CN104344006A - Electromagnetic pulse low-pressure diaphragm valve - Google Patents
Electromagnetic pulse low-pressure diaphragm valve Download PDFInfo
- Publication number
- CN104344006A CN104344006A CN201310340193.0A CN201310340193A CN104344006A CN 104344006 A CN104344006 A CN 104344006A CN 201310340193 A CN201310340193 A CN 201310340193A CN 104344006 A CN104344006 A CN 104344006A
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- China
- Prior art keywords
- diaphragm
- valve
- small
- valve gap
- little
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
- F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
Abstract
The invention relates to an electromagnetic pulse low-pressure diaphragm valve which comprises an electromagnetic valve, a small valve cover, a small diaphragm, a large valve cover, a large diaphragm, a large pressure spring and a valve seat, wherein the large diaphragm and the small diaphragm divide the electromagnetic pulse low-pressure diaphragm valve into a large air chamber and a small air chamber; air pockets supply air to the large air chamber and the small air chamber in parallel through a small hole in the middle of the large diaphragm and a through hole in a wall of the large valve cover, holes in sealing surfaces of the large diaphragm and the small diaphragm and small inward grooves in sealing surfaces of the small valve cover and the valve seat; the electromagnetic pulse low-pressure diaphragm valve is opened and closed at 0.2-0.3MPa; service lives of the large diaphragm, small diaphragm and mating fittings are prolonged due to low pressure; and the production cost is lowered.
Description
Technical field
The present invention relates to a kind of electromagnetic pulse low pressure diaphragm valve, control pressurized air open and close by electromagnetic pulse, it is especially applicable to pulsation pocket type dirt device high and low pressure jetting deashing, and have structure simple, working pressure is low, long service life, fast and reliable.
Background technique
Electromagnetic pulse membrane valve (also known as membrane valve) is the pressurized air " switch " of pulse pocket type dust catcher deashing injection system.Now widely used electromagnetic pulse membrane valve as shown in Figure 2, under the pressure of solenoid valve pressure spring, solenoid valve Rubber end is pressed on the exhaust port on the little valve gap that communicates with air, Small diaphragm-piece is pressed on the large valve gap exhaust port that communicates with air under little pressure spring pressure pressure, macromesenterium sheet at large pressure spring pressure on valve seat on outlet pipe, greatly, electromagnetic pulse membrane valve is separated into two size air chambers by Small diaphragm-piece, greatly, the sealing surface of Small diaphragm-piece respectively there is a hole, the valve body corresponding with hole, large valve gap, groove is had in faced by little valve bonnet seal, form U-shaped passage, make gas bag with large, serial air supply between little air chamber, gas bag working pressure is 0.5-0.6MPa, during the work of pulsation sack cleaner, because electromagnetic impulse valve and filter bag work under 0.5-0.6MPa gas shock, barrier film and the dust settling pocket of electromagnetic pulse membrane valve very easily damage, tens, as long as a hundreds of dust settling pocket has a damage, replacing will be shut down, it not only increases dedusting expense, add workman's amount of labour, reduce the utilization ratio of dusting apparatus, and affect whole production line.
Summary of the invention
In order to overcome current electromagnetic pulse membrane valve Que Dian, the invention provides one and there is structure simply, under 0.2-0.3MPa pressurized air, the electromagnetic pulse low pressure diaphragm valve of fast and reliable work.
Realizing above-mentioned purpose technological scheme is; Electromagnetic pulse low pressure diaphragm valve of the present invention is made up of solenoid valve, bolt, little valve gap, Small diaphragm-piece, large valve gap, large diaphragm, large pressure spring, valve seat.The same with ordinary electromagnetic pulse membrane valve, solenoid valve, little valve gap, Small diaphragm-piece, large valve gap, large diaphragm, valve seat, gas bag superposes bolt from top to down successively and fixes, septulum diaphragm is pressed on exhaust port that large valve gap communicates with air, under the pressure of the large pressure spring in large valve gap, macromesenterium sheet is pressed in on the outlet pipe on valve seat, solenoid valve Rubber end is under the pressure of solenoid valve internal pressure spring, be pressed on exhaust port that little valve gap communicates with air, electromagnetic pulse low pressure diaphragm valve is separated into two greatly by large diaphragm and Small diaphragm-piece, little air chamber, the sealing surface of large diaphragm and Small diaphragm-piece has a hole, it is characterized in that the valve seat corresponding with hole, the sealing surface of little valve gap internally there is groove, large valve gap wall there is through hole, the two in hole is on upper and lower two sealing surfaces of large valve gap, and with greatly, hole on the sealing surface of Small diaphragm-piece communicates, the outside of outlet pipe on valve seat, concentric uniform aperture on large diaphragm.
After adopting such scheme, when solenoid valve quits work, pressurized air in gas bag directly supplies atmospheric air chamber by aperture on large diaphragm, pressurized air simultaneously in gas bag is via sulculus internal on sealing surface of seat, hole on large diaphragm seal face, through hole on large valve gap wall, hole on Small diaphragm-piece sealing surface, little air chamber air feed is directly supplied with the gas circuit of sulculus composition internal on little valve bonnet seal face, because gas bag is with large, little air chamber air feed in parallel, greatly, little air chamber is equal with gas bag air pressure, large diaphragm is under pressure spring and atmospheric air chamber gas double pressure, block pressurized air in gas bag and enter outlet pipe on valve seat, on plug in solenoid valve, Rubber end is under the pressure of solenoid valve internal pressure spring, be pressed in little valve gap upper air-vent, block pressurized air in little air chamber by little valve gap upper air-vent, because Small diaphragm-piece 8 has exhaust port below, make on Small diaphragm-piece 8, produce pressure difference below, on the exhaust port that Small diaphragm-piece 8 is tightly pressed on large valve gap 9, block pressurized air in atmospheric air chamber by large valve gap exhaust port, electromagnetic pulse low pressure diaphragm valve is made to be in closed condition, when electromagnetic valve work, plug in solenoid valve is under the effect of electromagnetic force, on plug, Rubber end moves up, the pressurized air of little air chamber is made to enter air, due to by sulculus internal on sealing surface of seat, hole on large diaphragm seal face, through hole on large valve gap wall, hole on Small diaphragm-piece sealing surface, stingy chamber gas outlet flow is far smaller than with the flow of the gas circuit gas of sulculus composition internal on little valve bonnet seal face, little air chamber pressure declines, be far smaller than atmospheric air chamber compressed air pressure, under the promotion of atmospheric air chamber compressed air pressure, Small diaphragm-piece moves, leave exhaust pipe mouth, in atmospheric air chamber, pressurized air enters air by outlet pipe, because the flow of aperture gas of four on large diaphragm is far smaller than the flow with atmospheric air chamber outlet pipe, atmospheric air chamber pressure drop, be far smaller than gas bag pressure, under the promotion of gas bag pressure, large film moves, outlet pipe on lifting off a seat, pressurized air in gas bag is made to enter outlet pipe on valve seat, electromagnetic pulse low pressure diaphragm valve is made to be in opening state, when solenoid valve quits work, on plug in solenoid valve, Rubber end moves down under the promotion of solenoid valve internal pressure spring, make little air chamber vent closure, in gas bag, pressurized air passes through by sulculus internal on sealing surface of seat, hole on large diaphragm seal face, through hole on large valve gap wall, hole on Small diaphragm-piece sealing surface, with the gas circuit of sulculus composition internal on little valve bonnet seal face, enter little air chamber, little air chamber pressure is made to increase, Small diaphragm-piece is made to be pressed on large valve gap outlet pipe, the gas blocked in atmospheric air chamber is discharged by large valve gap outlet pipe, make atmospheric air chamber pressure increase, under the dual-pressure of atmospheric air chamber pressure and large diaphragm pressure spring, the outlet pipe of large pressing diaphragm on valve seat, block pressurized air in gas bag again and enter the outlet pipe on valve seat, electromagnetic pulse low pressure diaphragm valve is made to become closed condition, by electromagnetic valve current conducting and cut-off, electromagnetic pulse low pressure diaphragm valve is gone round and begun again to open and close entering valve seat outlet pipe pressurized air like this, reach pulsation sack cleaner high, low pressure injection deashing.
Electromagnetic pulse low pressure diaphragm valve of the present invention adopts aperture air feed on large diaphragm, reduce fourth for atmidometer and large diaphragm high-frequency vibration noise, adopt by gas bag the direct air feed of little air chamber, reduce for atmidometer, at gas bag pressure 0.2-0.3MPa, just can meet electromagnetic pulse low pressure diaphragm valve need of work, extend barrier film and the mating accessory life-span of electromagnetic pulse low pressure diaphragm valve, reduce operating cost, reduce cost of production, improve Utilization ratio.
Accompanying drawing illustrates:
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention,
Fig. 2 is the structural representation of electromagnetic pulse membrane valve,
In figure: 1. solenoid valve, 2. plug, 3. Rubber end, 4. bolt, 5. solenoid valve cover, 6 little valve gaps, 8. Small diaphragm-piece, 9. large valve gap, 10. large diaphragm, 11. large pressure springs, 12. valve seats, 13. gas bags.
Embodiment,
As shown in Figure 1, electromagnetic pulse low pressure diaphragm valve of the present invention mainly contains solenoid valve 1, little valve gap 6, Small diaphragm-piece 8, large valve gap 9, large diaphragm 10, large pressure spring 11, valve seat 12 form.The same with ordinary electromagnetic pulse membrane valve, by solenoid valve 1, solenoid valve cover 5, little valve gap 6, Small diaphragm-piece 8, large valve gap 9, large diaphragm 10, valve seat 12, gas bag 13 superposes bolt 4 from top to down successively and fixes, Small diaphragm-piece 8 is pressed on exhaust port that large valve gap 9 communicates with air, under the pressure of the large pressure spring 11 in large valve gap 9, large diaphragm 10 is pressed on the outlet pipe on valve seat 12, on solenoid valve 1 pressure spring of Rubber end 3 in solenoid valve 1 of plug 2 pressure under, be pressed on little valve gap 6 upper air-vent, electromagnetic pulse low pressure diaphragm valve is separated into two greatly by large diaphragm 8 and Small diaphragm-piece 10, little air chamber, the sealing surface of large diaphragm 10 and Small diaphragm-piece 8 has a hole, it is characterized in that the valve seat 12 corresponding with hole, the sealing surface of little valve gap 6 internally has groove, in large valve gap 9 wall, has through hole, the two in hole on large valve gap about 9 two sealing surfaces, and with large diaphragm 10, hole on the sealing surface of Small diaphragm-piece 8 communicates, garden, the outside Zhou Junbu aperture of outlet pipe on the large diaphragm 10 of valve seat 12.
According to Fig. 1, the pressurized air of gas bag 13 is by by the through hole on hole, greatly valve gap 9 wall on sulculus internal on valve seat 12 sealing surface, large diaphragm 10 sealing surface, hole on Small diaphragm-piece 8 sealing surface, with the gas circuit of sulculus composition internal on little valve gap 6 sealing surface, directly to little air chamber air feed.
As shown in Figure 1, gas bag 13 pressurized air passes through large diaphragm 10 aperture directly to atmospheric air chamber air feed.
Utilize large and small air chamber inner air pressure difference to control Small diaphragm-piece 8 as shown in Figure 1 to move.
Adopt such scheme, when solenoid valve 1 quits work, the pressurized air that gas bag is 13 li directly supplies atmospheric air chamber by aperture on large diaphragm 10, simultaneously via sulculus internal on valve seat 12 sealing surface, hole on large diaphragm 10 sealing surface, through hole on large valve gap 9 wall, hole on Small diaphragm-piece 8 sealing surface, little air chamber is directly supplied with the gas circuit of sulculus composition internal on little valve gap 6 sealing surface, because gas bag is with large, little air chamber air feed in parallel, greatly, little air chamber is equal with gas bag air pressure, large diaphragm 10 is under large pressure spring 11 and atmospheric air chamber pressurized air dual-pressure, block gas bag 13 li of pressurized air and enter outlet pipe on valve seat 12, on plug 2 in solenoid valve 1, Rubber end 3 is under the pressure of solenoid valve 1 internal pressure spring, be pressed on little valve gap 6 upper air-vent, the pressurized air blocked in little air chamber enters exhaust port, because Small diaphragm-piece 8 has exhaust port below, make on Small diaphragm-piece 8, produce pressure difference below, on the exhaust port that Small diaphragm-piece 8 is tightly pressed on large valve gap 9, the pressurized air blocked in atmospheric air chamber enters exhaust port, electromagnetic pulse low pressure diaphragm valve is made to be in closed condition, when solenoid valve 1 works, on plug 2 under the effect of electromagnetic force in solenoid valve 1, Rubber end 3 moves up, little air chamber pressurized air is made to enter exhaust port, due to by sulculus internal on valve seat 12 sealing surface, hole on large diaphragm 10 sealing surface, through hole on large valve gap 9 wall, hole on Small diaphragm-piece 8 sealing surface, stingy chamber gas outlet flow is far smaller than with the gas circuit flow of sulculus composition internal on little valve gap 6 sealing surface, little air chamber pressure declines, under the promotion of atmospheric air chamber pressure, Small diaphragm-piece 8 moves, leave outlet pipe on large valve gap 9, in atmospheric air chamber, pressurized air is by large valve gap 9 outlet pipe exhaust, because the flow of aperture gas of four on large diaphragm 10 is far smaller than the flow of large valve gap 9 outlet pipe, atmospheric air chamber pressure drop, be far smaller than gas bag pressure, under the promotion of gas bag 13 pressure, large diaphragm 10 moves, to lift off a seat the mouth of pipe of outlet pipe on 12, gas bag 13 li of pressurized air are made to enter outlet pipe on valve seat 12, electromagnetic pulse low pressure diaphragm valve is made to be in opening state, when solenoid valve 1 quits work, on plug 2 in solenoid valve 1, Rubber end 3 moves down under the promotion of solenoid valve 1 internal pressure spring, make little air chamber vent closure, gas bag 13 li of pressurized air pass through by sulculus internal on valve seat 12 sealing surface, hole on large diaphragm 10 sealing surface, through hole on large valve gap 9 wall, hole on Small diaphragm-piece 10 sealing surface, with the gas circuit of sulculus composition internal on little valve gap 6 sealing surface, enter little air chamber, little air chamber pressure rises, Small diaphragm-piece 10 is made to be pressed on large valve gap 9 outlet pipe, the gas blocked in atmospheric air chamber is discharged by large valve gap 9 outlet pipe, make atmospheric air chamber pressure increase, under the dual-pressure of atmospheric air chamber pressure and large pressure spring 11, large diaphragm 10 is pressed on the mouth of pipe of outlet pipe on valve seat 12, block gas bag 13 li of pressurized air again and enter outlet pipe on valve seat 12, electromagnetic pulse low pressure diaphragm valve is made to become closed condition, with cut-off, electromagnetic pulse low pressure diaphragm valve is gone round and begun again by solenoid valve 1 current lead-through to open and close the pressurized air entering valve seat 12 outlet pipe like this, reach pulsation sack cleaner high, low pressure injection deashing.
Electromagnetic pulse low pressure diaphragm valve of the present invention adopts aperture air feed on large diaphragm to reduce fourth for atmidometer and large diaphragm high-frequency vibration noise, adopt by gas bag the direct air feed of little air chamber, reduce for atmidometer, be 0.2-0.3MPa at gas bag pressure, just can meet electromagnetic pulse low pressure diaphragm valve need of work, the barrier film of electromagnetic pulse low pressure diaphragm valve and mating accessory be extended working life, reduces operating cost, reduce cost of production, improve Utilization ratio.
Claims (4)
1. an electromagnetic pulse low pressure diaphragm valve, mainly contain solenoid valve, little valve gap, Small diaphragm-piece, large valve gap, large diaphragm, valve seat forms, solenoid valve, little valve gap, Small diaphragm-piece, large valve gap, large diaphragm, valve seat superposes bolt from top to down successively and fixes, large pressure spring is by the outlet pipe of large pressing diaphragm on valve seat, Small diaphragm-piece to be pressed on large valve gap on outlet pipe, solenoid valve plug Rubber end to be pressed on little valve gap on outlet pipe, by sulculus internal on sealing surface of seat, hole on the sealing surface of large diaphragm, large valve gap wall inner via hole, hole on Small diaphragm-piece sealing surface, aperture on the gas circuit of internal on the sealing surface of little valve gap sulculus composition and large diaphragm is to little, little above large diaphragm, atmospheric air chamber air feed in parallel.
2. electromagnetic pulse low pressure diaphragm valve according to claim 1, is characterized in that large valve gap wall inner via hole two is on large valve gap upper-lower seal face.
3. electromagnetic pulse low pressure diaphragm valve according to claim 1.It is characterized in that on large diaphragm, aperture garden week is distributed on outside the outlet pipe on valve seat.
4. electromagnetic pulse low pressure diaphragm valve according to claim 1.It is characterized in that the Kong Yu great valve gap wall inner via hole on large and small diaphragm seal face communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340193.0A CN104344006A (en) | 2013-07-31 | 2013-07-31 | Electromagnetic pulse low-pressure diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340193.0A CN104344006A (en) | 2013-07-31 | 2013-07-31 | Electromagnetic pulse low-pressure diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104344006A true CN104344006A (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310340193.0A Pending CN104344006A (en) | 2013-07-31 | 2013-07-31 | Electromagnetic pulse low-pressure diaphragm valve |
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| CN (1) | CN104344006A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2407761A (en) * | 1946-09-17 | Valve | ||
| US2977966A (en) * | 1956-10-17 | 1961-04-04 | Baso Inc | Fluid pressure operated control devices |
| US6354562B1 (en) * | 1999-09-16 | 2002-03-12 | Smc Kabushiki Kaisha | Valve for dust collector |
| CN2550590Y (en) * | 2002-06-26 | 2003-05-14 | 力挥企业有限公司 | Diaphragm valve struture improvement |
| CN2695743Y (en) * | 2004-05-18 | 2005-04-27 | 刘伟东 | Electromagnetic pulse valve |
| CN201081027Y (en) * | 2007-09-13 | 2008-07-02 | 上海信孚环保技术工程有限公司 | Pulse valve |
| CN201651407U (en) * | 2009-12-24 | 2010-11-24 | 上海西尔除尘设备有限公司 | Fast-opening type submerged pulse valve |
| CN202691237U (en) * | 2012-07-11 | 2013-01-23 | 上海尚泰环保配件有限公司 | Double-channel electromagnetic pulse valve |
-
2013
- 2013-07-31 CN CN201310340193.0A patent/CN104344006A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2407761A (en) * | 1946-09-17 | Valve | ||
| US2977966A (en) * | 1956-10-17 | 1961-04-04 | Baso Inc | Fluid pressure operated control devices |
| US6354562B1 (en) * | 1999-09-16 | 2002-03-12 | Smc Kabushiki Kaisha | Valve for dust collector |
| CN2550590Y (en) * | 2002-06-26 | 2003-05-14 | 力挥企业有限公司 | Diaphragm valve struture improvement |
| CN2695743Y (en) * | 2004-05-18 | 2005-04-27 | 刘伟东 | Electromagnetic pulse valve |
| CN201081027Y (en) * | 2007-09-13 | 2008-07-02 | 上海信孚环保技术工程有限公司 | Pulse valve |
| CN201651407U (en) * | 2009-12-24 | 2010-11-24 | 上海西尔除尘设备有限公司 | Fast-opening type submerged pulse valve |
| CN202691237U (en) * | 2012-07-11 | 2013-01-23 | 上海尚泰环保配件有限公司 | Double-channel electromagnetic pulse valve |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150211 |
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| WD01 | Invention patent application deemed withdrawn after publication |