Compressed oxygen self-rescuer

By incorporating a breathing diaphragm and a tempered glass viewing window into the compressed oxygen self-rescue device, an oxygen storage chamber is formed. The improved strap structure solves the problems of window wear, bottom wear, and breathing difficulties, thereby improving breathing patency and oxygen utilization efficiency.

CN223846096UActive Publication Date: 2026-01-30ZHEJIANG ZHENGAN EXPLOSION-PROOF ELECTRIC CO LTD
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Patent Information

Application Number
CN202520283453.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-30
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

Existing compressed oxygen self-rescue devices have easily worn-out viewing windows and bottoms, and the shoulder straps are prone to breakage. Furthermore, the carbon dioxide adsorbent may obstruct the exhalation passage, leading to difficulty breathing and low oxygen utilization efficiency.

Method used

The design incorporates a breathing diaphragm with the air outlet positioned below it, increases the number of perforations, uses tempered glass to enhance the viewing window, incorporates a partition to form an oxygen storage chamber, includes spare strap buckles and a bottom protective cover, and improves the strap structure.

Benefits of technology

It improves breathing ease, enhances the durability of the viewing window, improves oxygen recovery efficiency, ensures the reliability of the shoulder straps, and protects the bottom of the outer shell.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of underground self-rescue equipment, in particular to a compressed oxygen self-rescuer. Comprising a shell, and a gas storage steel cylinder and a cleaning cavity are arranged in the shell; the cleaning cavity comprises an air inlet pipe, one end of the air inlet pipe is fixedly arranged at the top of the cleaning cavity, an air inlet is formed in the upper surface of the cleaning cavity, the other end of the air inlet pipe abuts against the bottom surface of the cleaning cavity, and a plurality of air outlets are formed in the side wall of the end; a breathing partition plate is arranged at the bottom of the cleaning cavity, the breathing partition plate is arranged on the upper side of the air outlet, and a plurality of through holes are formed in the breathing partition plate; a plurality of carbon dioxide solid adsorbents are arranged in the cleaning cavity on the breathing partition plate; the breathing partition plate is arranged, an original air outlet is formed below the breathing partition plate, solid particles are prevented from being blocked, meanwhile, the number of the through holes is increased, the actual area of an air outlet channel is increased, air outlet resistance is reduced, and expiration is easier.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of underground self-rescue equipment, especially to a compressed oxygen self-rescuer. BACKGROUND

[0002] The compressed oxygen self-rescuer is a reusable self-rescue escape device using high-pressure compressed oxygen as the oxygen source, which is mainly used in the event of toxic and harmful gas leakage and oxygen deficiency asphyxia disaster in coal mines or ordinary atmospheric pressure working environment, and in the event of failure of the carried breathing apparatus of the fire rescue team in the underground rescue, the self-rescuer is used for self-rescue, which has the advantages of small size, light weight, no restriction on the use environment, rapid wearing by the on-site personnel, protection of normal breathing of the wearer, rapid escape from the disaster area to realize self-rescue, etc.

[0003] Moreover, the bottom of the existing compressed oxygen self-rescuer is prone to wear and tear, and the viewing window is also prone to wear and tear, causing the viewing window to lose transparency, and when the harness breaks, the harness cannot be used normally.

[0004] The carbon dioxide adsorbent in the cleaning cavity of the compressed oxygen self-rescuer is generally in a cylindrical or granular shape, which may block the air outlet of the air inlet pipe during exhalation, causing difficulty in breathing.

[0005] Therefore, there is an urgent need to provide an improved technical solution to solve the above technical problems. UTILITY MODEL CONTENT

[0006] The utility model aims at the above-mentioned technical problems, and provides a compressed oxygen self-rescuer with the technical effect of smooth breathing.

[0007] Therefore, the utility model provides a compressed oxygen self-rescuer, which comprises:

[0008] The shell is internally provided with a gas storage cylinder and a cleaning cavity;

[0009] The cleaning cavity comprises:

[0010] The air inlet pipe is fixedly arranged at one end of the top of the cleaning cavity, and the air inlet is arranged on the upper surface of the cleaning cavity, and the other end of the air inlet pipe abuts against the bottom surface of the cleaning cavity, and a plurality of air outlets are arranged on the side wall of the end;

[0011] A breathing baffle is arranged at the bottom of the cleaning cavity, the breathing baffle is arranged on the upper side of the air outlet, and a plurality of through holes are arranged on the breathing baffle;

[0012] A plurality of carbon dioxide solid adsorbents are arranged in the cleaning cavity on the breathing baffle.

[0013] Further, the shell comprises a cover and a shell body; the shell body is provided with a buckle for fixing the cover, both sides of the shell body are each provided with two mounting plates, both sides of the cover are provided with hooks; the buckle comprises:

[0014] A latch is inserted between the two mounting plates;

[0015] A buckle body is sleeved on the latch at one end;

[0016] A buckle hook is hinged to the middle position of the buckle body at one end and is hooked on the hook at the other end.

[0017] Further, it further comprises:

[0018] A visible window is arranged at the top of the shell and corresponds to the top of the gas storage cylinder; one side of the visible window is provided with an inwardly extending flange;

[0019] A tempered glass is arranged in the visible window and abuts against the flange;

[0020] A sealing cover is annular, is fixed on the shell by screws and abuts against the edge of the tempered glass.

[0021] Further, it further comprises:

[0022] An oxygen return hole is arranged at the top of the cleaning cavity; a partition plate is arranged in the cleaning cavity; an oxygen storage cavity is formed between the partition plate and the oxygen return hole; a plurality of through holes are arranged on the partition plate.

[0023] Further, it further comprises:

[0024] A spare harness buckle is arranged at the top of the shell body.

[0025] Further, it further comprises a bottom protection cover fixedly arranged at the bottom of the shell.

[0026] The beneficial effects of the utility model are:

[0027] 1. The utility model discloses a breathing baffle, which sets the air outlet below the breathing baffle, prevents solid particles from blocking, increases the number of through holes, increases the area of actual air outlet channel, reduces air outlet resistance and makes exhalation more comfortable.

[0028] 2. The utility model discloses a partition plate arranged in the cleaning cavity, which can form an oxygen storage cavity for storing oxygen and collecting converted oxygen in the cleaning cavity; the oxygen storage cavity can improve the oxygen recovery efficiency. DRAWINGS

[0029] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0030] Figure 2 It is a sectional view of the structure of the utility model;

[0031] Figure 3 It is a side view structure schematic diagram of the utility model's buckle;

[0032] Figure 4 It is a front view structure schematic diagram of the utility model's buckle.

[0033] The mark in the figure indicates that:

[0034] 1, shell main body;2, upper cover;3, gas storage cylinder;4, purifying cavity;5, air inlet pipe;6, gas outlet;7, breathing baffle;8, bolt;9, buckle main body;10, buckle hook;11, mounting plate;12, hook;13, visible window;14, tempered glass;15, oxygen return hole;16, partition plate;17, spare webbing buckle;18, bottom protective cover. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0036] Example 1

[0037] The embodiment provides a compressed oxygen self-rescuer, which comprises:

[0038] A shell, the shell is provided with a gas storage cylinder 3 and a purifying cavity 4 in the shell;

[0039] The purifying cavity 4 comprises:

[0040] An air inlet pipe 5, one end of the air inlet pipe 5 is fixedly arranged at the top of the purifying cavity 4, and the air inlet is arranged on the upper surface of the purifying cavity 4, the other end of the air inlet pipe 5 abuts on the bottom surface of the purifying cavity 4, and a plurality of gas outlets 6 are arranged on the side wall of the end;

[0041] A breathing baffle 7 is arranged at the bottom of the purifying cavity 4, the breathing baffle 7 is arranged on the upper side of the gas outlet 6, and a plurality of through holes are arranged on the breathing baffle 7;

[0042] A plurality of carbon dioxide solid adsorbents are arranged in the purifying cavity 4 on the breathing baffle 7.

[0043] The shell has two parts, a gas storage cylinder 3 and a purification cavity 4, the gas storage cylinder 3 is a cylinder for storing liquid oxygen, the purification cavity 4 is formed in the shell, the top of the purification cavity 4 is provided with an air inlet, the periphery of the air inlet is provided with a plurality of oxygen return holes 15, an air inlet pipe 5 is in communication with the air inlet, the end of the air inlet pipe 5 in the purification cavity 4 abuts on the bottom surface of the purification cavity 4, the side wall of the end is provided with a plurality of circumferentially arranged air outlets 6, and the air outlets 6 are longitudinally long strips, a breathing baffle 7 is arranged at the bottom of the purification cavity 4, a support platform for supporting the breathing baffle 7 can be arranged on the side wall of the purification cavity 4, or a plurality of supporting legs can be arranged at the bottom of the breathing baffle 7, the breathing baffle 7 is located on the upper side of the air outlets 6, the breathing baffle 7 is sleeved on the air inlet pipe 5, a plurality of arrayed and uniformly distributed through holes are arranged on the breathing baffle 7, and a carbon dioxide solid adsorbent is arranged in the purification cavity 4 above the breathing baffle 7, and the adsorbent is in the form of fixed particles.

[0044] Working principle:

[0045] The existing solid adsorbent can block the air outlet hole, when a self-rescuer uses the self-rescuer, the exhaled carbon dioxide is inhaled into the purification cavity 4 through the air inlet pipe 5, the carbon dioxide flows into the purification cavity 4 below the breathing baffle 7 through the air outlets 6, and then flows into the purification cavity 4 with the carbon dioxide solid adsorbent through the through holes on the breathing baffle 7, so that the carbon dioxide is purified; by arranging the breathing baffle 7, the air outlets 6 are arranged below the breathing baffle 7, which prevents the solid particles from blocking, increases the number of through holes, increases the area of the actual air outlet channel, reduces the air outlet resistance, and makes exhalation more comfortable.

[0046] Embodiment 2

[0047] The embodiment provides a compressed oxygen self-rescuer, in addition to the technical solutions of the above-mentioned embodiments, further has the following technical features.

[0048] The shell comprises a cover 2 and a shell body 1, the shell body 1 is provided with a buckle for fixing the cover 2, the shell body 1 is provided with two mounting plates 11 on each side, and the cover 2 is provided with a hook 12 on each side.

[0049] The latch 8 is inserted between the two mounting plates 11.

[0050] The buckle body 9 is sleeved on one end of the latch 8.

[0051] The buckle hook 10 is hingedly connected to the middle position of the buckle body 9 at one end, and is hooked on the hook 12 at the other end.

[0052] The upper cover 2 of the shell and the shell body 1 are fixed by a snap, two mounting plates 11 are arranged on both sides of the shell body 1, mounting holes are arranged on the mounting plates 11, and the latch 8 is fixedly arranged in the two mounting holes; when the upper cover 2 needs to be fixed, the snap hook 10 is hooked on the hook 12, and then the snap body 9 is buckled on the shell body 1, so that the upper cover 2 of the shell and the shell body 1 are fixedly connected; when the snap is released, the snap body 9 is lifted from the shell body 1, and then the snap hook 10 is folded out of the hook 12.

[0053] Embodiment 3:

[0054] The embodiment provides a compressed oxygen self-rescuer, which comprises the technical scheme of the above embodiment and has the following technical features.

[0055] Further comprising:

[0056] The visual window 13 is arranged on the top of the shell and corresponds to the top of the gas storage cylinder 3, and one side of the visual window 13 is provided with an inwardly extending flange.

[0057] The tempered glass 14 is arranged in the visual window 13 and abuts against the flange.

[0058] The sealing cover is annular, is fixed on the shell by screws and abuts against the edge of the tempered glass 14.

[0059] The visual window 13 is a window for observing the value of the pressure gauge penetrating through the gas storage cylinder 3, so that whether the gas storage cylinder 3 is in a normal use state can be observed; the tempered glass 14 is arranged in the visual window 13 and abuts against the flange, and waterproof glue or a waterproof rubber ring can be arranged between the visual window 13 and the tempered glass 14; the sealing cover is annular, is fixed on the shell by a plurality of screws and can be integrally formed with the shell, and the tempered glass is arranged in the shell during molding; the sealing cover abuts against the edge of the tempered glass 14, so that the tempered glass 14 is fixed, and the tempered glass 14 has higher hardness than a transparent plastic plate and can prevent scratching.

[0060] Embodiment 4:

[0061] The embodiment provides a compressed oxygen self-rescuer, which comprises the technical scheme of the above embodiment and has the following technical features.

[0062] Further comprising:

[0063] The oxygen return hole 15 is arranged on the top of the cleaning cavity 4, the separating plate 16 is arranged on the cleaning cavity 4, an oxygen storage cavity is formed between the oxygen return hole 15 and the separating plate 16, and a plurality of through holes are arranged on the separating plate 16.

[0064] The oxygen return hole 15 is a through hole for outputting oxygen converted by the carbon dioxide solid absorbent. The cleaning cavity 4 is provided with a partition plate 16, so as to form an oxygen storage cavity for storing oxygen and collecting the converted oxygen in the cleaning cavity 4. The setting of the oxygen storage cavity can improve the oxygen recycling efficiency.

[0065] Further comprising:

[0066] The spare carabiner 17 is arranged on the top of the shell body.

[0067] The spare carabiner is arranged on the top of the shell body on the side opposite to the gas cylinder. When the external belt is broken, the spare carabiner can be used to tie the cloth or the remaining end of the belt, and the other end is knotted and pressed under the gas cylinder.

[0068] Further comprising: the bottom protection cover 18 is fixedly arranged on the bottom of the shell.

[0069] The bottom protection cover is made of stainless steel, which has the properties of waterproof and rustproof. The shell is generally made of plastic material, and the shell may be placed on the ground during use or need to be prevented from being placed on the ground during transportation to prevent the bottom of the shell from being worn.

[0070] The embodiments of the present application are described above in combination with the drawings. In the case of no conflict, the embodiments and the features in the embodiments can be combined with each other, the present application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, but not limited, and the person skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims.

Claims

1. A compressed oxygen personal lifesaver characterized by, The utility model relates to a kind of oxygen concentrators, including: Shell, gas storage cylinder (3) and cleaning cavity (4) are arranged in shell; Cleaning cavity (4) includes: Air inlet pipe (5), air inlet pipe (5) one end is fixedly arranged at the top of cleaning cavity (4), and air inlet is placed on the upper surface of cleaning cavity (4), and the other end of air inlet pipe (5) is in contact on the bottom surface of cleaning cavity (4), and the side wall of this end is provided with several air outlets (6); Breathing baffle (7) is provided at the bottom of cleaning cavity (4), breathing baffle (7) is placed on the upside of air outlet (6), and breathing baffle (7) is provided with several through holes; Several carbon dioxide solid adsorbents are provided in cleaning cavity (4) on breathing baffle (7).

2. A compressed-oxygen personal lifesaver according to claim 1, wherein Shell includes upper cover (2) and shell body (1);Shell body (1) is provided with the buckle for fixing upper cover (2), and shell body (1) is provided with two mounting plates (11) on both sides, and the two sides of upper cover (2) are provided with hanger (12);Buckle includes: Latches (8), latches (8) are inserted between two mounting plates (11); Buckle body (9), one end of buckle body (9) is sleeved on latches (8); Buckle hook (10), buckle hook (10) one end is hinged in the middle position of buckle body (9), and the other end is hooked on hanger (12).

3. The compressed oxygen personal lifesaver of claim 1 wherein, Also including: Visual window (13) is opened in the top of shell, and corresponds with the top of gas storage cylinder (3), and the side of visual window (13) is provided with inwardly extending flange; Tempered glass (14) is arranged in visual window (13) and is in contact with flange; Sealing cover, sealing cover is annular, is fixed on shell, and is in contact with the edge of tempered glass (14).

4. The compressed-oxygen personal lifesaver of claim 1 wherein, Also including: Oxygen return hole (15) is arranged at the top of cleaning cavity (4), and there is separating plate (16) in cleaning cavity (4), and oxygen storage cavity is formed between oxygen return hole (15) and separating plate (16), and separating plate (16) is provided with several through holes.

5. The compressed-oxygen personal lifesaver of claim 2 wherein, Also including: Backup harness buckle (17) is arranged at the top of shell body.

6. The compressed-oxygen personal lifesaver of claim 1 wherein, Also including: Bottom protection cover (18) is fixedly arranged at the bottom of shell.