CN208719437U - A kind of oxygenerating valve - Google Patents
A kind of oxygenerating valve Download PDFInfo
- Publication number
- CN208719437U CN208719437U CN201821222030.7U CN201821222030U CN208719437U CN 208719437 U CN208719437 U CN 208719437U CN 201821222030 U CN201821222030 U CN 201821222030U CN 208719437 U CN208719437 U CN 208719437U
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- valve
- chamber
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- diaphragm
- valve body
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Abstract
The utility model discloses a kind of oxygenerating valves, including valve body, valve plate and pilot mechanism, valve chamber is equipped in valve body, valve body is equipped with working hole, it is provided in valve chamber equipped with upper diaphragm, top board, lower diaphragm and lower platen, upper diaphragm is connected with lower diaphragm by valve rod, valve plate is equipped with the first air flue, pilot mechanism is equipped with regulation component, regulation component is connected to air inlet by the first interface channel, regulation component includes pressure spring seat, piston, pressure spring, piston and the first interface channel cooperate, accommodating cavity is connected to the external world by the second interface channel, valve body is equipped with discharge chamber, first exhaust passage and second exhaust channel, diaphragm seal is equipped in discharge chamber, exhaust spring and exhaust spring seat, diaphragm seal blocks first exhaust passage.The oxygen pneumatic that the utility model ensures to export every time is constant, and can close exhaust outlet in time after exhaust, avoids atmospheric gas adverse current from entering valve body working chamber through exhaust outlet, ensure that oxygenerator oxygen purity.
Description
Technical field
The utility model relates to Solenoid Valve Technology field, in particular to a kind of oxygenerating valve.
Background technique
Oxygen is to maintain the indispensable substance of human life, however people have in face of lacking in some special cases
The environment of few oxygen, or the oxygen of higher concentration is needed, it is based on this demand, oxygen generating plant is applied and given birth to.People are to oxygen
Demand is generally divided into two classes: for correcting pathological hypoxic, that treats disease is known as oxygen therapy with oxygen, wherein for rescuing critical illness
The urgent oxygen therapy of people also known as cures by oxygen therapy first aid；For correcting physiological anoxic, to build up health, prevent disease and improve work
With oxygen it is referred to as oxygen health care with learning efficiency etc..Oxygen therapy oxygen and oxygen oxygen for health care mainly use there are three types of oxygen techniques processed: changing
Learn reagent method, Deep Cooling Method, pressure swing adsorption method.Oxygenerator solenoid valve is a part indispensable in oxygenerator, service ability
Directly decide the oxygen production capacity of entire oxygenerator, and solenoid valve operation stability is poor at present, not can guarantee output gas pressure
Stablize, and oxygenerator is at runtime, is directly vented through oxygenerating valve, atmospheric gas easily adverse current is caused to enter valve body work through exhaust outlet
Make chamber, contacts and react with molecular sieve in valve body working chamber, influence oxygenerator oxygen purity.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of oxygenerating valve is provided, by adding pressure maintaining component in pilot mechanism, really
It is constant to protect the oxygen pneumatic exported every time, meets the needs of oxygen uptake personnel, and exhaust outlet can be closed in time after exhaust, keeps away
Exempt from atmospheric gas adverse current and enter valve body working chamber through exhaust outlet, ensure that oxygenerator oxygen purity.
To achieve the above object, the utility model provides following technical scheme.
