CN209458187U - Electronic water pump and vehicle with the electronic water pump - Google Patents
Electronic water pump and vehicle with the electronic water pump Download PDFInfo
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- CN209458187U CN209458187U CN201920009200.1U CN201920009200U CN209458187U CN 209458187 U CN209458187 U CN 209458187U CN 201920009200 U CN201920009200 U CN 201920009200U CN 209458187 U CN209458187 U CN 209458187U
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- pump case
- electronic water
- water pump
- pump
- shaft
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Abstract
The utility model relates to a kind of electronic water pump and with the vehicle of the electronic water pump, including pump case, field frame assembly, rotor assembly and the rotor supporting body being supported in pump case and shaft, shaft is supported in the medium pore of rotor supporting body in a manner of being able to rotate, it is supported with impeller in a relatively unrotatable manner in one end back to pump case inner cavity of shaft, and the other end supporting rotor assembly in shaft, separation sleeve is equipped in pump case inner cavity, separation sleeve surrounds rotor assembly and pump case inner cavity is separated into first chamber and second chamber, separation sleeve is integrally constructed with pump case.Since separation sleeve is integrally constructed with pump case, pump case can the one-pass molding by way of injection molding with separation sleeve, therefore dimension control is more preferable.In addition, this new structural waterproof performance is more excellent compared with traditional scheme, even if will not impact for a long time to its waterproof performance by vibration.In addition, it is not necessary that laborious fixes separation sleeve and pump case sealing, therefore material cost and manufacturing cost are minimized.
Description
Technical field
The utility model relates to vehicle spare and accessory parts fields, and in particular to a kind of electronic water pump is used for vehicle, especially uses
In electric car.In addition, the utility model further relates to a kind of vehicle with the electronic water pump.
Background technique
Driving power assembly, power battery, electrical components that electric car uses etc. have essential distinction with orthodox car,
It is middle that internal combustion engine is replaced using driving motor.The water pump of electric car replaces traditional mechanical water pump using electric water pump.It compares
In conventional fuel oil automobile, because having increased big heater element, such as power battery, driving motor, motor control assembly, charger newly
Deng electric car cooling performance just becomes increasingly important.Currently, electric water pump is mainly used for driving motor, electrical components, power
Play the role of circulating-heating circulation waterway under the conditions of the circulating cooling of battery etc. and in winter worst cold case.
Currently used electric water pump is mainly by direct current generator and impeller, the pump housing, pump cover, retaining ring, the components group such as pump shaft
At.Electric water pump is rotated when working by dc motor impeller, the centrifugation that the coolant liquid of impeller wheel portion is generated by rotation
Impeller peripheral outlet is thrown in power effect, and generates low-pressure area in impeller center, and coolant liquid is sucked from entrance, and then makes cold
But liquid generates circulate in systems.
A variety of such electronic water pumps have been disclosed in the prior art.Such as by Chinese utility model patent
CN206555143U discloses a kind of electronic water pump comprising pump case and pump head are provided in the pump case mutually isolated
First chamber and second chamber, are disposed with stator, rotor and central spindle in the first chamber within outer, and described the
The control device being electrically connected with the stator, the first chamber and the second chamber are fixedly installed in two chambers
Between be provided with metal isolation board, the control device is fixed on the metal isolation board, the control dress
It sets and is provided with insulating radiation glue between the metal isolation board.
In addition, a kind of anti-jamming electronic water pump is disclosed by Chinese utility model patent CN207073469U, including pump seat,
The pump cover being set on pump seat, the stator being set in pump seat, stator have a holding tank, are provided with rotor in holding tank, turn
The end of son is provided with impeller, is provided with intake tunnel and exhalant canal on the pump cover, wherein is located on the stator and accommodates
Seal groove is provided at the notch of slot, the lower end outer rim of the impeller is placed in the seal groove.
