CN103062612A - Oil pump with variable displacement - Google Patents
Oil pump with variable displacement Download PDFInfo
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- CN103062612A CN103062612A CN2012105873467A CN201210587346A CN103062612A CN 103062612 A CN103062612 A CN 103062612A CN 2012105873467 A CN2012105873467 A CN 2012105873467A CN 201210587346 A CN201210587346 A CN 201210587346A CN 103062612 A CN103062612 A CN 103062612A
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- oil
- pump
- proportional valve
- pump housing
- oil pump
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Abstract
The invention discloses an oil pump with a variable displacement. The pump comprises an oil pump body which is communicated with a main system oil channel (17) through a feedback oil channel (15), a proportional valve (1) and a displacement adjusting mechanism, wherein the displacement adjusting mechanism is arranged in the oil pump body and is communicated with the feedback oil channel (15) through the proportional valve (1), and the proportional valve (1) is installed on the oil pump body and is electrically connected to an electronic control unit (16) of the system. By the aid of the structure, the oil inlet/outlet of the proportional valve controls the swinging of an eccentric ring, the eccentric distance of the eccentric ring and a vane wheel of the oil pump can be changed, the output flow of the oil pump is changed, the unnecessary energy consumption is reduced, the energy-saving and emission-reduction effect is achieved, the hydraulic and mechanical power is reduced and the working efficiency of an engine is improved.
Description
Technical field
The present invention relates to the technical field of oil pump, specifically is a kind of displacement-variable oil pump.
Background technique
Motor car engine is when work, and each moving parts all is used on another part with certain masterpiece, and relative movement at a high speed occurs, and relative movement has been arranged, and part surface must produce friction, thus accelerated wear test.Therefore, in order to alleviate wearing and tearing, reduce frictional resistance, increase the service life, all lubrication system must be arranged on the motor.The various devices such as the organic oil pump of critical piece of lubrication system, the effect of oil pump is after machine oil is brought up to certain pressure, be sent to forcibly on the moving surface of each part of motor, it generally comprises pump cover and the pump housing, between pump cover and the pump housing, connect with screw, be provided with internal rotor, external rotor, low pressure oil pocket and high-voltage oil cavity in the pump housing.Traditional oil pump flow-rate ratio when running up is larger, and in fact motor does not need so large flow, in this process, unnecessary machine oil causes motor to do a large amount of idle works, therefore the motor wasted work is larger, thereby make engine consumption larger, can not satisfy the effect of energy-saving and emission-reduction.
Summary of the invention
Technical problem to be solved by this invention is a kind of reduction motor power consumption to be provided, to improve the motor efficiency, thereby realize the displacement-variable oil pump of energy-saving and emission-reduction.
For solving the problems of the technologies described above, displacement-variable oil pump provided by the invention, comprise the oil pump body that is communicated with the system main oil gallery by the feedback oil circuit, it also comprises Proportional valve and discharge capacity controlling mechanism, described discharge capacity controlling mechanism is arranged in the oil pump body, and the passing ratio valve is communicated with the feedback oil circuit, and described Proportional valve is installed on the oil pump body and with the electronic control unit of system and is electrically connected.
Described oil pump body comprises the pump housing, pump cover, eccentric wheel and blade wheel, described pump cover is fixedly connected on the pump housing, be provided with inner chamber in the pump housing, be provided with successively from outside to inside eccentric wheel and blade wheel in the inner chamber, the peripheral wall of blade wheel is provided with a plurality of blades, and a plurality of blades are divided into the hydraulic pressure cavity that a plurality of volumetric values do not wait with the cavity volume between eccentric wheel and the blade wheel.
Described discharge capacity controlling mechanism refers to that a side of eccentric hoop outer circle wall is hinged by straight pin and the pump housing, and opposite side is by the first Sealing and pump housing sealing, and straight pin and the first Sealing are divided into oil suction chamber and oil back chamber with the gap of stator and the pump housing; Be positioned on the eccentric hoop outer circle wall of oil suction chamber and have extension arm, a side of extension arm is connected with the pump housing by Returnning spring, between the side of extension arm and the pump housing by the sealing of the second Sealing.
Described Proportional valve is connected on the pump cover, and the oil outlet of Proportional valve is communicated with oil suction chamber, and the filler opening of Proportional valve is communicated with oil back chamber.
The described pump housing near oil suction chamber one side is provided with the first oil circuit, and an end of the first oil circuit communicates with the oil suction chamber of extension arm away from Returnning spring one side, and the other end communicates with the oil outlet of Proportional valve; The described pump housing near oil back chamber one side is provided with the second oil circuit, and an end of the second oil circuit communicates with oil back chamber, and the other end communicates with the filler opening of Proportional valve.
One side of described extension arm has recess, and an end of Returnning spring is pushed against in the recess, and the other end is pushed against on the pump housing.
After adopting above structure, the present invention compared with prior art, has following advantage: owing in oil pump Proportional valve has been installed, make the oil pump can be according to the variation of the factors such as rotating speed of pressure, oil temperature and the motor of main oil gallery, the swing of the turnover oil control eccentric hoop of passing ratio valve, thereby the throw of eccentric of eccentric hoop and blade wheel in the change oil pump, change the flow of oil pump output, therefore, can reduce unnecessary energy loss, reach the effect of energy-saving and emission-reduction, reduced hydraulic power and mechanical output, thereby improve the working efficiency of motor.
Description of drawings
Fig. 1 is the perspective view of displacement-variable oil pump of the present invention.
Fig. 2 is the sectional structure schematic representation of displacement-variable oil pump of the present invention.
Fig. 3 is the other direction sectional structure schematic representation of displacement-variable oil pump of the present invention.
Fig. 4 is the principle schematic of displacement-variable oil pump of the present invention.
Wherein, 1, Proportional valve; 1.1, oil outlet; 1.2, filler opening; 2, pump cover; 3, the pump housing; 3.1, the first oil circuit; 3.2, the second oil circuit; 4, extension arm; 4.1, recess; 5, oil back chamber; 6, blade; 7, hydraulic pressure cavity; 8, the first Sealing; 9, Returnning spring; 10, the second Sealing; 11, eccentric hoop; 12, oil suction chamber; 13, straight pin; 14, blade wheel; 15, feedback oil circuit; 16, electronic control unit; 17, main oil gallery.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in more detail.
By the principle schematic of displacement-variable oil pump of the present invention shown in Figure 4 as can be known, it comprises the oil pump body that is communicated with system main oil gallery 17 by feedback oil circuit 15, it also comprises Proportional valve 1 and discharge capacity controlling mechanism, described discharge capacity controlling mechanism is arranged in the oil pump body, and passing ratio valve 1 is communicated with feedback oil circuit 15, and described Proportional valve 1 is installed on the oil pump body and with the electronic control unit 16 of system and is electrically connected.
By the structural representation of the displacement-variable oil pump of the present invention of Fig. 1～shown in Figure 3 as can be known, described oil pump body comprises the pump housing 3, pump cover 2, eccentric hoop 11 and blade wheel 14, described pump cover 2 is fixedly connected on the pump housing 3, be provided with inner chamber in the pump housing 3, be provided with successively from outside to inside eccentric hoop 11 and blade wheel 14 in the inner chamber, the peripheral wall of blade wheel 14 is provided with a plurality of blades 6, and a plurality of blades 6 are divided into the hydraulic pressure cavity 7 that a plurality of volumetric values do not wait with the cavity volume between eccentric hoop 11 and the blade wheel 14.
Described discharge capacity controlling mechanism refers to, one side of eccentric hoop 11 outer circle walls is hinged by straight pin 13 and the pump housing 3, opposite side is by the first Sealing 8 and the pump housing 3 sealings, and straight pin 13 and the first Sealing 8 are divided into oil suction chamber 12 and oil back chamber 5 with the gap of stator and the pump housing 3.Be positioned on eccentric hoop 11 outer circle walls of oil suction chamber 12 and have extension arm 4, a side of extension arm 4 is connected with the pump housing 3 by Returnning spring 9, passes through the second Sealing 10 between the side of extension arm 4 and the pump housing 3 and seals.
Described Proportional valve 1 is connected on the pump cover 2, and the oil outlet 1.1 of Proportional valve 1 is communicated with oil suction chamber 12, and the filler opening 1.2 of Proportional valve 1 is communicated with oil back chamber 5.
The end that the described pump housing 3 near oil suction chamber 12 1 sides is provided with the first oil circuit 3.1, the first oil circuits 3.1 communicates with the oil suction chamber 12 of extension arm 4 away from Returnning spring 9 one sides, and the other end communicates with the oil outlet 1.1 of Proportional valve 1; The end that the described pump housing 3 near oil back chamber 5 one sides is provided with the second oil circuit 3.2, the second oil circuits 3.2 communicates with oil back chamber 5, and the other end communicates with the filler opening 1.2 of Proportional valve 1.
One side of described extension arm 4 has recess 4.1, and an end of Returnning spring 9 is pushed against in the recess 4.1, and the other end is pushed against on the pump housing 3.
Working principle of the present invention is as follows: after pressure transducer detects the fluid pressure of system's main oil gallery 17, feed back to Proportional valve 1, Proportional valve 1 action, its oil outlet 1.1 is fuel-displaced, enter oil suction chamber 12 through the first oil circuit 3.1, oil suction chamber 12 pressure raise, extension arm 4 stressed backward directions with Returnning spring 9 are swung, thereby driving eccentric hoop 11 rotates take straight pin 13 as fulcrum, thereby adjust the gap between eccentric hoop 11 and the blade wheel 14, then adjust the volume of each hydraulic pressure cavity 7, namely adjusted the fluid discharge capacity of oil pump, thereby reach the purpose of oil pressure in balance and the replenishment system; Oil back chamber 5 is then got back to oil in the filler opening 1.2 of Proportional valve 1 by the second oil circuit 3.2.
Claims (6)
1. displacement-variable oil pump, comprise the oil pump body that is communicated with system's main oil gallery (17) by feedback oil circuit (15), it is characterized in that: it also comprises Proportional valve (1) and discharge capacity controlling mechanism, described discharge capacity controlling mechanism is arranged in the oil pump body, and passing ratio valve (1) is communicated with feedback oil circuit (15), and described Proportional valve (1) is installed on the oil pump body and with the electronic control unit (16) of system and is electrically connected.
2. displacement-variable oil pump according to claim 1, it is characterized in that: described oil pump body comprises the pump housing (3), pump cover (2), eccentric hoop (11) and blade wheel (14), described pump cover (2) is fixedly connected on the pump housing (3), the pump housing is provided with inner chamber in (3), be provided with successively from outside to inside eccentric hoop (11) and blade wheel (14) in the inner chamber, the peripheral wall of blade wheel (14) is provided with a plurality of blades (6), and a plurality of blades (6) are divided into the hydraulic pressure cavity (7) that a plurality of volumetric values do not wait with the cavity volume between eccentric hoop (11) and the blade wheel (14).
3. displacement-variable oil pump according to claim 2, it is characterized in that: described discharge capacity controlling mechanism refers to, one side of eccentric hoop (11) outer circle wall is hinged by straight pin (13) and the pump housing (3), opposite side is by the first Sealing (8) and the pump housing (3) sealing, and straight pin (13) and the first Sealing (8) are divided into oil suction chamber (12) and oil back chamber (5) with the gap of stator and the pump housing (3); Be positioned on eccentric hoop (11) outer circle wall of oil suction chamber (12) and have extension arm (4), one side of extension arm (4) is connected with the pump housing (3) by Returnning spring (9), seals by the second Sealing (10) between the side of extension arm (4) and the pump housing (3).
4. displacement-variable oil pump according to claim 3, it is characterized in that: described Proportional valve (1) is connected on the pump cover (2), the oil outlet (1.1) of Proportional valve (1) is communicated with oil suction chamber (12), and the filler opening (1.2) of Proportional valve (1) is communicated with oil back chamber (5).
5. displacement-variable oil pump according to claim 4, it is characterized in that: the described pump housing (3) near oil suction chamber (12) one sides is provided with the first oil circuit (3.1), one end of the first oil circuit (3.1) communicates with the oil suction chamber (12) of extension arm (4) away from Returnning spring (9) one sides, and the other end communicates with the oil outlet (1.1) of Proportional valve (1); The described pump housing (3) near oil back chamber (5) one sides is provided with the second oil circuit (3.2), and an end of the second oil circuit (3.2) communicates with oil back chamber (5), and the other end communicates with the filler opening (1.2) of Proportional valve (1).
6. displacement-variable oil pump according to claim 3, it is characterized in that: a side of described extension arm (4) has recess (4.1), and an end of Returnning spring (9) is pushed against in the recess (4.1), and the other end is pushed against on the pump housing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587346.7A CN103062612B (en) | 2012-12-28 | 2012-12-28 | Displacement-variable oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587346.7A CN103062612B (en) | 2012-12-28 | 2012-12-28 | Displacement-variable oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062612A true CN103062612A (en) | 2013-04-24 |
| CN103062612B CN103062612B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210587346.7A Active CN103062612B (en) | 2012-12-28 | 2012-12-28 | Displacement-variable oil pump |
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| Country | Link |
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| CN (1) | CN103062612B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499007A (en) * | 2013-10-16 | 2014-01-08 | 宁波圣龙汽车动力系统股份有限公司 | Oil pump discharging amount regulating device |
| CN103671093A (en) * | 2013-12-05 | 2014-03-26 | 宁波圣龙汽车动力系统股份有限公司 | Displacement-variable impeller pump |
| CN105298584A (en) * | 2015-11-30 | 2016-02-03 | 重庆小康工业集团股份有限公司 | Variable displacement lubrication system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144354A1 (en) * | 2003-01-24 | 2004-07-29 | Staley David R. | Engine oil system with variable displacement pump |
| CN101443557A (en) * | 2006-03-27 | 2009-05-27 | 盖茨公司 | Variable displacement sliding vane pump |
| CN101881272A (en) * | 2009-05-05 | 2010-11-10 | Gm全球科技运作股份有限公司 | Variable vane pump |
| CN102364205A (en) * | 2011-10-24 | 2012-02-29 | 上海幸福摩托车有限公司 | Variable displacement oil pump |
| CN203099277U (en) * | 2012-12-28 | 2013-07-31 | 宁波圣龙汽车动力系统股份有限公司 | Oil pump with changeable discharge capacity |
-
2012
- 2012-12-28 CN CN201210587346.7A patent/CN103062612B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144354A1 (en) * | 2003-01-24 | 2004-07-29 | Staley David R. | Engine oil system with variable displacement pump |
| CN101443557A (en) * | 2006-03-27 | 2009-05-27 | 盖茨公司 | Variable displacement sliding vane pump |
| CN101881272A (en) * | 2009-05-05 | 2010-11-10 | Gm全球科技运作股份有限公司 | Variable vane pump |
| CN102364205A (en) * | 2011-10-24 | 2012-02-29 | 上海幸福摩托车有限公司 | Variable displacement oil pump |
| CN203099277U (en) * | 2012-12-28 | 2013-07-31 | 宁波圣龙汽车动力系统股份有限公司 | Oil pump with changeable discharge capacity |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499007A (en) * | 2013-10-16 | 2014-01-08 | 宁波圣龙汽车动力系统股份有限公司 | Oil pump discharging amount regulating device |
| CN103499007B (en) * | 2013-10-16 | 2016-08-17 | 宁波圣龙汽车动力系统股份有限公司 | Oil pump capacity adjusting means |
| CN103671093A (en) * | 2013-12-05 | 2014-03-26 | 宁波圣龙汽车动力系统股份有限公司 | Displacement-variable impeller pump |
| CN103671093B (en) * | 2013-12-05 | 2016-03-09 | 宁波圣龙汽车动力系统股份有限公司 | A kind of variable displacement vane pump |
| CN105298584A (en) * | 2015-11-30 | 2016-02-03 | 重庆小康工业集团股份有限公司 | Variable displacement lubrication system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103062612B (en) | 2015-09-09 |
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