Portable underground self-rescuer

Abstract

The utility model relates to the technical field of underground self-rescue equipment, in particular to a portable underground self-rescuer which comprises an oxygen bag, an air suction pipe, a connecting pipe and a connecting assembly. A connecting pipe is fixedly arranged on the oxygen bag in a communicating manner, and an external thread is arranged on the connecting pipe; the connecting pipe is sleeved with a protective sleeve, a rubber pad is fixedly arranged at the end of the protective sleeve, the protective sleeve is in threaded connection with the external threads, and the protective sleeve is connected with the oxygen bag in a clamped mode. The air suction pipe is connected with a respirator, and the air suction pipe is connected with the connecting pipe through a connecting assembly; the air suction pipe and the connecting pipe can be quickly disassembled and assembled through the connecting assembly, replacement operation during use of the oxygen bag is facilitated, oxygen in the oxygen bag is more quickly and efficiently conveyed into the air suction pipe, meanwhile, the oxygen conveying airtightness is guaranteed, it is guaranteed that people continuously inhale oxygen during escape under the emergency situation, and the escape efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of underground self-rescue equipment, in particular to a portable underground self-rescuer. Background Art

[0002] The Chinese patent document with the existing announcement number CN206560603U discloses a portable underground self-rescuer, including a wearable body, an oxygen storage unit installed on the wearable body, and an oxygen delivery unit that connects the oxygen storage unit with the human respiratory organ; wherein the oxygen storage unit includes a plurality of oxygen bags that are connected in sequence, and the first oxygen bag is provided with an air filling port connected to the gas source, and the last oxygen bag is provided with an air outlet connected to the oxygen delivery unit; a sealing plug is installed at the air filling port, and a valve is provided at the air outlet; the oxygen delivery unit includes a buffer airbag connected to the air outlet, an air suction nozzle and a nose clip connected to the buffer airbag. The portable underground self-rescuer is simple to use and easy to carry, which can shorten the self-rescue time for underground personnel, improve the success rate of self-rescue, that is, the survival rate, thereby reducing the incidence of mine accidents, and will also effectively reduce the million-ton mortality rate in my country's coal mines. For coal mines with gas hazards, it is an efficient self-rescue equipment.

[0003] However, in the above scheme and the prior art, after the oxygen in the oxygen bag is used up, it needs to be inflated in a designated device, which is relatively cumbersome and affects the escape efficiency in an emergency. Utility Model Content

[0004] The purpose of the utility model is to provide a portable underground self-rescuer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable downhole self-rescuer comprises: an oxygen bag, an intake pipe, a connecting pipe and a connecting assembly; a connecting pipe is fixedly provided on the oxygen bag, and an external thread is provided on the connecting pipe; a protective sleeve is sleeved on the outside of the connecting pipe, a rubber pad is fixedly provided on the end of the protective sleeve, the protective sleeve is threadedly connected to the external thread, and the protective sleeve is clamped on the oxygen bag; a respirator is connected to the intake pipe, and the intake pipe and the connecting pipe are connected by a connecting assembly.

[0006] Preferably, the connecting assembly comprises a fixing ring, a connecting sleeve, a circular groove, a first mounting groove, a second mounting groove, an air pipe, an air nozzle, an air inlet, a sealing gasket, a slide groove, a fixing column, a spring and a limit block; the fixing ring is fixedly arranged at the end of the air intake pipe, and the connecting sleeve is movably sleeved on the air intake pipe; the circular groove is arranged in the connecting pipe, a first mounting groove is arranged on the side wall of the circular groove, and a second mounting groove is arranged at the lower end of the first mounting groove; the air pipe is movably sleeved in the connecting pipe, an air nozzle is fixedly arranged at the end of the air pipe, an air inlet is symmetrically arranged on the air pipe, the air inlet is connected to the air pipe, and a sealing gasket is fixedly arranged at the end of the air pipe; the slide groove is symmetrically arranged on the inner wall of the connecting pipe, a fixing column is arranged in the slide groove, both ends of the fixing column are fixedly connected to the inner wall of the slide groove, and a spring is sleeved on the fixing column; the limit blocks are symmetrically fixedly arranged at both ends of the air pipe.

[0007] Preferably, the fixing ring and the second mounting groove have corresponding setting positions and the same number of setting groups, the fixing ring is plugged into the second mounting groove, and the fixing ring is movably clamped into the circular groove; the first mounting groove is clamped into the intake pipe, and the intake pipe is sleeved into the connecting pipe.

[0008] Preferably, a rubber pad is fixedly provided at the end of the connecting sleeve, the connecting sleeve is clamped with the oxygen bag, the connecting sleeve is sleeved with the connecting pipe, and the connecting sleeve is threadedly connected with the external thread.

[0009] Preferably, the gas delivery pipe is clamped with the fixing ring, and the gas nozzle is plugged with the air intake pipe; the sealing pad is arranged in the oxygen bag, and the sealing pad is clamped with the bottom end of the connecting pipe and the inner wall of the oxygen bag.

[0010] Preferably, the limit block is movably engaged in the slide groove, and the limit block is movably sleeved with the fixed column; the spring is in a compressed state, and both ends of the spring are respectively engaged with the limit block and the inner wall of the slide groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The connection assembly can realize quick disassembly and installation of the intake pipe and the connecting pipe, which is convenient for the replacement of the oxygen bag when in use, so that the oxygen in the oxygen bag can be delivered into the intake pipe more quickly and efficiently, while ensuring the airtightness of the oxygen delivery, ensuring that people can continue to inhale oxygen when escaping in an emergency, and improving the escape efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection pipe structure of the utility model;

[0015] Figure 3 This is a cross-sectional view of the structure connection of the connecting pipe of the utility model under normal conditions;

[0016] Figure 4 It is a half-section view of the structural connection when the connecting pipe of the utility model is in use;

[0017] Figure 5 For this utility model Figure 4 A partial enlarged view of the middle A;

[0018] Figure 6 This is a schematic diagram of the connection of the protective cover structure of the utility model.

[0019] In the figure: oxygen bag 1, air intake pipe 2, connecting pipe 3, external thread 4, protective sleeve 5, fixing ring 6, connecting sleeve 7, circular groove 8, first mounting groove 9, second mounting groove 10, air delivery pipe 11, air nozzle 12, air inlet 13, sealing gasket 14, slide groove 15, fixing column 16, spring 17, limit block 18. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 6The utility model provides a technical solution: a portable underground self-rescuer comprises: an oxygen bag 1, an air intake pipe 2, a connecting pipe 3 and a connecting assembly; a connecting pipe 3 is fixedly provided on the oxygen bag 1, and an external thread 4 is provided on the connecting pipe 3; a protective sleeve 5 is sleeved on the outside of the connecting pipe 3, and a rubber pad is fixedly provided on the end of the protective sleeve 5, the protective sleeve 5 is threadedly connected to the external thread 4, and the protective sleeve 5 is clamped with the oxygen bag 1 to prevent oxygen leakage in the oxygen bag 1 under normal circumstances; a respirator is connected to the air intake pipe 2, and the air intake pipe 2 is connected to the connecting pipe 3 through a connecting assembly; a fixing ring 6 in the connecting assembly is fixedly provided The connecting sleeve 7 is arranged at the end of the inhalation pipe 2, and the connecting sleeve 7 is movably sleeved on the inhalation pipe 2; a rubber pad is fixedly arranged at the end of the connecting sleeve 7, the connecting sleeve 7 is clamped with the oxygen bag 1, the connecting sleeve 7 is sleeved with the connecting pipe 3, and the connecting sleeve 7 is threadedly connected with the external thread 4 to avoid oxygen leakage during use; a circular groove 8 is arranged in the connecting pipe 3, a first mounting groove 9 is arranged on the side wall of the circular groove 8, and a second mounting groove 10 is arranged at the lower end of the first mounting groove 9; the fixing ring 6 and the second mounting groove 10 are arranged at corresponding positions and the same number of groups are arranged, the fixing ring 6 and the second mounting groove 10 are plugged, and the fixing ring 6 and the circular groove 8 are movably clamped; the first mounting groove 9 and the inhalation The trachea 2 is clamped, and the inhalation pipe 2 is sleeved with the connecting pipe 3, which is used for the rapid positioning and installation of the inhalation pipe 2 and the connecting pipe 3; the air delivery pipe 11 is movably sleeved in the connecting pipe 3, and a gas nozzle 12 is fixedly provided at the end of the air delivery pipe 11, the air delivery pipe 11 is clamped with the fixing ring 6, and the gas nozzle 12 is plugged with the inhalation pipe 2 to ensure the efficient and stable oxygen delivery; the air inlet 13 is symmetrically opened on the air delivery pipe 11, and the air inlet 13 is connected with the air delivery pipe 11 for oxygen delivery, and the sealing pad 14 is fixedly provided at the end of the air delivery pipe 11; the sealing pad 14 is arranged in the oxygen bag 1, and the sealing pad 14 is connected with the bottom end of the connecting pipe 3 and the inner part of the oxygen bag 1 The wall is clamped to avoid oxygen leakage in the oxygen bag 1 under normal circumstances; the slide groove 15 is symmetrically opened on the inner wall of the connecting pipe 3, and a fixing column 16 is arranged in the slide groove 15. The two ends of the fixing column 16 are fixedly connected to the inner wall of the slide groove 15, and the fixing column 16 is sleeved with a spring 17; the limit blocks 18 are symmetrically fixedly arranged at the two ends of the gas pipe 11; the limit blocks 18 are movably clamped in the slide groove 15, and the limit blocks 18 are movably sleeved with the fixing columns 16, which is convenient for the stable movement of the gas pipe 11; the spring 17 is in a compressed state, and the two ends of the spring 17 are respectively clamped with the limit blocks 18 and the inner wall of the slide groove 15 to control the up and down movement of the gas pipe 11.

