CN207960963U - Electronic water pump - Google Patents
Electronic water pump Download PDFInfo
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- CN207960963U CN207960963U CN201820029999.6U CN201820029999U CN207960963U CN 207960963 U CN207960963 U CN 207960963U CN 201820029999 U CN201820029999 U CN 201820029999U CN 207960963 U CN207960963 U CN 207960963U
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- rear end
- forming part
- water pump
- end cap
- electronic water
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Abstract
The utility model is related to a kind of electronic water pumps, including the waterpower portion of front and back arrangement and motor section, motor section includes stator module (1), rotor assembly (2) and overmolded body (3), overmolded body includes integrated casing forming part (301) and rear end cap forming part (302), the rotor chamber of back-end sealing is formed in casing forming part and rear end cap forming part, rotor assembly includes rotating assembly (200) and the rotor portions that are arranged in rotor chamber, the rear end of rotating assembly is installed on rear end cap forming part, the front end of rotating assembly, which passes through the drive end bearing bracket (4) of rotor chamber and extends to driving impeller (6) in the impeller cavity (5) in waterpower portion, to rotate.Wherein, stator module is molded by integral molded plastic technology and is coated, while saving motor case and rear end cap, preferably sealed stator is to reach separating dry space from moist space inside electronic water pump.Further, since casing forming part and rear end cap forming part are integrally formed, the sealing performance of control circuit board is enhanced.
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 stablized, is favored by insider, with
The rapid development of industry, the application field of electronic water pump is more and more extensive, especially in automotive field using extremely wide.
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 the junction of other components of installation end and electronic water pump is set before and after distance sleeve
Be equipped with sealing ring, by sealing ring by seal stator in a closed space, to reach separating dry space from moist space inside electronic water pump
Purpose, but this traditional sealing means are with the aging of sealing ring, the variation of water pump internal temperature, the change of operating pressure
Change and the influence of the factors such as the machining accuracy of seal groove of installation sealing ring, the sealing performance of sealing ring are gradually deteriorated, exist
The risk of leakage.
Utility model content
The purpose of this utility model is to provide a kind of electronic water pump, to solve water pump internal stator component poor sealing
Disadvantage.
To achieve the goals above, the utility model provides a kind of electronic water pump, and the electronic water pump includes front and back cloth
The waterpower portion set and motor section, the motor section include stator assembly and rotor assembly that the motor section further includes being coated on institute
State the overmolded body outside stator module, the overmolded body includes integrated casing forming part and rear end cap forming part, institute
State the rotor chamber that back-end sealing is formed in casing forming part and rear end cap forming part, the rotor assembly include rotating assembly and
Rotor portions in the rotor chamber are set, and the rear end of the rotating assembly is installed on the rear end cap forming part, the shaft
The front end of component passes through the drive end bearing bracket of the rotor chamber and extends to driving impeller rotation in the impeller cavity in the waterpower portion.
Preferably, the rotating assembly includes shaft and installation axle, and the rear end cap is fixed in the rear end of the installation axle
Forming part, the front end sleeve of the installation axle are loaded on the inside of the shaft.
Preferably, it is arranged with axle sleeve between the front end of the installation axle and the shaft.
It is highly preferred that the axle sleeve is replaceable wear-resistant sleeve.
Preferably, the electronic water pump includes control circuit board and rear end cap, the control circuit board be installed on it is described after
The rear end of end cap forming part is simultaneously covered by the rear end cap.
Preferably, the rear end of the casing forming part is equipped with routing hole, passes through described in the conducting wire electrical connection of the routing hole
Control circuit board and the stator module in the casing forming part.
Preferably, the rear end of the rear end cap forming part and the junction of the rear end cap are equipped with rear end cap sealing ring.
Preferably, the waterpower portion includes pump case, which is connected together to the internal impeller with the drive end bearing bracket
The junction of chamber, the drive end bearing bracket and the pump case is equipped with pump case sealing ring.
Preferably, the drive end bearing bracket and the junction of the front end of the casing forming part are equipped with casing sealing circle.
Preferably, the overmolded body is the molding injection-molded article of integral molded plastic technology.
The utility model is coated stator module with injected plastics material by stator integral molded plastic technology completely so that stator pack
Part is fully sealed to completely cut off liquid inside overmolded body, relative to traditional sealing means, this sealing means not by
The influence of extraneous factor, can be with better seal stator module to reach separating dry space from moist space inside electronic water pump.Since casing is molded
Portion and rear end cap forming part are integrally formed so that the rear end of rotor chamber is fully sealed, and has completely cut off rotor chamber and control circuit board, increases
The strong sealing performance of control circuit board.
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 stereogram according to the electronic water pump of preferred embodiments of the present invention；
Fig. 3 is the stator module stereoscopic schematic diagram according to preferred embodiments of the present invention；And
Fig. 4 is the stereoscopic schematic diagram according to the rotor assembly of preferred embodiments of the present invention.
Reference sign
1 stator module, 2 rotor assembly
200 rotating assembly, 201 shaft
202 installation axle, 203 axle sleeve
3 overmolded body, 301 casing forming part
302 rear end cap forming part, 4 drive end bearing bracket
5 impeller cavity, 6 impeller
7 control circuit board, 8 rear end cap
9 routing hole, 10 pump case
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.
The utility model provides a kind of electronic water pump, and as shown in Figures 1 to 4, which includes the front and back water arranged
Power portion and motor section, the motor section include stator module 1 and rotor assembly 2, the motor section further include be coated on it is described fixed
Overmolded body 3 outside sub-component 1, the overmolded body 3 include the casing forming part 301 and rear end cap forming part of one
302, the rotor chamber of back-end sealing, the rotor assembly 2 are formed in the casing forming part 301 and rear end cap forming part 302
Including rotating assembly 200 and the rotor portions that are arranged in the rotor chamber, the rear end of the rotating assembly 200 be installed on it is described after
The front end of end cap forming part 302, the rotating assembly 200 passes through the drive end bearing bracket 4 of the rotor chamber and extends to the waterpower portion
Impeller cavity 5 in driving impeller 6 rotate.
Wherein, the cladding completely of stator module 1 is played the role of sealed stator component 1 by overmolded body 3, is overmolding to simultaneously
Type body 3 again can be electric in the prior art to eliminate as the casing forming part 301 and rear end cap forming part 302 of motor section
The casing and distance sleeve of sub- water pump, reduce the production cost of electronic water pump；When electronic water pump assembles, need to will only be overmolding to
Type body 3 is connect with Ministry of Water Resources, simplifies the mounting process of electronic water pump, because the reduction of electronic water pump installation part, improves
Assembly precision；Further, since the presence of overmolded body 3 so that the rigidity of stator module 1 has larger promotion, to advantageous
In the noise for improving electronic water pump.Therefore, the sealing that the electronic water pump of the utility model not only solves stator module 1 also simplifies
The mounting process of electronic water pump.Further, since casing forming part 301 and rear end cap forming part 302 are integrally formed so that rotor
The back-end sealing of chamber has completely cut off rotor chamber and control circuit board 7, enhances the sealing performance of control circuit board 7.
Since casing forming part 301 and rear end cap forming part 302 are integrally formed, to install rotating assembly 200, in this implementation
In mode, rotating assembly 200 includes shaft 201 and installation axle 202, and shaft 201 passes through installation axle 202 and rear end cap forming part
302 connections.Specifically, in Fig. 1, the rear end cap forming part 302, the installation are fixed in the rear end of the installation axle 202
The front end sleeve of axis 202 is loaded on the inside of the shaft 201, and two axis are mutually nested, and one is outer tube, and another one is inner sleeve.
Further, axle sleeve 203 is preferably arranged between the front end of the installation axle 202 and the rear end of the shaft 201, it is excellent
It is selected as wear-resistant sleeve.
Specifically, the shaft 201 is the hollow shaft of both ends open, the institute being fixed in the rear end cap forming part 302
State installation axle 202 and be used to support shaft 201, the shaft 201 by the axle sleeve 203 and the installation axle 202 rotationally
Connection, during driving impeller 6 to rotate, the presence of axle sleeve 203 reduces between installation axle 202 and shaft 201 shaft 201
Pivoting friction, thus increase the service life of installation axle 202 and shaft 201.Axle sleeve 203 is preferably replaceable wear-resisting
Set.
In the utility model, as shown in figure 3, the installation axle 202 and the axle sleeve 203 are metalwork, show at one
In example, the material of installation axle 202 may include at least one of following material：Carbon steel, stainless steel, steel alloy, cast iron.Axis
The material of set 203 may include at least one of following material：Copper alloy, bearing metal, cast iron.But people in the art
Member is appreciated that the material of installation axle 202 and axle sleeve 203 is not limited to listed above these.
In the utility model, the electronic water pump includes control circuit board 7 and rear end cap 8, and the control circuit board 7 is installed
It is covered in the rear end of the rear end cap forming part 302 and by the rear end cap 8.In order to ensure that the safety of control circuit board 7 can
The normal work leaned on, the rear end of end cap forming part 302 and the junction of the rear end cap 8 are sealed equipped with rear end cap in the rear
Circle avoids liquid in external environment from invading.
In preferred embodiments of the present invention, the rear end of the casing forming part 301 is equipped with routing hole 9, passes through institute
The conducting wire for stating routing hole 9 is electrically connected the control circuit board 7 and the stator module 1 in the casing forming part 301.Wiring
Hole 9 with fluid generate it is any contact, it is simple and convenient without using waterproof measure.
As shown in Figure 1, the drive end bearing bracket 4 is clamped between pump case 10 and casing forming part 301, such as by front end
Lid 4 is clamped to by bolt between pump case 10 and casing forming part 301, and wherein bolt can be by pump case 10, drive end bearing bracket 4 and machine
Casing forming portion 301 is fixedly connected, and has higher controllability.In order to ensure pump case 10, drive end bearing bracket 4 and casing forming part 301 it
Between the leakproofness assembled, the coolant liquid leakage inside liquid intrusion and electronic water pump in external environment is avoided, in the pump case 10
It is equipped with pump case sealing ring, the connection of the drive end bearing bracket 4 and the front end of the casing forming part 301 with 4 junction of the drive end bearing bracket
Place is equipped with casing sealing circle.
It in the utility model, is preferably carried out in mode, the overmolded body 3 is the molding injection molding of integral molded plastic technology
Formed body.
The utility model is coated stator module with injected plastics material by stator integral molded plastic technology completely so that stator pack
Part is fully sealed to completely cut off liquid inside overmolded body, relative to traditional sealing means, this sealing means not by
The influence of extraneous factor, can be with better seal stator module to reach separating dry space from moist space inside electronic water pump.Since casing is molded
Portion and rear end cap forming part are integrally formed so that the rear end of rotor chamber is fully sealed, and has completely cut off rotor chamber and control circuit board, increases
The strong sealing performance of control circuit board.
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 the waterpower portion of front and back arrangement and motor section, the motor section includes stator module (1) and turns
Sub-component (2), which is characterized in that the motor section further includes being coated on the overmolded body (3) of the stator module (1) outside,
The overmolded body (3) includes integrated casing forming part (301) and rear end cap forming part (302), the casing forming part
(301) and in rear end cap forming part (302) it is formed with the rotor chamber of back-end sealing, the rotor assembly (2) includes rotating assembly
(200) and the rotor portions that are arranged in the rotor chamber, the rear end of the rotating assembly (200) are installed on the rear end cap molding
The front end in portion (302), the rotating assembly (200) passes through the drive end bearing bracket (4) of the rotor chamber and extends to the waterpower portion
Driving impeller (6) rotates in impeller cavity (5).
2. electronic water pump according to claim 1, which is characterized in that the rotating assembly (200) include shaft (201) and
The rear end cap forming part (302), the installation axle (202) are fixed in the rear end of installation axle (202), the installation axle (202)
Front end sleeve be loaded on the shaft (201) inside.
3. electronic water pump according to claim 2, which is characterized in that the front end of the installation axle (202) and the shaft
(201) axle sleeve (203) is arranged between.
4. electronic water pump according to claim 3, which is characterized in that the axle sleeve (203) is replaceable wear-resistant sleeve.
5. electronic water pump according to claim 1, which is characterized in that the electronic water pump include control circuit board (7) and
Rear end cap (8), the control circuit board (7) are installed on the rear end of the rear end cap forming part (302) and by the rear end caps
(8) it covers.
6. electronic water pump according to claim 5, which is characterized in that the rear end of the casing forming part (301) is equipped with cloth
String holes (9) passes through the conducting wire of the routing hole (9) to be electrically connected the control circuit board (7) interior with the casing forming part (301)
The stator module (1).
7. electronic water pump according to claim 5, which is characterized in that the rear end of the rear end cap forming part (302) and institute
The junction for stating rear end cap (8) is equipped with rear end cap sealing ring.
8. electronic water pump according to claim 1, which is characterized in that the waterpower portion includes pump case (10), the pump case
(10) the internal impeller cavity (5), the drive end bearing bracket (4) and the pump case (10) are connected together to the drive end bearing bracket (4)
Junction be equipped with pump case sealing ring.
9. electronic water pump according to claim 1, which is characterized in that the drive end bearing bracket (4) and the casing forming part
(301) junction of front end is equipped with casing sealing circle.
10. the electronic water pump according to any one of claim 1~9, which is characterized in that the overmolded body (3)
For the molding injection-molded article of integral molded plastic technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820029999.6U CN207960963U (en) | 2018-01-05 | 2018-01-05 | Electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820029999.6U CN207960963U (en) | 2018-01-05 | 2018-01-05 | Electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960963U true CN207960963U (en) | 2018-10-12 |
Family
ID=63732451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820029999.6U Active CN207960963U (en) | 2018-01-05 | 2018-01-05 | Electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207960963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456943A (en) * | 2020-04-10 | 2020-07-28 | 杭州中盟光电科技有限公司 | Brushless centrifugal pump for new energy automobile |
| WO2022016781A1 (en) * | 2020-07-24 | 2022-01-27 | 安徽威灵汽车部件有限公司 | Electronic water pump and vehicle |
-
2018
- 2018-01-05 CN CN201820029999.6U patent/CN207960963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456943A (en) * | 2020-04-10 | 2020-07-28 | 杭州中盟光电科技有限公司 | Brushless centrifugal pump for new energy automobile |
| WO2022016781A1 (en) * | 2020-07-24 | 2022-01-27 | 安徽威灵汽车部件有限公司 | Electronic water pump and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190531 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. |
|
| TR01 | Transfer of patent right |