CN202926618U - Motor pump unit - Google Patents
Motor pump unit Download PDFInfo
- Publication number
- CN202926618U CN202926618U CN 201220554795 CN201220554795U CN202926618U CN 202926618 U CN202926618 U CN 202926618U CN 201220554795 CN201220554795 CN 201220554795 CN 201220554795 U CN201220554795 U CN 201220554795U CN 202926618 U CN202926618 U CN 202926618U
- Authority
- CN
- China
- Prior art keywords
- oil
- motor
- motor casing
- oil duct
- flinger ring
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a motor pump unit which comprises an electronic pump case and a motor case with one end opened, wherein an oil deflector ring is additionally arranged between the motor case and the electronic pump case, one end surface of the oil deflector ring supports against a first step and a stator core along the axial direction, and the other end surface of the oil deflector ring supports against the electronic pump case, thus coolant oil is prevented from reflowing into the motor case through a gap between the stator core and an annular bulge, the coolant oil enters an oil storage chamber through an oil channel formed by first and second oil channels and oil outlet holes, the coolant oil can be cooled according to the designed oil path through additionally arranging the oil deflector ring, the requirement for the oil channel change can be met by only changing the quantity of the second oil channels of the oil deflector ring when the oil path is changed, and then the flexibility in operation is greatly improved.
Description
Technical field
The utility model relates to a kind of motor-mount pump unit.
Background technique
Application number in the Chinese invention patent application prospectus " 200480004388.7 " name is called " motor-pump assembly " and discloses a kind of motor-pump assembly especially for the automobile power steering system, comprises a housing, a pump and a drive motor; Pump is made prefabricated pump module; No matter be that pump module or motor all are directly installed in housing.Motor adopts the oil cooling mode, and the rotor of oil duct, electronic pump, motor is integral type.
The shell construction complicated processing difficulty of this integrated motor is large, be unfavorable for machining, especially oil duct determines just to be difficult to change adjusting once design again, particularly concerning oil circuit, oil mass have the different serial motors that require, to often change motor oil circuit and position, this design operation flexibility shortcoming, processing cost is high.
Summary of the invention
A purpose of the present utility model is the deficiency of one of above-mentioned prior art, the motor-mount pump unit that provides a kind of oil circuit to change flexibly.
a kind of motor-mount pump unit, comprise the electronics pump case and have the motor casing of an end opening, the inwall of described motor casing in axial direction extends and is provided with some grooves, described electronics pump case is arranged on motor casing by the end face of motor casing opening side, the motor casing inwall is along being circumferentially with first step, the intersection on the plane, step surface place of described groove and first step is provided with the first oil duct for the cold oil circulation, described the first oil duct extends to the end face of motor casing opening side, described motor-mount pump unit also comprises flinger ring, flinger ring has two end faces, end face of described flinger ring is in axial direction against first step and stator iron core, another end face of described flinger ring is against the electronics pump case, described flinger ring can seal described groove, described flinger ring is provided with the second oil duct, the first oil duct and the second oil duct are formed for the oil duct of cold oil circulation, the number of described the second oil duct is less than or equal to the number of described groove.
Further, the step surface of described first step and stator iron core are positioned at same plane towards the end face of opening.
Further, described electronics pump case is provided with annular protrusion towards motor casing one side, and annular protrusion is along the motor casing axial direction against flinger ring, described flinger ring and motor casing interference fit, described annular protrusion and motor casing interference fit.
Further, the inwall of wound motor shell is uniform four grooves along the circumferential direction, and the first oil duct has four, and described four the first oil ducts along the circumferential direction are distributed on the end face of motor casing opening side.
Further, described the second oil duct has four and along the circumferential direction be distributed on described flinger ring.
Further, described electronics pump case is provided with the oil outlet that passes through for cold oil, and described oil inlet hole is communicated with the second oil duct, and described the first oil duct, the second oil duct and oil outlet form oil duct.
Further, described electronics pump case comprises that being provided with the cavity body of holding oil pump reaches the accumulator isolated with cavity body, and described cavity body is positioned at accumulator, and described oil outlet is communicated with accumulator, and described cavity body is provided with the oilhole that enters that communicates with motor casing.
Further, described motor-mount pump unit also comprises oil exit pipe and return tube, and described oil exit pipe is communicated with accumulator, and described return tube is communicated with cavity body.
Further, the excircle of described flinger ring is provided with the limit dais for the location, and the end face of described motor casing opening side is provided with correspondence and is provided with the restraining groove that holds limit dais.
a kind of motor-mount pump unit that the utility model provides comprises the electronics pump case and has the motor casing of an end opening, in axial direction extend at the inwall of motor casing and be provided with some grooves, the motor casing inwall is along being circumferentially with first step, intersection on the plane, step surface place of groove and first step is provided with the first oil duct for the cold oil circulation, the first oil duct extends to the end face of opening along the motor casing axial direction, install flinger ring additional between motor casing and electronics pump case, an end face of flinger ring is in axial direction against first step and stator iron core, flinger ring be provided with can the conducting groove the second oil duct, the number of the second oil duct is less than or equal to the number of groove, when needs change oil circuit, the the second oil duct number that only needs to change flinger ring namely can satisfy the requirement that oil circuit or oil duct change, the flexibility of operation improves greatly.
Description of drawings
Fig. 1 is a kind of embodiment's of the utility model motor structural representation.
Fig. 2 is a kind of embodiment's of the utility model motor the structural representation of motor casing.
Fig. 3 is a kind of embodiment's of the utility model motor the structural representation of flinger ring.
Fig. 4 is a kind of embodiment's of the utility model motor the structural representation of electronics pump case.
Fig. 5 is a kind of embodiment's of the utility model motor integrally-built exploded perspective view.
Wherein: motor casing 1; Electronics pump case 2; Groove 3; First step 4; Flinger ring 5; The first oil duct 6; The first attachment face 7; Oil outlet 8; Cavity body 9; The second attachment face 10; Limit dais 11; Restraining groove 12; Stator iron core 13; The second oil duct 14; Annular protrusion 15.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
as shown in Figure 1, a kind of motor-mount pump unit that the utility model provides, comprise electronics pump case 2 and have the motor casing 1 of an end opening, the inwall of described motor casing 1 in axial direction extends and is provided with some grooves 3, motor casing 1 is provided with stator iron core 13, described electronics pump case 2 is arranged on motor casing 1 by the end face of motor casing 1 opening side, motor casing 1 inwall is along being circumferentially with first step 4, the intersection on the plane, step surface place of described groove 3 and first step 4 stretches out along motor casing 1 radial direction and is provided with the first oil duct 6 that circulates for cold oil, described the first oil duct 6 extends to the end face of motor casing 1 opening side, preferably, extend to the end face of motor casing 1 opening side along motor casing 1 axial direction, save the path, described motor-mount pump unit also comprises flinger ring 5, flinger ring 5 has two end faces, an end face of described flinger ring 5 is in axial direction against first step 4 and stator iron core 13, and described flinger ring 5 another end faces are against electronics pump case 2, and described flinger ring 5 can seal described groove 3.
Need to prove, the shape of the first oil duct satisfies cold oil circulation and gets final product, inclined-plane, step surface or arc surface all can, in the present embodiment, the first oil duct 6 is step surface.
Be resisted against simultaneously the end face of first step 4 and stator iron core 13 for the ease of flinger ring 5, the step surface of described first step 4 and stator iron core 13 are positioned at same plane towards the end face of opening, make flinger ring 5 the situation of leakage of oil can not occur.
In order to make be connected between electronics pump case 2 and motor casing 1 more firm, described electronics pump case 2 is provided with annular protrusion 15 towards motor casing 1 one sides, annular protrusion 15 is along motor casing 1 axial direction against flinger ring 5, described flinger ring 5 and motor casing 1 body interference fit, described annular protrusion 15 and motor casing 1 interference fit, motor casing 1 is set on annular protrusion 15 both can improve both join strengths, also make flinger ring 5 at the end face against lower compression first step 4 and stator iron core 13 of annular protrusion 15, avoided equally the generation of leakage of oil situation.
In order to make flinger ring 5 better block groove 3, the width of first step 4 should be equal to, or greater than the degree of depth of groove 3, makes when not needing cold oil to flow, and flinger ring 5 can be closed groove 3, stops flowing of cold oil.
In order to satisfy the free adjusting of oil circuit or oil mass, thereby come the number of closed groove 3 to regulate oil circuit and oil mass by design flinger ring 5 structures, described flinger ring 5 is provided with the second oil duct 14, the number of described the second oil duct 14 is less than or equal to the number of described groove 3, how much determine the conducting number of groove 3 by the number that designs the second oil duct 14, and then the variation of oil circuit control and oil mass.
Described the second oil duct 14 is positioned at the boundary of end face and the sidewall of flinger ring 5, and the second oil duct 14 can or can be communicated with the pipeline of end face and sidewall for breach, and flinger ring 5 adopts resilient materials, adopts polybutylene-terephthalate to make in the present embodiment.
Described electronics pump case 2 is provided with the oil outlet 8 that passes through for cold oil, described oil inlet hole is communicated with the second oil duct 14, described the first oil duct 6, the second oil duct 14 and oil outlet 8 form oil ducts, preferred oil outlet 8 be shaped as long strip, corresponding with the shape of groove 3.
Described electronics pump case 2 comprises that being provided with the cavity body 9 of holding oil pump reaches the accumulator isolated with cavity body 9, described cavity body 9 is positioned at accumulator, the cavity body 9 and the accumulator that are positioned at electronics pump case 2 do not communicate, be used for depositing the cold oil of oil pump and low temperature in cavity body 9, store the cold oil with heat of motor casing 1 inside of flowing through in accumulator, described oil outlet 8 is communicated with accumulator, described cavity body 9 is provided with the oilhole that enters that communicates with motor casing 1 body, by oil pump, cold oil is pumped into motor casing 1 inside by entering oilhole.
Described motor-mount pump unit is provided with oil exit pipe and return tube, described oil exit pipe is communicated with accumulator, described return tube is communicated with cavity body 9, in the prior art, cold oil in accumulator need to arrange through the periphery and filter and sink is processed, oil exit pipe is communicated with said apparatus, and after the processing such as process filtration and heat radiation, by the defeated cavity body 9 of getting back to of return tube, oil pump is proceeded heat radiation work.
In the present embodiment, the inwall of wound motor shell 1 is uniform four grooves 3 along the circumferential direction, the first oil duct 6 respective grooves 3 are four, described four the first oil ducts 6 along the circumferential direction are distributed on open end, distance between adjacent trenches 3 equates, described the second oil duct 14 has four and along the circumferential direction be distributed on described flinger ring 5.
In this programme, motor certainly also comprises rotor, is used for the cover plate of support rotor, described motor casing 1 one ends are by covering palte seal, rotating shaft one end of described rotor supports on the cover board, and the bearing of establishing for the support rotor rotating shaft is arranged on electronics pump case 2, keeps the motor normal operation.
Although flinger ring 5 adopts interference fit to fix with motor casing 1, after machine operation, temperature raises, flinger ring 5 is different with the expansion coefficient of motor casing 1, the situation that is easy to be offset, and the excircle of described flinger ring 5 is provided with the limit dais 11 for the location, the end face of described opening is provided with correspondence and is provided with the restraining groove 12 that holds limit dais 11, cooperation by limit dais 11 and restraining groove 12 positions flinger ring 5, avoid flinger ring 5 skew that rotates, so that groove 3 is plugged.
The below introduces oil circuit running route in the technical program:
the oil pump that is positioned at cavity body 9 pumps into motor casing 1 with cold oil by entering oilhole, flow through motor casing 1 inside of cold oil, take away the heat of rotor and stator iron core 13 generations by the heat transmission, the cold oil that is positioned at motor casing 1 inside due to the effect of oil pump has very high oil pressure, flinger ring 5 is between stator iron core 13 and annular protrusion 15, cold oil is along groove 3 to flowing to first step 4, cold oil can be not again flow to motor casing 1 inside again by the gap between stator iron core 13 and annular protrusion 15, cold oil flows into accumulator by the oil duct that the first oil duct 6 and the second oil duct 14 oil outlets 8 form, discharge electronics pump case 2 by the oil exit pipe of accumulator again, after waiting device to process, heat radiation have return tube to return in cavity body 9 through peripheral the filtration, move in circles, make cold oil to complete cooling down operation according to design route in motor casing 1 inside by flinger ring 5.
a kind of motor-mount pump unit that the utility model provides comprises electronics pump case 2 and has the motor casing 1 of an end opening, in axial direction extend at the inwall of motor casing 1 and be provided with some grooves 3, motor casing 1 inwall is along being circumferentially with first step 4, intersection on groove 3 and the plane, step surface place of first step 4 is provided with the first oil duct 6 for the cold oil circulation, the first oil duct 6 extends to the end face of opening along motor casing 1 axial direction, install flinger ring 5 additional between motor casing 1 and electronics pump case 2, an end face of flinger ring 5 is in axial direction against first step 4 and stator iron core 13, another end face of flinger ring 5 is against electronics pump case 2, stop cold oil again to be back in motor casing 1 through the gap of stator iron core 13 and annular protrusion 15, cold oil enters in accumulator through the oil duct of the first oil duct 6 and the second oil duct 14 and oil outlet 8 formation, second oil duct 14 numbers that only need to change flinger ring 5 when the change oil circuit both can satisfy oil duct and change requirement, the flexibility of operation improves greatly, in addition, install flinger ring 5 additional and can prevent cold oil return between stator iron core 13 and annular protrusion 15.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. motor-mount pump unit, comprise the electronics pump case and have the motor casing of an end opening, the inwall of described motor casing in axial direction extends and is provided with some grooves, it is characterized in that, described electronics pump case is arranged on motor casing by the end face of motor casing opening side, the motor casing inwall is along being circumferentially with first step, the intersection on the plane, step surface place of described groove and first step is provided with the first oil duct for the cold oil circulation, described the first oil duct extends to the end face of motor casing opening side, described motor-mount pump unit also comprises flinger ring, flinger ring has two end faces, end face of described flinger ring is in axial direction against first step and stator iron core, another end face of described flinger ring is against the electronics pump case, described flinger ring can seal described groove, described flinger ring is provided with the second oil duct, the first oil duct and the second oil duct are formed for the oil duct of cold oil circulation, the number of described the second oil duct is less than or equal to the number of described groove.
2. motor-mount pump unit according to claim 1, is characterized in that, the step surface of described first step and stator iron core are positioned at same plane towards the end face of opening.
3. motor-mount pump unit according to claim 1, it is characterized in that, described electronics pump case is provided with annular protrusion towards motor casing one side, and annular protrusion is along the motor casing axial direction against flinger ring, described flinger ring and motor casing interference fit, described annular protrusion and motor casing interference fit.
4. motor-mount pump unit according to claim 3, is characterized in that, the inwall of wound motor shell is uniform four grooves along the circumferential direction, and the first oil duct has four, and described four the first oil ducts along the circumferential direction are distributed on the end face of motor casing opening side.
5. motor-mount pump unit according to claim 4, is characterized in that, described the second oil duct has four and along the circumferential direction be distributed on described flinger ring.
6. motor-mount pump unit according to claim 5, is characterized in that, described electronics pump case is provided with the oil outlet that passes through for cold oil, and described oil inlet hole is communicated with the second oil duct, and described the first oil duct, the second oil duct and oil outlet form oil duct.
7. motor-mount pump unit according to claim 6, it is characterized in that, described electronics pump case comprises that being provided with the cavity body of holding oil pump reaches the accumulator isolated with cavity body, described cavity body is positioned at accumulator, described oil outlet is communicated with accumulator, and described cavity body is provided with the oilhole that enters that communicates with motor casing.
8. motor-mount pump unit according to claim 7, is characterized in that, described motor-mount pump unit also comprises oil exit pipe and return tube, and described oil exit pipe is communicated with accumulator, and described return tube is communicated with cavity body.
9. motor-mount pump unit according to claim 1, is characterized in that, the excircle of described flinger ring is provided with the limit dais for the location, and the end face of described motor casing opening side is provided with correspondence and is provided with the restraining groove that holds limit dais.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554795 CN202926618U (en) | 2012-10-26 | 2012-10-26 | Motor pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220554795 CN202926618U (en) | 2012-10-26 | 2012-10-26 | Motor pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926618U true CN202926618U (en) | 2013-05-08 |
Family
ID=48216587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220554795 Expired - Lifetime CN202926618U (en) | 2012-10-26 | 2012-10-26 | Motor pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926618U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855051A (en) * | 2015-12-09 | 2017-06-16 | Fte汽车股份有限公司 | The fluid pump of motor-driven |
| CN111022416A (en) * | 2019-12-24 | 2020-04-17 | 上海交通大学 | Swing motor with parallel circulating cooling oil ducts |
| CN113212134A (en) * | 2021-06-18 | 2021-08-06 | 中国第一汽车股份有限公司 | Electric drive assembly and vehicle |
-
2012
- 2012-10-26 CN CN 201220554795 patent/CN202926618U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855051A (en) * | 2015-12-09 | 2017-06-16 | Fte汽车股份有限公司 | The fluid pump of motor-driven |
| CN106855051B (en) * | 2015-12-09 | 2020-03-13 | Fte汽车股份有限公司 | Motor-driven fluid pump |
| CN111022416A (en) * | 2019-12-24 | 2020-04-17 | 上海交通大学 | Swing motor with parallel circulating cooling oil ducts |
| CN111022416B (en) * | 2019-12-24 | 2021-09-07 | 上海交通大学 | Swing motor with parallel circulating cooling oil ducts |
| CN113212134A (en) * | 2021-06-18 | 2021-08-06 | 中国第一汽车股份有限公司 | Electric drive assembly and vehicle |
| CN113212134B (en) * | 2021-06-18 | 2023-07-04 | 中国第一汽车股份有限公司 | Electric drive assembly and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |