CN204921462U - Impeller - Google Patents
Impeller Download PDFInfo
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- CN204921462U CN204921462U CN201520678123.0U CN201520678123U CN204921462U CN 204921462 U CN204921462 U CN 204921462U CN 201520678123 U CN201520678123 U CN 201520678123U CN 204921462 U CN204921462 U CN 204921462U
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- blade
- impeller
- water
- seat board
- conservancy diversion
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Abstract
The utility model provides an impeller belongs to water pump technical field. It has been solved current impeller and flowed the great problem of power loss when the water diversion. This impeller, including annular bedplate and round cover plate, the middle part of apron has the adapter sleeve perpendicularly, form the water inlet between adapter sleeve outer peripheral face and the centre bore inner peripheral surface, circumference has a plurality of curved blades between bedplate and the apron, form the delivery port between the outer end of two adjacent blades, has the water conservancy diversion cambered surface between apron medial surface and the adapter sleeve outer peripheral face, the inner border relative adapter sleeve axial lead slope of blade sets up, the one end at the inner border of blade is located the centre bore inner peripheral surface, the other end at the inner border of blade is located the water conservancy diversion cambered surface. This impeller can reduce a class power loss, improves the lift of immersible pump.
Description
Technical field
The utility model belongs to pump technology field, relates to a kind of impeller.
Background technique
Well submersible pump is a kind of longilineal MODEL VERTICAL MULTISTAGE PUMP, is used for extracting deep phreatic water, and in rural area, factory, water utility, railway and oil field etc. are widely used.The working principle of submersible pump is roughly, and before turn on pump, must be full of liquid in suction pipe and pump.After turn on pump, impeller High Rotation Speed, liquid wherein rotates together along with blade, under the influence of centrifugal force, flies away from impeller and outwards penetrates, and liquid speed in pump case explosion chamber of injection is slack-off gradually, and pressure increases gradually, and then from pump discharge, discharge tube flows out.Now, blade center place due to liquid be thrown toward around and formed both do not had air there is no the vacuum low-pressure district of liquid, liquid in liquid pool is under the atmospheric effect in face, pond, in suction pipe inflow pump, liquid is continuously pumped up and continuously flows out from discharge tube so exactly from liquid pool.The speed that during blade rotary, current suck and discharge determines the working efficiency of submersible pump, and the impeller working efficiency of current submersible pump is not high.
As Chinese invention patent application (application number: 03802543.4) disclose a kind of impeller, at this, there is discoideus mainboard, the blade engaged with described mainboard, have in the impeller of the side plate of suction port, at the middle body of described mainboard, be formed with wheel bore, this wheel bore is for installing the wheel hub fastened with pump shaft, around the wheel bore that described mainboard is formed, stepped part is formed by stretch process, operationally, water in pump case is entered by the water intake of impeller, and along impeller Radial Flow, flowed out by the water outlet outside impeller, because water is axial flow when entering impeller, in impeller, need break-in radially to flow, therefore the impeller of the said structure power that flows when water break-in is lost larger, diving lift of pump is caused to be affected.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of impeller, and this impeller can reduce the loss of stream power, improves diving lift of pump.
The purpose of this utility model realizes by following technical proposal: a kind of impeller, comprise annular seat board and circular cover, the middle part of described cover plate vertically has connecting sleeve, the center hole of seat board is passed in one end of this connecting sleeve, and form water intake between connecting sleeve outer circumferential face and center hole inner peripheral surface, between described seat board and cover plate, circumference has the blade of some arcs, the outer end of this some blade extends to seat board outer edge, and form water outlet between the outer end of adjacent two blades, it is characterized in that, there is between described cover plate inner side surface and connecting sleeve outer circumferential face the water conservancy diversion cambered surface of annular, and cover plate inner side surface and connecting sleeve outer circumferential face are by water conservancy diversion cambered surface rounding off, described water conservancy diversion cambered surface is relative with water intake, the relative connecting sleeve shaft axis in inner edge of described blade is obliquely installed, and the inner edge of blade is all relative with water intake, the one end at the inner edge of described blade is positioned on center hole inner peripheral surface, the other end at the inner edge of blade is positioned in water conservancy diversion cambered surface.
Impeller and pump case support the use, and in submersible pump, be connected with several impellers and pump case vertically, these several impellers and pump case are all connected on pump shaft, the water intake of impeller is relative with the mouth of pump case water outlet and be communicated with, pump shaft through the connecting sleeve of impeller and impeller rotate, the water pushed out in pump case is entered by the water intake of impeller, the water entered spreads to impeller surrounding under the guiding of water conservancy diversion cambered surface, namely water enter impeller vertically and water conservancy diversion cambered surface guide under Radial Flow, and the rotation of blade plays thrust to water, increase flow rate of water flow, the inner edge of blade tilts simultaneously, the one end at the inner edge of blade is positioned on center hole inner peripheral surface, the other end at the inner edge of blade is positioned in water conservancy diversion cambered surface, when therefore rotating, the inner edge of blade can form the suction port of an enlarging shape, this suction port is relative with water intake, therefore, it is possible to increase the passing ability of current, water conservancy diversion cambered surface is positioned at the middle part of this suction port simultaneously, stream power loss when minimizing current are Radial Flow by axial flow break-in, improve diving lift of pump.
In above-mentioned impeller, the inner edge of described blade is curved.Form runner between adjacent two blades, when water is from when entering runner between the inner edge of adjacent two blades, the inner edge of arc can produce thrust to water, accelerates the speed that water enters runner, reduces the loss of stream power.
In above-mentioned impeller, the inner edge of described blade is positioned at the one end in water conservancy diversion cambered surface is greater than connecting sleeve outer circumferential face radial distance to the radial distance of center hole inner peripheral surface.Because the inner edge of blade can promote water and accelerate the speed that water enters runner, therefore make the inner edge of blade relative with water intake as far as possible, when water break-in is flowed, radial thrust is produced to water.
In above-mentioned impeller, described seat board center hole has arc angling towards the edge of cover plate, and this arc angling is relative with water conservancy diversion cambered surface.Namely chamfering coordinates with water conservancy diversion cambered surface with the resistance reduced when water break-in is flowed, and reduces the loss of stream power.
In above-mentioned impeller, the external diameter of described seat board is greater than the external diameter of cover plate, and the one end at described blade outer end edge is positioned on the outer edge of seat board, and the other end is positioned at outside cover plate.Because water needs break-in to become axial flow after impeller sidepiece radial flow goes out, and the blade outer end edge the other end is positioned at outside cover plate, therefore the mouth of a river can be formed between cover plate outer edge and pump housing madial wall, water in impeller can from radial outflow between adjacent two blades, also can directly axially pass through from the mouth of a river of crossing formed between cover plate outer edge and pump housing madial wall, increase the water outlet area of impeller, reduce the loss of stream power.
In above-mentioned impeller, described blade outer end edge is obliquely installed, and place, end, one end diameter of a circle that blade outer end edge is connected with seat board is greater than place, the other end end diameter of a circle.When namely rotating, the outer end edges of blade along the propelling movement power had the glassware for drinking water of water outlet outflow upwards, thus accelerates the passing ability of water, reduces the loss of stream power.
In above-mentioned impeller, described seat board outer side surface has annular abutment portion around center hole, above-mentioned water intake is between connecting sleeve and butting section, and the end at the inner edge of described blade extends on the inner peripheral surface of butting section.This butting section is used for leaning with pump case, and the end at the inner edge of blade extends on the inner peripheral surface of butting section, increases the area coverage of blade.
Compared with prior art, this impeller has the following advantages:
1, because the inner edge of blade when rotating can form the suction port of an enlarging shape, this suction port is relative with water intake, therefore, it is possible to increase the passing ability of current, water conservancy diversion cambered surface is positioned at the middle part of this suction port simultaneously, stream power loss when minimizing current are Radial Flow by axial flow break-in, improves diving lift of pump.
2, because seat board center hole has arc angling towards the edge of cover plate, this arc angling is relative with water conservancy diversion cambered surface, and namely chamfering coordinates with water conservancy diversion cambered surface with the resistance reduced when water break-in is flowed, and reduces the loss of stream power.
3, place, end, one end diameter of a circle be connected with seat board due to blade outer end edge is greater than place, the other end end diameter of a circle, when therefore rotating, the outer end edges of blade is along the propelling movement power had the glassware for drinking water of water outlet outflow upwards, thus accelerate the passing ability of water, reduce the loss of stream power.
Accompanying drawing explanation
Fig. 1 is the perspective view of this impeller.
Fig. 2 is the perspective view at another visual angle of this impeller.
Fig. 3 is the structure sectional view of this impeller.
Fig. 4 is the structure worm's eye view of this impeller.
Fig. 5 is the structure plan view of this impeller.
In figure, 1, seat board; 11, arc angling; 12, butting section; 2, cover plate; 21, connecting sleeve; 22, water conservancy diversion cambered surface; 3, blade; 4, water intake; 5, water outlet.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of impeller, impeller and pump case support the use, and in submersible pump, be connected with several impellers and pump case vertically, these several impellers and pump case are all connected on pump shaft, impeller comprises annular seat board 1 and circular cover 2, seat board 1 has center hole, the middle part of cover plate 2 vertically has connecting sleeve 21, the center hole of seat board 1 is passed in one end of this connecting sleeve 21, water intake 4 is formed between connecting sleeve 21 outer circumferential face and center hole inner peripheral surface, between seat board 1 and cover plate 2, circumference has the blade 3 of some arcs, the outer end of this some blade 3 extends to seat board 1 outer edge, and form water outlet 5 between the outer end of adjacent two blades 3.The water intake 4 of impeller is relative with the mouth of pump case water outlet and be communicated with, pump shaft through the connecting sleeve 21 of impeller and impeller rotate, the water pushed out in pump case is entered by the water intake 4 of impeller, then is flowed out by water outlet 5.There is between cover plate 2 inner side surface and connecting sleeve 21 outer circumferential face the water conservancy diversion cambered surface 22 of annular, and cover plate 2 inner side surface and connecting sleeve 21 outer circumferential face are by water conservancy diversion cambered surface 22 rounding off, water conservancy diversion cambered surface 22 is relative with water intake 4, the water entered spreads to impeller surrounding under the guiding of water conservancy diversion cambered surface 22, namely water enter impeller vertically and water conservancy diversion cambered surface 22 guide under Radial Flow, and the rotation of blade 3 plays thrust to water, increase flow rate of water flow.Inner edge relative connecting sleeve 21 shaft axis of blade 3 is obliquely installed, and the inner edge of blade 3 is all relative with water intake 4, the one end at the inner edge of blade 3 is positioned on center hole inner peripheral surface, the other end at the inner edge of blade 3 is positioned in water conservancy diversion cambered surface 22, when therefore rotating, the inner edge of blade 3 can form the suction port of an enlarging shape, this suction port is relative with water intake 4, therefore, it is possible to increase the passing ability of current, water conservancy diversion cambered surface 22 is positioned at the middle part of this suction port simultaneously, stream power loss when minimizing current are Radial Flow by axial flow break-in, improve diving lift of pump.
Specifically, shown in composition graphs 4, Fig. 5, the inner edge of blade 3 is curved, runner is formed between adjacent two blades 3, when water is from when entering runner between the inner edge of adjacent two blades 3, the inner edge of arc can produce thrust to water, accelerates the speed that water enters runner, reduces the loss of stream power.The inner edge of blade 3 is positioned at the one end in water conservancy diversion cambered surface 22 is greater than connecting sleeve 21 outer circumferential face radial distance to the radial distance of center hole inner peripheral surface, can water be promoted due to the inner edge of blade 3 and accelerate the speed that water enters runner, therefore make the inner edge of blade 3 relative with water intake 4 as far as possible, when water break-in is flowed, radial thrust is produced to water.Seat board 1 center hole has arc angling 11 towards the edge of cover plate 2, and this arc angling 11 is relative with water conservancy diversion cambered surface 22, and namely chamfering coordinates with water conservancy diversion cambered surface 22 to reduce resistance when water break-in is flowed, and reduces the loss of stream power.Seat board 1 outer side surface has annular abutment portion 12 around center hole, water intake 4 is between connecting sleeve 21 and butting section 12, the end at the inner edge of blade 3 extends on the inner peripheral surface of butting section 12, this butting section 12 is for leaning with pump case, the end at the inner edge of blade 3 extends on the inner peripheral surface of butting section 12, increases the area coverage of blade 3.
Because water needs break-in to become axial flow after impeller sidepiece radial flow goes out, therefore the external diameter of seat board 1 is greater than the external diameter of cover plate 2, the one end on blade 3 outer end edges edge is positioned on the outer edge of seat board 1, the other end is positioned at outside cover plate 2, the mouth of a river can be formed between cover plate 2 outer edge and pump housing madial wall, water in impeller can from radial outflow between adjacent two blades 3, also can directly axially pass through from the mouth of a river of crossing formed between cover plate 2 outer edge and pump housing madial wall, increase water outlet 5 area of impeller, reduce the loss of stream power.Blade 3 outer end edges is along being obliquely installed, and blade 3 outer end edges is greater than place, the other end end diameter of a circle along place, end, one end diameter of a circle be connected with seat board 1, when namely rotating, the outer end edges of blade 3 is along the propelling movement power had the glassware for drinking water of water outlet 5 outflow upwards, thus accelerate the passing ability of water, reduce the loss of stream power.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as seat board 1, arc angling 11, butting section 12 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (7)
1. an impeller, comprise annular seat board (1) and circular cover (2), the middle part of described cover plate (2) vertically has connecting sleeve (21), the center hole of seat board (1) is passed in one end of this connecting sleeve (21), and form water intake (4) between connecting sleeve (21) outer circumferential face and center hole inner peripheral surface, between described seat board (1) and cover plate (2), circumference has the blade (3) of some arcs, the outer end of this some blade (3) extends to seat board (1) outer edge, and form water outlet (5) between the outer end of adjacent two blades (3), it is characterized in that, there is between described cover plate (2) inner side surface and connecting sleeve (21) outer circumferential face the water conservancy diversion cambered surface (22) of annular, and cover plate (2) inner side surface and connecting sleeve (21) outer circumferential face are by water conservancy diversion cambered surface (22) rounding off, described water conservancy diversion cambered surface (22) is relative with water intake (4), inner edge relative connecting sleeve (21) shaft axis of described blade (3) is obliquely installed, and blade (3) inner edge is all relative with water intake (4), the one end at described blade (3) inner edge is positioned on center hole inner peripheral surface, the other end at blade (3) inner edge is positioned in water conservancy diversion cambered surface (22).
2. impeller according to claim 1, is characterized in that, the inner edge of described blade (3) is curved.
3. impeller according to claim 2, it is characterized in that, described blade (3) inner edge is positioned at the one end in water conservancy diversion cambered surface (22) is greater than connecting sleeve (21) outer circumferential face radial distance to the radial distance of center hole inner peripheral surface.
4. impeller according to claim 3, it is characterized in that, described seat board (1) center hole has arc angling (11) towards the edge of cover plate (2), and this arc angling (11) is relative with water conservancy diversion cambered surface (22).
5. according to the impeller in Claims 2 or 3 or 4 described in any one, it is characterized in that, the external diameter of described seat board (1) is greater than the external diameter of cover plate (2), the one end on described blade (3) outer end edges edge is positioned on the outer edge of seat board (1), and the other end is positioned at cover plate (2) outside.
6. impeller according to claim 5, it is characterized in that, described blade (3) outer end edges is along being obliquely installed, and blade (3) outer end edges is greater than place, the other end end diameter of a circle along place, end, one end diameter of a circle be connected with seat board (1).
7. according to the impeller in Claims 2 or 3 or 4 described in any one, it is characterized in that, described seat board (1) outer side surface has annular abutment portion (12) around center hole, above-mentioned water intake (4) is positioned between connecting sleeve (21) and butting section (12), and the end at described blade (3) inner edge extends on butting section (12) inner peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678123.0U CN204921462U (en) | 2015-09-02 | 2015-09-02 | Impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678123.0U CN204921462U (en) | 2015-09-02 | 2015-09-02 | Impeller |
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| Publication Number | Publication Date |
|---|---|
| CN204921462U true CN204921462U (en) | 2015-12-30 |
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| CN201520678123.0U Active CN204921462U (en) | 2015-09-02 | 2015-09-02 | Impeller |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321448A (en) * | 2016-09-29 | 2017-01-11 | 周宁县善长祥农业机械研发有限公司 | Multi-stage water pump and using method thereof |
| CN106337834A (en) * | 2016-09-29 | 2017-01-18 | 周宁县善长祥农业机械研发有限公司 | Multi-stage impeller device and using method thereof |
| CN106438377A (en) * | 2016-09-29 | 2017-02-22 | 周宁县善长祥农业机械研发有限公司 | Vertical multi-stage double-valve centrifugal pump and use method thereof |
| CN106545496A (en) * | 2016-09-29 | 2017-03-29 | 周宁县善长祥农业机械研发有限公司 | Sleeping suction multi-stage pipeline pump |
| CN106640670A (en) * | 2016-09-29 | 2017-05-10 | 周宁县善长祥农业机械研发有限公司 | Vertical-sucking-type multi-level pipeline pump and use method thereof |
| CN107191386A (en) * | 2017-07-19 | 2017-09-22 | 宁波天安汽车零部件有限公司 | A kind of water pump |
-
2015
- 2015-09-02 CN CN201520678123.0U patent/CN204921462U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321448A (en) * | 2016-09-29 | 2017-01-11 | 周宁县善长祥农业机械研发有限公司 | Multi-stage water pump and using method thereof |
| CN106337834A (en) * | 2016-09-29 | 2017-01-18 | 周宁县善长祥农业机械研发有限公司 | Multi-stage impeller device and using method thereof |
| CN106438377A (en) * | 2016-09-29 | 2017-02-22 | 周宁县善长祥农业机械研发有限公司 | Vertical multi-stage double-valve centrifugal pump and use method thereof |
| CN106545496A (en) * | 2016-09-29 | 2017-03-29 | 周宁县善长祥农业机械研发有限公司 | Sleeping suction multi-stage pipeline pump |
| CN106640670A (en) * | 2016-09-29 | 2017-05-10 | 周宁县善长祥农业机械研发有限公司 | Vertical-sucking-type multi-level pipeline pump and use method thereof |
| CN106337834B (en) * | 2016-09-29 | 2018-06-15 | 周宁县善长祥农业机械研发有限公司 | Multi-stage impeller device and its application method |
| CN107191386A (en) * | 2017-07-19 | 2017-09-22 | 宁波天安汽车零部件有限公司 | A kind of water pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200214 Address after: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee after: Zhejiang Dongyin Technology Co., Ltd. Address before: On the south side of the town of Boulder Highway in Wenling city of Taizhou City, Zhejiang province 317525 Patentee before: Zhejiang Dongyin Pump Co., Ltd. |
|
| TR01 | Transfer of patent right |