CN218572711U - Foam generating gun for foam extinguishing agent - Google Patents
Foam generating gun for foam extinguishing agent Download PDFInfo
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- CN218572711U CN218572711U CN202222379915.0U CN202222379915U CN218572711U CN 218572711 U CN218572711 U CN 218572711U CN 202222379915 U CN202222379915 U CN 202222379915U CN 218572711 U CN218572711 U CN 218572711U
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- mixed liquid
- generating gun
- negative pressure
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Abstract
The utility model discloses a rifle takes place for foam extinguishing agent foam, take place the rifle body including the foam, the rear end and the front end that the rifle body was taken place to the foam have been seted up respectively along the axial and have been mixed liquid runner and foam blowout runner. Has the advantages that: the utility model discloses a mode that the negative pressure pump took the interior gas of stock solution bottle out forms the negative pressure in the stock solution bottle, the foam takes place the rifle body and makes the stock solution bottle utilize the negative pressure to take place the mixed liquid of the inside fire extinguishing agent of rifle body and the mixed liquid of air foam to inhale out the clearance through the mode of opening the stop valve when finishing using, thereby avoid mixed liquid of fire extinguishing agent and the mixed liquid of air foam to take place the rifle body inside at the foam and remain, then prevent that mixed liquid of fire extinguishing agent and the mixed liquid of air foam from taking place rifle body internal corrosion to the foam, be favorable to prolonging the life of the foam and take place the rifle body, the mode through the negative pressure imbibition simultaneously also can take place rifle body inside to dredge to the foam.
Description
Technical Field
The utility model relates to a foam extinguishing agent fire extinguishing systems auxiliary assembly field, concretely relates to rifle takes place for foam extinguishing agent foam.
Background
The foam fire-extinguishing agent can extinguish flammable and combustible liquid and mainly forms a condensed foam floating layer on the surface of the liquid to play the roles of suffocation and cooling. The foam extinguishing agent is divided into chemical foam, air foam, fluoroprotein foam, aqueous film forming foam, anti-dissolving foam and the like, and has wide application range, particularly, when the air foam extinguishing system is used, the sufficient degree of gas-liquid mixing is related to the foaming times of the foam extinguishing agent, the foaming times are important indexes of the system fire extinguishing efficiency, the pressures of air and the fire extinguishing agent are important factors influencing the foaming times, the parameters and the flow are controlled by mixing, foaming and spraying the air and the fire extinguishing agent through a foam generating gun, but when the existing foam generating gun is designed, the existing foam generating gun lacks necessary internal cleaning function, when the foam generating gun is used, the mixed liquid of the fire extinguishing agent and the mixed liquid of the air foam can be remained in the foam generating gun for a long time, and if the mixed liquid of the fire extinguishing agent and the mixed liquid of the air foam is not cleaned in time, certain corrosion can be generated inside the foam generating gun, and the service life of the foam generating gun is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rifle takes place for solving above-mentioned problem foam extinguishing agent foam, form the negative pressure through the mode that negative pressure pump took the interior gas of stock solution bottle out in the stock solution bottle, the foam takes place that the rifle body makes the stock solution bottle utilize the negative pressure to take place the mixed liquid of the inside fire extinguishing agent of rifle body and the mixed liquid of air foam to inhale out the clearance through the mode of opening the stop valve when finishing using with the foam, avoid here that the mixed liquid of fire extinguishing agent and the mixed liquid of air foam takes place the rifle body inside to remain at the foam, prevent then that the mixed liquid of fire extinguishing agent and air foam from mixing the liquid and taking place rifle body internal corrosion to the foam, describe in detail below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a foam extinguishing agent foam generating gun, including the foam generating gun body, the rear end and the front end of the foam generating gun body are respectively provided with a mixed liquid runner and a foam spraying runner along the axial direction, the foam generating gun body is coaxially provided with a communicated mixed diffusion cavity at the inner end of the mixed liquid runner, the foam generating gun body is coaxially provided with a communicated pressure stabilizing cavity at the inner end of the foam spraying runner, and the pressure stabilizing cavity is coaxially communicated with the mixed diffusion cavity;
the upper part of the rear end of the foam generating gun body extends outwards and is internally and coaxially provided with an air flow channel communicated with the mixed diffusion cavity;
the bottom surface that the rifle body was taken place to the foam install with the negative pressure imbibition subassembly that mixes the decompression chamber intercommunication for take place the rifle body at the foam and use the back through negative pressure imbibition subassembly will the remaining fire extinguishing agent mixed liquid of rifle body and the clearance is taken out to air foam mixed liquid.
