CN1644229A - Lifesaving respirator for fleeing in fire or gas explosion - Google Patents

Abstract

A life-saving respiratory device for fire accident or gas explosion is composed of a foldable and inflatable cylindrical air bag consisting of refractory wall, top surface and bottom surface, an air tube, and a respiratory mask. Its advantages are simple structure and high effect.

Description

A kind of lifesaving respirator that is used to flee from fire or gas explosion scene

Technical field: the present invention relates to a kind of human respiratory protective device, particularly relate to a kind of lifesaving respirator that is used to flee from fire or gas explosion scene.

Background technology: the U.S. " 911 " incident, Busan, Korea subway tragic incident, the commercial building big fire of Luoyang, Henan and the underground coal mine gas explosion that takes place again and again, analyze these incidents, so much personnel's mortality is arranged, trace it to its cause, be not difficult to find, " smog " is maximum " killer ", wrecked people mostly is because suck excessive smoke, anoxia asphyxia and dead, or can't flee the scene voluntarily after the stupor then just burnt dead.And existing fire-fighting life-saving breathing equipment as the patent No. is: ZL02266664.8, and name is called " a kind of air filtration nose cup "; Application number is: 85109447, and authorization number is: CN10043298, name is called: " hanging over the respiratory protection equipment with respiratory hag of front "; The patent No. is: ZL95239751.X, and name is called: " the automatic oxygen mask of fire disaster escaping "; The patent No. is: ZL98238177.8, and name is called: " double bags for saving self-rescuer " etc., and because living oxygen, oxygen supply or oxygenation member have all been set up in its inside, structure is complicated, professional higher, price is more expensive, extensively popularizes standby comparatively difficulty.

Summary of the invention: technical problem to be solved by this invention provides and a kind ofly can overcome above-mentioned defective, simple structure, easy to operate, with low cost, accident place occurred frequently can be supporting standby, and general family usually also can buy the lifesaving respirator that fire or gas explosion scene are fled from standby being used to.Solve this technical problem the technical scheme of employing: a kind of lifesaving respirator that is used to flee from fire or gas explosion scene, by holding air bag, oronasal mask and wireway constitute, holding air bag is connected with oronasal mask by wireway, it is characterized in that holding air bag is by fire-resistant cyst wall, the capsule end face, capsule bottom surface and bracing ring constitute, be cylindrical shape after holding airbag aeration, bracing ring is located at the inside top surface of holding air bag and the inboard, bottom surface of cylindrical shape respectively, the capsule end face or the capsule bottom surface of holding air bag offer two blow vents altogether, two blow vents are connected with two wireways respectively, and wherein a wireway also is connected with oronasal mask; Hold air bag when the gas emptying is shrivelled, it is collapsible to hold pneumatophore (comprising cyst wall, capsule end face, capsule bottom surface and bracing ring).Described fire-resistant cyst wall, capsule end face, capsule bottom surface are fire-resistant flexible closely knit cloth or polyester material constitutes; Described bracing ring is an elastic steel traveler; Described oronasal mask or wireway are refractory material such as polyester constitutes.The present invention compared with prior art has following advantage: 1. simple in structure; 2. carry, easy to operate; 3. volume is little; 4. low price; 5. applicability is wide.

Description of drawings: Fig. 1 is a lifesaving respirator structural representation of the present invention; Fig. 2, Fig. 3 are respectively the structural representation that elastic wire bracing ring of the present invention reverses shape and rugosity; Fig. 4 is the structural representation after lifesaving respirator of the present invention folds.

The specific embodiment: now in conjunction with the accompanying drawings, elaborate embodiments of the invention.As accompanying drawing 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of lifesaving respirator that is used to flee from fire or gas explosion scene of the present invention, air bag (1), oronasal mask (3) and wireway (2) constitute by holding, holding air bag (1) is connected with oronasal mask (3) by wireway (2), cyst wall (11), capsule end face (12), capsule bottom surface (13) of holding air bag (1) are that fire-resistant flexible closely knit cloth constitutes, bracing ring (4) is that elastic steel traveler (41) constitutes, and makes respectively in the inboard of capsule end face (12) with the connecting portion of cyst wall (11), capsule bottom surface (13) and cyst wall (11); Hold on the capsule end face (12) of air bag (1) and offer two blow vents (121), (122), two ventilations (121), (122) are connected with the wireway (2) that refractory material such as polyester are made respectively, and the other end of the wireway (2) that is connected with ventilation (122) is connected with the oronasal mask (3) that refractory material such as polyester are made.After holding air bag (1) inflation, being cylindrical shape, is 60 centimetres such as its cylinder height, and the diameter of wall end face (12) or wall bottom surface (13) is 40 centimetres; When not using usually, wall end face (12) and wall bottom surface (13) that air bag (1) holds with force compresses in elder generation, the air in the air bag (1) is held in emptying, reverse an elastic steel traveler (41) more respectively, making diameter is 40 centimetres bracing ring (4)---it is 20 centimetres elastic steel traveler (42) (ringlet) that elastic steel traveler (41) (great circle) is folded into two diameters, like this, originally diameter is 40 centimetres, the air bag (1) that holds that highly is 60 centimetres becomes a diameter only 20 centimetre at interior a whole set of lifesaving respirator with regard to compressible together with wireway (2) and oronasal mask (3), highly be no more than 5 centimetres round pie article, and available plastic film bag encapsulation, it both can be placed in the Fire Hose, also can be placed in the drawer of office, or under the seat of subway carriage, or other any convenience of taking; When urgent, can conveniently take.Using method is as follows: one, common using method.When the condition of a fire takes place, take a kind of lifesaving respirator that is used to flee from fire or gas explosion scene of the present invention, at the non smoke place, tear external packing, hold air bag (1) under the effect of the elastic force of the elastic wire wire ring (41) of bracing ring (4), elastic steel traveler (41) will revert to the original state great circle automatically, tighten capsule end face (12) and capsule bottom surface (13), afterwards, firmly slowly draw back capsule end face (12) and capsule bottom surface (13), fresh air passes through blow vent (121) from the port of wireway (2) and oronasal mask (3), (122) suck and to hold in the blister cavities of air bag (1), hold air bag (1) when being molded into cylinder fully, show that gas replenishment process finishes; Clamp wireway (2) with the air guide pipe clamp, shut air inlet, be with oronasal mask (3), just can pass through escape way at leisure.At this moment, even smog has been full of escape way, holding in the air bag (1) has 70 liters air approximately, and enough common people breathed more than 10 minutes, did not think difficulty.Two, one of special sight using method.If breaking out of fire in high-rise building, you also have been full of smog in residing room, please the wireway of air inlet (2) are stretched out outside window, carry out gas replenishment process again.Three, two usings method of special sight.If breaking out of fire in high-rise building, you have been full of smog in residing room, and escape way is destroyed, at this moment, because the suction function of smog, also can't breathe outside window fresh air even you stand in window.Therefore, please you must be with oronasal mask, the wireway of air inlet (2) is directly stretched out outside window, breathe, wait for rescue.Four, three usings method of special sight.In underground ground railway or in the colliery, before arriving, smog finish gas replenishment process at lower as far as possible, and the characteristics of motion of smog is: be full of the eminence space earlier, be full of the lower space again, get over the space of lower, smog is few more.Five, four usings method of special sight.In order to cooperate a kind of enforcement that is used to flee from the lifesaving respirator at fire or gas explosion scene of the present invention, if the escape way of, underground coal mine operation place along the line at subway station, subway, the colliery is along the line, other the is underground relatively large building in playground and ground is along the line, lay an enough firm independent breather line in addition, and be provided with the air-filled pore of obvious sign at showy place, structure in the air-filled pore is: the tube wall inside and outside of its breather line is equipped with an energy unidirectional wicket of closing automatically, covers air-filled pore; When needing inflation, open external door, the wireway of the air inlet of lifesaving respirator of the present invention (2) is inserted air-filled pore, wireway (2) backs down inside door, begins to inflate holding air bag (1) with the fresh air in the breather line.The interchange of inside and outside air has been isolated in the setting of inside and outside wicket, and the smog during fire can be by in the air-filled pore flow ipe yet.When the condition of a fire takes place, should in time give and carry fresh air (or oxygen) in the breather line; And when usual, the air inlet of breather line, gas outlet can directly communicate with outside air.Above-mentioned mention enough firmly independently breather line be meant: at fire take place early stage, i.e. big fire is not large tracts of land burning as yet, or before building also do not collapse, breather line must remain intact; And in underground coal mine, even then require certain section top of collapsing, the breather line at the place, top of collapsing can not be destroyed, and the outside can also supply gas for the people who is trapped in the inside by breather line in the same old way.The effect that is lifesaving respirator of the present invention also is directly to use the fresh air in the breather line for being trapped in the workman that can't escape voluntarily in the scene of the accident such as the drive by wireway (2), oronasal mask (3), waits for the foreign aid quietly; The effect of holding air bag (1) is the effect of playing compensator or trimmer pressure, many stored airs and prolonging breathing time.The present invention is simple in structure, volume is little, easy to operate, cheap, applicability is wide, is subjected to liking of consumers in general deeply, be suitable for producing in enormous quantities, use.

Claims (4)

1, a kind of lifesaving respirator that is used to flee from fire or gas explosion scene, by holding air bag, oronasal mask and wireway constitute, holding air bag is connected with oronasal mask by wireway, it is characterized in that holding air bag is by fire-resistant cyst wall, the capsule end face, capsule bottom surface and bracing ring constitute, be cylindrical shape after holding airbag aeration, bracing ring is located at the inside top surface of holding air bag and the inboard, bottom surface of cylindrical shape respectively, the capsule end face or the capsule bottom surface of holding air bag offer two blow vents altogether, two blow vents are connected with two wireways respectively, and wherein a wireway also is connected with oronasal mask; Hold air bag when the gas emptying is shrivelled, it is collapsible to hold pneumatophore (comprising cyst wall, capsule end face, capsule bottom surface and bracing ring).

2 a kind of lifesaving respirators that are used to flee from fire or gas explosion scene according to claim 1 is characterized in that described fire-resistant cyst wall, capsule end face, capsule bottom surface are fire-resistant flexible closely knit cloth or polyester material constitutes.

3, a kind of lifesaving respirator that is used to flee from fire or gas explosion scene according to claim 1 is characterized in that described bracing ring is an elastic steel traveler.

4, a kind of lifesaving respirator that is used to flee from fire or gas explosion scene according to claim 1 is characterized in that described oronasal mask or wireway are refractory material such as polyester constitutes.

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