CN212523505U - Air filtering device of medical oxygen generator - Google Patents
Air filtering device of medical oxygen generator Download PDFInfo
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- CN212523505U CN212523505U CN202020287135.1U CN202020287135U CN212523505U CN 212523505 U CN212523505 U CN 212523505U CN 202020287135 U CN202020287135 U CN 202020287135U CN 212523505 U CN212523505 U CN 212523505U
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- air
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- interlayer
- end cover
- oxygen generator
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Abstract
The utility model relates to an air filtering device of a medical oxygen generator, which comprises a shell, an end cover, a filter element and a flow guide mechanism, wherein the upper end of the shell is connected with the end cover through a thread assembly, and both sides of the end cover are provided with an air inlet and an air outlet; the compressed air with water drops and vapor passes through the spiral guide plate at a high speed to generate downward cyclone when the air moves, and the centrifugal force separates the liquid drops with high gravity from the air flow. The drying agent and the dust removal filter paper are arranged, so that air can be filtered and secondarily dried.
Description
Technical Field
The utility model relates to a medical oxygen generator, in particular to an air filtering device of the medical oxygen generator.
Background
Oxygen is used as essential gas for human survival, and plays a very important role in daily life, particularly in the process of medical emergency treatment, and generally, prepared oxygen is stored in a steel cylinder at low temperature and pressure for use at any time, but the use is very inconvenient. Therefore, the oxygen generator can be used for medical first aid, and healthy people can inhale oxygen and promote blood circulation to make the head clear, eliminate fatigue and effectively improve the working efficiency. The oxygen generator needs to filter out moisture in the air in the oxygen production process to ensure the dryness of the oxygen.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an air filter which has simple structure and can prolong the service life, and the utility model discloses an air filter of a medical oxygen generator.
The utility model discloses the concrete technical scheme who takes does: an air filtering device of a medical oxygen generator comprises a shell, an end cover, a filter element and a flow guide mechanism, wherein the upper end of the shell is connected with the end cover in an assembling way through threads, and an air inlet and an air outlet are correspondingly arranged on two sides of the end cover; the flow guide mechanism is arranged in the shell and comprises an interlayer and a spiral flow guide plate, the spiral flow guide plate correspondingly arranged on the outer wall of the interlayer is correspondingly abutted against the inner wall of the shell, and the tail end of the air inlet points to the spiral flow guide plate; the middle part of the end cover is provided with a mounting groove corresponding to the interlayer, an extrusion spring is arranged between the lower end of the interlayer and the shell, the extrusion spring pushes the filter element in the mounting groove through the interlayer, and the air outlet correspondingly extends to the filter element;
preferably, the bottom of the shell is provided with a valve body. The lower edge of the interlayer is turned inwards to form an installation station corresponding to the extrusion spring.
Preferably, the top of the filter element is provided with a metal cover, the middle of the metal cover is provided with a positioning pin, and a positioning hole corresponding to the positioning pin is arranged above the end cover. The filter element comprises dust removal filter paper, drying agent filler and dust removal filter paper which are distributed up and down.
The beneficial technical effects are as follows: the compressed air with water drops and vapor passes through the spiral guide plate at a high speed to generate downward cyclone when the air moves, and the centrifugal force separates the liquid drops with high gravity from the air flow. The drying agent and the dust removal filter paper are arranged, so that air can be filtered and secondarily dried.
Drawings
FIG. 1 is a schematic diagram of the present apparatus.
In the figure, 11 shells, 12 end covers, 13 air outlets, 14 air inlets, 15 dedusting filter paper, 16 desiccant fillers, 17 metal covers, 18 interlayers, 19 spiral guide plates, 110 extrusion springs, 111 stainless steel meshes and 112 valve bodies are arranged.
Detailed Description
An air filtering device of a medical oxygen generator, which is shown in figure 1: the filter comprises a shell 11, an end cover 12, a filter element and a flow guide mechanism, wherein the upper end of the shell 11 is in threaded assembly connection with the end cover 12, and an air inlet 14 and an air outlet 13 are correspondingly arranged on two sides of the end cover 12; a flow guide mechanism is arranged in the shell 11 and comprises an interlayer 18 and a spiral guide plate 19, the spiral guide plate 19 correspondingly arranged on the outer wall of the interlayer 18 is correspondingly abutted against the inner wall of the shell 11, and the tail end of the air inlet 14 points to the spiral guide plate 19; the middle part of the end cover 12 is provided with a mounting groove corresponding to the interlayer 18, an extrusion spring 110 is arranged between the lower end of the interlayer 18 and the shell 11, the extrusion spring 110 supports the filter element in the mounting groove through the interlayer 18, and the air outlet 13 correspondingly extends to the filter element;
the bottom of the housing 11 is provided with a valve body 112. The lower edge of the partition 18 is folded inwards to form an installation station corresponding to the extrusion spring 110.
The top of the filter element is provided with a metal cover 17, the middle part of the metal cover 17 is provided with a positioning pin, and a positioning hole corresponding to the positioning pin is arranged above the end cover 12. The filter element comprises dust removing filter paper 15, drying agent filler 16 and dust removing filter paper 15 which are distributed up and down.
The compressed air with water droplets and vapor moves through the spiral deflector 19 at a high speed to generate downward whirlwind, and the centrifugal force separates the heavy liquid droplets from the air flow. The drying agent and the dust removal filter paper 15 are arranged, so that air can be filtered and secondarily dried. When the water drops contact the wall, they lose their inertia force and fall along the wall to separate from the compressed air, exiting through the conical bottom of the housing 11. The stainless steel wire mesh 111 with the diameter of 0.1 and the density of 200 meshes is arranged at the bottom of the interlayer 18, 5um fog particles can be removed, tiny water drops rebounded on the inner wall after being sprayed in a centrifugal mode can be captured by the stainless steel wire mesh 111 with high density, and wind resistance is small.
A sealing rubber ring is arranged between the end cover 12 and the metal cover 17, between the metal cover 17 and the interlayer 18, and the middle part of the end cover 12 is provided with a vent hole corresponding to the filter element.
The extrusion spring 110 is arranged, the filter element is provided with sealing extrusion force through the spring, the bottom of the shell 11 is provided with a valve body 112, the valve body 112 is an electromagnetic valve, and the automatic drainage can be regularly carried out through the control of a controller.
Claims (5)
1. The utility model provides an air filter of medical oxygenerator, includes casing, end cover, filter core and water conservancy diversion mechanism, characterized by: the upper end of the shell is in threaded assembly connection with an end cover, and an air inlet and an air outlet are correspondingly arranged on two sides of the end cover; the flow guide mechanism is arranged in the shell and comprises an interlayer and a spiral flow guide plate, the spiral flow guide plate correspondingly arranged on the outer wall of the interlayer is correspondingly abutted against the inner wall of the shell, and the tail end of the air inlet points to the spiral flow guide plate; the middle part of the end cover is provided with a mounting groove corresponding to the interlayer, an extrusion spring is arranged between the lower end of the interlayer and the shell, the extrusion spring props the filter element in the mounting groove through the interlayer, and the gas outlet correspondingly extends to the filter element.
2. The air filtering device of a medical oxygen generator as set forth in claim 1, wherein: the bottom of the shell is provided with a valve body.
3. The air filtering device of a medical oxygen generator as set forth in claim 1, wherein: the lower edge of the interlayer is turned inwards to form an installation station corresponding to the extrusion spring.
4. The air filtering device of a medical oxygen generator as set forth in claim 1, wherein: the filter core top is equipped with the metal cover, the metal cover middle part is equipped with the locating pin, the end cover top is equipped with the locating hole that corresponds the locating pin.
5. The air filtering device of a medical oxygen generator as set forth in claim 4, wherein: the filter element comprises dust removal filter paper, drying agent filler and dust removal filter paper which are distributed up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287135.1U CN212523505U (en) | 2020-03-10 | 2020-03-10 | Air filtering device of medical oxygen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287135.1U CN212523505U (en) | 2020-03-10 | 2020-03-10 | Air filtering device of medical oxygen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212523505U true CN212523505U (en) | 2021-02-12 |
Family
ID=74526484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020287135.1U Active CN212523505U (en) | 2020-03-10 | 2020-03-10 | Air filtering device of medical oxygen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212523505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117357975A (en) * | 2023-12-05 | 2024-01-09 | 杭州鼎岳空分设备有限公司 | Gas-liquid separation device for oxygenerator |
-
2020
- 2020-03-10 CN CN202020287135.1U patent/CN212523505U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117357975A (en) * | 2023-12-05 | 2024-01-09 | 杭州鼎岳空分设备有限公司 | Gas-liquid separation device for oxygenerator |
| CN117357975B (en) * | 2023-12-05 | 2024-03-15 | 杭州鼎岳空分设备有限公司 | Gas-liquid separation device for oxygenerator |
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