CN208073790U - Electronic water pump - Google Patents
Electronic water pump Download PDFInfo
- Publication number
- CN208073790U CN208073790U CN201820019159.1U CN201820019159U CN208073790U CN 208073790 U CN208073790 U CN 208073790U CN 201820019159 U CN201820019159 U CN 201820019159U CN 208073790 U CN208073790 U CN 208073790U
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- CN
- China
- Prior art keywords
- bearing bracket
- water pump
- drive end
- electronic water
- pedestal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of electronic water pumps, including waterpower portion from front to back, motor section and control unit, control unit includes the pedestal (5) as back end cover for motor, motor section includes drive end bearing bracket (3) and casing (4), drive end bearing bracket is extended with separation sleeve canister portion (301) backward, pedestal has forward extended out rear end sleeve part (501), drive end bearing bracket, casing and pedestal are sequentially connected to limit motor cavity, separation sleeve canister portion is socketed rear end sleeve part to be radially separated out the bore of stator (6) of rotor chamber (7) and sealing in motor cavity, the stator module (1) of motor section is arranged in bore of stator, the rotor assembly (2) of motor section is arranged in rotor chamber.The utility model uses drive end bearing bracket integrated injection molding, reduces sealing station, reduces liquid leakage risk.The installation procedure for eliminating drive end bearing bracket and distance sleeve simultaneously, simplifies the mounting process of water pump in the installation process of electronic water pump.
Description
Technical field
The utility model belongs to water pump field, and in particular to a kind of electronic water pump.
Background technology
Many advantages, such as electronic water pump is compact-sized, control is accurate, performance is stable, high efficiency, by the blueness of insider
It looks at, with the rapid development of industry, the application field of electronic water pump is more and more extensive, especially extremely wide in automotive field application
It is general.In recent years, electronic water pump is commonly used on the vehicles such as some high-end automobile, new-energy automobiles as on water cycle, cooling or vehicle
Water system.
The stator of electronic water pump common at present, motor is mounted in casing, passes through separation sleeve between stator and rotor
Cylinder keeps apart stator and rotor, and distance sleeve needs the drive end bearing bracket and rear end cap with electronic water pump as an independent part
Assembly often increases the sealing security risk that an Assembly part increases stator module in electronic water pump.
Utility model content
The purpose of this utility model is to provide a kind of electronic water pump, to solve electronic water pump assembly in stator module it is close
Envelope problem.
To achieve the goals above, the utility model provides a kind of electronic water pump, which includes from front to back
Waterpower portion, motor section and control unit, the control unit includes the pedestal as back end cover for motor, before the motor section further includes
End cap and casing, the drive end bearing bracket are extended with separation sleeve canister portion backward, and the pedestal has forward extended out rear end sleeve part, before described
End cap, the casing and the pedestal are sequentially connected to limit motor cavity, and the separation sleeve canister portion is socketed the rear end sleeve
To be radially separated out the bore of stator of rotor chamber and sealing in the motor cavity, the stator module setting of the motor section exists in portion
In the bore of stator, the rotor assembly of the motor section is arranged in the rotor chamber.
Preferably, the drive end bearing bracket is integrated injection molding part.
Preferably, the waterpower portion includes pump case and impeller, which is connected together to internal leaf with the drive end bearing bracket
Chamber is taken turns, the impeller is arranged in the impeller cavity, wherein the junction between the pump case and the drive end bearing bracket is equipped with pump case
Sealing element.
Preferably, the rotor assembly advances through the drive end bearing bracket to extend to the impeller in the waterpower portion by shaft
Intracavitary drives impeller rotation.
Preferably, the fitting surface between the rear end sleeve part and the separation sleeve canister portion is equipped with separation sleeve sealing element.
Preferably, the junction of the casing and the drive end bearing bracket is provided with casing sealing part.
Preferably, the control unit further includes control circuit board and rear end cap, and the control circuit board is mounted on the base
It is covered on the rear end face of seat and by the rear end cap, the junction of the rear end cap and the pedestal is provided with rear end cap sealing
Part.
Preferably, the junction of the pedestal and the casing is provided with rear pedestal sealing element.
