CN2205457Y - Anti-freezing one-way valve for water well - Google Patents
Anti-freezing one-way valve for water well Download PDFInfo
- Publication number
- CN2205457Y CN2205457Y CN 94207400 CN94207400U CN2205457Y CN 2205457 Y CN2205457 Y CN 2205457Y CN 94207400 CN94207400 CN 94207400 CN 94207400 U CN94207400 U CN 94207400U CN 2205457 Y CN2205457 Y CN 2205457Y
- Authority
- CN
- China
- Prior art keywords
- way valve
- screw rod
- valve
- zipper
- water
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a one-way valve used for the quick water leakage of general man-power water pressing wells. The one-way valve is composed of a bull plug with a screw rod, a step formed by that one end of a reticular thin tube swallows a bull plug with a screw rod, and a rubber sheet, a top cover, the pad of the joint of a zipper which are pressed tightly and penetrated on the screw rod, wherein, the screw rod is thinner than an overlap section; on the edge of the screw rod is provided with a hole added with a pin for preventing a screw nut falling; the other end of the zipper is connected with the bottom end of a pumping valve; when the pressure rod arranged on one end of the pumping valve is positioned on a high position, the pumping valve rises; the zipper pulls up the pumping valve to leak water for achieving the purpose of frost protection.
Description
The present invention relates to a kind of improved water one-way valve down.Particularly a kind of can leaking rapidly avoids freezing the one-way valve of well.Being fit to low temp area manpower pumped well commonly used uses.
Existing water one-way valve down is to be welded with greater than dome, the reinforcing bar of well casing outer diameter with reinforcing bar one end to put on rubber near dome.Reinforcing bar inserts well casing.The pressure of water makes rubber be attached to the well casing edge and seals.Reinforcing bar and the sealing of rubber contacting point are very poor.Positive civil time leaks too fast.And rely on its ne-leakage and freeze well sometimes.Serious well casing bursting by freezing.The way of unique solution is slowly to hook down water valve to leak.Some well then need unload the valve that draws water can be hooked to down water valve.
Task of the present invention is that a kind of improved water one-way valve down will be provided, and can leak rapidly in order to avoid freeze well.
The present invention is that following mode is finished: tubule has replaced reinforcing bar.Tubule is drilled with some apertures, and to be net strong.It is extremely stifled that one end gulps down a band screw mandrel.Screw mandrel is narrower than swallows lap in the pipe, and it is used to block round rubber, dome, chain joint pad and is tightly pushed down by nut.Slide fastener end in addition draws water the valve bottom in succession with former well.Slide fastener is in flexible strong attitude during positive water at atmospheric pressure.The valve end pressure bar that will draw water in succession in the time of need leaking places eminence when water outlet (normal press not quoad hoc).This valve of valve rising slide fastener pull-up that draws water leaks and reaches antifreeze purpose.
The present invention valve bottom of this valve slide fastener and Yuan Jing need only being drawn water easy to use gets final product in succession.No specific (special) requirements, there is not any overslaugh.Cost is very little during the example structure that will describe in detail below adopting.Rubber separates with well casing and can not freeze together and need not scald well with hot water.Because the screw thread pressure seal is very good.
Below with reference to accompanying drawing invention is further described.
Fig. 1 is the stereogram of a kind of concrete structure of the present invention.
Fig. 2 is a principle sectional drawing of the present invention.
With reference to Fig. 1, long 300 millimeters, 15 millimeters of outer diameters (being narrower than 27 millimeters of the thinnest well casings), the tubule that inner diameter is 12 millimeters (8), tube wall are drilled with some apertures to be net strong, keep the normal flow water yield.One end gulps down the dead stifled of a band screw mandrel (6), and overlapping adds the pin riveting and lives not have and exceed tube wall in order to avoid take well casing periphery (not having demonstration owing to swallow pipe internal surface).Long 15 millimeters of screw mandrel (6), 8 millimeters of diameters.Be used to add the anti-nut (4) of pin (5) comes off along first 2.2 millimeters holes.Screw mandrel (6) be narrower than lap (tubule (8) just) its in order to pressing the round rubber (1) sternly be through on the screw mandrel (6).Dome (2) is 8.5 millimeters with chain joint pad (3) intermediate hole diameter and is through equally on the screw mandrel (6).Chain link is end (7) former in succession well valve bottom of drawing water in addition.Circle rubber (1) stays greater than 68 millimeters bars of dome diameter strong with the every end of central vertical, so that to being to make it be adjacent to top cover and separate rapider; Dome (2) diameter is advisable for 68 millimeters, less than 78 millimeters of the thinnest well head internal diameters.Greater than 43 millimeters of the thickest well casing outer diameters.
The concrete practice is: rubber (1) top cover (2) chain joint pad (3) is through screw mandrel (6) near the tubule (8) that is coarser than screw mandrel, and the mother that tightens the screw (4) adds the anti-nut (4) of pin (5) and comes off.To being the strong rubber of bar.After slide fastener (7) and former well are drawn water the valve bottom in succession.
Tubule is held the insertion well casing in addition.When the valve end pressure bar that draws water placed eminence, this valve of valve rising slide fastener (7) pull-up drew water.Rubber (1) leaks rapidly with the well casing edge separation and reaches antifreeze purpose.
Claims (4)
1, is used for the antifreeze one-way valve of manpower pumped well, this valve is the strong tubule (8) of net and the screw mandrel (6) that is narrower than tubule (8) and gulps down that to connect riveting be one by being drilled with some apertures, form a step, and the one-way valve of rubber (1) dome (2) zipper joint pad (3) nut (4) composition, it is characterized in that zipper joint pad (3) links to each other with slide fastener (7), screw mandrel (6) one ends are drilled with a hole and add pin (5).
2, the one-way valve feature according to claim 1 regulation is that slide fastener (7) passes through zipper joint pad (3) screw mandrel (6) in succession.
3, the one-way valve according to claim 1,2 regulations is characterized in that nut (4) is compacted to rubber (1), dome (2), chain joint pad (3) on the step of tubule (8).
4, the one-way valve according to claim 1,3 regulations is characterized in that tubule (8) is drilled with some apertures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94207400 CN2205457Y (en) | 1994-03-15 | 1994-03-15 | Anti-freezing one-way valve for water well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94207400 CN2205457Y (en) | 1994-03-15 | 1994-03-15 | Anti-freezing one-way valve for water well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2205457Y true CN2205457Y (en) | 1995-08-16 |
Family
ID=33825742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94207400 Expired - Fee Related CN2205457Y (en) | 1994-03-15 | 1994-03-15 | Anti-freezing one-way valve for water well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2205457Y (en) |
-
1994
- 1994-03-15 CN CN 94207400 patent/CN2205457Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |