CN2657707Y

CN2657707Y - Portable oxygen lifesaving apparatus

Info

Publication number: CN2657707Y
Application number: CN 200320115629
Authority: CN
Inventors: 吴似良
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-24
Filing date: 2003-10-24
Publication date: 2004-11-24
Anticipated expiration: 2013-10-24

Abstract

The utility model discloses a portable oxygen life-saving arrangement, which comprises an oxygen bomb, a switch, a relief valve, a gas transmission pipe and a nose hood and is characterized in that the oxygen bomb is a bottle body the volume of which is 50 cm <3> to 60cm <3> and one side of which is provided with device for carrying by the waist; the bottom of the bottle body is provided with a gas-filling valve; the switch is a lever type sliding switch for controlling the relief valve and is arranged at the upper part of the bottle body and in a switch box which is connected in correspondence to the bottle body; the relief valve contains a casing, a gas inlet pipe, a gas outlet nozzle and a gas outlet adjusting switch. With small size, the arrangement is easy to carry and can be used for an adult to breath 40 to 60 minutes. The arrangement can not only play an important role in rescuing chokers due to oxygen deficiency in fires, mine accidents or miscellaneous accidents, but also can be carried around by patients of heart or lung diseases for use in case of an emergency so that more time can be won for hospital transfer. The arrangement is applicable to patients and places while accidents or deaths due to oxygen deficiency are prone to occur.

Description

The portable oxygen lifesaving appliance

Technical field

The utility model relates to a kind of breathing equipment, especially with the lifesaving breathing equipment of oxygen.

Background technology

The lifesaving breathing equipment of existing band oxygen generally has three kinds, and first kind is the medical lifesaving breathing equipment of the band oxygen cylinder used of hospital, is a kind of of volume maximum, moves difficulty, and cost is also high; Second kind is that the diver carries on the back at back, the diving lifesaving breathing equipment of the band oxygen that when diving, uses, and volume is bigger, and structure is also complicated; The third is the mountain-climbing lifesaving breathing equipment of the band oxygen of mountaineering use, and its volume structure and underwater breathing apparatus are basic identical.They all comprise bigger oxygen cylinder, switch, pressure-reducing valve, appendix and nose cup, diving and mountain-climbing usefulness also be provided with carrying device; Its advantage is that capacity is big, and oxygen supply time is long; Weak point is the big heaviness of volume, carries inconvenience, and cost is higher.

Summary of the invention

The purpose of this utility model provides a kind of portable oxygen lifesaving appliance, and it should be able to overcome the weak point of above-mentioned oxygen lifesaving breathing equipment, is convenient for carrying, and cost is low.

The utility model comprises storage oxygen bottle, switch, pressure-reducing valve, appendix and nose cup, it is characterized in that:

Described storage oxygen bottle is that a capacity is 50～60cm ³, a side be provided with can be between waist the bottle of carrying device, be provided with a charge valve in the bottom of this bottle;

Described switch is the lever slide switch of a described pressure-reducing valve of control, and this switch is located at the top of described bottle, and correspondingly with bottle is provided with on the box with the switch that is connected;

Described pressure-reducing valve comprises shell, air inlet pipe, gives vent to anger and chew and the gas output by-pass cock; Wherein, the giving vent to anger of chewing of giving vent to anger is subjected to the control of lever slide switch, and air inlet pipe communicates with storage oxygen bottle inner chamber, gives vent to anger to chew to chew with nose cup by appendix and nose cup air inlet to communicate.

The oxygen lifesaving appliance volume of said structure is little, is convenient for carrying, and the bottled full oxygen of storage oxygen can be breathed 40～60 minutes for the adult, can play a significant role in the personnel's rescue because of anoxia asphyxia in fire and mine accident and other accident.Stop to resemble on December 25th, 2000 in Henan because of the fire anoxic, suffocating, the repeated performance of tragedy in 309 people's death, also can allow the heart and lung diseases patient all carry, first aid is used when the state of an illness occurring, send rescue to hospital to win more time, can live one minute, just the hope of many a existence obtains bigger living space more.

Description of drawings

Shown in Figure 1, be that the utility model structure master looks cross-sectional schematic.

Shown in Figure 2, be that Fig. 1 looks cross-sectional schematic along the left side that the A-A line is analysed and observe.

Shown in Figure 3, be the schematic top plan view that Fig. 1 analyses and observe along the B-B line.

Shown in Figure 4, be the schematic top plan view of Fig. 1.

