CN115434950B - Water pump assembly - Google Patents
Water pump assembly Download PDFInfo
- Publication number
- CN115434950B CN115434950B CN202211216442.0A CN202211216442A CN115434950B CN 115434950 B CN115434950 B CN 115434950B CN 202211216442 A CN202211216442 A CN 202211216442A CN 115434950 B CN115434950 B CN 115434950B
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- China
- Prior art keywords
- water
- water pump
- water outlet
- outlet channel
- transverse
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 252
- 238000005086 pumping Methods 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a water pump assembly, which comprises a water pump body and a pump shell, wherein the transverse front end surface of the water pump body is inwards recessed to form a water pump cavity, the pump shell seals an opening of the water pump cavity, a power output shaft parallel to the transverse direction is rotatably supported on the pump shell, the transverse rear end of the power output shaft penetrates through the transverse front end surface of the pump shell and stretches into the water pump cavity, an impeller is fixed at the transverse rear end of the power output shaft, and the impeller is driven by the power output shaft to pump water in the water pump cavity according to a set flow direction; the water pump body is provided with a water outlet channel communicated with the water pump cavity, the water outlet channel is formed by outwards expanding an involute along the rotation circumferential direction of the impeller, and the water inlet end of the water outlet channel is positioned at the lower side of the axis of the power output shaft in the height direction; the defect that energy conversion is reduced such as the protruding, the turning of pump body inner wall, water pump outlet flow channel and two junction can be reduced, water pump efficiency is improved, energy loss is reduced, play the purpose that reduces the energy consumption.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a water pump assembly.
Background
The efficiency of the water pump is the percentage of the ratio between the effective power of the water pump and the shaft power, marks the effective degree of energy conversion of the water pump, is an important technical index of the water pump, and the higher the efficiency of the water pump is, the smaller the energy loss is when the water pump works, and the lower the energy consumption is; the efficiency of the existing water pump for mass production is about 40%, the efficiency is lower, the energy loss is larger when the water pump works, the energy consumption is larger, and the oil consumption of the corresponding engine is higher; the water pump has the advantages that the position of the water outlet flow passage part of the water pump and the inner wall surface of the pump body are not smooth and round, obvious corner structures exist, so that the energy loss is large when the water pump works, the actual efficiency of the actually measured water pump is lower than the calibrated efficiency, the energy consumption cannot be limited in a preset range, the energy loss is improved, and the energy consumption is increased intangibly.
Therefore, in order to solve the above problems, a water pump assembly is needed, which can reduce the defects of reducing energy conversion, such as protrusions, corners and the like at the inner wall of a pump body, a water outlet channel of the water pump and the joint of the inner wall and the water outlet channel of the water pump, improve the efficiency of the water pump, reduce the energy loss and achieve the purpose of reducing the energy consumption.
Disclosure of Invention
Therefore, the invention aims to overcome the defects in the prior art, provide the water pump assembly, reduce the defects of energy conversion, such as the inner wall of the pump body, the water outlet flow passage of the water pump, the bulges, corners and the like at the joint of the inner wall of the pump body and the water outlet flow passage of the water pump, improve the efficiency of the water pump, reduce the energy loss and achieve the purpose of reducing the energy consumption.
The water pump assembly comprises a water pump body and a pump shell, wherein the transverse front end surface of the water pump body is inwards recessed to form a water pump cavity, the pump shell seals an opening of the water pump cavity, a power output shaft parallel to the transverse direction is rotatably supported on the pump shell, the transverse rear end of the power output shaft penetrates through the transverse front end surface of the pump shell and stretches into the water pump cavity, an impeller is fixed at the transverse rear end of the power output shaft, and the impeller is driven by the power output shaft to pump water in the water pump cavity according to a set flow direction;
the water pump body is provided with a water outlet channel communicated with the water pump cavity, the water outlet channel is formed by outwards expanding an involute along the rotation circumference direction of the impeller, and the water inlet end of the water outlet channel is positioned at the lower side of the axis of the power output shaft in the height direction.
Further, the water outlet end of the water outlet channel is positioned at the longitudinal inner end surface of the water pump body.
Further, the water outlet channel is in a horn shape with the water outlet caliber gradually increasing along the direction from the water inlet end to the water outlet end.
