CN208845378U - A kind of electronic water pump for automobile - Google Patents
A kind of electronic water pump for automobile Download PDFInfo
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- CN208845378U CN208845378U CN201821599896.XU CN201821599896U CN208845378U CN 208845378 U CN208845378 U CN 208845378U CN 201821599896 U CN201821599896 U CN 201821599896U CN 208845378 U CN208845378 U CN 208845378U
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- circuit board
- pump
- rotor
- automobile
- stator
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Abstract
The utility model relates to a kind of electronic water pump for automobile, it is characterized in that, including the pump housing, pump cover, rotor cavity, rotor assembly, stator, drive circuit board, circuit board support and end cap, the pump housing is the cylinder of both ends open and is equipped with power pin, pump cover and end cap seal the both ends open for covering the pump housing respectively, pump cover has impeller accommodating cavity, inlet and outlet, rotor cavity includes the interior cylindrical portions and annular flange for being equipped with central axis, annular flange and pump cover are sealingly engaged, rotor assembly includes rotor and impeller, rotor is installed in rotation on central axis, so that impeller is located in impeller accommodating cavity, stator is set in cylindrical portions and is supported by annular flange, circuit board support is removably mounted on above stator and is equipped with phase line contact pin, drive circuit board has power input jack and phase line output plughole, drive circuit board It is removably mounted on circuit board support, so that power pin and phase line contact pin are plugged in power input jack and phase line output plughole respectively.
Description
Technical field
The utility model relates to auto parts fields, more particularly to a kind of electronic water pump for automobile.
Background technique
Electronic water pump for automobile is usually used on water circulation, cooling or the vehicle of automobile in water system.Its working principle is that motor
Circular motion vacuum is formed at pump mouth,, will under the action of pressure difference to generate pressure difference between external atmosphere pressure
Hydraulic pressure enters water inlet, then is discharged from discharge outlet；Under the kinetic energy effect of motor transmitting, the continual sucking of water, discharge are formed
More stable flow.
Existing electronic water pump for automobile due to considering space factor, usually all adopt by the connection of driving plate and three-phase stator winding
With the mode of welding, dismounting maintenance inconvenience.A kind of electronic water as disclosed in Chinese invention patent application 201711120945.7
Pump, including pump casing, rotor, stator, water pumping impeller and driving plate, rotor, stator and water pumping impeller are mounted in pump case, described
Room is pumped by the water pump that port plate is separated out front and back setting each other inside pump case and motor cavity, stator and rotor are located at motor
It is intracavitary, it pumps impeller and is located at water pump water pumping interior, the mandrel of rotor is pumped across port plate transfer tube water impeller, the drive
The rear end face of port plate is arranged in movable plate, the heat transfer for generating driving plate to port plate.When it is assembled, need
Welding piece in the metal contact and driving plate of connector assembly is welded to connect, and will to be mounted on motor casing intracorporal
Three conductive sheets on stator be inserted into three welding holes being arranged in driving plate respectively welded with realize driving plate with
The electrical connection of stator.
Summary of the invention
The utility model is intended to provide a kind of electronic water pump for automobile, to solve existing electronic water pump dismounting maintenance inconvenience
Problem.For this purpose, the specific technical solution that the utility model uses is as follows:
A kind of electronic water pump for automobile, which is characterized in that including the pump housing, pump cover, rotor cavity, rotor assembly, stator, driving
Circuit board, circuit board support and end cap, the pump housing be both ends open cylinder, equipped be located at cylindrical outer power outlet and
Positioned at the power pin of cylinder interior being connected to power outlet, the pump cover and the end cap state the pump housing in sealing cover residence respectively
Both ends open to form the cavity for accommodating the rotor cavity, rotor assembly, stator, drive circuit board and circuit board support,
The inlet and outlet that the pump cover has impeller accommodating cavity and is connected to impeller accommodating cavity, the rotor cavity includes one end
The radial outwardly extending annular flange of the cylindrical portions of opening and opening from the cylindrical portions, it is fixed in the cylindrical portions
There is central axis, the annular flange and the pump cover are sealingly engaged, and the rotor assembly includes rotor and is fixed on the rotor
Impeller, the rotor is installed in rotation on the central axis so that the impeller is located in the impeller accommodating cavity, institute
It states stator to be set in the cylindrical portions and supported by the annular flange, the circuit board support is removably mounted on institute
The phase line contact pin being in electrical contact with the phase terminal of the stator is stated above stator and is equipped with, the drive circuit board has power supply
Input jack and phase line output plughole, the drive circuit board are removably mounted on the circuit board support, so that described
Power pin and the phase line contact pin are plugged in the power input jack and the phase line output plughole respectively.
Further, the circuit board support is equipped with several supporting legs, and the width terminad of the supporting leg reduces, the pump housing
The opening engaged with the end cap is equipped with the flange extended radially inwardly, has quantity identical with supporting leg several on the flange
Notch, the supporting leg are connected in the notch.
Further, the circuit board support is equipped with several positioning columns, and the drive circuit board is equipped with and the positioning
The location hole or notch of column cooperation.
Further, the outer wall of the stator is equipped with several positioning devices, and the pump housing inner wall is equipped with to be filled with the positioning
Set several location fit devices of cooperation.
Further, the positioning device is axially extending protrusion or groove, and the location fit device is axial
The groove or protrusion of extension.
Further, the electronic water pump for automobile further includes mounting bracket, and the mounting bracket is set on the pump housing,
The mounting bracket semicircular in shape, radial both ends offer mounting hole.
Further, the mounting bracket is made of rubber.
The utility model by adopting the above technical scheme, has the beneficial effect that the electronic water pump for automobile of the utility model
Motor phase line and drive circuit board on phase line output terminal be electrically connected by circuit board support, due to circuit board support,
Drive circuit board and stator are detachably installed, so that motor phase line is connected as detachably with the phase line output terminal on drive circuit board
Connection, dismounting maintenance more convenient and quicker；And circuit board support is also spaced a distance with drive circuit board by stator, this has
Conducive to heat dissipation.
Detailed description of the invention
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses
A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Fig. 1 is the perspective view according to the electronic water pump for automobile of the utility model embodiment；
Fig. 2 is the front view of electronic water pump for automobile shown in FIG. 1；
Fig. 3 is the cross-sectional view of the electronic water pump for automobile intercepted along the line A-A of Fig. 2；
Fig. 4 is the exploded perspective view of electronic water pump for automobile shown in FIG. 1；
Fig. 5 is the perspective view of the pump housing and stator in electronic water pump for automobile shown in Fig. 4.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
Referring to Fig.1-4, the electronic water pump for automobile 1 according to the utility model embodiment is described.Electronic water pump for automobile 1 may include
The pump housing 10, pump cover 20, rotor cavity 30, rotor assembly 40, stator 50, drive circuit board 60, circuit board support 70 and end cap 80.
Preferably, the pump housing 10, pump cover 20, rotor cavity 30 and end cap 80 are made of metal, in order to radiate.The pump housing 10 is both ends open
Cylinder, it is slotting equipped with the power outlet 110 for being located at cylindrical outer and positioned at the power supply of cylinder interior be connected to power outlet 110
Needle 120.Power outlet 110 is standard connector, is not discussed herein for connecting external power supply.
Pump cover 20 and end cap 80 seal the both ends open for covering the pump housing 10 respectively, with formed accommodate the rotor cavity 30,
Rotor assembly 40, stator 50, drive circuit board 60 and circuit board support 70 cavity.Specifically, it is set on the outside of the both ends of the pump housing 10
There are multiple circumferentially distributed mounting posts 130 with threaded mounting hole, and is distributed with and installs on pump cover 20 and end cap 80
Column 130 is correspondingly with the mounting portion 210 and 810 of threaded mounting hole.Therefore, the pump housing 10, pump cover 20 and end cap 80 can be with
It is fixed together by screw.
The water inlet 230 and water outlet 240 that pump cover 20 has impeller accommodating cavity 220 and is connected to impeller accommodating cavity 220,
In, water inlet 230 and water outlet 240 are in 90 degree of distributions, that is, water inlet 230 is located on central axis, and water outlet 240 is arranged outer
On circumferential surface.
Rotor cavity 30 includes cylindrical portions 310 open at one end and extends radially outwardly from the opening of cylindrical portions 310
Annular flange 320.Central axis 330 is installed in cylindrical portions 310.Annular flange 320 and pump cover 20 are sealingly engaged.Specifically
Ground, has mounting hole 3210 corresponding with the mounting portion 210 of pump cover 20 in annular flange 320, annular flange 320 and pump cover 20 it
Between be arranged sealing ring (not shown).Therefore, rotor cavity 30 can open water segregation, to avoid the electronic device in the pump housing 10 because
Water leaks and Damage by Short Circuit.
Rotor assembly 40 includes rotor 410 and is fixed on the impeller 420 of rotor 410, during rotor 410 is installed in rotation on
In mandrel 330, so that impeller 420 is located in impeller accommodating cavity 220 and can rotate.Therefore, rotor rotates, impeller 420
Rotation, so that water is pumped into from water inlet and leave it from water outlet.
Stator 50 is set in cylindrical portions 310 and is supported by annular flange 320.Circuit board support 60 is removably installed
Above stator 50 and it is equipped with the phase line contact pin 610 being in electrical contact with the phase terminal (not shown) of stator 50.Drive circuit board
70 have power input jack 710 and phase line output plughole 720, and drive circuit board 70 is removably mounted on circuit board support 60
On, so that power pin 120 and phase line contact pin 610 are plugged in power input jack 710 and phase line output plughole 720 respectively.
As shown in figure 4, circuit board support 60 is equipped with several supporting legs 620, the width terminad of supporting leg 620 reduces, the pump housing 10
The opening at abutting end end 80 is equipped with the flange 140 extended radially inwardly, has quantity identical as supporting leg 620 on the flange 140
Several notches 1410, supporting leg 620 is connected in notch 1410.Therefore, circuit board support 60 is supported on the pump housing 10 and is located at and determines
50 top of son.
In addition, drive circuit board 70 is equipped with and institute as shown in figure 4, circuit board support 60 is additionally provided with several positioning columns 630
State the location hole or notch 730 of the cooperation of positioning column 630.Therefore, drive circuit board 70 is positioned on circuit board support 60, thus
It avoids loosening and causing 70 poor contact of drive circuit board.
As shown in figure 5, the outer wall of stator 50 is equipped with positioning device 510 (for example, multiple axially extending protrusions or groove
510), 10 inner wall of the pump housing is equipped with several location fit devices 150 cooperated with the positioning device 510 (for example, multiple axial directions are prolonged
The groove or protrusion 150 stretched).Therefore, stator 50 can be positioned in the pump housing 10.
In addition, electronic water pump for automobile 1 may also include mounting bracket 90, the mounting bracket 90 is set on the pump housing 10.Peace
90 semicircular in shape of bracket is filled, radial both ends offer mounting hole 910.Therefore, electronic water pump for automobile 1 can be fixed easily
On required position.Preferably, mounting bracket 90 is made of rubber, on the one hand at low cost, on the other hand can play damping work
With.
Now briefly explain the installation process of the electronic water pump for automobile 1 of the utility model.Firstly, rotor assembly 40 is pacified
In rotor cavity 30, then stator 50 is set on rotor cavity 30, then by rotor cavity 30, sealing ring, rotor
Assembly and stator 50, which are placed on together on pump cover 20, is aligned its mounting hole, and then the pump housing 10 is set on stator 50 and is made
Its mounting hole is aligned with the mounting hole of rotor cavity 30 and pump cover 20, then with screw by the pump housing 10, rotor cavity 30 and pump cover
20 lock together, and circuit board support 60 is then plugged in the pump housing 10, so that the phase line end of its phase line contact pin 610 and stator 50
Drive circuit board 70, is then plugged on circuit board support 60 by son contact, finally covers end cap 80 and with screw by end cap 80
It is locked together with the pump housing 10.Whole installation process is very simple, without welding.When disassembly is desired, according to installation process
Opposite step carries out.In addition, circuit board support 60 is also spaced a distance by stator 50 and drive circuit board 70, this
Be conducive to radiate.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the protection scope of the utility model.
Claims (7)
1. a kind of electronic water pump for automobile, which is characterized in that including the pump housing, pump cover, rotor cavity, rotor assembly, stator, driving electricity
Road plate, circuit board support and end cap, the pump housing are the cylinder of both ends open, equipped with the power outlet and position for being located at cylindrical outer
In the power pin of cylinder interior being connected to power outlet, the pump cover and the end cap state the pump housing in sealing cover residence respectively
Both ends open accommodates the cavity of the rotor cavity, rotor assembly, stator, drive circuit board and circuit board support, institute to be formed
Pump cover is stated with impeller accommodating cavity and the inlet and outlet being connected to the impeller accommodating cavity, the rotor cavity includes one
The radial outwardly extending annular flange of the cylindrical portions of end opening and opening from the cylindrical portions, it is solid in the cylindrical portions
Equipped with central axis, the annular flange and the pump cover are sealingly engaged, and the rotor assembly includes rotor and is fixed on described turn
The impeller of son, the rotor is installed in rotation on the central axis, so that the impeller is located in the impeller accommodating cavity,
The stator is set in the cylindrical portions and is supported by the annular flange, and the circuit board support is removably mounted on
Above the stator and it is equipped with the phase line contact pin being in electrical contact with the phase terminal of the stator, the drive circuit board has electricity
Source input jack and phase line output plughole, the drive circuit board are removably mounted on the circuit board support, so that institute
It states power pin and the phase line contact pin is plugged in the power input jack and the phase line output plughole respectively.
2. electronic water pump for automobile as described in claim 1, which is characterized in that the circuit board support is equipped with several supporting legs, institute
The width terminad decrement of supporting leg is stated, the opening that the pump housing is engaged with the end cap is equipped with the flange extended radially inwardly, institute
Stating has quantity several notches identical with supporting leg on flange, the supporting leg is connected in the notch.
3. electronic water pump for automobile as described in claim 1, which is characterized in that the circuit board support is equipped with several positioning columns,
The drive circuit board is equipped with the location hole or notch cooperated with the positioning column.
4. electronic water pump for automobile as described in claim 1, which is characterized in that the outer wall of the stator is filled equipped with several positioning
It sets, the pump housing inner wall is equipped with several location fit devices cooperated with the positioning device.
5. electronic water pump for automobile as claimed in claim 4, which is characterized in that the positioning device be axially extending protrusion or
Groove, the location fit device are axially extending groove or protrusion.
6. electronic water pump for automobile as described in claim 1, which is characterized in that the electronic water pump for automobile further includes installation branch
Frame, the mounting bracket are set on the pump housing, the mounting bracket semicircular in shape, and radial both ends offer mounting hole.
7. electronic water pump for automobile as claimed in claim 6, which is characterized in that the mounting bracket is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599896.XU CN208845378U (en) | 2018-09-29 | 2018-09-29 | A kind of electronic water pump for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599896.XU CN208845378U (en) | 2018-09-29 | 2018-09-29 | A kind of electronic water pump for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845378U true CN208845378U (en) | 2019-05-10 |
Family
ID=66374019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821599896.XU Active CN208845378U (en) | 2018-09-29 | 2018-09-29 | A kind of electronic water pump for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026752A (en) * | 2018-09-29 | 2018-12-18 | 赛默（厦门）智能科技有限公司 | A kind of electronic water pump for automobile |
-
2018
- 2018-09-29 CN CN201821599896.XU patent/CN208845378U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026752A (en) * | 2018-09-29 | 2018-12-18 | 赛默（厦门）智能科技有限公司 | A kind of electronic water pump for automobile |
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