CN101368573B - Water pump impeller - Google Patents
Water pump impeller Download PDFInfo
- Publication number
- CN101368573B CN101368573B CN2008102121077A CN200810212107A CN101368573B CN 101368573 B CN101368573 B CN 101368573B CN 2008102121077 A CN2008102121077 A CN 2008102121077A CN 200810212107 A CN200810212107 A CN 200810212107A CN 101368573 B CN101368573 B CN 101368573B
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- water pump
- impeller
- blade
- pump vane
- vane
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000498 cooling water Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000005086 pumping Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The invention discloses a water pump impeller which comprises a vane inlet angle (7) Beta 1 and a vane outlet angle (8) Beta 2; the range of Beta 1 is 10 degrees to 20 degrees; the Beta 2 is 25 degrees to 45 degrees. When the technical proposal is adopted, each vane adopts the most reasonable vane inlet angle and the vane outlet angle to improve the pump water efficiency of the cooling water and the cooling effect on the engine; a front retaining plate and a back retaining plate are arranged on the impeller to enable the impeller to be fully-closed type, so as to reduce the mounting gap between the water pump and the turbine shell; the proper number of vanes is adopted to further improve the work efficiency of the water pump; the impeller is made of engineering plastic for reducing the weight of the water pump.
Description
Technical field
The invention belongs to the technical field of automobile construction, relate to the motor car engine but system of freezing, more particularly, the present invention relates to a kind of water pump vane that is used for motor car engine cooling usefulness.
Background technique
Centrifugal pump is a kind of general water pump, is applied to the every field of national economy, especially uses more extensive in engine art.
Impeller is the heart of centrifugal pump, and the quality of its performance directly influences the efficient of centrifugal pump.The outstanding problem that existing centrifugal pump exists is that efficient is not high, power consumption is big.Wherein, centrifugal pump impeller is made up of wheel seat and wheel shaft, the impeller that uniform individual layer spirality water dumping blade is formed around wheel seat, and this individual layer blade can only play centrifugal water dumping effect, and pressure is low, venting quality is poor, and the angle of water dumping blade is provided with reasonable inadequately; And there is very big relation in the gap between its impeller and the volute when arranging on motor.
At present, the motor that the unshrouded impeller water pump is installed exists the bad emission request that causes of cooling property not up to standard, and the gap between the impeller of water pump and the motor volute is difficult to be adjusted to the best in addition, thereby has reduced the water pumping efficiency of water pump.
Above-mentioned two aspects are perplexing water pump producer and engine production producer all the time, also do not have good solution so far.Under the identical situation of the output work that guarantees the motor feed water pump, the water pumping efficiency height of water pump can make engine cooling efficient improve, good cooling results can make the burning of motor more abundant, thereby improve the economic performance and the emission performance of motor.So also be worth making great efforts to carry out bigger improvement in this respect.
Summary of the invention
Problem to be solved by this invention provides a kind of water pump vane, its objective is to improve water pump to the cooling effect of motor and make its compact structure.
To achieve these goals, the technological scheme taked of the present invention is:
This water pump vane provided by the present invention, the impeller bore that comprises wheel hub and be located at the wheel hub center, be used to install water pump vane, along the circumferencial direction of wheel hub, also be provided with a plurality of blades uniform, that shape is identical, two ends of described blade are distributed on two unequal circumference; Described blade with the axis normal section of water pump vane on be shaped as arc; On this section, the arc of described blade is at the tangent line of the end that is positioned at less circumference, with water pump vane 1 be blade inlet angle at the angle of the radius of this position, promptly β 1; The arc of described blade is at the tangent line that is positioned at than the end of big circumference, with water pump vane be blade outlet angle at the angle of the radius of this position, promptly β 2, described β 1 is 10 °～20 °; Described β 2 is 25 °～45 °.
For making the present invention more perfect, more detailed and concrete technological scheme below also further having proposed, to obtain best practical effect, realize goal of the invention better, and improve novelty of the present invention and creativeness:
Described β 1 is 17 °～19 °; Described β 2 is 40 °～44 °.
Further, making described β 1 is 18 °; Described β 2 is 42 °.
Establish impeller front screen and impeller backboard on the water pump vane of the present invention, described impeller front screen and impeller backboard be shaped as the approximate circle dish type coaxial with water pump vane; Be positioned at former and later two axial sides of water pump vane on the described blade, connect as one with described impeller front screen and impeller backboard 4 respectively.
The quantity of described blade is 7.
The integrally-built material of described water pump vane all adopts engineering plastics.
The present invention adopts technique scheme, makes blade adopt the most reasonably blade inlet angle and blade outlet angle, improves the water pumping efficiency of cooling water, promptly improves its cooling effect to motor; If catch before and after the impeller makes the impeller of water pump become the full cut-off formula, reduced the assemblage gap between water pump and the volute; Adopt rational blade quantity, further improve the working efficiency of water pump; The material of impeller is engineering plastics, reduces the weight of water pump.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is the structural representation in the cross section of water pump vane provided by the present invention;
Fig. 2 is the structural representation of the longitudinal profile of structure shown in Figure 1;
Fig. 3 is the mounting structure schematic representation of water pump vane provided by the present invention on engine cylinder-body.
Mark among above-mentioned each figure is respectively:
1, water pump vane, 2, wheel hub, 3, the impeller front screen, 4, impeller backboard, 5, impeller bore, 6, blade, 7, blade inlet angle, i.e. β 1,8, blade outlet angle, be β 2,9, water pump spindle, 10, water pump seal, 11, belt pulley, 12, pump outlet, 13, engine cylinder-body, 14, water pump cover, 15, pump intake, 16, the thermostat backwater mouth.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and working principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technological scheme had more complete, accurate and deep understanding to help those skilled in the art.
As Fig. 1, Fig. 2 and the expressed structure of the present invention of Fig. 3, the present invention is a kind of water pump vane 1, the impeller bore 5 that comprises wheel hub 2 and be located at wheel hub 2 centers, be used to install water pump vane 1, and water pump vane 1 is installed on the water pump spindle 9 by impeller bore 5.Water pump spindle 9 is by belt pulley 11 rotary driving.
Water pump is fixed on the engine cylinder-body 13 by water pump cover 14.Seal by water pump seal 10 between water pump spindle 9 and the water pump cover 14.
Along the circumferencial direction of wheel hub 2, also be provided with between 6, two blades of a plurality of blades uniform, that shape is identical and leave the gap, these gaps are to be used for forming water channel.
Two ends of described each blade 6 are distributed on two unequal circumference all in the same manner; An end that is each blade is on small circumference, and the other end is on big circumference, as shown in Figure 1.
The end that each blade 6 is positioned at big circumference is a pump outlet 12; The formed oral area in end that each blade 6 is positioned at small circumference is communicated with pump intake 15 and thermostat backwater mouth 16.
Still as shown in Figure 1, described blade 6 with the axis normal section of water pump vane 1 on be shaped as arc; The bending direction of blade camber line is identical with the sense of rotation of impeller.In order to increase the water pump inlet velocity,, make the better effects if of centrifugal water dumping so Blade Design is in the arc-shaped.On this section, the arc of described blade 6 is at the tangent line of the end that is positioned at less circumference, with water pump vane 1 be blade inlet angle 7 at the angle of the radius of this position, promptly β 1; The arc of described blade 6 is at the tangent line that is positioned at than the end of big circumference, with water pump vane 1 be blade outlet angle 8 at the angle of the radius of this position, promptly β 2.
In order to solve the problem that exists at the described present known technology of this specification background technique part and to overcome its defective, realize improving water pump to the cooling effect of motor and make the goal of the invention of its compact structure, the technological scheme that the present invention takes is:
As shown in Figure 1, this water pump vane 1 provided by the present invention, the span of described β 1 and β 2 is: β 1 is 10 °～20 °; β 2 is 25 °～45 °.
Technique scheme, need not to increase under the prerequisite of engine water pump size, water pump vane is assembled on the water pump spindle, by changing the blade inlet angle β 1 and the inlet blade angle β 2 of impeller blade, improve the working efficiency of water pump, under the prerequisite that does not increase physical dimension and structural complexity, the cooling effect of water pump is improved.
Be further analysis below to blade inlet angle β 1 and inlet blade angle β 2:
Import excretion coefficient ε 1:
ε1＝3.14D1/3.14D1-ZS/sinβ1
Axial velocity:
V1r＝ε1Vor
Absolute velocity:
V1＝V1r
Peripheral velocity:
U1＝3.14*D1*n/60
Wherein, sine function is an increasing function between 0 °～90 °, so when β 1 is more little, the ε 1 that makes is big more, thereby V1r is increased, thereby the pump outlet capacity of water pump is increased.But β 1 is rule of thumb more than 10 °, below 20 °, promptly 10 °～20 °.If blade inlet angle 7 is too little, can make the flow velocity of ingress of water pump excessive, form low pressure easily at pump intake 15 places, so cause the cavitation erosion of water pump easily.
