CN204610948U - The membrane valve that zero gauge pressure is opened - Google Patents
The membrane valve that zero gauge pressure is opened Download PDFInfo
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- CN204610948U CN204610948U CN201520182285.5U CN201520182285U CN204610948U CN 204610948 U CN204610948 U CN 204610948U CN 201520182285 U CN201520182285 U CN 201520182285U CN 204610948 U CN204610948 U CN 204610948U
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Abstract
The utility model provides the membrane valve that a kind of zero gauge pressure is opened.According to the membrane valve that zero gauge pressure of the present utility model is opened, comprise valve body, valve body is provided with the entrance cavity and outlet plenum that are connected; Valve gap, is arranged on valve body; Sealing seat, is arranged between entrance cavity and outlet plenum; Barrier film, is arranged between valve body and valve gap, forms the first control chamber between barrier film and valve gap, barrier film and sealing seat fitted seal; Micropump, one end of micropump is connected with the first control chamber.By being connected with micropump by the first control chamber, under zero gauge pressure operating mode, freely controlled the abundant opening and closing of membrane valve of the present utility model by this micropump, the current that improve membrane valve pass through efficiency.
Description
Technical field
The utility model relates to membrane valve field, especially, relates to the membrane valve that a kind of zero gauge pressure is opened.
Background technique
At present, membrane valve is connected on compression piece with a flexible diaphragm, and compression piece is operated by valve rod and moves up and down, and when compression piece rises, diaphragm is just held high, forms path, and when compression piece declines, diaphragm is just pressed on valve body, valve closing.This valve is applicable to cut-off, throttling.
Membrane valve is mainly used in the operation of low-pressure water 1400kP, and they are especially applicable to containing sand with in the system of other solid particle, so in particularly suitable field irrigation, under zero gauge pressure operating mode, because hydraulic pressure is low, membrane valve is opened not exclusively, causes inefficiency.
Model utility content
The utility model object is the membrane valve providing a kind of zero gauge pressure to open, to solve the technical problem of the inefficiency that membrane valve not exclusively causes due to the low unlatching of hydraulic pressure.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The membrane valve that the utility model provides a kind of zero gauge pressure to open, comprise valve body, valve body is provided with the entrance cavity and outlet plenum that are connected; Valve gap, is arranged on valve body; Sealing seat, is arranged between entrance cavity and outlet plenum; Barrier film, is arranged between valve body and valve gap, forms the first control chamber between barrier film and valve gap, barrier film and sealing seat fitted seal; Micropump, one end of micropump is connected with the first control chamber.
Further, the membrane valve that zero gauge pressure is opened also comprises waterway converter, and one end of micropump is connected with the first control chamber by waterway converter, and waterway converter is connected with entrance cavity.
Further, the membrane valve that zero gauge pressure is opened also comprises water flow generator, and the import of water flow generator is connected with entrance cavity.
Further, the membrane valve that zero gauge pressure is opened also comprises water flow generator, and the import of water flow generator is connected with entrance cavity.
Further, the membrane valve that zero gauge pressure is opened also comprises valve pocket seat, and valve pocket seat is arranged in valve body, the second control chamber is formed between barrier film and valve pocket seat, barrier film is connected with main valve disc by valve rod, and valve pocket cover for seat is located on valve rod, main valve disc and sealing seat fitted seal.
Further, the membrane valve that zero gauge pressure is opened also comprises valve pocket seat, and valve pocket seat is arranged in valve body, the second control chamber is formed between barrier film and valve pocket seat, barrier film is connected with main valve disc by valve rod, and valve pocket cover for seat is located on valve rod, main valve disc and sealing seat fitted seal.
Further, waterway converter is connected with the second control chamber.
Further, the membrane valve that zero gauge pressure is opened also comprises valve pocket seat, and valve pocket seat is arranged in valve body, the second control chamber is formed between barrier film and valve pocket seat, barrier film is connected with main valve disc by valve rod, and valve pocket cover for seat is located on valve rod, main valve disc and sealing seat fitted seal.
Further, synchronous switch valve is provided with between the first control chamber and micropump.
Further, the outlet of water flow generator is connected with outlet plenum.
Feature of the present utility model and advantage are:
By being connected with micropump by the first control chamber, under zero gauge pressure operating mode, freely controlled the abundant opening and closing of membrane valve by micropump, the current that improve membrane valve pass through efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is first embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened;
Fig. 2 is second embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened;
Fig. 3 is the 3rd embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened;
Fig. 4 is the 4th embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened;
Fig. 5 is the 5th embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened;
Fig. 6 is the 6th embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened;
Fig. 7 is the 7th embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened; And
Fig. 8 is the 8th embodiment's schematic diagram of the membrane valve that zero gauge pressure of the present utility model is opened.
Reference character in accompanying drawing is as follows: 10, valve body; 11, entrance cavity; 12, outlet plenum; 13, valve gap; 14, sealing seat; 15, valve pocket seat; 21, barrier film; 22, valve rod; 23, main valve disc; 24, drive plate; 31, the first control chamber; 32, the second control chamber; 40, micropump; 50, waterway converter; 60, water flow generator; 61, control switch; 62, control module; 70, synchronous switch valve.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the membrane valve that the utility model provides a kind of zero gauge pressure to open, comprise valve body 10, valve body 10 is provided with the entrance cavity 11 and outlet plenum 12 that are connected; Valve gap 13, is arranged on valve body 10; Sealing seat 14, is arranged between entrance cavity 11 and outlet plenum 12; Barrier film 21, is arranged between valve body 10 and valve gap 13, forms the first control chamber 31 between barrier film 21 and valve gap 13, barrier film 21 and sealing seat 14 fitted seal; Micropump 40, one end of micropump 40 is connected with the first control chamber 31.
According to the first embodiment of the present utility model, micropump 40 is connected with the first control chamber 31, when needing to open membrane valve, micropump 40 is opened, gas in first control chamber 31 or liquid are extracted out, make barrier film 21 depart from sealing seat 14, now entrance cavity 11 is connected with outlet plenum 12, and membrane valve is opened; When needing to close membrane valve, micropump 40 is opened, in the first control chamber 31, pump into gas or liquid, and barrier film 21 is tightly connected with sealing seat 14 and coordinates, now entrance cavity 11 and outlet plenum 12 are isolated, and membrane valve is closed.Further, be provided with synchronous switch valve 70 between the first control chamber 31 and micropump 40, synchronous switch valve 70 and micropump 40 synchronously open and close, and prevent micropump 40 from dallying, waste energy.
The membrane valve that zero gauge pressure of the present utility model is opened, by arranging micropump 40, first control chamber 31 is found time and poured into operation, and then reach and impel barrier film 21 to leave or the effect of gluing, sealing seat 14, control being communicated with of entrance cavity 11 and outlet plenum 12, to make membrane valve open when zero gauge pressure.The utility model is by being connected the first control chamber with micropump, and under zero gauge pressure operating mode, freely controlled the abundant opening and closing of membrane valve by micropump 40, the current that improve membrane valve pass through efficiency.The membrane valve that zero gauge pressure of the present utility model is opened, for the membrane valve applied in a kind of field irrigation, its can when non-water flow pressure or water flow pressure very little, by its micropump 40, barrier film 21 is opened, with make field current smoothly by this zero gauge pressure open membrane valve.
As shown in Figure 2, according to the second embodiment of the present utility model, the structure of the membrane valve opened with zero gauge pressure of the first embodiment is substantially identical; Difference is, in the present embodiment, the membrane valve that this zero gauge pressure is opened also comprises waterway converter 50, and one end of micropump 40 is connected with the first control chamber 31 by waterway converter 50, and waterway converter 50 is connected with entrance cavity 11.Particularly, waterway converter 50 is transducer well known in the prior art, it can realize the object to carrying out mutual conversion connection between many different paths, also be, when micropump 40 is connected with the first control chamber 31 by waterway converter 50, entrance cavity 11 is communicated with external equipment by waterway converter 50 or closes; When the first control chamber 31 is connected with entrance cavity 11 by waterway converter 50, micropump 40 is communicated with external equipment by waterway converter 50 or closes.When needing to close membrane valve, micropump 40 cuts out, and starts waterway converter 50, now, the liquid flowed in entrance cavity 11 flows in the first control chamber 31 by waterway converter 50, after the first control chamber 31 perfusion fluid, promote barrier film 21 to be sealed and matched with sealing seat 14, membrane valve is closed; When needing to open membrane valve, micropump 40 is opened, start waterway converter 50 and make its ALT-CH alternate channel position, micropump 40 is connected with the first control chamber 31, liquid in first control chamber 31 is extracted out, make barrier film 21 depart from sealing seat 14, now entrance cavity 11 is connected with outlet plenum 12, and membrane valve is opened.The setting of this waterway converter 50, the first control chamber 31 can be made to form connected state with the entrance cavity 11 of valve body 10, and when the pressure of entrance cavity 11 is higher than the first control chamber 31, barrier film 21 is opened; When the pressure of entrance cavity 11 is lower than the first control chamber 31, barrier film 21 is closed.This waterway converter 50 can play auxiliary effect of opening barrier film 21, as long as the water flow pressure in entrance cavity 11 is higher than the pressure in the first control chamber 31, can reach the object automatically making barrier film 21 open.
As shown in Figure 3, according to the 3rd embodiment of the present utility model, the structure of the membrane valve opened with zero gauge pressure of the first embodiment is substantially identical; Difference is, in the present embodiment, the membrane valve that this zero gauge pressure is opened also comprises water flow generator 60, and the import of water flow generator 60 is connected with entrance cavity 11.Specifically, be provided with control switch 61 between the import of water flow generator 60 and entrance cavity 11, this control switch 61 controls it by a control module 62 and opens or cut out, and then controls unlatching or the closedown of water flow generator 60.After membrane valve is opened, open control switch 61, the partially liq flowed in entrance cavity 11 can flow through water flow generator 60, water flow generator 60 is generated electricity, the electric energy that this water flow generator 60 sends can provide the electricity consumption of other device in field irrigation to use, the use of this water flow generator 60, further increases the utilization ratio of current in field irrigation.Further, the outlet of water flow generator 60 can be connected with outlet plenum 12, to make the water after flowing through water flow generator 60 be back in membrane valve, utilizes the Water Sproading after generating.Certainly, in other examples, the outlet of this water flow generator 60 also can be connected to outside membrane valve carries out emptying process, or be connected to multiple outlet by multiple one-way valve and carry out emptying, or for the membrane valve of multiple exit, the outlet of this water flow generator 60 can be connected to the downstream position of the membrane valve do not opened or opening, and irrigates use to provide multipath stream current.
As shown in Figure 4, according to the 4th embodiment of the present utility model, the structure of the membrane valve opened with zero gauge pressure of the second embodiment is substantially identical; Difference is, in the present embodiment, the membrane valve that this zero gauge pressure is opened also comprises water flow generator 60, and the import of water flow generator 60 is connected with entrance cavity 11.Specifically, be provided with control switch 61 between the import of water flow generator 60 and entrance cavity 11, this control switch 61 controls it by a control module 62 and opens or cut out, and then controls unlatching or the closedown of water flow generator 60.After membrane valve is opened, open control switch 61, the partially liq flowed in entrance cavity 11 can flow through water flow generator 60, water flow generator 60 is generated electricity, the electric energy that this water flow generator 60 sends can provide the electricity consumption of other device in field irrigation to use, the use of this water flow generator 60, further increases the utilization ratio of current in field irrigation.Further, the outlet of water flow generator 60 can be connected with outlet plenum 12, to make the water after flowing through water flow generator 60 be back in membrane valve, utilizes the Water Sproading after generating.Certainly, in other examples, the outlet of this water flow generator 60 also can be connected to outside membrane valve carries out emptying process, or be connected to multiple outlet by multiple one-way valve and carry out emptying, or for the membrane valve of multiple exit, the outlet of this water flow generator 60 can be connected to the downstream position of the membrane valve do not opened or opening, and irrigates use to provide multipath stream current.
As shown in Figure 5, according to the 5th embodiment of the present utility model, the structure of the membrane valve opened with zero gauge pressure of the first embodiment is substantially identical with implementation result, difference is, in the present embodiment, the membrane valve that this zero gauge pressure is opened also comprises valve pocket seat 15, valve pocket seat 15 is arranged in valve body 10, the second control chamber 32 is formed between barrier film 21 and valve pocket seat 15, barrier film 21 is connected with main valve disc 23 by valve rod 22, valve pocket seat 15 is set on valve rod 22, main valve disc 23 and sealing seat 14 fitted seal, the both sides of barrier film 21 are provided with drive plate 24, ensure the join strength of valve rod 22 and barrier film 21.Specifically, with the first embodiment unlike, the 5th embodiment has two control chambers, and micropump 40 can be connected with the first control chamber 31, also can be connected with the second control chamber 32, and just control mode is contrary.We to be connected with the first control chamber 31 for micropump 40 and to be described below, when needing to open membrane valve, micropump 40 is opened, gas in first control chamber 31 or liquid are extracted out, barrier film 21 is moved, band ovable valve stem 22 and main valve disc 23 depart from sealing seat 14, and now entrance cavity 11 is connected with outlet plenum 12, and membrane valve is opened; When needing to close membrane valve, micropump 40 is opened, in the first control chamber 31, pump into gas or liquid, barrier film 21 is moved, band ovable valve stem 22 and main valve disc 23 are tightly connected with sealing seat 14 and coordinate, and now entrance cavity 11 and outlet plenum 12 are isolated, and membrane valve is closed.
As shown in Figure 6, according to the 6th embodiment of the present utility model, the structure of the membrane valve opened with zero gauge pressure of the second embodiment is substantially identical with implementation result, difference is, in the present embodiment, the membrane valve that this zero gauge pressure is opened also comprises valve pocket seat 15, valve pocket seat 15 is arranged in valve body 10, the second control chamber 32 is formed between barrier film 21 and valve pocket seat 15, barrier film 21 is connected with main valve disc 23 by valve rod 22, valve pocket seat 15 is set on valve rod 22, main valve disc 23 and sealing seat 14 fitted seal, the both sides of barrier film 21 are provided with drive plate 24, ensure the join strength of valve rod 22 and barrier film 21, one end of micropump 40 is connected with the first control chamber 31 by waterway converter 50, waterway converter 50 is connected with entrance cavity 11, waterway converter 50 is connected with the second control chamber 32.Particularly, waterway converter 50 is transducer well known in the prior art, it can realize the object to carrying out mutual conversion connection between many different paths, also be, when micropump 40 is connected with the first control chamber 31 by waterway converter 50, entrance cavity 11 is connected with the second control chamber 32 by waterway converter 50; When the first control chamber 31 is connected with entrance cavity 11 by waterway converter 50, micropump 40 is connected with the second control chamber 32 by waterway converter 50.The first end of waterway converter 50 is connected with micropump 40, second end of waterway converter 50 is connected with the first control chamber 31,3rd end of waterway converter 50 is connected with entrance cavity 11 or other containers, 4th end of waterway converter 50 is connected with the second control chamber 32, wherein, can be different from the liquid flowed through in membrane valve through the liquid that waterway converter 50 injects in the first control chamber 31 or the second control chamber 32 by these other containers.When needing to close membrane valve, start waterway converter 50, now, the liquid flowed in entrance cavity 11 flows in the first control chamber 31 by waterway converter 50, and the liquid in the second control chamber 32 is found time by micropump 40 by waterway converter 50, under the state of the first control chamber 31 perfusion fluid and the second control chamber 32 evacuation of liquid, barrier film 21 moves, band ovable valve stem 22 and main valve disc 23 are sealed and matched with sealing seat 14, and membrane valve is closed; When needing to open membrane valve, start waterway converter 50 and make its ALT-CH alternate channel position, micropump 40 is connected with the first control chamber 31, liquid in first control chamber 31 is extracted out, simultaneously, entrance cavity 11 is connected with the second control chamber 32, in the second control chamber 32, perfusion flows through the liquid of entrance cavity 11, under the state of the first control chamber 31 evacuation of liquid and the second control chamber 32 perfusion fluid, barrier film 21 moves, band ovable valve stem 22 and main valve disc 23 depart from sealing seat 14, and now entrance cavity 11 is connected with outlet plenum 12, and membrane valve is opened.
As shown in Figure 7, according to the 7th embodiment of the present utility model, the structure of the membrane valve opened with zero gauge pressure of the 3rd embodiment is substantially identical with implementation result, difference is, in the present embodiment, the membrane valve that this zero gauge pressure is opened also comprises valve pocket seat 15, valve pocket seat 15 is arranged in valve body 10, the second control chamber 32 is formed between barrier film 21 and valve pocket seat 15, barrier film 21 is connected with main valve disc 23 by valve rod 22, valve pocket seat 15 is set on valve rod 22, main valve disc 23 and sealing seat 14 fitted seal, the both sides of barrier film 21 are provided with drive plate 24, ensure the join strength of valve rod 22 and barrier film 21.Specifically, micropump 40 can be connected with the first control chamber 31, also can be connected with the second control chamber 32, and just control mode is contrary.We are connected with the first control chamber 31 for micropump 40 below, when needing to open membrane valve, micropump 40 is opened, gas in first control chamber 31 or liquid are extracted out, barrier film 21 is moved, band ovable valve stem 22 and main valve disc 23 depart from sealing seat 14, and now entrance cavity 11 is connected with outlet plenum 12, and membrane valve is opened; When needing to close membrane valve, micropump 40 is opened, in the first control chamber 31, pump into gas or liquid, barrier film 21 is moved, band ovable valve stem 22 and main valve disc 23 are tightly connected with sealing seat 14 and coordinate, and now entrance cavity 11 and outlet plenum 12 are isolated, and membrane valve is closed.
As shown in Figure 8, according to the 8th embodiment of the present utility model, the structure of the membrane valve opened with zero gauge pressure of the 4th embodiment is substantially identical with implementation result, difference is, in the present embodiment, the membrane valve that this zero gauge pressure is opened also comprises valve pocket seat 15, valve pocket seat 15 is arranged in valve body 10, the second control chamber 32 is formed between barrier film 21 and valve pocket seat 15, barrier film 21 is connected with main valve disc 23 by valve rod 22, valve pocket seat 15 is set on valve rod 22, main valve disc 23 and sealing seat 14 fitted seal, the both sides of barrier film 21 are provided with drive plate 24, ensure the join strength of valve rod 22 and barrier film 21, one end of micropump 40 is connected with the first control chamber 31 by waterway converter 50, waterway converter 50 is connected with entrance cavity 11, waterway converter 50 is connected with the second control chamber 32.Particularly, waterway converter 50 is transducer well known in the prior art, it can realize the object to carrying out mutual conversion connection between many different paths, also be, when micropump 40 is connected with the first control chamber 31 by waterway converter 50, entrance cavity 11 is connected with the second control chamber 32 by waterway converter 50; When the first control chamber 31 is connected with entrance cavity 11 by waterway converter 50, micropump 40 is connected with the second control chamber 32 by waterway converter 50.The first end of waterway converter 50 is connected with micropump 40, second end of waterway converter 50 is connected with the first control chamber 31,3rd end of waterway converter 50 is connected with entrance cavity 11 or other containers, 4th end of waterway converter 50 is connected with the second control chamber 32, wherein, injecting the first control chamber 31 by these other containers through waterway converter 50 can be different from the liquid flowed through in membrane valve with the liquid in the second control chamber 32.When needing to close membrane valve, start waterway converter 50, the current flowed in entrance cavity 11 inject in the first control chamber 31 by waterway converter 50, and the liquid in the second control chamber 32 is found time by micropump 40 by waterway converter 50, in the first control chamber 31 perfusion fluid and the second control chamber 32 evacuation of liquid state under, barrier film 21 moves, and band ovable valve stem 22 and main valve disc 23 are sealed and matched with sealing seat 14, and membrane valve is closed; When needing to open membrane valve, start waterway converter 50 and make its ALT-CH alternate channel position, micropump 40 is connected with the first control chamber 31, liquid in first control chamber 31 is extracted out, simultaneously, entrance cavity 11 is connected with the second control chamber 32, in the second control chamber 32, perfusion flows through the liquid of entrance cavity 11, under the state of the first control chamber 31 evacuation of liquid and the second control chamber 32 perfusion fluid, barrier film 21 moves, band ovable valve stem 22 and main valve disc 23 depart from sealing seat 14, and now entrance cavity 11 is connected with outlet plenum 12, and membrane valve is opened.
As shown in Figures 1 to 8, micropump 40 can be arranged in the first control chamber 31 in the above-described embodiments.Also can be embedded on valve gap 13 or be arranged on outside the first control chamber 31.Different with effect according to surrounding enviroment, adopt different set-up modes.The conversion body of waterway converter 50 is ceramic conversion body, durable in use, corrosion-resistant, good airproof performance.
