CN202812302U - Hydraulic membrane two-position three-way valve - Google Patents
Hydraulic membrane two-position three-way valve Download PDFInfo
- Publication number
- CN202812302U CN202812302U CN 201220496888 CN201220496888U CN202812302U CN 202812302 U CN202812302 U CN 202812302U CN 201220496888 CN201220496888 CN 201220496888 CN 201220496888 U CN201220496888 U CN 201220496888U CN 202812302 U CN202812302 U CN 202812302U
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- valve
- membrane
- valve body
- water outlet
- barrier film
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Abstract
The utility model relates to a hydraulic membrane two-position three-way valve which is characterized by comprising a valve body provided with an inner cavity, a valve cover and a membrane. The membrane is arranged on the valve body. The valve cover is provided with a control opening. The membrane is arranged between the valve body and the valve cover. A lower waterstop piece is connected with the lower end of the membrane through a connecting rod. A water inlet and a water outlet are respectively arranged at two ends of the valve body. A draining outlet is disposed on one side, opposite to the valve cover, of the valve body. A sealing tape is arranged between the water inlet and the water outlet. A sealing seam is arranged in the inner cavity of the valve body and located between the draining outlet and the water outlet. The hydraulic membrane two-position three-way valve is simple and compact in structure and low in manufacturing cost. A pressure source is adopted to control the membrane to open or close a flow channel. Moreover, through adoption of the lower waterstop piece structure which is in linkage with the membrane, the hydraulic membrane two-position three-way valve achieves rapid switching between a filter mode and a backwashing mode, is small in occupied space and control power, and reduces failure rate and usage cost. Moreover, the membrane is fast and accurate in opening and closing motion.
Description
Technical field
The utility model relates to a kind of valve, especially relates to a kind of barrier film two position three-way valve that surges.
Background technique
At present, that the valve of supporting water intake, water outlet and sewage draining exit control flow direction for water-treating equipment such as the husky filter of shallow-layer, lamination disc-type filters adopts usually is electronic, Pneumatic butterfly valve or ball valve, butterfly valve, ball valve comprise respectively the parts such as sealing gasket, directed seat, valve block, complex structure, manufacture cost is high, rate of fault is high, and the problem such as occur being not closed completely easily; Simultaneously, the power ratio control of electronic, Pneumatic butterfly valve or ball valve is large, and user cost is higher; The blanking time of control opening and closing is long, can't finish fast the opening and closing action, is difficult to accurately control water intake, water outlet and sewage draining exit opening and closing.In addition, for the husky filter of the shallow-layer with backwashing function, lamination disc-type filter, at least need to just can be finished by two valve combination the control of backwashing function, complex structure has increased manufacture cost and the maintenance cost of the water-treating equipment such as the husky filter of shallow-layer, lamination disc-type filter.
The model utility content
The applicant is studied improvement for above-mentioned problem, and a kind of barrier film two position three-way valve that surges is provided, and is simple and compact for structure, low cost of manufacture, and power ratio control is little, and opening and closing are moved quick and precisely, and reduce trouble reduces user cost.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of barrier film two position three-way valve that surges, comprise the valve body, valve gap and the barrier film that are provided with inner chamber, described valve gap is installed on the described valve body, and described valve gap is provided with the control mouth, described barrier film is installed between described valve body and the valve gap, and lower sealing piece is connected to the lower end of described barrier film by connecting rod; The two ends of described valve body are provided with water intake and water outlet, be provided with sewage draining exit with the valve body of described valve gap opposite side, be provided with sealing strip in the described body cavity between described water intake and the described water outlet, be provided with the sealing seam in the described body cavity between described sewage draining exit and the described water outlet;
When backwash mode, under the effect of the pressure source of described control mouthful, described barrier film is against on the described sealing strip, close being communicated with between described water intake and the described water outlet, simultaneously, described lower sealing piece breaks away from the sealing seam, opens being communicated with between described sewage draining exit and the described water outlet;
When filtered model, described control mouth is without pressure source, described barrier film breaks away from described sealing strip under the fluid pressure effect of described water intake, open being communicated with between described water intake and the described water outlet, simultaneously, described lower sealing piece is against on the described sealing seam, closes being communicated with between described sewage draining exit and the described water outlet.
Technique effect of the present utility model is:
The disclosed a kind of barrier film two position three-way valve that surges of the utility model, simple and compact for structure, low cost of manufacture is utilized pressure source control barrier film unlatching or is closed mobile circulation passage, and the lower sealing piece structure of employing and barrier film interlock, realize the quick switching of filtered model and backwash mode, the barrier film two position three-way valve that surges is the function of alternative two butterfly valves or ball valve, and it is less to take up room, and power ratio control is little, reduce trouble reduces user cost; In addition, the opening and closing of barrier film action quick and precisely.
Description of drawings
Fig. 1 is the barrier film two position three-way valve structural representation (filtered model) that surges.
Fig. 2 is the barrier film two position three-way valve structural representation (backwash mode) that surges.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in Figure 1, 2, the utility model comprises valve body 9, valve gap 3 and the barrier film 4 that is provided with inner chamber, valve gap 3 is installed on the valve body 9, valve gap 3 is provided with control mouth 2, barrier film 4 is installed between valve body 9 and the valve gap 3, form a diaphragm chamber 301 between barrier film 4 and valve gap 3, lower sealing piece 7 is connected to the lower end of barrier film 4 by connecting rod 6, the interlock of lower sealing piece 7 and barrier film 4.The two ends of valve body 9 are provided with water intake 1 and water outlet 5, be provided with sewage draining exit 8 with the valve body 9 of valve gap 3 opposite sides, be provided with sealing strip 10 in the inner chamber of the valve body 9 between water intake 1 and the water outlet 5, be provided with sealing seam 11 in the inner chamber of the valve body 9 between sewage draining exit 8 and the water outlet 5.When backwash mode, under the effect of the pressure source of controlling mouth 2, barrier film 4 is against on the sealing strip 10, close being communicated with between water intake 1 and the water outlet 5, simultaneously, lower sealing piece 7 is driven by barrier film 4 and breaks away from sealing seams 11, opens being communicated with between sewage draining exit 8 and the water outlet 5.When filtered model, control mouth 2 is without pressure source, and barrier film 4 breaks away from sealing strip 10 under the fluid pressure effect of water intake 1, open being communicated with between water intake 1 and the water outlet 5, simultaneously, lower sealing piece 7 is against on the sealing seam 11, closes being communicated with between sewage draining exit 8 and the water outlet 5.
In use, the barrier film two position three-way valve that surges both can normally be intake during filtered model as the two position three-way valve of the water intake of water treatment filtering equipment, effluent in the time of again can backwash mode.The control mouth 2 of barrier film two position three-way valve of surging connects miniature electromagnetic valves, miniature electromagnetic valve is connection control system respectively, (pressure source can be pressured fluid in while miniature electromagnetic valve Bonding pressure source, also can be pressed gas), the control of barrier film two position three-way valve by control system of surging can be worked under filtered model, two kinds of patterns of backwash mode.When filtered model, the liquid that passes through valve body by water intake 1 lifts barrier film 4, makes flow direction water outlet 5, barrier film 4 drivening rods 6 lift, and lower sealing piece 7 is pushed against on the sealing seam 11, thereby closes sewage draining exit 8, this moment, water treatment filtering equipment normally moved, and carried out filter operation.When backwash mode, pressure liquid source or adjustable pressurized air (0.2-0.6mpa) enter diaphragm chamber 301 by control mouth 2, barrier film 4 is depressed on the sealing strip 10 of valve body, thereby close liquid communication passage between water intake 1 and the water outlet 5, barrier film 4 drivening rod 6 when pressing down descends simultaneously, opens lower sealing piece 7, water outlet 5 is communicated with sewage draining exit 8, after the interior dirt of filter plant has been rushed by former water, can discharge from sewage draining exit 8 swimmingly, reach the effect of backwash.After sewage draining exit 8 blowdowns finish, open with control mouthful 2 miniature electromagnetic valves that are connected, pressured fluid or gas in the diaphragm chamber 301 are discharged, made to lift on barrier film 4 and the drivening rod 6 through the liquid of valve body by water intake 1 and carry sealing piece 7 off, close sewage draining exit 8, water intake 1 is communicated with water outlet 5, be returned to normal filtered model.
Compare with existing electronic, Pneumatic butterfly valve or ball valve, the barrier film two position three-way valve that surges does not have valve rod, sealing gasket, directed seat, valve block component, unique parts are exactly that barrier film reaches the with it lower sealing piece of interlock in the flow channel, surging, it is better to open and close the barrier film pliability, rate of fault is relatively less, good operating stability.Originally surging the barrier film two position three-way valve can be supporting for the husky filter of shallow-layer, on the lamination disc-type filter, many the power that use in parallel only have tens watts, barrier film two position three-way valve that surges alternative two electronic, the task performance of Pneumatic butterfly valve or ball valve, no matter in outward appearance, all be better than on using effect and the installation cost and use butterfly valve or ball valve, and the opening and closing action quick and precisely, be generally just can the finish the work second switching of mode of 2-5, solve such as butterfly valve, ball valve is longer because of the opening and closing time, poorly sealed real problem when closing, in addition, because the maintaining part is few, unique easily damaged parts is exactly barrier film and lower sealing piece, for the user, it is minimum to use overall cost to have dropped to, and has made the life-span can be more than 5 years.
Claims (1)
1. barrier film two position three-way valve that surges, it is characterized in that: comprise the valve body, valve gap and the barrier film that are provided with inner chamber, described valve gap is installed on the described valve body, described valve gap is provided with the control mouth, described barrier film is installed between described valve body and the valve gap, and lower sealing piece is connected to the lower end of described barrier film by connecting rod; The two ends of described valve body are provided with water intake and water outlet, be provided with sewage draining exit with the valve body of described valve gap opposite side, be provided with sealing strip in the described body cavity between described water intake and the described water outlet, be provided with the sealing seam in the described body cavity between described sewage draining exit and the described water outlet;
When backwash mode, under the effect of the pressure source of described control mouthful, described barrier film is against on the described sealing strip, close being communicated with between described water intake and the described water outlet, simultaneously, described lower sealing piece breaks away from the sealing seam, opens being communicated with between described sewage draining exit and the described water outlet;
When filtered model, described control mouth is without pressure source, described barrier film breaks away from described sealing strip under the fluid pressure effect of described water intake, open being communicated with between described water intake and the described water outlet, simultaneously, described lower sealing piece is against on the described sealing seam, closes being communicated with between described sewage draining exit and the described water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496888 CN202812302U (en) | 2012-09-27 | 2012-09-27 | Hydraulic membrane two-position three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496888 CN202812302U (en) | 2012-09-27 | 2012-09-27 | Hydraulic membrane two-position three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812302U true CN202812302U (en) | 2013-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220496888 Expired - Fee Related CN202812302U (en) | 2012-09-27 | 2012-09-27 | Hydraulic membrane two-position three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812302U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107504221A (en) * | 2017-10-18 | 2017-12-22 | 合肥市恒昌自动化控制有限责任公司 | A kind of corrosion-resistant three-way control valve of diaphragm type |
| CN113230739A (en) * | 2021-05-17 | 2021-08-10 | 广东韶钢松山股份有限公司 | Side filtering system for reducing clamping stagnation of three-way valve |
| US11112380B2 (en) * | 2015-09-28 | 2021-09-07 | Endress+Hauser Conducta Gmbh+Co. Kg | Sensor arrangement |
-
2012
- 2012-09-27 CN CN 201220496888 patent/CN202812302U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11112380B2 (en) * | 2015-09-28 | 2021-09-07 | Endress+Hauser Conducta Gmbh+Co. Kg | Sensor arrangement |
| CN107504221A (en) * | 2017-10-18 | 2017-12-22 | 合肥市恒昌自动化控制有限责任公司 | A kind of corrosion-resistant three-way control valve of diaphragm type |
| CN113230739A (en) * | 2021-05-17 | 2021-08-10 | 广东韶钢松山股份有限公司 | Side filtering system for reducing clamping stagnation of three-way valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20140927 |
|
| EXPY | Termination of patent right or utility model |