CN200943584Y - Differential pressure full-automatic valve of self priming pump - Google Patents
Differential pressure full-automatic valve of self priming pump Download PDFInfo
- Publication number
- CN200943584Y CN200943584Y CN 200620050510 CN200620050510U CN200943584Y CN 200943584 Y CN200943584 Y CN 200943584Y CN 200620050510 CN200620050510 CN 200620050510 CN 200620050510 U CN200620050510 U CN 200620050510U CN 200943584 Y CN200943584 Y CN 200943584Y
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- China
- Prior art keywords
- valve
- conical surface
- valve seat
- water
- taped
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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 air lock resistance device of a centrifugal pump and particularly to a pressure difference and fully automatic valve of a self-priming pump. The wall of the valve body is provided with a taped valve seat, the taped valve seat is provided with holes of a water channel outlet, a vale cap is arranged on the taped valve seat, the position of a plunger valve core of the valve cap is over against the holes of water channel outlet of the taped valve seat, the air suction channel is interlinked with the clearance of the taped surface through the taped wall of the taped valve seat and the valve body is provided with a water inlet and a water outlet. The utility model has a very simple structure, small volume and better gas/water separation so as to achieve a higher efficient of the water pump. The utility model can be arranged directly on the water pump enclosure, very convenient for use and has a wide range of applicability.
Description
Technical field
The utility model relates to centrifugal pump and prevents gas resistance device, the full-automatic valve of particularly a kind of self-priming pump pressure difference.
Background technique
During centrifugal water pump starting at present, owing to do not prevent gas resistance device and self-absorption function, must manually exit and fill diversion in the machine sewer and could start reaching in the machine, the use of centrifugal water pump efficient extremely influences.The disclosed technology more complicated of high-efficient self-priming pump of Chinese patent application number 200420032184.1 gas-liquid separation self-sucking devices and application number 92214552.8 gas-liquid separation chamber energy break-make, volume is bigger, fail to be made of one with the pump housing, can not in diving, use again, it is very inconvenient to use, can't use with submersible pump especially, using scope is not broad.
Summary of the invention
It is little that the purpose of this utility model provides a kind of volume, simple in structure can be directly and the full-automatic valve of self-priming pump pressure difference that links into an integrated entity of the pump housing.
The utility model is realized with following mode: this valve is made of parts such as valve body, valve gap, conical surface valve seat, air-breathing water channels, conical surface valve seat is arranged on the valve body wall of valve body, conical surface valve seat has the water channel exit orifice, the valve gap lid is contained on the conical surface valve seat, the plunger type spool position of valve gap is over against the water channel exit orifice of conical surface valve seat, the conical surface wall that air-breathing water channel passes conical surface valve seat is communicated with conical surface gap, and water inlet and osculum are arranged on the valve body.
The utility model can also be realized with following mode on the basis of the above: valve body wall has conical surface valve seat.Conical surface valve seat can be to be fixed on the valve body wall.Conical surface gap is the gap when normality between valve gap and the conical surface valve seat.The water channel exit orifice is a cylindrical bore.The water channel exit orifice can be coniform hole.
The utility model structure is very simple, and volume is little, and air-water separation is good, makes pump efficiency height, lift height, can directly be contained on the pump case, uses very convenient, applied widely.
Description of drawings
The full-automatic valve master of Fig. 1 self-priming pump pressure difference looks schematic representation
Fig. 2 is the A-A cross-sectional schematic of Fig. 1
Embodiment
The full-automatic valve of the utility model self-priming pump pressure difference is made of valve body 1, valve gap 2, conical surface valve seat 5, air-breathing water channel 6 four parts.Have the water inlet 9 of connection water pump output water pipe on the valve body 1 and water pump is come the osculum 10 of water output, also have the water channel exit orifice 7 of full-automatic valve in addition from valve gap 2.Conical surface valve seat 5 and valve gap 2 are housed in the valve body 1.Conical surface valve seat 5 is the valve seats that the taper conical surface is arranged, water channel exit orifice 7 is arranged on the conical surface valve seat 5, conical surface valve seat 5 can be processed into (present embodiment is shown in Figure 1) in valve body 1 bottom, also can make other part in addition and be fixed on the valve body wall 8, corresponding water channel exit orifice 7 can be valve seat itself have or valve body wall 8 on the hole of increasing.Present embodiment water channel exit orifice (7) is cylindrical bore (also can be coniform hole).Water channel exit orifice 7 communicates with corresponding aperture on the water pump cover in use.Valve gap 2 is made by rubber, and a plunger type spool 3 is arranged under it, and its lid is placed on the conical surface valve seat 5, and is fastening with the planar section of conical surface valve seat 5 all around.During off working state (being normality), between the conical surface of the plunger type spool 3 of valve gap 2 with following conical surface valve seat 5 conical surface gap 4 is arranged.On the conical surface valve seat 5 conical surface is arranged, be big top and small bottom, air-breathing water channel 6 is arranged between conical surface valve seat 5 and the valve body wall 8, air-breathing water channel 6 one ends pass conical surface wall and are communicated with conical surface gap 4, and the other end communicates with space (being hydroecium 11) in the valve body 1.
Working principle: the full-automatic valve of this automatic pump pressure difference is installed on the pump case of self-priming pump, and the water channel exit orifice 7 of self-acting valve is connected with the hole on the pump case, and self-acting valve inside is connected with shell inside.
When pipeline has air under first use of self-priming pump or the machine, in the water pump machine, pour into diversion, connect power supply.Water pump vane is with the hydroecium 11 of the water in the hydroecium of water pump in water inlet 9 is thrown into this valve valve, the hydroecium of water pump becomes negative pressure, the air of pipeline is inhaled in the water pump hydroecium under water of this self-acting valve and the machine, because the centrifugal force of the impeller of water pump rotation, air-water mixture in the water pump hydroecium is thrown in the lump to the hydroecium 11 of this valve, gas is outside top osculum 10 expulsion valves of hydroecium 11, and the water of hydroecium 11 flow to conical surface gap 4 flows to water pump through water channel exit orifice 7 hydroecium through air-breathing water channel 6, finish an air-water separation cycle, so successively, through about tens seconds or 3 minutes, can suck air, pump enters normal pump water conservancy project and does.The hydraulic pressure that dish out because of water pump vane this moment sharply increases, the interior pressure of this valve hydroecium 11 increases, the stressed increase in valve gap 2 tops of self-acting valve, depressed by hydraulic pressure, the plunger type spool 3 of valve gap puts in conical surface valve seat 5, presses conical surface wall, with 7 sealings of water channel exit orifice, cut off air-breathing water channel 6, stop the circulation of water.After the shutdown; because of the hydroecium negative pressure of water pump is eliminated; the isostasy up and down that valve gap 2 is suffered; because of valve gap elastic material such as rubber manufacturing; under the elastic force effect, valve gap 2 recovers normal position, and the plunger type spool moves on 3 positions; recovering again between valve gap 2 and conical surface valve seat 5 has conical surface gap 4, and this valve is in opening state again.
Claims (5)
1, the full-automatic valve of a kind of self-priming pump pressure difference, it is characterized in that on the valve body wall (8) of valve body (1) conical surface valve seat (5) being arranged, conical surface valve seat (5) has water channel exit orifice (7), valve gap (2) lid is contained on the conical surface valve seat (5), plunger type spool (3) position of valve gap (2) is over against the water channel exit orifice (7) of conical surface valve seat (5), the conical surface wall that air-breathing water channel (6) passes conical surface valve seat (5) is communicated with conical surface gap (4), and water inlet (9) and osculum (10) are arranged on the valve body (1).
2, the full-automatic valve of self-priming pump pressure difference according to claim 1 is characterized in that conical surface valve seat (5) can be to be fixed on the valve body wall (8).
3, the full-automatic valve of self-priming pump pressure difference according to claim 1 is characterized in that conical surface gap (4) is the gap that forms between valve gap (2) and the conical surface valve seat (5) when normality.
4, the full-automatic valve of self-priming pump pressure difference according to claim 1 is characterized in that water channel exit orifice (7) is a cylindrical bore.
5, the full-automatic valve of self-priming pump pressure difference according to claim 1 is characterized in that water channel exit orifice (7) is coniform hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050510 CN200943584Y (en) | 2006-04-03 | 2006-04-03 | Differential pressure full-automatic valve of self priming pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050510 CN200943584Y (en) | 2006-04-03 | 2006-04-03 | Differential pressure full-automatic valve of self priming pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200943584Y true CN200943584Y (en) | 2007-09-05 |
Family
ID=38718216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620050510 Expired - Fee Related CN200943584Y (en) | 2006-04-03 | 2006-04-03 | Differential pressure full-automatic valve of self priming pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200943584Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322425A (en) * | 2011-10-13 | 2012-01-18 | 江苏万丰船用设备制造有限公司 | External explosion-proof self-suction device of marine centrifugal pump |
| US10267317B2 (en) | 2012-06-14 | 2019-04-23 | Flow Control Llc. | Technique for preventing air lock through stuttered starting and air release slit for pumps |
-
2006
- 2006-04-03 CN CN 200620050510 patent/CN200943584Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322425A (en) * | 2011-10-13 | 2012-01-18 | 江苏万丰船用设备制造有限公司 | External explosion-proof self-suction device of marine centrifugal pump |
| CN102322425B (en) * | 2011-10-13 | 2013-03-06 | 江苏万丰船用设备制造有限公司 | External explosion-proof self-suction device of marine centrifugal pump |
| US10267317B2 (en) | 2012-06-14 | 2019-04-23 | Flow Control Llc. | Technique for preventing air lock through stuttered starting and air release slit for pumps |
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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 |