CN218124443U - High-pressure electronic water pump structure - Google Patents
High-pressure electronic water pump structure Download PDFInfo
- Publication number
- CN218124443U CN218124443U CN202222184665.5U CN202222184665U CN218124443U CN 218124443 U CN218124443 U CN 218124443U CN 202222184665 U CN202222184665 U CN 202222184665U CN 218124443 U CN218124443 U CN 218124443U
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- motor
- cover
- front bearing
- bearing cover
- rear bearing
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Abstract
The utility model relates to a high-pressure electronic water pump structure, wherein a front bearing cover and a rear bearing cover are fixed in a motor shell, a front bearing and a rear bearing are arranged in the front bearing cover and the rear bearing cover, the front end and the rear end of a motor rotor are respectively arranged in the front bearing and the rear bearing, and a motor stator is fixed on the inner wall of the motor shell at the outer side of the motor rotor; the front bearing cover is provided with a front bearing cover protecting cover, the front bearing cover protecting cover is provided with a separating sleeve part, a connecting part and a separating part which are connected into a whole, and the rear bearing cover is provided with a rear bearing cover protecting cover; form the embedment cavity between motor casing, motor stator and front bearing cap protecting cover, it has the heat conduction casting glue to fill in the embedment cavity, and the heat conduction casting glue is fixed motor casing, motor stator and front bearing cap protecting cover as a whole. The utility model discloses satisfied the requirement of dielectric insulation and improved motor radiating efficiency.
Description
Technical Field
The utility model belongs to the technical field of the electronic water pump, specifically speaking is a high-pressure electronic water pump structure.
Background
At present, most high-voltage electronic water pumps are generally provided with a separation sleeve which is used for separating a motor stator from a motor rotor and is also used for medium insulation, the separation sleeve is an independent plastic piece, and the front side and the rear side of the separation sleeve are respectively sealed and waterproof with a front bearing cover and a rear bearing cover.
Disclosure of Invention
The utility model aims at overcoming the not enough of existence among the prior art, provide a can satisfy the requirement of dielectric insulation and can improve motor radiating efficiency's high-pressure electronic water pump structure.
According to the technical scheme provided by the utility model, the high-voltage electronic water pump structure comprises a motor shell, a motor stator and a motor rotor, wherein a front bearing cover and a rear bearing cover are fixed in the motor shell, a front bearing is arranged in the front bearing cover, a rear bearing is arranged in the rear bearing cover, the front end and the rear end of the motor rotor are respectively arranged in the front bearing and the rear bearing, the motor stator is fixed on the inner wall of the motor shell at the outer side of the motor rotor, and the motor stator is matched with the motor rotor;
the front bearing cover is integrally provided with a front bearing cover protecting cover, the front bearing cover protecting cover is provided with a separating sleeve part, a connecting part and a separating part which are integrally connected, the separating sleeve part is positioned between a motor stator and a motor rotor, the separating part is positioned between the front bearing cover and a motor shell, and the front bearing cover is insulated from the motor shell through the separating part;
a rear bearing cover protecting cover is integrally arranged on the rear bearing cover, the rear bearing cover is insulated from the motor shell through the rear bearing cover protecting cover, and the rear bearing cover is in sealing connection with the front bearing cover protecting cover;
form the embedment cavity between motor casing, motor stator and front bearing cap protecting cover, it has the heat conduction casting glue to fill in the embedment cavity, and the heat conduction casting glue is fixed motor casing, motor stator and front bearing cap protecting cover as a whole.
Preferably, the outer wall of the motor casing corresponding to the position of the motor stator is provided with a heat radiating fin.
Preferably, the motor stator and the motor shell are in interference fit.
Preferably, the heat-conducting pouring sealant is a single epoxy resin high polymer material.
The front bearing cap protecting cover and the rear bearing cap protecting cover are made of plastic materials.
The utility model has the advantages of it is following:
1. the utility model discloses can provide the required structural strength of fore bearing work, motor stator is separated with electric motor rotor, guarantees that electric motor rotor can be by coolant liquid refrigerated while, and the motor casing contactless coolant liquid has satisfied the requirement of dielectric insulation.
2. The utility model discloses can provide the required structural strength of rear bearing work, guarantee simultaneously sealed, satisfy the requirement of dielectric insulation.
3. The utility model discloses when guaranteeing the fixed centering of motor casing, motor stator and front bearing cap protecting cover, utilize the good heat conductivility of heat conduction casting glue, solved the radiating problem of motor, improved motor radiating efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
The utility model discloses a high-pressure electronic water pump structure, as shown in fig. 1, including motor casing 1, motor stator 3 and motor rotor 5, be fixed with metal material's front bearing cap 2 and metal material's back bearing cap 7 in motor casing 1, be equipped with front bearing 6 in front bearing cap 2, be equipped with rear bearing 8 in back bearing cap 7, the front end of motor rotor 5 is installed respectively with the rear end in front bearing 6 and back bearing 8, the inner wall of motor casing 1 in the outside of motor rotor 5 is fixed with motor stator 3 through interference fit, motor stator 3 and motor rotor 5 cooperate, be equipped with radiating fin 11 on the outer wall of motor casing 1 corresponding to motor stator 3 position, set up radiating fin 11 and can increase the area of contact of motor casing 1 and external atmosphere, improve the radiating effect;
a front bearing cover protecting cover 21 made of plastic is integrally arranged on a front bearing cover 2 made of metal, the front bearing cover 2 and the front bearing cover protecting cover 21 are integrated into a front bearing cover assembly by adopting a metal plastic-coated process, the front bearing cover protecting cover 21 is provided with a separating sleeve part, a connecting part and a blocking part which are connected into a whole, the separating sleeve part is positioned between a motor stator 3 and a motor rotor 5, the motor stator 3 and the motor rotor 5 are separated by the separating sleeve part, the blocking part is positioned between the front bearing cover 2 and a motor shell 1, and the front bearing cover 2 is insulated from the motor shell 1 through the blocking part;
a rear bearing cover protecting cover 71 made of plastic is integrally arranged on the rear bearing cover 7 made of metal, the rear bearing cover 7 and the rear bearing cover protecting cover 71 are integrated into a rear bearing cover assembly by adopting a metal plastic-coated process, the rear bearing cover 7 is insulated from the motor casing 1 through the rear bearing cover protecting cover 71, and the rear bearing cover 7 is in sealing connection with the front bearing cover protecting cover 21;
form the embedment cavity between motor casing 1, motor stator 3 and front bearing cap protecting cover 21, it has single epoxy polymer material's heat conduction casting glue 4 to fill in the embedment cavity, and heat conduction casting glue 4 is fixed motor casing 1, motor stator 3 and front bearing cap protecting cover 21 as a whole, and the centering of easily controlling motor stator 3, front bearing cap 2 does benefit to the assurance motor working property, makes the smooth and easy reliability of front bearing 6 work.
The utility model discloses in, the design of front bearing cap subassembly (by the front bearing cap 2 of metal material and the combination of the front bearing cap protecting cover 21 of plastics material) is the metal package and moulds the piece, integrated metal bearing room, the cover structure is separated to plastics, can provide the required structural strength of 6 work of front bearing, separate motor stator 3 and electric motor rotor 5 simultaneously, when guaranteeing that electric motor rotor 5 can be by the coolant liquid refrigerated, 1 contactless coolant liquid of motor casing has satisfied the requirement of medium insulation.
The utility model discloses in, the design of back bearing cap subassembly (the back bearing cap 7 by the metal material makes up with the back bearing cap protecting cover 71 of plastics material) is the metal package and moulds the piece, and is the metal part with the partial sealing area of spacer sleeve of front bearing cap protecting cover 21, and is the plastics part with motor casing 1 cooperation region, can provide the required structural strength of 8 work of back bearing, guarantees simultaneously sealedly, has satisfied the requirement that the medium is insulating.
The utility model discloses in, to filling single epoxy macromolecular material in the embedment cavity that forms between motor casing 1, motor stator 3 and the front bearing housing protecting cover 21, when guaranteeing motor casing 1, motor stator 2 and the fixed centering of front bearing housing protecting cover 21, utilize the good heat conductivility of single epoxy macromolecular material, solved the radiating problem of motor.
Claims (5)
1. A high-voltage electronic water pump structure comprises a motor shell (1), a motor stator (3) and a motor rotor (5), wherein a front bearing cover (2) and a rear bearing cover (7) are fixed in the motor shell (1), a front bearing (6) is arranged in the front bearing cover (2), a rear bearing (8) is arranged in the rear bearing cover (7), the front end and the rear end of the motor rotor (5) are respectively installed in the front bearing (6) and the rear bearing (8), the motor stator (3) is fixed on the inner wall of the motor shell (1) on the outer side of the motor rotor (5), and the motor stator (3) is matched with the motor rotor (5);
the method is characterized in that: the motor rotor structure is characterized in that a front bearing cover protecting cover (21) is integrally installed on the front bearing cover (2), the front bearing cover protecting cover (21) is provided with a separating sleeve part, a connecting part and a blocking part which are integrally connected, the separating sleeve part is positioned between a motor stator (3) and a motor rotor (5), the blocking part is positioned between the front bearing cover (2) and a motor shell (1), and the front bearing cover (2) is insulated from the motor shell (1) through the blocking part;
a rear bearing cover protecting cover (71) is integrally installed on the rear bearing cover (7), the rear bearing cover (7) is insulated from the motor shell (1) through the rear bearing cover protecting cover (71), and the rear bearing cover (7) is in sealing connection with the front bearing cover protecting cover (21);
form the embedment cavity between motor casing (1), motor stator (3) and front bearing cap protecting cover (21), it has heat conduction casting glue (4) to fill in the embedment cavity, and heat conduction casting glue (4) are fixed motor casing (1), motor stator (3) and front bearing cap protecting cover (21) as a whole.
2. The high-pressure electronic water pump structure of claim 1, wherein: the outer wall of the motor shell (1) corresponding to the position of the motor stator (3) is provided with radiating fins (11).
3. The high-pressure electronic water pump structure of claim 1, wherein: the motor stator (3) is in interference fit with the motor shell (1).
4. The high-pressure electronic water pump structure of claim 1, wherein: the heat-conducting pouring sealant (4) is made of a single epoxy resin high polymer material.
5. The high-pressure electronic water pump structure of claim 1, wherein: the front bearing cover protecting cover (21) and the rear bearing cover protecting cover (71) are made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222184665.5U CN218124443U (en) | 2022-08-18 | 2022-08-18 | High-pressure electronic water pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222184665.5U CN218124443U (en) | 2022-08-18 | 2022-08-18 | High-pressure electronic water pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218124443U true CN218124443U (en) | 2022-12-23 |
Family
ID=84523293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222184665.5U Active CN218124443U (en) | 2022-08-18 | 2022-08-18 | High-pressure electronic water pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218124443U (en) |
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2022
- 2022-08-18 CN CN202222184665.5U patent/CN218124443U/en active Active
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