CN210344304U - Automatic exhaust valve for water mist fire extinguishing system and water mist fire extinguishing system - Google Patents
Automatic exhaust valve for water mist fire extinguishing system and water mist fire extinguishing system Download PDFInfo
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- CN210344304U CN210344304U CN201921042404.1U CN201921042404U CN210344304U CN 210344304 U CN210344304 U CN 210344304U CN 201921042404 U CN201921042404 U CN 201921042404U CN 210344304 U CN210344304 U CN 210344304U
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- water mist
- extinguishing system
- mist fire
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Abstract
The utility model discloses a water smoke is automatic exhaust valve for fire extinguishing systems, including valve body and case, be equipped with valve pocket, inlet channel in the valve body and with the exhaust passage of valve pocket intercommunication, the case is close to inlet channel's one end is through locating the setting element location in the inlet channel, the case is close to exhaust passage's one end with support between the valve body and be equipped with elastic element, be equipped with in the case with the pressure-bearing chamber of inlet channel intercommunication and be used for the water conservancy diversion passageway of intercommunication pressure-bearing chamber and valve pocket. The utility model further discloses a thin water smoke fire extinguishing systems, including foretell thin water smoke automatic exhaust valve for fire extinguishing systems. The utility model has the advantages of simple structure, low cost, convenient use, etc.
Description
Technical Field
The utility model relates to a fire extinguishing systems especially relates to a thin water smoke fire extinguishing systems uses air relief valve and thin water smoke fire extinguishing systems.
Background
The automatic exhaust valve is a gas discharge device used for discharging air in the pipeline of the water mist fire extinguishing system so as to quickly fill the whole system pipeline with water. The existing large-scale application of the water mist fire extinguishing system is high-pressure water mist, the pressure of a pipe network is high, and the requirement on the structure of an exhaust valve is high. Some high-pressure water mist systems are not provided with an exhaust valve, air can be compressed in a system pipeline, gas in the pipeline cannot be discharged in time during fire extinguishing, fire is delayed to be extinguished, even the gas is conveyed to an ignition area, and the high-pressure water mist systems also have a combustion-supporting effect. Some exhaust valves are directly replaced by manual ball valves, manual operation is needed, and the use is inconvenient. The existing fire-fighting water fire-extinguishing system, such as a water spraying system, a water spraying system and the like, can only be used for a low-pressure system and cannot be used for high-pressure water mist occasions due to the fact that the working pressure is low and the adopted exhaust valve is easy to burst due to low pressure bearing capacity. The high-pressure automatic exhaust valve has a very complex structure and higher cost, so that the high-pressure automatic exhaust valve for high-pressure water mist in the current market is improved on the basis of the low-pressure automatic exhaust valve, and a floating ball is required. The floating ball is generally made of rubber, is easy to age and is unreliable in high-pressure occasions.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a simple structure, with low costs, convenient to use's automatic exhaust valve for water mist fire extinguishing systems.
The utility model discloses further provide the thin water smoke fire extinguishing systems who contains above-mentioned automatic exhaust valve.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a water smoke is automatic exhaust valve for fire extinguishing systems, includes valve body and case, be equipped with valve pocket, inlet channel in the valve body and with the exhaust passage of valve pocket intercommunication, the case is close to inlet channel's one end is through locating the setting element location in the inlet channel, the case is close to exhaust passage's one end with support between the valve body and be equipped with elastic element, be equipped with in the case with the pressure-bearing chamber of inlet channel intercommunication and be used for the water conservancy diversion passageway of intercommunication pressure-bearing chamber and valve pocket.
As a further improvement of the above technical solution: the valve cavity and one end of the valve core close to the exhaust passage are both conical and gradually reduced in diameter, and a first sealing element used for being matched with the conical surface of the valve cavity is arranged on the conical surface of the valve core.
As a further improvement of the above technical solution: the valve body is provided with a valve core, the valve core is arranged in the valve body, one end of the valve core, which is close to the exhaust channel, is provided with a guide rod, and the guide rod penetrates through the guide hole.
As a further improvement of the above technical solution: the guide rod is a stepped rod, the diameter of one end of the guide rod, which is connected with the valve core, is larger, and the elastic element is sleeved at the end, with the smaller diameter, of the guide rod and is abutted against the end, with the larger diameter, of the guide rod.
As a further improvement of the above technical solution: and one end of the guide rod with the larger diameter is provided with more than one second sealing element which is matched with the exhaust channel.
As a further improvement of the above technical solution: the positioning piece is a clamp spring.
As a further improvement of the above technical solution: and the valve body is provided with a threaded connecting part.
A water mist fire extinguishing system comprises the automatic exhaust valve for the water mist fire extinguishing system.
Compared with the prior art, the utility model has the advantages of: the utility model discloses an automatic exhaust valve for water mist fire extinguishing system, the valve core both ends are stabilized in the valve body through setting element and elastic element respectively, set up pressure-bearing chamber and water conservancy diversion passageway on the valve core, set up inlet channel, valve pocket and exhaust passage in the valve body, when filling water for the pipeline, the air in the original pipeline gushes into the pressure-bearing chamber, enters the valve pocket through the water conservancy diversion passageway, and discharge outside the valve body through the exhaust passage; when excessive water rapidly floods the pressure-bearing cavity, the exhaust passage can not rapidly evacuate fluid, the fluid forms pressure in the pressure-bearing cavity, the pressure overcomes the gravity of the valve core, the elasticity of the elastic element and the reverse pressure formed by the fluid in the valve cavity, the valve core is pushed to move upwards, and finally the exhaust passage is blocked.
The utility model discloses a thin water smoke fire extinguishing systems contains foretell thin water smoke automatic exhaust valve for fire extinguishing systems, therefore has above-mentioned advantage equally.
Drawings
FIG. 1 is a schematic structural view of an automatic exhaust valve for a water mist fire extinguishing system and the water mist fire extinguishing system.
The reference numerals in the figures denote: 1. a valve body; 11. a valve cavity; 12. an air intake passage; 13. an exhaust passage; 14. a guide hole; 15. a threaded connection; 2. a valve core; 21. a pressure-bearing cavity; 22. a flow guide channel; 3. a positioning member; 4. an elastic element; 5. a first sealing element; 6. a guide bar; 7. a second sealing element.
Detailed Description
The invention is described in further detail below with reference to the drawings and specific examples.
Fig. 1 shows the utility model discloses water mist is automatic exhaust valve's for fire extinguishing systems embodiment, the water mist is automatic exhaust valve for fire extinguishing systems of this embodiment, including valve body 1 and case 2, be equipped with valve pocket 11 in the valve body 1, inlet channel 12 reaches the exhaust passage 13 with the valve pocket 11 intercommunication, case 2 is close to inlet channel 12's one end (for the lower extreme in the drawing) and fixes a position through locating setting element 3 in inlet channel 12, case 2 is close to support between one end of exhaust passage 13 (for the upper end in the drawing) and the valve body 1 and is equipped with elastic element 4, be equipped with in the case 2 with the pressure-bearing chamber 21 of inlet channel 12 intercommunication and be used for communicateing pressure-bearing chamber 21 and valve pocket 11's water conservancy.
According to the automatic exhaust valve for the water mist fire extinguishing system, two ends of a valve core 2 are respectively stabilized in a valve body 1 through a positioning piece 3 and an elastic element 4, a pressure bearing cavity 21 and a flow guide channel 22 are arranged on the valve core 2, an air inlet channel 12, a valve cavity 11 and an exhaust channel 13 are arranged in the valve body 1, when a pipeline is filled with water, air in an original pipeline flows into the pressure bearing cavity 21 through the air inlet channel 12, enters the valve cavity 11 through the flow guide channel 22 and is exhausted out of the valve body 1 through the exhaust channel 13; when excessive water rapidly floods the pressure bearing cavity 21, the exhaust passage 13 cannot rapidly evacuate fluid, the fluid forms pressure in the pressure bearing cavity 21, the pressure overcomes the gravity of the valve core 2, the elastic force of the elastic element 4 and the reverse pressure formed by the fluid in the valve cavity 11, the valve core 2 is pushed to move upwards, and finally the exhaust passage 13 is blocked. And the outlet of the exhaust channel 13 can be arranged in a designated direction, which is convenient for prejudging the spraying direction of the air flow and the water flow and collecting the sprayed water flow.
Further, in the present embodiment, the valve cavity 11 and one end (upper end in the drawing) of the valve core 2 close to the exhaust passage 13 are both tapered and gradually reduced in diameter, and the first sealing element 5 for cooperating with the tapered surface of the valve cavity 11 is disposed on the tapered surface of the valve core 2. One end of the valve core 2 close to the exhaust channel 13 is arranged to be a conical structure, so that the first sealing element 5 is convenient to arrange, and the first sealing element 5 is not easy to fall off when air passes through, so that the reliability is higher; the valve cavity 11 and the valve core 2 are matched by adopting conical surfaces, and the valve core 2 can be matched with the valve cavity 11 to form good sealing when moving upwards, so that the water in the pipeline of the water mist fire extinguishing system can be filled with water and a certain pressure can be maintained.