Preferably, the drive end bearing bracket and the control unit are respectively equipped with the fore bearing room for installing the shaft and rear bearing
Room, the shaft are hollow shaft, and the drive end bearing bracket is provided through coolant liquid front through hole, the control unit be equipped be connected to it is described after
Bearing chamber and through-hole after the coolant liquid of the rotor chamber, coolant liquid is followed by the coolant liquid front through hole, the rotor chamber, institute
State through-hole after coolant liquid, it is described after bearing chamber and the impeller cavity is flowed out to by the hollow axocoel of the shaft.
Preferably, the coolant liquid front through hole is to be arranged multiple and circumferentially-spacedly around the fore bearing room, the control
The front bulkhead in portion processed has forward extended out bearing boss towards the rotor chamber, and the rear bearing chamber is formed in the bearing boss
It is interior.
The utility model uses drive end bearing bracket integrated injection molding, forms drive end bearing bracket and separation sleeve canister portion, the separation sleeve
Canister portion is directly socketed with the rear end sleeve part of control unit, and is directly arranged with rear end sleeve part socket place in separation sleeve canister portion and is sealed
Part is to achieve the purpose that sealed stator component, the sealing of traditional distance sleeve need to carry out in distance sleeve both ends setting sealing element
Sealing, in the utility model only need to separation sleeve canister portion be sealed with rear end sleeve part socket place, reduce sealing station
To reduce the risk of liquid leakage.The installation procedure for eliminating drive end bearing bracket and distance sleeve simultaneously, in the peace of electronic water pump
The mounting process of water pump is simplified during dress, by manufacturing cooling circuit inside electronic water pump, coolant liquid is followed by institute
State through-hole after coolant liquid front through hole, the rotor chamber, the coolant liquid, it is described after bearing chamber and by the hollow shaft of the shaft
Chamber flows out to the impeller cavity, and the coolant liquid of flowing has taken away the electronic water pump heat that water pump inside generates during the work time,
It realizes cooling inside motor.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide a further understanding of the present invention, an and part for constitution instruction, and following
Specific implementation mode be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings：
Fig. 1 is the sectional view according to the electronic water pump of preferred embodiments of the present invention；
Fig. 2 is the stereoscopic schematic diagram of the drive end bearing bracket of electronic water pump shown in FIG. 1；And
Fig. 3 is the stereoscopic schematic diagram of electronic water pump shown in FIG. 1.
Reference sign
1 stator module, 2 rotor assembly
201 shaft, 3 drive end bearing bracket
301 separation sleeve canister portion, 4 casing
5 pedestal, 6 bore of stator
7 rotor chamber, 8 impeller
801 impeller cavity, 9 bearing boss
10 pump cases
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific implementation mode is only used for describing and explaining the present invention, and is not intended to limit the utility model.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually
Be for direction shown in the drawings either for it is vertical, vertically or on gravity direction for each component mutual alignment
Relationship description word.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 to Figure 3, the utility model provides a kind of electronic water pump, which includes from front to back
Waterpower portion, motor section and control unit, the control unit includes the pedestal 5 as back end cover for motor, before the motor section further includes
End cap 3 and casing 4, the drive end bearing bracket 3 are extended with separation sleeve canister portion 301 backward, and the pedestal 5 has forward extended out rear end sleeve part
501, the drive end bearing bracket 3, the casing 4 and the pedestal 5 are sequentially connected to limit motor cavity, the separation sleeve canister portion 301
The bore of stator 6 that the rear end sleeve part 501 is socketed to be radially separated out rotor chamber 7 in the motor cavity and seal, it is described
The stator module 1 of motor section is arranged in the bore of stator 6, and the rotor assembly 2 of the motor section is arranged in the rotor chamber 7
It is interior.
Wherein, drive end bearing bracket 3 shown in Fig. 2 is integrated injection molding and is formed with separation sleeve canister portion 301, the distance sleeve
Portion 301 is socketed with rear end sleeve part 501, separation sleeve sealing element is arranged between the fitting surface of socket place, with traditional separation sleeve
The structure that cylinder needs both ends to seal is compared, and the utility model reduces the position of sealing assembly, reduces the risk of liquid leakage,
The separating dry space from moist space inside electronic water pump is realized simultaneously.Using 3 integrated injection molding of drive end bearing bracket, the isolation of electronic water pump is eliminated
Sleeve simplifies the mounting process of electronic water pump in the installation process of electronic water pump.
