CN214196517U - Impeller of high-performance brushless electric fuel pump - Google Patents
Impeller of high-performance brushless electric fuel pump Download PDFInfo
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- CN214196517U CN214196517U CN202023004391.4U CN202023004391U CN214196517U CN 214196517 U CN214196517 U CN 214196517U CN 202023004391 U CN202023004391 U CN 202023004391U CN 214196517 U CN214196517 U CN 214196517U
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- impeller
- blade
- fuel pump
- main part
- groove
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Abstract
The utility model relates to a fuel pump technical field, in particular to impeller of brushless electronic fuel pump of high performance, including the impeller main part, impeller main part center is equipped with the motor mounting hole, and impeller main part terminal surface is equipped with two annular blade grooves, and the blade groove sets up with one heart, is equipped with a plurality of blades that are circumference form and distribute in the blade groove, and the blade includes first blade body and second blade body, and the contained angle of first blade body and second blade body is 120, and the two thickness is 0.2 millimeter, and the side of impeller main part is equipped with the second blade groove, is equipped with a plurality of blades that are circumference form and distribute in the second blade groove, the beneficial effects of the utility model are that: the efficiency of the fuel pump is improved, the energy consumption is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to a fuel pump technical field, concretely relates to impeller of brushless electronic fuel pump of high performance.
Background
Electric fuel pumps function as a means of continuously pumping fuel from a fuel tank to provide a fuel system with a specified pressure and flow rate, and their performance can directly affect the performance of the engine, and generally include a motor and impeller assembly. The blade of impeller adopts circumference partition distribution and is mostly the linear type among the impeller subassembly, and the velocity of flow of fuel flow through the impeller has greatly increased the flow and has swamped and loss of pressure, and the increase of swamping has improved the production of fuel steam to reduced fuel pump efficiency, simultaneously because the existence of manufacturing accuracy, the impeller is installed in the pipeline, and the fuel pump during operation can cause the fuel side leakage of certain degree, has reduced the performance of fuel pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art, provide a high performance brushless electric fuel pump's impeller, improve fuel pump efficiency, reduce the energy consumption, increase of service life.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an impeller of brushless electronic fuel pump of high performance, includes impeller main part, impeller main part center is equipped with motor mounting hole, its characterized in that: impeller main part terminal surface is equipped with two annular blade grooves, the blade groove sets up with one heart, be equipped with a plurality of blades that are circumference form and distribute in the blade groove, the blade includes first blade body and second blade body, the contained angle of first blade body and second blade body is 120, and the two thickness is 0.2 millimeter, the side of impeller main part is equipped with the second blade groove, be equipped with a plurality of blades that are circumference form and distribute in the second blade groove.
The utility model has the characteristics as above: an included angle is formed between the first blade body and the second blade body instead of a linear type, so that the flow of the fuel pump is increased, and the efficiency of the fuel pump is improved under the same condition; the two blade grooves are formed in the impeller main body, so that the oil passing amount is increased, and the efficiency of the fuel pump is improved; because the manufacturing accuracy often can have the error, the impeller is installed in the pipeline, and the fuel pump during operation can cause the fuel side leakage of certain degree, sets up the second blade groove through the side at impeller main part, prevents that the fuel pump from revealing at the pipeline gap at the during operation fuel, improves the wholeness ability of fuel pump, increase of service life.
The utility model discloses further setting is: the impeller is characterized in that an annular oil groove is formed in the end face of the impeller main body, close to the motor mounting hole, a plurality of oil holes and protruding points which are distributed circumferentially are arranged in the oil groove, the oil holes and the protruding points are arranged in a staggered mode, and the top faces of the protruding points are flush with the end face of the impeller main body.
The utility model has the characteristics as above: the oil groove structure and the simple process that set up, fuel storage has played supplementary lubricated effect in the oil groove, and the setting up of oilhole makes the pressure that impeller main part both sides formed keep unanimous, avoids the one-way wearing and tearing of impeller, improves the efficiency of fuel pump.
The utility model discloses further setting is: the included angles formed between two adjacent blades are different, and the angle difference between two adjacent included angles is 0.6-1.2 degrees.
The utility model has the characteristics as above: the blades are arranged in the blade grooves in an unequal mode, blade turbulence is formed in the rotating process of the blades, and a plurality of sine wave curve wave crests and wave troughs formed by airflow are overlapped in a missing mode, so that noise can be effectively reduced.
The utility model discloses further setting is: the inner wall of one side of the blade groove close to the motor mounting hole is provided with an arc surface with the radius of 2.5 mm, and the inner wall of one side of the blade groove far away from the motor mounting hole is provided with an arc surface with the radius of 3.9 mm.
