CN101446357A - Electromagnetic pilot-operated diaphragm valve - Google Patents
Electromagnetic pilot-operated diaphragm valve Download PDFInfo
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- CN101446357A CN101446357A CNA2008100718007A CN200810071800A CN101446357A CN 101446357 A CN101446357 A CN 101446357A CN A2008100718007 A CNA2008100718007 A CN A2008100718007A CN 200810071800 A CN200810071800 A CN 200810071800A CN 101446357 A CN101446357 A CN 101446357A
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Abstract
The invention relates to an electromagnetic pilot-operated diaphragm valve. A water through opening is arranged at a water inlet and a water outlet, and a valve cover is arranged on a control opening; and a diaphragm is arranged between the valve cover and the control opening and can close the water through opening. A water pressure balance cavity is formed between the diaphragm and the valve cover, and the valve cover is provided with a pressure releasing slot which is provided with an electromagnetic valve. The bottom of the pressure releasing slot is provided with a first pressure releasing hole communicated with the water pressure balance cavity, and the diaphragm is provided with a jet orifice. A protruding pole is arranged on the inner surface of the valve cover, the middle part of the diaphragm is fixed on the protruding pole, a second pressure releasing hole is arranged in the protruding pole, and a valve plug of the electromagnetic valve can close the second pressure releasing hole. The water intake aperture of the diaphragm ranges from 15 mm to 20 mm, and the ratio of the areas of the water inlet and the water outlet ranges from 1.5 to 2. The invention can greatly reduce the volume of the whole valve, reduce materials, lower the cost, greatly shorten pressure releasing passages, speed up opening and closing, accomplish normal opening and normal closing at the extremely low water pressure of 0.01 MPa and reduce water hammer, etc.
Description
Technical field
The present invention relates to membrane valve, specifically be meant a kind of electromagnetic pilot-operated diaphragm valve.
Background technique
Existing barrier film water valve as shown in Figure 5, comprise valve body 1, valve gap 2 and barrier film 3, valve body 1 is provided with intake pipe 11, outlet pipe 12 and control mouth 13, be provided with inlet 14 between outlet pipe 12 and the intake pipe 11, barrier film 3 is arranged between valve gap 2 and the control mouth 13, and be in inlet 14 tops, form a water pressure balance cavity 20 between barrier film 3 and the valve gap 2, be provided with spring 8 between barrier film 3 and the valve gap 2, barrier film 3 bottoms are provided with the projection 30 that blocks water, this projection 30 that blocks water can block on inlet 14, and the path between outlet pipe 12 and the intake pipe 11 is blocked; Outlet pipe 12 madial walls are provided with down intercommunicating pore 51, valve gap 2 is provided with a solenoid valve mounting groove 4, solenoid valve mounting groove 4 bottoms are provided with a last intercommunicating pore 52 that communicates with the following intercommunicating pore 51 of outlet pipe 12 madial walls, solenoid valve mounting groove 4 sidewalls also are provided with the through hole 53 that communicates with water pressure balance cavity 20, barrier film 3 is provided with an equalizing orifice 6, this equalizing orifice 6 communicates water pressure balance cavity 20 and intake pipe 11, and solenoid valve 7 is installed in the solenoid valve mounting groove 4, and the spool 70 of solenoid valve 7 is positioned at intercommunicating pore 52 tops.
When the spool 70 of above-mentioned barrier film water valve is in opening state, last intercommunicating pore 52 is on state, water pressure balance cavity 20 and outlet pipe 12 are connected, its hydraulic pressure equals the hydraulic pressure of outlet pipe 12, and less than the hydraulic pressure of intake pipe 11, therefore, barrier film 3 is by the jack-up that makes progress, the projection 30 that blocks water leaves inlet 14, inlet 14 conductings, and intake pipe 11 and outlet pipe 12 are communicated with; When spool 70 is in closed condition, its spool 70 stops up downwards goes up intercommunicating pore 52, because the hydraulic pressure of intake pipe 11 is higher than the hydraulic pressure in the water pressure balance cavity 20, water slowly enters in the water pressure balance cavity 20 from equalizing orifice 6, equate up to 3 liang of side hydraulic pressures of barrier film, barrier film 3 is pressed on the inlet 14 under spring 8 elastic force effects, is blocked between intake pipe 11 and the outlet pipe 12.The barrier film water valve that yet has does not in addition have spring 8, and its course of action relies on barrier film 3 elasticity own to finish fully.