As for β 2, generally can be rule of thumb and result of experiment, in conjunction with different service conditions and structure, in 25 °～45 ° scope, select.
The present invention sums up following exemplifying embodiment according to the data that experiment is obtained, and selects to use when enforcement is of the present invention for those skilled in the art:
Embodiment one:
Described β 1 is 17 °～19 °; Described β 2 is 40 °～44 °.
The combination examples that can select is:
β1＝17°，β2＝44°；
β1＝17°，β2＝40°；
β1＝17°，β2＝42°；
β1＝19°，β2＝42°；
β1＝18°，β2＝44°；
β1＝18°，β2＝40°；
β1＝18°，β2＝42°
β1＝19°，β2＝40°；
β 1=19 °, β 2=44 °; Or the like.
During selection, determine the numerical value of β 1 and β 2 according to actual needs.
Embodiment two:
Further, making described β 1 is 18 °; Described β 2 is 42 °.This is a kind of selection scheme of the best, can adapt to the application under the different conditions.
Embodiment three:
Establish impeller front screen 3 and impeller backboard 4 on the water pump vane 1 of the present invention, described impeller front screen 3 and impeller backboard 4 be shaped as the approximate circle dish type coaxial with water pump vane 1; Be positioned at former and later two axial sides of water pump vane 1 on the described blade 6, connect as one with described impeller front screen 3 and impeller backboard 4 respectively.
Present embodiment is with open architecture of the prior art, changes the form of impeller, and the blade of water pump is distributed between two baffle plates, gap between water pump vane and the volute is required be not strictness so, has reduced the assemblage gap between water pump and the volute; This form is to calculate by formula to get.Distance size between water pump vane and the volute is not very big to the influence of the pump outlet capacity of water pump, has significantly reduced the narrow limitation that water pump is installed on motor like this;
Relatively more flexible with the layout of open type water pump on motor, thus the cooling effect of raising motor.
The water pump (comparing with traditional unshrouded impeller) that this impeller is installed has not only reduced the volume of volute, and then has reduced the volume of motor; Simultaneously also improved the water pumping efficiency of water pump, and then strengthened the cooling effect of motor, difficult problem has been installed on car load, improved the fuel economy and the power character of motor simultaneously thereby solved motor.
Embodiment four:
The quantity of blade 6 of the present invention is 7.This is the quantity according to the best blade of experiment acquisition.
Embodiment five:
The integrally-built material of water pump vane 1 of the present invention all adopts engineering plastics.Its objective is and under the prerequisite of the intensity that guarantees blade, reduce the weight of water pump.
Technique scheme and prior art have obvious and essential difference, so the present invention has outstanding substantive distinguishing features, and obtain remarkable progress in technology, and the value of promotion and application is arranged.So technological scheme provided by the invention has novelty, creativeness and practicability
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technological scheme carry out; or design of the present invention and technological scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (7)
1. water pump vane, comprise wheel hub (2) and be located at wheel hub (2) center, be used to install the impeller bore (5) of water pump vane (1), circumferencial direction along wheel hub (2), also be provided with a plurality of blades uniform, that shape is identical (6), two ends of described blade (6) are distributed on two unequal circumference; Described blade (6) with the axis normal section of water pump vane (1) on be shaped as arc; On this section, the arc of described blade (6) is at the tangent line of the end that is positioned at less circumference, with water pump vane (1) be blade inlet angle (7) at the angle of the radius of this position, promptly β 1; The arc of described blade (6) is at the tangent line that is positioned at than the end of big circumference, with water pump vane (1) be blade outlet angle (8) at the angle of the radius of this position, promptly β 2, it is characterized in that: described β 1 is 10 °～20 °; Described β 2 is 25 °～45 °.
2. according to the described water pump vane of claim 1, it is characterized in that: described β 1 is 17 °～19 °; Described β 2 is 40 °～44 °.
3. according to the described water pump vane of claim 2, it is characterized in that: described β 1 is 18 °; Described β 2 is 42 °.
4. according to claim 1 or 2 or 3 described water pump vanes, it is characterized in that: establish impeller front screen (3) and impeller backboard (4) on the described water pump vane (1), described impeller front screen (3) and impeller backboard (4) be shaped as the approximate circle dish type coaxial with water pump vane (1); Be positioned at former and later two axial sides of water pump vane (1) on the described blade (6), connect as one with described impeller front screen (3) and impeller backboard (4) respectively.
5. according to claim 1 or 2 or 3 described water pump vanes, it is characterized in that: the quantity of described blade (6) is 7.
6. according to the described water pump vane of claim 4, it is characterized in that: the quantity of described blade (6) is 7.
7. according to claim 1 or 2 or 3 or 6 described water pump vanes, it is characterized in that: the integrally-built material of described water pump vane (1) all adopts engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102121077A CN101368573B (en) | 2008-09-08 | 2008-09-08 | Water pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102121077A CN101368573B (en) | 2008-09-08 | 2008-09-08 | Water pump impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101368573A CN101368573A (en) | 2009-02-18 |
| CN101368573B true CN101368573B (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102121077A Active CN101368573B (en) | 2008-09-08 | 2008-09-08 | Water pump impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101368573B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277335A (en) * | 2013-06-03 | 2013-09-04 | 高邮市高农机械配件有限公司 | Semi-open impeller supercharge structure |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358039A (en) * | 2011-09-13 | 2012-02-22 | 太仓吉盈汽车饰件有限公司 | Vibration friction and welding assembly method for fuel cell engine plastic water pump |
| CN103758781A (en) * | 2013-07-31 | 2014-04-30 | 山东博丰利众化工有限公司 | Centrifugal circulating water pump of sulphur acid making device |
| CN105545798B (en) * | 2015-12-10 | 2018-01-05 | 武汉船用机械有限责任公司 | A kind of design method of hydraulic jet propulsion impeller of pump |
| CN106337837A (en) * | 2016-11-17 | 2017-01-18 | 安徽江淮汽车股份有限公司 | Water Pump Impeller and Water Pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5586863A (en) * | 1992-06-12 | 1996-12-24 | Metaullics Systems Co., L.P. | Molten metal pump with vaned impeller |
| CN2320827Y (en) * | 1997-01-29 | 1999-05-26 | 赖轩明 | High-efficiency centrifugal water pump vane |
| CN1338576A (en) * | 2001-03-19 | 2002-03-06 | 中国兵器工业第五三研究所 | Plastic blade sheel of water pump |
| US6676826B2 (en) * | 2000-11-30 | 2004-01-13 | Nuovo Pignone Holding S.P.A. | Method for production of a rotor for centrifugal compressors |
| CN1616830A (en) * | 2004-12-03 | 2005-05-18 | 清华大学 | Super small centrifugal pump impeller |
| CN200968313Y (en) * | 2006-08-30 | 2007-10-31 | 蚌埠市鑫键机械有限公司 | Fire-fighting pump |
-
2008
- 2008-09-08 CN CN2008102121077A patent/CN101368573B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5586863A (en) * | 1992-06-12 | 1996-12-24 | Metaullics Systems Co., L.P. | Molten metal pump with vaned impeller |
| CN2320827Y (en) * | 1997-01-29 | 1999-05-26 | 赖轩明 | High-efficiency centrifugal water pump vane |
| US6676826B2 (en) * | 2000-11-30 | 2004-01-13 | Nuovo Pignone Holding S.P.A. | Method for production of a rotor for centrifugal compressors |
| CN1338576A (en) * | 2001-03-19 | 2002-03-06 | 中国兵器工业第五三研究所 | Plastic blade sheel of water pump |
| CN1616830A (en) * | 2004-12-03 | 2005-05-18 | 清华大学 | Super small centrifugal pump impeller |
| CN200968313Y (en) * | 2006-08-30 | 2007-10-31 | 蚌埠市鑫键机械有限公司 | Fire-fighting pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277335A (en) * | 2013-06-03 | 2013-09-04 | 高邮市高农机械配件有限公司 | Semi-open impeller supercharge structure |
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| Publication number | Publication date |
|---|---|
| CN101368573A (en) | 2009-02-18 |
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Effective date of registration: 20201210 Address after: 246000 5th floor, building B1, Wanjiang high tech Incubation Park, economic development zone, Anqing City, Anhui Province Patentee after: Anqing flex Power Technology Co., Ltd Address before: 241009 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee before: CHERY AUTOMOBILE Co.,Ltd. |