CN219375751U - Emergency oxygen supply device - Google Patents

Abstract

The utility model discloses an emergency oxygen supply device which comprises a head cover body and an oxygen candle, wherein the head cover body can be folded and curled, and the oxygen candle is a solid chemical oxygen generator. When in actual use, a trapped person expands the head cover body and sleeves the head cover body on the head, the opening part is fixed on the neck of a user by tightening the elastic fixing piece, the starting piece is pulled out manually, or the starting piece is pulled out by using the pulling force of the connecting piece when the head cover body is used, the striking piece is impacted by the elastic force of the spring to strike the fire cap so as to trigger the chemical oxygen generator in the oxygen candle to react, oxygen is generated, and the oxygen is released from the air outlet to the accommodating space for breathing of the user. The emergency oxygen supply device adopts the oxygen candle to replace the traditional compressed oxygen bottle, can effectively avoid explosion of the emergency oxygen supply device caused by collision or temperature change, has large oxygen quantity and high purity, and has the same volume of oxygen candle which has longer oxygen supply time compared with the traditional compressed oxygen bottle.

Description

Emergency oxygen supply device

Technical Field

The utility model relates to the technical field of emergency oxygen supply, and particularly discloses an emergency oxygen supply device.

Background

In many safety escape accidents, such as fire escape, factory toxic gas escape, automobile water flushing escape, etc., people need to be supplied with oxygen for escape in a short time, so that many emergency oxygen supply devices are available on the market to supply oxygen for trapped people so as to help the trapped people to get more time for escape or wait for rescue. However, most of the existing emergency oxygen supply devices adopt compressed oxygen cylinders to release oxygen, and because the compressed oxygen cylinders are hard in appearance, the emergency oxygen supply devices are inconvenient to store, and the compressed oxygen cylinders can explode under special conditions such as high temperature and collision, so that certain dangers exist, and the oxygen cylinders belong to dangerous articles, and particularly are very dangerous when placed on automobiles.

Disclosure of Invention

In order to overcome the defect and the defect that a compressed oxygen cylinder in an oxygen supply device in the prior art is easy to explode, the utility model aims to provide an emergency oxygen supply device.

In order to achieve the above object, an emergency oxygen supply device of the present utility model includes a foldable curled hood body provided with an accommodating space for accommodating a user's head, an opening communicating with the accommodating space, and an elastic fixing member for fixing the hood body; still including setting up in the oxygen candle of hood body, oxygen candle is provided with start switch and gas outlet respectively, and start switch is used for starting oxygen candle system oxygen, and the oxygen that oxygen candle produced releases the accommodation space through the gas outlet in for the user to use.

Specifically, the elastic fixing pieces are arranged at the opening part and can tighten the opening part so that the hood body is fixed on the head of a user, and the number of the elastic fixing pieces is at least one.

Specifically, the starting switch comprises a striking seat, a fire cap, a striking piece, a spring, a starting piece and a fire cap seat, wherein the striking seat is fixedly arranged at the same end of the oxygen candle, the fire cap is fixedly arranged at the same end of the oxygen candle through the fire cap seat, the striking piece is movably arranged on the striking seat and far away from the fire cap, the spring is arranged between the striking piece and the striking seat in an elastic deformation state, and the starting piece is movably arranged on the striking seat and limits the striking piece.

Specifically, the start switch also includes the protection casing, and the protection casing sets up the tip at the oxygen candle and is used for the shade start switch to provide the protection for the striking piece and prevents other articles from blocking the striking piece and striking the hood.

Specifically, the starting switch further comprises a connecting piece, and one end of the connecting piece is connected to the starting piece.

Specifically, the other end of the connecting piece is connected to the position of the head cover body far away from the oxygen candle starting switch or arranged outside the head cover body.

Specifically, the side wall of the accommodating space is fully transparent or partially transparent so that a user can observe the environment outside the accommodating space through the transparent side wall.

Specifically, the oxygen candle sets up in the inside of hood body, and the oxygen that the oxygen candle released is direct in the accommodation space through the gas outlet output.

Specifically, the oxygen candle sets up in the outside of hood body, and the hood body still is provided with gas passage, and the oxygen that the oxygen candle released gets into accommodation space via gas passage.

Specifically, the inside breather pipe that still is provided with of hood body, the breather pipe is used for when intaking in the twinkling of an eye the inside oxygen of accommodation space be insufficient for when discharging water out the hood body the user use accommodation space upper portion oxygen to breathe, and the one end of breather pipe can be dismantled and be linked together in the gas outlet, and the other end of breather pipe is provided with the breathing mouth.

Specifically, the head cover body is also provided with a gas inlet and a gas outlet, the gas inlet and the gas outlet are provided with a connection switch, and the connection port can be connected to the gas inlet and the gas outlet of the other head cover body.

Specifically, the oxygen candle also comprises a heat insulating piece, a flammable agent, an oxygen generating agent, a filtering agent and filtering cotton, wherein the heat insulating cotton is wrapped on the outer sides of the flammable agent and the oxygen generating agent, and the flammable agent, the oxygen generating agent, the filtering agent and the filtering cotton are sequentially arranged from the fire cap to the air outlet.

Specifically, the hood body adopts waterproof, collapsible curled plastic materials to make, and the hood body is provided with warning portion outward, and warning portion is used for warning discernment in order to the rescue personnel to discover the user.

The utility model has the beneficial effects that: the emergency oxygen supply device comprises a head cover body and an oxygen candle, wherein the head cover body can be folded and curled, and the oxygen candle is a solid chemical oxygen generator. When in actual use, a trapped person expands the head cover body and sleeves the head cover body on the head, the opening part is fixed on the neck of a user by tightening the elastic fixing piece, the starting piece is pulled out manually, or the starting piece is pulled out by using the pulling force of the connecting piece when the head cover body is used, the striking piece is impacted by the elastic force of the spring to strike the fire cap so as to trigger the chemical oxygen generator in the oxygen candle to react, oxygen is generated, and the oxygen is released from the air outlet to the accommodating space for breathing of the user. The emergency oxygen supply device adopts the oxygen candle to replace the traditional compressed oxygen bottle, can effectively avoid explosion of the emergency oxygen supply device caused by collision or temperature change, has large oxygen quantity and high purity, and has the same volume of oxygen candle which has longer oxygen supply time compared with the traditional compressed oxygen bottle.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the hood body in the opened configuration of the oxygen candle assembly mode 1 of the present utility model;

FIG. 4 is a schematic view of a folding structure of a hood body according to an oxygen candle mounting mode 1 of the present utility model;

FIG. 5 is a schematic view of the hood body in accordance with the present utility model in a hood body deployment configuration of oxygen candle assembly mode 2;

FIG. 6 is a schematic view of a folding structure of a hood body according to an oxygen candle mounting manner 2 of the present utility model;

FIG. 7 is a schematic view of a straight striking switch according to the present utility model;

FIG. 8 is a schematic view of another embodiment of a linear striking switch according to the present utility model;

FIG. 9 is a schematic diagram of an arc striking switch according to the present utility model;

fig. 10 is a schematic view of another structure of the arc striking switch of the present utility model.

The reference numerals include:

1-head cover body 2-oxygen candle 3-starting switch

11-accommodation space 12-opening 13-elastic fixing piece

14-reinforcing member 15-connecting member 16-gas inlet and outlet

17-connection switch 18-warning part 19-storage bag

21-air outlet 22-breather pipe 23-breathing port

24-tank 25-heat insulation cotton 26-inflammable agent

27-oxygen-generating agent 28-filtering agent 29-filtering cotton

31-striking base 32-fire cap 33-striking piece

34-spring 35-actuator 36-shield

37-fire cap seat.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Referring to fig. 1 to 10, the emergency oxygen supply device of the present utility model includes a foldable and curled hood body 1, and when not in use, the hood body 1 is curled and folded and placed in a matched packaging container, so that the device is convenient to store and carry; the head cover body 1 is provided with an accommodating space 11 for accommodating the head of a user, an opening part 12 communicated with the accommodating space 11 and elastic fixing pieces 13 for tightening the opening part 12, wherein the number of the elastic fixing pieces 13 is one or more; when the head cover is used, a user takes out the head cover body 1 and opens the head cover body, the head of the user stretches into the accommodating space 11 from the opening part 12, the opening part 12 can be tightly attached to and fixed on the neck of the user by tightening the elastic fixing piece 13, the head cover body 1 is fixed on the head of the user, and the volume of the accommodating space 11 is larger than that of the opening part 12 after the head cover body 1 is inflated.

