CN2705675Y - Combined gas distribution valve special for oxygen making machine - Google Patents

Combined gas distribution valve special for oxygen making machine Download PDF

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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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CN
China
Prior art keywords
valve
air
valve body
way
valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200420050899
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Chinese (zh)
Inventor
刘永顺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANYANGSHU TECH DEVELOPMENT Co Ltd BEIJING
Original Assignee
ANYANGSHU TECH DEVELOPMENT Co Ltd BEIJING
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by ANYANGSHU TECH DEVELOPMENT Co Ltd BEIJING filed Critical ANYANGSHU TECH DEVELOPMENT Co Ltd BEIJING
Priority to CN 200420050899 priority Critical patent/CN2705675Y/en
Application granted granted Critical
Publication of CN2705675Y publication Critical patent/CN2705675Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

The box-like gas distributing valve of oxygenerator dedicated set
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.
CN 200420050899 2004-05-12 2004-05-12 Combined gas distribution valve special for oxygen making machine Expired - Fee Related CN2705675Y (en)

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

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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)

* Cited by examiner, † Cited by third party
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
CN110015639A (en) * 2018-01-10 2019-07-16 欧姆龙健康医疗(中国)有限公司 Oxygen generator
CN110015640A (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

Cited By (9)

* Cited by examiner, † Cited by third party
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
CN110015639A (en) * 2018-01-10 2019-07-16 欧姆龙健康医疗(中国)有限公司 Oxygen generator
CN110015640A (en) * 2018-01-10 2019-07-16 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
CN110015639B (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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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