CN202520546U - Oil pump driven by direct-current brushless motor - Google Patents
Oil pump driven by direct-current brushless motor Download PDFInfo
- Publication number
- CN202520546U CN202520546U CN2012200709673U CN201220070967U CN202520546U CN 202520546 U CN202520546 U CN 202520546U CN 2012200709673 U CN2012200709673 U CN 2012200709673U CN 201220070967 U CN201220070967 U CN 201220070967U CN 202520546 U CN202520546 U CN 202520546U
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- oil pump
- oil
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- cavity
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Abstract
The utility model relates to an oil pump driven by a direct-current brushless motor. The oil pump comprises a body, a motor and a controller; an oil pump cavity and a motor stator cavity are sequentially formed in the body from left to right; an oil sucking opening is formed in the front of the motor stator cavity; a controller is arranged on the top of the motor stator cavity; the motor comprises an outer stator assembly and a rotor assembly; a stator coil of the outer stator assembly is connected with the controller; a spindle of the rotor assembly is arranged on a center axis of an outer stator of the motor; a rotor of the motor is sleeved on the spindle; the other end of the spindle extends into the oil pump cavity and is sleeved with a driving rotor; the oil pump cavity is divided into an oil suction cavity and an oil drainage cavity through the driving rotor meshed with the oil pump cavity and a driven rotor arranged on a driven shaft; an oil sucking opening is formed in the right side of the oil suction cavity; and an oil drainage opening is formed in the top of the oil drainage cavity. The oil pump has the advantages of small size, compact structure, high efficiency, high reliability and the like, and can be widely applied to the engine industry.
Description
Technical field
The utility model relates to a kind of oil pump that is driven by DC Brushless Motor.
Background technique
The oil-fired system of motor is made up of devices such as oil suction filter, primary filter, oil transfer pump, high pressure oil pump, EFI mouths; Wherein the power source of oil transfer pump and high pressure oil pump is a motor itself; Its main shaft is connected through belt pulley and belt with the crank-connecting rod main shaft of motor; When engine operation, through belt with power transmission to oil transfer pump and high pressure oil pump.The oil transportation amount of oil transfer pump is directly proportional with its rotating speed, and the rotating speed of motor is big more, and the oil transportation amount of oil pump is big more.Yet the rotating speed of motor is not to be constant, and the rotating speed of motor under different loads is different, and under same load, its rotating speed also has fluctuation, thereby, cause the oil transportation amount of oil transfer pump and high pressure oil pump to fluctuate, and its structure is comparatively complicated.In order to adapt to new emission standard; Both at home and abroad each big motor producer is all at the positive motor of research and development a new generation; Wherein use maximum technology to be electronically controlled unit pump system and Electrocontrolled high-pressure common rail system, its performance to oil pump has proposed more harsh requirement.
The model utility content
The technical problem that the utility model solved provides a kind of oil transfer pump and high pressure oil pump complex structure of engine fuel oil system in the existing technology that overcome; Volume is big, flowed fluctuation reaches defectives such as functional reliability is low greatly; Make that the concrete volume of oil pump systems of engine fuel oil system is little; Compact structure, high working efficiency and functional reliability advantages of higher, it is for the oil pump by the DC Brushless Motor driving of the raising of engine fuel oil system designs simplification, cost reduction and unfailing performance.
For solving above-mentioned technical problem, the technological scheme that the utility model is taked:
A kind of oil pump that drives by DC Brushless Motor, its special way is: comprise body, motor, controller, from left to right be disposed with oil pump chamber, motor stator chamber in the body; The front in motor stator chamber is provided with inlet port; The top in motor stator chamber is provided with controller, and motor comprises external stator assembly, rotor assembly, and the external stator assembly comprises motor external stator and the stator coil of winding in the wire casing of motor external stator; Stator coil is connected with controller; Rotor assembly comprises main shaft, rotor, and main shaft is arranged on the central axis position of motor external stator, and rotor is set on the main shaft; The other end of main shaft extends in the oil pump chamber and is arranged with power rotor; The oil pump chamber is divided into oil pump oil sucting cavity and oil pump oil-discharging cavity through the power rotor of engagement with the driven rotor that is arranged on the driven shaft, and the right side of oil pump oil sucting cavity is provided with inlet port, and the top of oil pump oil-discharging cavity is provided with oil drain out.
The top of above-mentioned controller is provided with the controller cover plate.
The left side in the oil pump chamber of above-mentioned body is provided with the oil pump cover plate.
Above-mentioned driven shaft one end is provided with bearing and bearing support.
Compared with prior art, the beneficial effect of the utility model:
It is little to the utlity model has volume, compact structure, and efficient height and reliability advantages of higher, it can be widely used in the motor industry, and it is significant for the raising of engine reliable performance and the raising of motor vehicle emission environmental protection standard.
Description of drawings
Fig. 1 is the sectional view of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
Referring to Fig. 1, the utility model comprises body 12, motor, controller 1, from left to right is disposed with oil pump chamber, motor stator chamber 16 in the body 12; The front in motor stator chamber 16 is provided with inlet port; The top in motor stator chamber 16 is provided with controller 1, and motor comprises external stator assembly, rotor assembly, and the external stator assembly comprises motor external stator 3 and the winding stator coil 2 in the wire casing of motor external stator 3; Stator coil 2 is connected with controller 1; Rotor assembly comprises main shaft 5, rotor 4, and main shaft 5 is arranged on the central axis position of motor external stator 3, and rotor 4 is set on the main shaft 5; The other end of main shaft 5 extends in the oil pump chamber and is arranged with power rotor 6; The oil pump chamber is divided into oil pump oil sucting cavity 14 and oil pump oil-discharging cavity 15 through the power rotor 6 of engagement with the driven rotor 7 that is arranged on the driven shaft 8, and the right side of oil pump oil sucting cavity 14 is provided with inlet port, and the top of oil pump oil-discharging cavity 15 is provided with oil drain out.
The top of above-mentioned controller 1 is provided with controller cover plate 13, is used to seal controller 1.
The left side in the oil pump chamber of above-mentioned body 12 is provided with oil pump cover plate 11, and oil pump cover plate 11 is pushed down power rotor 6 and driven rotor 7, carries out axially locating.
Above-mentioned driven shaft 8 one ends are provided with bearing 9 and bearing support 10.
After feeding direct current for electric motor controller 1; Controller 1 converts dc signal into three-phase ac signal and inputs to motor coil 2, and produces the electromagnetic field of alternation, and rotor 4 is connected on the main shaft 5; Form rotor assembly; Under the effect of alternating electromagnetic field, produce and impel the electromagnetic force of rotor 4 along the rotation of motor external stator 3 axis directions, make the rotor assembly rotate.
Working procedure is: after connecting DC electrical source; Be fixed on controller 1 drive motor rotor 4 rotations on the body 12, rotor 4 drives power rotor 6 and rotates in the same way, and power rotor 6 drives driven rotor 7 counterrotatings; Fuel oil is inhaled in the motor stator chamber 16 of body 12 from the filler opening of body 12; At first get in the motor stator chamber 16, motor external stator 3 and motor coil 2 are cooled off, take away the heat that controller 1 gives out simultaneously; Get into oil pump oil sucting cavity 14 then, through oil pump oil sucting cavity 14 with fuel oil in oil drain out is carried oil pump oil-discharging cavity 15.
Claims (4)
1. oil pump that drives by DC Brushless Motor; It is characterized in that: comprise body (12), motor, controller (1); From left to right be disposed with oil pump chamber, motor stator chamber (16) in the body (12), the front of motor stator chamber (16) is provided with inlet port, and the top of motor stator chamber (16) is provided with controller (1); Motor comprises external stator assembly, rotor assembly; The external stator assembly comprises motor external stator (3) and the winding stator coil (2) in the wire casing of motor external stator (3), and stator coil (2) is connected with controller (1), and rotor assembly comprises main shaft (5), rotor (4); Main shaft (5) is arranged on the central axis position of motor external stator (3); Rotor (4) is set on the main shaft (5), and the other end of main shaft (5) extends in the oil pump chamber and is arranged with power rotor (6), and the oil pump chamber is divided into oil pump oil sucting cavity (14) and oil pump oil-discharging cavity (15) through the power rotor (6) of engagement with the driven rotor (7) that is arranged on the driven shaft (8); The right side of oil pump oil sucting cavity (14) is provided with inlet port, and the top of oil pump oil-discharging cavity (15) is provided with oil drain out.
2. a kind of oil pump that is driven by DC Brushless Motor according to claim 1, it is characterized in that: the top of described controller (1) is provided with controller cover plate (13).
3. a kind of oil pump that is driven by DC Brushless Motor according to claim 1 and 2, it is characterized in that: the left side in the oil pump chamber of described body (12) is provided with oil pump cover plate (11).
4. a kind of oil pump that is driven by DC Brushless Motor according to claim 3, it is characterized in that: described driven shaft (8) one ends are provided with bearing (9) and bearing support (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200709673U CN202520546U (en) | 2012-02-29 | 2012-02-29 | Oil pump driven by direct-current brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200709673U CN202520546U (en) | 2012-02-29 | 2012-02-29 | Oil pump driven by direct-current brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202520546U true CN202520546U (en) | 2012-11-07 |
Family
ID=47103498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200709673U Expired - Fee Related CN202520546U (en) | 2012-02-29 | 2012-02-29 | Oil pump driven by direct-current brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202520546U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104265628A (en) * | 2014-09-11 | 2015-01-07 | 中山市罗顿五金机械有限公司 | Electric hydraulic power device |
| CN104265627A (en) * | 2014-09-11 | 2015-01-07 | 中山市罗顿五金机械有限公司 | Electric hydraulic power device |
| CN105579265A (en) * | 2013-08-01 | 2016-05-11 | 西蒙·卡萨里 | Electric engine arrangement |
| CN109113958A (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 |
-
2012
- 2012-02-29 CN CN2012200709673U patent/CN202520546U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105579265A (en) * | 2013-08-01 | 2016-05-11 | 西蒙·卡萨里 | Electric engine arrangement |
| CN104265628A (en) * | 2014-09-11 | 2015-01-07 | 中山市罗顿五金机械有限公司 | Electric hydraulic power device |
| CN104265627A (en) * | 2014-09-11 | 2015-01-07 | 中山市罗顿五金机械有限公司 | Electric hydraulic power device |
| CN109113958A (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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20180229 |