Above-mentioned pressure release passage is through hole 53, goes up intercommunicating pore 52 and through hole 53, and this pressure release passage is positioned at a side of barrier film 3, and communicates with the sidewall of outlet pipe.Because of pressure release passage length is longer, cause the switching speed of the slow valve of pressure release speed also slower; The big cost height of the volume of whole valve body is not suitable for producing in enormous quantities; The described pressure release passage that blocks water during projection quality Datong District is long to produce the limited so minimum unlatching hydraulic pressure of class valve of pressure reduction all more than 0.05MPa.Extremely low hydraulic pressure occasion below 0.05MPa is used, and then can't finish the opening and closing function; Valve body very easily vibrated and produces water hammer when switching speed was worked slowly, influenced function of use.
Summary of the invention
The invention provides a kind of electromagnetic pilot-operated diaphragm valve, its main purpose is to overcome the existing big cost height of electromagnetic pilot-operated diaphragm valve valve volume, slow, the minimum unlatching hydraulic pressure of the slow switch water speed of pressure release height can't use, very easily produce shortcomings such as water hammer in low hydraulic pressure occasion.
The present invention adopts following technological scheme: electromagnetic pilot-operated diaphragm valve, comprise valve body, valve gap and barrier film, valve body is provided with water intake, water outlet and control mouth, be provided with inlet between water intake and the water outlet, valve gap is located on this control mouth, barrier film is arranged between this valve gap and the control mouth and described inlet can be sealed, form a water pressure balance cavity between barrier film and the valve gap, valve gap is provided with a gas pressure relief slot, this gas pressure relief slot is equipped with a solenoid valve, the valve body of this solenoid valve seals into a closed cavity with this gas pressure relief slot, this gas pressure relief slot bottom is provided with first relief hole that communicates with described water pressure balance cavity, described barrier film is provided with the jet hole that water pressure balance cavity and water intake are connected, described valve gap inner side surface is provided with the projection that inwardly protrudes out, the middle part of described barrier film is fixed on this projection, is provided with second relief hole that is communicated with described gas pressure relief slot and described water outlet in this projection, and the spool of described solenoid valve can be with this second relief hole sealing.
The aforementioned electromagnetic pilot-operated diaphragm valve, the center line of the center line of its water outlet and described inlet, control mouth is on same straight line, described gas pressure relief slot is located at described valve gap outer side surface central position, described second relief hole is located at the center of this gas pressure relief slot, described projection is located at the center of described valve gap inner side surface, described water outlet periphery inwardly protrudes out and forms a ring wall, and the inner end of this ring wall forms described inlet.
The aforementioned electromagnetic pilot-operated diaphragm valve is embedded with an annular slab in its barrier film.
Be provided with a spring between aforementioned described barrier film and the described valve gap inner side surface and assist the opening and closing of finishing described membrane valve, also this spring can be set, the course of action of barrier film relies on the elasticity of barrier film itself to finish fully.
The aforementioned electromagnetic pilot-operated diaphragm valve comprises that also one is pressed in gland on the valve body with described valve gap, and this gland is connected by screw-thread fit with described valve body.
Aforesaid electromagnetic pilot-operated diaphragm valve, its described water inlet aperture scope is 15mm to 20mm, barrier film is 1.5 to 2 corresponding to water-in and water-out open area ratio.
Compare as can be known with prior art by above-mentioned description structure of the present invention, the present invention has following advantage: one, described first relief hole, gas pressure relief slot and second relief hole constitute pressure release passage, because this pressure release passage directly passes the center of described barrier film and is communicated with water outlet, this pressure release passage is compared the pressure release path and is shortened with the pressure release passage structure of walking around barrier film in the past, thereby can improve pressure release speed, improve the speed of switch water; Two, because pressure release passage shortens, and the center line of the center line of water outlet and inlet, control mouthful is on same straight line, thereby the volume of whole valve body also dwindled, and cost hangs down could form batch process; Three, because the water inlet pore diameter range is 15mm to 20mm, diaphragm design water-in and water-out open area ratio is 1.5 to 2.So whole membrane valve can satisfy actual usage requirement and other function fully, and can further reduce the volume of valve body; Four, the pressure release passage diaphragm switch speed that shortens is fast, and the barrier film above and below produces the minimum unlatching hydraulic pressure of pressure reduction this type of valve of die all below 0.01MPa, can satisfy fully and hang down the use of hydraulic pressure occasion; Five, diaphragm switch speed is fast, vibration is little, noiseless, and can effectively prevent the generation of water hammer; Six, design process water inlet pore diameter range is 15mm to 20mm, and diaphragm design water-in and water-out open area ratio is 1.5 to 2, so whole membrane valve can satisfy actual usage requirement and other function fully, and the volume that can further reduce valve body is to reduce cost.
Description of drawings
Fig. 1 is in the sectional view of closed condition for the embodiment of the invention one;
Fig. 2 is in the sectional view of opening state for the embodiment of the invention one;
Fig. 3 is in the sectional view of closed condition for the embodiment of the invention two;
Fig. 4 is in the sectional view of opening state for the embodiment of the invention two;
Fig. 5 is the sectional view of prior art electromagnetic pilot-operated diaphragm valve.
Embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
Embodiment one
Electromagnetic pilot-operated diaphragm valve, with reference to Fig. 1, its main structure comprises valve body 1, valve gap 2, gland 3, solenoid valve 4, barrier film 5, nut 6 and spring 7.Be provided with a valve pocket 10 and the water intake 11 that is communicated with this valve pocket, water outlet 12, control mouth 13 and inlet 14 in this valve body 1, the central axis of this water outlet 12, control mouth is on the same straight line, and the central axis of this water intake 11 is vertical with the central axis of this water outlet 12, control mouth.Described water outlet 12 peripheries protrude out in valve pocket 10 and form a ring wall 120, the inner end of this ring wall 120 forms described inlet 14, as seen, inlet 14 between water intake 11 and water outlet 12, the break-make of path between the break-make may command water intake 11 of this inlet 14 and the water outlet 12.
Described valve gap 2 is covered on this control mouth 13, the periphery of barrier film 5 is located between the periphery of this valve gap 2 and control mouthfuls 13, with reference to Fig. 1, when this barrier film 5 can be with described inlet 14 sealings downwards the time, with reference to Fig. 2, this barrier film 5 can make described inlet 14 open when making progress.This gland 3 is pressed in described valve gap 2 on the valve body 1, and this gland 3 and described valve body 1 are connected by screw-thread fit.
Form a water pressure balance cavity 50 between described barrier film 5 and the valve gap 2, valve gap 2 outer side surfaces middle part is concaved with a gas pressure relief slot 20, one solenoid valve 4 is installed on this gas pressure relief slot 20, the valve body of this solenoid valve 4 seals into a confined space with this gas pressure relief slot 20, and this gas pressure relief slot 20 bottoms one side is provided with first relief hole 201 that communicates with described water pressure balance cavity 50.Described valve gap 2 inner side surface centers are provided with the projection 21 that protrudes out in water pressure balance cavity 50, the middle part of described barrier film 5 is socketed on this projection 21, and it is fixing by nut 6, be provided with described spring 7 between barrier film 5 and described valve gap 2 inner side surfaces, this spring 7 is placed in outside this projection 21, also can not have this spring 7, and the course of action of barrier film 5 relies on fully barrier film 5 elasticity own to finish.Be provided with second relief hole 210 that is communicated with described gas pressure relief slot 20 and described water outlet 12 in this projection 21, the end of the spool 41 of described solenoid valve 4 is provided with a sealing gasket 411, and sealing pad 411 can be with these second relief hole, 210 sealings.
Be embedded with an annular slab 52 in the described barrier film 5, this annular slab 52 constitutes these barrier film 5 parts movable up and down, makes barrier film 5 can seal described inlet 14.Barrier film 5 is provided with the jet hole 51 that water pressure balance cavity 50 and water intake 11 are connected in the periphery of this annular slab 52.