One end of micropump 40 is directly or indirectly connected with the first control chamber 31 or the second control chamber 40, its the other end is connected with storage silo, recycle by the gas of discharging in the first control chamber 31 or the second control chamber 40 or liquid, storage silo can be made for elastic material, gas or liquid are saved to storage silo inside after discharging the first control chamber 31, by storage silo distending, in time using next time, the gas of its inside or liquid both can be pressed in the first control chamber 31 or the second control chamber 40 by the contractile force by means of himself.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various change or modification to the utility model embodiment according to content disclosed in application documents and not depart from spirit and scope of the present utility model.
Claims (10)
1. a membrane valve for zero gauge pressure unlatching, is characterized in that, comprising:
Valve body (10), described valve body (10) is provided with the entrance cavity (11) and outlet plenum (12) that are connected;
Valve gap (13), is arranged on described valve body (10);
Sealing seat (14), is arranged between described entrance cavity (11) and described outlet plenum (12);
Barrier film (21), be arranged between described valve body (10) and described valve gap (13), the first control chamber (31) is formed, described barrier film (21) and described sealing seat (14) fitted seal between described barrier film (21) and described valve gap (13);
Micropump (40), one end of described micropump (40) is connected with described first control chamber (31).
2. the membrane valve of zero gauge pressure unlatching according to claim 1, it is characterized in that, also comprise waterway converter (50), one end of described micropump (40) is connected with described first control chamber (31) by described waterway converter (50), and described waterway converter (50) is connected with described entrance cavity (11).
3. the membrane valve of zero gauge pressure unlatching according to claim 1, it is characterized in that, also comprise water flow generator (60), the import of described water flow generator (60) is connected with described entrance cavity (11).
4. the membrane valve of zero gauge pressure unlatching according to claim 2, it is characterized in that, also comprise water flow generator (60), the import of described water flow generator (60) is connected with described entrance cavity (11).
5. the membrane valve of zero gauge pressure unlatching according to claim 1, it is characterized in that, also comprise valve pocket seat (15), described valve pocket seat (15) is arranged in described valve body (10), the second control chamber (32) is formed between described barrier film (21) and described valve pocket seat (15), described barrier film (21) is connected with main valve disc (23) by valve rod (22), described valve pocket seat (15) is set on described valve rod (22), described main valve disc (23) and described sealing seat (14) fitted seal.
6. the membrane valve that zero gauge pressure is opened according to claim 2 or 4, it is characterized in that, also comprise valve pocket seat (15), described valve pocket seat (15) is arranged in described valve body (10), the second control chamber (32) is formed between described barrier film (21) and described valve pocket seat (15), described barrier film (21) is connected with main valve disc (23) by valve rod (22), described valve pocket seat (15) is set on described valve rod (22), described main valve disc (23) and described sealing seat (14) fitted seal.
7. the membrane valve of zero gauge pressure unlatching according to claim 6, it is characterized in that, described waterway converter (50) is connected with described second control chamber (32).
8. the membrane valve of zero gauge pressure unlatching according to claim 3, it is characterized in that, also comprise valve pocket seat (15), described valve pocket seat (15) is arranged in described valve body (10), the second control chamber (32) is formed between described barrier film (21) and described valve pocket seat (15), described barrier film (21) is connected with main valve disc (23) by valve rod (22), described valve pocket seat (15) is set on described valve rod (22), described main valve disc (23) and described sealing seat (14) fitted seal.
9. the membrane valve of zero gauge pressure unlatching according to claim 1, is characterized in that, be provided with synchronous switch valve (70) between described first control chamber (31) and described micropump (40).
10. the membrane valve that zero gauge pressure according to claim 3 or 4 is opened, it is characterized in that, the outlet of described water flow generator (60) is connected with described outlet plenum (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520182285.5U CN204610948U (en) | 2015-03-27 | 2015-03-27 | The membrane valve that zero gauge pressure is opened |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520182285.5U CN204610948U (en) | 2015-03-27 | 2015-03-27 | The membrane valve that zero gauge pressure is opened |
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| CN204610948U true CN204610948U (en) | 2015-09-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696545A (en) * | 2015-03-27 | 2015-06-10 | 张凡 | Zero gauge pressure opened diaphragm valve |
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2015
- 2015-03-27 CN CN201520182285.5U patent/CN204610948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696545A (en) * | 2015-03-27 | 2015-06-10 | 张凡 | Zero gauge pressure opened diaphragm valve |
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