Further, the water outlet channel is inclined outwards and backwards in the transverse direction, so that the water outlet channel and the rotating plane of the impeller form a set angle alpha, and the value of the set angle alpha is 30 degrees less than alpha less than 40 degrees.
Further, the rotation plane of the impeller is perpendicular to the transverse direction, and the water outlet channel and the rotation plane of the impeller form a set angle alpha, and the value of the set angle alpha is 37 degrees.
Further, a water inlet of the water pumping cavity communicated with the transverse tail end of the water pumping cavity is further formed in the water pump body.
Further, the water inlet of the water pumping cavity is positioned on the upper side of the axis of the power output shaft.
Further, a bypass water channel communicated with the water outlet channel is further formed in the water pump body, and the water inlet end of the bypass water channel is close to the water inlet end of the water outlet channel.
Further, the bypass water channel is arranged in parallel with the transverse direction, and the water outlet end of the bypass water channel is positioned on the transverse rear end face of the water pump body.
Further, the water pump body is provided with a reinforcing rib, and the reinforcing rib is provided with an arc surface bent from the transverse front end surface of the water pump body towards the longitudinal inner end surface of the water pump body.
The beneficial effects of the invention are as follows: the invention discloses a water pump assembly, which is characterized in that a water pump body and a pump shell are adopted, the transverse front end surface of the water pump body is inwards recessed to form a water pump cavity, the pump shell seals an opening of the water pump cavity, a power output shaft parallel to the transverse direction is rotatably supported on the pump shell, the transverse rear end of the power output shaft penetrates through the transverse front end surface of the pump shell and stretches into the water pump cavity, an impeller is fixed at the transverse rear end of the power output shaft, and the impeller is driven by the power output shaft to pump water in the water pump cavity according to a set flow direction; the water pump body is provided with a water outlet channel communicated with the water pump cavity, the water outlet channel is formed by outwards expanding an involute along the rotation circumference direction of the impeller, and the water inlet end of the water outlet channel is positioned at the lower side of the axis of the power output shaft in the height direction. The involute type water outlet channel is different from a direct-cut water outlet channel and a side-cut water outlet channel in the prior art, so that the smoothness of water outlet of a water pump cavity in a water pump is optimized, the corner type structure stored in an inner cavity is reduced, the efficiency of the water pump is improved, the defects of energy conversion reduction caused by the inner wall of a pump body, a water outlet channel of the water pump, bulges, corners and the like at the joint of the inner wall of the pump body and the water outlet channel of the water pump can be reduced, the efficiency of the water pump is improved, the energy loss is reduced, and the purpose of reducing energy consumption is achieved; the water inlet end of the water outlet channel is positioned at the lower side of the axis of the power output shaft in the height direction, so that the water flow efficiency is further improved.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the water pump body of the present invention;
FIG. 3 is a schematic diagram of a front view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic side view of the present invention;
fig. 6 is a schematic view of the internal structure of the water outlet channel and the pump water cavity of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, as shown in the drawing, the transverse direction is the length direction of the water pump body, the front corresponds to one side close to the pump shell, the rear is opposite to the front in the transverse direction, the longitudinal direction is the length direction of the water pump body, the inner corresponds to one side close to the water outlet end of the water outlet channel, the outer corresponds to one side opposite to the inner in the longitudinal direction, the water pump assembly in this embodiment includes the water pump body 1 and the pump shell 2, the transverse front end surface of the water pump body 1 is recessed inwards to form a water pump cavity 3, the pump shell 2 seals the opening of the water pump cavity 3, the pump shell 2 is rotatably supported with a power output shaft 5 parallel to the transverse direction, the transverse rear end of the power output shaft 5 is penetrated into the water pump cavity 3 on the transverse front end surface of the pump shell 2, the transverse rear end of the power output shaft 5 is fixed with an impeller, and the impeller is driven by the power output shaft 5 to pump water in the water pump cavity 3 according to a predetermined flow direction; of course, the water pump assembly should further include an output system connected to the power output shaft, so as to form a complete water pump system, which is not described herein, the water pump body 1 is provided with a water outlet channel 4 connected to the water pump cavity 3, the water outlet channel 4 is formed by expanding outwards in an involute manner along the rotation circumference direction of the impeller, and the water inlet end of the water outlet channel 4 is located at the lower side of the axis of the power output shaft in the height direction. The involute type water outlet channel 4 is different from the direct-cut type water outlet channel 4 and the side-cut type water outlet channel 4 in the prior art, so that the water outlet smoothness of the water pump cavity 3 in the water pump is optimized, the corner type structure stored in the internal cavity is reduced, the efficiency of the water pump is improved, the defects of energy conversion reduction caused by the inner wall of the pump body, the water outlet channel of the water pump, the bulges, corners and the like at the joint of the inner wall of the pump body and the water outlet channel of the water pump can be reduced, the efficiency of the water pump is improved, the energy loss is reduced, and the purpose of reducing the energy consumption is achieved; the water inlet end of the water outlet channel 4 is positioned at the lower side of the axis of the power output shaft in the height direction, so that the water flow efficiency is further improved.
In this embodiment, the water outlet end of the water outlet channel 4 is located at the longitudinal inner end surface of the water pump body1. So that the water outlet channel 4 has the function of accelerating water flow.
In this embodiment, the water outlet channel 4 is in a horn shape with a water outlet caliber gradually increasing along the direction from the water inlet end to the water outlet end. The horn-shaped structure can control the pump water flow and the flow rate, and the pump water requirement of a sufficient amount is met.
In this embodiment, the water outlet channel 4 is inclined obliquely and outwards along the transverse direction, so that the water outlet channel 4 and the rotation plane of the impeller form a set angle α, and the value of the set angle α is 30 ° < α < 40 °.
In this embodiment, the rotation plane of the impeller is perpendicular to the transverse direction, and the outlet channel 4 and the rotation plane of the impeller have a value of 37 ° with a set angle α. The volume of the cavity of the water storage cavity is increased, the flow rate of water in the water outlet channel 4 is increased, and the water pumping efficiency is improved.
In this embodiment, the water pump body 1 is further provided with a water inlet 6 of the water pump cavity communicated with the transverse end of the water pump cavity 3. The water inlet is positioned at the transverse tail end of the water pump body 1, so that the water volume in the water pumping cavity 3 is further improved, the problem of water retention is solved, and the water pumping efficiency is improved.
In this embodiment, the water inlet 6 of the pumping chamber is located at the upper side of the axis of the power output shaft. Further improving the pumping efficiency.
In this embodiment, the water pump body 1 is further provided with a bypass water channel 7 that is communicated with the water outlet channel 4, and the water inlet end of the bypass water channel 7 is disposed near the water inlet end of the water outlet channel 4. The arrangement of the bypass water channel 7 enables water supply requirements of the EGR mixing valve to be met, meanwhile, the water inlet end of the bypass water channel 7 is close to the water inlet end of the water outlet channel 4, water supply effectiveness of the EGR mixing valve is improved, water outlet of the water outlet channel 4 is not affected, or water outlet of the water outlet channel 4 is affected less, and versatility of the water pump assembly is met.
In this embodiment, the bypass water channel 7 is arranged parallel to the transverse direction, and the water outlet end of the bypass water channel 7 is located at the transverse rear end surface of the water pump body 1. Further shortening the water flow path of the bypass water channel 7, reducing the water flow resistance and improving the water pumping efficiency of the EGR.
In this embodiment, the water pump body 1 is provided with a reinforcing rib 9, and the reinforcing rib 9 has an arc surface bent from the transverse front end surface of the water pump body 1 toward the longitudinal inner end surface of the water pump body 1. The structural strength of the water pump body 1 is improved, the water pumping requirement is met, and particularly the reinforcing ribs 9 are approximately parallel to the water pumping direction of the water flow, and the requirement of the structural strength of the water pump body 1 is further met.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (6)
1. A water pump assembly, characterized in that: the water pump comprises a water pump body and a pump shell, wherein the transverse front end surface of the water pump body is inwards recessed to form a water pumping cavity, the pump shell seals an opening of the water pumping cavity, a power output shaft parallel to the transverse direction is rotatably supported on the pump shell, the transverse rear end of the power output shaft penetrates through the transverse front end surface of the pump shell and stretches into the water pumping cavity, an impeller is fixed at the transverse rear end of the power output shaft, and the impeller is driven by the power output shaft to pump water in the water pumping cavity according to a set flow direction;
The water pump body is provided with a water outlet channel communicated with the water pump cavity, the water outlet channel is formed by outwards expanding an involute along the rotation circumferential direction of the impeller, and the water inlet end of the water outlet channel is positioned at the lower side of the axis of the power output shaft in the height direction;
the water outlet channel is in a horn shape with a water outlet caliber gradually increasing along the direction from the water inlet end to the water outlet end;
The water outlet channel is inclined outwards and backwards in the transverse direction, so that the water outlet channel and the rotating plane of the impeller form a set angle alpha, and the value of the set angle alpha is more than 30 degrees and less than 40 degrees;
The water pump body is also provided with a water inlet of the water pumping cavity communicated with the transverse tail end of the water pumping cavity;
The water inlet of the water pumping cavity is positioned at the upper side of the axis of the power output shaft.
2. The water pump assembly of claim 1, wherein: the water outlet end of the water outlet channel is positioned at the longitudinal inner end surface of the water pump body.
3. The water pump assembly of claim 1, wherein: the rotation plane of the impeller is perpendicular to the transverse direction, and the water outlet channel and the rotation plane of the impeller form a set angle alpha, and the value of the set angle alpha is 37 degrees.
4. The water pump assembly of claim 1, wherein: the water pump body is also provided with a bypass water channel communicated with the water outlet channel, and the water inlet end of the bypass water channel is close to the water inlet end of the water outlet channel.
5. The water pump assembly of claim 4, wherein: the bypass water channel is parallel to the transverse arrangement, and the water outlet end of the bypass water channel is positioned on the transverse rear end face of the water pump body.
6. The water pump assembly of claim 2, wherein: the water pump body is provided with a reinforcing rib, and the reinforcing rib is provided with an arc surface bent from the transverse front end surface of the water pump body towards the longitudinal inner end surface of the water pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216442.0A CN115434950B (en) | 2022-09-30 | 2022-09-30 | Water pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211216442.0A CN115434950B (en) | 2022-09-30 | 2022-09-30 | Water pump assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115434950A CN115434950A (en) | 2022-12-06 |
| CN115434950B true CN115434950B (en) | 2024-07-30 |
Family
ID=84251782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211216442.0A Active CN115434950B (en) | 2022-09-30 | 2022-09-30 | Water pump assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN115434950B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05195995A (en) * | 1991-11-05 | 1993-08-06 | Nippondenso Co Ltd | Centrifugal fan |
| CN206017267U (en) * | 2016-08-23 | 2017-03-15 | 重庆凯特动力科技有限公司 | Engine water pump |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4141590C2 (en) * | 1991-12-17 | 1994-05-11 | Hans Kohl | Blower for conveying gaseous media |
| JP5633193B2 (en) * | 2010-05-27 | 2014-12-03 | アイシン精機株式会社 | Water pump |
| CN103375409B (en) * | 2013-07-08 | 2016-08-10 | 江苏华阳电器有限公司 | Solar water heater anti-freezing water pump |
| CN105874214B (en) * | 2013-12-27 | 2018-10-02 | 日立汽车系统株式会社 | The manufacturing method of water pump and the water pump |
| JP6637773B2 (en) * | 2016-01-27 | 2020-01-29 | 株式会社川本製作所 | Pump casing and pump device |
| CN110005617B (en) * | 2019-04-19 | 2024-07-19 | 台州谱罗顿机电有限公司 | Intelligent centrifugal pump |
| CN211343491U (en) * | 2019-11-16 | 2020-08-25 | 中山市瑞吉浦电气有限公司 | Water activating pump cover with water outlet flow guide channel and water activating pump |
| CN214998450U (en) * | 2020-12-31 | 2021-12-03 | 宁波方太厨具有限公司 | Water pump volute for cleaning machine |
-
2022
- 2022-09-30 CN CN202211216442.0A patent/CN115434950B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05195995A (en) * | 1991-11-05 | 1993-08-06 | Nippondenso Co Ltd | Centrifugal fan |
| CN206017267U (en) * | 2016-08-23 | 2017-03-15 | 重庆凯特动力科技有限公司 | Engine water pump |
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| Publication number | Publication date |
|---|---|
| CN115434950A (en) | 2022-12-06 |
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