When spool 41 is in closed condition, second relief hole 210 is blocked, this moment, water pressure balance cavity 50 interior hydraulic pressure equated with the hydraulic pressure of water intake 11, under the effect of barrier film 5 self gravitations and elastic force or spring 7, the movable part of barrier film 5 is pressed in inlet 14 peripheries downwards, is blocked thereby make between water intake 11 and the water outlet 12; When spool 41 is in opening state, make 210 conductings of second relief hole, constitute pressure release passage with first relief hole 201, this moment, water pressure balance cavity 50 interior hydraulic pressure equated with the hydraulic pressure of water outlet 12, hydraulic pressure is almost nil, under the effect of water intake 11 hydraulic pressure, the movable part of barrier film 5 is upwards left inlet 14 peripheries, is switched on thereby make between water intake 11 and the water outlet 12.
The inside diameter ranges of design process water intake 11 is 15mm to 20mm, and the water-in and water-out open area ratio of barrier film 5 is 1.5 to 2, so whole membrane valve can satisfy actual usage requirement and other function fully, and the volume that can further reduce valve body is to reduce cost.
Embodiment two
With reference to Fig. 3 and Fig. 4, the structure of present embodiment and the foregoing description one is basic identical, difference is: be under unlatching or the closed condition at membrane valve, the shape difference of the barrier film 5 of the two, correspondingly, the size of the ring wall 120 of the two, projection 21 is also different, and the shape of the nut 6 of the two is also different.In addition, the solenoid valve 4 of present embodiment is positioned on the valve gap 2 by a fixed plate 40.
Above-mentioned only is the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (6)
1, electromagnetic pilot-operated diaphragm valve, comprise valve body, valve gap and barrier film, valve body is provided with water intake, water outlet and control mouth, be provided with inlet between water intake and the water outlet, valve gap is located on this control mouth, barrier film is arranged between this valve gap and the control mouth and described inlet can be sealed, form a water pressure balance cavity between barrier film and the valve gap, valve gap is provided with a gas pressure relief slot, this gas pressure relief slot is equipped with a solenoid valve, and the valve body of this solenoid valve seals into a closed cavity with this gas pressure relief slot, and this gas pressure relief slot bottom is provided with first relief hole that communicates with described water pressure balance cavity, described barrier film is provided with the jet hole that water pressure balance cavity and water intake are connected, and it is characterized in that:
Described valve gap inner side surface is provided with the projection that inwardly protrudes out, and the middle part of barrier film is fixed on this projection, is provided with second relief hole that is communicated with described gas pressure relief slot and described water outlet in this projection, and the spool of described solenoid valve can be with this second relief hole sealing.
2, electromagnetic pilot-operated diaphragm valve as claimed in claim 1, it is characterized in that: the center line of the center line of described water outlet and described inlet, control mouth is on same straight line, described gas pressure relief slot is located at valve gap outer side surface central position, described second relief hole is located at the center of this gas pressure relief slot, described projection is located at the center of described valve gap inner side surface, described water outlet periphery inwardly protrudes out and forms a ring wall, and the inner end of this ring wall forms described inlet.
3, electromagnetic pilot-operated diaphragm valve as claimed in claim 1 is characterized in that: be embedded with an annular slab in the described barrier film.
4, electromagnetic pilot-operated diaphragm valve as claimed in claim 1 is characterized in that: be provided with a spring between described barrier film and the described valve gap inner side surface.
5, electromagnetic pilot-operated diaphragm valve as claimed in claim 1 is characterized in that: comprise that also one is pressed in gland on the valve body with described valve gap, this gland is connected by screw-thread fit with described valve body.
6, electromagnetic pilot-operated diaphragm valve as claimed in claim 1 is characterized in that: described water inlet aperture is 15mm to 20mm, and described barrier film is 1.5 to 2 corresponding to the area ratio of entery and delivery port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100718007A CN101446357A (en) | 2008-09-11 | 2008-09-11 | Electromagnetic pilot-operated diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100718007A CN101446357A (en) | 2008-09-11 | 2008-09-11 | Electromagnetic pilot-operated diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101446357A true CN101446357A (en) | 2009-06-03 |
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ID=40742159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100718007A Pending CN101446357A (en) | 2008-09-11 | 2008-09-11 | Electromagnetic pilot-operated diaphragm valve |
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| CN (1) | CN101446357A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345758A (en) * | 2011-10-17 | 2012-02-08 | 佛山市科皓燃烧设备制造有限公司 | Valve clack type pilot electromagnetic valve |
| CN102927348A (en) * | 2012-10-29 | 2013-02-13 | 温州帝威斯感应洁具有限公司 | Electromagnetic valve seat free of water hammer chatter and water path structure |
| CN105114655A (en) * | 2015-09-09 | 2015-12-02 | 鲍伟军 | Waterway control valve unit |
| CN105618287A (en) * | 2016-03-24 | 2016-06-01 | 林泓鑫 | Shower |
| CN106065956A (en) * | 2015-04-23 | 2016-11-02 | 比尔克特韦尔克有限公司 | Diaphragm valve |
| CN106678427A (en) * | 2017-03-17 | 2017-05-17 | 泉州市纵能电磁阀有限公司 | Delay self-closed flushing valve |
| CN108253187A (en) * | 2018-01-11 | 2018-07-06 | 广东万家乐燃气具有限公司 | Water heater and water filling automatic cut-off method |
| WO2019205989A1 (en) * | 2018-04-23 | 2019-10-31 | 科堡科技（江苏）有限公司 | Solenoid valve |
| CN110905877A (en) * | 2018-09-14 | 2020-03-24 | 湖南慧盟重工科技有限公司 | Hydraulic valve, double-cylinder pumping equipment and hydraulic main valve thereof |
| CN111991741A (en) * | 2015-05-06 | 2020-11-27 | 泰科消防产品有限合伙公司 | Integrated fluid control valve and valve actuator assembly |
-
2008
- 2008-09-11 CN CNA2008100718007A patent/CN101446357A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345758B (en) * | 2011-10-17 | 2013-03-06 | 佛山市科皓燃烧设备制造有限公司 | Valve clack type pilot electromagnetic valve |
| CN102345758A (en) * | 2011-10-17 | 2012-02-08 | 佛山市科皓燃烧设备制造有限公司 | Valve clack type pilot electromagnetic valve |
| CN102927348A (en) * | 2012-10-29 | 2013-02-13 | 温州帝威斯感应洁具有限公司 | Electromagnetic valve seat free of water hammer chatter and water path structure |
| CN102927348B (en) * | 2012-10-29 | 2015-05-27 | 温州阿母斯丹洁具科技有限公司 | Electromagnetic valve seat free of water hammer chatter and water path structure |
| CN106065956B (en) * | 2015-04-23 | 2020-09-22 | 比尔克特韦尔克有限公司 | Diaphragm valve |
| CN106065956A (en) * | 2015-04-23 | 2016-11-02 | 比尔克特韦尔克有限公司 | Diaphragm valve |
| US11612776B2 (en) | 2015-05-06 | 2023-03-28 | Tyco Fire Products Lp | Integrated fluid control valve and valve actuator assembly |
| CN111991741B (en) * | 2015-05-06 | 2022-02-25 | 泰科消防产品有限合伙公司 | Integrated fluid control valve and valve actuator assembly |
| CN111991741A (en) * | 2015-05-06 | 2020-11-27 | 泰科消防产品有限合伙公司 | Integrated fluid control valve and valve actuator assembly |
| CN105114655A (en) * | 2015-09-09 | 2015-12-02 | 鲍伟军 | Waterway control valve unit |
| CN105114655B (en) * | 2015-09-09 | 2017-08-29 | 泉州市纵能电磁阀有限公司 | A kind of waterway controlling valve component |
| CN105618287A (en) * | 2016-03-24 | 2016-06-01 | 林泓鑫 | Shower |
| CN106678427A (en) * | 2017-03-17 | 2017-05-17 | 泉州市纵能电磁阀有限公司 | Delay self-closed flushing valve |
| CN108253187A (en) * | 2018-01-11 | 2018-07-06 | 广东万家乐燃气具有限公司 | Water heater and water filling automatic cut-off method |
| WO2019205989A1 (en) * | 2018-04-23 | 2019-10-31 | 科堡科技（江苏）有限公司 | Solenoid valve |
| CN110905877A (en) * | 2018-09-14 | 2020-03-24 | 湖南慧盟重工科技有限公司 | Hydraulic valve, double-cylinder pumping equipment and hydraulic main valve thereof |
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Open date: 20090603 |