CN2271378Y

CN2271378Y - Isolating compressed oxygen self-lifesaving device

Info

Publication number: CN2271378Y
Application number: CN 96224167
Authority: CN
Inventors: 石祖龙
Original assignee: CHONGQING COAL MINE SAFETY INSTRUMENT FITTINGS FACTORY
Current assignee: CHONGQING COAL MINE SAFETY INSTRUMENT FITTINGS FACTORY
Priority date: 1996-12-06
Filing date: 1996-12-06
Publication date: 1997-12-31
Anticipated expiration: 2006-12-06

Abstract

The utility model relates to an isolating compressed oxygen self-lifesaving device, which is mainly used under the circumstance that when toxicity or asphyxia calamity happens in a coal mine or other locations, stuff on the spot can rapidly wear the utility model to escape from danger. The utility model comprises an oxygen supplying device and a respiratory device. The utility model is characterized in that the oxygen supplying device is composed of an oxygen bottle, a switch body, an opening valve, an oxygen therapy valve and a pressure indicator, the switch body is installed on a bottle mouth of the oxygen bottle, and the opening valve and the oxygen therapy valve are installed on the left and the right sides of the switch body. The pressure indicator is installed above the switch body; the respiratory apparatus is composed of an air sac, a filtering kettle and a breathing apparatus, and the air sac and the breathing device are positioned above the filtering kettle and are communicated with the filtering kettle; the respiratory device and the oxygen supplying device are connected via a catheter. The utility model can not only regulate and control oxygen supply according to needs, but also has the advantages of flexible manual and air control and safe and reliable use.

Description

Isolation type compressed oxygen self-rescuer

The utility model relates to a kind of individual respirator of protecting personal safety, and when toxicity taking place or suffocate disaster in particular for colliery or other place, personnel on the scene wear the isolation type compressed oxygen self-rescuer of escaping danger rapidly.

Because in mine mines for coal work, accidents such as gas explosion or landslide appear in regular meeting, and this accident is once take place, and if personnel on the scene are the untimely oxygen supply self-rescuer of wearing, and will suffocate because of poisoning or anoxic.Therefore the worker who goes down into a mine need wear self-rescuer.Because the self-rescuer of miner's use at present is a pressure reducer formula compressed oxygen self-rescuer, this self-rescuer volume is big, heaviness, oxygen supply can not be regulated as required, and no matter how many people needs oxygen consuming amount, and it all presses the above ceaselessly oxygen supply of flow of 1.2L/min, therefore, waste of oxygen is big, the cost height.

The purpose of this utility model provides a kind of isolation type compressed oxygen self-rescuer, and it can need carry out oxygen supply by the scene, keeps away row control by manual or pneumatic, thereby saves medicinal oxygen, reduces cost.

Concrete scheme of the present utility model is: comprise apparatus of oxygen supply and breathing equipment, its structural feature is: apparatus of oxygen supply is made up of oxygen cylinder, switch body, open valve, oxygen therapy valve and pressure indicator, switch body is installed on the oxygen cylinder bottleneck, open valve and oxygen therapy valve are installed in the left and right sides of switch body, and pressure indicator is installed in the top of switch body; Breathing equipment is made up of filtering tank, air bag and respirator, and air bag and respirator are positioned at the filtering tank top and communicate with filtering tank; Breathing equipment and apparatus of oxygen supply are connected by conduit.

The utility model is after opening open valve, and oxygen is just entered in the oxygen therapy valve through switch body by oxygen cylinder; Behind the drive link of pressing the oxygen therapy valve with hand, the oxygen therapy passage is opened, and in conduit entered the air bag of breathing equipment, when people's eupnea, oxygen entered respirator by air bag by filtering tank to oxygen by the oxygen therapy valve, breathed for the people again.After oxygen enters the oxygen therapy valve, also can be by pneumatic, promptly sniff slightly and cure by oxygen therapy passage without a break and be opened with mouth, oxygen will be from the oxygen therapy valve in conduit be sent into the air bag of breathing equipment, and people's eupnea just can obtain required oxygen.

Adopt such scheme, compact conformation, volume is little, and is in light weight, easy to carry, and manual and pneumatic oxygen supply is convenient, flexible, safe and reliable, conserve oxygen.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is contour structures of the present utility model (being parts) figure;

Fig. 2 is the cut-away view of Fig. 1.

By circle 1 as can be known: the utility model is divided into apparatus of oxygen supply and breathing equipment two large divisions, and this two large divisions is communicated with by conduit 9, and nose clip 10 is used to clamp the nostril in use.The architectural feature of this utility model is: apparatus of oxygen supply is made up of oxygen cylinder 3, switch body 4, open valve 5, oxygen therapy valve 7 and pressure indicator 6, switch body 4 is installed on oxygen cylinder 3 bottlenecks, open valve 5 and oxygen therapy valve 7 are installed in the left and right sides of switch body 4, and pressure indicator 6 is installed in the top of switch body 4; Breathing equipment is made up of filtering tank 2, air bag 1 and respirator 8, and air bag 1 and respirator 2 are positioned at filtering tank 2 tops and communicate with filtering tank; Breathing equipment and apparatus of oxygen supply are connected by conduit 9.

Further learnt by Fig. 2: conduit 9 is concentric double tubes, and pipe is pneumatic tube 25 in it, and outer tube is an oxygen catheter 24, and 25 1 of pneumatic tubes are connected with the nipples 26 of curing by oxygen therapy valve 7, and the other end is connected with side pipe 35 on the respirator 8; 24 1 couplings 27 with oxygen therapy valve 7 of oxygen catheter are connected, and the other end is connected with air bag 1.Needle 32 in the aforementioned gas valve 7 is connected with diaphragm 34 through drive link 33, and diaphragm 34 is installed on the valve gap 31, and drive link 33 stretches out outside the valve gap 31; Gas valve 7 bottoms at valve gap 31 front ends are provided with the concentric tube joint, and its nipple is a nipple 26, and coupling is coupling 27.With gas valve 7 corresponding open valves 5, be positioned at the opposite side of switch body 4, the valve cone 30 in the open valve 5 is fixed on the swing handle 28 through screw 29, and swing handle 28 is threaded on the switch body 4.

Also can learn from Fig. 2: the respirator 8 the breathing equipment is made up of mouth tool conduit 11, air-exchanging chamber 12, inlet valve 13, breathing catheter 14; Air-exchanging chamber 12 top connector tool conduits 11, below are connected with breathing catheter 14, and inlet valve 13 is installed in air-exchanging chamber 12, and a side of air-exchanging chamber 12 is provided with side pipe 35.Filtering tank 2 in the breathing equipment by middle pressure net 15, greatly press net 18, spring 16, air bleeding valve 17, every bucket 19, CO ₂Absorbent 21, tank body 20, cushion rubber 22, bottom 23 are formed, wherein stretch in the tank body 20 from tank body 20 tops every bucket 19, tank body 20 inside are divided into two intervals, press net 15 in bucket 19 tops are equipped with, tank body 20 tops are equipped with big pressure net 18, are connected with breathing catheter 14 in the respirator every bucket 19 tops, tank body 20 tops communicate with air bag 1, air bleeding valve 17 is installed above tank body 20, and the bottom of tank body 20 is equipped with bottom 23 through cushion rubber 22, reaches at tank body 20 and be placed with CO in bucket 19 ₂Absorbent 21.CO in the filtering tank 2 ₂Absorbent 21, the CO that the people can be breathed out ₂Sponge, be transported to then in the air bag 1.The people is when eupnea, and the oxygen in the air bag 1 is through CO ₂After absorbent 21 and pressure net 15 and 18 filter once more, send in the respirator 8 for people's absorption.

