CN213839684U - Oxygen generating valve - Google Patents
Oxygen generating valve Download PDFInfo
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- CN213839684U CN213839684U CN202022408110.5U CN202022408110U CN213839684U CN 213839684 U CN213839684 U CN 213839684U CN 202022408110 U CN202022408110 U CN 202022408110U CN 213839684 U CN213839684 U CN 213839684U
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Abstract
The utility model provides an oxygen making valve, relating to the technical field of medical health care instruments. An oxygen generation valve comprising: the valve cover is arranged on the valve body, the top of the valve cover is provided with a valve cover air inlet hole, a valve cover air outlet hole and a valve cover first exhaust hole, the side surface of the valve cover is provided with a valve cover second exhaust hole, and the valve cover air outlet hole is communicated with the valve cover first exhaust hole; the electromagnetic valve is arranged on the valve cover and provided with an electromagnetic valve air outlet and an electromagnetic valve air outlet, the electromagnetic valve air outlet is communicated with the valve cover air inlet hole, and the electromagnetic valve air outlet is communicated with the valve cover air outlet hole. The utility model is provided with two-stage exhaust ports, when exhausting, the air in the upper air chamber enters the cavity of the valve body through the first-stage exhaust port and then is exhausted from the second-stage exhaust port, so that the exhaust noise can be reduced; when exhausting, air in the upper air chamber is not exhausted through the electromagnetic valve any more, and the service life of the electromagnetic valve can be prolonged to a certain extent.
Description
Technical Field
The utility model belongs to the technical field of medical care apparatus, concretely relates to oxygen valve.
Background
The oxygen generator is a kind of machine for producing oxygen, and its principle is that it utilizes air separation technology to extract oxygen from air for domestic use or medical use. The molecular sieve oxygen generator adopts a physical pressure swing adsorption oxygen generation technology, and the oxygen generation principle is that oxygen and nitrogen in air pass through a molecular sieve through an air compressor, and the oxygen and the nitrogen are separated by utilizing the difference of the adsorption capacity of the molecular sieve to the oxygen and the nitrogen in the air, so that high-concentration oxygen is obtained.
The compressor, the oxygen making valve and the molecular sieve are core elements of the molecular sieve oxygen making machine, a valve seat air inlet, a valve seat air outlet and a valve seat air outlet are arranged on a valve seat of the oxygen making valve, the valve seat air outlet is communicated with the valve seat air inlet when the valve is powered on, and the valve seat air outlet is communicated with the valve seat air outlet when the valve is powered off. The compressor is communicated with the air inlet of the valve seat of the oxygen making valve, and the molecular sieve is communicated with the air outlet of the valve seat of the oxygen making valve. When oxygen is generated (the oxygen generation valve is electrified), nitrogen can be adsorbed by the molecular sieve when high-pressure gas passes through the molecular sieve, so that high-concentration oxygen is obtained; after decompression (the oxygen valve is powered off), nitrogen adsorbed in the molecular sieve is discharged through the air outlet of the valve seat and the air outlet of the valve seat in sequence, so that the molecular sieve can be reused for a long time.
Chinese utility model patent 'oxygenerator valve' with publication number CN207921397U discloses an oxygenerator valve, including the disk seat, the cylinder manifold of fixing on the disk seat and a pair of miniature solenoid valve of fixing on the cylinder manifold, the lateral part of miniature solenoid valve has the solenoid valve gas vent.
The solenoid valve gas vent among the prior art generally sets up in the lateral part of solenoid valve, and after the oxygenerator valve outage, the compressed air in last air chamber is got rid of through the solenoid valve gas vent, because space is limited and the gas vent is very little in the solenoid valve, and the gas that flows through at a high speed can produce harsh noise.
Disclosure of Invention
The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, with low costs, can reduce the oxygenerator valve of exhaust noise.
The purpose of the utility model can be realized by the following technical proposal: an oxygen generation valve comprising: a valve body; the valve cover is arranged on the valve body and is detachably connected with the valve body, the top of the valve cover is provided with a valve cover air inlet hole, a valve cover air outlet hole and a valve cover first exhaust hole, the side surface of the valve cover is provided with a valve cover second exhaust hole, and the valve cover air outlet hole is communicated with the valve cover first exhaust hole; the electromagnetic valve is arranged on the valve cover and detachably connected with the valve cover, and is provided with an electromagnetic valve air outlet and an electromagnetic valve air outlet, the electromagnetic valve air outlet is communicated with the valve cover air inlet hole, and the electromagnetic valve air outlet is communicated with the valve cover air outlet hole.
As a further improvement, the valve body is internally provided with a valve cavity which is arranged into an I-shaped cavity.
As a further improvement, the valve cavity is internally provided with an upper diaphragm and a lower diaphragm which are connected through a valve rod.
As a further improvement of the utility model, it is provided with the diaphragm bush to go up the diaphragm and be close to the valve rod side, go up the diaphragm bush with go up the diaphragm butt, it keeps away from the valve rod side and is provided with the gland to go up the diaphragm, go up the gland with go up the diaphragm butt, go up the gland with form the air chamber between the valve gap.
