CN215855114U - Medical oxygen generator nitrogen and oxygen separation structure - Google Patents
Medical oxygen generator nitrogen and oxygen separation structure Download PDFInfo
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- CN215855114U CN215855114U CN202122536179.0U CN202122536179U CN215855114U CN 215855114 U CN215855114 U CN 215855114U CN 202122536179 U CN202122536179 U CN 202122536179U CN 215855114 U CN215855114 U CN 215855114U
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Abstract
The utility model relates to a nitrogen-oxygen separation structure of a medical oxygen generator, which comprises a compressor, an adsorption tower A, an adsorption tower B, a gas storage tank, a reversing combination valve, a one-way valve, a throttle valve and a circulation pipeline, wherein the reversing combination valve is arranged between the compressor and the adsorption tower A as well as between the compressor and the adsorption tower B; a first end cover is arranged below the gas storage tank, a second end cover is arranged below the adsorption tower A, and a third end cover is arranged below the adsorption tower B; the one-way valve is formed by combining a one-way sheet and a first end cover; the utility model improves the traditional structure based on the working principle of the prior art; a first air outlet pipeline, a second air outlet pipeline and a blowback pipeline are arranged below the structure in a simplified manner, and the air outlet pipeline, the blowback pipeline and the air outlet pipeline are connected in a quick-plugging manner and are convenient to install; and the structures of the first end cover, the second end cover and the third end cover are redesigned, so that the installation is rapid, the structure is multipurpose, and the occupied space is less.
Description
Technical Field
The utility model relates to the technical field of oxygen generators, in particular to a nitrogen-oxygen separation structure of a medical oxygen generator.
Background
The conventional nitrogen-oxygen separation system who makes small-size oxygenerator, the essential element is given vent to anger by the switching-over structure, the adsorption tower, and oxygen is given vent to anger and is blown back a plurality of parts such as pipeline with oxygen and constitute, and wherein oxygen is given vent to anger and oxygen blowback pipeline has two kinds of modes: in the first mode, as shown in fig. 1, the gas path pipeline is complex and has many original parts, and three tee joints, two one-way valves, a throttle valve structure and at least 7 sections of gas pipes are needed; the installation of more components is troublesome, enough space needs to be reserved below the adsorption tower, and otherwise, the risk of pipe shrinkage due to the compression of the air pipe is caused; the second way, as shown in fig. 2, the piping system is simple, and there are small orifice valves between the pipes, but this structure needs the system to provide higher pressure to ensure sufficient oxygen output, so this structure needs the compressor to have larger output, the compressor power is also higher, the load is larger, the noise is larger, the heat generated is more, and the service life is reduced; therefore, the utility model develops a nitrogen-oxygen separation structure of a medical oxygen generator to solve the problems in the prior art, and a technical scheme which is the same as or similar to that of the medical oxygen generator is not found through retrieval.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides a medical oxygen generator nitrogen oxygen separation structure to solve the problem that the complicated easy risk that causes of gas circuit pipeline among the prior art.
The technical scheme of the utility model is as follows: a nitrogen-oxygen separation structure of a medical oxygen generator comprises a compressor, an adsorption tower A, an adsorption tower B, a gas storage tank, a reversing combination valve arranged between the compressor and the adsorption tower A, a reversing combination valve arranged between the compressor and the adsorption tower B, a one-way valve arranged between the gas storage tank and the adsorption tower A, a one-way valve arranged between the gas storage tank and the adsorption tower B, a throttle valve arranged between the adsorption tower A and the adsorption tower B, and a circulation pipeline; a first end cover is arranged below the gas storage tank, and the one-way valve is formed by combining a one-way sheet and the first end cover.
Preferably, a second end cover is arranged below the adsorption tower A, and a third end cover is arranged below the adsorption tower B; a first air outlet pipeline is arranged between the first end cover and the second end cover, a second air outlet pipeline is arranged between the first end cover and the third end cover, and a blowback pipeline is arranged between the second end cover and the third end cover; an air inlet pipeline is arranged between the upper end of the adsorption tower A and the compressor, and the upper end of the adsorption tower B is connected with a nitrogen discharge pipeline; the first air outlet pipeline, the second air outlet pipeline, the blowback pipeline, the air inlet pipeline and the nitrogen discharge pipeline jointly form a circulation pipeline.
