CN110393878B - Fire extinguisher for fire control - Google Patents
Fire extinguisher for fire control Download PDFInfo
- Publication number
- CN110393878B CN110393878B CN201910702270.XA CN201910702270A CN110393878B CN 110393878 B CN110393878 B CN 110393878B CN 201910702270 A CN201910702270 A CN 201910702270A CN 110393878 B CN110393878 B CN 110393878B
- Authority
- CN
- China
- Prior art keywords
- elastic
- tank body
- plate
- filter screen
- extrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/003—Extinguishers with spraying and projection of extinguishing agents by pressurised gas
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
- A62C99/0027—Carbon dioxide extinguishers
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Nozzles (AREA)
Abstract
The invention belongs to the technical field of fire-fighting facilities, in particular to a fire extinguisher for fire fighting; comprises a tank body; the tank body is filled with sodium bicarbonate solution, a conical flask is arranged in the tank body through a filter screen plate, and aluminum sulfate solution is filled in the conical flask; sealing plates are symmetrically hinged inside the conical bottle, and clamping grooves are formed in the upper end faces of the sealing plates; the bottom end of the sealing plate is connected with a compression spring; an elastic pressing plate is hinged to the side wall of the top end of the conical bottle through a hinge column, pressing steel balls are arranged on the lower surface of the elastic pressing plate, and the inner side wall of the elastic pressing plate is connected to the inner wall of the conical bottle through a tension spring; the pressing steel balls are pressed in the clamping grooves, and the radius of the clamping grooves is larger than that of the pressing steel balls; when the foam fire extinguisher is prevented from being toppled, the aluminum sulfate solution of the bottle body and the sodium bicarbonate solution are subjected to chemical reaction, and then the phenomenon of carbon dioxide is generated, so that the normal and safe use of the foam fire extinguisher is influenced.
Description
Technical Field
The invention belongs to the technical field of fire fighting facilities, and particularly relates to a fire extinguisher for fire fighting.
Background
A fire extinguisher is a device that extinguishes a fire using the cooling effect of a fire extinguishing agent or the effect of isolating oxygen.
Fire extinguishers can be classified into large-sized fire extinguishers having a fire extinguishing capacity of 10 or 20 units or more, or small-sized fire extinguishers having a fire extinguishing capacity of 1 unit or more, but the small-sized fire extinguishers are smaller than the large-sized fire extinguishers. Small fire extinguishers are generally designed for use in homes, workshops, offices, etc. due to their convenience in handling and transportation.
Fire extinguishers may also be classified into foam extinguishers, liquid-intensified extinguishers, halogen extinguishers, carbon dioxide extinguishers, or dry powder extinguishers, etc. according to the type of extinguishing agent filled in the body thereof. Since fire extinguishing agents are generally expensive, fire extinguishers using other fire extinguishing agents than dry powder fire extinguishing agents are generally used only for special occasions.
The foam extinguisher is filled with a mixed solution of sodium bicarbonate and foaming agent, and is also provided with a glass bottle inner container filled with an aluminum sulfate aqueous solution. When the device is used in a common mode, the cylinder body is turned upside down, the sodium bicarbonate solution and the aluminum sulfate solution are mixed to generate a chemical action, carbon dioxide gas foam is generated, the volume of the foam expands by 7-10 times, and the foam can be sprayed for about 10m generally.
When some current large-scale foam extinguisher were depositing, because the foam extinguisher puts out a fire through the carbon dioxide that sodium bicarbonate solution and aluminium sulfate solution chemical reaction produced, the glass bottle that the jar was placed is usually in open state, and then when the foam extinguisher took place to empty, the phenomenon that the aluminium sulfate solution that leads to placing in the glass bottle to appear leaking easily, and then makes sodium bicarbonate solution and aluminium sulfate solution take place the mixing reaction, and then has influenced the safety of foam extinguisher and has deposited.