As a further improvement of the utility model, the diaphragm is kept away from valve rod one side down and is provided with the membrane lid, the membrane lid with the diaphragm butt down, the membrane lid with form air chamber down between the diaphragm down.
As a further improvement, the valve body side is provided with the valve body air inlet, the first gas outlet of valve body, valve body second gas outlet, the first gas outlet of valve body, valve body second gas vent, the valve body air inlet the first gas outlet of valve body the valve body second gas outlet the first gas vent of valve body the valve body second gas vent respectively with the valve pocket intercommunication.
As a further improvement of the utility model, the valve body is the cuboid, the valve body bottom has a plurality of triangle-shaped recesses.
As a further improvement of the present invention, the valve cover is bolted to the valve body, and the solenoid valve is bolted to the valve cover.
Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:
1. the valve cover is provided with two stages of exhaust ports, and when the valve body exhausts, compressed air in the upper air chamber enters the cavity of the valve body through the first stage of exhaust port and then is exhausted from the second stage of exhaust port, so that exhaust noise can be greatly reduced;
2. when exhausting, the air in the upper air chamber is not exhausted through the electromagnetic valve any more, compared with the prior art, the service life of the electromagnetic valve can be prolonged to a certain extent;
3. the bottom of the valve body of the utility model is provided with a plurality of triangular grooves, which saves materials and improves the strength of the valve body;
4. the utility model discloses simple structure, it is with low costs.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a front view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view a-a of an embodiment of the present invention.
Fig. 4 is a schematic view of the upper gland, the upper diaphragm bushing, the valve rod, the lower diaphragm, and the diaphragm cover according to an embodiment of the present invention.
Fig. 5 is a top view of a valve body in an embodiment of the invention.
Fig. 6 is a left side view of the valve body in an embodiment of the present invention.
Fig. 7 is a B-B cross-sectional view of a valve body in an embodiment of the invention.
Fig. 8 is a bottom view of a valve cover according to an embodiment of the present invention.
Fig. 9 is a top view of a valve cover according to an embodiment of the present invention.
Fig. 10 is a schematic view of a solenoid valve according to an embodiment of the present invention.
Detailed Description
The following is a specific embodiment of the present invention, and the technical solution of the present invention is further described with reference to fig. 1 to 10, but the present invention is not limited to this embodiment.
As shown in figure 1, the oxygen producing valve of the utility model comprises a valve body 10, a valve cover 20 and two identical electromagnetic valves 30. The valve cover 20 is fixed on the valve body 10, and the electromagnetic valve 30 is fixed on the valve cover 20. Preferably, the valve cover 20 is fixedly connected with the valve body 10 through screws, the two electromagnetic valves 30 are arranged on the valve cover 20 side by side, and the electromagnetic valves 30 are fixedly connected with the valve cover 20 through screws. The valve cover 20 and the solenoid valve 30 are fixed by screws, so that the connection is more stable.
Two valve cavities 11 with the same structure corresponding to the electromagnetic valve 30 are arranged in the valve body 10. The two solenoid valves 30 and the two valve cavities 11 of the present invention have the same structure, so that a solenoid valve 30 and a corresponding valve cavity 11 are specifically described.
As shown in fig. 3, 4 and 7, the valve cavity 11 is configured as an i-shaped cavity, and the upper and lower portions of the valve cavity 11 are respectively provided with an upper diaphragm 50 and a lower diaphragm 60 connected by a valve rod 40. An upper diaphragm bush 51 is arranged on one side of the upper diaphragm 50 close to the valve rod 40, and an upper gland 52 is arranged on one side far away from the valve rod 40. The upper diaphragm liner 51 abuts against the upper diaphragm 50, and the upper cover 52 abuts against the upper diaphragm 50. The lower membrane 60 has a first through hole 61, and a membrane cover 70 is disposed below the lower membrane 60. The membrane cover 70 abuts the lower membrane 60. The cavity between the upper gland 52 and the valve cap 20 is referred to as an upper air chamber, and the cavity between the lower diaphragm 60 and the diaphragm cover 70 is referred to as a lower air chamber.
As shown in fig. 1, 2, 3 and 7, the valve body 10 is provided with a valve body air inlet 12, a valve body first air outlet 13, a valve body second air outlet 14, a valve body first air outlet 15 and a valve body second air outlet 16 which are respectively communicated with the middle of the valve cavity 11.
As shown in fig. 8, 9 and 10, the valve cover 20 has a valve cover inlet hole 21 and a valve cover outlet hole 22, the solenoid valve 30 has a solenoid valve outlet hole 31 and a solenoid valve outlet hole 32, the valve cover inlet hole 21 is opposite to the solenoid valve outlet hole 31, and the valve cover outlet hole 22 is opposite to the solenoid valve outlet hole 32. The valve cover 20 also has a valve cover first exhaust port 23 and a valve cover second exhaust port 24.