In the present embodiment, the hood body 1 is of an integral structure; the hood body 1 may be a split type structure, and the hood body 1 having the pocket-like accommodating space 11 and the opening 12 may be formed by combining them in use.

The oxygen candle device also comprises oxygen candles 2 arranged on the head cover body 1, wherein the number of the oxygen candles 2 is one or more, the oxygen candles 2 can be connected and arranged inside the head cover body 1 and also can be connected and arranged outside the head cover body 1, when the oxygen candles 2 are arranged outside the head cover body 1, oxygen enters the accommodating space 11 through the gas channel, and the oxygen candles 2 can be replaced; the both sides of oxygen candle 2 are provided with start switch 3 and gas outlet 21 respectively, and start switch 3 is used for starting oxygen candle 2 system oxygen, and the oxygen that oxygen candle 2 generated releases in accommodating space 11 through gas outlet 21 for the user to use. Specifically, the oxygen candle 2 is a solid chemical oxygen generator, the oxygen candle 2 comprises a tank 24, a starting switch 3 and an air outlet 21 are respectively arranged on two side cover plates of the tank 24, a heat insulation piece 25, a flammable agent 26, an oxygen generating agent 27, a filtering agent 28 and a filtering cotton 29 are arranged in the tank 24, the heat insulation cotton 25 is wrapped on the outer sides of the flammable agent 26 and the oxygen generating agent 27, and the flammable agent 26, the oxygen generating agent 27, the filtering agent 28 and the filtering cotton 29 are sequentially arranged from a fire cap 32 to the air outlet 21.

Referring to fig. 1, the elastic fixing members 13 are disposed at the opening 12 and can tighten the opening 12 to fix the hood body 1 to the head of the user, and the number of the elastic fixing members 13 is at least one; when the head cover is used, a user takes out the head cover body 1 and opens the head cover body, the head of the user stretches into the accommodating space 11 from the opening part 12, the elastic fixing pieces 13 penetrate through arms of the user or fix the head cover body 1 on the head and neck of the user through shoulders of the user, and a plurality of elastic fixing pieces 13 can be used for simultaneously fixing the neck and the arms or the shoulders of the user, so that the head cover body 1 is fixed on the head of the user without separation.

Referring to fig. 1, the elastic fixing member 13 includes an automatic elastic fixing member 13 and a manual elastic fixing member 13, where the automatic elastic fixing member 13 is a member with elastic properties such as elastic cord, elastic band, spring, elastic band, etc.; the manual elastic fixing member 13 is a member which needs to be manually adhered or folded and unfolded, such as a magic tape, an elastic rope, a buckle, a rope buckle, an elastic buckle, an inserting buckle, a hanging buckle, a button, a knot, a zipper and the like. In this embodiment, the elastic fixing member 13 is a member combining a rope, a belt, and an elastic buckle, and the opening 12 is provided with one or more perforations for accommodating the elastic fixing member 13, and the one or more elastic fixing members 13 movably penetrate through the required perforations to tighten and loosen the opening 12. The elastic fixing piece 13 can also be arranged at other parts of the head cover body 1. Referring to fig. 2, the hood body 1 may further include a plurality of reinforcing members 14, and the plurality of reinforcing members 14 are fixed to the side walls of the opening 12 in parallel. Because the hood is soft, the stiffening member 14 is used to tighten the opening 12 with the elastic securing member 13 to create a rigid collar on the neck of the user that increases the length between the hood opening 12 and the mouth and nose of the user so that the opening 12 is as far from the mouth and nose of the user as possible.

