CN215720987U - Interactive locking pressure control valve for fire fighting - Google Patents
Interactive locking pressure control valve for fire fighting Download PDFInfo
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- CN215720987U CN215720987U CN202121948910.4U CN202121948910U CN215720987U CN 215720987 U CN215720987 U CN 215720987U CN 202121948910 U CN202121948910 U CN 202121948910U CN 215720987 U CN215720987 U CN 215720987U
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Abstract
The utility model relates to an interactive locking pressure control valve for fire fighting, which comprises a valve body, wherein a release channel is arranged in the valve body, a plurality of nozzles are arranged at the tail end of the release channel, and a fire extinguishing agent is suitable for being sprayed out from the nozzles through the release channel; an elastic sealing structure is arranged in the release channel and comprises a plug for plugging the release channel and a spring for providing pressing force for the plug, and the plug is suitable for compressing the spring under the pressure of the fire extinguishing agent and opening the release channel so as to release the fire extinguishing agent. The utility model has simple integral structure and reliable sealing and fire extinguishing performance.
Description
Technical Field
The utility model relates to the technical field of fire fighting equipment, in particular to an interactive locking pressure control valve for fire fighting.
Background
Among fire extinguishing equipment, many fire extinguishing equipments using aerosol generating agent as power source, especially perfluorohexanone-based liquid fire extinguishing agent, are commonly used as fire extinguishing agent due to its good fire extinguishing property. Perfluorohexanone is a liquid at normal temperature and pressure, and in a reusable fire extinguisher using perfluorohexanone as a fire extinguishing agent and a valve structure as a fire extinguishing nozzle, the valve is usually electrically or pressure activated. In order to prevent the liquid fire extinguishing agent from seeping out, the structure of the fire extinguishing agent is generally complex, other valves with simple structures do not have the leakage-proof performance or have poor leakage-proof performance, the fire extinguishing agent is easy to leak after being used or stored for a long time, and great inconvenience is brought to the use and the storage.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide an interactive locking pressure control valve for fire control to solve the problem that the traditional fire extinguisher valve is complex in structure and easy to leak.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The utility model provides an interactive locking pressure control valve for fire fighting, which is used for being installed on a fire extinguishing device and releasing a fire extinguishing agent in case of fire, and comprises a valve body, wherein a release channel is arranged in the valve body, the tail end of the release channel is provided with a plurality of nozzles, and the fire extinguishing agent is suitable for being sprayed out of the nozzles through the release channel; an elastic sealing structure is arranged in the release channel and comprises a plug for plugging the release channel and a spring for providing pressing force for the plug, and the plug is suitable for compressing the spring under the pressure of the fire extinguishing agent and opening the release channel so as to release the fire extinguishing agent.
Preferably, the release passage includes a main passage and a plurality of sub-passages for communicating the spout with the main passage.
Preferably, one end of the valve body is provided with a connecting piece for connecting with the fire extinguishing device, and the other end of the valve body is integrally provided with a plurality of nozzles; the main channel is arranged at the axle center of the connecting piece.
Preferably, the elastic sealing structure is located in the main channel, and the main channel is closed or opened by the plug.
Preferably, the spring is longitudinally arranged in the main channel, and one end of the plug is sleeved on the spring; the end part of the connecting piece is sleeved with a fixed cover, the center of the fixed cover is provided with an opening, the diameter of the opening is smaller than that of the main channel, and the other end of the plug is tightly pressed on the inner side of the opening under the elastic force of the spring and seals the opening.
Preferably, the fixed cover is detachably connected with the connecting piece through threads and interference fit, or is fixedly connected with the connecting piece through riveting and welding.
Preferably, the elastic sealing structure is positioned in the sub-channel, and the sub-channel is closed or opened by the plug.
Preferably, an aperture is arranged between the sub-channel and the nozzle, the spring is longitudinally arranged in the aperture, one end of the plug is sleeved on the spring, and the other end of the plug is pressed at the tail end of the sub-channel under the elasticity of the spring and seals the sub-channel.
Preferably, the outer side of the connecting piece is provided with an external thread for connecting with the fire extinguishing device.
Preferably, the plug is made of plastic.
The utility model adopts the technical scheme that a connecting piece is arranged at one end of a valve body and is used for being connected with a fire extinguishing device, a release channel for releasing a fire extinguishing agent is arranged in the connecting piece, and an elastic sealing structure is arranged in the release channel and mainly comprises a plug and a spring, wherein the plug is used for sealing the release channel, and the spring is used for providing pressing force required for sealing the release channel for the plug, so that the release channel can be simply and effectively sealed under normal conditions, the liquid or aerosol fire extinguishing agent in the fire extinguishing device is prevented from seeping out, when a fire disaster occurs, the high-pressure fire extinguishing agent can extrude the plug, and the plug can open the release channel after compressing the spring, so that the fire extinguishing agent enters the release channel from the fire extinguishing device and is sprayed outwards through a nozzle, and fire extinguishment is realized. The sealing structure has simple structure, few parts and simple and reliable action, and can not reduce the sealing performance and reliability even if being repeatedly used for many times and can not influence the fire extinguishing performance. Therefore, the utility model has simple integral structure and reliable sealing and fire extinguishing performance.
Drawings
Fig. 1 is a schematic overall structure diagram of an interactive locking pressure control valve for fire fighting in the first embodiment;
FIG. 2 is an exploded view of the interactive locking pressure control valve for fire fighting according to the first embodiment;
FIG. 3 is a schematic cross-sectional view of an interactive locking pressure control valve for fire fighting according to the first embodiment;
fig. 4 is an exploded schematic view of the interactive locking pressure control valve for fire fighting in the second embodiment;
fig. 5 is a schematic cross-sectional view of the interactive locking pressure control valve for fire fighting in the second embodiment.
The implementation of the objects of the present invention and their functions and principles will be further explained in the detailed description with reference to the attached drawings.
Detailed Description
The following further description is made with reference to the drawings and specific embodiments.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a fire-fighting interactive locking pressure control valve 100, which is used for being installed on a fire-extinguishing device (not shown) to release a fire-extinguishing agent in case of a fire, the valve 100 mainly includes a valve body 1, one end of the valve body 1 has a connecting member 11 for connecting with the fire-extinguishing device; the other end is provided with a plurality of nozzles 12 for spraying fire extinguishing agent outwards, when the fire extinguishing agent is liquid, in order to improve the fire extinguishing efficiency, the nozzles 12 can be arranged into atomizing nozzles for spraying the foggy fire extinguishing agent, so as to increase the fire extinguishing area.
Further, as shown in fig. 2 and 3, a discharge passage 2 is provided inside the valve body 1, and the discharge passage 2 communicates the inside of the fire extinguishing apparatus with the plurality of nozzles 12. An elastic sealing structure 3 is arranged in the release passage 2, the elastic sealing structure 3 comprises a plug 31 and a spring 32, wherein the plug 31 is used for blocking the release passage 2 from the direction opposite to the flowing direction of the liquid or aerosol fire extinguishing agent, and the spring 32 provides pressing force for the plug 31, so that the plug 31 can keep the state of sealing the release passage 2 under the normal state, and good sealing performance can be realized when no fire occurs. Under normal conditions, even if the fire extinguishing agent in the fire extinguishing apparatus flows into the release passage 2, the fire extinguishing agent does not seep out because the elastic sealing structure 3 blocks the release passage 2 and prevents the fire extinguishing agent from flowing to the nozzle 12; in case of fire, a strong pressure is generated in the fire extinguishing apparatus, and the plug 31 compresses the spring 32 and moves backward under the strong pressure, thereby opening the discharge passage 2 so that the fire extinguishing agent can be sprayed from the nozzle 12 to extinguish the fire.
The release passage 2 includes a main passage 21 and a plurality of branch passages 22, the main passage 21 is disposed at the axial center of the connecting member 11, and the plurality of branch passages 22 are disposed at the end of the main passage 21 and communicate with the nozzles 12, so that each nozzle 12 can communicate with the main passage 21.
In this embodiment, the elastic sealing structure 3 is located in the main channel 21, and the main channel 21 is closed or opened by the plug 31. Specifically, the spring 32 is longitudinally disposed in the main channel 21, and one end of the plug 31 is sleeved on the spring 32. The end of the connecting member 11 is sleeved with a fixed cover 13, the center of the fixed cover 13 is provided with a circular opening 131, the diameter of the opening 131 is smaller than that of the main channel 21, the other end of the plug 31 is made of soft material, and the soft material is pressed on the inner side of the opening 131 under the elastic force of the spring 32 and seals the opening 131, so that the main channel 21 is sealed.
The fixing cover 13 may be detachably connected to the connecting member 11 by a screw thread or interference fit, or may be fixedly connected to the connecting member by riveting or welding. When the spring is installed, the plug 31 is firstly sleeved on the spring 32, then the spring 32 and the plug 31 are put into the main channel 21 together, and the natural length of the spring 32 is larger than that of the main channel 21. Then, the fixing cap 13 is covered and coupled with the coupling member 11, so that the stopper 31 maintains a tight state against the opening 131 by the elastic force of the spring 32 to achieve a reliable sealing performance.
In addition, this embodiment still is provided with external screw thread 111 in the outside of connecting piece 11 for be connected with extinguishing device, adopt threaded connection not only easy dismounting, can repetitious usage moreover.
The valve body 1 of this embodiment is made by metal material, and in order to improve the sealing performance of elastic seal structure 3, above-mentioned end cap 31 can adopt the plastic to make, and the plastic material is softer, can produce deformation after the pressurized, has better sealed effect to liquid and aerosol. Of course, in other embodiments, the plug 31 may also be made of silica gel or other materials.
It can be seen from the above that, the interactive locking pressure control valve 100 for fire fighting of this embodiment is simple and reliable in structure, and can effectively prevent liquid or aerosol fire extinguishing agent from seeping out from the nozzle 12, so that the fire extinguishing apparatus can be stored for a long time and used for many times.
Example two:
referring to fig. 4 and 5, the structure of the interactive locking pressure control valve 200 for fire fighting of the present embodiment is substantially the same as that described in the first embodiment, except that: the elastic sealing structure 3 is located in the sub-channel 22 and closes or opens the sub-channel 22 by the plug 31 to prevent the fire extinguishing agent from flowing into the nozzle 12 through the sub-channel.
Specifically, an orifice 23 is arranged between the branch channel 22 and the nozzle 12, the end of the branch channel 22 is communicated with the orifice 23, the spring 32 is longitudinally arranged in the orifice 23, one end of the plug 31 is sleeved on one end of the spring 32, and the other end of the plug 31 is pressed on the end of the branch channel 22 under the elastic force of the spring 32 and closes the branch channel 22.
In order to improve the fire extinguishing efficiency, the above-mentioned nozzle 12 is provided as an atomizing nozzle. Specifically, an atomizing member 24 is further disposed in the cavity 23, one end of the atomizing member 24 has a conical atomizing head, and the atomizing head abuts against the nozzle 12 to form an atomizing nozzle; the other end of the atomizing element 24 is sleeved on the other end of the spring 32, and has a certain distance with the plug 31. The working principle is that when a fire breaks out, high-pressure fire extinguishing agent generated in the fire extinguishing device sequentially enters the main channel 21 and the branch channel 22, the plug 31 compresses the spring 32 under strong pressure and moves backwards, so that the branch channel 22 is opened, the fire extinguishing agent enters the cavity 23, and as the pressure of the cavity 23 is gradually increased, the plug pushes open the atomizing head, so that the atomizing piece 24 compresses the spring 32 and opens the nozzle 12, and the fire extinguishing agent is sprayed outwards through the nozzle 12. Since the nozzle 12 and the atomizing head form an atomizing nozzle, the extinguishing agent sprayed outward is atomized, thereby increasing the extinguishing area.
Compared with the structure of the first embodiment, the present embodiment has the advantage that the elastic sealing structure 3 is arranged in the branch passage 22, so that the extreme cases such as the elastic sealing structure 3 being stuck can be dealt with. When one of the elastic sealing structure 3 is blocked to cause one of the nozzles 12 to be blocked, other nozzles 12 can be normally used, so that potential safety hazards of explosion and the like of the fire extinguishing device due to overlarge internal pressure caused by the fact that the elastic sealing structure 3 is blocked when a fire disaster happens are avoided, and the safety performance of a product is effectively improved.
In summary, the utility model adopts the technical scheme that a connecting piece is arranged at one end of a valve body and is used for being connected with a fire extinguishing device, a release channel for releasing a fire extinguishing agent is arranged in the connecting piece, and an elastic sealing structure is arranged in the release channel and mainly comprises a plug and a spring, wherein the plug is used for sealing the release channel, and the spring is used for providing pressing force for sealing the release channel for the plug, so that the release channel can be simply and effectively sealed under normal conditions, the liquid or aerosol fire extinguishing agent in the fire extinguishing device is prevented from seeping out, when a fire disaster occurs, the high-pressure fire extinguishing agent can press the plug, the plug can open the release channel after compressing the spring, the fire extinguishing agent enters the release channel from the fire extinguishing device and is sprayed outwards through a nozzle, and fire extinguishment is realized. The sealing structure has simple structure, few parts and simple and reliable action, and can not reduce the sealing performance and reliability even if being repeatedly used for many times and can not influence the fire extinguishing performance. Therefore, the utility model has simple integral structure and reliable sealing and fire extinguishing performance.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a fire control is with interactive locking pressure control valve for install on extinguishing device, release fire extinguishing agent when the conflagration breaing out, its characterized in that: the fire extinguishing valve comprises a valve body, wherein a release channel is arranged in the valve body, a plurality of nozzles are arranged at the tail end of the release channel, and the fire extinguishing agent is suitable for being sprayed out of the nozzles through the release channel; an elastic sealing structure is arranged in the release channel and comprises a plug for plugging the release channel and a spring for providing pressing force for the plug, and the plug is suitable for compressing the spring under the pressure of the fire extinguishing agent and opening the release channel so as to release the fire extinguishing agent.
2. A fire fighting interactive lock pressure control valve as defined in claim 1, wherein: the release passage comprises a main passage and a plurality of sub-passages, and the sub-passages are used for communicating the nozzle with the main passage.
3. A fire fighting interactive lock-up pressure control valve as defined in claim 2, wherein: one end of the valve body is provided with a connecting piece used for being connected with the fire extinguishing device, and the other end of the valve body is integrally provided with a plurality of nozzles; the main channel is arranged at the axle center of the connecting piece.
4. A fire fighting interactive lock-up pressure control valve as defined in claim 3, wherein: the elastic sealing structure is positioned in the main channel, and the main channel is closed or opened through the plug.
5. A fire fighting interactive lock-up pressure control valve as defined in claim 4, wherein: the spring is longitudinally arranged in the main channel, and one end of the plug is sleeved on the spring; the end part of the connecting piece is sleeved with a fixed cover, the center of the fixed cover is provided with an opening, the diameter of the opening is smaller than that of the main channel, and the other end of the plug is tightly pressed on the inner side of the opening under the elastic force of the spring and seals the opening.
6. A fire fighting interactive lock pressure control valve as defined in claim 5, wherein: the fixed cover is detachably connected with the connecting piece through threads and interference fit, or is fixedly connected with the connecting piece through riveting and welding.
7. A fire fighting interactive lock-up pressure control valve as defined in claim 3, wherein: the elastic sealing structure is positioned in the sub-channel and closes or opens the sub-channel through the plug.
8. A fire fighting interactive lock pressure control valve as defined in claim 7, wherein: and a cavity is arranged between the sub-channel and the nozzle, the spring is longitudinally arranged in the cavity, one end of the plug is sleeved on the spring, and the other end of the plug is pressed at the tail end of the sub-channel under the elasticity of the spring and seals the sub-channel.
9. A fire fighting interactive lock-up pressure control valve as defined in any one of claims 3-8, wherein: and the outer side of the connecting piece is provided with an external thread used for being connected with the fire extinguishing device.
10. A fire fighting interactive lock-up pressure control valve as defined in any one of claims 1-8, wherein: the plug is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948910.4U CN215720987U (en) | 2021-08-19 | 2021-08-19 | Interactive locking pressure control valve for fire fighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948910.4U CN215720987U (en) | 2021-08-19 | 2021-08-19 | Interactive locking pressure control valve for fire fighting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720987U true CN215720987U (en) | 2022-02-01 |
Family
ID=79998461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121948910.4U Active CN215720987U (en) | 2021-08-19 | 2021-08-19 | Interactive locking pressure control valve for fire fighting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720987U (en) |
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2021
- 2021-08-19 CN CN202121948910.4U patent/CN215720987U/en active Active
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