CN2705675Y - Combined gas distribution valve special for oxygen making machine - Google Patents
Combined gas distribution valve special for oxygen making machine Download PDFInfo
- Publication number
- CN2705675Y CN2705675Y CN 200420050899 CN200420050899U CN2705675Y CN 2705675 Y CN2705675 Y CN 2705675Y CN 200420050899 CN200420050899 CN 200420050899 CN 200420050899 U CN200420050899 U CN 200420050899U CN 2705675 Y CN2705675 Y CN 2705675Y
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- valve
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Abstract
The utility model relates to a combined gas distribution valve special for the oxygen generator, and the air can enter into and the nitrogen can be exhausted from the combined gas distribution valve special for the oxygen generator. The utility model is composed of a valve body, a valve cap, a valve sheet, a valve rod, a one way valve and a pilot valve. The valve body is provided with a main air inlet interface, two nitrogen exhaust interfaces and two adsorption tank interfaces. The valve body is inward provided with two two-position three-way gas distribution valves and an air chamber. The air chamber is divided with the main air passage, which causes the air only to enter through the main air way and not to return in the air chamber. As two lead electromagnetic valves, two two-position three-way gas distribution valves and an air chamber comprise an integral, the air passage is caused to be with compact connection and small volume. The function of the air chamber causes the speed of the motivation action of the two two-position three-way valves to be raised, and the dependability is good. The two two-position three-way valves adopt the plane sealing, thus the movement of the valve rod has good compatibility, the noise is low, and the sealing property is good. The air inlet and air outlet sealing calibers of the two two-position three-way valves are different, which causes the efficiency of the valve to be high and the noise to be low.
Description
Invention field
The utility model relates to a kind of combined gas distributing valve, particularly is exclusively used in the combined gas distributing valve of small-sized oxygenerator.
Background technique
Oxygenerator is a kind of medical assistance health care facility.It is air purification separation after filtration, provides oxygen content greater than 90% gas, is used for health therapy.Simultaneously separated nitrogen is entered in the air.The process of oxygenerator system oxygen is: the compression of the compressed machine of air, filtration, purification, enter distributing valve from the suction port of distributing valve, and enter adsorption tanks system oxygen by the adsorption tanks interface on the distributing valve, provide use by humidification then.The nitrogen that produces in the oxygen preparation then returns distributing valve by the adsorption tanks interface and discharges by the denitrogen interface.
The gas distributing valve that oxygenerator is used in the prior art is: the combination of single two-position three-way valve or two two-bit triplets or use solenoid valve, rotary machine valve.Its deficiency is: volume is big, and circuit connects numerous and diverse, the rate of fault height; The source of the gas that promotes air valve is directly taken the gas pressure in main gas circuit, and thrust is little and be subjected to the influence of pressure change in the gas circuit, instability; The valve block that is sealed into gas port and relief opening in the valve body generally adopts conical surface contact seal, and noise is big, and suction port is consistent with relief opening sealing bore, and efficient is low.
Summary of the invention
The purpose of this utility model is exactly a kind of novel box-like gas distributing valve of oxygenerator dedicated set that designs in order to overcome above-mentioned deficiency in the prior art.
The utility model is realized as follows: the box-like gas distributing valve of a kind of oxygenerator dedicated set is by valve body, valve upper cover, the valve lower cover, two pilot valves and valve rod, valve block, seal ring, one-way valve, spring assembly forms, it is characterized in that: valve body and valve gap fuse by seal ring, form an air chamber of being separated by with main gas circuit, two independently two-bit triplet gas distributing valve and one-way valves are arranged in the valve body, a main gas circuit intake interface is arranged on the valve body, two adsorption tanks interfaces and two denitrogen interfaces, two pilot solenoid valves are installed on the valve body, the plane sealing mode is adopted in the valve block of two two-position three-way valves in the valve body and the sealing between valve body, and the air-intake valve plate of inlet end and the sealing bore between valve body are greater than the sealing bore between exhaust end exhaust valve plate and valve body.
The box-like gas distributing valve of oxygenerator dedicated set that the utility model provides is integrated two two-position three-way valves and two electromagnetic priority valves, both reduced volume more reduced numerous and diverse property of pipeline, also greatly reduce the incidence rate of fault; The power that promotes air valve no longer directly adopts main gas circuit air pressure, has avoided the influence of main gas circuit instability to air valve, to guarantee the accuracy of valve rod travel, the stability of air valve is greatly improved; Owing to adopt the valve block plane sealing, reduce operational noise simultaneously, improved reliability; And the different bores of two-bit triplet gas distributing valve inlet and outlet mouth make intake process faster, and exhaust process slows down, and has improved the efficient of distributing valve, has reduced the denitrogen noise, and the efficient of oxygenerator is increased, and makes oxygen content improve 1 to 2 percentage point.
Below in conjunction with accompanying drawing and a most preferred embodiment the utility model is narrated in more detail.
Description of drawings
The box-like gas distributing valve structural representation of accompanying drawing 1 oxygenerator dedicated set
The box-like gas distributing valve generalized section of accompanying drawing 2 oxygenerator dedicated set
Accompanying drawing 3 two-bit triplet gas distributing valve suction port relief opening schematic representation
The box-like gas distributing valve air valve plate of accompanying drawing 4 oxygenerator dedicated set schematic representation
In the accompanying drawing 1: 1 denitrogen interface I, 2 exhaust valve plate I, 3 pilot valve I, 4 adsorption tanks interface I, 5 one-way valves, 6 main intake interfaces, 7 valve bodies, 8 adsorption tanks interface II, 9 exhaust valve plate II, 10 pilot valve II, 11 denitrogen interface II.
In the accompanying drawing 2: 12 relief opening I, 13 seal rings, 14 suction port I, 15 valve rod I, 16 springs, 17 air-intake valve plate I, 18 air-intake valve plate II, 19 suction port II, 20 bottom flanges, 21 bonnets, 22 air chambers, 23 relief opening II, 24 valve air cavity II, 25 valve rod II, 26 valve air cavity I.
In the accompanying drawing 3: 27 relief openings sealing bore, 28 suction ports sealing bore.
29 air valve plate sealing planes in the accompanying drawing 4
Embodiment
As shown in Figures 1 and 2, constitute an air chamber (22) by valve body (7) and valve upper cover (21), valve lower cover (20).Two groups of two-bit triplet air valves are arranged in the air chamber, and it is that the master constitutes that each air valve has by the fixedly connected air-intake valve plate of valve rod, exhaust valve plate.At air-intake valve plate one end a Returnning spring is arranged.Pilot valve on air chamber has pipeline and is contained in valve body both sides valve gap communicates, and pilot valve then has gas circuit to communicate with the valve air cavity.Shape custom-designed (referring to Fig. 4) valve block is made by whippy silicone rubber.
Accompanying drawing 3 is two-position three-way valve suction port (28) (with air-intake valve plate contact seal place) on the air valve body and two-bit triplet valve outlet (27) (with the exhaust valve plate contact seal place) schematic representation that caliber size is different on the air valve body.The sealing bore of suction port is greater than the sealing bore of relief opening.
Accompanying drawing 4 is that key is the design and the plane sealing of valve block shape, shown in 29 indications among the figure by the crosscut sectional drawing of the valve block of white silicone rubber making.
The operating principle of combined gas distributing valve is:
After pressurized air entered valve body (7) by main intake interface (6), pressurized gas entered air chamber (22) by one-way valve (5).Pilot valve I (3) energising is opened under Single-chip Controlling, then pressurized air enters the valve air cavity I (26) from air chamber (22) through pilot valve I (3), promote exhaust valve plate I (2), make valve open, pressurized air enters adsorption tower from air-intake valve plate I (17) through adsorption tanks interface I (4).When reaching adsorptive pressure, close through Single-chip Controlling pilot valve I (3), pressurized gas is discharged from pilot valve I (3) among the valve air cavity I (26).This moment is because gas and spring action, exhaust valve plate I (2) return, and air-intake valve plate (17) is closed.Gas is discharged through denitrogen interface I (1) from exhaust valve plate I (2) in the adsorption tower.When electromagnetic priority valve II (10) switches on, then pressurized air enters the valve air cavity II (24) from air chamber (22) through pilot valve II (10), promote exhaust valve plate II (9), make another valve open, pressurized air enters another adsorption tower from air-intake valve plate II (18) through adsorption tanks interface II (8), when reaching adsorptive pressure, close through Single-chip Controlling pilot valve II (10), pressurized gas is discharged from pilot valve II (10) among the valve air cavity II (24), this moment is because gas and spring action, exhaust valve plate II (9) return, air-intake valve plate II (19) closes, and gas is discharged through denitrogen interface II (11) from exhaust valve plate II (9) in the adsorption tower.Like this, two valve alternating movements, two adsorption towers are alternately done air inlet-absorption-exhaust action, finish the process of system oxygen.
The box-like gas distributing valve of oxygenerator dedicated set that the utility model provides is compared in multiple oxygenerator control valve and is had the advantages that volume is little, reaction velocity is fast, noise is low, because this air valve structure compactness, rationally distributed, make one-way valve, pilot valve, two-position three-way valve form one, thereby the gas circuit that has reduced in the oxygenerator connects, make its overall performance good, reliable performance.
Claims (3)
1, the box-like gas distributing valve of a kind of oxygenerator dedicated set is by valve body, valve upper cover, valve lower cover, two pilot valves and valve rod, valve block, seal ring, one-way valve, spring assembly forms, it is characterized in that valve body and valve gap fuse by seal ring, form an air chamber of being separated by, two independently two-bit triplet gas distributing valve and one-way valves are arranged in the valve body, a main gas circuit intake interface is arranged on the valve body with main gas circuit, two adsorption tanks interfaces and two denitrogen interfaces, two pilot solenoid valves are installed on the valve body.
2, the box-like gas distributing valve of oxygenerator dedicated set as claimed in claim 1 is characterized in that the valve block of two two-position three-way valves in the valve body and the sealing between valve body adopt the plane sealing mode.
3, the box-like gas distributing valve of oxygenerator dedicated set as claimed in claim 1 is characterized in that the air-intake valve plate of two-bit triplet gas distributing valve inlet end and the sealing bore between valve body are greater than the sealing bore between exhaust end exhaust valve plate and valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050899 CN2705675Y (en) | 2004-05-12 | 2004-05-12 | Combined gas distribution valve special for oxygen making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050899 CN2705675Y (en) | 2004-05-12 | 2004-05-12 | Combined gas distribution valve special for oxygen making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2705675Y true CN2705675Y (en) | 2005-06-22 |
Family
ID=34851632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420050899 Expired - Fee Related CN2705675Y (en) | 2004-05-12 | 2004-05-12 | Combined gas distribution valve special for oxygen making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2705675Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867752A (en) * | 2014-03-27 | 2014-06-18 | 贵州新安航空机械有限责任公司 | Control reversing device of gas circuits of oxygen concentrator |
| CN108361419A (en) * | 2018-04-10 | 2018-08-03 | 厦门乾泽电子科技有限公司 | A kind of integrated form air valve structure |
| CN110015640A (en) * | 2018-01-10 | 2019-07-16 | 欧姆龙健康医疗(中国)有限公司 | Oxygen generator |
| CN110015639A (en) * | 2018-01-10 | 2019-07-16 | 欧姆龙健康医疗(中国)有限公司 | Oxygen generator |
| CN110605000A (en) * | 2019-09-11 | 2019-12-24 | 武汉美氧科技有限公司 | Oxygenerator adsorption tower upper cover and nitrogen system and oxygenerator of admitting air |
-
2004
- 2004-05-12 CN CN 200420050899 patent/CN2705675Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867752A (en) * | 2014-03-27 | 2014-06-18 | 贵州新安航空机械有限责任公司 | Control reversing device of gas circuits of oxygen concentrator |
| CN103867752B (en) * | 2014-03-27 | 2016-02-17 | 贵州新安航空机械有限责任公司 | A kind of control reversing arrangement of concentrater gas circuit |
| CN110015640A (en) * | 2018-01-10 | 2019-07-16 | 欧姆龙健康医疗(中国)有限公司 | Oxygen generator |
| CN110015639A (en) * | 2018-01-10 | 2019-07-16 | 欧姆龙健康医疗(中国)有限公司 | Oxygen generator |
| CN110015639B (en) * | 2018-01-10 | 2022-05-13 | 欧姆龙健康医疗(中国)有限公司 | Oxygen generator |
| CN110015640B (en) * | 2018-01-10 | 2022-05-13 | 欧姆龙健康医疗(中国)有限公司 | Oxygen generator |
| CN108361419A (en) * | 2018-04-10 | 2018-08-03 | 厦门乾泽电子科技有限公司 | A kind of integrated form air valve structure |
| CN110605000A (en) * | 2019-09-11 | 2019-12-24 | 武汉美氧科技有限公司 | Oxygenerator adsorption tower upper cover and nitrogen system and oxygenerator of admitting air |
| CN110605000B (en) * | 2019-09-11 | 2024-04-23 | 武汉美氧科技有限公司 | Oxygenerator adsorption tower upper cover and intake nitrogen removal system and oxygenerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050622 Termination date: 20100512 |