The utility model has the characteristics as above: the inner walls of two sides of the blade groove are respectively provided with cambered surfaces with different radiuses, so that the speed and the flow during oil inlet and oil outlet are different, the physical wave crest and wave trough interference reduction effect is generated, the noise of a fuel pump during working is reduced, meanwhile, the cambered surfaces are arranged to enable fuel to enter more smoothly, the turbulence phenomenon is reduced, the oil passing efficiency of the impeller is improved, and the working performance of the impeller is improved.
The utility model discloses further setting is: the impeller is made of glass fiber reinforced polyphenylene sulfide.
The utility model has the characteristics as above: the inner walls of two sides of the blade groove are respectively provided with cambered surfaces with different radiuses, so that the speed and the flow during oil inlet and oil outlet are different, the physical wave crest and wave trough interference reduction effect is generated, the noise of a fuel pump during working is reduced, meanwhile, the cambered surfaces are arranged to enable fuel to enter more smoothly, the turbulence phenomenon is reduced, the oil passing efficiency of the impeller is improved, and the working performance of the impeller is improved.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a perspective view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view a-a of fig. 1.
Fig. 4 is a cross-sectional view of B-B in fig. 1.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
As shown in fig. 1-4, an impeller of a high-performance brushless electric fuel pump is made of glass fiber reinforced polyphenylene sulfide, and includes an impeller main body 1, a motor mounting hole 11 is formed in the center of the impeller main body 1, two annular blade grooves 2 are formed in the end face of the impeller main body 1, the blade grooves 2 are concentrically arranged, a plurality of blades 3 distributed in a circumferential manner are arranged in the blade grooves 2, each blade 3 includes a first blade body 31 and a second blade body 32, the included angle between the first blade body 31 and the second blade body 32 is 120 °, the thickness of the first blade body and the thickness of the second blade body are 0.2 mm, a second blade groove 4 is formed in the side face of the impeller main body 1, and a plurality of blades 3 distributed in a circumferential manner are arranged in the second blade groove 4.
The end face of the impeller main body 1 is provided with an annular oil groove 5 close to the motor mounting hole 11, a plurality of oil holes 6 and salient points 7 distributed circumferentially are arranged in the oil groove 5, the oil holes 6 and the salient points 7 are arranged in a staggered mode, and the top faces of the salient points 7 are flush with the end face of the impeller main body 1.
The included angles alpha formed between two adjacent blades 3 are different, and the angle difference between two adjacent included angles alpha is 0.6-1.2 degrees.
An arc surface R1 with the radius of 2.5 mm is arranged on the inner wall of one side of the blade groove 2 close to the motor mounting hole 11, and an arc surface R2 with the radius of 3.9 mm is arranged on the inner wall of one side of the blade groove 2 far away from the motor mounting hole 11.
Claims (5)
1. The utility model provides an impeller of brushless electronic fuel pump of high performance, includes impeller main part, impeller main part center is equipped with motor mounting hole, its characterized in that: impeller main part terminal surface is equipped with two annular blade grooves, the blade groove sets up with one heart, be equipped with a plurality of blades that are circumference form and distribute in the blade groove, the blade includes first blade body and second blade body, the contained angle of first blade body and second blade body is 120, and the two thickness is 0.2 millimeter, the side of impeller main part is equipped with the second blade groove, be equipped with a plurality of blades that are circumference form and distribute in the second blade groove.
2. The impeller of a high performance brushless electric fuel pump of claim 1, wherein: the impeller is characterized in that an annular oil groove is formed in the end face of the impeller main body, close to the motor mounting hole, a plurality of oil holes and protruding points which are distributed circumferentially are arranged in the oil groove, the oil holes and the protruding points are arranged in a staggered mode, and the top faces of the protruding points are flush with the end face of the impeller main body.
3. The impeller of a high performance brushless electric fuel pump of claim 1 or 2, wherein: the included angles formed between two adjacent blades are different, and the angle difference between two adjacent included angles is 0.6-1.2 degrees.
4. The impeller of a high performance brushless electric fuel pump of claim 3, wherein: the inner wall of one side of the blade groove close to the motor mounting hole is provided with an arc surface with the radius of 2.5 mm, and the inner wall of one side of the blade groove far away from the motor mounting hole is provided with an arc surface with the radius of 3.9 mm.
5. The impeller of a high performance brushless electric fuel pump of claim 1, wherein: the impeller is made of glass fiber reinforced polyphenylene sulfide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023004391.4U CN214196517U (en) | 2020-12-14 | 2020-12-14 | Impeller of high-performance brushless electric fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023004391.4U CN214196517U (en) | 2020-12-14 | 2020-12-14 | Impeller of high-performance brushless electric fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214196517U true CN214196517U (en) | 2021-09-14 |
Family
ID=77652486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023004391.4U Active CN214196517U (en) | 2020-12-14 | 2020-12-14 | Impeller of high-performance brushless electric fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214196517U (en) |
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2020
- 2020-12-14 CN CN202023004391.4U patent/CN214196517U/en active Active
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