A kind of oxygenerating valve, including valve body, valve plate and the identical pilot mechanism of two constructions, valve plate are set to valve body upper end,
Described two pilot mechanisms are disposed side by side on valve plate, and two constructions phase corresponding with two pilot mechanisms is provided in valve body
With valve chamber, be provided with the working hole being connected to valve chamber on valve body, upper chamber and lower chamber be provided in valve chamber, is set in upper chamber
There are a upper diaphragm and top board, and top board connect with valve plate and is fixed on upper diaphragm in valve chamber, shape between top board and upper diaphragm
At venting cavity, it is equipped with lower diaphragm and lower platen in lower chamber, and lower platen connect with valve chamber and is fixed on lower diaphragm in lower chamber,
Lower film on piece is equipped with the balance hole for being connected to lower diaphragm two sides lower chamber, and upper diaphragm is connected by valve rod with lower diaphragm, set on valve plate
There is the first air flue being connected to valve chamber, the pilot mechanism includes valve seat, bracket and electromagnetic coil, and valve seat is connected on the outside of valve plate
The second air flue being connected to the first air flue is provided on face, and on the side wall of valve seat, valve seat is equipped with air inlet, and one end of bracket connects
It is arranged in the side of valve seat, is equipped with dynamic iron core and static iron core in bracket, static iron core is fixedly connected with the other end of bracket, dynamic iron core
Between valve seat and static iron core, guide's spring is equipped between dynamic iron core and bracket, it will under the action of the first guided missile spring of dynamic iron core
Air inlet blocks, and electromagnetic coil is sheathed in the outer rim of bracket, and pilot mechanism is equipped with accommodating cavity, is equipped with pressure regulation group in accommodating cavity
Part, regulation component are connected to air inlet by the first interface channel, and regulation component includes pressure spring seat and piston, pressure regulation bullet
Between spring abutment and piston be equipped with pressure spring, piston under the action of pressure spring with the first interface channel close fit；And hold
It sets chamber and the external world is connected to by the second interface channel, valve body is equipped with discharge chamber, first exhaust passage and second exhaust channel, the
One exhaust passage is discharge chamber to be connected to valve chamber, and second exhaust channel is discharge chamber to be connected to ambient atmosphere, in discharge chamber
Equipped with diaphragm seal, exhaust spring and exhaust spring seat, diaphragm seal blocks first exhaust passage under the action of exhaust spring.
Further, screw thread is equipped in accommodating cavity, pressure spring seat is movably arranged at accommodating cavity by being threadedly engaged
It is interior.
Further, piston is embedded with the rubber plug with the cooperation of the first interface channel.
Further, screw thread is equipped in discharge chamber, exhaust spring seat is movably arranged at discharge chamber by being threadedly engaged
It is interior.
Further, valve plate is fixedly connected with the valve body by screw, and pilot mechanism is fixedly connected by screw with valve plate.
Further, limit film is equipped between upper diaphragm and valve body.
Further, lower chamber is equipped with the circlip cooperated with lower platen.
Further, O-ring is equipped between upper press cover and valve body, between valve plate and valve body.
The utility model has the following beneficial effects: the utility model oxygenerating valve is structurally reasonable, upper and lower diaphragm passes through pressure difference reality
The switching of existing main valve avoids the fatigue strength abrasion of spring switching, diaphragm by good with valve chamber Interference fit sealing effect, thus
Avoid to work long hours causes main valve stuck in no oil condition sealing ring fever expansion, and the noise that runs smoothly is small.And pass through
Regulation component is added, by adding regulation component, when admission pressure is excessive, piston compression pressure spring will be pushed mobile,
So that the first interface channel is opened, the gas of air inlet enters in accommodating cavity through the first interface channel to be arranged through the second interface channel again
Out, so that it is certain into air pressure in valve chamber.It ensure that output gas pressure is stablized, it is ensured that it is certain into the air pressure of working hole every time,
So that oxygenerator smooth working, meets the needs of oxygen uptake personnel.Furthermore when oxygenerating valve is vented, gas enters first exhaust passage
Interior, air pressure in first exhaust passage pushes diaphragm seal compression exhaust spring mobile again after increasing, thus when first exhaust passage
It is connected to discharge chamber, gas enters in discharge chamber to be smoothly discharged through second exhaust channel again, and after the completion of exhaust, diaphragm seal is being arranged
It resets under the action of gas spring, is sealed to closely offset with first exhaust passage, atmospheric gas adverse current is stopped to go out in valve
Chamber contacts with the indoor molecular sieve of reaction and reacts, ensure that oxygenerator oxygen purity.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the schematic cross-sectional view of the utility model.
Fig. 3 is another schematic cross-sectional view of the utility model.
In figure, 1. valve bodies；2. valve plate；3. valve chamber；4. top board；5. upper diaphragm；6. limit film；7. valve rod；8. lower diaphragm；
9. lower platen；10. circlip；11. air inlet；12. the first air flue；13. valve seat；14. bracket；15. electromagnetic coil；16. dynamic iron core；
17. static iron core；18. guide's spring；19. accommodating cavity；20. pressure spring seat；21. piston；22. the first interface channel；23. second
Interface channel；24. discharge chamber；25. diaphragm seal；26. exhaust spring；27. exhaust spring seat；28. first exhaust passage；29. the
Two exhaust passages；30. pilot mechanism；31. pressure spring；32. the second air flue.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
A kind of oxygenerating valve as shown in Figure 1 to Figure 3, including valve body 1, valve plate 2 and the identical pilot mechanism 30 of two constructions,
Valve plate 2 is set to 1 upper end of valve body, and O-ring is equipped between valve plate 2 and valve body 1, ensure that the sealing between valve plate 2 and valve body 1
Property, guarantee that gas will not be revealed, valve plate 2 is fixedly connected by screw with valve body 1, and described two pilot mechanisms 30 are disposed side by side on
On valve plate 2, pilot mechanism 30 is fixedly connected by screw with valve plate 2.Corresponding with pilot mechanism 30 two are provided in valve body 1
It is a to construct identical valve chamber 3.Two guide structures and two valve chambers 3 of the utility model construct respectively it is identical, therefore with an elder generation
It leads mechanism 30 and corresponding valve chamber 3 illustrates.
It is provided with the working hole being connected to valve chamber 3 on valve body 1, is provided with upper chamber and lower chamber in valve chamber 3, in upper chamber
Equipped with upper diaphragm 5 and top board 4, and top board 4 connect with valve plate 2 and is fixed on upper diaphragm 5 in valve chamber 3, top board 4 and upper film
Venting cavity is formed between piece 5, and O-ring is equipped between top board 4 and valve plate 2, gas leakage is prevented, between upper diaphragm 5 and valve body 1
Equipped with limit film 6, upper diaphragm 5 is made to reduce abrasion when moving down, lower diaphragm 8 and lower platen 9, and lower platen 9 are equipped in lower chamber
Connecting with valve chamber 3 is fixed on lower diaphragm 8 in lower chamber, and lower chamber is equipped with the circlip 10 cooperated with lower platen 9, under fixation
Gland, lower diaphragm 8 are equipped with the balance hole for being connected to lower 8 two sides lower chamber of diaphragm, and upper diaphragm 5 and lower diaphragm 8 are connected by valve rod 7
It connects, valve plate 2 is equipped with the first air flue 12 being connected to valve chamber 3.
The pilot mechanism 30 includes valve seat 13, bracket 14 and electromagnetic coil 15, and valve seat 13 is connected to 2 lateral surface of valve plate
On, and the second air flue 32 being connected to the first air flue 12 is provided on the side wall of valve seat 13, valve seat 13 is equipped with air inlet 11, bracket
14 one end is connected at the side of valve seat 13, is equipped with dynamic iron core 16 and static iron core 17, static iron core 17 and bracket 14 in bracket 14
The other end be fixedly connected, dynamic iron core 16 be set between valve seat 13 and static iron core 17, between dynamic iron core 16 and bracket 14 be equipped with first
Guided missile spring 18 blocks air inlet 11 under the action of the first guided missile spring 18 of dynamic iron core 16, dynamic iron core 16 and 11 contact jaw of air inlet
It is embedded with seal plug, so that dynamic iron core 16 cooperates even closer with air inlet 11, electromagnetic coil 15 is sheathed on the outer of bracket 14
On edge.
Pilot mechanism 30 is equipped with accommodating cavity 19, and regulation component is equipped in accommodating cavity 19, and regulation component passes through the first connection
Channel 22 is connected to air inlet 11, and regulation component includes pressure spring seat 20 and piston 21, pressure spring seat 20 and piston 21 it
Between be equipped with pressure spring 31, for piston 21 with 22 close fit of the first interface channel under the action of pressure spring 31, piston 21 is embedding
Equipped with the rubber plug cooperated with the first interface channel 22 so that piston 21 cooperate with the first interface channel 22 it is even closer, and
Accommodating cavity 19 is connected to the external world by the second interface channel 23, and valve body 1 is equipped with discharge chamber 24, first exhaust passage 28 and second
Exhaust passage 29, first exhaust passage 28 discharge chamber 24 to be connected to valve chamber 3, second exhaust channel 29 with by discharge chamber 24 with
Ambient atmosphere connection, discharge chamber 24 is interior to be equipped with diaphragm seal 25, exhaust spring 26 and exhaust spring seat 27, is equipped with spiral shell in discharge chamber 24
Line, exhaust spring seat 27 are movably arranged in discharge chamber 24 by being threadedly engaged, work of the diaphragm seal 25 in exhaust spring 26
First exhaust passage 28 is blocked with lower.
The utility model oxygenerating valve is structurally reasonable, and upper and lower diaphragm 8 realizes the switching of main valve by pressure difference, avoids spring
The fatigue strength of switching is worn, and diaphragm is by good with 3 Interference fit sealing effect of valve chamber, so as to avoid working long hours oil-free
State sealing ring fever expansion causes main valve stuck, and the noise that runs smoothly is small.When work, 11 air inlet of air inlet, while electromagnetic wire
Circle 15, which is powered, generates magnetic fields, so as to compress guide's spring 18 mobile for dynamic iron core 16, air inlet 11 is opened, gas through air inlet 11,
Valve seat 13, the second air flue 32, the first air flue 12 enter in valve chamber 3, and gas enters after valve chamber 3 and enters lower diaphragm 8 by balance hole
The lower chamber of lower section, air pressure, which increases, in lower chamber pushes valve rod 7 to rise to drive lower diaphragm 8 to contact with 3 lower port of valve chamber, together
When upper diaphragm 5 separated with the upper port of valve chamber 3, the gas in valve chamber 3 through the gap between upper diaphragm 5 and valve chamber 3 enter upper gas
Interior, and the area of upper diaphragm 5 is greater than the area of lower diaphragm 8, so that valve rod 7 is pushed to decline, upper diaphragm 5 and 3 upper port of valve chamber
The switching for realizing 1 working hole of valve body is contradicted, by adding regulation component, when admission pressure is excessive, piston 21 will be pushed to press
Contracting pressure spring 31 is mobile, so that the first interface channel 22 is opened, the gas of air inlet 11 enters through the first interface channel 22 to be held
It sets in chamber 19 and is discharged again through the second interface channel 23, so that certain into air pressure in valve chamber 3.It ensure that output gas pressure is stablized,
Ensure every time certain into the air pressure of working hole, so that oxygenerator smooth working, meets the needs of oxygen uptake personnel, in accommodating cavity 19
Equipped with screw thread, pressure spring seat 20 is movably arranged in accommodating cavity 19 by being threadedly engaged.It overregulates spring base and then adjusts
Whole spring is applied to the elastic force of piston 21, guarantees that the pressure entered in the first air flue 12 is required.
Furthermore when oxygenerating valve is vented, gas enters in first exhaust passage 28, and the air pressure in first exhaust passage 28 increases
Push 25 compression exhaust spring 26 of diaphragm seal mobile again afterwards, thus when first exhaust passage 28 be connected to discharge chamber 24, gas into
Enter in discharge chamber 24 and is smoothly discharged again through second exhaust channel 29, after the completion of exhaust, work of the diaphragm seal 25 in exhaust spring 26
It with lower reset, is sealed to closely offset with first exhaust passage 28, stops atmospheric gas adverse current to go out valve insertion, and react
Indoor molecular sieve contact reacts, and ensure that oxygenerator oxygen purity.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (8)
1. a kind of oxygenerating valve, including valve body (1), valve plate (2) and the identical pilot mechanism (30) of two constructions, valve plate (2) setting
In valve body (1) upper end, described two pilot mechanisms (30) are disposed side by side on valve plate (2), are provided with and two elder generations in valve body (1)
The identical valve chamber (3) of corresponding two constructions of mechanism (30) is led, is provided with the working hole being connected to valve chamber (3) on valve body (1),
Is provided with upper chamber and lower chamber in valve chamber (3), is equipped with upper diaphragm (5) and top board (4) in upper chamber, and top board (4) and
Valve plate (2) connection is fixed on upper diaphragm (5) in valve chamber (3), and venting cavity, lower gas are formed between top board (4) and upper diaphragm (5)
Interior is equipped with lower diaphragm (8) and lower platen (9), and lower platen (9) connect with valve chamber (3) lower diaphragm (8) is made to be fixed on lower chamber
Interior, lower diaphragm (8) is equipped with the balance hole for being connected to lower diaphragm (8) two sides lower chamber, and upper diaphragm (5) and lower diaphragm (8) pass through valve
Bar (7) connection, it is characterised in that: valve plate (2) is equipped with the first air flue (12) being connected to valve chamber (3), the pilot mechanism
It (30) include valve seat (13), bracket (14) and electromagnetic coil (15), valve seat (13) is connected on valve plate (2) lateral surface, and valve seat
(13) the second air flue (32) being connected to the first air flue (12) is provided on side wall, valve seat (13) is equipped with air inlet (11), branch
One end of frame (14) is connected at the side of valve seat (13), is equipped with dynamic iron core (16) and static iron core (17), quiet iron in bracket (14)
Core (17) is fixedly connected with the other end of bracket (14), and dynamic iron core (16) is set between valve seat (13) and static iron core (17), moves iron
Guide's spring (18) are equipped between core (16) and bracket (14), by air inlet under the action of the first guided missile spring (18) of dynamic iron core (16)
(11) it blocks, electromagnetic coil (15) is sheathed in the outer rim of bracket (14), and pilot mechanism (30) is equipped with accommodating cavity (19), accommodating
Regulation component is equipped in chamber (19), regulation component is connected to air inlet (11), regulation component packet by the first interface channel (22)
Pressure spring seat (20) and piston (21) are included, is equipped with pressure spring (31) between pressure spring seat (20) and piston (21), piston
(21) under the action of pressure spring (31) with the first interface channel (22) close fit；And accommodating cavity (19) passes through the second connection
Channel (23) is connected to the external world, and valve body (1) is equipped with discharge chamber (24), first exhaust passage (28) and second exhaust channel
(29), first exhaust passage (28) to be so that discharge chamber (24) to be connected to valve chamber (3), and second exhaust channel (29) are with by discharge chamber
(24) it is connected to ambient atmosphere, diaphragm seal (25), exhaust spring (26) and exhaust spring seat (27) is equipped in discharge chamber (24), it is close
Mounting (25) blocks first exhaust passage (28) under the action of exhaust spring (26).
2. a kind of oxygenerating valve according to claim 1, it is characterised in that: be equipped with screw thread, pressure spring in accommodating cavity (19)
Seat (20) is movably arranged in accommodating cavity (19) by being threadedly engaged.
3. a kind of oxygenerating valve according to claim 1, it is characterised in that: piston (21) is embedded with and the first interface channel
(22) rubber plug cooperated.
4. a kind of oxygenerating valve according to claim 1, it is characterised in that: be equipped with screw thread, exhaust spring in discharge chamber (24)
Seat (27) is movably arranged in discharge chamber (24) by being threadedly engaged.
5. a kind of oxygenerating valve according to claim 1, it is characterised in that: valve plate (2) connects by the way that screw and valve body (1) are fixed
It connects, pilot mechanism (30) is fixedly connected by screw with valve plate (2).
6. a kind of oxygenerating valve according to claim 1, it is characterised in that: be equipped with limit between upper diaphragm (5) and valve body (1)
Piece (6).
7. a kind of oxygenerating valve according to claim 1, it is characterised in that: lower chamber is equipped with the card cooperated with lower platen (9)
Spring (10).
8. a kind of oxygenerating valve according to claim 1, it is characterised in that: between upper press cover and valve body (1), valve plate (2) with
Valve body is equipped with O-ring between (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222030.7U CN208719437U (en) | 2018-07-31 | 2018-07-31 | A kind of oxygenerating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222030.7U CN208719437U (en) | 2018-07-31 | 2018-07-31 | A kind of oxygenerating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719437U true CN208719437U (en) | 2019-04-09 |
Family
ID=65975500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821222030.7U Expired - Fee Related CN208719437U (en) | 2018-07-31 | 2018-07-31 | A kind of oxygenerating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719437U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094570A (en) * | 2019-05-30 | 2019-08-06 | 广东万和热能科技有限公司 | Electromagnetism three-position three-way valve |
| CN116764382A (en) * | 2023-06-20 | 2023-09-19 | 北京思瑞德医疗器械有限公司 | Pressure swing adsorption oxygen generation purification device |
| CN110094570B (en) * | 2019-05-30 | 2024-06-07 | 广东万和热能科技有限公司 | Electromagnetic three-position three-way valve |
-
2018
- 2018-07-31 CN CN201821222030.7U patent/CN208719437U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094570A (en) * | 2019-05-30 | 2019-08-06 | 广东万和热能科技有限公司 | Electromagnetism three-position three-way valve |
| CN110094570B (en) * | 2019-05-30 | 2024-06-07 | 广东万和热能科技有限公司 | Electromagnetic three-position three-way valve |
| CN116764382A (en) * | 2023-06-20 | 2023-09-19 | 北京思瑞德医疗器械有限公司 | Pressure swing adsorption oxygen generation purification device |
| CN116764382B (en) * | 2023-06-20 | 2024-02-13 | 北京思瑞德医疗器械有限公司 | Pressure swing adsorption oxygen generation purification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 Termination date: 20200731 |