CN203809783U - Diaphragm electromagnetic valve structure for oxygen concentrator - Google Patents
Diaphragm electromagnetic valve structure for oxygen concentrator Download PDFInfo
- Publication number
- CN203809783U CN203809783U CN201420148010.5U CN201420148010U CN203809783U CN 203809783 U CN203809783 U CN 203809783U CN 201420148010 U CN201420148010 U CN 201420148010U CN 203809783 U CN203809783 U CN 203809783U
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- valve body
- cover plate
- diaphragm
- electromagnetic valve
- concentrater
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Abstract
The utility model discloses a diaphragm electromagnetic valve structure for an oxygen concentrator. The diaphragm electromagnetic valve structure comprises a valve body, an upper cover plate and a lower cover plate, wherein the upper and lower cover plates are arranged on the valve body through screws. The diaphragm electromagnetic valve structure is characterized in that two die cavities are formed in the valve body; support frames and upper and lower diaphragms are symmetrically arranged in the die cavities respectively; the upper and lower diaphragms are connected through pushrods; gas paths are formed in the valve body and the inner sides of the upper and lower cover plates; the gas paths in the upper and lower cover plates are communicated with the gas path in the valve body; an electromagnetic valve and connecting pipe orifices communicated with the gas path in the valve body are arranged on the valve body. The diaphragm electromagnetic valve structure is simple, low in cost and convenient to produce in batches, can flexibly work, and has better economic benefits and social benefits, the problems of complex structure, great machining difficulty and high cost of a sliding valve of a gas path reversing device of the oxygen concentrator are completely solved, the working efficiency is greatly improved, and the production cost is lowered.
Description
Technical field
The utility model belongs to concentrater technical field, is specifically related to a kind of diaphragm type electromagnetic valve arrangement for concentrater.
Background technique
Along with the development of medical device technology, medical equipment start to progress into people's life, because concentrater volume is little, easy to use, are therefore subject to medical institutions and numerous residents' favor, and the market demand is also increasing.But, the gas circuit reversing arrangement generally using on concentrater is at present mostly the diaphragm electromagnetic valve that adopts sliding valve structure and two electromagnetic valve, adopting sliding valve structure 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; Adopt the diaphragm electromagnetic valve of two electromagnetic valve, its working principle is: with two 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.
Model utility content
For addressing the above problem, the utility model provides a kind of diaphragm type electromagnetic valve arrangement for concentrater.This device utilizes the power on/off of a solenoid valve to realize pressurized air is introduced to the left and right molecular sieve of concentrater, thereby reaches that the waste gas that oxygen making machine molecular sieve is produced separates with oxygen, nitrogen and discharged to the object of atmosphere.
The utility model is achieved by following technical solution.
A kind of diaphragm type electromagnetic valve arrangement for concentrater, comprise valve body, upper cover plate and lower cover plate, described upper cover plate and lower cover plate are arranged on valve body by screw, described valve inner is provided with two die cavities, in each die cavity, be symmetrically installed with respectively supporting frame, upper diaphragm and lower diaphragm, described upper diaphragm is connected by push rod with lower diaphragm, described valve inner, upper cover plate and lower cover plate inner side are provided with gas circuit, and the gas circuit on upper cover plate and lower cover plate and the gas circuit of valve inner are interconnected, the adapter mouth that is also provided with solenoid valve on described valve body and is communicated with valve inner gas circuit.
Between described valve body top die cavity and upper cover plate, be provided with upper end cap, have seal ring C in upper end cap arranged outside, and seal ring C is between valve body and upper end cap.
Between described valve body bottom and lower cover plate, be provided with lower end cap, be provided with seal ring D at lower end cap, and seal ring D be 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.
Described solenoid valve is threaded connection on valve body.
On described valve body, be provided with obstruction.
Between described valve body and upper cover plate and lower cover plate, seal with seal ring A.
The beneficial effects of the utility model are:
Compared with prior art, the utility model is by adopting a solenoid valve as pilot valve, two die cavities are set on valve body, 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 utility model is simple in structure, cost is low, be convenient to realize and produce in enormous quantities, thoroughly solved concentrater gas circuit reversing arrangement sliding valve structure complexity, difficulty of processing is large, the problem that cost is high, work flexibly, greatly improve working efficiency, reduced cost of production, there is good economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is the utility model internal structure schematic diagram;
Fig. 2 is the utility model form structure schematic diagram;
Fig. 3 is the composite structure schematic diagram of valve body and upper cover plate and lower cover plate.
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-supporting frame, 8-push rod, 9-valve body, diaphragm under 10-, 11-seal ring D, 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.
Embodiment
Further describe the technical solution of the utility model below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As Fig. 1, shown in Fig. 2, a kind of diaphragm type electromagnetic valve arrangement for concentrater described in the utility model, comprise valve body 9, upper cover plate 1 and lower cover plate 13, 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 two die cavities, in each die cavity, be symmetrically installed with respectively supporting frame 7, upper diaphragm 6 and lower diaphragm 10, described upper diaphragm 6 is connected by push rod 8 with lower diaphragm 10, described valve body 9 inside, upper cover plate 1 and lower cover plate 13 inner sides are provided with gas circuit, and the gas circuit of the gas circuit on upper cover plate 1 and lower cover plate 13 and valve body 9 inside is interconnected, the adapter mouth that is also provided with solenoid valve 15 on described valve body 9 and is communicated with valve body 9 inner air paths.In the time making, upper cover plate 1 is identical with lower cover plate 13 structures, can exchange like this use, avoids misloading phenomenon to occur.Be connected with molecular sieve and the silencer of concentrater by the adapter cause for gossip on valve body 9 is existing simultaneously.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.In the technical program, it is the usage requirement of only having a point of sieve in order to meet Miniature oxygenerator that a die cavity is set.The utility model is in the time of work, solenoid valve 15 is accessed to concentrater control circuit, start concentrater switch, solenoid valve 15 is in off-position, upper diaphragm 6 in two die cavities is opened, 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.
Between described valve body 9 top die cavities and upper cover plate 1, be provided with upper end cap 5, have seal ring C4 in upper end cap 5 arranged outside, and seal ring C4 be between valve body 9 and upper end cap 5.Like this, can pass through upper end cap 5, seal ring B3 and seal ring C4 and form upper end cap black box, the upper end die cavity of valve body 9 is formed to excellent sealing.
Between described valve body 9 bottoms and lower cover plate 13, be provided with lower end cap 12, be provided with seal ring D11 at lower end cap 12, and seal ring D11 is between valve body 9 and lower end cap 12.Like this, can form lower end cap black box by lower end cap 12 and seal ring D11, the lower end die cavity of valve body 9 is formed to excellent sealing.
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.
Described solenoid valve 15 is threaded connection on valve body 9.Connect reliably, mount and dismount more conveniently, be convenient to maintenance.
As shown in Figure 3, 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.On described valve body 9, be also provided with and stop up 14, the effect of obstruction 14 is for the auxiliary hole on sealed valve body 9.
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 utility model 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 (7)
1. the diaphragm type electromagnetic valve arrangement for concentrater, comprise valve body (9), upper cover plate (1) and lower cover plate (13), 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 two die cavities, in each die cavity, be symmetrically installed with respectively supporting frame (7), upper diaphragm (6) and lower diaphragm (10), described upper diaphragm (6) is connected by push rod (8) with lower diaphragm (10), described valve body (9) inside, upper cover plate (1) and lower cover plate (13) inner side are provided with gas circuit, and the inner gas circuit of the gas circuit on upper cover plate (1) and lower cover plate (13) and valve body (9) is interconnected, the adapter mouth that is also provided with solenoid valve (15) on described valve body (9) and is communicated with valve body (9) inner air path.
2. a kind of diaphragm type electromagnetic valve arrangement for concentrater according to claim 1, it is characterized in that: between described valve body (9) top die cavity and upper cover plate (1), be provided with upper end cap (5), have seal ring C(4 in upper end cap (5) arranged outside), and seal ring C(4) be positioned between valve body (9) and upper end cap (5).
3. a kind of diaphragm type electromagnetic valve arrangement for concentrater according to claim 1, it is characterized in that: between described valve body (9) bottom and lower cover plate (13), be provided with lower end cap (12), be provided with seal ring D(11 at lower end cap (12)), and seal ring D(11) be positioned between valve body (9) and lower end cap (12).
4. a kind of diaphragm type electromagnetic valve arrangement for concentrater 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).
5. a kind of diaphragm type electromagnetic valve arrangement for concentrater according to claim 1, is characterized in that: described solenoid valve (15) is threaded connection on valve body (9).
6. a kind of diaphragm type electromagnetic valve arrangement for concentrater according to claim 1, is characterized in that: on described valve body (9), be provided with obstruction (14).
7. a kind of diaphragm type electromagnetic valve arrangement for concentrater 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 |
|---|---|---|---|
| CN201420148010.5U CN203809783U (en) | 2014-03-28 | 2014-03-28 | Diaphragm electromagnetic valve structure for oxygen concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148010.5U CN203809783U (en) | 2014-03-28 | 2014-03-28 | Diaphragm electromagnetic valve structure for oxygen concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203809783U true CN203809783U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148010.5U Expired - Fee Related CN203809783U (en) | 2014-03-28 | 2014-03-28 | Diaphragm electromagnetic valve structure for oxygen concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203809783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351277A (en) * | 2015-10-29 | 2016-02-24 | 刘小祥 | Guidance structure controlled by stepping motor |
| CN107246489A (en) * | 2017-02-09 | 2017-10-13 | 常州中进医疗器材有限公司 | A kind of magnetic valve |
-
2014
- 2014-03-28 CN CN201420148010.5U patent/CN203809783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351277A (en) * | 2015-10-29 | 2016-02-24 | 刘小祥 | Guidance structure controlled by stepping motor |
| CN107246489A (en) * | 2017-02-09 | 2017-10-13 | 常州中进医疗器材有限公司 | A kind of magnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |