CN2547916Y - Agricultural self-suction centrifugal pump - Google Patents
Agricultural self-suction centrifugal pump Download PDFInfo
- Publication number
- CN2547916Y CN2547916Y CN 02267444 CN02267444U CN2547916Y CN 2547916 Y CN2547916 Y CN 2547916Y CN 02267444 CN02267444 CN 02267444 CN 02267444 U CN02267444 U CN 02267444U CN 2547916 Y CN2547916 Y CN 2547916Y
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- pump
- water pump
- water
- clutch
- vacuum pump
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- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a self-suction centrifugal pump, comprising a centrifugal pump and a vacuum pump. A connecting rod of the vacuum pump is driven to move to and fro by an eccentric wheel drive free covered on a shaft of a water pump. A clutch is arranged on the shaft of the water pump. A drive disc of the clutch is fixed on the shaft of the water pump. A driven disc and the eccentric wheel are made into a whole free covered on the shaft of the water pump. The separation and closure of the drive disc and the driven disc of the clutch are controlled by a shift fork. When the water pump starts to work, the clutch is closed. The eccentric wheel is driven by the friction force between the drive disc and the driven disc to rotate and the friction force makes the vacuum pump work and then air in the pump body and an inlet water pump is exhausted. When the water pump pumps water normally, the shift fork is shifted and the clutch is separated and the vacuum pump stops working. The self-suction centrifugal pump has the technical advantages of reasonable structure, no filling guide water, convenience for manufacturing and arrangement, long service life, rapid exhaustion, long suction lift, high efficiency and big flow.
Description
The utility model belongs to pump class technical field, particularly relates to a kind of agricultural self priming centrifugal pump.
Advantages such as centrifugal pump is simple in structure with it, price is low, flow is big are subjected to people's popular welcome, use very extensively in agricultural production, but in use, need at first fill diversion and evacuation of air in the former pump housing and intake pipe, use inconvenience.For overcoming above-mentioned shortcoming, multiple self priming centrifugal pump has also appearred now, as the square chest type self priming centrifugal pump mainly by suction chamber, water chamber, backwater hole, the aqueous vapor separation chamber forms, during use, the pump domestic demand has certain water, during the impeller high speed rotating, water and air forms air-water mixture in the edge of impeller, flow to the aqueous vapor separation chamber in pump housing outlet port then together, this moment, flow velocity reduced suddenly, and aqueous vapor is separated discharge, water flows back to the edge part of impeller through return pipe, mix once again with the air in the intake pipe, constantly circulation is till the air in the emptying intake pipe.But this kind centrifugal pump venting capacity is little, self-priming time is long, flow is little, efficient is low, heavy, be unfavorable for applying.I had also once applied for " a kind of self priming centrifugal pump " patented technology (ZL00213124.2), be on the basis of former centrifugal pump, to set up a vacuum pump, and water pump spindle is made into bent axle drive vacuum pump work, and then the air in emptying centrifugal pump and the intake pipe thereof and pumping up water, have, emptying strong and inhale characteristics such as journey is big, emptying is rapid without any need for diversion, suction capacity, but water pump spindle makes bent axle final vacuum pump into when not needing emptying also all the time with the water pump co-operation, it is heavier to wear and tear, working life is shorter relatively, and produce certain power consumpiton, influence pump efficiency.
The purpose of this utility model just is that a kind of, emptying strong without any need for diversion, suction capacity inhales that journey is big, emptying rapidly, long service life, flow be big, inhale that journey is big, the agricultural self priming centrifugal pump of high working efficiency.
The purpose of this utility model is achieved in that
This agricultural self priming centrifugal pump, mainly comprise centrifugal pump, vacuum pump, described centrifugal pump is by the water pump shell, water pump vane, intake pipe, water pump spindle, bearing bracket is formed, be provided with an one-way cock between the outlet pipe of this centrifugal pump and the water pump shell, described vacuum pump is by the vacuum pump case, connecting rod, piston, inlet hole, air outlet hole is formed, inlet hole internal orifice place in this vacuum pump inside is provided with a check valve sheet, the connecting rod of described vacuum pump is moved back and forth by the eccentric wheel driving that sky is enclosed within on the water pump spindle, one clutch also is installed on water pump spindle, the driving disc of this clutch is fixed on the water pump spindle, driven disc and eccentric wheel are made into an integral body, sky is enclosed within on the water pump spindle, and by fork controls clutch master, the separation of driven disc is with closed.
As improvement of the present utility model, on the water pump shell, be provided with an induction chamber inner chamber, the air outlet of this induction chamber inner chamber is connected with the inlet hole of vacuum pump through the band of gas.
Further improve as of the present utility model, between the feed-water end of water pump vane and water pump shell, be provided with an O RunddichtringO.
After the utility model is taked said structure, because water pump spindle is a d-axis, so it is comparatively convenient to make installation and processing, between vacuum pump and water pump spindle, set up and put a clutch, when water pump has just been started working, the clutch closure, drive the eccentric wheel rotation and then make vacuum pump work, carry out rapid emptying, and emptying suction journey is bigger, do not need any diversion, after the normal water outlet of water pump, clutch separates under the shift fork effect, and vacuum pump quits work, can reduce wear, reduce power consumpiton.Be provided with and increase the induction chamber inner chamber aqueous vapor is separated, strengthen venting capacity, shorten self-priming time, and prevent vacuum pump water spray phenomenon.Between water pump vane feed-water end and water pump shell, the O RunddichtringO is set, can prevents that the aqueous reflux at pump outlet place from going into the impeller feed-water end, can further improve pump working efficient, and increase water pump suction journey and flow.
The utility model is described in further detail below in conjunction with drawings and Examples.
Accompanying drawing is a kind of structural representation sectional drawing of the present utility model.
As shown in FIG., this agricultural self priming centrifugal pump, mainly comprise centrifugal pump, vacuum pump, described centrifugal pump is by water pump shell 3, water pump vane 6, intake pipe 16, water pump spindle 11, bearing bracket 12 is formed, be provided with an one-way cock 1 between the outlet pipe 20 of this centrifugal pump and the water pump shell 3, described vacuum pump is by vacuum pump case 13, connecting rod 10, piston 18, inlet hole 15, air outlet hole 19 is formed, 15 internal orifice places are provided with a check valve sheet 14 at the inside of this vacuum pump inlet hole, the connecting rod 10 of described vacuum pump is to be moved back and forth by eccentric wheel 8 drivings that sky is enclosed within on the water pump spindle 11, one clutch also is installed on water pump spindle 11, the active grinding disk 7 of this clutch is fixed on the water pump spindle 11, driven grinding disk and eccentric wheel 8 are made into an integral body, sky is enclosed within on the water pump spindle 11, and by the separation of shift fork 9 solenoidoperated cluthes with combine.When water pump is started working, clutch is in closed state under the effect of shift fork 9, water pump spindle 11 rotates and promptly drives initiatively grinding disk 7 rotations, by the master, friction between the driven grinding disk, rotate and drive eccentric wheel 8, thereby make the connecting rod 10 on it and drive piston 18 reciprocating, when piston 18 moves down, air outlet hole 19 is closed, check valve sheet 14 is opened, because one-way cock 1 is in closed condition, so the air in centrifugal pump and the intake pipe 16 is through induction chamber inner chamber 4, the band of gas 2, inlet hole 15 and enter piston 18 tops, when moving on the piston 18, check valve sheet 14 is closed, and air outlet hole 19 is opened and exhaust, and so forth the air in the emptying pump housing and intake pipe 16, water enters the pump housing under atmospheric effect, water pump vane 6 makes to be opened one-way cock 1 after the water supercharging of sucking-off and flow out from outlet pipe 20.After the normal water outlet of water pump, stir eccentric wheel 8 with shift fork 9 and move to left, make clutch separation, vacuum pump quits work, and induction chamber inner chamber 4, the band of gas 2, inlet hole 15 are under the negative pressure state at this moment, and air outlet hole 19 is closed, and check valve sheet 14 is closed, the water pump proper functioning.
Be provided with an induction chamber inner chamber 4 on water pump shell 3, the air outlet of this induction chamber inner chamber 4 is connected with the inlet hole 15 of vacuum pump through the band of gas 2.When induction chamber inner chamber 4 cross sections greater than 3 * 4 square centimeters, during highly greater than 5 centimetres, air-water mixture enters induction chamber inner chamber 4, because the space increases suddenly, air-water mixture speed reduces, air-water separation, water flows into intake pipe 16 under the effect of gravity, gas is discharged by vacuum pump, can shorten self-priming time like this, and avoid the vacuum pump water spray phenomenon in when work.
When the water pump proper functioning, impeller 6 outer rim waterexit ends are malleation, feed-water end is a negative pressure, owing to have gap 17 between impeller 6 exterior contours and the pump housing, part water turns back to feed-water end again by gap 17 from the waterexit end, this phenomenon is obvious more when suction Cheng Yue is big, between the feed-water end and water pump shell 3 of impeller 6, behind overcoat one O-ring seals 5, just can overcome the generation of this phenomenon, actual suction journey and flow to water pump all improve a lot.
The utility model is not limited to above-mentioned mode of execution; as change the type or the mounting point of vacuum pump; adopt castellated, electromagnetic type, hydraulic type, overload protection formula clutch; by coaxial to make concentric shafts or parallel axes etc. into all be a kind of modification of the present utility model with water pump spindle, all should think clutch shaft to fall within the protection domain of the present utility model.
Claims (3)
1, a kind of agricultural self priming centrifugal pump, mainly comprise centrifugal pump, vacuum pump, described centrifugal pump is by water pump shell (3), water pump vane (6), intake pipe (16), water pump spindle (11), bearing bracket (12) is formed, be provided with an one-way cock (1) between outlet pipe of this centrifugal pump (20) and the water pump shell (3), described vacuum pump is by vacuum pump case (13), connecting rod (10), piston (18), inlet hole (15), air outlet hole (19) is formed, inlet hole (15) internal orifice place in this vacuum pump inside is provided with a check valve sheet (14), it is characterized in that: the connecting rod of described vacuum pump (10) is to be moved back and forth by eccentric wheel (8) driving that sky is enclosed within on the water pump spindle (11), on water pump spindle (11), a clutch is installed also, the driving disc of this clutch (7) is fixed on the water pump spindle (11), driven disc and eccentric wheel (8) are made into an integral body, be sleeved on the water pump spindle (11), and by the master of shift fork (9) solenoidoperated cluthes, driven disc separates with closed.
2, agricultural self priming centrifugal pump as claimed in claim 1 is characterized in that: be provided with an induction chamber inner chamber (4) on water pump shell (3), the air outlet of this induction chamber inner chamber (4) is connected with the inlet hole (15) of vacuum pump through the band of gas (2).
3, agricultural self priming centrifugal pump as claimed in claim 1 or 2 is characterized in that: be provided with an O RunddichtringO (5) between the feed-water end of water pump vane (6) and water pump shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267444 CN2547916Y (en) | 2002-06-06 | 2002-06-06 | Agricultural self-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02267444 CN2547916Y (en) | 2002-06-06 | 2002-06-06 | Agricultural self-suction centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2547916Y true CN2547916Y (en) | 2003-04-30 |
Family
ID=33733038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02267444 Expired - Fee Related CN2547916Y (en) | 2002-06-06 | 2002-06-06 | Agricultural self-suction centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2547916Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104350282A (en) * | 2012-04-11 | 2015-02-11 | 沃特劳斯公司 | Integrated reciprocating primer drive arrangement |
| CN105275825A (en) * | 2015-11-20 | 2016-01-27 | 吉林东方石化泵业有限公司 | Novel strong self-suction pump |
| CN107327406A (en) * | 2017-08-02 | 2017-11-07 | 浙江威龙泵业有限公司 | The self priming pump and its application method of a kind of machinery automatic control vacuum aided |
| CN107476948A (en) * | 2016-02-05 | 2017-12-15 | 黄文佳 | A kind of Integral water pump |
| CN108019358A (en) * | 2018-01-12 | 2018-05-11 | 安徽阿莫斯泵业有限公司 | A kind of centrifugal pump auxiliary self-priming apparatus |
| CN110259696A (en) * | 2019-08-03 | 2019-09-20 | 东莞海特帕沃液压科技有限公司 | A kind of centrifugal water pump |
| CN111734602A (en) * | 2020-07-08 | 2020-10-02 | 河南工学院 | Self-priming centrifugal pump capable of treating gas-liquid mixed medium |
| CN113530838A (en) * | 2021-08-13 | 2021-10-22 | 浙江东航消防泵业有限公司 | Water pump with self-suction device |
| CN114922823A (en) * | 2022-01-18 | 2022-08-19 | 阳江翌川金属科技有限公司 | Improved efficient energy-saving pump for slag flushing water system of furnace |
-
2002
- 2002-06-06 CN CN 02267444 patent/CN2547916Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2836723A1 (en) * | 2012-04-11 | 2015-02-18 | Waterous Company | Integrated reciprocating primer drive arrangement |
| US9587641B2 (en) | 2012-04-11 | 2017-03-07 | Waterous Company | Integrated reciprocating primer drive arrangement |
| CN104350282A (en) * | 2012-04-11 | 2015-02-11 | 沃特劳斯公司 | Integrated reciprocating primer drive arrangement |
| CN105275825B (en) * | 2015-11-20 | 2017-11-28 | 吉林东方石化泵业有限公司 | A kind of Strong self priming pump |
| CN105275825A (en) * | 2015-11-20 | 2016-01-27 | 吉林东方石化泵业有限公司 | Novel strong self-suction pump |
| CN107476948A (en) * | 2016-02-05 | 2017-12-15 | 黄文佳 | A kind of Integral water pump |
| CN107327406A (en) * | 2017-08-02 | 2017-11-07 | 浙江威龙泵业有限公司 | The self priming pump and its application method of a kind of machinery automatic control vacuum aided |
| CN108019358A (en) * | 2018-01-12 | 2018-05-11 | 安徽阿莫斯泵业有限公司 | A kind of centrifugal pump auxiliary self-priming apparatus |
| CN110259696A (en) * | 2019-08-03 | 2019-09-20 | 东莞海特帕沃液压科技有限公司 | A kind of centrifugal water pump |
| CN110259696B (en) * | 2019-08-03 | 2020-09-15 | 日照市永和泵业有限公司 | Centrifugal water pump |
| CN111734602A (en) * | 2020-07-08 | 2020-10-02 | 河南工学院 | Self-priming centrifugal pump capable of treating gas-liquid mixed medium |
| CN113530838A (en) * | 2021-08-13 | 2021-10-22 | 浙江东航消防泵业有限公司 | Water pump with self-suction device |
| CN114922823A (en) * | 2022-01-18 | 2022-08-19 | 阳江翌川金属科技有限公司 | Improved efficient energy-saving pump for slag flushing water system of furnace |
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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 |