CN2069509U - Differential pressure self-sealing type water-saving valve - Google Patents
Differential pressure self-sealing type water-saving valve Download PDFInfo
- Publication number
- CN2069509U CN2069509U CN 90213474 CN90213474U CN2069509U CN 2069509 U CN2069509 U CN 2069509U CN 90213474 CN90213474 CN 90213474 CN 90213474 U CN90213474 U CN 90213474U CN 2069509 U CN2069509 U CN 2069509U
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- China
- Prior art keywords
- valve
- utility
- model
- differential pressure
- valve road
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a water-saving valve of differential pressure self-sealing type. The utility model relates to the valve class, in particular to an auto-close valve for water cutting. The utility model is characterized in that a floating valve core in the turned conical shape is arranged in a valve path D which is communicated with a loop. Because of the theory that the pressure of fluid which is stressed on the ends of the valve cores is the same and the differential pressure is existent, the valve core can automatically seal the water outlet. The utility model has the advantages of simple structure, good manufacturability for processing and producing, low cost, and cheap price. In particular, the utility model is suitable for family using.
Description
The utility model relates to valve class, particularly self-closing valve under water-supply off.
At present, various types of water-saving valves are more, though can realize water-stopping self-closing, because complex structure, the life-span is low, and reasons such as poor reliability far can not satisfy people's needs.
The purpose of this utility model is exactly at above-mentioned deficiency, utilizes the pressure reduction principle, and a kind of pressure reduction self sealing water-saving valve is provided, to realize water-stopping self-closing.
The utility model comprises valve body 1, spool 2, push rod 4 etc., it is characterized in that valve road A one end has a valve road B connecting valve road C, and the other end has a valve road D connecting valve road C, forms the loop, and valve road D is the reverse frustoconic hole; In the D of valve road, there is a proportion to approach the reverse frustoconic floating plug 2 of specific gravity.
Work of the present utility model is achieved in that after pipeline is cut off the water supply (and water nozzle unlatching), water in the valve all flows out, spool 2 deadweights fall into valve road D and shut water outlet, after resuming water supply, current are arrived two end faces of spool 2 simultaneously by valve road A, valve road B, according to pascal's principle: to the added pressure of the fluid in the seal container, can not reduce be delivered to fluid everywhere with the wall of close device, equate that so be applied to the pressure P of spool 2 both ends of the surface this moment spool 2 downward power are that pressure produces downward power PS
1(S
1Be the upper-end surface area), the power that spool 2 makes progress is that pressure produces power PS upwards
2(S
2Be the lower end surface area), ignore the gravity and the surface friction drag of spool 2, because the upper-end surface area is greater than lower end surface area S
1＞S
2So,, PS
1＞PS
2, spool 2 has the trend of downward motion under the effect of pressure reduction, close water outlet, the self-styled principle of pressure reduction that Here it is.
Want to change this state, then will apply external force upwards spool 2.Upwards press push rod 4, make spool 2 upper ends surpass valve road B water outlet, can overcome pressure reduction jack-up spool 2, make it be the trend of moving upward, it is upper by hydraulic pressure spool 2 to be put, and guarantees that outlet is unimpeded.
The utility model is owing to adopt the self-styled form of pressure reduction, and simple in structure, process for machining and manufacturing is good, and cost is low, and low price is practical, is specially adapted to family and uses.
The utility model accompanying drawing is a structural representation.
Valve body 1, spool 2, valve gap 3,7, push rod 4, sealing 5,6, valve road A, B, C, D, E.
Embodiment:
Can make different size according to the supply channel needs, combined integrated with water nozzle, elbow or threeway.The valve body material can adopt metal or plastics, and that spool can be is wooden, rubber, plastics or its proportion approach specific gravity, valve road A diameter phi 8mm; Valve road B diameter phi 6mm; Valve road C diameter phi 10mm, valve road D upper end diameter φ 10mm, lower end diameter φ 5mm, 12 ° of taperings.
Claims (1)
1, pressure reduction self sealing water-saving valve comprises valve body 1, spool 2, push rod 4 etc., it is characterized in that valve road A one end has a valve road B connecting valve road C, and the other end has a valve road D connecting valve road C, forms the loop, and valve road D is the reverse frustoconic hole; In the D of valve road, there is a proportion to approach the reverse frustoconic floating plug 2 of specific gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90213474 CN2069509U (en) | 1990-06-20 | 1990-06-20 | Differential pressure self-sealing type water-saving valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90213474 CN2069509U (en) | 1990-06-20 | 1990-06-20 | Differential pressure self-sealing type water-saving valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2069509U true CN2069509U (en) | 1991-01-16 |
Family
ID=4892940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90213474 Withdrawn CN2069509U (en) | 1990-06-20 | 1990-06-20 | Differential pressure self-sealing type water-saving valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2069509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062221A (en) * | 2009-11-17 | 2011-05-18 | 耿达立 | Water-saving valve for automatically adjusting flow |
-
1990
- 1990-06-20 CN CN 90213474 patent/CN2069509U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062221A (en) * | 2009-11-17 | 2011-05-18 | 耿达立 | Water-saving valve for automatically adjusting flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |