CN216813115U - Safety pressure relief device for valve - Google Patents
Safety pressure relief device for valve Download PDFInfo
- Publication number
- CN216813115U CN216813115U CN202123283081.5U CN202123283081U CN216813115U CN 216813115 U CN216813115 U CN 216813115U CN 202123283081 U CN202123283081 U CN 202123283081U CN 216813115 U CN216813115 U CN 216813115U
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- pressure relief
- valve
- pipe
- transmission channel
- containing cavity
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Abstract
The utility model relates to the field of pressure relief of valves, in particular to a safety pressure relief device for a valve. The device comprises a valve, wherein a first pressure relief pipe is arranged on one side of the valve, a belly containing cavity is arranged on one side of the first pressure relief pipe, a second pressure relief pipe is arranged on the belly containing cavity, a first sealing sleeve is arranged on one side of the second pressure relief pipe, and a pressure relief port and a gas transmission channel are formed in the second pressure relief pipe; a threaded sleeve is arranged in the gas transmission channel, the threaded sleeve and the first sealing sleeve are in threaded connection with a threaded rod, the threaded rod penetrates through the threaded sleeve to be connected with a pressure relief plug, and the pressure relief plug is clamped at a pressure relief opening; and pressure relief channels penetrating through the second pressure relief pipes are arranged on two sides of the part, between the threaded sleeve and the pressure relief port, of the gas transmission channel. The utility model provides a safe pressure relief device for a valve, which is simple in structure and convenient to operate and can effectively prevent liquid in the valve from overflowing out of the valve from a pressure relief channel during pressure relief.
Description
Technical Field
The utility model provides a safety pressure relief device for a valve, and belongs to the field of pressure relief of valves.
Background
The valve is usually under strong air pressure, and if the valve is opened without pressure relief, the liquid in the valve may directly splash out of the valve, which results in resource waste.
The valve is usually depressurized by using a valve safety pressure relief device, but the existing valve safety pressure relief device cannot effectively prevent liquid in the valve from overflowing out of the valve from a pressure relief channel during pressure relief. Therefore, the utility model provides a safety pressure relief device for a valve, which solves the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a safe pressure relief device for a valve, which is simple in structure and convenient to operate and can effectively prevent liquid in the valve from overflowing out of the valve from a pressure relief channel during pressure relief.
The utility model provides a safe pressure relief device for a valve, which comprises the valve, wherein a first pressure relief pipe is arranged on one side of the valve, a belly containing cavity is arranged on one side of the first pressure relief pipe, which is far away from the valve, a second pressure relief pipe is arranged on the belly containing cavity, a first sealing sleeve is arranged on one side of the second pressure relief pipe, which is far away from the belly containing cavity, a pressure relief port and an air transmission channel are arranged in the second pressure relief pipe, the air transmission channel is communicated with the pressure relief port, and the air transmission channel is positioned on one side of the pressure relief port, which is far away from the belly containing cavity; a threaded sleeve is arranged in the gas transmission channel, the threaded sleeve and the first sealing sleeve are in threaded connection with a threaded rod, the threaded rod penetrates through the threaded sleeve to be connected with a pressure relief plug, the pressure relief plug is clamped at a pressure relief opening, and a sealing gasket is arranged on one side, close to the pressure relief opening, of the pressure relief plug; a limiting block is arranged on one side, away from the pressure relief plug, of the threaded rod, and a spring is arranged between the limiting block and the threaded sleeve; and pressure relief channels penetrating through the second pressure relief pipes are arranged on two sides of the part, located between the threaded sleeve and the pressure relief port, of the gas transmission channel.
And connecting rods are arranged on two sides of the outer surface of the second pressure relief pipe corresponding to two sides of the pressure relief channel, and a stop block is arranged on one side, far away from the second pressure relief pipe, of each connecting rod.
And a second sealing sleeve is arranged at the communication position of the first pressure relief pipe and the valve.
And the joint of the outer surfaces of the first pressure relief pipe, the belly containing cavity and the second pressure relief pipe is provided with a reinforcing block.
The threaded rod penetrates out of the first sealing sleeve and is connected with a screwing handle.
The utility model has the beneficial effects that:
be provided with first pressure relief pipe, second pressure relief pipe and hold tripe chamber, compare with prior art, when the release, can effectively prevent that the liquid in the valve from overflowing outside the valve from the pressure relief passageway.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial structural schematic diagram of the present invention.
FIG. 3 is an enlarged view of the structure of the present invention at A.
FIG. 4 is an enlarged view of the structure of the present invention at B.
(1, valve, 2, first pressure relief pipe, 3, abdomen containing cavity, 4, second pressure relief pipe, 5, pressure relief port, 6, gas transmission channel, 7, thread bush, 8, first sealing bush, 9, threaded rod, 10, pressure relief plug, 11, sealing gasket, 12, pressure relief channel, 13, limiting block, 14, spring, 15, connecting rod, 16, stop block, 17, second sealing bush, 18, reinforcing block, 19, twisting handle)
Detailed Description
The utility model provides a valve safety release device which characterized in that: the valve comprises a valve 1, wherein a first pressure relief pipe 2 is arranged on one side of the valve 1, a belly containing cavity 3 is arranged on one side, far away from the valve 1, of the first pressure relief pipe 2, a second pressure relief pipe 4 is arranged on the belly containing cavity 3, a first sealing sleeve 8 is arranged on one side, far away from the belly containing cavity 3, of the second pressure relief pipe 4, a pressure relief port 5 and an air transmission channel 6 are arranged inside the second pressure relief pipe 4, the air transmission channel 6 is communicated with the pressure relief port 5, and the air transmission channel 6 is located on one side, far away from the belly containing cavity 3, of the pressure relief port 5; a threaded sleeve 7 is arranged in the gas transmission channel 6, a threaded rod 9 is screwed on the threaded sleeve 7 and the first sealing sleeve 8, the threaded rod 9 penetrates through the threaded sleeve 7 to be connected with a pressure relief plug 10, the pressure relief plug 10 is clamped at the pressure relief opening 5, and a sealing gasket 11 is arranged on one side, close to the pressure relief opening 5, of the pressure relief plug 10; a limiting block 13 is arranged on one side, away from the pressure relief plug 10, of the threaded rod 9 on the threaded sleeve 7, and a spring 14 is arranged between the limiting block 13 and the threaded sleeve 7; and pressure relief channels 12 penetrating through the second pressure relief pipe 4 are arranged on two sides of the part, located between the threaded sleeve 7 and the pressure relief port 5, of the gas transmission channel 6.
Two sides of the outer surface of the second pressure relief pipe 4 are provided with connecting rods 15 corresponding to two sides of the pressure relief channel 12, and one side of each connecting rod 15, which is far away from the second pressure relief pipe 4, is provided with a stop block 16.
And a second sealing sleeve 17 is arranged at the communication part of the first pressure relief pipe 2 and the valve 1.
And reinforcing blocks 18 are arranged at the joints of the outer surfaces of the first pressure relief pipe 2, the belly containing cavity 3 and the second pressure relief pipe 4.
The threaded rod 9 penetrates out of the first sealing sleeve 8 and is connected with a screwing handle 19.
The utility model provides a safe pressure relief device for a valve, which is characterized in that when the safe pressure relief device is used, a threaded rod is moved towards the direction close to a belly containing cavity by rotating a twisting handle, a pressure relief plug is separated from a pressure relief opening, and gas in the valve is led out of the valve through a first pressure relief pipe, the belly containing cavity, a second pressure relief pipe, a gap between the pressure relief opening and the pressure relief plug, a gas transmission channel and a pressure relief channel in sequence to be relieved; when the pressure is relieved, the valve is in a negative pressure state, liquid in the valve possibly enters the first pressure relief pipe along with gas, the liquid entering the first pressure relief pipe enters the belly containing cavity and is intercepted by the belly containing cavity, and the liquid in the valve is prevented from overflowing out of the valve when the pressure is relieved.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a valve safety release device which characterized in that: the valve comprises a valve (1), wherein a first pressure relief pipe (2) is arranged on one side of the valve (1), a containing cavity (3) is arranged on one side, away from the valve (1), of the first pressure relief pipe (2), a second pressure relief pipe (4) is arranged on the containing cavity (3), a first sealing sleeve (8) is arranged on one side, away from the containing cavity (3), of the second pressure relief pipe (4), a pressure relief port (5) and an air transmission channel (6) are arranged inside the second pressure relief pipe (4), the air transmission channel (6) is communicated with the pressure relief port (5), and the air transmission channel (6) is positioned on one side, away from the containing cavity (3), of the pressure relief port (5); a threaded sleeve (7) is arranged in the gas transmission channel (6), a threaded rod (9) is screwed on the threaded sleeve (7) and the first sealing sleeve (8), the threaded rod (9) penetrates through the threaded sleeve (7) to be connected with a pressure relief plug (10), the pressure relief plug (10) is clamped at the pressure relief opening (5), and a sealing gasket (11) is arranged on one side, close to the pressure relief opening (5), of the pressure relief plug (10); a limiting block (13) is arranged on one side, away from the pressure relief plug (10), of the threaded rod (9) on the threaded sleeve (7), and a spring (14) is arranged between the limiting block (13) and the threaded sleeve (7); and pressure relief channels (12) penetrating through the second pressure relief pipes (4) are arranged on two sides of the part, located between the threaded sleeve (7) and the pressure relief port (5), of the gas transmission channel (6).
2. The safety pressure relief device for the valve according to claim 1, wherein: and connecting rods (15) are arranged on two sides of the outer surface of the second pressure relief pipe (4) corresponding to two sides of the pressure relief channel (12), and a stop block (16) is arranged on one side, far away from the second pressure relief pipe (4), of each connecting rod (15).
3. The safety pressure relief device for the valve according to claim 1, wherein: and a second sealing sleeve (17) is arranged at the communication position of the first pressure relief pipe (2) and the valve (1).
4. The safety pressure relief device for the valve according to claim 1, wherein: and a reinforcing block (18) is arranged at the joint of the outer surfaces of the first pressure relief pipe (2), the belly containing cavity (3) and the second pressure relief pipe (4).
5. The safety pressure relief device for the valve according to claim 1, wherein: the threaded rod (9) penetrates out of the first sealing sleeve (8) and is connected with a screwing handle (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123283081.5U CN216813115U (en) | 2021-12-24 | 2021-12-24 | Safety pressure relief device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123283081.5U CN216813115U (en) | 2021-12-24 | 2021-12-24 | Safety pressure relief device for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216813115U true CN216813115U (en) | 2022-06-24 |
Family
ID=82056897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123283081.5U Active CN216813115U (en) | 2021-12-24 | 2021-12-24 | Safety pressure relief device for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216813115U (en) |
-
2021
- 2021-12-24 CN CN202123283081.5U patent/CN216813115U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |