CN2680286Y - Cooling and cleaning apparatus for 120 positively pressurized oxygen respirator - Google Patents

Abstract

The utility model belongs to the technical field of the life saving appliance, in particular to a cleaning apparatus which can clean theCO2 and a cooling apparatus for reducing the inhalation temperature in the closed circuit oxygen supply system of the positively pressurized oxygen respirator for the rescue workers. The cooling and cleaning apparatus for 120 positively pressurized oxygen respirator comprises a filter pad arranged in a cleaning canister, calcium hydroxide and a sponge cushion. The utility model is characterized in that the two circular cooling cores are positioned in a retaining clip on a cleaning canister cover; the circular cooling core is provided with cooling liquid; the cleaning canister cover, the cleaning canister and a gland are connected into integration through a central locking bolt. When the cooling liquid is filled into a spring plastic pipe, both ends of the spring plastic tube are sealed tightly by a plastic cap and clamped by a clamping band; the tail ends of the two plastic caps are connected with a screw by a draw ring; therefore, a spring plastic circular cooling core is formed. The cooling and cleaning apparatus for 120 positively pressurized oxygen respirator has the advantages of small size, light weight, good cooling effect and convenient assembly and disassembly, which is a novel cleaning and cooling apparatus for the positively pressurized oxygen respirator.

Description

Cooling and cleaning device for 120 positive pressure oxygen respirator

Technical Field

The utility model belongs to the technical field of the lifesaving equipment, concretely relates to reduce inspiratory temperature (cooling) and clear away the device of the carbon dioxide (peace and quiet) of exhalation in malleation oxygen respirator's the closed oxygen system that rescue personnel used.

Background

A positive pressure oxygen respirator for public mine rescue and chemical protection is a closed breathing circulation system isolated from the outside, and is a protective device worn by people in operation or rescue in a toxic and harmful gas environment. Because the whole respiratory system is closed-loop circulation because of isolation from the outside, when in use, the temperature can be continuously raised by the heat generated by the chemical reaction between carbon dioxide exhaled by a human body and calcium hydroxide in the cleaning tank. In order to reduce the temperature to the temperature that can be tolerated by human body, the current 240(240 min) positive pressure oxygen respirator is additionally provided with a cooling tank in front of an air suction hose of a closed breathing circulation system, and a cooling core is arranged in the cooling tank. Before wearing, the cooling core is frozen below-18 ℃ for a certain time. When the respirator is worn, the cooling core is arranged in the respirator cooling tank. When breathing in, the temperature of the gas entering the human body through the cooling tank, the breathing hose and the breathing valve is the temperature of the gas suitable for the human body to breathe.

Disclosure of Invention

The utility model provides a dispose clean and cool off two technical problem as an organic whole that merge at 120 malleation oxygen breathing apparatus, provide a small, light in weight, 120 malleation oxygen breathing apparatus cooling, clean and quiet device that the cooling effect is good.

The utility model discloses a realize like this, 120 malleation oxygen breathing apparatus's cooling, cleaning device, including the filter pad of dress in clean jar, calcium hydrate and foam-rubber cushion, two sets of annular cooling cores of characterized by dress are in the fixation clamp on clean jar cover, the coolant liquid is equipped with in the annular cooling core, clean jar cover is even as an organic whole with clean jar and central locking double-screw bolt for the gland, the nontoxic harmless wire spring plastic tubing that has the spring is chooseed for use to annular cooling core and is made, the clamp is equipped with on the both ends plastics end cap of annular cooling core, pull ring and screw are equipped with between two clamps, the fixation clamp is made with stainless steel elastic material.

The cooling core of the utility model comprises two sets of large and small annular steel wire spring plastic pipes, which can fully utilize the space and improve the cooling performance. Meanwhile, a non-toxic and harmless steel wire spring plastic pipe with a spring is selected, two ends of the spring plastic pipe filled with cooling liquid are plugged by plastic plugs, and the spring plastic pipe and the plastic plugs are clamped tightly by a clamp to ensure the sealing property. The cleaning tank is fixed with two spring clamps by screws, and the spring plastic round cooling core can be taken out from the cleaning tank elastic clamp and put into a refrigerator for freezing during freezing, and can be conveniently put into the cleaning tank cover during use.

Compared with the prior art, the utility model has the advantages of small volume, light weight and good cooling effect, and the 120 positive pressure oxygen respirator with the novel cleaning and cooling device can make the human body feel that the inhaled gas is suitable and comfortable.

Drawings

FIG. 1 is a view showing a combination structure of a cooling and cleaning device of a 120-pressure oxygen respirator

FIG. 2 is a sectional view taken along line A-A of FIG. 1

FIG. 3 is a schematic diagram of the breathing passage

FIG. 4 is a view showing the structure of the gland

In the figure: 1-clamp 2-screw 3-pull ring 4-plastic gambling head 5-spring plastic tube 6-cooling liquid 7, 8-annular cooling core 9-screw 10-fixing clamp 11-cleaning can cover 12-central locking screw bolt 13-spring clip 14-gland 15-spongy cushion 16-cleaning can 17-hydroxide 18-filter pad 19-clip seat 20-rivet 21-washer

A-oxygen supply channel B-inspiration channel C-expiration channel

Detailed Description

The embodiments are further described with reference to the accompanying drawings, which are intended to illustrate the invention and not to limit it in any way.

A cooling and cleaning device of a 120 positive pressure oxygen respirator comprises a spring plastic pipe 5, a cooling liquid 6, a plastic plug 4, a pull ring 3, a screw 2 and a hoop 1, wherein a round cooling core 7 and a round cooling core 8 which are made of spring plastic, and a fixing clamp 10 which is made of stainless steel elastic materials are fixed on a cleaning tank cover 11 through screws 9, and the round cooling core 7 and the round cooling core 8 can be conveniently arranged in and taken out through the fixing clamp 10. The cleaning tank cover 11 is connected with the cleaning tank 16 through a central locking stud at the center of the cleaning tank 16 and a gland 14 by a spring clip 13, is arranged in the breathing chamber, and is covered with the breathing chamber cover. The cleaning tank 16 is filled with a filter pad 18, calcium hydroxide 17 and a sponge pad 15.

Round cooling cores 7 and 8 made of spring plastic pipes 5 are filled with cooling liquid 6, clamped by hoops through plastic plugs 4 at two ends and connected into the round cooling cores 7 and 8 through pull rings 3 and screws 2. The round cooling cores 7 and 8 are fixed with the clean tank cover 11 by a fixing clamp 10 and a screw 9, and the cooling cores are very convenient to take out and put into the clean tank cover 11 when being frozen.

When the spring round plastic cooling cores 7 and 8 are fixed with the cleaning tank cover 11 by the fixing clamp 10 and the screw 9 and then connected with the cleaning tank 16, a gland 14 is adopted to be connected with the central locking stud 12 by the spring clip 13. The calcium hydroxide is convenient to be quickly and quickly loaded and taken out.

Use the utility model discloses the time, breathe the carbon dioxide gas of exhaling passageway C exhalation and the pure oxygen gas that gets into from oxygen supply channel A in the storehouse 16, pass clean jar 16 together, the chemical reaction through with the calcium hydrate in the clean jar is detached carbon dioxide from the mist, and the gas at this moment is the pure gas that contains the oxygen boosting and can be supplied breathing. Thereaction formula is as follows:

calcium hydroxide + carbon dioxide (calcium carbonate + water)

I.e. alkali + acid + salt + water

Because the temperature can rise in the chemical reaction process, the gas with the increased temperature is cooled after passing through the spring plastic circular cooling core, so that the temperature is reduced, the gas with the reduced temperature enters the air suction hose through the channel around the breathing bin to the air suction valve and then enters the human body together with the mask, and at the moment, the human body can feel that the sucked gas is proper and comfortable.

Claims (4)

1. A cooling and cleaning device of a 120 positive pressure oxygen respirator comprises a filter pad, calcium hydroxide and a spongy cushion which are arranged in a cleaning tank, and is characterized in that two sets of annular cooling cores (7) and (8) are arranged in a fixing clamp (10) on a cleaning tank cover (11), cooling liquid (6) is filled in the annular cooling cores (7) and (8), and the cleaning tank cover (11), the cleaning tank (16) and a gland (14) are connected into a whole by a central locking stud (12).

2. The cooling and cleaning device of 120 positive pressure oxygen respirator of claim 1, characterized in that the annular cooling cores (7), (8) are made of nontoxic and harmless steel wire spring plastic pipes with springs.

3. The cooling and cleaning device of the 120 positive pressure oxygen respirator of claim 1, characterized in that the two plastic plugs (4) at the two ends of the annular cooling cores (7), (8) are provided with the hoops (1), and the pull ring (3) and the screw (2) are arranged between the two hoops (1).

4. The cooling and cleaning device of 120 positive pressure oxygen respirator as claimed in claim 1, wherein the fixing clip (10) is made of stainless steel elastic material.

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