Preferably, a mixed liquid pipe joint communicated with the mixed liquid flow channel is coaxially fixed at the rear end of the foam generating gun body, and an air pipe joint communicated with the air flow channel is coaxially fixed at the outer end extending outwards from the upper part of the rear end of the foam generating gun body.
Preferably, a foam spraying pipe communicated with the foam spraying flow channel is coaxially fixed at the front end of the foam generating gun body, a ferrule is coaxially and detachably connected to the outer end of the foam spraying pipe, and a foam dispersing plate is unfolded and sealed at the front end of the ferrule.
Preferably, the foam-blowing pipe is detachably connected to the ferrule by means of screw-fitting.
Preferably, the foam dispersion plate is a perforated circular plate.
Preferably, a grip for facilitating hand holding is vertically installed on the bottom surface of the foam generating gun body at a position close to the front end.
Preferably, the mixing diffusion cavity is conical, and the inner diameter of the mixing diffusion cavity close to the end part of the mixed liquid flow channel is larger than the inner diameter of the mixing diffusion cavity close to the end part of the pressure stabilizing cavity.
Preferably, the foam spraying flow channel is conical, and the inner diameter of the foam spraying flow channel close to the end part of the pressure stabilizing cavity is smaller than the inner diameter of the outer end of the foam spraying flow channel.
As preferred, negative pressure imbibition subassembly includes communicating pipe, stock solution bottle and negative pressure pump, vertical setting and the top of communicating pipe with mixed diffusion chamber is linked together, the bottom of communicating pipe with the stock solution bottle top the coaxial fixed intercommunication of feed liquor pipe, the mid-mounting of communicating pipe has the stop valve that is used for controlling the switching, the vertical fixed intercommunication in bottom of stock solution bottle has the fluid-discharge tube, just the fluid-discharge tube bottom can be dismantled and be connected with the end cap that is used for controlling the switching, the negative pressure pump is fixed the bottom surface of rifle body takes place for the foam, just the negative pressure pump pass through the exhaust tube with the upper portion of stock solution bottle is linked together.
Preferably, the air exhaust pipe, the communicating pipe, the liquid inlet pipe and the liquid discharge pipe are all transparent negative pressure pipes, the liquid storage bottle is a transparent hard plastic bottle, and the plug is detachably connected with the liquid discharge pipe in a threaded fit mode.
By adopting the foam generating gun for the foam extinguishing agent, particularly when the air foam fire extinguishing system is used, the mixed liquid pipe joint and the air pipe joint are respectively and fixedly connected with an external fire extinguishing agent mixed liquid supply hose and an air supply hose, the later fire extinguishing agent mixed liquid and air respectively enter the mixed diffusion cavity through the mixed liquid flow channel and the air flow channel to be mixed to obtain the air foam mixed liquid, the mixed diffusion cavity is conical, so that diffusion treatment can be carried out on the mixed air foam mixed liquid, the later air foam mixed liquid enters the pressure stabilizing cavity through the mixed diffusion cavity and is continuously conveyed forward to the foam spraying flow channel, finally the foam spraying flow channel is scattered by the foam scattering plate and then sprays foam to fire-fighting and fire-extinguishing positions, and the stop valve of the communicating pipe is in a closed state in the using process of the foam generating gun body, will after finishing using mixed liquid coupling with air coupling separately with external mixed liquid of fire extinguishing agent confession liquid hose and air feed hose separately, because the stop valve is in the closed condition, then start negative pressure pump work and will through the negative pressure pump will the mode that gas was taken out in the stock solution bottle forms the negative pressure in the stock solution bottle, later because the foam takes place the rifle body and has finished using, makes through the mode of opening the stop valve this moment the stock solution bottle utilizes the negative pressure will the mixed liquid of fire extinguishing agent and the mixed liquid of air foam of foam emergence rifle body is inhaled the clearance, and this in-process mixed liquid runner, steady voltage chamber and the liquid in the foam blowout runner is all inhaled behind the mixed diffusion chamber the process communicating pipe enters into in the stock solution bottle is inhaled the clearance, accessible repeated closing the stop valve makes behind the production negative pressure in the stock solution bottle open again the stop valve The mode many times right the foam takes place the inside imbibition clearance that carries on of rifle body to this avoids mixed liquid of fire extinguishing agent and air foam to mix the liquid and is in the foam takes place the rifle body is inside remains, prevents then that mixed liquid of fire extinguishing agent and air foam from mixing the liquid right the foam takes place rifle body internal corrosion, is favorable to the extension the life of rifle body is taken place to the foam, and the mode through negative pressure imbibition simultaneously also can be right the foam takes place rifle body inside and dredges.
The beneficial effects are that: the utility model discloses a mode that the negative pressure pump took the interior gas of stock solution bottle out forms the negative pressure in the stock solution bottle, the foam takes place the rifle body and makes the stock solution bottle utilize the negative pressure to take place the mixed liquid of the inside fire extinguishing agent of rifle body and the mixed liquid of air foam to inhale out the clearance through the mode of opening the stop valve when finishing using, thereby avoid mixed liquid of fire extinguishing agent and the mixed liquid of air foam to take place the rifle body inside at the foam and remain, then prevent that mixed liquid of fire extinguishing agent and the mixed liquid of air foam from taking place rifle body internal corrosion to the foam, be favorable to prolonging the life of the foam and take place the rifle body, the mode through the negative pressure imbibition simultaneously also can take place rifle body inside to dredge to the foam.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the present invention showing an integral shaft;
FIG. 2 is a first cross-sectional view of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view II of FIG. 1 in accordance with the present invention;
figure 4 is a front external view of figure 1 of the present invention;
figure 5 is a front cross-sectional view of the present invention from figure 1;
figure 6 is a right external view of figure 1 of the present invention;
fig. 7 is a bottom external view of fig. 1 according to the present invention.
The reference numerals are explained below:
1. a foam generating gun body; 101. an air tube connector; 102. a joint of a mixed liquid pipe; 103. a foam ejection pipe; 104. an air flow passage; 105. a mixed liquid flow channel; 106. a mixing and pressure-expanding cavity; 107. a voltage stabilizing cavity; 108. a foam ejection flow channel; 2. a foam dispersion cover; 201. a ferrule; 3. a grip; 4. a negative pressure imbibition assembly; 401. a negative pressure pump; 402. an air exhaust pipe; 403. a communicating pipe; 404. a liquid inlet pipe; 405. a liquid storage bottle; 406. a liquid discharge pipe; 407. a tip; 408. and a stop valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, the utility model provides a foam extinguishing agent foam takes place rifle, taking place rifle body 1 including the foam, the foam takes place rear end and the front end of rifle body 1 and has seted up mixed liquid runner 105 and foam blowout runner 108 along the axial respectively, and the foam takes place rifle body 1 and has seted up the mixed diffusion chamber 106 of intercommunication in the coaxial interior of mixed liquid runner 105, and the foam takes place rifle body 1 and has seted up the steady voltage chamber 107 of intercommunication in the coaxial inner of foam blowout runner 108, and steady voltage chamber 107 with mix the coaxial intercommunication in diffusion chamber 106. The upper part of the rear end of the foam generating gun body 1 extends outwards and is internally and coaxially provided with an air flow channel 104 communicated with a mixed diffusion cavity 106. The bottom surface of the foam generating gun body 1 is provided with a negative pressure liquid suction assembly 4 communicated with the mixed diffusion cavity 106, the negative pressure liquid suction assembly 4 is used for sucking and cleaning residual fire extinguishing agent mixed liquid and air foam mixed liquid of the foam generating gun body 1 through the negative pressure liquid suction assembly 4 after the foam generating gun body 1 is used, specifically, the negative pressure liquid suction assembly 4 comprises a communication pipe 403, a liquid storage bottle 405 and a negative pressure pump 401, preferably, the negative pressure pump 401 is glued to the bottom surface of the foam generating gun body 1, the communication pipe 403 is vertically arranged, the top end of the communication pipe 403 is communicated with the mixed diffusion cavity 106, the bottom end of the communication pipe 403 is coaxially and fixedly communicated with a liquid inlet pipe 404 at the top of the liquid storage bottle 405, a stop valve 408 for controlling opening and closing is arranged in the middle of the communication pipe 403, the bottom of the liquid storage bottle 405 is vertically and fixedly communicated with a liquid outlet pipe 406, the bottom end of the liquid outlet pipe 406 is detachably connected with the bottom end of the mixed diffusion cavity 106 for controlling opening and closing, the negative pressure pump 401 is fixed to the bottom surface of the foam generating gun body 1, the negative pressure pump 401 is communicated with the upper portion of the liquid storage bottle 405 through the air foam generating gun body 1, and the foam generating gun body is arranged so that the foam generating gun body 1 can utilize the residual fire extinguishing agent mixed liquid to prevent the mixed liquid from generating gun body 1 and the foam generating gun body 1 when the foam generating gun body 1 and the foam generating gun body 1.
Preferably, a mixed liquid pipe joint 102 communicated with the mixed liquid flow channel 105 is coaxially fixed at the rear end of the foam generating gun body 1, an air pipe joint 101 communicated with the air flow channel 104 is coaxially fixed at the outer end extending outwards from the upper part of the rear end of the foam generating gun body 1, preferably, the air pipe joint 101 and the mixed liquid pipe joint 102 are quick joints, the arrangement is convenient for fixedly connecting the mixed liquid pipe joint 102 and the air pipe joint 101 with an external fire extinguishing agent mixed liquid supply hose and an external air supply hose respectively and quickly separating from each other after use, a foam spraying pipe 103 communicated with the foam spraying flow channel 108 is coaxially fixed at the front end of the foam generating gun body 1, a ferrule 201 is coaxially and detachably connected at the outer end of the foam spraying pipe 103, and a foam spraying plate is unfolded and sealed at the front end of the ferrule 201 and arranged so as to spray foam after the air foam mixed liquid is sprayed and dispersed through the arrangement of the foam spraying plate.
The mixing diffusion cavity 106 is conical, the inner diameter of the mixing diffusion cavity 106 close to the end part of the mixed liquid channel 105 is larger than the inner diameter of the mixing diffusion cavity 106 close to the end part of the pressure stabilizing cavity 107, the foam spraying channel 108 is conical, the inner diameter of the foam spraying channel 108 close to the end part of the pressure stabilizing cavity 107 is smaller than the inner diameter of the outer end of the foam spraying channel 108, the foam spraying channel 108 is good in shape design and is connected and communicated with the pressure stabilizing pipe, the suction pipe 402, the communication pipe 403, the liquid inlet pipe 404 and the liquid outlet pipe 406 are all transparent negative pressure pipes, the liquid storage bottle 405 is a transparent hard plastic bottle, the liquid amount in the liquid storage bottle 405 can be directly observed, the liquid collected in the liquid storage bottle 405 can be timely discharged, the plug is detachably connected with the liquid outlet pipe 406 in a threaded fit mode, the plug is conveniently opened rapidly by screwing down the plug 406, and the liquid outlet pipe 405 can be discharged rapidly closed by screwing down the plug 406.
By adopting the structure, particularly in the use of the air foam fire extinguishing system, the connector 102 of the mixed liquid and the connector 101 of the air pipe are respectively and fixedly connected with the liquid supply hose and the air supply hose of the mixed liquid of the external fire extinguishing agent, then the mixed liquid of the fire extinguishing agent and the air enter the mixing diffusion cavity 106 through the air flow channel 104 of the mixed liquid channel 105 and are mixed to obtain the air foam mixed liquid, because the mixing diffusion cavity 106 is conical, the mixed air foam mixed liquid can be subjected to diffusion treatment, then the air foam mixed liquid enters the pressure stabilizing cavity 107 through the mixing diffusion cavity 106 and is continuously conveyed forward to the foam spraying channel 108, finally the air foam mixed liquid is sprayed out to the fire-starting position to extinguish fire by spraying foam to the outside after being scattered by the foam scattering plate, the stop valve 408 of the communicating pipe 403 is in the use process of the foam generating gun body 1 is in the closed state, after the use, the connector 102 of the mixed liquid and the connector 101 of the air pipe are respectively separated from the liquid supply hose and the air supply hose of the external fire extinguishing agent after being used, because the stop valve 408 is in the closed state, the pump 401 is started, and the suction mode of the suction gun 405 is used to suck the negative pressure generating gun 405 in the liquid bottle 405 and the negative pressure generating gun 405 through the suction mode of the suction gun 405 and the suction mode of the liquid bottle 403, the suction mode of the liquid bottle 405 is used to form the negative pressure generating gun body 405, the negative pressure generating gun is cleaned by the suction mode of the liquid bottle 405, avoid mixed liquid of fire extinguishing agent and air foam to mix liquid and take place 1 inside of rifle body and remain at the foam with this, prevent then that mixed liquid of fire extinguishing agent and air foam to mix liquid and take place 1 internal corrosion of rifle body to the foam, be favorable to the extension foam to take place the life of rifle body 1, also can take place 1 inside of rifle body to the foam through the mode of negative pressure imbibition to dredge simultaneously.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a rifle takes place for foam extinguishing agent foam, takes place rifle body (1) including the foam, its characterized in that: the rear end and the front end of the foam generating gun body (1) are respectively provided with a mixed liquid flow channel (105) and a foam spraying flow channel (108) along the axial direction, the inner end of the mixed liquid flow channel (105) of the foam generating gun body (1) is coaxially provided with a communicated mixed diffusion cavity (106), the inner end of the foam spraying flow channel (108) of the foam generating gun body (1) is coaxially provided with a communicated pressure stabilizing cavity (107), and the pressure stabilizing cavity (107) is coaxially communicated with the mixed diffusion cavity (106);
the upper part of the rear end of the foam generating gun body (1) extends outwards and is internally and coaxially provided with an air flow channel (104) communicated with the mixing and pressure expanding cavity (106);
the bottom surface that the rifle body (1) was taken place to the foam install with negative pressure imbibition subassembly (4) that mix diffusion chamber (106) intercommunication for take place the rifle body (1) at the foam and finish the back through negative pressure imbibition subassembly (4) will the foam takes place the remaining fire extinguishing agent of rifle body (1) and mixed liquid of air foam and absorbs out the clearance.
2. The fire foam generating gun as claimed in claim 1, wherein: the rear end of the foam generating gun body (1) is coaxially fixed with a mixed liquid pipe joint (102) communicated with the mixed liquid flow channel (105), and the outer end extending outwards at the upper part of the rear end of the foam generating gun body (1) is coaxially fixed with an air pipe joint (101) communicated with the air flow channel (104).
3. The fire foam generating gun as claimed in claim 2, wherein: the foam generating gun is characterized in that a foam ejecting pipe (103) communicated with the foam ejecting flow channel (108) is coaxially fixed at the front end of the foam generating gun body (1), a ferrule (201) is coaxially and detachably connected to the outer end of the foam ejecting pipe (103), and a foam ejecting plate is unfolded and sealed at the front end of the ferrule (201).
4. A fire foam generating gun as claimed in claim 3, wherein: the foam ejection pipe (103) is detachably connected with the ferrule (201) in a threaded fit mode.
5. A fire foam generating gun as claimed in claim 4, wherein: the foam dispersion plate is a porous circular plate.
6. The fire foam generating gun as claimed in claim 5, wherein: the bottom surface of the foam generating gun body (1) is vertically provided with a handle (3) which is convenient to hold by hand at a position close to the front end.
7. The fire foam generating gun as claimed in claim 6, wherein: the mixing diffusion cavity (106) is conical, and the inner diameter of the mixing diffusion cavity (106) close to the end part of the mixed liquid flow channel (105) is larger than the inner diameter of the mixing diffusion cavity (106) close to the end part of the pressure stabilizing cavity (107).
8. A fire foam generating gun as claimed in claim 7, wherein: the foam spraying flow passage (108) is conical, and the inner diameter of the end part, close to the pressure stabilizing cavity (107), of the foam spraying flow passage (108) is smaller than the inner diameter of the outer end of the foam spraying flow passage (108).
9. A foam generating gun as defined in any one of claims 2-8, wherein: negative pressure imbibition subassembly (4) include communicating pipe (403), stock solution bottle (405) and negative pressure pump (401), communicating pipe (403) vertical setting and top with mix and expand and press chamber (106) to be linked together, the bottom of communicating pipe (403) with feed liquor pipe (404) coaxial fixed intercommunication at stock solution bottle (405) top, the mid-mounting of communicating pipe (403) has stop valve (408) that are used for controlling the switching, the vertical fixed intercommunication in bottom of stock solution bottle (405) has fluid-discharge tube (406), just fluid-discharge tube (406) bottom can be dismantled and be connected with the end cap that is used for controlling the switching, negative pressure pump (401) are fixed the bottom surface of rifle body (1) takes place for the foam, just negative pressure pump (401) through aspiration tube (402) with the upper portion of stock solution bottle (405) is linked together.
10. The fire foam generating gun as claimed in claim 9, wherein: the suction pipe (402), the communicating pipe (403), the liquid inlet pipe (404) and the liquid discharge pipe (406) are all transparent negative pressure pipes, the liquid storage bottle (405) is a transparent hard plastic bottle, and the plug is detachably connected with the liquid discharge pipe (406) in a threaded fit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222379915.0U CN218572711U (en) | 2022-09-08 | 2022-09-08 | Foam generating gun for foam extinguishing agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222379915.0U CN218572711U (en) | 2022-09-08 | 2022-09-08 | Foam generating gun for foam extinguishing agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218572711U true CN218572711U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222379915.0U Active CN218572711U (en) | 2022-09-08 | 2022-09-08 | Foam generating gun for foam extinguishing agent |
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| Country | Link |
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| CN (1) | CN218572711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116688407A (en) * | 2023-08-09 | 2023-09-05 | 济俊消防科技有限公司 | Portable automatically regulated's foam fire extinguishing agent generator |
-
2022
- 2022-09-08 CN CN202222379915.0U patent/CN218572711U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116688407A (en) * | 2023-08-09 | 2023-09-05 | 济俊消防科技有限公司 | Portable automatically regulated's foam fire extinguishing agent generator |
| CN116688407B (en) * | 2023-08-09 | 2023-10-20 | 济俊消防科技有限公司 | Portable automatically regulated's foam fire extinguishing agent generator |
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