Disclosure of Invention
In order to make up for the defects of the prior art, the fire extinguisher for fire fighting is mainly used for solving the problem that when the existing foam extinguisher is toppled, the aluminum sulfate solution placed in the glass bottle is easy to leak, so that the sodium bicarbonate solution and the aluminum sulfate solution are subjected to mixing reaction, and the safe storage of the foam extinguisher is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the fire extinguisher for fire fighting comprises a tank body, a valve, a spray pipe and a handle, wherein the tank body is provided with a water inlet and a water outlet; a valve is arranged above the tank body, a handle is arranged at the top end of the tank body, and the tank body is connected with a spray pipe; the tank body is filled with sodium bicarbonate solution, a conical flask is arranged in the tank body through a filter screen plate, and aluminum sulfate solution is filled in the conical flask; sealing plates are symmetrically hinged inside the conical bottle, and clamping grooves are formed in the upper end faces of the sealing plates; the bottom end of the sealing plate is connected with a compression spring; an elastic pressing plate is hinged to the side wall of the top end of the conical bottle through a hinge column, pressing steel balls are arranged on the lower surface of the elastic pressing plate, and the inner side wall of the elastic pressing plate is connected to the inner wall of the conical bottle through a tension spring; the pressing steel balls are pressed in the clamping grooves, and the radius of the clamping grooves is larger than that of the pressing steel balls; when the sealing device works, aluminum sulfate solution is filled into the conical flask, the sealing plate is symmetrically hinged inside the conical flask, the compression spring arranged at the bottom end of the sealing plate is in a compression state, the pressing steel balls arranged on the elastic pressing plate are clamped into the clamping groove, the tension spring arranged is in a tension state, the aluminum sulfate solution filled in the conical flask can be sealed through the matching of the pressing steel balls and the tension spring, and the sealed conical flask is fixed in the tank body through the filter screen plate; when a fire disaster occurs outside, a user inverts the tank body to enable the sodium bicarbonate solution in the tank body to be inverted to the top end of the tank body, meanwhile, the pressing steel balls arranged at the bottle mouth of the inverted conical bottle are separated from the clamping grooves under the action of self gravity, the elastic pressing plates can be opened by the gravity of the pressing steel balls, the hinged sealing plates can be driven by the self gravity and the reaction force of the compression spring, and then the aluminum sulfate solution in the conical bottle is mixed with the sodium bicarbonate solution in the tank body to generate a chemical reaction under the inverted state to generate a large amount of carbon dioxide gas, so that the fire extinguishing operation is performed; through the pressfitting steel ball that sets up and the cooperation of elasticity pressfitting board, can effectually seal the aluminium sulfate solution of placing in the erlenmeyer flask, prevent that the foam fire extinguisher from empting when ground, because the internal bottle of placing the aluminium sulfate solution of jar is in uncovered state, make the aluminium sulfate solution of bottle and sodium bicarbonate solution take place chemical reaction, and then produce the phenomenon of dioxygen carbon, and then influence the normal safe use of foam fire extinguisher.
Preferably, an elastic extrusion plate is slidably arranged inside the conical flask, and the top end of the elastic extrusion plate is connected to the top end of the sealing plate through a cavity elastic rope; an aluminum sulfate solution is filled above the elastic extrusion plate, an extrusion cavity is formed in the elastic extrusion plate, and the extrusion cavity is connected with the cavity elastic rope; the during operation, when the closing plate is opened under compression spring's thrust, the elasticity stripper plate can upwards slide along the erlenmeyer flask under the drive of cavity elasticity rope, make the interior aluminium sulfate solution of packing of erlenmeyer flask mix with sodium bicarbonate solution outside quick inflow erlenmeyer flask under the thrust of elasticity stripper plate, the elasticity stripper plate that upwards slides simultaneously can receive the extrusion and dwindle, and then make the gas in the extrusion intracavity enter into the cavity elasticity rope, and then make cavity elasticity rope produce the inflation, the cooperation of cavity elasticity rope and elasticity stripper plate after the inflation can stir aluminium sulfate solution, prevent that aluminium sulfate solution from producing the phenomenon of subsiding the dilution under placing for a long time.
Preferably, the top end of the conical flask is connected to the top end of the tank body through an elastic filter screen, the elastic filter screen is attached to the inner wall of the top end of the conical flask, an expansion cavity is formed in the elastic filter screen, and the expansion cavity is communicated with the cavity elastic rope through an air guide groove; when the device works, the arranged elastic filter screen can support the conical flask, so that the conical flask is prevented from shaking due to external vibration force; when the extrusion of upwards sliding of elasticity stripper plate, the gas in the extrusion intracavity enters into the inflation intracavity through leading the gas groove, and then makes the elasticity filter screen produce the inflation, and the mesh that the gas in the inflation intracavity can lead to the elasticity filter screen is outwards spout simultaneously, and the spun gas can increase the efficiency of the intensive mixing reaction of bicarbonate solution and aluminum sulfate solution, and then increases carbon dioxide's production rate.
Preferably, a sealing film is arranged on the outer side wall of the elastic filter screen, and the upper end and the lower end of the sealing film are pressed at the two end parts of the elastic filter screen; when the tank body is inclined, the sealing film arranged on the side wall of the elastic filter screen can be tightly attached to the outer wall of the elastic filter screen under the extrusion of the sodium bicarbonate solution, so that a part of the sodium bicarbonate solution can be blocked outside the mouth of the conical bottle, and the sodium bicarbonate solution is prevented from gathering at the mouth of the conical bottle after the tank body is erected; when the tank body is inverted, the pressed sealing membrane expands due to the gas blown out from the expansion cavity, so that the sodium bicarbonate solution flows into the top end of the tank body through the expanded gap of the sealing membrane, and the sodium bicarbonate and the aluminum sulfate solution react.
Preferably, the inner wall of the top end of the tank body is attached with an extrusion bag, and the extrusion bag is filled with a foaming agent; and the outer wall of the extrusion bag is provided with a liquid spraying hole; during operation, after the jar body is invertd, the carbon dioxide gas that sodium bicarbonate solution and aluminium sulfate solution after the mixture produced can make jar internal compression state that is in, the extrusion bag of the internal wall laminating of jar can be extruded to the carbon dioxide gas of production, and then make the extrusion bag produce the compression, the foamer of extrusion bag intussuseption can be through spouting the liquid hole blowout, and then the foam that makes sodium bicarbonate solution and aluminium sulfate solution after the mixture produce, the foam that makes jar internal production can follow carbon dioxide and spout together, and then increase fire extinguisher fire extinguishing effect.
Preferably, the extrusion bag is positioned on the inner side wall of the elastic filter screen and attached, and a cavity inside the extrusion bag is communicated with the expansion cavity through the diversion trench; the during operation, when the jar body is invertd, the elasticity pressfitting board of opening can extrude on the inner wall of elasticity filter screen under the gravity of pressfitting steel ball, and then make elasticity filter screen extrusion pressing bag, and then increase the speed that the foaming agent was joined in marriage out to the pressing bag, and simultaneously, the foaming agent in the pressing bag can enter into the inflation intracavity through the guiding gutter after the pressing bag compression, and then elasticity filter screen after the inflation also can spout partly foaming agent, and then increase the foaming agent and mix the effect with the sodium bicarbonate solution and the aluminum sulfate solution after mixing, and then increase the foaming effect of foaming agent.
The invention has the following beneficial effects:
1. the aluminum sulfate solution in the conical bottle can be effectively sealed by matching the arranged pressing steel balls and the elastic pressing plate, and the aluminum sulfate solution in the bottle body is prevented from being chemically reacted with the sodium bicarbonate solution to generate a phenomenon of carbon dioxide when the foam fire extinguisher is dumped on the ground because the bottle body for placing the aluminum sulfate solution in the tank body is in an open state, so that the normal and safe use of the foam fire extinguisher is influenced.
2. According to the foaming machine, the extrusion bag is matched with the elastic filter screen, the foaming agent in the extrusion bag enters the expansion cavity through the flow guide groove after being compressed, and then the expanded elastic filter screen can also spray a part of the foaming agent, so that the mixing effect of the foaming agent, the mixed sodium bicarbonate solution and the mixed aluminum sulfate solution is improved, and the foaming effect of the foaming agent is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of the invention at B in FIG. 2;
in the figure: the device comprises a tank body 1, a conical flask 2, a filter screen plate 3, a sealing plate 4, a clamping groove 41, an air guide groove 42, a compression spring 5, an elastic pressing plate 6, a pressing steel ball 7, a tension spring 8, an elastic pressing plate 9, a pressing cavity 91, a cavity elastic rope 10, an elastic filter screen 11, an expansion cavity 111, a sealing film 12, a pressing bag 13, a liquid spraying hole 131 and a guide groove 132.