Preferably, the throttle valve is arranged in the blowback pipeline, and the reversing combination valve is arranged on the air inlet pipeline and the nitrogen discharging pipeline.
Preferably, constitute each pipeline both ends of circulation pipeline all are provided with fast plug, and corresponding mounted position department all has the air vent to and by the outside stereoplasm PU pipe that extends of air vent, fast plug and the cooperation of pegging graft of stereoplasm PU pipe.
Preferably, a pair of one-way sheets is mounted on the end face of the inner side of the first end cover, one end of each one-way sheet is fixed through a pressing sheet, and the other end of each one-way sheet extends to the vent hole and covers the vent hole.
Compared with the prior art, the utility model has the advantages that:
the utility model improves the traditional structure based on the working principle of the prior art; the first air outlet pipeline, the second air outlet pipeline and the blowback pipeline which are arranged below the structure are simply arranged and are connected in a quick-insertion manner, so that the installation is convenient; the structure of the first end cover, the second end cover and the third end cover is redesigned, the installation is rapid, the structure is multipurpose, and the occupied space is less.
Drawings
The utility model is further described with reference to the following figures and examples:
fig. 1 and 2 are two working principle diagrams of an oxygen generator in the prior art;
FIG. 3 is a schematic structural diagram of a nitrogen-oxygen separation structure of a medical oxygen generator according to the present invention;
FIG. 4 is a schematic view of the arrangement structure of the first outlet pipeline, the second outlet pipeline and the blowback pipeline according to the present invention;
FIG. 5 is a bottom view of the nitrogen-oxygen separation structure of the medical oxygen generator according to the present invention;
FIG. 6 is a partial sectional view of the air reservoir of the present invention;
FIG. 7 is a schematic view of the blowback line of the present invention.
Wherein: 1. the adsorption tower comprises adsorption towers A and 11, a second end cover, 2, adsorption towers B and 21, a third end cover, 3, an air storage tank, 31, a first end cover, 32, a one-way sheet, 33, a gasket sheet, 4, a reversing combination valve, 51, a quick plug, 52, an air vent, 53 and a hard PU pipe;
01. the device comprises a first gas outlet pipeline, a 02 gas outlet pipeline, a second gas outlet pipeline, a 03 blow-back pipeline, a 031 gas throttle valve, a 04 gas inlet pipeline and a 05 nitrogen discharge pipeline.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
as shown in fig. 3, a nitrogen-oxygen separation structure of a medical oxygen generator comprises a compressor (not specifically shown in the figure), an adsorption tower a1, an adsorption tower B2, a gas storage tank 3, a reversing combination valve 4 arranged between the compressor and the adsorption tower a1 and the adsorption tower B2, a one-way valve arranged between the gas storage tank 3 and the adsorption tower a1 and the adsorption tower B2, a throttle valve 031 arranged between the adsorption tower a1 and the adsorption tower B2, and a circulation pipeline; based on the working principle of the prior art in fig. 1, the utility model simplifies the parts, and has the following specific structure:
as shown in fig. 4 and 5, a first end cover 31 is arranged below the air storage tank 3, a second end cover 11 is arranged below the adsorption tower a1, and a third end cover 21 is arranged below the adsorption tower B2; a first air outlet pipeline 01 is arranged between the first end cover 31 and the second end cover 11, a second air outlet pipeline 02 is arranged between the first end cover 31 and the third end cover 21, and a blowback pipeline 03 is arranged between the second end cover 11 and the third end cover 21; an air inlet pipeline 04 is arranged between the upper end of the adsorption tower A1 and the compressor, and a nitrogen discharge pipeline 05 is connected to the upper end of the adsorption tower B2; the first air outlet pipeline 01, the second air outlet pipeline 02, the blowback pipeline 03, the air inlet pipeline 04 and the nitrogen discharge pipeline 05 form a circulation pipeline together; as shown in fig. 6, the two ends of each pipeline constituting the flow pipeline are provided with a quick plug 51, the corresponding mounting positions are provided with vent holes 52 and hard PU pipes 53 extending outwards from the vent holes 52, and the quick plugs 51 are in plug-in fit with the hard PU pipes 53, so that quick connection and convenient mounting are realized; in this embodiment, the second end cap 11 and the third end cap 21 below the adsorption tower a1 and the adsorption tower B2 are designed, and the three-way structure function of the conventional structure shown in fig. 1 is combined, so that the parts are simplified.
