CN201836466U - Water backflow preventing device of water pipe - Google Patents
Water backflow preventing device of water pipe Download PDFInfo
- Publication number
- CN201836466U CN201836466U CN2010202141162U CN201020214116U CN201836466U CN 201836466 U CN201836466 U CN 201836466U CN 2010202141162 U CN2010202141162 U CN 2010202141162U CN 201020214116 U CN201020214116 U CN 201020214116U CN 201836466 U CN201836466 U CN 201836466U
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- CN
- China
- Prior art keywords
- water
- outer cylinder
- inner cylinder
- submersible pump
- mouth outer
- 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 belongs to the technical field of valves, in particular to a water backflow preventing device of a water pipe. The device comprises an outer cylinder system and an open inner cylinder system,, wherein the outer cylinder system is provided with nozzles, and comprises an outer cylinder, a water inlet nozzle, a water outlet nozzle, a circular pressure plate, a fixing screw, a water release tap, a piston handle, a draught spring and a pull rope; the outer cylinder is provided with nozzles; and the open inner cylinder system comprises an open inner cylinder, side-wall small holes, bottom-side small holes and a circular rubber pad. The principle of the device is that is if a circuit switch is turned off to stop water pumping and when a small submersible pump stops rotating, water flowing upwards can immediately flow back downwards and compresses the open inner cylinder to descend; and after the bottom of the open inner cylinder is contacted with the bottom of the outer cylinder provided with nozzles, the circular rubber pad at the bottom of the open inner cylinder covers an inner hole of the water inlet nozzle in the center at the bottom of the outer cylinder provided with nozzles, so as to enable water flowing back in a long water pumping pipe to stop and keep fixed in the pipe. The device has the beneficial effects that the device can be mounted between the small submersible pump and the water pumping pipe to prevent the water in the water pipe from flowing back into the small submersible pump and enabling the small submersible pump to rotate reversely when the electricity is cut off, thereby achieving the aim of saving electricity and prolonging the service life of the submersible pump.
Description
Technical field
The utility model belongs to valve technology field, is specifically related to a kind of water that is installed between small-sized submersible pump and the drinking-water pipe in the anti-water stopping tube damnous water pipe sealing reflux that refluxes.
Background technique
Little submersible pump commonly used, manufacturer does not generally match and produces the device that water refluxes in the anti-water stopping tube.People are in using the process of submersible pump, and when closing the submersible pump circuit switch, submersible pump is started working, and the mouth of pipe overflowed on the current that sucked by submersible pump slowly rose to via water pipe connecting it on.Just circuit disconnect switch during water not, the water in the water pipe refluxes rapidly, causes submersible pump to reverse rapidly, and submersible pump often reverse can its impeller of heavy wear.The water number of times is frequent if water is few, will certainly waste electric energy, loses time and reduce submersible pump working life, causes unnecessary loss.The utility model water pipe sealing reflux has the function that water refluxes in the anti-water stopping tube, if it is installed between the water outlet and long drinking-water pipe of little submersible pump upper end, when outage, when stopping pumping, water in the water pipe can not reflux, the problem in electric, the time-consuming and reduction submersible pump of the expense that can solve working life.
Summary of the invention
The purpose of this utility model is: make the water directional flow in the drinking-water pipe, prevent to cause because of water refluxes that the little submersible pump that is installed in the drinking-water pipe lower end is time-consuming, expense electricity and reducing working life.Its technological scheme realizes as follows:
The water pipe sealing reflux that the utility model provides is made up of tool mouth outer cylinder system and uncovered inner cylinder system.Be specially:
(1) tool mouth outer cylinder system: constitute by tool mouth outer cylinder (1), water inlet tap (2), water outlet (3), round clamp (4), set screw (5), discharge cock (6), piston handle (7), draught spring (8), stay cord (9); It is characterized in that: water inlet tap (2) is established at tool mouth outer cylinder (1) center of going to the bottom; Round clamp (4) in pressing above the convex edge loam cake of tool mouth outer cylinder (1) of circular hole was established at the center, add rubber washer between convex edge loam cake and the round clamp (4) and with set screw (5) in its edge fixing seal seam, round clamp (4) center sets out water nozzle (3); Discharge cock (6) is established in tool mouth outer cylinder (1) barrel bottom, and draught spring (8) one ends after the stretching hang in the small circle ring of discharge cock (6) end, and the other end hangs in the aperture of piston handle (7) one ends, makes discharge cock (6) be in closed condition; Fastened stay cord (9) in piston handle (7) the other end aperture; The internal diameter of water inlet tap (2) and water outlet (3) equals the little submersible pump water outlet internal diameter supporting with it, and tool mouth outer cylinder (1) internal diameter is about water inlet tap (2) and water outlet (3) internal diameter 5～6 times.
(2) uncovered inner cylinder system: constitute by uncovered inner cylinder (10), sidewall aperture (11), base aperture (12), circle rubber seal (13); It is characterized in that: for reducing the frictional force between uncovered inner cylinder (10) outer wall and tool mouth outer cylinder (1) inwall, it is thin that uncovered inner cylinder (10) is designed to barrel two pluckings centres, and equally spaced 6～8 sidewall apertures (11) are arranged at the bottom in the middle of it; Need not to be coated with oiling agent between the equal water abrim of uncovered inner cylinder (10) inside and outside wall when drawing water, it and tool mouth outer cylinder (1); Uncovered inner cylinder (10) is gone to the bottom, and intermediate adhesion circle rubber seal (13), equidistant 6～8 base apertures (12) are established at the edge.
The utility model water pipe sealing reflux is made of highstrenghtpiston or cast steel.
The beneficial effect of the utility model water pipe sealing reflux is: when the each outage of the little submersible pump that frequently draws water stops to go up water, make not backflow functionality of water that the water pipe interior orientation flows because of it has, but power saving, save time and prolong working life of submersible pump.
Description of drawings
Accompanying drawing is the utility model water pipe sealing reflux structural representation.
Each one is among the figure: tool mouth outer cylinder 1, water inlet tap 2, water outlet 3, round clamp 4, set screw 5, discharge cock 6, piston handle 7, draught spring 8, stay cord 9, uncovered inner cylinder 10, sidewall aperture 11, base aperture 12, circle rubber seal 13.
Embodiment
Embodiment 1
Assembling is also installed the utility model: the water inlet tap (2) that the by specification accompanying drawing is gone to the bottom tool mouth outer cylinder (1) is connected with short drinking-water pipe with the water outlet of little submersible pump, reconnect long drinking-water pipe for the water outlet (3) of tool mouth outer cylinder (1) upper end, tie down little submersible pump and be hung in the water source that is extracted with an end of rope; To fasten the stay cord (9) in piston handle (7) one end apertures, and pass discharge cock (6) end small circle ring and upwards mention to the drinking-water pipe water outlet place bolt on the utility model top and hang.Connect little submersible pump circuit and close a switch, water can be extracted out from long drinking-water pipe upper end oral area; Because of discharge cock (6) is in closed state, the water in the water pipe does not reflux in the time of behind the cut-off switch.After if tension stay cord (9) makes discharge cock (6) be in opening state, the water surface in the long drinking-water pipe can slowly descend; The water surface that loosens in stay cord (9) the duration drinking-water pipe stops again descending immediately, proves that then the utility model assembles successfully.At this moment, install.
The utility model is implemented principle and process: when the circuit switch that closes is connected power supply, the impeller of little submersible pump begins rotation, water is inhaled into behind the little submersible pump from its upper end water outlet to be gushed out and enters the uncovered inner cylinder of tool mouth outer cylinder (1) jack-up (10) through the water inlet tap (2) that the utility model is gone to the bottom, and just enters in the uncovered inner cylinder (10) from 6～8 base apertures (12); Along with the rising of water level, there is small part water to extrude 6～8 sidewall apertures (11) of uncovered inner cylinder (10) bottom again, all be full of water inside and outside making uncovered inner cylinder (10); Then, the pipe water receiving container that enters suitable for reading again rises, gushes out after the water that constantly rises enters long drinking-water pipe by water outlet (3) again.If stop pumping, circuit disconnect switch, little submersible pump stops operating, upwards the water that flows refluxes when stopping to flow immediately, oppressing uncovered inner cylinder (10) descends, after treating its bottom and tool mouth outer cylinder (1) bottom contacting, the round rubber seal (13) under the uncovered inner cylinder (10) covers water inlet tap (2) endoporus of tool mouth outer cylinder (1) bottom centre, makes the water that refluxes in the long drinking-water pipe rest in the pipe motionless.If little submersible pump will be put on ground maintenance, tension stay cord (9) allows piston handle (7) rotate earlier, makes discharge cock (6) be in opening state, and the water in the long drinking-water pipe is just slowly drained by discharge cock (6) mouth; Because of the water in the long drinking-water pipe can't be back in the little submersible pump, so it can backward rotation; After treating that the interior water of long drinking-water pipe drains, slowly little submersible pump is risen to ground again.
Claims (2)
1. the utility model water pipe sealing reflux is made up of tool mouth outer cylinder system and uncovered inner cylinder system; Wherein:
Tool mouth outer cylinder system is made of tool mouth outer cylinder (1), water inlet tap (2), water outlet (3), round clamp (4), set screw (5), discharge cock (6), piston handle (7), draught spring (8), stay cord (9); It is characterized in that: water inlet tap (2) is established at tool mouth outer cylinder (1) center of going to the bottom; Round clamp (4) in pressing above the convex edge loam cake of tool mouth outer cylinder (1) of circular hole was established at the center, add rubber washer between convex edge loam cake and the round clamp (4) and with set screw (5) in its edge fixing seal seam, round clamp (4) center sets out water nozzle (3); Discharge cock (6) is established in tool mouth outer cylinder (1) barrel bottom, and draught spring (8) one ends after the stretching hang in the small circle ring of discharge cock (6) end, and the other end hangs in the aperture of piston handle (7) one ends, makes discharge cock (6) be in closed condition; Fastened stay cord (9) in piston handle (7) the other end aperture; The internal diameter of water inlet tap (2) and water outlet (3) equals the little submersible pump water outlet internal diameter supporting with it, and tool mouth outer cylinder (1) internal diameter is water inlet tap (2) and water outlet (3) internal diameter 5～6 times;
Uncovered inner cylinder system is made of uncovered inner cylinder (10), sidewall aperture (11), base aperture (12), circle rubber seal (13); It is characterized in that: the barrel two pluckings centres of uncovered inner cylinder (10) are thin, and equally spaced 6～8 sidewall apertures (11) are arranged at the bottom in the middle of it; Uncovered inner cylinder (10) is gone to the bottom, and intermediate adhesion circle rubber seal (13), equidistant 6～8 base apertures (12) are established at the edge.
2. water pipe sealing reflux according to claim 1 is characterized in that: adopt highstrenghtpiston or cast steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202141162U CN201836466U (en) | 2010-05-29 | 2010-05-29 | Water backflow preventing device of water pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202141162U CN201836466U (en) | 2010-05-29 | 2010-05-29 | Water backflow preventing device of water pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201836466U true CN201836466U (en) | 2011-05-18 |
Family
ID=44006570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202141162U Expired - Fee Related CN201836466U (en) | 2010-05-29 | 2010-05-29 | Water backflow preventing device of water pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201836466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043698A (en) * | 2019-04-13 | 2019-07-23 | 余红超 | A kind of liquid conveying special service valve |
-
2010
- 2010-05-29 CN CN2010202141162U patent/CN201836466U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043698A (en) * | 2019-04-13 | 2019-07-23 | 余红超 | A kind of liquid conveying special service valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20120529 |