CN219587794U - Pump shell stator assembly and electronic water pump using same - Google Patents
Pump shell stator assembly and electronic water pump using same Download PDFInfo
- Publication number
- CN219587794U CN219587794U CN202321261302.5U CN202321261302U CN219587794U CN 219587794 U CN219587794 U CN 219587794U CN 202321261302 U CN202321261302 U CN 202321261302U CN 219587794 U CN219587794 U CN 219587794U
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- China
- Prior art keywords
- pump
- stator assembly
- pump housing
- electronic water
- assembly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 238000010079 rubber tapping Methods 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The utility model discloses a pump shell stator assembly and an electronic water pump using the same, and relates to the technical field of electronic water pumps and parts thereof. The utility model mainly solves the problem that the matching structure of the stator assembly and the pump shell in the prior art is complex; the utility model provides an integrated structure for the stator assembly and the pump shell body, thereby improving the integration and integration degree of the electronic water pump, reducing the assembly difficulty of each part and avoiding the influence caused by poor assembly or assembly errors; the plastic material of the pump shell body can fill all gaps of the stator assembly, has good heat conduction performance, can effectively dissipate heat of the stator assembly, and ensures working stability of the stator assembly.
Description
Technical Field
The utility model relates to the technical field of electronic water pumps and parts thereof, in particular to a pump shell stator assembly and an electronic water pump using the same.
Background
The electronic water pump has higher output efficiency and can realize accurate flow control, so that the electronic water pump is widely applied to automobiles, household appliances and industrial equipment, and especially, a new energy automobile is generally provided with two or more electronic water pumps, the electronic water pumps are power sources of the whole cooling system of the new energy automobile, and power batteries, driving motors and the like of the new energy automobile all need to drive cooling liquid to be cooled circularly by means of the electronic water pumps.
The stator assembly is one of important parts of the electronic water pump, after the stator assembly is electrified, a rotating magnetic field can be generated in the inner ring of the stator assembly, the rotor assembly of the electronic water pump is driven to rotate through magnetic coupling of the rotating magnetic field, the impeller on the rotor assembly also rotates along with the main body of the rotor assembly, and water flow can be driven to run through the impeller in rotation, so that the body function of the electronic water pump is realized.
In the prior art, the stator assembly is usually loaded in the pump shell of the electronic water pump and needs to be fixed in the pump shell in a mode of buckling, screwing, glue filling and the like, and meanwhile, as the heat productivity of the stator assembly is large, the heat dissipation of the stator assembly needs to be considered at the same time.
In summary, the stator assembly in the prior art has a complex structure matched with the pump casing, and meanwhile, the assembly process requirement with the pump casing is high, which results in the problem of high cost of the electronic water pump.
Disclosure of Invention
The utility model aims to provide a pump shell stator assembly and an electronic water pump using the same, and provides an integrated structure for a stator assembly and a pump shell body.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a pump housing stator assembly includes a stator assembly and a pump housing body; the pump housing body is over-molded outside the stator assembly such that at least a portion of the stator assembly is embedded within the pump housing body.
In the above technical solution, one end of the pump housing body forms a pump cover connecting portion adapted to connect with a pump cover of the electronic water pump, and the other end of the pump housing body forms an end cover connecting portion adapted to connect with an end cover of the electronic water pump.
In the above technical scheme, a plurality of pump cover screw seats are arranged on the pump cover connecting part, and a plurality of end cover screw seats are arranged on the end cover connecting part.
In the above technical solution, the inner cavity of the pump housing body forms a rotor chamber suitable for accommodating a rotor assembly of the electronic water pump, and the rotor chamber is located in an inner ring of the stator assembly.
In the above technical scheme, an annular shielding cover is arranged/formed in the rotor chamber of the pump shell body in a penetrating way, and the outer wall of the shielding cover is abutted against the inner wall of the rotor chamber of the pump shell body.
In the above technical scheme, the stator assembly comprises a stator bracket, a coil wound on the stator bracket, and a plurality of terminals fixed on the stator bracket and electrically connected with the coil.
In the above technical solution, the stator bracket and the coil of the stator assembly are embedded in the pump housing body, and at least a portion of the terminal is exposed to the pump housing body.
In the above technical solution, the pump housing body forms a terminal retention rib at a position where the terminal of the stator assembly is penetrated.
In the above technical scheme, the pump shell stator assembly of the utility model further comprises a mounting base, wherein a mounting guide rail is formed on the mounting base; a mounting guide rail groove matched with the mounting guide rail of the mounting base is formed on the side surface of the pump shell body; the mounting guide rail of the mounting base is inserted into the mounting guide rail groove of the pump shell body.
An electronic water pump includes the pump housing stator assembly described above.
Compared with the prior art, the utility model has the beneficial effects that: according to the pump shell stator assembly and the electronic water pump using the same, the pump shell body is formed outside the stator assembly in an overmoulding mode, and an integrated structure is provided for the stator assembly and the pump shell body, so that the integration degree of the electronic water pump is improved, the assembly difficulty of each part is reduced, and the influence caused by poor assembly or assembly errors is avoided; the plastic material of the pump shell body can fill all gaps of the stator assembly, has good heat conduction performance, can effectively dissipate heat of the stator assembly, and ensures working stability of the stator assembly.
Drawings
Fig. 1 is one of the perspective views of the present utility model.
Fig. 2 is a second perspective view of the present utility model.
Fig. 3 is an exploded view of the present utility model.
Fig. 4 is a cross-sectional view of the present utility model.
Fig. 5 is a structural view of the stator assembly of the present utility model.
The reference numerals are: 1. a stator assembly; 11. a stator support; 12. a coil; 13. a terminal; 2. a pump housing body; 21. a shield; 22. a rotor chamber; 23. a pump cover connection part; 231. pump cover screw seat; 24. an end cap connection portion; 241. an end cover screw seat; 25. installing a guide rail groove; 26. a terminal retention rib; 3. a mounting base; 31. and (5) installing a guide rail.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides a pump shell stator assembly which is used for forming a shell and a stator assembly of an electronic water pump so as to provide a structural foundation and a functional foundation for the electronic water pump.
Referring to fig. 1-5, the pump housing stator assembly of the present embodiment includes a stator assembly 1 and a pump housing body 2, wherein the stator assembly 1 can be used for generating a rotating magnetic field to drive a rotor assembly of an electronic water pump to rotate, and the pump housing body 2 can be used for forming a housing of the electronic water pump to provide a structural foundation for the electronic water pump.
The pump casing body 2 is over-molded outside the stator assembly 1 such that at least a portion of the stator assembly 1 is embedded in the pump casing body 2.
Referring to fig. 5, specifically, the stator assembly 1 includes a stator frame 11, a coil 12 wound on the stator frame 11, and a plurality of terminals 13 fixed on the stator frame 11 and electrically connected to the coil 12; the stator support 11 is a circular ring-shaped support made of engineering plastic, the coil 12 is an electromagnetic coil formed by winding a plurality of turns of enameled wires on the stator support 11, the terminals 13 are spliced and fixed on the stator support 11, and each terminal 13 is electrically connected with the coil 12 according to polarity; when the coil 12 is energized through the terminal 13, a rotating magnetic field can be generated in the inner ring of the stator assembly 1.
More specifically, the stator frame 11 and the coil 12 of the stator assembly 1 are buried in the pump casing body 2, and at least a portion of the terminal 13 is exposed to the pump casing body 2.
After the pump housing body 2 has been formed, the inner cavity of the pump housing body 2 forms a rotor chamber 22 suitable for the housing of a rotor assembly of an electronic water pump, which rotor chamber 22 is in fact a cylindrical cavity, and the rotor chamber 22 is located in the inner ring of the stator assembly 1.
Further, an annular shield 21 is formed in the rotor chamber 22 of the pump housing body 2, the outer wall of the shield 21 abuts against the inner wall of the rotor chamber 22 of the pump housing body 2, and in practice, the shield 21 is made of a material allowing the passage of a magnetic field, such as a plastic material, or a stainless steel material which is heat treated to achieve micro magnetic permeability, one end surface of the shield 21 is fixed to the pump housing body 2, and the other end surface of the shield 21 is used to cooperate with an end cover to achieve sealing of the rotor chamber 22.
In other possible embodiments, the shield 21 is provided as a part of the surface of the pump housing body 2 and the stator assembly 1 that is secondarily overmolded, so that the shield 21 is integrally formed with the pump housing body 2, and also the inner wall of the rotor chamber 22 and the stator assembly 1 can be shielded.
Further, the pump housing body 2 forms a terminal retaining rib 26 at a position where the terminal 13 of the stator assembly 1 is penetrated.
In the present embodiment, the terminal 13 is penetrated from the end face of the pump housing body 2 so as to be connected to a control circuit board provided on the end face of the pump housing body 2; the terminal retention rib 26 is a rib position pulled up from the end face of the pump housing body 2, and is integrally formed with the pump housing body 2, and the terminal retention rib 26 is provided to cover the root of the terminal 13, thereby avoiding deformation of the terminal 13 to some extent.
Further, one end of the pump housing body 2 is formed with a pump cover connection portion 23 adapted to be connected to a pump cover of the electronic water pump, and in practice, the pump cover connection portion 23 is matched with the pump cover shape of the electronic water pump, adapted to achieve the butt joint of the pump housing body 2 and the pump cover; the other end of the pump housing body 2 forms an end cap connection portion 24 adapted to connect with an end cap of an electronic water pump, and in practice, the end cap connection portion 24 is matched with the shape of the end cap of the electronic water pump, and is adapted to achieve the butt joint of the pump housing body 2 and the end cap.
More specifically, the pump cover connecting portion 23 is provided with a plurality of pump cover screw seats 231, in some possible embodiments, the pump cover screw seats 231 are nuts embedded in the pump cover connecting portion 23, in other possible embodiments, the pump cover screw seats 231 are self-tapping screw holes on the surface of the pump cover connecting portion 23, the end cover connecting portion 24 is provided with a plurality of end cover screw seats 241, in some possible embodiments, the end cover screw seats 241 are nuts embedded in the end cover connecting portion 24, in other possible embodiments, the end cover screw seats 241 are self-tapping screw holes on the surface of the end cover connecting portion 24, so that the pump housing body 2 is mutually fixed with the pump cover and the end cover of the electronic water pump respectively.
Further, the pump casing stator assembly of the embodiment further comprises a mounting base 3, wherein the mounting base 3 is one of an engineering plastic base, a flexible rubber plastic base and a metal base which are integrally formed; a mounting guide rail 31 is formed on the mounting base 3, and the mounting guide rail 31 is integrally formed on the mounting base 3; a mounting guide rail groove 25 matched with the mounting guide rail 31 of the mounting base 3 is formed on the side surface of the pump shell body 2, and the mounting guide rail groove 25 is integrally formed on the pump shell body 2; the mounting guide rail 31 of the mounting base 3 is inserted into the mounting guide rail groove 25 of the pump housing body 2, so that the fixed mounting of the electronic water pump is facilitated.
In the manufacturing process of the pump casing stator assembly of this embodiment, the stator assembly 1 is assembled, optionally, nuts forming the pump cover screw seat 231 and the end cover screw seat 241, and the stator assembly 1 are integrally placed into a forming mold of the pump casing body 2, then thermosetting plastic is injected into the forming mold, and after the thermosetting plastic is cured, the pump casing body 2 is formed, at this time, the stator assembly 1, the pump cover screw seat 231 and the end cover screw seat 241 are all integrally formed with the pump casing body 2; finally, self-tapping screw holes are optionally machined in the pump cap connection portion 23 and the end cap connection portion 24, respectively, to form a pump cap screw seat 231 and an end cap screw seat 241.
The embodiment also provides an electronic water pump, which comprises the pump shell stator assembly.
According to the pump shell stator assembly and the electronic water pump using the same, the pump shell body 2 is formed outside the stator assembly 1 in an over-molding mode, and an integrated structure is provided for the stator assembly 1 and the pump shell body 2, so that the integration and integration degree of the electronic water pump is improved, the assembly difficulty of each part is reduced, and the influence caused by poor assembly or assembly errors is avoided; the plastic material of the pump shell body 2 can fill all gaps of the stator assembly 1, has good heat conduction performance, can effectively dissipate heat of the stator assembly 1, and ensures working stability of the stator assembly 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A pump housing stator assembly includes a stator assembly and a pump housing body; it is characterized in that the method comprises the steps of,
the pump housing body is over-molded outside the stator assembly such that at least a portion of the stator assembly is embedded within the pump housing body.
2. The pump housing stator assembly of claim 1, wherein: one end of the pump shell body forms a pump cover connecting part suitable for connecting a pump cover of the electronic water pump, and the other end of the pump shell body forms an end cover connecting part suitable for connecting an end cover of the electronic water pump.
3. The pump housing stator assembly of claim 2, wherein: the pump cover connecting part is provided with a plurality of pump cover screw seats, and the end cover connecting part is provided with a plurality of end cover screw seats.
4. The pump housing stator assembly of claim 2, wherein: the inner cavity of the pump shell body forms a rotor chamber suitable for accommodating a rotor assembly of an electronic water pump, and the rotor chamber is positioned in an inner ring of the stator assembly.
5. The pump housing stator assembly of claim 4, wherein: an annular shielding cover is arranged/formed in the rotor chamber of the pump shell body in a penetrating way, and the outer wall of the shielding cover is abutted against the inner wall of the rotor chamber of the pump shell body.
6. The pump housing stator assembly of claim 1, wherein: the stator assembly comprises a stator bracket, a coil wound on the stator bracket and a plurality of terminals fixed on the stator bracket and electrically connected with the coil.
7. The pump housing stator assembly of claim 6, wherein: the stator support and the coil of the stator assembly are buried in the pump housing body, and at least a portion of the terminal is exposed to the pump housing body.
8. The pump housing stator assembly of claim 7, wherein: the pump housing body forms a terminal retention rib at a location where a terminal of the stator assembly is penetrated.
9. The pump housing stator assembly of claim 1, wherein: the device also comprises a mounting base, wherein a mounting guide rail is formed on the mounting base;
a mounting guide rail groove matched with the mounting guide rail of the mounting base is formed on the side surface of the pump shell body;
the mounting guide rail of the mounting base is inserted into the mounting guide rail groove of the pump shell body.
10. An electronic water pump comprising the pump casing stator assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321261302.5U CN219587794U (en) | 2023-05-23 | 2023-05-23 | Pump shell stator assembly and electronic water pump using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321261302.5U CN219587794U (en) | 2023-05-23 | 2023-05-23 | Pump shell stator assembly and electronic water pump using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219587794U true CN219587794U (en) | 2023-08-25 |
Family
ID=87695463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321261302.5U Active CN219587794U (en) | 2023-05-23 | 2023-05-23 | Pump shell stator assembly and electronic water pump using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219587794U (en) |
-
2023
- 2023-05-23 CN CN202321261302.5U patent/CN219587794U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 30 Dapu Industrial Street, Changping Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Shenpeng Technology Co.,Ltd. Country or region after: China Address before: 523000 Gangzi Dapu Industrial Zone, Changping Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN SHENPENG ELECTRONICS Co.,Ltd. Country or region before: China |