Furthermore, in this embodiment, a guide rod 6 is disposed at one end of the valve core 2 close to the exhaust channel 13, a guide hole 14 is disposed on the valve body 1, and the guide rod 6 is disposed in the guide hole 14. Through the cooperation of guide bar 6 and guiding hole 14, guarantee that case 2 operates more steadily.
Furthermore, in the present embodiment, the guide rod 6 is a stepped rod, and the end connected to the valve core 2 has a larger diameter, and the elastic element 4 is sleeved on the end with the smaller diameter of the guide rod 6 and abuts against the end with the larger diameter of the guide rod 6. The guide rod 6 adopts a structure, so that the elastic element 4 is convenient to stabilize.
Furthermore, in this embodiment, the end of the guide rod 6 with the larger diameter is provided with two second sealing elements 7 for cooperating with the exhaust channel 13. By providing the second sealing element 7 between the guide rod 6 and the vent channel 13, the second sealing element 7 is embedded in the vent channel 13 when the valve element 2 moves upwards, forming a second layer of seal, so that the seal between the valve element 2 and the valve body 1 is tighter.
As a preferred technical scheme, in the embodiment, the positioning element 3 is a snap spring, so that the structure is simple and reliable, and the valve core 2 is convenient to assemble; the sealing elements can be, for example, conventional sealing rings or the like.
In the present embodiment, a threaded connection portion 15 is preferably provided on the valve body 1. The threaded connection part 15 is arranged, so that the exhaust valve can be conveniently installed in the water mist fire extinguishing system.
The water mist fire extinguishing system comprises the automatic exhaust valve for the water mist fire extinguishing system.
The water mist fire extinguishing system also has the advantages because the water mist fire extinguishing system comprises the automatic exhaust valve for the water mist fire extinguishing system.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the technical solution of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a water mist is automatic vent valve for fire extinguishing systems which characterized in that: including valve body (1) and case (2), be equipped with valve pocket (11), inlet channel (12) in valve body (1) and with exhaust passage (13) of valve pocket (11) intercommunication, case (2) are close to the one end of inlet channel (12) is fixed a position through locating setting element (3) in inlet channel (12), case (2) are close to the one end of exhaust passage (13) with support between valve body (1) and be equipped with elastic component (4), be equipped with in case (2) with inlet channel (12) the pressure-bearing chamber (21) of intercommunication and be used for communicating pressure-bearing chamber (21) and water conservancy diversion passageway (22) of valve pocket (11).
2. The automatic exhaust valve for water mist fire extinguishing system according to claim 1, wherein: the valve cavity (11) and one end of the valve core (2) close to the exhaust channel (13) are both conical and gradually reduced in diameter, and a first sealing element (5) used for being matched with the conical surface of the valve cavity (11) is arranged on the conical surface of the valve core (2).
3. The automatic exhaust valve for water mist fire extinguishing system according to claim 1, wherein: one end, close to the exhaust channel (13), of the valve core (2) is provided with a guide rod (6), a guide hole (14) is formed in the valve body (1), and the guide rod (6) penetrates through the guide hole (14).
4. The automatic exhaust valve for water mist fire extinguishing system according to claim 3, wherein: the guide rod (6) is a stepped rod, the diameter of one end of the guide rod (6) connected with the valve core (2) is larger, and the elastic element (4) is sleeved at the end, with the smaller diameter, of the guide rod (6) and is abutted against the end, with the larger diameter, of the guide rod (6).
5. The automatic exhaust valve for water mist fire extinguishing system according to claim 4, wherein: the end of the guide rod (6) with the larger diameter is provided with more than one second sealing element (7) which is used for being matched with the exhaust channel (13).
6. The automatic exhaust valve for water mist fire extinguishing system according to any one of claims 1 to 5, wherein: the positioning piece (3) is a clamp spring.
7. The automatic exhaust valve for water mist fire extinguishing system according to any one of claims 1 to 5, wherein: the valve body (1) is provided with a threaded connection part (15).
8. A water mist fire extinguishing system is characterized in that: automatic exhaust valve for water mist fire extinguishing system comprising any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042404.1U CN210344304U (en) | 2019-07-04 | 2019-07-04 | Automatic exhaust valve for water mist fire extinguishing system and water mist fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921042404.1U CN210344304U (en) | 2019-07-04 | 2019-07-04 | Automatic exhaust valve for water mist fire extinguishing system and water mist fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344304U true CN210344304U (en) | 2020-04-17 |
Family
ID=70193166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921042404.1U Active CN210344304U (en) | 2019-07-04 | 2019-07-04 | Automatic exhaust valve for water mist fire extinguishing system and water mist fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344304U (en) |
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2019
- 2019-07-04 CN CN201921042404.1U patent/CN210344304U/en active Active
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