CN2319084Y

CN2319084Y - Dry powder fire-extinguishing bullet

Info

Publication number: CN2319084Y
Application number: CN 97230841
Authority: CN
Inventors: 段学峰
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-12-26
Filing date: 1997-12-26
Publication date: 1999-05-19
Anticipated expiration: 2007-12-26

Abstract

The utility model relates to a dry powder fire-extinguishing bullet which is provided with a container 1 for containing fire-extinguishing dry powder 2 in which a chamber 3 for containing gunpowder 4; an igniter comprising a detonator 56, a blasting fuse 55, a spring 54, a percussion cap 53, a pull rope 52 and a and pull ring 51 is arranged in the gunpowder; the igniter is positioned in a wooden handle 6 arranged on the container 1; the pull ring is pulled; the spring springs to generate friction and to ignite the blasting fuse to detonate the gunpowder 4 so that the container 1 bursts; the dry powder is sprayed toward circumference to extinguish fire. The fire-extinguishing bullet is thrown to the upper part of the fire point, which has big and uniform bursting, spraying and fire extinguishing ranges and good effect; fire fighters do not approach to the fire point; the utility model has small risk for people in occasions having toxic gas, pressure containers and dangerous chemical articles.

Description

Dry chemical projectile

The utility model relates to fire distinguisher, more specifically, relates to dry chemical projectile.

In existing fire distinguisher fire-fighting powder is arranged, it is incombustible material itself, forms froth bed under the flame of comburant and high temperature action, blocking oxygen, stop the effect of external heat source, reach the fire extinguishing purpose, prevent ignition point second-time burning characteristics combustible material.It is contained in the paper can, sheds dry-chemical fire extinguishing near ignition point with hand by the people during use, perhaps this paper can is invested on the ignition point place hard objects, crashes paper can and makes the interior dry powder of containing freely trickle down fire extinguishing.It is narrow and small that the space is spilt in the throwing of this kind mode fire-fighting powder, only is applicable to the local little fire that takes place, and big slightly condition of a fire effect is just not good, and when particularly the condition of a fire of Fa Shenging was plane or multiple spot that is spatial distribution or fiery in flakes point, its fire-fighting efficiency was lower.Secondly, the operation of putting out a fire of the too close scene of a fire is unfavorable in the place that has poisonous gas, pressure vessel or dangerous chemical substance.

The purpose of this utility model provides a kind of dry chemical projectile, can be sent in the ignition point spatial dimension dry powder is sprayed than large tracts of land, and is dangerous little, the fire-fighting efficiency height.

The technical solution of the utility model is:

A kind of dry chemical projectile has the container 1 of containing fire-fighting powder 2, it is characterized in that also having in the container 1 expanding chamber 3 for splendid attire swelling agent 4; And proximity switch 5,8 excites the rapid expanding of described swelling agent.

Swelling agent has many kinds in the prior art, wherein have a class swelling agent be self after lighting, produce a large amount of gases rapidly, most typical is explosive.This kind explosive is normal existing explosive as TNT, tetryl, Tai'an, hexogen etc.In particular for the ammonium nitrate that reduces these explosive brisances is in the middle of the explosive of main body, adds hydrocarbon as the nitro-derivative of resin, aliphatic acid, the low degree of nitration of aromatic series, chloride, sulfate, oxalates, heavy carbonate etc. are constituted safety explosive.The instantaneous expansion of described swelling agent is at first to light fuse by means such as electronic lighter, striker, bump or frictions, refires subsequently to cause behind the very big priming of sensitivity.The state of described fire-fighting powder in fire extinguisher bomb is subjected to the bead frangible, meltable under air pressure that explosive inflammation produces, the temperature action, that effumability material bag dried fruit powder is made in the time of can being powder shape, hollow ball or fire extinguisher bomb explosion, be filled in the housing of fire extinguisher bomb.Above-mentioned basic scheme can also be added the propelling emitter, pushed fire extinguishing and flick off the fire extinguishing place before swelling agent expands.

The utility model fire extinguisher bomb is sent to the ignition point outside the certain distance or on the certain altitude, makes the people can be far away, avoids or reduces aforementioned various danger, and the people is put out a fire to out of reach ignition point.

Because the utility model fire extinguisher bomb possesses from the explosion ability, need not to crash through shell and shed by throwing, therefore can above ignition point, explosion spray dry powder, scope is big, evenly, fire-fighting efficiency height, effective.

Fig. 1 is the real structural representation of example 1 that drags of the utility model.

Fig. 2 is the structural representation of the utility model embodiment 2.

Fig. 3 is the structural representation of the utility model embodiment 3.

Describe embodiment in detail below in conjunction with accompanying drawing.

The embodiment 1 of Fig. 1 is a kind of draw-ring type dry chemical projectile, and shell case 1 constitutes the container of dress fire-fighting powder 2, and wooden handle 6 is established in the upper end, and expanding chamber 3 is arranged in shell 1, in pretend gunpowder into swelling agent; Igniter as proximity switch 5 comprises the draw ring 51 that is located at wooden handle 6 tops, draw ring links an end of stay cord 52, its other end (lower end) links igniter cap 53, a spring 54 is lived in described igniter cap 53 compressions under the normality, the lower end of spring 54 is a fuse cord 55, middle detonator 56 and the sulphur of ining succession and be positioned at expanding chamber 3 in the fuse cord other end nearby 57 of gunpowder.The 51-57 each several part is contained in the pull igniter 58 that runs through in the wooden handle 6 in the whole firing device 5.Add a protecting cap 7 that plays safety effect on the wooden handle top.

Scratch during use and open protecting cap 7, draw ring 51, stay cord 52, pulling igniter cap 53, spring 54 springing are lighted fuse cord 55 with igniter cap and perisporium friction.In the time of fuse cord burning fire extinguisher bomb is invested ignition point.The long 3-4cm of fuse cord can delay time the several seconds, and for example 3-4 second, gunpowder fires afterwards, expanding gas break through shell 1 with dry powder to around disperse to spray away, reach the fire extinguishing result.Sulphur is combustion-supporting strongly, and ensureing detonates finishes.

The shell of this routine container 1 can be cylindricality or sphere, by material manufacturings such as paper, plastics, thin metal or potteries.

The embodiment 2 of Fig. 2 is one and hits nail formula fire extinguisher bomb, and structure is similar with the draw-ring type fire extinguisher bomb, and is different only at initiating device 5, with hitting nail 59 replacement draw ring and stay cords.59 divide into spring 54 hitting nail, push and hit nail, light a fire with the igniter cap friction and light fuse cord, other processes are the same.

The embodiment 3 of Fig. 3 is a kind of examples that are called the fly bomb of putting out a fire; This example has added the propelling trigger mechanism, will only describe and Fig. 1 fire extinguisher bomb structure difference here.Proximity switch 8 is located at the top of expanding chamber 3, the mode that adopts the mechanical impact detonating primer to light gunpowder, in turn comprise from top to bottom by Fig. 3: the propellant chamber 84 of striker eye 81, igniter cap 82, detonator 83, filling propellant, have or not the mechanical irrigation envelope bed of material 85 for 84 times at the emission coyote hole, it separates the emission coyote hole 84 as swelling agent gunpowder 4 and top below it, pass the lead-in wire 86 of the envelope bed of material 85 and light gunpowder 4 usefulness, the embedding bed of material 87 of expanding chamber bottom is that to answer arts demand setting, purpose be that to load gunpowder convenient.The described inorganic embedding bed of material can use clay to constitute.The head of container 1 in this example (Fig. 3 bottom) adapts to the needs of emission back flight and gets bullet-shaped, and its afterbody (Fig. 3 top) is established missile wing 11.

This fire extinguishing fly bomb is launched on special transmitter, utilize the striker of transmitter to clash into above-mentioned striker eye 81 detonating primers 83, light the propellant powder in the propellant chamber 84, eruption advances fire extinguisher bomb behind tail, and described head bullet shape and missile wing 11 are to guarantee that flight is correct directed required.By the propellant powder maximal end point combustion wire 86 lighted, drawing gunpowder 4, later explosion and to spray dry-chemical fire extinguishing identical with example one, two.

The fire extinguishing fly bomb is fit to the fire extinguishing of remote or the out of reach higher position ignition point of people, nature, and the powder extinguishing agent amount of fill is also bigger.

Claims

1. dry chemical projectile has the container (1) of Sheng fire-fighting powder (2), it is characterized in that also having in the container (1) expanding chamber (3) for splendid attire swelling agent (4); And proximity switch (5,8) excites the expansion of described swelling agent.

2. according to the fire extinguisher bomb of claim 1, it is characterized in that described swelling agent (4) is a gunpowder; Described container (1) is a shell case, and wooden handle (6) is established in the upper end; Proximity switch (5) comprising: the draw ring (51) that is located at wooden handle (6) top, draw ring links an end of stay cord (52), its other end links igniter cap (53), a spring (54) is lived in described igniter cap compression, the other end place of spring is the head of fuse cord (55), the in succession detonator (56) of the gunpowder that is arranged in expanding chamber (3) of its end.

3. according to the fire extinguisher bomb of claim 2, it is characterized in that described draw ring (51), stay cord (52) substitute by hitting nail (59), described hit nail be positioned at described spring (54) above.

4. according to the fire extinguisher bomb of claim 2 or 3, it is characterized in that sulphur (57) nearby being arranged at described detonator (56).

5. according to the fire extinguisher bomb of claim 1, it is characterized in that described swelling agent (4) is a gunpowder; Described proximity switch (8) is located at the top of expanding chamber (3), and proximity switch comprises from top to bottom successively: striker eye (81), igniter cap (82), detonator (83), propellant chamber (84), the inorganic embedding bed of material (85); Described inorganic material filling floor (85) separates described propellant chamber (84) and expanding chamber (3), and a lead-in wire (86) passes the described envelope bed of material (85); The head of described container (1) is a bullet shape, and afterbody is established missile wing (11).