Detailed Description
A fire extinguisher according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1, 2 and 3, the fire extinguisher for fire fighting of the present invention comprises a tank body 1, a valve, a nozzle and a handle; a valve is arranged above the tank body 1, a handle is arranged at the top end of the tank body 1, and the tank body 1 is connected with a spray pipe; the tank body 1 is filled with sodium bicarbonate solution, the tank body 1 is internally provided with a conical flask 2 through a filter screen plate 3, and the conical flask 2 is filled with aluminum sulfate solution; a sealing plate 4 is symmetrically hinged inside the conical bottle 2, and a clamping groove 41 is formed in the upper end face of the sealing plate 4; the bottom end of the sealing plate 4 is connected with a compression spring 5; an elastic pressing plate 6 is hinged to the side wall of the top end of the conical flask 2 through a hinge column, a pressing steel ball 7 is arranged on the lower surface of the elastic pressing plate 6, and the inner side wall of the elastic pressing plate 6 is connected to the inner wall of the conical flask 2 through a tension spring 8; the pressing steel balls 7 are pressed in the clamping grooves 41, and the radius of each clamping groove 41 is larger than that of each pressing steel ball 7; during operation, filling an aluminum sulfate solution into the conical flask 2, symmetrically hinging the sealing plate 4 in the conical flask 2, enabling the compression spring 5 arranged at the bottom end of the sealing plate 4 to be in a compression state, clamping the pressing steel ball 7 arranged on the elastic pressing plate 6 into the clamping groove 41, enabling the tension spring 8 to be in a tension state, further sealing the aluminum sulfate solution filled in the conical flask 2 through the matching of the pressing steel ball 7 and the tension spring 8, and fixing the sealed conical flask 2 in the tank body 1 through the filter screen plate 3; when a fire disaster occurs outside, a user inverts the tank body 1 to enable the sodium bicarbonate solution in the tank body 1 to be inverted to the top end of the tank body 1, meanwhile, the pressing steel ball 7 arranged at the bottleneck of the inverted conical flask 2 is separated from the clamping groove 41 under the action of self gravity, the elastic pressing plate 6 can be opened by the gravity of the pressing steel ball 7, the hinged sealing plate 4 can be knocked under the action of self gravity and the reaction force of the compression spring 5, and then the aluminum sulfate solution in the conical flask 2 is mixed with the sodium bicarbonate solution in the tank body 1 to generate a chemical reaction in the inverted state, so that a large amount of carbon dioxide gas is generated, and the fire extinguishing operation is carried out; through the pressfitting steel ball 7 that sets up and the cooperation of elasticity pressfitting board 6, can be effectual seal the aluminium sulfate solution of placing in the erlenmeyer flask 2, when preventing that the foam fire extinguisher from flat dumping ground, because the bottle of placing the aluminium sulfate solution in jar body 1 is in uncovered state, makes the aluminium sulfate solution of bottle and sodium bicarbonate solution take place chemical reaction, and then produces the phenomenon of dioxygen carbon, and then influences the normal safe use of foam fire extinguisher.
As shown in fig. 2 and 3, an elastic extrusion plate 9 is slidably arranged inside the conical flask 2, and the top end of the elastic extrusion plate 9 is connected to the top end of the sealing plate 4 through a hollow elastic rope 10; an aluminum sulfate solution is filled above the elastic extrusion plate 9, an extrusion cavity 91 is formed in the elastic extrusion plate 9, and the extrusion cavity 91 is connected with the cavity elastic rope 10; the during operation, when closing plate 4 opens under compression spring 5's thrust, elasticity stripper plate 9 can be upwards slided along erlenmeyer flask 2 under the drive of cavity elasticity rope 10, make 2 intussuseptions of erlenmeyer flask aluminum sulfate solution flow into erlenmeyer flask 2 outer with sodium bicarbonate solution mixture fast under elasticity stripper plate 9's thrust, gliding elasticity stripper plate 9 that makes progress simultaneously can receive the extrusion and reduce, and then make the gas in extrusion chamber 91 enter into cavity elasticity rope 10 in, and then make cavity elasticity rope 10 produce the inflation, cavity elasticity rope 10 after the inflation and elasticity stripper plate 9's cooperation can stir aluminum sulfate solution, prevent that aluminum sulfate solution from producing the phenomenon of subsiding the dilution under placing for a long time.
