring force of spring.

The upper end of the sealing plug head 6 extends into the pressure relief hole 2, and the rest part of the upper end of the sealing plug head is abutted against the valve body 1 for sealing.

The outer end of the pressure relief channel 5 of the valve body 1 is in threaded connection with a spring seat 8, and one end of the spring 7 abuts against the spring seat 8.

The axes of the pressure relief channel 5 and the pressure relief hole 2 are positioned on the same straight line.

Pressure release channel 5 establishes under the valve body, and pressure release hole 2 establishes the downside at the ball case, and pressure release hole 2 sets up with valve opening 4 is perpendicular.

The sealing plug comprises a metal base body 9, a sealing gasket 10 is arranged on the metal base body 9, and a bolt is fastened with the metal base body and fixes the sealing gasket.

The front end of the valve body is provided with a flange plate 11, and the rear end of the valve body is provided with threads 12.

Example 2.

Pressure release channel 5 establishes the upside at the valve body, and pressure release hole 2 establishes the upside at the ball case, and pressure release hole 2 sets up with valve opening 4 is perpendicular. In this embodiment the pressure relief channel 5 is to be merged with the handle, i.e. the pressure relief channel 5 may be arranged in the handle.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. Automatic pressure release ball valve of fire engine, including valve body (1), characterized by: still including ball valve core (3) that have pressure release hole (2), valve hole (4) intercommunication in pressure release hole (2) and ball valve core (3) to communicate pressure release passageway (5) that set up on valve body (1), be located to be equipped with in pressure release passageway (5) and can block up sealed choke plug (6) of pressure release passageway, the rear end of sealed choke plug (6) is equipped with spring (7), make sealed choke plug (6) shutoff pressure release passageway (5) by the spring force of spring.

2. The automatic pressure relief ball valve for the fire engine as recited in claim 1, wherein: the upper end of the sealing plug head (6) extends into the pressure relief hole (2) and the rest part of the upper end of the sealing plug head is abutted against the valve body (1) for sealing.

3. The automatic pressure relief ball valve for fire engine as claimed in claim 2, wherein: the outer end of the pressure relief channel (5) of the valve body (1) is connected with a spring seat (8) in a threaded mode, and one end of a spring (7) abuts against the spring seat (8).

4. The automatic pressure relief ball valve for the fire engine as recited in claim 1, wherein: the axes of the pressure relief channel (5) and the pressure relief hole (2) are positioned on the same straight line.

5. The automatic pressure relief ball valve for the fire engine as recited in claim 4, wherein: pressure release channel (5) are established under the valve body, and pressure release hole (2) are established at the downside of ball case, and pressure release hole (2) set up with valve hole (4) are perpendicular.

6. The automatic pressure relief ball valve for fire engine as claimed in claim 2, wherein: the sealing plug comprises a metal base body (9), a sealing gasket (10) is arranged on the metal base body (9), and the bolt is fastened with the metal base body and fixes the sealing gasket.

7. The automatic pressure relief ball valve for the fire engine as recited in claim 1, wherein: the front end of the valve body is provided with a flange (11), and the rear end of the valve body is provided with a thread (12).