Referring to fig. 2, the starting switch 3 includes a striking seat 31, a fire cap 32, a striking member 33, a spring 34, a starting member 35 and a fire cap seat 37, wherein the striking seat 31 is fixedly disposed at one end of the oxygen candle 2, the fire cap 32 is fixedly mounted at the same end of the oxygen candle 2 via the fire cap seat 37, the striking member 33 is movably mounted on the striking seat 31 and far away from the fire cap 32, the spring 34 is disposed between the striking member 33 and the striking seat 31 in an elastically deformed state, and the starting member 35 is movably mounted on the striking seat 31 and limits the striking member 33. The fire cap 32 is fixedly arranged on an end cover plate of the oxygen candle 2 by the fire cap seat 37, the striking piece 33 directly strikes the fire cap 32 of the fire cap seat 37 to start oxygen production, the fire cap seat 37 can be also provided with a striking hammer, and the striking piece 33 strikes the striking hammer of the fire cap seat 37 to start oxygen production. The starting piece 35 can be exposed outside the hood body 1 in the hood body 1, the striking piece 33 can be separated after the pushing and the pressing, the striking piece 33 strikes the fire cap 32 under the action of the spring 34, the fire cap 32 ignites the inflammable agent 26 in the oxygen candle 2, the chemical reaction of the oxygen generator 27 is excited to start oxygen generation, and the oxygen enters the hood through the air outlet 21 after being filtered.

Referring to fig. 7 to 8, the start switch 3 is a linear striking switch, and the striking path of the linear striking switch is a linear movement, that is, after the striking member 33 is separated from the limit of the start member 35, the striking member 33 is directly struck by the fire cap 32 under the action of the elastic force of the spring 34, so as to start the oxygen candle 2 to produce oxygen.

Referring to fig. 9 to 10, the start switch 3 may also be an arc striking switch, and the striking path of the arc striking switch is an arc movement, that is, the striking member 33 is rotatably mounted on the striking seat 31, and when the striking member 33 is separated from the limitation of the start member 35, the striking member 33 is rotated by the elastic force of the spring 34 to strike the fire cap 32, so as to start the oxygen candle 2 to produce oxygen.

Referring to fig. 2 and 9, the start switch 3 may further be provided with a protection cover 36, and the protection cover 36 is disposed at an end of the oxygen candle 2 and used for shielding the start switch 3. The shield 36 provides shielding for the space of the striking path of the striking member 33, and prevents other objects from blocking the striking member 33 from striking the hood 32.

Referring to fig. 1, in this embodiment, the starting switch 3 further includes a connecting member 15, and one end of the connecting member 15 is fixedly connected to the starting member 35. The other end of the connecting piece 15 is connected to the position of the head cover body 1 far away from the oxygen candle 2 starting switch 3 or is arranged outside the head cover body 1. The other end of the connecting piece 15 can also be connected to a packaging container or a packaging container cover, when a user takes the emergency oxygen supply device out of the packaging container or opens the packaging container, the connecting piece 15 drives the starting piece 35 to be separated from the striking piece 33 to start oxygen production by the oxygen candle 2; the other end of the connecting piece 15 can be disconnected with any object, and when the emergency oxygen supply device is used, a user manually pulls the connecting piece 15 so that the starting piece 35 is separated from the striking piece 33, and the oxygen candle 2 is started to produce oxygen.

Referring to fig. 3 to 6, a connecting portion may be further provided at a position of the hood body 1 away from the start switch 3 of the oxygen candle 2, one end of the connecting member 15 away from the start member 35 is fixedly provided at the connecting portion, the connecting member 15 may also be exposed outside the hood body 1 inside the hood body 1, the length of the connecting member 15 is smaller than the distance from the connecting portion to the start member 35 when the hood body 1 is unfolded, the connecting member 15 is not parallel to the axis of the oxygen candle 2, the length of the connecting member 15 is smaller than the distance from the connecting portion to the start member 35 when the hood body 1 is unfolded or the opening 12 is unfolded, and when the hood body 1 is unfolded or the opening 12 is opened to allow the head of a user to enter the hood accommodating space 11, the connecting member 15 is not long enough to drive the start member 35 to separate from the striking member 33, thereby starting the oxygen candle 2 to generate oxygen.

Specifically, the side wall of the accommodating space 11 is configured to be fully transparent or partially transparent, so that a user can observe the environment outside the accommodating space 11 through the transparent side wall. The accommodation space 11 is made of transparent soft material or is made of transparent material partially, so that a user can observe the surrounding environment conveniently, and the trapped environment can be described when avoiding danger or asking help so as to facilitate rescue personnel to rescue better.

Specifically, the oxygen candle 2 may be disposed inside the hood body 2, and the oxygen candle 2 disposed inside the hood body 1 may directly release oxygen into the accommodating space 11 through the air outlet 21; the oxygen candle 2 is arranged outside the head cover body 1, the head cover body 1 is also provided with a gas channel, and oxygen released by the oxygen candle 2 enters the accommodating space 11 through the gas channel.

Referring to fig. 2, a ventilation pipe 22 may be further disposed in the hood body 1, where the ventilation pipe 22 is used for oxygen in the accommodating space 11 when water is instantaneously fed, and the oxygen in the upper portion of the accommodating space 11 is not sufficient for breathing when the water is discharged out of the hood body 1, one end of the ventilation pipe 22 is detachably connected to the air outlet 21, and the other end of the ventilation pipe 22 is provided with a breathing port 23. When the air outlet 21 is communicated, a user can directly breathe the breathing opening 23 contained in the mouth, and the breathing pipe 22 can also be connected with the air inlet and outlet 16 of other oxygen supplying hoods by using the breathing opening 23.

Specifically, the hood body 1 may be further provided with elastic members such as elastic ropes, rubber bands, springs, elastic bands, etc., so as to maintain the pressure of the hood body 1 after inflation when in underwater use, thereby avoiding the water from entering the accommodating space 11 due to insufficient pressure of the hood body 1.

Referring to fig. 1 to 2, the hood body 1 may further be provided with a gas inlet and outlet 16, the gas inlet and outlet 16 is provided with a connection switch 17, the gas inlet and outlet 16 of the hood body 1 may be connected to the gas outlet pipe 22 of other oxygen candles 2, so that oxygen can be conveniently supplied to the hood body 1 when oxygen in the oxygen candles 2 is consumed, and the use time of a user is prolonged, thereby competing for more rescue time and opportunities.

Referring to fig. 1, the hood body 1 may be made of a waterproof, transparent, foldable and curled plastic material alone, or may be made of a combination of a waterproof, transparent, foldable and curled flexible material and a foldable and curled plastic material such as a flexible plastic material, animal leather, artificial leather, mixed leather, regenerated leather, non-woven fabric, waterproof paper, cotton cloth, chemical fiber cloth, linen, woolen cloth, silk, and blended fabric; the hood body 1 is provided with warning portion 18 outward, and warning portion 18 is used for warning discernment in order that the rescue personnel to find the user, and warning portion 18 adopts waterproof soft collapsible curly striking colour material to make.

Referring to fig. 1 to 2, the hood body 1 may further be provided with a storage bag 19, where the storage bag 19 is disposed on an inner sidewall of the accommodating space 11, and the storage bag 19 may be used for storing a detachable communication device and a lighting device.

When the helmet is in practical use, after the helmet body 1 is taken out from the packaging container, the helmet body 1 is sleeved on the head of a user, the opening 12 is fixed on the neck of the user by tightening the elastic fixing piece 13, the starting piece 35 can be pulled out manually, or the starting piece 35 is pulled out by pulling the connecting piece 15 when the helmet body 1 is used, the striking piece 33 is impacted by the elastic force of the spring 34 to the fire cap 32 to ignite the inflammable agent 26, so that the chemical oxygen generator 27 in the oxygen candle 2 is triggered to react, oxygen is generated, and the oxygen is released into the accommodating space 11 from the air outlet 21 for breathing of the user. In another mode, when the oxygen candle 2 is started to produce oxygen, one end of the connecting piece 15 far away from the starting piece 35 is connected to the packaging container, when a trapped person opens and takes out the hood body 1, the connecting piece 15 drives the starting piece 35 to be separated from the striking piece 33 to start the oxygen candle 2 to produce oxygen, and if the oxygen candle 2 does not start to supply oxygen, the connecting piece 15 can be manually pulled to pull out the starting piece 35.

When the hood body 1 is provided with a plurality of oxygen candles 2, the connecting piece 15 is connected with the starting piece 35 and is arranged outside the hood body 1, the second or more than two oxygen candles 2 are manually started to produce oxygen, and under the condition that the oxygen candles 2 stop supplying oxygen or do not supply oxygen normally, a user restarts the other oxygen candles 2 to produce oxygen or replace the oxygen candles 2, and can also connect the oxygen of the other hood bodies 1 or the oxygen candles 2 when the hood body 1 is not taken down. The emergency oxygen supply device adopts the oxygen candle 2 to replace the traditional compressed oxygen bottle, can effectively avoid the explosion of the emergency oxygen supply device caused by collision or temperature change, and has the advantages of large oxygen quantity and high purity, and the oxygen candle 2 with the same volume has longer oxygen supply time compared with the traditional compressed oxygen bottle.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. An emergency oxygen supply device comprises a foldable curled head cover body (1), wherein the head cover body (1) is provided with an accommodating space (11) for accommodating the head of a user, an opening part (12) communicated with the accommodating space (11) and an elastic fixing piece (13) for fixing the head cover body (1); the method is characterized in that: still including setting up in oxygen candle (2) of hood body (1), oxygen candle (2) are provided with start switch (3) and gas outlet (21), and start switch (3) are used for starting oxygen candle (2) system oxygen, and the oxygen that oxygen candle (2) generated releases in accommodation space (11) through gas outlet (21) for the user to use.

2. The emergency oxygen supply of claim 1, wherein: the elastic fixing pieces (13) are arranged at the opening part (12) and can tighten the opening part (12) so as to fix the hood body (1) on the head of a user, and the number of the elastic fixing pieces (13) is at least one.

3. The emergency oxygen supply of claim 1, wherein: the starting switch (3) comprises a striking seat (31), a fire cap (32), a striking piece (33), a spring (34), a starting piece (35) and a fire cap seat (37), wherein the striking seat (31) is fixedly arranged at one end of the oxygen candle (2), the fire cap (32) is fixedly arranged at the same end of the oxygen candle (2) through the fire cap seat (37), the striking piece (33) is movably arranged on the striking seat (31) and far away from the fire cap (32), the spring (34) is arranged between the striking piece (33) and the striking seat (31) in an elastic deformation state, and the starting piece (35) is movably arranged on the striking seat (31) and limits the striking piece (33).

4. An emergency oxygen supply according to claim 3, wherein: the starting switch (3) further comprises a connecting piece (15), and one end of the connecting piece (15) is connected to the starting piece (35).

5. The emergency oxygen supply of claim 4, wherein: the other end of the connecting piece (15) is connected to the position of the head cover body (1) far away from the oxygen candle (2) starting switch (3) or arranged outside the head cover body (1).

6. The emergency oxygen supply of claim 1, wherein: the side wall of the accommodating space (11) is arranged to be fully transparent or partially transparent, so that a user can observe the environment outside the accommodating space (11) through the transparent side wall.

7. The emergency oxygen supply of claim 1, wherein: the oxygen candle (2) is arranged in the hood body (1), and oxygen released by the oxygen candle (2) is directly output into the accommodating space (11) through the air outlet (21).

8. The emergency oxygen supply of claim 1, wherein: the oxygen candle (2) is arranged outside the head cover body (1), the head cover body (1) is also provided with a gas channel, and oxygen released by the oxygen candle (2) enters the accommodating space (11) through the gas channel.

9. The emergency oxygen supply of claim 1, wherein: the head cover body (1) is made of waterproof, foldable and curled plastic materials, a warning part (18) is further arranged outside the head cover body (1), and the warning part (18) is used for warning and identifying so that rescue workers can find users.

10. The emergency oxygen supply of claim 1, wherein: the inside breather pipe (22) that still is provided with of hood body (1), and the inside oxygen of accommodation space (11) is insufficient for when being used for intaking in the twinkling of an eye when breather pipe (22) is used for when discharging water out hood body (1) user use accommodation space (11) upper portion oxygen to breathe, and the one end of breather pipe (22) can be dismantled and communicate in gas outlet (21), and the other end of breather pipe (22) is provided with breathing mouth (23).