The utility model is performed such work: be rotated counterclockwise swing handle 28, screw 29 and valve cone 30 are moved to the left, and the awl point of valve cone breaks away from the aperture in the switch body 4, and the oxygen in the oxygen cylinder 3 enters in the oxygen therapy valve 7 through this aperture.When pressing drive link 33 left with hand, the needle 32 that links to each other with drive link just is moved to the left with drive link 33, and gas valve 7 valves are opened, and oxygen enters oxygen catheter 24 along the coupling 27 of gas valve, flows into then in the air bag 1.People's eupnea, oxygen are just entered in the tank body 20 by air bag 1, by entering breathing catheter 14 every bucket 19 internal channels, are listed as a mouthful tool conduit 11 from breathing catheter 14 through air-exchanging chamber 12 again again, absorb for the people.The utility model not only can adopt manual oxygen supply, also can adopt pneumatic oxygen supply, and its way is: sniff slightly without a break with mouth, the valve of inlet valve 13 moves up, valve closing.The negative pressure of inlet valve 13 tops passes to the left side of oxygen therapy valve film 34 through side pipe 35 and pneumatic tube 25, because the pressure at this place is far smaller than the atmospheric pressure on diaphragm 34 right sides, therefore, diaphragm 34 is under the effect of atmospheric pressure, driving drive link 33 and needle 32 is moved to the left, gas valve 7 is opened, and oxygen just enters in the air bag 1 along coupling 27, oxygen catheter 24.When people's eupnea, oxygen just enters respirator 1 from air bag 1 through filtering tank 2, breathes for the people.Open drive link 33 and people when making eupnea when openhanded, the pressure in the oxygen therapy valve 7 are far longer than extraneous atmospheric pressure, and needle 32 and drive link 33 move right, and close oxygen therapy valve 7 oxygen therapy passages, with regard to no longer oxygen supply, just can reach the purpose of economizing on oxygen like this.If stop using the utility model, the swing handle 28 that can turn clockwise, screw 29 and valve cone 30 move right, and stop up the aperture of supplying gas of switch body 4, and source of oxygen is cut off.

Claims

1. isolation type compressed oxygen self-rescuer, comprise apparatus of oxygen supply and breathing equipment, it is characterized in that: apparatus of oxygen supply is made up of oxygen cylinder (3), switch body (4), open valve (5), oxygen therapy valve (7) and pressure indicator (6), switch body (4) is installed on oxygen cylinder (3) bottleneck, open valve (5) and oxygen therapy valve (7) are installed in the left and right sides of switch body (4), and pressure indicator (6) is installed in the top of switch body (4); Breathing equipment is made up of filtering tank (2), air bag (1) and respirator (8), and air bag (1) and respirator (2) are positioned at filtering tank (2) top and communicate with filtering tank; Breathing equipment and apparatus of oxygen supply are connected by conduit (9).

2. isolation type compressed oxygen self-rescuer according to claim 1, it is characterized in that conduit (9) is a concentric double tubes, pipe is pneumatic tube (25) in it, outer tube is oxygen catheter (24), (25) one of pneumatic tubes are connected with the nipples (26) of oxygen therapy valve (7), and the other end is connected with side pipe (35) on the respirator (8); (24) couplings (27) with oxygen therapy valve (7) of oxygen catheter are connected, and the other end is connected with air bag (1).

3. isolation type compressed oxygen self-rescuer according to claim 1 is characterized in that the needle (32) in the gas valve (7) is connected with diaphragm (34) through drive link (33), and diaphragm (34) is installed on the valve gap (31), and drive link (33) stretches out outside the valve gap (31); Gas valve (7) bottom at valve gap (31) front end is provided with the concentric tube joint, and its nipple is nipple (26), and coupling is coupling (27).

4. isolation type compressed oxygen self-rescuer according to claim 1 is characterized in that the valve cone (30) in the open valve (5) is fixed on the swing handle (28) through screw (29), and swing handle (28) is threaded on the switch body (4).

5. a kind of isolation type compressed oxygen self-rescuer according to claim 1 is characterized in that respirator (8) is made up of mouth tool conduit (11), air-exchanging chamber (12), inlet valve (13), breathing catheter (14); Air-exchanging chamber (12) top connector tool conduit (11), below are connected with breathing catheter (14), and inlet valve (13) is installed in air-exchanging chamber (12), and a side of air-exchanging chamber (12) is provided with side pipe (35).

6. isolation type compressed oxygen self-rescuer according to claim 2, it is characterized in that filtering tank (2) is by middle pressure net (15), the big net (18) of pressing, spring (16), air bleeding valve (17), every bucket (19), CO2 absorbent (21), tank body (20), cushion rubber (22), bottom (23) is formed, wherein stretch in the tank body (20) from tank body (20) top every bucket (19), tank body (20) inside is divided into two intervals, in being equipped with, bucket (19) top presses net (15), tank body (20) top is equipped with big pressure net (18), be connected with breathing catheter (14) in the respirator every bucket (19) top, tank body (20) top communicates with air bag (1), in tank body (20) top air bleeding valve (17) is installed, the bottom of tank body (20) is equipped with bottom (23) through cushion rubber (22), reaches at tank body (20) and be placed with CO in bucket (19) ₂Absorbent (21).