Smooth breathing reciprocating compressed oxygen self-rescuer
By designing a bidirectional interface and a wire mesh structure in the compressed oxygen self-rescue device, the problems of low carbon dioxide absorption efficiency and difficulty in breathing have been solved, achieving more efficient carbon dioxide absorption and a more comfortable breathing experience, and extending the usage time of the self-rescue device.
Patent Information
- Application Number
- CN202422957723.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Existing compressed oxygen self-rescue devices have low carbon dioxide absorption efficiency, poor user experience, and cause breathing difficulties, affecting their effectiveness and safety.
Design a reciprocating compressed oxygen self-rescue device that allows for smooth breathing. The gas passes through the agent twice during breathing. It adopts a reverse flow structure with the first and second interfaces, combined with a raised design in the inner cavity to reduce gas resistance. The breathing hose is filled with a metal wire mesh to absorb heat, and the nose clip is equipped with an anti-slip layer to prevent slippage.
It improves carbon dioxide absorption efficiency, extends the lifespan of the self-rescue device, ensures smooth and safe breathing, reduces gas temperature, and enhances the user experience.
Smart Images
Figure CN223601887U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a self-rescuer technical field, specifically, a kind of reciprocating compressed oxygen self-rescuer of breath smoothly. BACKGROUND
[0002] Compressed oxygen self-rescuer is with high-pressure compressed oxygen as oxygen source self-rescue equipment, mainly used in coal mine, fire department and other fields, when toxic and harmful gas leakage and oxygen deficiency asphyxiation disaster occurs in operating environment, site personnel can escape from disaster area by wearing compressed oxygen self-rescuer to realize self-rescue.Isolation type compressed oxygen self-rescuer, its principle is when coal mine accident, open bottle valve switch, high-pressure oxygen is reduced to normal atmospheric pressure by pressure reducer, then flow out to breathing air bag at the constant flow port of pressure reducer for person to breathe.Compressed oxygen self-rescuer includes air bag, oxygen cylinder and calcium hydroxide for absorbing carbon dioxide, calcium hydroxide is generally arranged in the medicine bin of self-rescuer, in relevant technology, user exhales to air bag by mouthpiece communicated with air bag, and the exhaled gas diffuses from air bag into calcium hydroxide in medicine bin, so that calcium hydroxide absorbs carbon dioxide in gas.
[0003] Some compressed oxygen self-rescuer of prior art adopts circulation type breathing structure, and the gas breathed by human body (inhale and exhale) only passes through carbon dioxide absorption medicine bin once, that is, carbon dioxide in gas is absorbed only once by human body breathing, absorption efficiency is low, and the carbon dioxide concentration in internal circulation breathing gas is relatively high after using self-rescuer for a period of time, so that the safe breathing time of self-rescuer is short, and the use experience is poor.In addition, some self-rescuer of prior art is prone to the problem of unsmooth gas breathing during use, which affects normal use. UTILITY MODEL CONTENTS
[0004] To solve at least one aspect of the above problems, the utility model provides a reciprocating compressed oxygen self-rescuer of breath smoothly, which comprises: a body, a compressed oxygen cylinder and a medicine bin are arranged on the body, the medicine bin is provided with an inner cavity, a medicament for absorbing carbon dioxide is arranged in the inner cavity, a first interface and a second interface communicated with the inner cavity are arranged on the medicine bin, a gas bag is connected between the compressed oxygen cylinder and the first interface, an oxygen outlet of the compressed oxygen cylinder is communicated with the first interface through the gas bag, and a breathing appliance is connected with the second interface, and the airflow direction of the first interface and the second interface is opposite when human body breathes through the breathing appliance.The reciprocating compressed oxygen self-rescuer of breath smoothly has simple structure, low production cost and smooth breathing during use, and the internal gas can flow through the medicament twice when human body breathes once, so as to improve the absorption efficiency of the medicament to carbon dioxide, absorption is more sufficient, the concentration of carbon dioxide is prevented from rising too fast, and the safe use time of the self-rescuer is prolonged.
[0005] Optionally, when inhaling through the breathing apparatus, the gas in the air bag flows through the first interface, the inner cavity, the second interface and the breathing apparatus in turn; when exhaling through the breathing apparatus, the exhaled gas flows through the second interface, the inner cavity, the first interface and the air bag in turn.
[0006] Optionally, a pressure reducing valve is arranged on the compressed oxygen cylinder, and the oxygen outlet is arranged on the pressure reducing valve.
[0007] Optionally, a communication cavity is arranged on the medicine bin, the lower part of the communication cavity is communicated with the lower part of the inner cavity, the first interface is arranged on the upper side of the communication cavity, and the second interface is arranged on the upper side of the inner cavity.