As shown in fig. 7, the throttle valve 031 is disposed in the blowback pipeline 03, as shown in fig. 3, the directional combination valve 4 is mounted on the intake pipeline 04 and the nitrogen discharge pipeline 05, as shown in fig. 6, the check valve is formed by combining a check piece 32 with the first end cap 31, a pair of check pieces 32 is mounted on the inner end surface of the first end cap 31, one end of each check piece is fixed by a pressing piece 33, and the other end extends to the vent hole 52 and covers the vent hole 52; the improvement of the one-way valve structure avoids the need of using two one-way valve components in the traditional structure shown in figure 1.
The working principle of the utility model is as follows:
the compressor works, the air is sucked and compressed and pressurized, and the air alternately supplies air to the adsorption tower A1 and the adsorption tower B2 according to the set time through the reversing combination valve 4; the nitrogen adsorbed by the adsorption tower A1 and the adsorption tower B2 is alternately discharged according to the set time through the reversing combination valve 4; taking a working cycle as an example, in the process, when the adsorption tower a1 adsorbs nitrogen in the air, oxygen enters the air storage tank 3 through the first air outlet pipeline 01; meanwhile, as the output oxygen is high-pressure gas, the one-way sheet 32 communicated with the adsorption tower B2 is closed, the oxygen can only enter the adsorption tower B2 through the blowback pipeline 03 with the throttle valve 031, the nitrogen adsorbed in the adsorption tower B2 is purged, and the nitrogen in the adsorption tower B2 is discharged through the reversing combination valve 4.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a medical oxygenerator nitrogen oxygen separation structure, includes compressor, adsorption tower A, adsorption tower B, gas holder, sets up switching-over combination valve between compressor and adsorption tower A and adsorption tower B, sets up check valve between gas holder and adsorption tower A and adsorption tower B, sets up the choke valve between adsorption tower A and adsorption tower B to and circulation pipeline, its characterized in that: a first end cover is arranged below the gas storage tank, and the one-way valve is formed by combining a one-way sheet and the first end cover.
2. The nitrogen-oxygen separation structure of the medical oxygen generator as claimed in claim 1, wherein: a second end cover is arranged below the adsorption tower A, and a third end cover is arranged below the adsorption tower B; a first air outlet pipeline is arranged between the first end cover and the second end cover, a second air outlet pipeline is arranged between the first end cover and the third end cover, and a blowback pipeline is arranged between the second end cover and the third end cover; an air inlet pipeline is arranged between the upper end of the adsorption tower A and the compressor, and the upper end of the adsorption tower B is connected with a nitrogen discharge pipeline; the first air outlet pipeline, the second air outlet pipeline, the blowback pipeline, the air inlet pipeline and the nitrogen discharge pipeline jointly form a circulation pipeline.
3. The nitrogen-oxygen separation structure of the medical oxygen generator as claimed in claim 2, wherein: the throttling valve is arranged in the blowback pipeline, and the reversing combination valve is arranged on the air inlet pipeline and the nitrogen discharging pipeline.
4. The nitrogen-oxygen separation structure of the medical oxygen generator as claimed in claim 2, wherein: constitute each pipeline both ends of circulation pipeline all are provided with fast plug, and the mounted position department that corresponds all has the air vent to and by the outside stereoplasm PU pipe that extends of air vent, fast plug and the cooperation of pegging graft of stereoplasm PU pipe.
5. The nitrogen-oxygen separation structure of the medical oxygen generator as claimed in claim 4, wherein: and a pair of one-way sheets is arranged on the end surface of the inner side of the first end cover, one end of each one-way sheet is fixed through a cushion sheet, and the other end of each one-way sheet extends to the vent hole and covers the vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122536179.0U CN215855114U (en) | 2021-10-21 | 2021-10-21 | Medical oxygen generator nitrogen and oxygen separation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122536179.0U CN215855114U (en) | 2021-10-21 | 2021-10-21 | Medical oxygen generator nitrogen and oxygen separation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215855114U true CN215855114U (en) | 2022-02-18 |
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ID=80263058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122536179.0U Active CN215855114U (en) | 2021-10-21 | 2021-10-21 | Medical oxygen generator nitrogen and oxygen separation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215855114U (en) |
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2021
- 2021-10-21 CN CN202122536179.0U patent/CN215855114U/en active Active
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