During oxygen generation, the electromagnetic valve air inlet and the electromagnetic valve air outlet 31 are opened, air passes through the electromagnetic valve air outlet 31 and enters the upper air chamber through the valve cover air inlet hole 21, so that the air pressure of the upper air chamber is larger than the air pressure of the lower air chamber, the valve rod 40 moves downwards, and the valve body air inlet 12 is communicated with the first valve body air outlet 13 and the second valve body air outlet. The valve body air inlet 12 is connected with a compressor, the valve body first air outlet 13 and the valve body second air outlet 14 are respectively connected with a molecular sieve, and when high-pressure gas passes through the molecular sieve, nitrogen can be adsorbed by the molecular sieve, so that high-concentration oxygen is obtained.
When the oxygen generation is finished, the electromagnetic valve air inlet is closed, and the electromagnetic valve air outlet 31 and the electromagnetic valve air outlet 32 are opened. The air in the upper air chamber is discharged through a valve cover air inlet 21, an electromagnetic valve 30, an electromagnetic valve exhaust port 32, a valve cover exhaust port 22, a valve cover first exhaust port 23, a valve body cavity 17 and a valve cover second exhaust port 24 in sequence. At this time, the air pressure of the lower air chamber is greater than the air pressure of the upper air chamber, the valve rod 40 moves upwards, the valve chamber 11 is communicated with the first valve body exhaust port 15 and the second valve body exhaust port 16, and high-pressure gas in the valve chamber is exhausted from the first valve body exhaust port 15 and the second valve body exhaust port 16.
The utility model discloses oxygenerating the valve, through setting up valve gap first exhaust port 23 and valve gap second exhaust port 24 on valve gap 20, prolonged the gaseous exhaust route of last air chamber when oxygenerating the valve and stopping making oxygen on the one hand, set up exhaust route into through valve body cavity 17 again simultaneously, increased the space that holds compressed air to reduced exhaust impact by a wide margin, reduced the exhaust noise.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. An oxygen generation valve, comprising:
a valve body;
the valve cover is arranged on the valve body and is detachably connected with the valve body, the top of the valve cover is provided with a valve cover air inlet hole, a valve cover air outlet hole and a valve cover first exhaust hole, the side surface of the valve cover is provided with a valve cover second exhaust hole, and the valve cover air outlet hole is communicated with the valve cover first exhaust hole;
the electromagnetic valve is arranged on the valve cover and detachably connected with the valve cover, and is provided with an electromagnetic valve air outlet and an electromagnetic valve air outlet, the electromagnetic valve air outlet is communicated with the valve cover air inlet hole, and the electromagnetic valve air outlet is communicated with the valve cover air outlet hole.
2. The oxygen generation valve of claim 1, wherein the valve body has a valve cavity therein, the valve cavity being configured as an i-shaped cavity.
3. The oxygen generation valve of claim 2, wherein the valve chamber is provided with an upper diaphragm and a lower diaphragm connected by a valve stem.
4. The oxygen generation valve of claim 3, wherein an upper diaphragm bushing is arranged on the side of the upper diaphragm close to the valve rod and abuts against the upper diaphragm, an upper gland is arranged on the side of the upper diaphragm far from the valve rod and abuts against the upper diaphragm, and an upper air chamber is formed between the upper gland and the valve cover.
5. The oxygen generation valve of claim 3, wherein a membrane cover is arranged on the side of the lower membrane far away from the valve rod, the membrane cover is abutted with the lower membrane, and a lower air chamber is formed between the membrane cover and the lower membrane.
6. The oxygen generation valve according to claim 4 or 5, wherein a valve body air inlet, a valve body first air outlet, a valve body second air outlet, a valve body first air outlet and a valve body second air outlet are arranged on the side surface of the valve body, and the valve body air inlet, the valve body first air outlet, the valve body second air outlet, the valve body first air outlet and the valve body second air outlet are respectively communicated with the valve cavity.
7. The oxygen generation valve of claim 6, wherein the valve body is a cuboid, and the bottom of the valve body is provided with a plurality of triangular grooves.
8. The oxygen generation valve of claim 6, wherein the valve cover is bolted to the valve body and the solenoid valve is bolted to the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022408110.5U CN213839684U (en) | 2020-10-26 | 2020-10-26 | Oxygen generating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022408110.5U CN213839684U (en) | 2020-10-26 | 2020-10-26 | Oxygen generating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839684U true CN213839684U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022408110.5U Active CN213839684U (en) | 2020-10-26 | 2020-10-26 | Oxygen generating valve |
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| CN (1) | CN213839684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413033A (en) * | 2021-12-21 | 2022-04-29 | 南京壹诺吉医疗科技有限公司 | Oxygenerator, two-way valve seat thereof, forming die and forming method of two-way valve seat |
-
2020
- 2020-10-26 CN CN202022408110.5U patent/CN213839684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413033A (en) * | 2021-12-21 | 2022-04-29 | 南京壹诺吉医疗科技有限公司 | Oxygenerator, two-way valve seat thereof, forming die and forming method of two-way valve seat |
| CN114413033B (en) * | 2021-12-21 | 2023-12-26 | 南京壹诺吉医疗科技有限公司 | Oxygenerator, two-way valve seat thereof, forming die and forming method of two-way valve seat |
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