CN103867752A - Control reversing device of gas circuits of oxygen concentrator - Google Patents
Control reversing device of gas circuits of oxygen concentrator Download PDFInfo
- Publication number
- CN103867752A CN103867752A CN201410119768.0A CN201410119768A CN103867752A CN 103867752 A CN103867752 A CN 103867752A CN 201410119768 A CN201410119768 A CN 201410119768A CN 103867752 A CN103867752 A CN 103867752A
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- CN
- China
- Prior art keywords
- valve body
- cover plate
- gas circuit
- end cap
- concentrater
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
Abstract
The invention discloses a control reversing device of gas circuits of an oxygen concentrator. The control reversing device comprises an upper cover plate, a valve body and a lower cover plate, wherein a left cavity and a right cavity are formed inside the valve body, supporting frames, linkage assemblies, upper end cover sealing assemblies and lower end cover sealing assemblies are arranged in the left cavity and the right cavity of the valve body respectively, the upper cover plate and the lower cover plate are installed on the valve body through screws, a valve body gas circuit is arranged inside the valve body, the upper cover plate and the lower cover plate are respectively provided with a cover plate gas circuit, a passage is formed by the cover plate gas circuit on the upper cover plate, the cover plate gas circuit on the lower cover plate and the valve body gas circuit on the valve body, a solenoid valve is further arranged on the valve body, and a plurality of pipe connectors which are communicated with the valve body gas circuit are further arranged on the valve body. According to the control reversing device of the gas circuits of the oxygen concentrator, control over the two gas circuits can be achieved only through connection and disconnection of one solenoid valve, the sealing mode is simple, working is flexible, working efficiency is greatly improved, the production cost is reduced, high economic benefit and high social benefit are achieved, and the good foundation is laid for mass production in the future.
Description
Technical field
The invention belongs to concentrater technical field, relate to a kind of control reversing arrangement of concentrater gas circuit, be mainly used in medical apparatus concentrater, family expenses concentrater and other pneumatic compression devices that need to carry out gas circuit commutation.
Background technique
Along with economic fast development and human consciousness's continuous progress, people are tending towards pursuing a kind of healthy lifestyles, also more and more higher to the demand of quality of life.And because earth environment pollutes, dietetic life custom, airtight telecommuting place, hypomotility, the many factors such as age growth, and then cause the generation of various diseases, modern has to note supplementing of oxygen at ordinary times.Along with the development of medical device technology, many previous medical equipment that use in medical institutions start to progress into people's life, make people can scientifically tackle some accidents, for daily life provides medical security, suppressed the generation of some serious consequences.
Because concentrater volume is little, easy to use, be therefore subject to medical institutions and numerous residents' favor, the market demand is also increasing.Simultaneously also more and more higher to the requirement of the gas circuit control reversing arrangement on concentrater, meeting under the prerequisite of service behaviour requirement, claimed structure is simple, has certain Economy.But, the gas circuit reversing arrangement generally using on concentrater is at present mostly the diaphragm electromagnetic valve that adopts sliding valve structure and 2 electromagnetic valve, slide valve gear is two-position five-way control valve, part is various, complex structure, the ceramic plate difficulty of processing of internal control gas circuit is large, and surface luminous intensity requires high, thereby has increased the manufacture cost of concentrater.And the diaphragm electromagnetic valve of 2 electromagnetic valve, its working principle is: with 2 solenoid valves as pilot valve, valve body die cavity is symmetrical, upper diaphragm, lower diaphragm composition linked component, in the time of first solenoid valve energising, air pressure promotes linked component makes left chamber upper diaphragm and valve seal profile form end face seal, controls the left molecular sieve air inlet of concentrater, simultaneously the right molecular sieve exhaust of concentrater; Cut off Article 1 circuit, when second solenoid valve energising, air pressure promotes right chamber linked component makes upper diaphragm and valve seal profile form end face seal, the left molecular sieve exhaust of concentrater, the simultaneously right molecular sieve air inlet of concentrater, thus realize the commutation of gas circuit.The diaphragm electromagnetic valve of this kind of structure need to be connected 2 circuit controling electromagnetic valves, need on upper cover plate, process the mounting hole of multiple gas ports and solenoid valve, and valve body is that metal machine adds part, cost is high, and part is various, circuit more complicated, working efficiency is lower, and is not suitable for producing in enormous quantities.
Summary of the invention
For addressing the above problem, the invention provides a kind of control reversing arrangement of concentrater gas circuit.This device directly adopts a solenoid valve to be arranged on valve body as pilot valve, can realize the left and right molecular sieve of pressurized air being introduced to concentrater by the power on/off of solenoid valve, thereby reach that the waste gas that oxygen making machine molecular sieve is produced separates with oxygen, nitrogen and discharged to the object of atmosphere.
The present invention is achieved by following technical solution.
A kind of control reversing arrangement of concentrater gas circuit, comprise upper cover plate, valve body and lower cover plate, be provided with levorotation chamber and right die cavity at valve inner, in the levorotation chamber of valve body and right die cavity, be separately installed with supporting frame, linked component, upper end sealing cover assembly and lower end cap black box, described upper cover plate and lower cover plate are arranged on valve body by screw, described valve inner is provided with valve body gas circuit, on upper cover plate and lower cover plate, be provided with cover plate gas circuit, and the valve body gas circuit on cover plate gas circuit and valve body on upper cover plate and lower cover plate forms path, on described valve body, be also provided with solenoid valve and multiple adapter mouth being connected with valve body gas circuit.
Described linked component is made up of upper diaphragm, push rod and lower diaphragm, its wherein push rod be arranged on respectively in the levorotation chamber and right die cavity of valve body, upper diaphragm and lower diaphragm are placed in respectively the top and bottom of push rod.
Described upper end cap black box is made up of upper end cap, seal ring B, seal ring C and seal ring D, wherein upper end cap is arranged on valve body upper end, and contact with upper cover plate, seal ring B is arranged between upper end cap and upper cover plate, seal ring D is arranged at upper diaphragm below, seal ring C is arranged on upper end cap outside, and between valve body and upper end cap.
Described lower end cap black box is made up of lower end cap and seal ring E, and wherein lower end cap is arranged on valve body lower portion, and contacts with lower cover plate, and seal ring E is arranged on lower end cap outside, and between valve body and lower end cap.
The adapter mouth being provided with on described valve body is respectively and takes over a mouthful A, takes over a mouthful B, takes over a mouthful C, takes over mouthful D and takes over a mouthful E.
On described valve body, obstruction is installed.
On described valve body, be also provided with the fitting seat for solenoid valve is installed.
Described solenoid valve is threaded connection on valve body.
Between described valve body and upper cover plate 1 and lower cover plate, seal with seal ring A.
The invention has the beneficial effects as follows:
Compared with prior art, the present invention is by adopting a solenoid valve as pilot valve, on valve body, design gas circuit and control valve fitting seat, solenoid valve is directly installed on valve body, can realize pressurized air is introduced to left and right molecular sieve by the power on/off of a solenoid valve, realize that the waste gas that oxygen making machine molecular sieve is produced separates with oxygen, nitrogen and discharged to the function of atmosphere simultaneously.The present invention is simple in structure, cost is low, be convenient to realize and produce in enormous quantities, thoroughly solve concentrater gas circuit reversing arrangement sliding valve structure complexity, difficulty of processing is large, the problem that cost is high has solved the diaphragm electromagnetic valve circuit of realizing gas circuit commutation as pilot valve with 2 solenoid valves many, the problem that working efficiency is lower simultaneously.
The present invention only can realize the control of two gas circuits by the power on/off of 1 solenoid valve, sealing means is simple, and work flexibly, greatly improve working efficiency, reduce cost of production, there is good economic benefit and social benefit, for mass production in future is laid a good foundation.
Accompanying drawing explanation
Fig. 1 is external structure schematic diagram of the present invention;
Fig. 2 is internal structure schematic diagram of the present invention;
Fig. 3 is gas circuit and the die cavity plane arrangement structure schematic diagram of valve inner in the present invention;
Fig. 4 is the plane structure schematic diagram of upper cover plate and lower cover plate in the present invention;
Fig. 5 is upper cover plate in the present invention, lower cover plate and valve body combination cross-sectional view;
Fig. 6 is perspective view of the present invention.
In figure: 1-upper cover plate, 2-seal ring A, 3-seal ring B, 4-seal ring C, 5-upper end cap, 6-upper diaphragm, 7-seal ring D, 8-push rod, 9-valve body, diaphragm under 10-, 11-seal ring E, 12-lower end cap, 13-lower cover plate, 14-stops up, 15-solenoid valve, 16-takes over a mouthful A, and 17-takes over a mouthful B, 18-screw, 19-takes over a mouthful C, and 20-takes over a mouthful D, and 21-takes over a mouthful E, 22-screw mounting hole, 101-cover plate gas circuit, 901-levorotation chamber, the right die cavity of 902-, 903-valve body gas circuit.
Embodiment
Further describe technological scheme of the present invention below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As shown in Figures 1 to 6, the control reversing arrangement of a kind of concentrater gas circuit of the present invention, comprise upper cover plate 1, valve body 9 and lower cover plate 13, be provided with levorotation chamber 901 and right die cavity 902 in valve body 9 inside, in the levorotation chamber 901 of valve body 9 and right die cavity 902, be separately installed with supporting frame 7, linked component, upper end sealing cover assembly and lower end cap black box, described upper cover plate 1 and lower cover plate 13 are arranged on valve body 9 by screw 18, described valve body 9 inside are provided with valve body gas circuit 903, on upper cover plate 1 and lower cover plate 13, be provided with cover plate gas circuit 101, and the cover plate gas circuit 101 on upper cover plate 1 and lower cover plate 13 forms path with the valve body gas circuit 903 on valve body 9, in the time making, upper cover plate 1 is identical with lower cover plate 13 structures, can exchange like this use, avoid misloading phenomenon to occur.On described valve body 9, be also provided with solenoid valve 15 and multiple adapter mouth being connected with valve body gas circuit 903.By taking over, cause for gossip is existing to be connected with molecular sieve and the silencer of concentrater.The technical program only can realize the control of two gas circuits by the power on/off of 1 solenoid valve 15, sealing means is simple, and work flexibly.
Described linked component is made up of upper diaphragm 6, push rod 8 and lower diaphragm 10, and wherein push rod 8 is arranged on respectively in the levorotation chamber 901 and right die cavity 902 of valve body 9, and upper diaphragm 6 and lower diaphragm 10 are placed in respectively the top and bottom of push rod 8.In the time of work, solenoid valve 15 is accessed to concentrater control circuit, start concentrater switch, solenoid valve 15 is in off-position, when initial, upper diaphragm 6 in two die cavities is opened, and left molecular sieve is by the air inlet of left delivery outlet (not shown), and the waste gas that simultaneously right molecular sieve produces enters silencer by relief opening (not shown); Solenoid valve 15 is in the time of "on" position, armature adhesive, solenoid valve 15 is opened, air pressure promotes the upper diaphragm 6 in two chambeies, and upper diaphragm 6 is closed, and lower diaphragm 10 is opened, the waste gas that left molecular sieve produces enters silencer by relief opening, right molecular sieve, by right delivery outlet air inlet, so carries out periodic duty simultaneously, has finally realized the commutation of gas circuit.
Described upper end cap black box is made up of upper end cap 5, seal ring B3, seal ring C4 and seal ring D7, wherein upper end cap 5 is arranged on valve body 9 upper ends, and contact with upper cover plate 1, seal ring B3 is arranged between upper end cap 5 and upper cover plate 1, seal ring D7 is arranged at upper diaphragm 6 belows, seal ring C4 is arranged on upper end cap 5 outsides, and between valve body 9 and upper end cap 5.
Described lower end cap black box is made up of lower end cap 12 and seal ring E11, and wherein lower end cap 12 is arranged on valve body 9 bottoms, and contacts with lower cover plate 13, and seal ring E11 is arranged on lower end cap 12 outsides, and between valve body 9 and lower end cap 12.
The adapter mouth being provided with on described valve body 9 is respectively and takes over a mouthful A16, takes over a mouthful B17, takes over a mouthful C19, takes over mouthful D20 and takes over a mouthful E21.In the time of application, the left molecular sieve of concentrater meets the interface tube A16 of valve body 9, right molecular sieve meets the interface tube B17 of valve body 9, and the interface tube D20(that air compressor blowing mouth connects valve body 9 takes over mouthful D20 and air compressor joins), interface tube C19 and interface tube E21 row's atmosphere or connect silencer.Secondly, diaphragm electromagnetic valve mounting hole is connected with screw with the mounting hole of concentrater.
On described valve body 9, be provided with and stop up 14.Due to the requirement of processing technology, on valve body 9, must be provided with auxiliary hole, the effect of obstruction 14 is that the auxiliary hole of valve body 9 is sealed, and prevents gas circuit leakage, avoids pressure loss.
On described valve body 9, be also provided with the fitting seat for solenoid valve 15 is installed.Like this, in the time that solenoid valve 15 is installed, can directly solenoid valve 15 be arranged on valve body 9.
Described solenoid valve 15 is threaded connection on valve body 9.Connect reliably, mount and dismount more conveniently, be convenient to maintenance.
Between described valve body 9 and upper cover plate 1 and lower cover plate 13, seal with seal ring A2.The seal ring A2 here selects the seal ring that can reach sealing effect.This Placement can be introduced the air pressure by solenoid valve 15 in valve body 9 upper lefts and bottom right die cavity, promotes linked component and makes two chamber upper diaphragms 6 and valve body 9 pressurization surfaces form end face seal, thereby realize the commutation of gas circuit.
Described valve body 9 and an adapter mouth A16, an adapter mouth B17, an adapter mouth C19, adapter mouth D20 and an adapter mouth E21 employing plastic monoblock shaping structure.
Working principle of the present invention is: with a solenoid valve 15 as pilot valve, in use, solenoid valve 15 is accessed in the circuit of concentrater, start concentrater, in the time of solenoid valve 15 power-off, under the right chamber of valve body 9, diaphragm 10 forms end face seal with valve body 9, and left chamber upper diaphragm 6 is opened, now pressurized air enters left molecular sieve through the interface tube A16 on valve body 9, parts sub-sieve airflow simultaneously on the right side and by the interface tube E21 of valve body 9, waste gas is discharged, in the time that solenoid valve 15 is switched on, solenoid valve 15 is opened, air pressure is by solenoid valve 15, valve body 9, the gas circuit of upper cover plate 1 and lower cover plate 13, promote the upper diaphragm 6 in He You chamber, the left chamber of valve body 9 simultaneously, make upper diaphragm 6 and valve body 9 form end face seal, the lower diaphragm 10 in He You chamber, the left chamber of valve body 9 is opened simultaneously, now, the waste gas of the left molecular sieve of concentrater is discharged through the interface tube C19 of valve body 9, pressurized air enters right molecular sieve through the interface tube B17 of valve body 9 simultaneously, thereby realize concentrater gas circuit control commutation function, the power on/off of solenoid valve 15 is an air inlet, exhaust cycle, by the on-off circuit SC sigmal control of concentrater self.
Claims (9)
1. the control reversing arrangement of a concentrater gas circuit, comprise upper cover plate (1), valve body (9) and lower cover plate (13), be provided with levorotation chamber (901) and right die cavity (902) in valve body (9) inside, in the levorotation chamber (901) of valve body (9) and right die cavity (902), be separately installed with supporting frame (7), linked component, upper end sealing cover assembly and lower end cap black box, described upper cover plate (1) and lower cover plate (13) are arranged on valve body (9) by screw (18), it is characterized in that: described valve body (9) inside is provided with valve body gas circuit (903), on upper cover plate (1) and lower cover plate (13), be provided with cover plate gas circuit (101), and the cover plate gas circuit (101) on upper cover plate (1) and lower cover plate (13) forms path with the valve body gas circuit (903) on valve body (9), on described valve body (9), be also provided with solenoid valve (15) and multiple adapter mouth being connected with valve body gas circuit (903).
2. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, it is characterized in that: described linked component is made up of upper diaphragm (6), push rod (8) and lower diaphragm (10), wherein push rod (8) is arranged on respectively in the levorotation chamber (901) and right die cavity (902) of valve body (9), and upper diaphragm (6) and lower diaphragm (10) are placed in respectively the top and bottom of push rod (8).
3. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, it is characterized in that: described upper end cap black box is by upper end cap (5), seal ring B(3), seal ring C(4) and seal ring D(7) composition, wherein upper end cap (5) is arranged on valve body (9) upper end, and contact with upper cover plate (1), seal ring B(3) be arranged between upper end cap (5) and upper cover plate (1), seal ring D(7) be arranged at below upper diaphragm (6), seal ring C(4) be arranged on outside upper end cap (5), and be positioned between valve body (9) and upper end cap (5).
4. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, it is characterized in that: described lower end cap black box is by lower end cap (12) and seal ring E(11) form, wherein lower end cap (12) is arranged on valve body (9) bottom, and contact with lower cover plate (13), seal ring E(11) be arranged on lower end cap (12) outside, and be positioned between valve body (9) and lower end cap (12).
5. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, is characterized in that: the adapter mouth being provided with on described valve body (9) is respectively takes over a mouthful A(16), take over a mouthful B(17), take over a mouthful C(19), take over a mouthful D(20) and take over a mouth E (21).
6. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, is characterized in that: obstruction (14) is installed on described valve body (9).
7. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, is characterized in that: described valve body is also provided with the fitting seat for solenoid valve (15) are installed on (9).
8. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, is characterized in that: described solenoid valve (15) is threaded connection on valve body (9).
9. the control reversing arrangement of a kind of concentrater gas circuit according to claim 1, is characterized in that: between described valve body (9) and upper cover plate (1) and lower cover plate (13), use seal ring A(2) seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119768.0A CN103867752B (en) | 2014-03-27 | 2014-03-27 | A kind of control reversing arrangement of concentrater gas circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119768.0A CN103867752B (en) | 2014-03-27 | 2014-03-27 | A kind of control reversing arrangement of concentrater gas circuit |
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| Publication Number | Publication Date |
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| CN103867752A true CN103867752A (en) | 2014-06-18 |
| CN103867752B CN103867752B (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410119768.0A Active CN103867752B (en) | 2014-03-27 | 2014-03-27 | A kind of control reversing arrangement of concentrater gas circuit |
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| Country | Link |
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| CN (1) | CN103867752B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488793A (en) * | 2019-01-03 | 2019-03-19 | 刘小祥 | A kind of reversal valve and its rotary spool |
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| RU2016323C1 (en) * | 1990-03-11 | 1994-07-15 | Повхан Тарас Иванович | Air distributor |
| CN1144312A (en) * | 1995-07-26 | 1997-03-05 | 速睦喜股份有限公司 | Pilot opeated change-over valve |
| CN2625678Y (en) * | 2003-07-16 | 2004-07-14 | 单谟君 | Diaphragm electromagnetic valve |
| CN2705675Y (en) * | 2004-05-12 | 2005-06-22 | 刘永顺 | Combined gas distribution valve special for oxygen making machine |
| CN2783068Y (en) * | 2005-03-22 | 2006-05-24 | 北京安氧舒科技发展有限公司 | Combined air distribution valve for oxygen preparing or nitrogen preparing machine |
| CN201011389Y (en) * | 2007-02-05 | 2008-01-23 | 联鑫驱动科技股份有限公司 | Gas control valve structure of oxygen generator |
| US20080029725A1 (en) * | 2006-08-07 | 2008-02-07 | Smc Corporation | Diaphragm-type electromagnetic valve with closing-force strengthening mechanism |
| CN201377624Y (en) * | 2009-01-06 | 2010-01-06 | 杨华文 | Electromagnetic valve |
| CN102996856A (en) * | 2012-11-16 | 2013-03-27 | 宁波索诺工业自控设备有限公司 | Rotating valve of oxygenator |
-
2014
- 2014-03-27 CN CN201410119768.0A patent/CN103867752B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2016323C1 (en) * | 1990-03-11 | 1994-07-15 | Повхан Тарас Иванович | Air distributor |
| CN1144312A (en) * | 1995-07-26 | 1997-03-05 | 速睦喜股份有限公司 | Pilot opeated change-over valve |
| CN2625678Y (en) * | 2003-07-16 | 2004-07-14 | 单谟君 | Diaphragm electromagnetic valve |
| CN2705675Y (en) * | 2004-05-12 | 2005-06-22 | 刘永顺 | Combined gas distribution valve special for oxygen making machine |
| CN2783068Y (en) * | 2005-03-22 | 2006-05-24 | 北京安氧舒科技发展有限公司 | Combined air distribution valve for oxygen preparing or nitrogen preparing machine |
| US20080029725A1 (en) * | 2006-08-07 | 2008-02-07 | Smc Corporation | Diaphragm-type electromagnetic valve with closing-force strengthening mechanism |
| CN201011389Y (en) * | 2007-02-05 | 2008-01-23 | 联鑫驱动科技股份有限公司 | Gas control valve structure of oxygen generator |
| CN201377624Y (en) * | 2009-01-06 | 2010-01-06 | 杨华文 | Electromagnetic valve |
| CN102996856A (en) * | 2012-11-16 | 2013-03-27 | 宁波索诺工业自控设备有限公司 | Rotating valve of oxygenator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488793A (en) * | 2019-01-03 | 2019-03-19 | 刘小祥 | A kind of reversal valve and its rotary spool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103867752B (en) | 2016-02-17 |
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