CN202009303U - Oil pump motor - Google Patents

Oil pump motor Download PDF

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Publication number
CN202009303U
CN202009303U CN2011200285811U CN201120028581U CN202009303U CN 202009303 U CN202009303 U CN 202009303U CN 2011200285811 U CN2011200285811 U CN 2011200285811U CN 201120028581 U CN201120028581 U CN 201120028581U CN 202009303 U CN202009303 U CN 202009303U
Authority
CN
China
Prior art keywords
oil pump
motor
cavity
oil
rotating shaft
Prior art date
Application number
CN2011200285811U
Other languages
Chinese (zh)
Inventor
于德刚
Original Assignee
比亚迪股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Priority to CN2011200285811U priority Critical patent/CN202009303U/en
Application granted granted Critical
Publication of CN202009303U publication Critical patent/CN202009303U/en

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Abstract

The utility model discloses an oil pump motor. The motor part comprises a motor housing, a motor stator, a motor rotor and a rotary shaft, the oil pump part comprises an oil pump stator and an oil pump rotor, and is arranged on the rotary shaft of the motor, and the rotary shaft is shared by the oil pump part and the motor. An oil pump and the motor are integrated, a coupling is dispensed with, and thereby the total size is reduced; and because the rotary shaft is of a hollow structure, an oil passage passes through the interior of the motor to bring away heat, and thereby a good cooling effect is achieved.

Description

A kind of Oil pump electrical machinery
Technical field
The utility model relates to a kind of Oil pump electrical machinery, relates in particular to a kind of integrated Oil pump electrical machinery.
Background technology
At present, common hydraulic oil pump assembly is an independent structures between drive motors and the oil pump body normally on the market, and they connect by shaft coupling, carry out the power transmission, in such cases, the volume of system synthesis is big, and because of connecting in the middle of increasing, coaxial accuracy is low, operating noise is big, transmission efficiency is also lower, and the wearing and tearing because of shaft coupling have reduced useful life in addition, safeguards more loaded down with trivial details; The patent No. is that the Chinese patent of CN96223802 discloses a kind of Oil pump electrical machinery system that adopts keyway to connect, because relating separately to two parts is oil pump and drive axle of motor, the axiality of its cooperation requires high, rotating shaft processing technology complexity, be easy to generate noise after the assembling, and long-time the use, spindle nose can wear and tear, and the life-span is short, safeguard more numerous and diverse, need to change rotor, it cooperates the requirement of strength height to adopt keyway in addition, and undercapacity can produce fracture failure.
In addition, normally used oil pump drive motors mostly is the asynchronous machine or the brush direct current motor of absolute construction on the market, because of motor is independently, can't utilize the oil piping system heat radiation of oil pump itself, need to consider in addition radiating mode, general motor adopts natural cooling or air-cooled, and the motor that power is bigger adopts water-cooling pattern, but the structure more complicated, volume increases, generally can not be shared with oil pump, cost and the corresponding increase of volume meeting, use cost height.
The utility model content
The problem that the utility model connects by shaft coupling at Oil pump electrical machinery in the prior art makes that the system synthesis volume is big, can't dispel the heat by oil circuit, transmission efficiency is low provides a kind of volume little, good heat dissipation effect, the Oil pump electrical machinery that transmission efficiency is high.
The utility model provides a kind of Oil pump electrical machinery, wherein, comprise oil pump part and motor part, described motor section branch comprises the motor cavity body, electric machine casing, motor stator, rotor, rotating shaft, described oil pump partly comprises oil-out, the oil pump cavity that is communicated with oil-out, and the oil pump stator and the oil Pump rotor that are positioned at the oil pump cavity, it is characterized in that, described oil pump partly is arranged on the described machine shaft, with the rotating shaft of motor partial common, described rotating shaft has axially extending bore, described electric machine casing is provided with inlet port, and an end of described through hole is communicated with described inlet port, and the other end of described through hole is connected with the oil pump cavity.
Further, described electric machine casing is provided with first supporting seat that is used for supporting revolving shaft, the described first supporting seat inside is provided with cavity, the end that described rotating shaft is positioned at the motor cavity by Bearing Installation at described first supporting seat, described cavity is communicated with described through hole, also is provided with the passage that is communicated with described cavity and described inlet port on the electric machine casing.
Further, described oil pump part comprises that also oil pump protecgulum and oil pump rear lid, described rotating shaft pass described oil pump protecgulum and be supported on the described oil pump rear lid, and described oil Pump rotor is set on the described machine shaft.
Further, described oil pump stator and described oil pump rear lid are fixed together, and described electric machine casing and described oil pump protecgulum and oil pump rear lid are passed through bolt.
Further, described oil pump rear lid is provided with second supporting base, and the end that described rotating shaft is positioned at oil pump is installed on described second supporting seat by oiliness bearing, and the end that described through hole is positioned at oil pump is communicated with the oil pump cavity by containing bearing.
Further, also be provided with first oilhole that is used for communication passage and motor cavity on the electric machine casing, the side towards the motor cavity body on the described oil pump protecgulum is provided with the oil storage cavity that is communicated with the oil pump cavity,
Further, described rotating shaft is provided with second oilhole that communicates with described oil storage cavity.
Further, the mating surface of described electric machine casing and described oil pump protecgulum is provided with first sealing ring, and the mating surface of described oil pump protecgulum and described oil pump stator is provided with second sealing ring, and the mating surface of described oil pump rear lid and oil pump stator is provided with the 3rd sealing ring.
Further, described motor partly adopts brushless structure.
By above technical scheme, the motor part is integrated with the rotating shaft of oil pump partial common, cancelled shaft coupling, from structure the Oil pump electrical machinery volume is reduced, structure is more compact; Rotating shaft adopts hollow-core construction that oil circuit is passed through from Oil pump electrical machinery inside, has realized the cooling effect to motor, and recycle oil has played lubrication to the bearing at two ends does not simultaneously need to increase lubricating arrangement, has prolonged the useful life of motor.
Description of drawings
Accompanying drawing 1 is the cutaway view of a kind of embodiment of the utility model.
Embodiment
Clearer for technical problem, technical 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 explanation the utility model, and be not used in qualification the utility model.
A kind of Oil pump electrical machinery that the utility model provides, comprise motor part and oil pump part, the motor section branch comprises motor cavity body, electric machine casing 1, motor stator 2, rotor 5, rotating shaft 3, oil pump partly comprises oil-out 13, the oil pump cavity that is communicated with oil-out 13, oil pump stator 9, oil Pump rotor 10; Described oil pump partly is arranged in the rotating shaft 3 of motor, with motor partial common rotating shaft 3, described rotating shaft 3 has axially extending bore 11, and described electric machine casing 1 is provided with inlet port 20, one end of described through hole 11 is communicated with described inlet port 20, and the other end of described through hole 11 is communicated with described oil pump cavity.
Particularly, described electric machine casing 1 is provided with first supporting seat that is used for supporting revolving shaft 3, the first supporting seat inside is provided with cavity 16, the end that described rotating shaft 3 is positioned at the motor cavity is installed in described supporting seat by bearing 17, cavity 16 is communicated with through hole 11, also is provided with the passage 18 that is communicated with cavity 16 and inlet port 20 on the electric machine casing 1.
The oil pump part also comprises oil pump protecgulum 7 and oil pump rear lid 23, described rotating shaft 3 is passed oil pump protecgulum 7 and is supported on the oil pump rear lid 23, described oil Pump rotor 10 is set on the described machine shaft 3, described oil pump rear lid 23 is fixed together with oil pump stator 9, and electric machine casing 1 is fixing by bolt 15 with oil pump protecgulum 7 and oil pump rear lid 23; Oil pump rear lid 23 is provided with second supporting seat, and the end that rotating shaft 3 is positioned at oil pump is installed on second supporting seat by oiliness bearing 12, and the end that through hole 11 is positioned at oil pump is communicated with the oil pump cavity by oiliness bearing 12.
Also be provided with first oilhole 19 that is used for communication passage 18 and motor cavity on the electric machine casing 1, the side towards the motor cavity body on the oil pump protecgulum is provided with the oil storage cavity 8 that is communicated with the oil pump cavity, and rotating shaft 3 is provided with second oilhole 21 that communicates with oil storage cavity 8.
Motor partly adopts brushless structure, electric machine casing 1 carries out integral molded plastic and processing after press-fiting with motor stator 2, press-fit and be integral with rotating shaft 3 after rotor 5 automatic press are finished, at rotor 5 mounted on surface magnet steel 4, magnet steel 4 outer surface riveting linings 6, end in rotating shaft 3 is installed bearing 17, and the integral body of rotor after finishing and the injection moulding of housing stator press-fits, and motor is partly finished assembling.
Oil pump protecgulum 7 is enclosed within the rotating shaft 3 and is installed together with electric machine casing 1, pack on the oil pump protecgulum 7 oil Pump rotor 10 and oil pump stator 9, oil pump rear lid 23 is fixed together with oil pump stator 9, and wherein electric machine casing 1 is fixed together by bolt 15 with oil pump protecgulum 7 and oil pump rear lid 23.First sealing ring 24 is installed on oil pump protecgulum 7 and electric machine casing 1 mating surface, second sealing ring 25 is installed on oil pump protecgulum 7 and oil pump stator 9 mating surfaces, installation the 3rd sealing ring 14 on oil pump rear lid 23 and oil pump stator 9 mating surfaces.
Be processed with oil storage cavity 8 on the oil pump protecgulum 7, and communicate with air gap between oil pump stator 9 and the oil Pump rotor 10, oiliness bearing 12 is installed on the oil pump rear lid 23, and oiliness bearing 12 endoporus are communicated with through hole 11 in the rotating shaft 3, have oil-out 13 to be used for being connected with exterior line on the oil pump rear lid 23.
During Oil pump electrical machinery work, oil enters passage 18 on the housing 1 from being positioned at inlet port 20 on the electric machine casing 1, separated into two parts, a part enters cavity 16 by passage 18, through hole 11 in the rotating shaft 3 links to each other with cavity 16, cavity 16 links to each other with the motor bearings chamber simultaneously, oil in the cavity 16 can be lubricated bearing 17, the through hole 11 of the oil of this part in rotating shaft 3 flows into the oil storage cavity 8 that enters the oil pump protecgulum through second oilhole 21, oil in the oil storage cavity 8 enters the rotor part of oil pump, work forms hydraulic oil outflow oil-out 13 through oil pump self, enter steering or other hydraulic systems, oil flows through from the through hole 11 of rotating shaft 3, takes away the heating of rotor 5, has played the effect of cooling; Another part oil enters motor internal from first oilhole 19 on the housing 1, flow into oil storage cavity 8 by the air gap between motor stator 2 and the rotor 5, meet at oil storage cavity 8 with the oil that flows out from oilhole 21, oil in the oil storage cavity 8 enters the rotor part of oil pump, work forms hydraulic oil outflow oil-out 13 through oil pump self, changes steering or other hydraulic systems over to.This part oil flows through from the electric machine rotor air gap, has taken away the heat that rotor partly distributes, and has played good heat-radiation effect.
By above technical scheme, the motor part is integrated with the rotating shaft of oil pump partial common, cancelled shaft coupling, from structure the Oil pump electrical machinery volume is reduced, structure is more compact; Rotating shaft adopts hollow-core construction that oil circuit is passed through from Oil pump electrical machinery inside, has realized the cooling effect to motor, and recycle oil has played lubrication to the bearing at two ends does not simultaneously need to increase lubricating arrangement, has prolonged the useful life of motor.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.

Claims (9)

1. Oil pump electrical machinery, comprise oil pump part and motor part, described motor section branch comprises the motor cavity body, electric machine casing, motor stator, rotor, rotating shaft, described oil pump partly comprises oil-out, the oil pump cavity that is communicated with oil-out, and the oil pump stator and the oil Pump rotor that are positioned at the oil pump cavity, it is characterized in that, described oil pump partly is arranged on the described machine shaft, with the rotating shaft of motor partial common, described rotating shaft has axially extending bore, described electric machine casing is provided with inlet port, one end of described through hole is communicated with described inlet port, and the other end of described through hole is connected with the oil pump cavity.
2. Oil pump electrical machinery according to claim 1, it is characterized in that, described electric machine casing is provided with first supporting seat that is used for supporting revolving shaft, the described first supporting seat inside is provided with cavity, the end that described rotating shaft is positioned at the motor cavity by Bearing Installation at described first supporting seat, described cavity is communicated with described through hole, also is provided with the passage that is communicated with described cavity and described inlet port on the electric machine casing.
3. Oil pump electrical machinery according to claim 2 is characterized in that, described oil pump part comprises that also oil pump protecgulum and oil pump rear lid, described rotating shaft pass described oil pump protecgulum and be supported on the described oil pump rear lid, and described oil Pump rotor is set on the described machine shaft.
4. Oil pump electrical machinery according to claim 3 is characterized in that, described oil pump stator and described oil pump rear lid are fixed together, and described electric machine casing and described oil pump protecgulum and oil pump rear lid are passed through bolt.
5. Oil pump electrical machinery according to claim 3, it is characterized in that, described oil pump rear lid is provided with second supporting base, the end that described rotating shaft is positioned at oil pump is installed on described second supporting seat by oiliness bearing, and the end that described through hole is positioned at oil pump is communicated with the oil pump cavity by containing bearing.
6. Oil pump electrical machinery according to claim 3 is characterized in that, also is provided with first oilhole that is used for communication passage and motor cavity on the electric machine casing, and the side towards the motor cavity body on the described oil pump protecgulum is provided with the oil storage cavity that is communicated with the oil pump cavity.
7. Oil pump electrical machinery according to claim 6 is characterized in that, described rotating shaft is provided with second oilhole that communicates with described oil storage cavity.
8. Oil pump electrical machinery according to claim 3, it is characterized in that, the mating surface of described electric machine casing and described oil pump protecgulum is provided with first sealing ring, the mating surface of described oil pump protecgulum and described oil pump stator is provided with second sealing ring, and the mating surface of described oil pump rear lid and oil pump stator is provided with the 3rd sealing ring.
9. Oil pump electrical machinery according to claim 1 is characterized in that described motor partly adopts brushless structure.
CN2011200285811U 2011-01-28 2011-01-28 Oil pump motor CN202009303U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200285811U CN202009303U (en) 2011-01-28 2011-01-28 Oil pump motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200285811U CN202009303U (en) 2011-01-28 2011-01-28 Oil pump motor

Publications (1)

Publication Number Publication Date
CN202009303U true CN202009303U (en) 2011-10-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200285811U CN202009303U (en) 2011-01-28 2011-01-28 Oil pump motor

Country Status (1)

Country Link
CN (1) CN202009303U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033351A (en) * 2014-07-01 2014-09-10 江苏恒康机电有限公司 Oil pump motor set for multi-pump hydraulic system
CN104343670A (en) * 2013-07-31 2015-02-11 上海汽车集团股份有限公司 Protection strategy for operating and controlling drive oil pump motor
CN105932810A (en) * 2015-02-27 2016-09-07 博泽沃尔兹堡汽车零部件有限公司 Motor Structure Assembly
CN105958717A (en) * 2015-02-27 2016-09-21 博泽沃尔兹堡汽车零部件有限公司 Motor assembly
CN106208541A (en) * 2016-07-26 2016-12-07 太仓富华特种电机有限公司 A kind of built-in Oil pump electrical machinery and processing method thereof
CN106401898A (en) * 2015-05-18 2017-02-15 俄家齐 Combined-type oscillating pump
CN109113988A (en) * 2017-06-26 2019-01-01 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
CN109113956A (en) * 2017-06-26 2019-01-01 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
CN109113983A (en) * 2017-06-26 2019-01-01 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
WO2019001200A1 (en) * 2017-06-26 2019-01-03 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubrication system
CN111654132A (en) * 2020-06-22 2020-09-11 北京航空航天大学 Wet-type permanent magnet fault-tolerant motor for aviation electro-hydrostatic actuator

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104343670A (en) * 2013-07-31 2015-02-11 上海汽车集团股份有限公司 Protection strategy for operating and controlling drive oil pump motor
CN104343670B (en) * 2013-07-31 2016-11-09 上海汽车集团股份有限公司 A kind of drive control method of Oil pump electrical machinery and hydraulic system
CN104033351A (en) * 2014-07-01 2014-09-10 江苏恒康机电有限公司 Oil pump motor set for multi-pump hydraulic system
US10208853B2 (en) 2015-02-27 2019-02-19 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Wuerzburg Motor assembly
CN105932810A (en) * 2015-02-27 2016-09-07 博泽沃尔兹堡汽车零部件有限公司 Motor Structure Assembly
CN105958717A (en) * 2015-02-27 2016-09-21 博泽沃尔兹堡汽车零部件有限公司 Motor assembly
US10476341B2 (en) 2015-02-27 2019-11-12 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Wuerzburg Motor assembly
CN105932810B (en) * 2015-02-27 2019-10-22 博泽沃尔兹堡汽车零部件有限公司 Electric machine structure component
CN105958717B (en) * 2015-02-27 2019-03-22 博泽沃尔兹堡汽车零部件有限公司 Electric machine structure component
CN106401898A (en) * 2015-05-18 2017-02-15 俄家齐 Combined-type oscillating pump
CN106208541A (en) * 2016-07-26 2016-12-07 太仓富华特种电机有限公司 A kind of built-in Oil pump electrical machinery and processing method thereof
WO2019001201A1 (en) * 2017-06-26 2019-01-03 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubrication system
WO2019001199A1 (en) * 2017-06-26 2019-01-03 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubrication system
WO2019001200A1 (en) * 2017-06-26 2019-01-03 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubrication system
CN109113983A (en) * 2017-06-26 2019-01-01 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
CN109113956A (en) * 2017-06-26 2019-01-01 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
CN109113988A (en) * 2017-06-26 2019-01-01 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
CN109113956B (en) * 2017-06-26 2020-07-10 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
CN109113988B (en) * 2017-06-26 2020-10-23 比亚迪股份有限公司 Electric oil pump assembly, steering system and lubricating system
CN111654132A (en) * 2020-06-22 2020-09-11 北京航空航天大学 Wet-type permanent magnet fault-tolerant motor for aviation electro-hydrostatic actuator
CN111654132B (en) * 2020-06-22 2021-04-06 北京航空航天大学 Wet-type permanent magnet fault-tolerant motor for aviation electro-hydrostatic actuator

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Granted publication date: 20111012