CN2086304U

CN2086304U - Thirty minutes compressed oxygen self saving unit

Info

Publication number: CN2086304U
Application number: CN 90220161
Authority: CN
Inventors: 张福堂; 王忠义; 胡永盛; 徐宝会; 刘永德
Original assignee: Safety Instr Fittings Co Of Fu
Current assignee: Safety Instr Fittings Co Of Fu
Priority date: 1990-09-07
Filing date: 1990-09-07
Publication date: 1991-10-09

Abstract

The utility model relates to a compressed oxygen self-saving device in thirty minutes, which is mainly used for the rescue or the self saving when an anoxic phenomenon or harmful gas occurs underground a coal mine. The utility model is mainly characterized in that an oxygen pressure meter, a reducer and an automatic supply valve are combined on a valve spud of an oxygen bottle to form a whole, wherein, the pressure meter is a constant pressure meter; a butterfly-shaped spring counter-flow type valve structure is respectively used for air supply in the reducer and the automatic supply valve; a hose machine is clamped by constantly using a fastening belt; an upper cover of a box body is provided with an observation window of the oxygen pressure meter. As the parts are improved, the utility model is made to have the advantages of quick primary oxygen supply, low air breathing temperature, small breathing resistance, convenient oxygen pressure meter value observation, small complete machine size, light weight, good air tightness, convenient repeated operation, etc. According to the national conditions of China, the compressed oxygen self-saving device in thirty minutes is the most practical self-saving escaping device; the utility model is capable of ensuring the escaping from a distress area within valid time, prevents the wasting, reduces wearer 's burden and is an optimum selection of self saving and escaping.

Description

Thirty minutes compressed oxygen self saving unit

The utility model belongs to lifesaving appliance, be a kind of be mainly used in the coal mine subordinate when anoxic or toxic gas take place rescue or save oneself, be improvement to existing self-rescuer.

At present under the coal mine used self-rescuer have 45 minutes, 60 minutes etc. multiple, as homemade AYG-45, West Germany DXY-45, U.S. AV-9AL etc.The self-rescuer of mentioned kind its service time, outside the advantage of length, its problem had the following aspects: the one, and self-rescuer oxygen supply part assembly disperses connection, pipeline is many, machine volume is big, weight is big; The 2nd, the oxygen cylinder switch adopts rotary switch, opens slowly during use, and the initial stage oxygen supply is also slow; The 3rd, oxygen gauge is connected after the switch in the pipeline, thereby when having only switch opens, just can make the pressure meter indicated pressure, is not easy to check; The 4th, the oxygen supply mode adopts the oxygen supply of downflow type structure, voltage supply instability; The 5th, the oxygen cylinder clarifier is fixing easy inadequately.

The purpose of this utility model is to overcome the above deficiency that above-mentioned self-rescuer exists, and it is little, in light weight to provide a kind of complete machine size, and the initial stage oxygen supply is fast, and voltage supply is stable, fixing self-rescuer simply and easily.

The improvement of the utility model in structure is as follows: the one, and with oxygen cylinder switch, pressure reducer, pressure meter, manually the replenish valve unit construction is chewed on the pedestal at oxygen cylinder, makes it to become one, make its compact conformation, size little, in light weight; The 2nd, oxygen gauge is often to refer to pressure meter by chewing straight-through oxygen cylinder of gas circuit in the pedestal without switch control, pressure meter; Be convenient to check the oxygen cylinder internal gas pressure; The 3rd, the oxygen cylinder switch is selected for use and is removed the turn-off pass, and is connected on the box body with slide fastener, makes it to uncap just to remove turn-off pass air feed; The 4th, in pressure reducer and manual replenish valve, adopt reverse-flow oxygen supply, and it is stable to adopt butterfly spring to make it voltage supply in pressure reducer, the 5th, in restraint zone, adopt the middle part of the side to tighten and both sides hook mode, fixation is easy.

Concrete structure contrast description of drawings of the present utility model is as follows:

Fig. 1 is that the self-rescuer user mode is launched schematic diagram;

Fig. 2 is an oxygen supply part schematic diagram;

Fig. 3 is the restraint zone schematic diagram.

Among Fig. 1, pressure reducer 1, pressure meter 2, manual replenish valve 12 are combined in chewing in the pedestal of oxygen cylinder 5 tops, its pressure reducer 1 usefulness pressure regulation cap 13 and shellfish cap 14 are fixed on chews the pedestal top, pressure meter 2 usefulness one side screw socket is screwedly mounted on chews pedestal one side, and manually replenish valve 12 usefulness screw sockets are screwedly mounted on and chew pedestal and pressure meter 2 corresponding sides;

In Fig. 2, there is an inner groovy pressure regulation cap 13 the insides in the pressure reducer 1, and groove is equipped with butterfly spring 15; The gas circuit 16 of chewing in the pedestal is led to pressure reducer 1 and manual replenish valve 12; Manually the top and bottom in the replenish valve are communicated with by gas circuit 17.

Place, restraint zone 8 middle parts of the side has bolt 4 fastening in Fig. 1,3, and both sides are hooked on by hook 3 on the hook ring of air bag 6, and 11 for clarifier is fixed in the restraint zone 8, and the lower end even is contained on the air bag, and it is the preceding mouth tool plug of breathing hose that top connects

breathing hose

9,10, and 7 is nose clip.

The utility model complete machine size is little, in light weight, be easy to carry, help the rescue personnel uses, because designs simplification, be convenient to check, use cost is lower, can be for ambulance corps or industrial and mineral, the use when staff of enterprises and institutions works under anoxic and toxic gas environment.

Claims

1,30 minutes compressed oxygen self-rescuers, its oxygen supply partly include on oxygen cylinder 5 and this bottle chew pedestal and by chewing the pressure reducer 1 that pedestal is connected, pressure meter 2, manual replenish valve 12, the clarifier 11 that its breathing partly has air bag 6 to be connected with this air bag, breathing hose 9 by the clarifier connection, mouth tool plug 10 by flexible pipe 9 connections, nose clip 7, its oxygen cylinder 5 and clarifier 11 usefulness fixed bands 8 are fixing, the feature of this self-rescuer is a pressure reducer 1, pressure meter 2, manually replenish valve 12 is combined in chewing in the pedestal of oxygen cylinder 5 tops, wherein pressure meter 2 is that a gas circuit leads directly to gas bottle by this pressure meter in the pedestal by chewing, normal finger pressure meter without switch control, chew in the pedestal gas circuit 16 and lead to pressure reducer 1 and manual replenish valve 12, on in the manual replenish valve 12, the lower end is communicated with by gas circuit in this valve 17, place, restraint zone 8 middle parts of the side has bolt 4 fastening, and both sides are hung on the hook ring of air bag 6 by hook 3.

2, self-rescuer according to claim 1 is characterized in that being combined in the pressure reducer 1 chewed in the pedestal and can be fixed on pressure regulation cap 13 and shellfish cap 14 and chew the pedestal top, and there is a groove its pressure regulation cap the inside, and butterfly spring 15 is housed in the groove; Be combined in the pressure meter chewed on the pedestal 6 and manually 12 all available side screw sockets of replenish valve be assembled in and chew on the pedestal, and can correspondingly be provided with.