However, major part electronic water pump in the prior art, is that shaft is moulded in separation sleeve, in separation sleeve and outside
It is equipped with sealing ring between shell, spiral case, is equipped with bearing in rotor inner hole, which is set in shaft, is rotated.This
In injection molding, there are the bad phenomenons such as verticality, concentricity, and there is also shafts for the electronic water pump of kind structure, shaft and separation sleeve
The problems such as surface is easily scratched by mold.In addition, electronic water pump is during operation, because shaft verticality, concentricity etc. are bad, deposit
It is big in vibration, noise, the defects of stability, poor reliability, rotor concentricity is poor；Meanwhile sealing performance is also poor, assembly compared with
Complexity causes manufacturing cost higher.
Utility model content
The purpose of the utility model is to provide a kind of electronic water pump of aforementioned type, which can be with less zero
Number of packages amount and thus be present in above-mentioned technical problem in the prior art one of less installation complexity and cost solution
Or it is multinomial.
A scheme according to the present utility model, above-mentioned purpose realize that the electronic water pump includes by a kind of electronic water pump
Pump case, field frame assembly, rotor assembly and the rotor supporting body being supported in pump case and shaft, the shaft is in a manner of being able to rotate
It is supported in the medium pore of rotor supporting body, is propped up in a relatively unrotatable manner in one end back to pump case inner cavity of the shaft
Impeller, and the other end supporting rotor assembly in the shaft are held, wherein separation sleeve, the isolation are equipped in pump case inner cavity
Set part surrounds rotor assembly and pump case inner cavity is separated into first chamber and second chamber, wherein the separation sleeve and pump case
Integrally construct.
According to above scheme, since separation sleeve is integrally constructed with pump case, pump case can be with separation sleeve by way of injection molding
One-pass molding, therefore dimension control is more preferable.In addition, compared with traditional two sealing ring schemes of setting, this novel knot
The waterproof performance of structure is more excellent, even if will not impact for a long time to its waterproof performance by vibration in use process.In addition, root
It can be reduced at least one sealing ring according to this programme, do not need laborious seal separation sleeve and pump case and fix, therefore material cost
And manufacturing cost is minimized.
Preferably, shaft passes through bearing along its length and is medially supported in rotor supporting body.Due to this of shaft
Kind step mode, supporting and fixing point are located at the middle position of shaft, and the load distribution of shaft is more balanced, therefore makes an uproar at runtime
Sound is lower, vibrates smaller.So that the reliability of electronic water pump is further promoted.
An expansion scheme according to the present utility model, rotor supporting body is fixedly connected with pump case, preferably by using weldering
It connects or the modes such as viscose glue, wherein at least one sealing ring is equipped between rotor supporting body and pump case.Therefore, on the one hand pass through
Rotor supporting body is fixedly connected by welding or viscose glue etc. with pump case, on the other hand by the joint surface of rotor supporting body and pump case
Upper setting sealing ring realizes waterproof purpose.Here, welding or viscose glue are only carried out on several preferably uniformly distributed tie points, as long as really
It protects rotor supporting body to be fixedly connected with pump case, naturally it is also possible to circumferentially be welded or be bonded on entire joint surface.
Preferably, field frame assembly is fastened on the outside of pump case or is fastened on the outside of separation sleeve in pump case inner cavity.Here, fixed
It sub- assembly or is arranged on the outside of pump case or is arranged in pump case inner cavity around separation sleeve.It is fixed in both arrangements
Sub total Chengdu is arranged co-axially around rotor, to especially make stator mutually magnetic with stator under electronic water pump energized state
Ground effect.
Preferably, the control device being electrically connected with field frame assembly is fixedly installed in the second chamber of pump case inner cavity, it should
Control device is fixed on the rear seal cover board of electronic water pump.The rear seal cover board is preferably by thermally conductive good made of metal
At insulating radiation glue especially can be set between control device and rear seal cover board.
According to a kind of preferred expansion scheme, which further includes a cushion blocking, the cushion blocking and rear seal cover board
It is fixedly connected.Noise when electronic water pump operation and vibration can be further decreased by the cushion blocking.
Preferably, the spiral case of the electronic water pump is connected through a screw thread part and is fixedly connected with pump case, wherein in spiral case and pump case
Between be equipped with sealing ring, wherein inlet and outlet are configured on spiral case.
Particularly advantageously, rotor supporting body and pump case are used to receive the receptacle of rotor supporting body to have form for bearing
The structure of the shape of flange and supporting boss cooperation.Therefore, because the structure of this shape cooperation, it during installation can be rapidly by branch
It holds flange to be placed on correct position, simplifies installation process.
Preferably, shaft is especially being configured to multi-diameter shaft longitudinally asymmetricly, and wherein the centre portion of the multi-diameter shaft is straight
Diameter is corresponding with the internal diameter of the bearing in rotor supporting body, and the diameters of two end sections of the multi-diameter shaft is identical and is less than
Between section diameter.It, on the other hand can be with by the way that rotary shaft structure at multi-diameter shaft, is on the one hand reduced its weight and materials demand
The longitudinal register to rotor assembly and impeller is realized by the shaft shoulder in the case where being not necessarily to additional components.
Finally, the utility model further relates to a kind of vehicle, especially electric car comprising at least one is practical according to this
The novel electronic water pump.
Detailed description of the invention
Other characteristics and advantages of the utility model are provided by following by means of the preferred embodiment description of attached drawing.
Embodiment shown in figure is only a kind of possible embodiment of the utility model, specification, claim
And the feature in attached drawing including can also be combined with each other to obtain other different schemes in different ways.
Attached drawing is shown:
Fig. 1 is the sectional view by a kind of electronic water pump of the prior art；
Fig. 2 is the section by the electronic water pump of the utility model.
Specific embodiment
Fig. 1 shows the sectional view of the electronic water pump by the prior art.Existing electronic water can be known by the sectional view
The conventional structure of pump.As shown in Figure 1, electronic water pump includes pump case 11 and spiral case, water inlet 12 and water outlet are configured on spiral case
Mouthful.Partition 6 is equipped in pump case 11, which is divided into the inner cavity of pump case 11 mutually isolated first chamber 111 and the second chamber
Room 112.Field frame assembly 2, rotor assembly 3 and shaft 4 are provided in first chamber 111, and it is fixed in second chamber 112
It is provided with the controller 5 being electrically connected with field frame assembly 2, controller 5 is fixed on partition 6, between controller 5 and partition 6
It is additionally provided with insulating radiation glue 7.Rotor assembly 3 is supported in shaft 4 by bearing 31,32 in a manner of being able to rotate, in bearing
Cooling chamber 33 is formed between 31,32.Therefore the extension Construction integration of impeller 8 and rotor assembly simultaneously equally passes through bearing bearing
In shaft 4.It is formed with maze trough 81 on the wheel disc of impeller 8,82,83, maze trough obstructs spiral case water inlet directly and on spiral case
Exhalant canal connection, so that anti-non-return water effect, ensure that the water energy entered from the inlet is enough to the maximum extent from water outlet stream
Out.In first chamber 111, separation sleeve surrounds rotor assembly 3, and field frame assembly 2 surrounds 2 cloth of rotor assembly outside separation sleeve
It sets, the flange of separation sleeve is clamped between spiral case and pump case 11, and between spiral case and separation sleeve and in separation sleeve and pump
Sealing ring is respectively equipped between shell 11.Second chamber 112 is closed by rear sealing cover.
Fig. 2 shows the partial cross-sectional views of the electronic water pump 1 by the utility model.For clarity, do not show in Fig. 2
Spiral case and rear sealing cover out, can be with reference to the dependency structure in Fig. 1 with regard to this.For convenient for comparing, the identical component of identical or function
Using identical appended drawing reference.
As shown in Fig. 2, electronic water pump 1 includes pump case 11, field frame assembly 2, rotor assembly 3 and is supported in pump case 11
Rotor supporting body 9 and shaft 4.Rotor supporting body 9 and pump case 11 are for receiving the receptacle of rotor supporting body 9 to cooperate with shape
Structure, such as support flange and corresponding supporting boss.Rotor supporting body 9 for example passes through welding by the mechanism that shape cooperates
Or it is bonded and fixed on pump case 11, wherein at least one sealing ring is equipped between rotor supporting body 9 and pump case 11.Pass through weldering
It connects or on the one hand rotor supporting body is fixedly connected by viscose glue etc. with pump case, on the other hand pass through connecing in rotor supporting body and pump case
Sealing ring is set on conjunction face and realizes waterproof purpose.Here, can only be welded on one or several preferably uniformly distributed tie points
It connects or viscose glue is fixed, can also circumferentially be welded or be bonded on entire joint surface.
Shaft 4 is supported on rotor supporting body 9 the bearing 13 preferably with self-lubricating function in a manner of being able to rotate
In medium pore.The shaft 4 is supported with impeller 8 in one end back to pump case inner cavity in a relatively unrotatable manner, in the shaft 4
The other end be supported with rotor assembly 3, wherein separation sleeve 10 is equipped in pump case inner cavity, 10 part of the separation sleeve surrounds rotor
And pump case inner cavity is separated into first chamber 111 and second chamber 112, wherein the separation sleeve 10 and pump case 11 integrally structure
It makes.In the fabrication process, pump case 11 can the one-pass molding by way of injection molding with separation sleeve 10, therefore dimension control is more
It is good.In addition, this new structural waterproof performance is more excellent, even if using compared with traditional two sealing ring schemes of setting
Process for a long time will not impact its waterproof performance by vibration.
Here, field frame assembly 2 can be fastened on 11 outside of pump case, can also be fastened in pump case inner cavity outside separation sleeve 10
Side.In both arrangements, field frame assembly 2 is all arranged co-axially around rotor assembly 3, thus especially in electronic water pump
Act on stator mutually magnetically with stator.
The control device 5 being electrically connected with field frame assembly 2, the control are fixedly installed in the second chamber 112 of pump case inner cavity
Device 5 processed is fixed on rear seal cover board.The rear seal cover board is preferably made of thermally conductive good metal, especially exists
Insulating radiation glue can be set between control device 5 and rear seal cover board.It can also be fixedly connected with and subtract in rear seal cover board
Vibration pad.Noise when electronic water pump operation and vibration can be further decreased by the cushion blocking.
The spiral case of electronic water pump 1 is connected through a screw thread part and is fixedly connected with pump case 11, wherein between spiral case and pump case 11
Equipped at least one sealing ring, wherein be configured with water inlet 12 and water outlet on spiral case.
Although being not illustrated in detail, in order to further decrease noise and the vibration during electronic water pump 1 is run, shaft 4 can
It is medially supported in rotor supporting body 9 with passing through bearing along its length.Due to this step mode of shaft 4, bearing
Fixed point is located at the middle position of shaft 4, and the load distribution of shaft 4 is more balanced so that the reliability of electronic water pump 1 obtain into
One step is promoted.In addition, shaft 4 can symmetrically be configured to multi-diameter shaft about it in longitudinal direction.By the way that shaft 4 is configured to rank
On the one hand terraced axis reduces its weight and materials demand, on the other hand can pass through the shaft shoulder in the case where being not necessarily to additional components
Realize the longitudinal register to rotor assembly 3 and impeller 8.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
It is understood that embodiment of above is merely to illustrate that the design of the utility model and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of electronic water pump (1) comprising pump case (11), field frame assembly (2), rotor assembly (3) and be supported on pump case
(11) rotor supporting body (9) and shaft (4) in, the shaft (4) are supported in rotor supporting body (9) in a manner of being able to rotate
In central aperture, it is supported in a relatively unrotatable manner impeller (8) in one end back to pump case inner cavity of the shaft (4), and
In the other end supporting rotor assembly (3) of the shaft (4), which is characterized in that separation sleeve (10) are equipped in pump case inner cavity, it should be every
Rotor assembly (3) are surrounded from set (10) and pump case inner cavity is separated into first chamber (111) and second chamber (112), wherein institute
Separation sleeve (10) is stated integrally to construct with pump case (11).
2. electronic water pump (1) as described in claim 1, which is characterized in that the shaft (4) passes through bearing along its length
It is medially supported in the rotor supporting body (9).
3. electronic water pump (1) as claimed in claim 1 or 2, which is characterized in that the rotor supporting body (9) and pump case (11)
It is fixedly connected, wherein at least one sealing ring is equipped between the rotor supporting body (9) and pump case (11).
4. electronic water pump (1) as claimed in claim 1 or 2, which is characterized in that the field frame assembly (2) is fastened on pump case
(11) it is fastened on the outside of or in pump case inner cavity on the outside of separation sleeve (10).
5. electronic water pump (1) as claimed in claim 1 or 2, which is characterized in that in the second chamber (112) of pump case inner cavity
It is fixedly installed the control device (5) being electrically connected with field frame assembly (2), which is fixed at electronic water pump
Afterwards on seal cover board.
6. electronic water pump (1) as claimed in claim 1 or 2, which is characterized in that the electronic water pump further includes a cushion blocking, should
Cushion blocking is fixedly connected with rear seal cover board.
7. electronic water pump (1) as claimed in claim 1 or 2, which is characterized in that the spiral case of the electronic water pump (1) passes through screw thread
Connector is fixedly connected with pump case (11), wherein sealing ring is equipped between spiral case and pump case (11), wherein the structure on spiral case
Water inlet (12) and water outlet are made.
8. electronic water pump (1) as claimed in claim 1 or 2, which is characterized in that the rotor supporting body (9) and pump case (11)
It is the shape cooperation of support flange and corresponding supporting boss that receptacle for receiving the rotor supporting body (9), which has form,
Structure.
9. electronic water pump (1) as claimed in claim 1 or 2, which is characterized in that the shaft (4) is symmetrically configured to ladder
Axis, wherein the diameter of the centre portion of the multi-diameter shaft is corresponding with the internal diameter of bearing in rotor supporting body (9), the multi-diameter shaft
Two end sections diameter it is identical and be less than centre portion diameter.
10. a kind of vehicle, which is characterized in that the vehicle has at least one according to any one of the preceding claims
Electronic water pump (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009200.1U CN209458187U (en) | 2019-01-03 | 2019-01-03 | Electronic water pump and vehicle with the electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009200.1U CN209458187U (en) | 2019-01-03 | 2019-01-03 | Electronic water pump and vehicle with the electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458187U true CN209458187U (en) | 2019-10-01 |
Family
ID=68043610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920009200.1U Active CN209458187U (en) | 2019-01-03 | 2019-01-03 | Electronic water pump and vehicle with the electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983857A (en) * | 2021-04-23 | 2021-06-18 | 宁波锚点驱动技术有限公司 | Corrosion-resistant electric fan |
| CN115288837A (en) * | 2022-08-01 | 2022-11-04 | 常州恩都法新能源汽车科技有限公司 | Electronic water pump with drive plate heat dissipation mechanism |
-
2019
- 2019-01-03 CN CN201920009200.1U patent/CN209458187U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983857A (en) * | 2021-04-23 | 2021-06-18 | 宁波锚点驱动技术有限公司 | Corrosion-resistant electric fan |
| CN115288837A (en) * | 2022-08-01 | 2022-11-04 | 常州恩都法新能源汽车科技有限公司 | Electronic water pump with drive plate heat dissipation mechanism |
| CN115288837B (en) * | 2022-08-01 | 2024-05-17 | 常州恩都法新能源汽车科技有限公司 | Electronic water pump with driving plate heat dissipation mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 27 North Road Patentee after: WeiPai automotive electronics (Wuhu) Co., Ltd Address before: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 27 North Road Patentee before: Continental automotive electronics (Wuhu) Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |