CN2303651Y - Electric-insulation isolated-packed hand-held fire extingusher - Google Patents

Abstract

The utility model discloses an electric-insulation isolated-packed hand-held fire extinguisher which belongs to the field of fire-fighting technology. The scheme is put forward to solve the problem that an existing hand-held fire extinguisher is not suitable for the special requirements of an aqueous film premixed type extinguishing agent. The utility model adopts a segregated package form, composed of a cylindrical body, a liquid medicine bag, a valve, a gas injection valve, a barometer, and a spraying bolt, wherein, a valve core of the valve is provided with two holes communicated with each other; a step hole arranged on the center of the valve core is communicated with a jet hole; two blind holes are communicated with two inclined holes; one end of the blind hole is provided with a one-way valve used for injecting gas, and the other end of the blind hole is provided with the barometer; two lower ends of two inclined holes are communicated with an interlayer space between the cylindrical body and the bag of the fire extinguisher. The sample proved by experiments has the advantage of steady function, reasonable structure, easy operation, low cost, etc.

Description

Electric insulation barrier packaging hand extinguisher

The utility model belongs to the fire prevention field, and it relates to a kind of structure that adopts the novel fire extinguisher of barrier packaging spraying technique.

Use at present the most widest in area, the maximum hand extinguisher of equipment quantity in the world four kinds of the dragon of Kazakhstan, chemistry, dry powder and carbon dioxide etc. are arranged, halon extinguisher is because its alkyl halide composition destroys atmospheric ozone layer, banned use of by international " Montreal Protocol ", the behave that China " stops to dispose in inessential place " has again come into effect; Chemical foam extinguisher is because of backward in technique, and has unsafe factor, therefore will be eliminated in the not long time; Though dry powder extinguisher has advantage, exist the difficult problem of secondary pollution and resume combustion; Carbon dioxide extinguisher is inapplicable in breezy open place, then exists problems such as causing the user poisons, explosive and greenhouse effects in the sealing place.Therefore, seek a kind of reliable substitute products and become the present focus of paying close attention to of international fire-fighting domain.The MJPZ premixed liquid claims the efficient water-based extinguishing agent of " light-water " premixed liquid again owing to there are not aforesaid problems, become the outstanding person in the extinguishing medium in the nature of things, the maximum characteristics of such extinguishing chemical are that collection " film forming; infiltration; adhere to; fire-retardant; cooling " is an one, the category-A fire of putting out a fire to save life and property can reduce medicament and run off, wetting interior of articles, put out the category-B fire by the extremely low surface tension of its fluorocarbon surfactant, on the surface of combustion oil, form thin film, with oil and atmospheric isolation, can put out a fire and anti-resume combustion, and the activity of this surfactant is subject to metal ion destruction and reduce its performance, so container is if rest on the level of general fire-fighting equipment container, not only have soup corrosion tank problem, more seriously the tank body metal ion is to the reaction of soup.External at present for overcoming low phenomenon of metal can life-span, cylindrical shell is adopted stainless steel material, increases coating or plated film on inwall, but these measures all can not tackle the problem at its root, and exist cost and constantly rise, and make the technical indicator of stable performance also be difficult to be guaranteed.

The purpose of this utility model is in order to overcome the technical problem that aforesaid hand extinguisher exists.This programme has increased the liquid bag of a splendid attire extinguishing chemical in the fire extinguisher cylindrical shell, adopt the form of barrier packaging that soup is separated with propellant, can keep stable, the good operation and with low cost of soup for a long time.

Hand extinguisher by the barrier packaging of as above conceiving, it includes the barrier packaging tube that soup and compressed air are separated, its concrete feature is: the connecting tube close-coupled on the medicinal fluid bag in the packing tube and the valve of fire extinguisher, the hole that has two covers to communicate on the spool of its valve, promptly one step through-hole is arranged, communicate with the spray-hole of position vertical on it at center spool; Perpendicular and two blind holes are arranged in the contour plane of spray-hole with the plane that axis constituted of the axis of stepped hole and spray-hole, in two blind hole planes, also have two inclined holes, the upper end of two inclined holes respectively with two blind hole UNICOMs, the lower end of two inclined holes communicates with mezzanine space between Fire extinguisher tube and medicine bag, after a gas injection is adorned in the outer end of a blind hole, keep the check valve of air pressure, on the outer end of another blind hole, air gauge is housed; Spool and connecting tube are thread connection, and spool connects with union (screwed)bonnet (UB closely with a jar mouth.

In this programme, its medicinal fluid bag is the flexible container of bag shape, and its cross section is its folding rectangle preferably, and its sack cooperates with the connecting tube of valve, and fastening with clip.End opening in connecting tube also picks out a suction pipe, leaves through hole on the sidewall of this suction pipe.This spool, connecting tube, suction pipe, spray gun all adopt the electric insulation high-strength engineering plastic.

Adopt this programme can embody following superiority: the soup of (1) barrier packaging hand extinguisher is stored in the medicinal fluid bag of highly stable plastics of chemical property or nylon, medicament does not contact with metal cylinder, the long-term stability that can keep soup, prolonged service life, thoroughly solved the corrosion problem of medicament again cylindrical shell; (2) propellant of its medical liquid spraying is a compressed air, and its stable performance, cost are low, and do not have inflammable, explosive problem, and security is good; (3) because Compressed Gas fills between shell and medicine bag, and isolated with injection channel, no Compressed Gas propellant discharges in the injection overall process, and barrel pressure is stable, can guarantee that the soup in the bag can make full use of, the remaining quantity of use back soup is no more than 2%; (4) compressed air in the cylindrical shell charges into by the check valve valve, and its pressure has air gauge to show again, can be directly perceived, find insufficient pressure tonifying Qi in time, and processing ease is easy, can guarantee its serviceable condition and the superior functionality during use at any time; (5) its spool adopts the compression moulding part to replace metalwork, and cylindrical shell can be avoided using than precious materials, can reduce cost significantly, is convenient to make and promote the use of in batches.The equal tool electrical insulating property of each element in the whole medicament ejector channel system when putting out a fire to save life and property the low-voltage electrical apparatus fire, can guarantee user's personal safety.

Fig. 1 is the structural representation of the electric insulation barrier packaging hand extinguisher of this programme.

Fig. 2 is the A-A profile among Fig. 1.

Fig. 3, Fig. 4, Fig. 5 are the structure charts of spool.Fig. 4 is the vertical view of Fig. 3.Fig. 5 is the side view of Fig. 3.

Fig. 6 is that the D of Fig. 5 is to view.

Fig. 7 is the M-M profile of Fig. 4.

Fig. 8 is the N-N profile of Fig. 4.

The embodiment of existing accompanying drawings this programme.The hand extinguisher of this programme is the form that adopts barrier packaging, and it is made up of tank body 1, inner medicinal fluid bag 2 and valve, gas injection valve, Pressure gauge, spray gun etc.Its valve comprises parts such as spool 3, connecting tube 4, suction pipe 5, kiss-coating push rod 8, spring 9, blind nut 10, pressure handle, and two holes that communicate of cover are arranged in the spool of valve, and a step through-hole is promptly arranged at the center of spool, and it communicates with spray-hole in the upright position; In addition, with the contour plane of spray-hole in two blind holes perpendicular with it are arranged, in the plane of two blind holes, also have two inclined holes, the upper end of two inclined holes communicates with two blind holes respectively, the lower end of two inclined holes communicates with mezzanine space between Fire extinguisher tube and liquid bag, wherein, blind hole end is equipped with the check valve that the inflation back keeps air pressure, at another blind hole end the Pressure gauge 6 of propellant pressure in the display barrel is housed.Its medicinal fluid bag 2 adopts flexible plastic material, its cross section is folding rectangular shape, its sack and interior connecting tube 4 interference fit, and fastening with clip 7, both closely connect by one-tenth, and spool and connecting tube are the tight connection of screw thread, in connecting tube, push rod 8 is pressed on the inner face of spool with spring 9, make itself and extraneous sealing, whole valve connects with tank body securely by blind nut, keeps sealing by end face O shape circle.With pressure handle push rod 8 is depressed during use and can be opened valve, soup sprays under the pressure of Compressed Gas propellant.The tube that will install soup during use is inwardly inflated by the valve of check valve.Its check valve valve can adopt the valve of motorcycle tyre, and medicinal fluid bag uses the very stable flexible materials of chemical property such as PVC plastics or nylon, and valve adopts high-intensity engineering plastics, is convenient to produce in batches and reduce cost.The pilot sample of this programme proves through the experiment operation: it has the characteristics of function-stable, operation rational in infrastructure, good, low cost of manufacture, is convenient to make and promote the use of in batches.

Claims (3)

1, a kind of hand extinguisher of electric insulation barrier packaging, it includes the barrier packaging container cartridge that soup and Compressed Gas are separated, medicinal fluid bag, valve, pressure handle, spray gun etc., it is characterized in that medicinal fluid bag (2) in its packing tube (1) and the connecting tube (4) on the extinguisher valve connect closely, the hole that has two covers to communicate on the spool of its valve (3), promptly one step through-hole is arranged at center spool, in load the end kiss-coating valve depression bar (8), stepped hole and perpendicular spray-hole communicate, with perpendicular plane, the plane that axis constituted of stepped hole axis and spray-hole in two blind holes are arranged, in the vertical section of blind hole, also have two inclined holes, the upper end of two inclined holes respectively with two blind hole UNICOMs, the mezzanine space between Fire extinguisher tube and medicinal fluid bag is led in the lower end, after a gas injection is adorned in the outer end of a blind hole, keep the check valve of air pressure, air gauge (6) is housed on the outer end of another blind hole; Spool and connecting tube are tight being threaded, and spool closely connects with union (screwed)bonnet (UB with nozzle.

2, according to the described hand extinguisher of claim 1, it is characterized in that its medicinal fluid bag (2) is the flexible container of a bag shape, its sack cooperates with the connecting tube (4) of valve, and fastening with clip (7).In the end opening medicinal fluid bag of connecting tube, also be connected to a suction pipe (5).

3, according to the described hand extinguisher of claim 1, it is characterized in that spool (3) is to be made by high-strength engineering plastic such as nylon 1010 etc., and also being electrically insulating materials such as engineering plastics or rubber, connecting tube (4) and spray gun etc. make.

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