The specific embodiment

Below, the utility model is described in further detail in conjunction with the accompanying drawings.

Look in the cross-sectional schematic as can be known structure master shown in Figure 1, the utility model is provided with box 6, pressure-reducing valve 2, lever slide switch, appendix 5 and nose cup 27 by gas cylinder 1 and top switch thereof.Wherein, gas cylinder 1 is the cuboid airtight container, certainly, also can be other shapes of containers.A side is provided with pressure-reducing valve 2 on bottle 1, is provided with charge valve 25 in the bottom surface.The structure of this charge valve 25 is identical with existing common smoking igniting inflatable lighter, so the detailed structure of not drawing in the drawings, inflation is chewed facing to the past interior pressure of charge valve, and is promptly inflatable, be full of gas after, take away and get final product.The inner chamber capacity of bottle is generally 50～60cm ³, on bottle 1, also being provided with switch box 6 is set, the periphery of this box 6 and bottle 1 are corresponding and fuse, and are used to be provided with lever slide switch mechanism.The inflatable lighter of the structure of pressure-reducing valve 2 and present common smoking igniting identical, so the detailed structure of not drawing in the drawings, it comprises air inlet pipe 24, shell 23 and gives vent to anger and chew 4, and gas output by-pass cock 3; Chew 4 when giving vent to anger when being promoted by the lever slide switch, the oxygen in the storage oxygen bottle 1 chews 4 and appendix 5 by giving vent to anger of pressure-reducing valve 2, gives nose cup 27, breathes for the people.Gas output by-pass cock 3 be located at give vent to anger chew 4 below.The operation principle of pressure-reducing valve 2 and common the identical of inflation lighter that light a cigarette, different is that pressure-reducing valve 2 of the present utility model is not established sparking mechanism, has made full use of prior art.The switch of establishing on bottle 1 is provided with the right side of box 6, be provided with an interlayer 16 and about to chute 17.Between the lid 7 of interlayer 16 and box 6, be provided with the big slide block 13 that shrinkage pool is arranged in the middle of, the T type push rod 18 that has been fixedly connected below this big slide block 13, the upper end of this push rod 18 is enclosed within the chute 17, and big slide block 13 can be horizontally slipped along chute 17; The lower end of push rod 18 is inserted and is withstood in the chute of lever sheet 19.Also be provided with on the lid 7 and interlayer chute 17 corresponding chutes 14, be provided with the locating hole 10 that shift knob 8 closes, the locating hole 15 that right-hand member is provided with out at the left end of this groove 14.Shift knob 9 following be located in the big slide block 13 in the shrinkage pool, be fixedly connected above the small slide block 11 that can slide up and down.Small slide block 11 is cylindrical, is provided with spring 12 in its shrinkage pool that Open Side Down, and the following and big slide block 13 of this spring 12 contacts.When press button 9 is in the locating hole 11 of pass, small slide block 10 is stuck in the hole 11, and switch is in the state of pass, if press the button switch 9, spring 12 stressed contractions, small slide block 11 leaves and closes locating hole 10, is pressed in the shrinkage pool of big slide block 13 slippage of can turning right fully, when sliding to out locating hole 15, decontrol hand, small slide block 10 rebounds and is stuck in out in the locating hole 15, the state that switch 9 is in out.Lever sheet 19 left end heads are forked, and fork is chewed the neck of 4 lower ends giving vent to anger, and the right side is provided with chute, cooperates with the lower end of push rod 18.Corresponding lower fulcrum 22 on being provided with fulcrum 21 below behind the jaw and being fixed on bottle on 1 cooperates, and constitutes the balance pivot of lever sheet 19, and the left arm of force of this fulcrum is shorter than the right arm of force, and promptly power arm is greater than resistance arm; Lever sheet 19 can be done the rotation of certain limit around fulcrum, chews 4 to lever up to give vent to anger, and plays the effect of switch output oxygen.On the lever sheet 19 between last fulcrum 21 and the chute, also be provided with the hole that can pass with the reference column 20 that is fixedly connected above the bottle 1, play the role of positioning.The left side cylinder of interlayer 16 is by screw 8, and last and lid 7 is fixedly connected, and following and reference column 20 is fixedly connected.Lever sheet 19 be subjected to the to horizontally slip control of push rod 18 and press button 8, when position that press button 9 is in out, prizing gives vent to anger chews 4, opens pressure-reducing valve 2, makes oxygen in the gas cylinder 1 chew 4 and appendix 5 by giving vent to anger, and gives nose cup 27 with oxygen, breathes for the people.Nose cup 27 is chewed 28 by air inlet and is connected with appendix 5, is being worn on the nose on the head by elastic webbing 26 hoops.

Shown in Figure 2, be the structural representation that Fig. 1 analyses and observe along the A-A line, mainly expressed lever sheet 19 with push rod 18 and give vent to anger and chew the dependency structure of 4 neck, other structure has adopted omissive representation.The lower end T head of the push rod 18 below the big slide block 13 is inserted in the chute 30 of lever sheet 19, and can slide therein.The switch setting is closed 6 right lateral surface and is provided with belt fastener 32, bottle 1 and box 6 can be buckled on the belt between people's waist, is convenient for carrying.

Shown in Figure 3, be the structural representation that Fig. 1 analyses and observe along the B-B line, mainly express the structure of lever sheet 19.One termination of lever sheet 19 is jaws 31, and fork is chewed 4 neck giving vent to anger, and its rear end is provided with locating hole 29, cooperates with reference column 20, plays the role of positioning.The center of opposite side is provided with chute 30, cooperates with the lower end of push rod 18, and the mobile of press button 9 can be passed on the lever sheet 13, and prizes to give vent to anger by jaw 31 and chew 4, plays open/close effect.

Shown in Figure 4, be the plan structure schematic diagram of Fig. 1, main watchcase covers the structure in the face and the outside.On the lid 7 of box 6, be provided with the hole that to pierce into appendix 5, cooperate the loam cake chute 14 of the hole of fixed cover 7, press button 9 with screw 8.Be provided with on the two ends of chute 14 and close locating hole 11 and drive locating hole 15, in the drawings, press button 9 is in the top of closing in the locating hole 10.

The using method of this portable oxygen lifesaving appliance is: arrive the inner chamber of storing oxygen bottle 1 by charge valve 25 injection oxygen or liquid oxygen, but can use after the oxygenation.By elastic webbing 26 nose cup 27 is worn on the nose, then press button 9 down by and move toward driving locating hole 15, the back handle release puts in place, with the push rod 18 that moves with the long arm end of lever sheet 19 toward pressing down, make the jaw 31 of the other end lever up to give vent to anger and chew 4, the oxygen of storage oxygen bottle 1 inner chamber is by pressure-reducing valve 2 and give vent to anger and chew 4 and appendix 5, arrives nose cup 27, breathe for the person of wearing, go out the adjustable size joint gas output switch 3 of oxygen amount.Through test, at 50～60m ³The bottle intracavity charged pressure be 1.01 * 10 ⁵Handkerchief, temperature are-183 ℃ liquid oxygen, and gas output by-pass cock 3 is transferred to the gas output maximum, can breathe 40～60 minutes for the adult.

Claims

1, a kind of portable oxygen lifesaving appliance, it comprises storage oxygen bottle (1), switch, pressure-reducing valve (2), appendix (5) and nose cup (27), it is characterized in that:

Described storage oxygen bottle (1) is that a capacity is 50～60cm ³, a side be provided with can be between waist the bottle of carrying device, be provided with a charge valve in the bottom of this bottle;

Described switch is the lever slide switch of a described pressure-reducing valve of control, and this switch is located at the top of described bottle (1), and is provided with on the box (6) with the corresponding switch of bottle (1);

Described pressure-reducing valve (2) comprises shell (22), air inlet pipe (24), gives vent to anger and chew (4) and gas output by-pass cock (3); Wherein, give vent to anger and chew the control that giving vent to anger of (4) is subjected to the lever slide switch, air inlet pipe (24) communicates with storage oxygen bottle (1) inner chamber, gives vent to anger to chew (4) and chew (28) by appendix (5) and nose cup air inlet and communicate with nose cup.

2, portable oxygen lifesaving appliance according to claim 1 is characterized in that:

Described switch comprises press button (9), small slide block (11), big slide block (13), push rod (18) and lever sheet (19); Wherein, be fixedly connected below the top and press button (19) of small slide block (11), and be arranged in the shrinkage pool in the middle of the big slide block (13); Be fixedly connected below the top and big slide block (13) of push rod (18), the lower end of T type is inserted in the chute (30) on the lever sheet (19), and jaw (31) fork of lever sheet (19) is chewed the strength portion of (4) lower end giving vent to anger.

3, portable oxygen lifesaving appliance according to claim 1 and 2 is characterized in that:

The power arm of lever sheet (19) is greater than resistance arm.