As shown in fig. 2, 3 and 4, the top end of the conical flask 2 is connected to the top end of the tank body 1 through an elastic filter screen 11, the elastic filter screen 11 is attached to the inner wall of the top end of the conical flask 2, an expansion cavity 111 is formed in the elastic filter screen 11, and the expansion cavity 111 is communicated with the hollow elastic rope 10 through an air guide groove 42; when the device works, the arranged elastic filter screen 11 can support the conical flask 2, so that the conical flask 2 is prevented from shaking due to external vibration force; when the elastic extrusion plate 9 slides upwards to extrude, the gas in the extrusion cavity 91 enters the expansion cavity 111 through the gas guide groove 42, so that the elastic filter screen 11 expands, and meanwhile, the gas in the expansion cavity 111 can be sprayed out through the meshes of the elastic filter screen 11, so that the efficiency of the sufficient mixing reaction of the bicarbonate solution and the aluminum sulfate solution can be increased by the sprayed gas, and the generation rate of carbon dioxide can be increased.
As shown in fig. 2, 3 and 4, a sealing film 12 is disposed on an outer side wall of the elastic filter screen 11, and upper and lower ends of the sealing film 12 are pressed on two end portions of the elastic filter screen 11; when the tank body 1 is inclined, the sealing film 12 arranged on the side wall of the elastic filter screen 11 can be tightly attached to the outer wall of the elastic filter screen 11 under the extrusion of the sodium bicarbonate solution, so that a part of the sodium bicarbonate solution can be blocked outside the mouth of the conical bottle 2, and the sodium bicarbonate solution is prevented from gathering at the mouth of the conical bottle 2 after the tank body 1 is vertical; when the can body 1 is inverted, the sealing film 12 pressed by the air blown out from the expansion chamber 111 expands, so that the sodium bicarbonate solution flows into the top end of the can body 1 through the expanded gap of the sealing film 12, and the sodium bicarbonate reacts with the aluminum sulfate solution.
As shown in fig. 2, 3 and 4, a pressing bag 13 is attached to the inner wall of the top end of the can body 1, and the pressing bag 13 is filled with a foaming agent; and the outer wall of the extrusion bag 13 is provided with a liquid spraying hole 131; during operation, after jar body 1 is fallen, the carbon dioxide gas that sodium bicarbonate solution and aluminium sulfate solution after the mixture produced can make jar internal 1 in compression state, the extrusion bag 13 of the laminating of jar body 1 inner wall can be extruded to the carbon dioxide gas of production, and then make extrusion bag 13 produce the compression, the foamer of extrusion bag 13 intussuseption can be through spouting liquid hole 131 blowout, and then the foam that makes sodium bicarbonate solution and aluminium sulfate solution after the mixture produce, the foam that makes jar internal 1 produce can be followed carbon dioxide and spouted together, and then increase fire extinguisher fire extinguishing effect.
As shown in fig. 2, 3 and 4, the extrusion bag 13 is positioned on the inner side wall of the elastic filter screen 11 and is attached, and the cavity inside the extrusion bag 13 is communicated with the expansion cavity 111 through the diversion trench 132; during operation, when jar body 1 is invertd, the elastic compression plate 6 of opening can extrude on the inner wall of elastic filter screen 11 under the gravity of pressfitting steel ball 7, and then make elastic filter screen 11 extrude extrusion bag 13, and then increase the speed that extrusion bag 13 joined in marriage out the foamer, simultaneously, the foamer in extrusion bag 13 can enter into expansion chamber 111 through guiding gutter 132 after extrusion bag 13 compresses, and then elastic filter screen 11 after the inflation also can spout partly foamer, and then increase foamer and the mixed effect of sodium bicarbonate solution and aluminium sulfate solution after the mixture, and then increase the foaming effect of foamer.
The specific working process is as follows:
during operation, filling an aluminum sulfate solution into the conical flask 2, symmetrically hinging the sealing plate 4 in the conical flask 2, enabling the compression spring 5 arranged at the bottom end of the sealing plate 4 to be in a compression state, clamping the pressing steel ball 7 arranged on the elastic pressing plate 6 into the clamping groove 41, enabling the tension spring 8 to be in a tension state, further sealing the aluminum sulfate solution filled in the conical flask 2 through the matching of the pressing steel ball 7 and the tension spring 8, and fixing the sealed conical flask 2 in the tank body 1 through the filter screen plate 3; when a fire disaster occurs outside, a user inverts the tank body 1 to enable the sodium bicarbonate solution in the tank body 1 to be inverted to the top end of the tank body 1, meanwhile, the pressing steel ball 7 arranged at the bottle mouth of the inverted conical bottle 2 is separated from the clamping groove 41 under the action of self gravity, the elastic pressing plate 6 can be opened by the gravity of the pressing steel ball 7, the hinged sealing plate 4 can be knocked under the action of self gravity and the reaction force of the compression spring 5, and then the aluminum sulfate solution in the conical bottle 2 is mixed with the sodium bicarbonate solution in the tank body 1 to generate a chemical reaction under the inverted state to generate a large amount of carbon dioxide gas, and meanwhile, the valve is opened to enable the carbon dioxide foam in the tank body 1 to be sprayed out through the spray pipe, so that the fire extinguishing operation is performed.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A fire extinguisher for fire control, its characterized in that: comprises a tank body (1), a valve, a spray pipe and a handle; a valve is arranged above the tank body (1), a handle is arranged at the top end of the tank body (1), and the tank body (1) is connected with a spray pipe; the tank body (1) is filled with a sodium bicarbonate solution, the tank body (1) is internally provided with a conical flask (2) through a filter screen plate (3), and the conical flask (2) is filled with an aluminum sulfate solution; sealing plates (4) are symmetrically hinged inside the conical bottle (2), and clamping grooves (41) are formed in the upper end faces of the sealing plates (4); the bottom end of the sealing plate (4) is connected with a compression spring (5); an elastic pressing plate (6) is hinged to the side wall of the top end of the conical flask (2) through a hinge column, a pressing steel ball (7) is arranged on the lower surface of the elastic pressing plate (6), and the inner side wall of the elastic pressing plate (6) is connected to the inner wall of the conical flask (2) through a tension spring (8); the pressing steel balls (7) are pressed in the clamping grooves (41), and the radius of each clamping groove (41) is larger than that of each pressing steel ball (7).
2. A fire extinguisher as claimed in claim 1, wherein: an elastic extrusion plate (9) is arranged inside the conical bottle (2) in a sliding mode, and the top end of the elastic extrusion plate (9) is connected to the top end of the sealing plate (4) through a cavity elastic rope (10); the aluminum sulfate solution is filled above the elastic extrusion plate (9), an extrusion cavity (91) is formed in the elastic extrusion plate (9), and the extrusion cavity (91) is connected with the cavity elastic rope (10).
3. A fire extinguisher as claimed in claim 1, wherein: the top of erlenmeyer flask (2) is connected to the top of jar body (1) through elasticity filter screen (11), and the laminating of the top inner wall of elasticity filter screen (11) and erlenmeyer flask (2), and elasticity filter screen (11) are inside to have seted up inflation chamber (111), and inflation chamber (111) are through leading gas groove (42) and cavity elasticity rope (10) intercommunication.
4. A fire extinguisher as claimed in claim 3, wherein: the outer side wall of the elastic filter screen (11) is provided with a sealing film (12), and the upper end and the lower end of the sealing film (12) are pressed at the two end parts of the elastic filter screen (11).
5. A fire extinguisher as claimed in claim 1, wherein: an extrusion bag (13) is attached to the inner wall of the top end of the tank body (1), and a foaming agent is filled in the extrusion bag (13); and the outer wall of the extrusion bag (13) is provided with a liquid spraying hole (131).
6. A fire extinguisher as claimed in claim 5, wherein: the inner side wall of the extrusion bag (13) located on the elastic filter screen (11) is attached, and the cavity inside the extrusion bag (13) is communicated with the expansion cavity (111) through the diversion trench (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702270.XA CN110393878B (en) | 2019-07-31 | 2019-07-31 | Fire extinguisher for fire control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702270.XA CN110393878B (en) | 2019-07-31 | 2019-07-31 | Fire extinguisher for fire control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110393878A CN110393878A (en) | 2019-11-01 |
| CN110393878B true CN110393878B (en) | 2020-11-24 |
Family
ID=68326867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910702270.XA Active CN110393878B (en) | 2019-07-31 | 2019-07-31 | Fire extinguisher for fire control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110393878B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206438A (en) * | 2020-09-23 | 2021-01-12 | 林朋 | Domestic fire extinguisher based on expend with heat and contract with cold |
| CN112316334B (en) * | 2020-11-04 | 2022-02-15 | 中联航天(北京)科技发展有限公司 | Perfluorohexanone quick fire extinguishing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2238062Y (en) * | 1995-07-27 | 1996-10-23 | 山西安华灭火器材有限责任公司 | Automatic fire-extinguisher |
| CN2513606Y (en) * | 2001-12-14 | 2002-10-02 | 程诚 | CO2 automatic fire extinguisher |
| US7650948B2 (en) * | 2005-11-04 | 2010-01-26 | Hector Rousseau | Self servicing fire extinguisher with wall mounting bracket and powder fluffing apparatus |
| RU2427401C1 (en) * | 2010-06-17 | 2011-08-27 | Олег Савельевич Кочетов | Chemical air-foam fire extinguisher |
| CN206566394U (en) * | 2017-03-15 | 2017-10-20 | 陈春来 | A kind of disposable fire extinguisher based on national standard carbonated drink bottle |
| CN208877763U (en) * | 2018-07-26 | 2019-05-21 | 福建省石油化学工业设计院 | Gas station's automatic sensing fire extinguisher |
-
2019
- 2019-07-31 CN CN201910702270.XA patent/CN110393878B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110393878A (en) | 2019-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110393878B (en) | Fire extinguisher for fire control | |
| KR20160128302A (en) | Squeezing type foam pump and method for generating foam by foam pump | |
| CN110905584A (en) | Spraying dust fall equipment for coal mine | |
| KR20160127726A (en) | Squeezing type foam pump and method for generating foam by foam pump | |
| AU665822B2 (en) | Liquid foam-discharging, squeezable vessel | |
| CN106890411A (en) | A kind of fixed froth installation | |
| KR200325551Y1 (en) | Bubble suppression apparatus for extruded draught beer | |
| CN211357523U (en) | Compressed air foam fire extinguishing system for oil tank | |
| CN206350878U (en) | A kind of fire-fighting portable foam bucket | |
| CN217988233U (en) | Supercharging device for fire extinguishing apparatus | |
| KR200491282Y1 (en) | water extinguisher for fire drill | |
| CN207221153U (en) | A kind of portable premixing compressed air foam fire-extinguishing apparatus | |
| KR102205276B1 (en) | Fire extinguisher | |
| CN106621126B (en) | Gas-liquid mixing device | |
| CN215025512U (en) | Bubble device for foam fire extinguishing | |
| CN218338846U (en) | High-integration built-in pressure storage chamber type water mist fire extinguishing device | |
| CN206631048U (en) | A kind of extinguishing device compound nozzle | |
| CN213252749U (en) | Dry powder tank for fire control | |
| CN219462380U (en) | Auxiliary housing of foam fire extinguishing apparatus nozzle | |
| CN220002817U (en) | Fire extinguisher seal structure | |
| CN218871112U (en) | Portable foam fire hose | |
| CN211835955U (en) | Foam extinguishing device for factory | |
| CN211500709U (en) | Spraying dust fall equipment for coal mine | |
| CN216986131U (en) | Compressed air foam fire extinguishing device | |
| CN212795650U (en) | B2-grade flame-retardant automatic proportioning machine for polyurethane foam material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201030 Address after: No.1, building 15, Guoqiang metal building materials City, Woyang County, Bozhou City, Anhui Province Applicant after: Anhui saiwang Fire Engineering Co., Ltd Address before: 230000 North Building 7536, No. 19 Tianzhi Road, Hefei High-tech Zone, Anhui Province Applicant before: Yin Xiulan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |