CN2766073Y - Automatic opening and closing flushing valve for pump - Google Patents
Automatic opening and closing flushing valve for pump Download PDFInfo
- Publication number
- CN2766073Y CN2766073Y CN 200420109706 CN200420109706U CN2766073Y CN 2766073 Y CN2766073 Y CN 2766073Y CN 200420109706 CN200420109706 CN 200420109706 CN 200420109706 U CN200420109706 U CN 200420109706U CN 2766073 Y CN2766073 Y CN 2766073Y
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- China
- Prior art keywords
- valve
- water
- piston
- piston cylinder
- cylinder
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to an automatic opening and closing flushing valve for pumps, which is arranged on dredge pumps. The utility model comprises a valve body, a valve piston and a valve flow channel, wherein a valve inlet is communicated with a pump water outlet and then communicated with the valve flow channel. The valve piston comprises a water piston and an oil piston, the lower cavity of a water piston cylinder is communicated with an outlet cavity through a channel, and the upper cavity of the water piston cylinder is communicated with a channel hole of a horn-shaped valve ball and a valve chamber. A ball bearing is arranged on the water piston, the valve ball is held on the ball bearing and an oil piston cylinder is connected with lower part of the water piston cylinder. A cylinder cover is separately arranged between the water piston cylinder and the oil piston cylinder, and the oil piston is connected with the water piston through a shaft passing through the cylinder cover. The cylinder wall of the oil piston cylinder is provided with a communicating hole of a second cavity, a spring is arranged on the shaft positioned on the upper cavity of the oil piston cylinder and the second cavity of the oil piston cylinder is full of oil. When the machine is started to pump water, the valve is opened, the pumped high-pressure water can spray water flow through the valve. A water inlet pool or a well is flushed and stirred before the water is pumped, and sediments are suspended because the function that the valve can spray the water flow. After a certain time, the valve is closed automatically and the sewerage is discharged by the dredge pump.
Description
Technical field
The utility model relates to valve, particularly a kind of automatic opening-closing flushing valve that is installed on the pump.
Background technique
To the stirring of pollution discharge pump water inlet pool or the anti-precipitation alluvial of inlet well, generally adopt independently stirrer at present, perhaps use pollution discharge pump with the function of stirring evenly.The former needs an independent equipment, and the size of water inlet pool or inlet well is unsuitable less; The latter can only do disturbance among a small circle to pond or well behind pump operation, its effect is less, when no longer needing to stir, still constantly to water inlet pool water spray or stirring, has wasted the energy and the power of pump thus.
Summary of the invention
Task of the present utility model provides the automatic opening-closing flushing valve of a kind of pump, and it has solved the valve that has in the prior art need acquire stirrer, acts on less and the energy of waste pump and the problem of power though the valve tool that has stirs evenly function.
The technical solution of the utility model is as follows:
The automatic opening-closing flushing valve of a kind of pump, it comprises valve body, valve piston and valve runner, described flushing valve is installed on the pollution discharge pump pump case, the flushing valve import with pump the mouth of a river and be communicated with, the flushing valve runner is linked to be successively by snout cavity, contraction section, valve pocket, valve seat, water outlet Taper Pipe;
Described valve piston comprises water piston and oily piston, water piston is positioned at the water piston cylinder, constitute water piston cylinder epicoele and water piston cylinder cavity of resorption thus, water piston cylinder cavity of resorption is by the channel connection snout cavity, and water piston cylinder epicoele is communicated with the valve ball port hole and the valve pocket of flare shape, is mounted with ball-joint on water piston, bearing valve ball on ball-joint, the oil piston is positioned at oily piston cylinder, and oily piston cylinder is connected with the bottom of water piston cylinder, separates between water piston cylinder and the oily piston cylinder cylinder cap is housed;
Described oily piston is connected with water piston by an axle that passes through cylinder cap, the oil piston is separated into oily piston cylinder epicoele and oily piston cylinder cavity of resorption in oily piston cylinder, on the casing wall of oily piston cylinder, be provided with the intercommunicating pore in two chambeies, be positioned at oily piston cylinder epicoele the axle on spring is housed, oily piston cylinder is full of oil in two chambeies.
Automatic opening-closing flushing valve of the present utility model is installed on the general pollution discharge pump, and water outlet left by valve when pump had just been started shooting, and the water inlet pool or the inlet well of pump is recoiled, then time-delay closing.
General pollution discharge pump is when start pump water, valve is opened, the high pressure water of pump is by the valve high-speed water jets, preceding water inlet pool, well are dashed of pump water stirred, sludge suspends because of the effect of valve injection water in water inlet pool, the well, valve cuts out automatically behind certain hour, and pollution discharge pump pumps sewage, and after this valve cuts out until termination of pumping always.Next round switches on the pump again after termination of pumping, can automatically realize said process again.
Description of drawings
Accompanying drawing is the structural representation of a kind of pump of the present utility model with the automatic opening-closing flushing valve.
Embodiment
Referring to accompanying drawing, a kind of pump of the present utility model is equipped with valve body 1 with the automatic opening-closing flushing valve, is provided with valve piston and valve runner in valve body 1.Whole flushing valve is installed on the pollution discharge pump pump case, promptly be connected with pollution discharge pump with screw, flushing valve import 2 with pump the mouth of a river and be communicated with.Valve runner in the valve body 1 is linked to be successively by snout cavity 3, contraction section 4, valve pocket 5, valve seat 6, water outlet Taper Pipe 7.Can 360 ° of rotations after the end of water outlet Taper Pipe 7 is equipped with bend pipe 8, is loaded onto.
Valve piston comprises water piston 9 and oily piston 10.Water piston 9 is positioned at water piston cylinder 11, constitutes water piston cylinder epicoele 12 and water piston cylinder cavity of resorption 13 thus, and water piston cylinder cavity of resorption 13 is communicated with snout cavity 3 by passage 14.Snout cavity 3 areas are bigger.Water piston cylinder epicoele 12 is communicated with valve ball port hole 15 and valve pocket 5, valve ball port hole 15 flare shapes.Valve pocket 5 is positioned at the upside of water piston cylinder epicoele 12, and valve pocket 5 areas are less, and valve pocket 5 is communicated with water piston epicoele 12.On water piston 9, settle ball-joint 16, bearing valve ball 17 on ball-joint 16.
The bottom of water piston cylinder 11 connects oily piston cylinder 18, and oily piston 10 is positioned at oily piston cylinder 18.Separate between water piston cylinder 11 and the oily piston cylinder 18 cylinder cap 19 is installed.Oil piston 10 is connected with water piston 9 by an axle 20 that passes through cylinder cap 19, spools 20 and cylinder cap 19 between be equipped with and seal 23.
Oil piston 10 is separated into oily piston cylinder epicoele 21 and oily piston cylinder cavity of resorption 22 in oily piston cylinder 18.On the casing wall of oily piston cylinder 18, be provided with intercommunicating pore 24, oily piston cylinder epicoele 21 and cavity of resorption 22 2 chambeies are communicated with.One end of oil piston cylinder 18 casing wall intercommunicating pores 24 is provided with regulator 26.Spring 25 is housed at the axle that is positioned at oily piston cylinder epicoele 21 on 20, spring 25 2 ends withstand on respectively on oily piston 10 and the cylinder cap 19.The oil piston cylinder is full of oil in 18 2 chambeies.
When pump startup, flushing valve is opened, and promptly valve ball 17 because of spring 25 effects make water piston 9 be in the bottom, comes the water of self-pumping in ball-joint 16, connects the valve runner, and from water outlet Taper Pipe 7 or bend pipe 8 ejections, cesspool or bilge well are dashed by current and stir.Flow through in the valve runner process at water, according to bernoulli principle, because snout cavity 3 is because of the low gauge pressure height of the big flow velocity of area, valve pocket 5 is low because of area minimum velocity high gauge pressure, therefore the water piston cylinder produces pressure reduction in two chambeies about in the of 11, makes on the water piston 9 and moves, and valve ball 17 is held in the palm high point.Valve ball 17 is under flow action, and according to bernoulli principle, valve ball 17 can continue to go upward to peak, and current to valve seat 6, stop up the valve runner with valve ball 17 ejections, and valve cuts out and makes the normal pump water of pump.
When moving on the water piston 9, oily piston 10 in the oil piston cylinder 18 is also up, spring 25 is compressed, owing to be full of oil in oily piston cylinder 18 2 chambeies, when oily piston 10 moved up with water piston 9, oil flowed to oily piston cylinder cavity of resorption 22 from oily piston cylinder epicoele 21 through intercommunicating pore 24, regulator 26 has played damping function, can delay the time of water piston 9 row lofty perches, delay flushing valve, adjust regulator 26 and can realize this control from opening water spray to the time of closing.
Pump continues the pump water conservancy project to be done, and valve ball 17 is under effect of water pressure always and stops up valve runner state, because anhydrous flowing in the valve, water piston 9 both sides pressure reduction disappear, and compressed spring 25 stretches in the oily piston cylinder 18, makes water piston and oily descent of piston, returns to original position.
Pump is once quit work, and the valve ball 17 that stops up the valve runner loses hydraulic action, is dropped in the ball-joint 16 on the water piston 9 by deadweight, carry out next round again turn on pump form the preparation of switch valve runner.
The utility model is in when design, and the water piston diameter is bigger, current produce upwards thrust that pressure reduction forms greater than the various resistances of oily piston head and pressure spring power and, guarantee to move on the valve ball, realize that valve cuts out; And the stretching force after the length of spring compressed should be greater than the various resistances of piston motion, and when guaranteeing that valve in off position, water piston and oily piston return to original position.Above-mentioned entire work process of this flushing valve and circulation are carried out automatically.
Claims (4)
1. pump automatic opening-closing flushing valve, it comprises valve body, valve piston and valve runner, it is characterized in that, described flushing valve is installed on the pollution discharge pump pump case, the flushing valve import with pump the mouth of a river and be communicated with, the flushing valve runner is linked to be successively by snout cavity, contraction section, valve pocket, valve seat, water outlet Taper Pipe;
Described valve piston comprises water piston and oily piston, water piston is positioned at the water piston cylinder, constitute water piston cylinder epicoele and water piston cylinder cavity of resorption thus, water piston cylinder cavity of resorption is by the channel connection snout cavity, and water piston cylinder epicoele is communicated with the valve ball port hole and the valve pocket of flare shape, is mounted with ball-joint on water piston, bearing valve ball on ball-joint, the oil piston is positioned at oily piston cylinder, and oily piston cylinder is connected with the bottom of water piston cylinder, separates between water piston cylinder and the oily piston cylinder cylinder cap is housed;
Described oily piston is connected with water piston by an axle that passes through cylinder cap, the oil piston is separated into oily piston cylinder epicoele and oily piston cylinder cavity of resorption in oily piston cylinder, on the casing wall of oily piston cylinder, be provided with the intercommunicating pore in two chambeies, be positioned at oily piston cylinder epicoele the axle on spring is housed, oily piston cylinder is full of oil in two chambeies.
2. pump automatic opening-closing flushing valve according to claim 1 is characterized in that an end of described oily piston cylinder casing wall intercommunicating pore is provided with regulator.
3. pump automatic opening-closing flushing valve according to claim 1 is characterized in that, between described axle and the cylinder cap sealing is housed.
4. pump automatic opening-closing flushing valve according to claim 1 is characterized in that bend pipe is equipped with in the end of described water outlet Taper Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109706 CN2766073Y (en) | 2004-11-10 | 2004-11-10 | Automatic opening and closing flushing valve for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420109706 CN2766073Y (en) | 2004-11-10 | 2004-11-10 | Automatic opening and closing flushing valve for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2766073Y true CN2766073Y (en) | 2006-03-22 |
Family
ID=36606737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420109706 Expired - Fee Related CN2766073Y (en) | 2004-11-10 | 2004-11-10 | Automatic opening and closing flushing valve for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2766073Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858352A (en) * | 2009-04-13 | 2010-10-13 | 上海沃德华资机械有限公司 | Self-flushing submersible sewage pump |
| CN106704201A (en) * | 2016-12-29 | 2017-05-24 | 重庆星格泵业集团有限公司 | Sewage pump |
| CN107366349A (en) * | 2017-06-27 | 2017-11-21 | 江苏大学镇江流体工程装备技术研究院 | A kind of sewage pumping station structural control system and its design method |
| CN107646627A (en) * | 2017-11-15 | 2018-02-02 | 费先艳 | The afforestation irrigation system that automatically retractable lock based on bernoulli principle closes |
| CN107646626A (en) * | 2017-11-15 | 2018-02-02 | 费先艳 | Rainwater is reclaimed using bernoulli principle and carries out the method that greening lawn injection is irrigated |
-
2004
- 2004-11-10 CN CN 200420109706 patent/CN2766073Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858352A (en) * | 2009-04-13 | 2010-10-13 | 上海沃德华资机械有限公司 | Self-flushing submersible sewage pump |
| CN101858352B (en) * | 2009-04-13 | 2013-08-14 | 上海沃德华资机械有限公司 | Self-flushing submersible sewage pump |
| CN106704201A (en) * | 2016-12-29 | 2017-05-24 | 重庆星格泵业集团有限公司 | Sewage pump |
| CN107366349A (en) * | 2017-06-27 | 2017-11-21 | 江苏大学镇江流体工程装备技术研究院 | A kind of sewage pumping station structural control system and its design method |
| CN107646627A (en) * | 2017-11-15 | 2018-02-02 | 费先艳 | The afforestation irrigation system that automatically retractable lock based on bernoulli principle closes |
| CN107646626A (en) * | 2017-11-15 | 2018-02-02 | 费先艳 | Rainwater is reclaimed using bernoulli principle and carries out the method that greening lawn injection is irrigated |
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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 |