In the utility model, it is preferably carried out mode, the drive end bearing bracket 3 is integrated injection molding part.
In the utility model, the waterpower portion includes pump case 10 and impeller 8, the pump case 10 be connected with the drive end bearing bracket 3 with
Impeller cavity 801 inside being formed, the impeller 8 are arranged in the impeller cavity 801, wherein the pump case 10 and the front end
Junction between lid 3 is equipped with pump casing seal.
As shown in Figure 1, Figure 3, the drive end bearing bracket 3 is clamped between pump case 10 and casing 4, such as by drive end bearing bracket 3
It is clamped between pump case 10 and casing 4 by bolt, wherein pump case 10, drive end bearing bracket 3 and casing 4 can be fixed and be connected by bolt
It connects, there is higher controllability.In order to ensure the leakproofness assembled between pump case 10, drive end bearing bracket 3 and casing 4, external rings are avoided
Liquid intrusion and the coolant liquid leakage inside electronic water pump, pump is equipped in the pump case 10 and 3 junction of the drive end bearing bracket in border
Shell sealing element is equipped with casing sealing part in the junction of the drive end bearing bracket 3 Yu the front end of the casing 4.The rear end of the casing 4
It is connect with the pedestal 5, such as pedestal 5 described in the rear end of casing 4 is bolted, there is higher controllability.In order to
Ensure that stator module 1 is in the working environment of sealing, rear base is equipped in the rear end junction of the pedestal 5 and the casing 4
Seat seal.
Wherein, the rotor assembly 2 advances through the drive end bearing bracket 3 to extend to the waterpower portion by shaft 201
Driving impeller 8 rotates in impeller cavity 801.
Wherein, the drive end bearing bracket 3 and the control unit are respectively equipped with the fore bearing room for installing the shaft 201 and rear bearing
Room, the shaft 201 are hollow shaft, and the drive end bearing bracket 3 is provided through coolant liquid front through hole, and the control unit is equipped with connection institute
Rear bearing chamber and through-hole after the coolant liquid of the rotor chamber 7 are stated, coolant liquid is followed by the coolant liquid front through hole, the rotor
Through-hole after chamber 7, the coolant liquid, it is described after bearing chamber and the impeller cavity is flowed out to by the hollow axocoel of the shaft 201
801。
As shown in Figure 1, impeller 8 drives rotation by the shaft 201 of motor section, therefore impeller 8 has standard relative to shaft 201
True relative position, and then front end sliding bearing sleeve and rear end sliding axle for being accurately positioned and rotatably supporting shaft 201
There is accurate relative position between bearing sleeve and drive end bearing bracket 3 and pedestal 5 and impeller 8.Therefore by making drive end bearing bracket 3 and pump case 10
Connection can ensure the exact positional relationship between all parts of electronic water pump.Wherein, the front end sliding bearing is arranged
It sets in the fore bearing room of the drive end bearing bracket 3, the front bulkhead of the control unit has forward extended out axis towards the rotor chamber 7
Boss 9 is held, the rear bearing chamber is formed in the bearing boss 9, and the rear end sliding bearing sleeve installation settings is in the rear
In bearing chamber.
In the present invention, the control unit further includes control circuit board and rear end cap, the control circuit board installation
It is covered on the rear end face of the pedestal 5 and by the rear end cap, wherein the junction of the rear end cap and the pedestal 5 is set
It is equipped with rear end cap sealing element.
Wherein, the rear end cap is connect with the pedestal 5, such as the rear end cap is connected by screw and the pedestal 5
It connects, to cover the control circuit board on the rear end face of the pedestal 5, in order to ensure that control circuit board is safe and reliable just
It often works, the junction of end cap and the pedestal 5 is equipped with rear end cap sealing element in the rear, and liquid in external environment is avoided to invade
Enter.
In the utility model, the drive end bearing bracket 3 is provided through coolant liquid front through hole, and the control unit is equipped with described in connection
Bearing chamber and through-hole after the coolant liquid of the rotor chamber 7 afterwards, coolant liquid is followed by the coolant liquid front through hole, the rotor chamber
7, through-hole after the coolant liquid, it is described after bearing chamber and the impeller cavity is flowed out to by the hollow axocoel of the shaft 201
801。
Specifically, the drive end bearing bracket 3 is provided with multiple coolant liquid front through hole, the coolant liquid front through hole is multiple and all
To compartment of terrain around the fore bearing room arrange, such as the coolant liquid front through hole and the spaced radial of the fore bearing room it is little
In 20mm or even closer 10mm.When cooling inside being carried out to electronic water pump, the coolant liquid warp into impeller cavity 801 is more
A coolant liquid front through hole enters rotor chamber 7, later using logical after the coolant liquid of the connection rear bearing chamber and the rotor chamber 7
Hole enters rear bearing chamber, and most the hollow axocoel through shaft 201 flows out to impeller cavity 801 afterwards, and the coolant liquid of flowing has taken away electronics
The heat generated inside water pump in pump working completes the cooling cycle inside motor in this way, realizes cold inside motor
But, while the coolant liquid into rotor chamber 7 plays profit to the front end sliding bearing sleeve and the rear end sliding bearing sleeve
Sliding effect, increases the service life of front end sliding bearing sleeve and the rear end sliding bearing sleeve.
The utility model uses drive end bearing bracket integrated injection molding, forms drive end bearing bracket and separation sleeve canister portion, the separation sleeve
Canister portion is directly socketed with the rear end sleeve part of control unit, and is directly arranged with rear end sleeve part socket place in separation sleeve canister portion and is sealed
Part is to achieve the purpose that sealed stator component, the sealing of traditional distance sleeve need to carry out in distance sleeve both ends setting sealing element
Sealing, in the utility model only need to separation sleeve canister portion be sealed with rear end sleeve part socket place, reduce sealing station
To reduce the risk of liquid leakage.The installation procedure for eliminating drive end bearing bracket and distance sleeve simultaneously, in the peace of electronic water pump
The mounting process of water pump is simplified during dress, by manufacturing cooling circuit inside electronic water pump, coolant liquid is followed by institute
State through-hole after coolant liquid front through hole, the rotor chamber, the coolant liquid, it is described after bearing chamber and by the hollow shaft of the shaft
Chamber flows out to the impeller cavity, and the coolant liquid of flowing has taken away the electronic water pump heat that water pump inside generates during the work time,
It realizes cooling inside motor.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of electronic water pump, including waterpower portion, motor section and control unit from front to back, which is characterized in that the control unit
Include the pedestal (5) as back end cover for motor, the motor section further includes drive end bearing bracket (3) and casing (4), the drive end bearing bracket (3)
It is extended with separation sleeve canister portion (301) backward, the pedestal (5) has forward extended out rear end sleeve part (501), the drive end bearing bracket (3),
The casing (4) and the pedestal (5) are sequentially connected to limit motor cavity, after separation sleeve canister portion (301) socket is described
End cap canister portion (501) in the motor cavity to be radially separated out the bore of stator (6) of rotor chamber (7) and sealing, the motor
The stator module (1) in portion is arranged in the bore of stator (6), and the rotor assembly (2) of the motor section is arranged in the rotor chamber
(7) in.
2. electronic water pump according to claim 1, which is characterized in that the drive end bearing bracket (3) is integrated injection molding part.
3. electronic water pump according to claim 1, which is characterized in that the waterpower portion includes pump case (10) and impeller (8),
The pump case (10) is connected together to internal impeller cavity (801) with the drive end bearing bracket (3), and the impeller (8) is arranged in the leaf
It takes turns in chamber (801), the junction between the pump case (10) and the drive end bearing bracket (3) is equipped with pump casing seal.
4. electronic water pump according to claim 3, which is characterized in that the rotor assembly (2) by shaft (201) forward
Driving impeller (8) rotates in impeller cavity (801) across the drive end bearing bracket (3) to extend to the waterpower portion.
5. electronic water pump according to claim 1, which is characterized in that the rear end sleeve part (501) and the separation sleeve
Fitting surface between canister portion (301) is equipped with separation sleeve sealing element.
6. electronic water pump according to claim 1, which is characterized in that the connection of the casing (4) and the drive end bearing bracket (3)
Place is provided with casing sealing part.
7. electronic water pump according to claim 1, which is characterized in that the control unit further includes control circuit board and rear end
Lid, the control circuit board are mounted on the rear end face of the pedestal (5) and are covered by the rear end cap, the rear end cap with
The junction of the pedestal (5) is provided with rear end cap sealing element.
8. electronic water pump according to claim 1, which is characterized in that the junction of the pedestal (5) and the casing (4)
Equipped with rear pedestal sealing element.
9. electronic water pump according to claim 4, which is characterized in that the drive end bearing bracket (3) and the control unit are set respectively
It is hollow shaft to have the fore bearing room for installing the shaft (201) and rear bearing chamber, the shaft (201), and the drive end bearing bracket (3) is passed through
It wears and is equipped with coolant liquid front through hole, after the control unit is equipped with the coolant liquid for being connected to the rear bearing chamber and the rotor chamber (7)
Through-hole, coolant liquid is followed by through-hole, the rear bearing after the coolant liquid front through hole, the rotor chamber (7), the coolant liquid
Room simultaneously flows out to the impeller cavity (801) by the hollow axocoel of the shaft (201).
10. electronic water pump according to claim 9, which is characterized in that between the coolant liquid front through hole is multiple and circumferential
It is arranged around the fore bearing room every ground, it is convex that the front bulkhead of the control unit towards the rotor chamber (7) has forward extended out bearing
Platform (9), the rear bearing chamber are formed in the bearing boss (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820019159.1U CN208073790U (en) | 2018-01-05 | 2018-01-05 | Electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820019159.1U CN208073790U (en) | 2018-01-05 | 2018-01-05 | Electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208073790U true CN208073790U (en) | 2018-11-09 |
Family
ID=64034815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820019159.1U Active CN208073790U (en) | 2018-01-05 | 2018-01-05 | Electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208073790U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630429A (en) * | 2018-12-27 | 2019-04-16 | 佛山市三角洲电器科技有限公司 | A kind of drinking water water pump and its pump method |
| CN109888961A (en) * | 2019-03-13 | 2019-06-14 | 佛山市顺德区伊默特电机有限公司 | Compact type low-noise plastic packaging motor |
| CN110529226A (en) * | 2019-08-27 | 2019-12-03 | 汉宇集团股份有限公司 | A kind of electronic water pump for automobile of internal liquid cooling |
| CN112955663A (en) * | 2018-11-23 | 2021-06-11 | 依必安-派特圣乔根有限责任两合公司 | Radial fan with integrated cooling function |
-
2018
- 2018-01-05 CN CN201820019159.1U patent/CN208073790U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955663A (en) * | 2018-11-23 | 2021-06-11 | 依必安-派特圣乔根有限责任两合公司 | Radial fan with integrated cooling function |
| CN112955663B (en) * | 2018-11-23 | 2023-03-14 | 依必安-派特圣乔根有限责任两合公司 | Radial fan with integrated cooling function |
| CN109630429A (en) * | 2018-12-27 | 2019-04-16 | 佛山市三角洲电器科技有限公司 | A kind of drinking water water pump and its pump method |
| CN109888961A (en) * | 2019-03-13 | 2019-06-14 | 佛山市顺德区伊默特电机有限公司 | Compact type low-noise plastic packaging motor |
| CN110529226A (en) * | 2019-08-27 | 2019-12-03 | 汉宇集团股份有限公司 | A kind of electronic water pump for automobile of internal liquid cooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190610 Address after: 528311 Building No. 21 Gangqian Road, Industrial Park, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Welling Automobile Parts Co., Ltd. Address before: 528000 No. 27 Xingye Road, Beijiao Industrial Park, Shunde District, Foshan City, Guangdong Province Co-patentee before: Midea Welling Electric Motor Technology (Shanghai) Co., Ltd. Patentee before: Guangdong Welling Electric Machine Manufacture Co., Ltd. |