CN216382644U - High-pressure water mist quick exhaust valve - Google Patents
High-pressure water mist quick exhaust valve Download PDFInfo
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- CN216382644U CN216382644U CN202122750119.9U CN202122750119U CN216382644U CN 216382644 U CN216382644 U CN 216382644U CN 202122750119 U CN202122750119 U CN 202122750119U CN 216382644 U CN216382644 U CN 216382644U
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Abstract
The utility model relates to the technical field of fire fighting, in particular to a high-pressure water mist quick exhaust valve which comprises a valve body and a valve connecting body, wherein the valve body is connected with the valve connecting body, a first cavity and a plurality of exhaust ports which are communicated are formed in the valve body, a water inlet is formed in the valve connecting body, a cone valve core is arranged in the first cavity in a sliding mode, the water inlet is communicated with the first cavity through the cone valve core, the upper portion of the cone valve core is of a circular truncated cone structure, the lower portion of the cone valve core is of a cylindrical structure, an axial second cavity and a plurality of radially arranged shunting holes are formed in the cone valve core, and the shunting holes are communicated with the second cavity. The utility model can quickly discharge air in the pipeline in a high-pressure water mist fire extinguishing system with the pressure of more than or equal to 10MPa, solves the problem of long exhaust waiting time when the high-pressure water mist fire extinguishing system is started, and ensures that the system quickly responds to fire extinguishing.
Description
Technical Field
The utility model relates to the technical field of fire fighting, in particular to a high-pressure water mist quick exhaust valve.
Background
The high-pressure water mist fire extinguishing system is divided into an open system and a closed system, the closed system is filled with water with certain pressure all the time in a system pipe network, when a fire disaster occurs, a glass ball of a closed nozzle is heated and burst, a high-pressure pump set is automatically started, high pressure is formed by conversion, spraying is started, and the closed system pipe is filled with water all the time and does not need exhausting.
However, the open system has no water in the system pipe network at ordinary times, and because the distance that the high-pressure water mist fire extinguishing system can convey is long, the pipeline is very long and is filled with air, when the pump is started, the air in the pipeline needs to be discharged, the system can normally operate, the general exhaust time is long, and the response time of the spray head is influenced. The exhaust valve on the market at present is generally used in a heating ventilation system or a low-pressure system with the pressure lower than 1.6MPa, and cannot be used in a high-pressure water mist fire extinguishing system with the pressure more than or equal to 10MPa, so the utility model of the high-pressure water mist quick exhaust valve is particularly important.
Disclosure of Invention
The utility model provides a high-pressure fine water mist quick exhaust valve for solving the problem of long exhaust time of a high-pressure fine water mist fire extinguishing system, which can be used for the high-pressure fine water mist fire extinguishing system with the pressure of more than or equal to 10MPa to quickly exhaust air in a pipeline, so that the system can quickly respond to fire extinguishment.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a high pressure water mist quick exhaust valve, includes valve body and valve connector, the valve body is connected with the valve connector, set up the first cavity and a plurality of gas vent of intercommunication on the valve body, seted up the water inlet on the valve connector, it is equipped with the cone case to slide in the first cavity, the water inlet passes through cone case and first cavity intercommunication.
Further, valve body upper portion is hexagonal prism, the lower part is the cylinder section, cylinder section lower extreme is equipped with the internal thread, the valve connector is the cylinder type, valve connector upper end is equipped with the external screw thread, valve body and valve connector threaded connection, valve connector surface are provided with the hexagonal prism.
Further, a first sealing ring is arranged between the valve connecting body and the valve body.
Furthermore, the upper part of the cone valve core is of a truncated cone-shaped structure, the lower part of the cone valve core is of a cylindrical structure, the first cavity is a three-section type circular cavity, the middle part of the first cavity is a warp shrinking section, the warp shrinking section is matched with the truncated cone-shaped structure of the cone valve core, and a second sealing ring is arranged on the truncated cone-shaped structure of the cone valve core; the upper end of the water inlet is provided with a guide hole, and the cylindrical structure of the conical valve core is connected with the guide hole in a sliding manner.
Furthermore, an axial second cavity and a plurality of radially arranged shunting holes are formed in the conical valve core, and the shunting holes are communicated with the second cavity.
Furthermore, a signal hole is formed in the top of the valve body, a signal rod is connected to the top of the conical valve core and penetrates through the signal hole, and a third sealing ring is arranged on the signal hole.
Furthermore, a spring is sleeved on the signal rod, the upper end of the spring is in contact with the valve body, and the lower end of the spring is in contact with the top of the conical valve core.
Furthermore, the exhaust port is located hexagonal prism of valve body department, be equipped with hollow screw on the exhaust port, the one end that hollow screw is located the valve body is equipped with the fly net.
Further, the top of the valve body is provided with a marking screw.
Furthermore, the lower extreme of water inlet is equipped with the internal thread, the middle part of water inlet is equipped with the step hole, step hole radius is less than first cavity.
Through the technical scheme, the utility model has the beneficial effects that:
1. the utility model can be used for a high-pressure water mist fire extinguishing system with the pressure of more than or equal to 10MPa, water is introduced into a system pipeline, the pressure in the pipeline can push the cone valve core to slide upwards, the communication volume of the cone valve core and the first cavity is increased, air in the pipeline is quickly discharged from the exhaust port, the problem of long exhaust waiting time when the high-pressure water mist fire extinguishing system is started is solved, and the system can quickly respond to fire extinguishing.
2. According to the utility model, the insect-proof net is additionally arranged at the air outlet, so that when the high-pressure water mist fire extinguishing system does not work, mosquitoes can be prevented from entering the pipeline and blocking the spray head at the tail end of the pipeline.
3. When the quick exhaust valve is in an initial state, a signal rod on the conical valve core is flush with the upper end face of the valve body; when the quick exhaust valve is in a sealing state, the signal rod on the conical valve core is flush with the upper end face of the marking screw, and whether the quick exhaust valve has a fault or not can be judged by observing the position of the signal rod, so that the quick exhaust valve is convenient to overhaul in time.
Drawings
FIG. 1 is a sectional view showing an initial state of a high pressure water mist quick discharge valve according to the present invention.
FIG. 2 is a sectional view showing a sealing state of a high-pressure water mist quick exhaust valve according to the present invention.
FIG. 3 is a schematic structural view of a high-pressure water mist quick exhaust valve of the utility model.
The reference numbers in the drawings are as follows: 1 is a valve body, 101 is a first cavity, 102 is an exhaust port, 103 is a signal hole, 104 is a contracted section, 2 is a valve connector, 201 is a water inlet, 202 is a step hole, 203 is a guide hole, 3 is a cone valve core, 301 is a second cavity, 302 is a shunt hole, 303 is a signal rod, 4 is a first sealing ring, 5 is a second sealing ring, 6 is a spring, 7 is a third sealing ring, 8 is a marking screw, 9 is an insect-proof net, and 10 is a hollow screw.
Detailed Description
The utility model is further described with reference to the following figures and detailed description:
as shown in fig. 1-3, the high-pressure water mist quick exhaust valve comprises a valve body 1 and a valve connector 2, wherein the valve body 1 is connected with the valve connector 2, a first cavity 101 and a plurality of exhaust ports 102 which are communicated with each other are formed in the valve body 1, a water inlet 201 is formed in the valve connector 2, a cone valve core 3 is arranged in the first cavity 101 in a sliding manner, and the water inlet 201 is communicated with the first cavity 101 through the cone valve core 3. The upper part of the cone valve core 3 is of a truncated cone structure, the lower part of the cone valve core is of a cylindrical structure, the first cavity 101 is a three-section circular cavity, the middle part of the first cavity 101 is a warp shrinking section 104, the warp shrinking section 104 is matched with the truncated cone structure of the cone valve core 3, and a second sealing ring 5 is arranged on the truncated cone structure of the cone valve core 3; the upper end of the water inlet 201 is a guide hole 203, and the cylindrical structure of the cone valve core 3 is connected with the guide hole 203 in a sliding mode. The cone valve core 3 is provided with an axial second cavity 301 and a plurality of radially arranged diversion holes 302, and the diversion holes 302 are communicated with the second cavity 301. The quick exhaust valve is arranged at the highest point of the pipeline of the high-pressure fine water mist open fire extinguishing system, air in the pipeline enters the exhaust valve from the water inlet 201 when the quick exhaust valve is in an initial state, the air firstly enters the second cavity 301, the 1/3 part of the diversion hole 302 is communicated with the first cavity 101 when the quick exhaust valve is in the initial state, the air in the second cavity 301 enters the first cavity 101 through the diversion hole 302, and the air in the first cavity 101 is exhausted through the air outlet 102, so that the air pressure inside and outside the pipeline is consistent; when water is introduced into the pipeline, the water flow extrudes air to increase the air pressure in the pipeline, the conical valve core 3 is pushed to slide upwards, the communication part between the diversion hole 302 and the first cavity 101 is enlarged, and the exhaust speed is increased; when a large amount of water passes through the pipeline, the water can enter the exhaust valve from the water inlet 201 to push the conical valve core 3 to slide upwards, the pressure of the water on the conical valve core 3 is greater than the pressure of the air, the circular truncated cone curved surface of the conical valve core 3 is attached to the annular inclined surface 104, the exhaust valve is in a sealing state, and the second sealing ring 5 further prevents the water from flowing out of the exhaust valve.
The improved valve is characterized in that the upper portion of the valve body 1 is a hexagonal prism, the lower portion of the valve body is a cylindrical section, an internal thread is arranged at the lower end of the cylindrical section, the valve connector 2 is cylindrical, an external thread is arranged at the upper end of the valve connector 2, the valve body 1 is in threaded connection with the valve connector 2, a hexagonal prism is arranged on the outer surface of the valve connector 2, and the valve body 1 and the valve connector 2 are convenient to install manually due to the hexagonal prism structure.
A first sealing ring 4 is arranged between the valve connecting body 2 and the valve body 1, and the first sealing ring 4 is prevented from flowing out of the exhaust valve.
The top of the valve body 1 is provided with a signal hole 103, the top of the conical valve core 3 is connected with a signal rod 303, the signal rod 303 penetrates through the signal hole 103, and a third sealing ring 7 is arranged on the signal hole 103. The signal rod 303 is sleeved with a spring 6, the upper end of the spring 6 is in contact with the valve body 1, and the lower end of the spring 6 is in contact with the top of the cone valve core 3. And a marking screw 8 is arranged at the top of the valve body 1. When the valve body is in an initial state, the signal rod 303 on the cone valve core 3 is flush with the upper end surface of the valve body 1; when the quick exhaust valve is in a sealing state, the signal rod 303 on the conical valve core 3 is flush with the upper end face of the marking screw 8, and whether the quick exhaust valve has a fault or not can be judged by observing the position of the signal rod 303, so that the quick exhaust valve is convenient to overhaul in time.
The exhaust port 102 is located 1 hexagonal prism department of valve body, be equipped with hollow screw 10 on the exhaust port 102, the one end that hollow screw 10 is located 1 valve body is equipped with fly net 9, and when high-pressure fine water smoke fire extinguishing systems was out of work, fly net 9 can prevent that the mosquito from getting into the pipeline, causes the jam to the terminal shower nozzle of pipeline.
The lower end of the water inlet 201 is provided with an internal thread, the middle of the water inlet 201 is provided with a step hole 202, the radius of the step hole 202 is smaller than that of the first cavity 101, the internal thread is convenient for the exhaust valve to be connected with a pipeline, and the step hole 202 prevents the cone valve core 3 from sliding out of the guide hole 203.
The utility model is installed at the highest point of the pipeline of the high-pressure fine water mist open fire extinguishing system, and is connected with the pipeline through the internal thread arranged at the water inlet 201, when the quick exhaust valve is in an initial state, air in the pipeline enters the exhaust valve from the water inlet 201, the air firstly enters the second cavity 301, the 1/3 part of the shunting hole 302 is communicated with the first cavity 101 in the initial state, the air in the second cavity 301 enters the first cavity 101 through the shunting hole 302, and the air in the first cavity 101 is discharged out of the exhaust valve from the hollow screw 10 through the exhaust port 102; when water is introduced into the pipeline, the air pressure in the pipeline is increased, the conical valve core 3 is pushed to slide upwards, the spring 6 is contracted, the communication part between the shunting hole 302 and the first cavity 101 is increased, the exhaust speed is accelerated, the air in the pipeline is quickly exhausted, the problem that the exhaust waiting time is long when the high-pressure water mist fire extinguishing system is started is solved, and the system quickly responds to fire extinguishment; when a large amount of water passes through the water inlet 201, the water enters the exhaust valve to push the cone valve core 3 to slide upwards, the circular truncated cone curved surface of the cone valve core 3 is attached to the annular inclined surface 104, and the spring 6 is contracted to the minimum length, so that the exhaust valve is in a sealed state, water flow is prevented from overflowing, and the normal use of the pipeline is ensured; when the pipeline stops supplying water, the spring 6 pushes the cone valve core 3 to slide downwards, so that the exhaust valve returns to the initial state.
When the valve body is in an initial state, the signal rod 303 on the cone valve core 3 is flush with the upper end surface of the valve body 1; when the quick exhaust valve is in a sealing state, the signal rod 303 on the conical valve core 3 is flush with the upper end face of the marking screw 8, and whether the quick exhaust valve has a fault or not can be judged by observing the position of the signal rod 303, so that the quick exhaust valve is convenient to overhaul in time.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, so that all equivalent changes and modifications made according to the technical solutions described in the claims of the present invention should be included in the claims of the present invention.
Claims (10)
1. The utility model provides a thin water smoke quick release valve of high pressure, includes valve body (1) and valve connector (2), its characterized in that, valve body (1) is connected with valve connector (2), set up first cavity (101) and a plurality of gas vent (102) of intercommunication on valve body (1), seted up water inlet (201) on valve connector (2), it is equipped with awl case (3) to slide in first cavity (101), water inlet (201) are through awl case (3) and first cavity (101) intercommunication.
2. The high-pressure water mist quick exhaust valve according to claim 1, characterized in that the upper part of the valve body (1) is a hexagonal prism, the lower part of the valve body is a cylindrical section, the lower end of the cylindrical section is provided with an internal thread, the valve connector (2) is cylindrical, the upper end of the valve connector (2) is provided with an external thread, the valve body (1) is in threaded connection with the valve connector (2), and the outer surface of the valve connector (2) is provided with a hexagonal prism.
3. The high-pressure water mist quick exhaust valve according to claim 2, characterized in that a first sealing ring (4) is arranged between the valve connecting body (2) and the valve body (1).
4. The high-pressure water mist quick exhaust valve according to claim 1, characterized in that the upper part of the cone valve core (3) is of a circular truncated cone structure, the lower part of the cone valve core is of a cylindrical structure, the first cavity (101) is a three-section circular cavity, the middle part of the first cavity (101) is a contracted section (104), the contracted section (104) is matched with the circular truncated cone structure of the cone valve core (3), and a second sealing ring (5) is arranged on the circular truncated cone structure of the cone valve core (3); the upper end of the water inlet (201) is provided with a guide hole (203), and the cylindrical structure of the cone valve core (3) is in sliding connection with the guide hole (203).
5. The high-pressure water mist quick exhaust valve according to claim 4, characterized in that the conical valve core (3) is provided with an axial second cavity (301) and a plurality of radially arranged branch flow holes (302), and the branch flow holes (302) are communicated with the second cavity (301).
6. The high-pressure water mist quick exhaust valve according to claim 1 is characterized in that a signal hole (103) is formed in the top of the valve body (1), a signal rod (303) is connected to the top of the conical valve core (3), the signal rod (303) penetrates through the signal hole (103), and a third sealing ring (7) is arranged on the signal hole (103).
7. The high-pressure water mist quick exhaust valve according to claim 6, characterized in that a spring (6) is sleeved on the signal rod (303), the upper end of the spring (6) is in contact with the valve body (1), and the lower end of the spring is in contact with the top of the cone valve core (3).
8. The high-pressure water mist quick exhaust valve according to claim 2 is characterized in that the exhaust port (102) is located at a hexagonal prism of the valve body (1), a hollow screw (10) is arranged on the exhaust port (102), and an insect-proof net (9) is arranged at one end, located in the valve body (1), of the hollow screw (10).
9. The high-pressure water mist quick exhaust valve according to claim 1 is characterized in that a marking screw (8) is arranged at the top of the valve body (1).
10. The high-pressure water mist quick exhaust valve according to claim 1, wherein the lower end of the water inlet (201) is provided with an internal thread, the middle of the water inlet (201) is provided with a stepped hole (202), and the radius of the stepped hole (202) is smaller than that of the first cavity (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122750119.9U CN216382644U (en) | 2021-11-11 | 2021-11-11 | High-pressure water mist quick exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122750119.9U CN216382644U (en) | 2021-11-11 | 2021-11-11 | High-pressure water mist quick exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382644U true CN216382644U (en) | 2022-04-26 |
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ID=81252332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122750119.9U Active CN216382644U (en) | 2021-11-11 | 2021-11-11 | High-pressure water mist quick exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382644U (en) |
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2021
- 2021-11-11 CN CN202122750119.9U patent/CN216382644U/en active Active
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