[0008] Optionally, a first protrusion is arranged on the upper wall of the inner cavity, and a second protrusion is arranged on the lower wall of the inner cavity.
[0009] Optionally, the medicine bin comprises a bin body and a bottom cover arranged on the lower side of the bin body, the inner cavity is formed between the bin body and the bottom cover, the first protrusion is arranged on the bin body, and the second protrusion is arranged on the bottom cover.
[0010] Optionally, the bin body and the bottom cover are fixed by ultrasonic welding.
[0011] Optionally, the medicine is calcium hydroxide solid.
[0012] Optionally, a breathing hose is connected between the second interface and the breathing apparatus.
[0013] Optionally, a soft and deformable metal wire filler net is filled in the breathing hose along the extension direction of the breathing hose, and the breathing apparatus is a breathing mouthpiece or a breathing mask.
[0014] Optionally, a nose clip is connected to the breathing apparatus, the nose clip is oppositely arranged, an anti-skid layer for abutting against the nose is arranged on the nose clip, and the anti-skid layer is an anti-skid textile cloth layer or a non-woven cloth layer.
[0015] The utility model discloses a reciprocating type compressed oxygen self-rescuer of breathable, simple structure, low in production cost, breathes smoothly when using, human body breathes once, and the internal gas can flow through the medicament twice, improves the absorption efficiency of the medicament to carbon dioxide, absorbs more fully, avoids the carbon dioxide concentration to rise too fast, in order to prolong the safe use length of self-rescuer, the first protruding and second protruding make the gap between the upper and lower of the medicine bin inner chamber and the medicament, reduce the gas resistance of the upper and lower of the medicine bin inner chamber when breathing, improve the breathability, the second interface is connected with the breathing appliance between the breathing hose, in order to adjust the breathing appliance to the proper position and use, the soft wire filler net is filled in the breathing hose along the extension direction of breathing hose, when the gas flows through the wire filler net, can be absorbed by the wire filler net a part of heat, avoids the gas temperature that human body inhales to be too high and produces the uncomfortable feeling, because the wire filler net is filled in the breathing hose, has certain support to the pipe wall of breathing hose, makes the breathing hose not easy to bend, to improve the breathability, the anti -skidding layer for abutting on the nose is set up on the nose clamp, makes the nose clamp not easy to slip from the nose when using, and reliable in use. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the perspective view of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0017] Figure 2 It is the structure schematic view of the medicine bin part of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0018] Figure 3 It is the sectional view of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0019] Figure 4 It is the structure schematic view of the second protruding of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0020] Figure 5 It is the structure schematic view of the first protruding of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0021] Figure 6 It is the structure schematic view of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0022] Figure 7 It is the structure schematic view of the breathing hose of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0023] Figure 8 It is the structure schematic view of the nose clamp of the utility model reciprocating type compressed oxygen self-rescuer of breathable,
[0024] The corresponding component names of various reference numerals in the drawings are as follows: 1 is a body, 2 is a compressed oxygen cylinder, 201 is a pressure reducing valve, 3 is a medicine bin, 31 is a bin body, 32 is a bottom cover, 301 is an inner cavity, 3011 is a first protrusion, 3012 is a second protrusion, 302 is a first interface, 303 is a second interface, 304 is a communication cavity, 4 is an air bag, 5 is a breathing apparatus, 6 is a breathing hose, 61 is a wire filler, 7 is a nose clip, 701 is an anti-skid layer, and 702 is a torsion spring. DETAILED DESCRIPTION
[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings.
[0026] In the description of the utility model, it should be understood that the positions or location relationships indicated by the terms "upper", "lower" and the like are based on the positions or location relationships in the normal use of the product.
[0027] The terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features.
[0028] Referring to Figures 1-8 The utility model embodiment provides a kind of breathing smooth reciprocating compressed oxygen self-rescuer, comprising: body 1, compressed oxygen cylinder 2 and medicine bin 3 are provided on body 1, medicine bin 3 is provided with inner cavity 301, inner cavity 301 is provided with the medicament for absorbing carbon dioxide, medicine bin 3 is provided with the first interface 302 and the second interface 303 communicated with inner cavity 301, compressed oxygen cylinder 2 and first interface 302 are connected with air bag 4, compressed oxygen cylinder 2 and first interface 302 are communicated by air bag 4, second interface 303 is connected with breathing apparatus 5, the airflow direction of first interface 302 and second interface 303 is opposite when human breathes through breathing apparatus 5, inhale gas when exhaling to second interface 303, inhale gas from second interface 303 when inhaling;The utility model breathing smooth reciprocating compressed oxygen self-rescuer, simple structure, low in production cost, breath smoothly when using;Human breathes once, internal gas can flow through medicament twice, improve the absorption efficiency of medicament to carbon dioxide, absorption is more sufficient, avoid carbon dioxide concentration to rise too fast, so as to prolong the safe use length of self-rescuer.
[0029] Referring to Figures 1-3, when inhaling through the breathing apparatus 5, the gas in the air bag 4 flows through the first interface 302, the inner cavity 301, the second interface 303 and the breathing apparatus 5 in turn and is inhaled into the human body; when exhaling through the breathing apparatus 5, the exhaled gas flows through the second interface 303, the inner cavity 301, the first interface 302 and the air bag 4 in turn; when the gas flows through the inner cavity 301, a part of the carbon dioxide is absorbed by the medicament in the inner cavity, so that the carbon dioxide concentration does not become too high within the safe use time; the compressed oxygen cylinder 2 is provided with a pressure reducing valve 201, and the oxygen outlet is arranged on the pressure reducing valve 201; the high-pressure oxygen in the compressed oxygen cylinder 2 is reduced in pressure by the pressure reducing valve 201 and discharged into the air bag at a small flow rate for subsequent breathing; the medicine bin 3 is provided with a communication cavity 304, the lower part of the communication cavity 304 is communicated with the lower part of the inner cavity 301, the first interface 302 is arranged on the upper side of the communication cavity 304, which is convenient for connecting with the air bag, and the second interface 303 is arranged on the upper side of the inner cavity 301, which is convenient for connecting with the breathing apparatus, and the structure design is reasonable.
[0030] Referring to Figures 2-5 , the upper wall of the inner cavity 301 is provided with a first protrusion 3011, and the lower wall of the inner cavity 301 is provided with a second protrusion 3012; the first protrusion 3011 and the second protrusion 3012 are used to leave a gap between the upper and lower inner cavities of the medicine bin and the medicament, so as to reduce the gas resistance of the upper and lower inner cavities of the medicine bin during breathing and improve the smoothness of breathing; the medicine bin 3 comprises a bin body 31 and a bottom cover 32 arranged on the lower side of the bin body 31; the inner cavity 301 is formed between the bin body 31 and the bottom cover 32; the first protrusion 3011 is arranged on the bin body 31, and the second protrusion 3012 is arranged on the bottom cover 32; the structure design is reasonable; the bin body 31 and the bottom cover 32 are fixed by ultrasonic welding, so as to improve the sealing performance and strength of the medicine bin; the medicament is calcium hydroxide solid, specifically, the medicament is a cylindrical calcium hydroxide for mining.
[0031] Referring to Figure 1 and Figure 6 , the second interface 303 and the breathing apparatus 5 are connected with a breathing hose 6, so as to place the breathing apparatus at a suitable position for use; the breathing hose 6 is filled with a soft and deformable metal wire filler net 61 along the extension direction of the breathing hose 6; the metal wire filler net 61 is a stainless steel wire filler net; since the medicament releases heat when absorbing carbon dioxide, a part of the heat can be absorbed by the metal wire filler net 61 when the gas flows through the metal wire filler net, so as to avoid the discomfort caused by the high temperature of the gas inhaled by the human body; in addition, since the metal wire filler net 61 is filled in the breathing hose 6, the metal wire filler net 61 has a certain supporting force on the wall of the breathing hose 6, so that the breathing hose 6 is not easy to bend, so as to improve the smoothness of breathing.
[0032] Referring to Figure 1 , Figure 6 , Figure 7 and Figure 8The breathing apparatus 5 is a breathing mouthpiece or breathing mask for human breathing. A nose clip 7 is connected to the breathing apparatus 5. The nose clip 7 can also be connected to the breathing hose 6. The nose clip 7 can be connected to the breathing apparatus 5 or the breathing hose 6 by a rope. The nose clip 7 is made of silicone. There are two nose clips 7 facing each other. A torsion spring 702 connects the two nose clips 7. The elasticity of the torsion spring 702 makes the two nose clips 7 clamp together. The nose clip 7 is provided with an anti-slip layer 701 for sticking to the nose. The anti-slip layer 701 can be fixed to the nose clip 7 by adhesive or glue. The anti-slip layer 701 is an anti-slip woven fabric layer or non-woven fabric layer, so that the nose clip 7 will not easily slip off the nose during use and is reliable.
[0033] This utility model relates to a reciprocating compressed oxygen self-rescue device with smooth breathing. It features a simple structure, low production cost, and smooth breathing during use. With each breath, the internal gas flows through the medication twice, improving the medication's absorption efficiency of carbon dioxide, ensuring more complete absorption, and preventing a rapid increase in carbon dioxide concentration, thus extending the safe operating time of the self-rescue device. The first and second protrusions create gaps between the medication and the upper and lower parts of the medication chamber, reducing gas resistance during breathing and improving the smoothness of breathing. A breathing hose connects the second interface to the respirator for easy connection. It can be adjusted to a suitable position for use; the breathing hose is filled with a soft, deformable metal wire mesh along the extension direction of the breathing hose. When the gas flows through the metal wire mesh, it can absorb some of the heat, preventing the temperature of the gas inhaled by the human body from being too high and causing discomfort; because the metal wire mesh is filled in the breathing hose, it has a certain support force on the wall of the breathing hose, making the breathing hose less prone to bending, thus improving the smoothness of breathing; the nose clip is equipped with an anti-slip layer for resting against the nose, so that the nose clip will not easily slip off the nose during use, making it reliable.
[0034] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A reciprocating compression oxygen self-rescuer for breathing ease, characterized in that, include: The main body (1) is provided with a compressed oxygen cylinder (2) and a medicine chamber (3). The medicine chamber (3) is provided with an inner cavity (301). The inner cavity (301) is provided with a medicine for absorbing carbon dioxide. The medicine chamber (3) is provided with a first interface (302) and a second interface (303) communicating with the inner cavity (301). An air bag (4) is connected between the compressed oxygen cylinder (2) and the first interface (302). The oxygen outlet of the compressed oxygen cylinder (2) is connected to the first interface (302) through the air bag (4). The second interface (303) is connected to a breathing device (5). When a human body breathes through the breathing device (5), the airflow direction of the first interface (302) and the second interface (303) is opposite.
2. The breath-assisted, reciprocating-compression, oxygen self-rescuer of claim 1, wherein, When inhaling through the breathing apparatus (5), the gas in the air bag (4) flows sequentially through the first interface (302), the inner cavity (301), the second interface (303) and the breathing apparatus (5) into the human body; when exhaling through the breathing apparatus (5), the exhaled gas flows sequentially through the second interface (303), the inner cavity (301), the first interface (302) and the air bag (4).
3. The breath-assisted, reciprocating-compression, oxygen self-rescuer of claim 1, wherein, The compressed oxygen cylinder (2) is equipped with a pressure reducing valve (201), and the oxygen outlet is located on the pressure reducing valve (201).
4. The breath-assisted, reciprocating-compression, oxygen self-rescuer of claim 1, wherein, The medicine container (3) is provided with a connecting cavity (304), the lower part of the connecting cavity (304) is connected to the lower part of the inner cavity (301), the first interface (302) is provided on the upper side of the connecting cavity (304), and the second interface (303) is provided on the upper side of the inner cavity (301).
5. The breath-assisted, reciprocating-compression, self-rescuer of claim 1, wherein, The upper wall of the inner cavity (301) is provided with a first protrusion (3011), and the lower wall of the inner cavity (301) is provided with a second protrusion (3012).
6. The breath-assisted, reciprocating-compression, oxygen self-rescuer of claim 5, wherein, The medicine compartment (3) includes a compartment body (31) and a bottom cover (32) disposed on the lower side of the compartment body (31). The inner cavity (301) is formed between the compartment body (31) and the bottom cover (32). The first protrusion (3011) is disposed on the compartment body (31) and the second protrusion (3012) is disposed on the bottom cover (32).
7. The breath-assisted, reciprocating-compression, oxygen self-rescuer of claim 6, wherein, The chamber body (31) and the bottom cover (32) are fixed together by ultrasonic welding.
8. The breath-assisted, reciprocating-compression, self-rescuer of claim 1, wherein, The reagent is solid calcium hydroxide.
9. The breath-assisted, reciprocating-compression, self-rescuer of claim 1, wherein, The second interface (303) is connected to the breathing device (5) by a breathing hose (6), and the breathing hose (6) is filled with a soft and deformable metal wire mesh (61) along the extension direction of the breathing hose (6). The breathing device (5) is a breathing mouthpiece or a breathing mask.
10. The breath-assisted reciprocating compression oxygen self-rescuer according to any one of claims 1 to 9, wherein, The breathing device (5) is connected to a nose clip (7), and two nose clips (7) are arranged opposite each other. The nose clip (7) is provided with an anti-slip layer (701) for sticking to the nose. The anti-slip layer (701) is an anti-slip woven fabric layer or a non-woven fabric layer.