CN1429638A - Portable atomization injection fire extinguisher - Google Patents

Abstract

A portable atomizing spray fire extinguisher is composed of a fire extinguishing gun, a unit for supplying high pressure to fire-extinguishing chemical, and transmission tubes for fire-extinguishing chemical and compressed air and connected between the said gun and unit. The said gun has a gun body with two channels, a nozzle part and a switch. It features that the fire-extinguishing chemical is atomized and then sprayed out. Its advantages are high fire-extinguishing efficiency, small size, light weight, and low consumption of fire-extinguishing chemical.

Description

Portable atomization injection fire extinguisher

Technical field:

The invention belongs to the fire-fighting fire extinguishing equipment, be specifically related to the extinguishing device of miniature portable.

Background technology:

Existing fire-fighting fire extinguishing equipment generally takes long-time continuous to spray a certain liquid or powder extinguishing agent stamps out a fire with the critical value that reaches fire extinguishing.This not only needs to consume a large amount of extinguishing chemicals, and fire extinguishing is renderd a service lower; And bring action, inconvenient operation because of carrying a large amount of extinguishing chemicals, can not maneuverability ground adapt to the fire extinguishing needs of various fire hazard environments; A large amount of uses of some extinguishing chemical also can cause severe contamination to environment.

Summary of the invention:

The object of the present invention is to provide a kind of portable atomization injection fire extinguisher that can save extinguishing chemical.

Solution of the present invention is as follows:

Whole fire extinguisher is made of fire gun and extinguishing chemical voltage supply bag two parts, is connected with the pressed gas transfer tube by the extinguishing chemical transfer tube between the two; Fire gun comprises rifle body and shower nozzle spare, switch member, the passage separately of extinguishing chemical and pressed gas is set on the rifle body, their hand-hole links to each other with separately transfer tube, the respective through hole and the nozzle cavity that portal on nozzle boss communicate with nozzle, hand-hole and portal between the switch member of being made up of switch cover, clamp nut, push rod, spring, trigger of opening or closing is set; Extinguishing chemical voltage supply bag is made up of pressure cylinder and extinguishing chemical bottle, and both link to each other, link to each other with separately transfer tube respectively again, and pressure limiting valve is set on the connecting line.

That is to say that the fire extinguisher that the present invention proposes is to be made of fire gun and extinguishing chemical voltage supply bag two parts, is connected with the pressed gas transfer tube by the extinguishing chemical transfer tube between the two.

Fire gun 1 is the rigid body of a similar handgun shape, is convenient to fire extinguishing person's hand-held; It comprises rifle body, shower nozzle spare, switch member three parts.Rifle body top is called gun barrel, and rifle body middle part is called gunlock, and rifle body bottom is called pikestaff; Portal 2 what the front end of gun barrel had pressed gas and an extinguishing chemical, and have the connecting hole 3 that communicates with it in its inner end; Have the hand-hole 4 of pressed gas and extinguishing chemical at the pikestaff place, have the switch hole 5 and the spring eye 6 of pressed gas and extinguishing chemical at the gunlock place; The hand-hole of pressed gas and extinguishing chemical is respectively by its spring eye, switch hole, connecting hole and portal and communicate, and it is external that the passage of each self-forming pressed gas and extinguishing chemical, hand-hole and portalling lead to rifle respectively; Each hole offer the position can be along the vertical section of rifle body or cross section side by side or the suitable distance that staggers, as long as the passage separately of pressed gas and extinguishing chemical can be interconnected and not disturb mutually, preferably can also make the profile of rifle body allow the operator feel comfortable.Shower nozzle spare is made up of shower nozzle and nozzle boss; Nozzle boss 7 is installed in gun barrel the place ahead, joins and fixes with securing member by adapter sleeve 8 and gun barrel, and two corresponding through holes 9 on the nozzle boss are communicated with portalling of pressed gas and extinguishing chemical respectively; With gland 10 shower nozzle 11 is fitted in it together again; Between shower nozzle and the nozzle boss and between nozzle boss and the gun barrel (for example: be equipped with seal the adapter sleeve place), to prevent the leakage of pressed gas and extinguishing chemical; One conduit 12 that portals and communicate and protract with extinguishing chemical is arranged on the nozzle boss, insert in the inner chamber 13 of shower nozzle, can make extinguishing chemical enter nozzle cavity; Between conduit and the nozzle cavity slit is arranged, can make through pressed gas portal and nozzle boss on the pressed gas sent here of respective through hole enter nozzle cavity; The front end of nozzle cavity is offered one or more nozzles 14, can be the angle (make the extinguishing chemical that ejects form suitable fan-shaped subtended angle, enlarge area coverage) that becomes suitable along the horizontal axis direction or with horizontal axis.Switch member is made up of switch cover, clamp nut, push rod, spring, trigger etc.; Switch cover 15 is installed respectively in the switch hole, is screwed the location, have aperture 17 on the sidewall of switch cover with clamp nut 16; The inner end that push rod 18, two push rods are housed in switch cover and the clamp nut is stretched in the spring eye that spring 19 is housed respectively; Switch cover and switch hole and and the end face of clamp nut between, clamp nut and push rod and and the side of switch cover between all have sealing ring, to prevent the leakage of pressed gas and extinguishing chemical; (for example: the top that gun barrel front upper part, pressed gas or extinguishing chemical portal) fix a trigger 21 with alignment pin 20, trigger leans on mutually with the outer end of two push rods in position suitable on the rifle body; When pulling trigger, it is oppressed stretch, make two springs compressions in two push rods, like this, just open the path between two switches cover and the spring eye simultaneously, thereby being portalled with it respectively by the aperture on the switch cover sidewall, the hand-hole of pressed gas and extinguishing chemical communicates; When unclamping trigger, under the pushing effect of two spring forces, the end that makes two push rods is the clamping switch cover respectively, becomes sealing state between switch cover and the spring eye, thereby closed the path between switch cover and the spring eye, the hand-hole of pressed gas and extinguishing chemical can not portalled with it communicate.

Extinguishing chemical voltage supply bag 22 is made up of pressure cylinder 23 and extinguishing chemical bottle 24, in the pressure cylinder outlet pressure limiting valve 25 is housed, draws two paths on the pressure limiting valve: the one tunnel is connected with the pressed gas hand-hole of fire gun through switch 26, Pressure gauge 27 and by pressed gas transfer tube 28; Another road is connected to the top of extinguishing chemical bottle by transfer tube, is connected with the space of extinguishing chemical top; The suction pipe 29 that lower ending opening extends bottle bottom is set in the extinguishing chemical bottle, and its upper end is connected with the extinguishing chemical hand-hole of fire gun through the pressure limiting valve in extinguishing chemical bottle exit, Pressure gauge and by extinguishing chemical transfer tube 30.Extinguishing chemical can be a liquid extinguisher, and pressed gas can be air, nitrogen or other gas (for example inert gas), by regulating the pressure limiting valve on the respective line, provides 4-5 the pressure of crust in extinguishing chemical bottle and fire gun.

During use, open the pressure limiting valve on the pressure cylinder in the extinguishing chemical voltage supply bag earlier, open switch on the pressed gas transfer tube again, be adjusted to Pressure gauge and show suitable pressure, and pressure limiting valve to the Pressure gauge of regulating on the extinguishing chemical bottle shows suitable pressure; Extinguishing chemical in the extinguishing chemical bottle is under the pressure effect that pressure cylinder provides, arrive the extinguishing chemical hand-hole of fire gun through its transfer tube, when trigger was opened, extinguishing chemical entered switch hole by the aperture that switch puts, and passed through connecting hole again, portalled and arrival nozzle cavities such as adapter sleeve, conduit; Gas in the pressure cylinder also arrives nozzle cavity through similar process; After extinguishing chemical and pressed gas mix in nozzle cavity,, put out a fire with it from the extinguishing chemical (being tiny liquid pearl) of nozzle ejection atomizing shape.When unclamping trigger, under the elastic force effect of two springs, make the end of two push rods compress two switch covers, thus blocking-up hand-hole and communicating of portalling, extinguishing chemical and pressed gas all can not arrive shower nozzle.

In sum, the present invention is that the mode that adopts two-fluid to spray makes extinguishing chemical spray with spray pattern, thereby saves extinguishing chemical greatly, and fire-fighting efficiency is improved.The present invention can be applicable to the most of clean liquid extinguishing chemicals that comprise water.Owing to adopt the extinguishing chemical of atomizing shape to put out a fire, the effect of the oxygen at rapid refrigeration and isolated burning object place is evaporated, played to tiny liquid pearl in a large number, can extinguish the blaze at short notice; And, replace the liquid extinguisher fire extinguishing that big flow directly waters pouring with the extinguishing chemical of atomizing shape, the consumption of extinguishing chemical is significantly reduced; Simultaneously, the extinguishing chemical of atomizing shape can not conduct electricity yet, can not make oil product floating, so can be used for putting out charged fire or oil fire.The range of extinguishing chemical is decided by the size of the pressure in the pressure cylinder, is at least 2-3m even can reaches 4-6m.Volume of the present invention is little, in light weight, use, easy to carry, flexible, and clean and effective, the fire extinguishing cost is low, is applicable to and puts out various indoor outer fire, especially charged, as to be with wet goods danger incipient fire.

Description of drawings:

Accompanying drawing 1 is general structure schematic diagram of the present invention (for ease of diagram, wherein the reduce in scale of fire gun part is less and reduce in scale extinguishing chemical voltage supply packet portion is bigger).

The specific embodiment:

Embodiment 1:

The rifle body of fire gun is the rigid body of thick 26mm; Open two up and down side by side at the front end of gun barrel and portal, diameter 3mm, about deeply 40mm; About the pikestaff place, open two hand-holes side by side, diameter 5mm; Two spring eyes, switch hole at the gunlock place are also arranged side by side up and down, spring eye diameter 5mm, switch hole diameter 9mm; Clamp nut is M10mm, push rod diameter 3mm, its end diameter 4mm; Spring diameter 4.5mm, silk footpath 0.8mm; Connecting hole diameter 3mm, wherein, the extinguishing chemical connecting hole directly links to each other its switch hole with portalling, the pressed gas connecting hole then through turnover, avoid the extinguishing chemical switch hole, its switch hole linked to each other with portalling; Gland with M24mm press-fits shower nozzle and nozzle boss, is fixedly connected with the M3mm screw between nozzle boss and the gun barrel, and the inside and outside footpath of conduit is respectively 1mm, 2mm, and the diameter of nozzle cavity is 2.5mm; Employing water is extinguishing chemical, compressed nitrogen is as pressure gas source and auxiliary extinguishing chemical, the capacity of extinguishing chemical bottle and pressure cylinder is 2 liters, withstand voltage 220 crust of pressure cylinder, by regulating pressure limiting valve, makes pressure cylinder provide 4-5 the pressure of crust through transfer tube to extinguishing chemical bottle and fire gun.Like this, when trigger is opened, just can spray the thin water smoke of 20-100 μ m from nozzle, range reaches 2-3m.Be specially adapted to put out the small size incipient fire in the room, the incipient fire in the kitchen, and early stage automobile fire.

Embodiment 2:

The rifle body of fire gun is the rigid body of thick 30mm; Open two up and down side by side at the front end of gun barrel and portal, diameter 4mm, about deeply 40mm; About the pikestaff place, open two hand-holes side by side, diameter 6mm; Two spring eyes, switch hole at the gunlock place are also arranged side by side up and down, and spring eye diameter 7mm, switch hole diameter 10mm: clamp nut is M12mm, push rod diameter 3mm, its end diameter 6mm; Spring diameter 6.5mm, silk footpath 1mm; Connecting hole diameter 4mm, wherein, the extinguishing chemical connecting hole directly links to each other its switch hole with portalling, the pressed gas connecting hole then through turnover, avoid the extinguishing chemical switch hole, its switch hole linked to each other with portalling; Gland with M30mm press-fits shower nozzle and nozzle boss, is fixedly connected with the M3mm screw between nozzle boss and the gun barrel, and the inside and outside footpath of conduit is respectively 2mm, 3mm, and the diameter of nozzle cavity is 4mm; Employing water is extinguishing chemical, compressed air is as pressure gas source and auxiliary extinguishing chemical, the capacity of extinguishing chemical bottle and pressure cylinder is 5 liters, withstand voltage 220 crust of pressure cylinder, by regulating pressure limiting valve, makes pressure cylinder provide 4-5 the pressure of crust through transfer tube to extinguishing chemical bottle and fire gun.Like this, when trigger is opened, just can spray the thin water smoke of 50-200 μ m from nozzle, range can reach 4-6m, and is very effective to the open air fire extinguishing.Can be used for putting out the larger area fire, as oil storage tank fire, automobile fire, ship fire and building fire etc.

Claims (1)

1, a kind of portable atomization injection fire extinguisher is characterized in that being made of fire gun (1) and extinguishing chemical voltage supply bag (22) two parts, is connected with pressed gas transfer tube (28) by extinguishing chemical transfer tube (30) between the two; Fire gun comprises rifle body and shower nozzle spare, switch member, the passage separately of extinguishing chemical and pressed gas is set on the rifle body, their hand-hole (4) links to each other with separately transfer tube, (2) respective through hole (9) and the nozzle cavity (13) on nozzle boss (7) that portal communicates with nozzle (14), hand-hole and portal between the switch member of being made up of switch cover (15), clamp nut (16), push rod (18), spring (19), trigger (21) of opening or closing is set; Extinguishing chemical voltage supply bag is made up of pressure cylinder (23) and extinguishing chemical bottle (24), and both link to each other, link to each other with separately transfer tube respectively again, and pressure limiting valve (25) is set on the connecting line.

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