[0022] During actual use, after the oxygen in the oxygen bag 1 is used up during escape, a new oxygen bag 1 is taken from the designated position while continuing to escape, the protective cover 5 on the new oxygen bag 1 is rotated to remove it from the connecting pipe 3, the air nozzle 12 is pressed to compress the spring 17, so that the second mounting groove 10 is exposed, the intake pipe 2 is clamped into the first mounting groove 9, and the fixing ring 6 is inserted from the second mounting groove 10 into the circular groove 8, and then the spring 17 rebounds to clamp the air delivery pipe 11 with the fixing ring 6, and the air nozzle 12 is inserted into the intake pipe 2 until the fixing ring 6 is stably clamped in the circular groove 8, at which time the sealing pad 14 is separated from the inner wall of the oxygen bag 1, and the air inlet 13 extends into the oxygen bag 1, and the oxygen is transported from the air inlet 13 through the air delivery pipe 11 to the intake pipe 2, and the replacement and use of the oxygen bag 1 is completed.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable underground self-rescuer, characterized in that: The portable downhole self-rescuer comprises: an oxygen bag (1), an air intake pipe (2), a connecting pipe (3) and a connecting assembly; the oxygen bag (1) is connected and fixedly provided with a connecting pipe (3), and the connecting pipe (3) is provided with an external thread (4); the connecting pipe (3) is externally sleeved with a protective sleeve (5), a rubber pad is fixedly provided at the end of the protective sleeve (5), the protective sleeve (5) is threadedly connected to the external thread (4), and the protective sleeve (5) is snap-fitted to the oxygen bag (1); the air intake pipe (2) is connected to a respirator, and the air intake pipe (2) and the connecting pipe (3) are connected via a connecting assembly.

2. A portable underground self-rescuer according to claim 1, characterized in that: The connecting assembly comprises a fixing ring (6), a connecting sleeve (7), a circular groove (8), a first mounting groove (9), a second mounting groove (10), an air delivery pipe (11), an air nozzle (12), an air inlet (13), a sealing gasket (14), a sliding groove (15), a fixing column (16), a spring (17) and a limit block (18); the fixing ring (6) is fixedly arranged at the end of the air intake pipe (2), and the connecting sleeve (7) is movably sleeved on the air intake pipe (2); the circular groove (8) is arranged in the connecting pipe (3), the side wall of the circular groove (8) is provided with a first mounting groove (9), and the lower end of the first mounting groove (9) is provided with a second mounting groove (10); The gas delivery pipe (11) is movably sleeved in the connecting pipe (3), a gas nozzle (12) is fixedly arranged at the end of the gas delivery pipe (11), an air inlet (13) is symmetrically opened on the gas delivery pipe (11), the air inlet (13) is communicated with the gas delivery pipe (11), and a sealing gasket (14) is fixedly arranged at the end of the gas delivery pipe (11); the slide groove (15) is symmetrically opened on the inner wall of the connecting pipe (3), a fixing column (16) is arranged in the slide groove (15), both ends of the fixing column (16) are fixedly connected to the inner wall of the slide groove (15), and a spring (17) is sleeved on the fixing column (16); the limit blocks (18) are symmetrically fixedly arranged at both ends of the gas delivery pipe (11).

3. A portable underground self-rescuer according to claim 2, characterized in that: The fixing ring (6) and the second mounting groove (10) are arranged at corresponding positions and have the same number of groups; the fixing ring (6) and the second mounting groove (10) are plugged into each other, and the fixing ring (6) and the circular groove (8) are movably engaged; the first mounting groove (9) and the air intake pipe (2) are engaged with each other, and the air intake pipe (2) and the connecting pipe (3) are sleeved together.

4. A portable underground self-rescuer according to claim 2, characterized in that: A rubber pad is fixedly provided at the end of the connecting sleeve (7), the connecting sleeve (7) is clamped with the oxygen bag (1), the connecting sleeve (7) is sleeved with the connecting pipe (3), and the connecting sleeve (7) is threadedly connected with the external thread (4).

5. A portable underground self-rescuer according to claim 2, characterized in that: The gas delivery pipe (11) is clamped with the fixing ring (6), and the gas nozzle (12) is plugged with the air intake pipe (2); the sealing pad (14) is arranged in the oxygen bag (1), and the sealing pad (14) is clamped with the bottom end of the connecting pipe (3) and the inner wall of the oxygen bag (1).

6. A portable underground self-rescuer according to claim 2, characterized in that: The limit block (18) is movably engaged in the slide groove (15), and the limit block (18) is movably sleeved with the fixed column (16); the spring (17) is in a compressed state, and two ends of the spring (17) are respectively engaged with the limit block (18) and the inner wall of the slide groove (15).

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