CN111120297A - Bidirectional rotary oil pump for motor vehicle - Google Patents
Bidirectional rotary oil pump for motor vehicle Download PDFInfo
- Publication number
- CN111120297A CN111120297A CN202010080605.1A CN202010080605A CN111120297A CN 111120297 A CN111120297 A CN 111120297A CN 202010080605 A CN202010080605 A CN 202010080605A CN 111120297 A CN111120297 A CN 111120297A
- Authority
- CN
- China
- Prior art keywords
- oil
- reversing plate
- pump
- oil pump
- rotates
- 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.)
- Pending
Links
- 230000002457 bidirectional effect Effects 0.000 title description 4
- 238000010008 shearing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 9
- 230000002441 reversible effect Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000009347 mechanical transmission Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
- F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
The invention discloses a two-way rotating oil pump of a motor vehicle; the reversing plate is provided with two oil passages and two reversing plate oil holes; the oil pump cover is provided with an oil inlet hole and an oil outlet hole; the oil distribution disc is provided with two oil grooves; the O-shaped ring of the reversing plate is in sliding friction fit with the pump shaft; the pump shaft drives the volume change component to rotate, and the volume change component generates volume change in the cavity of the oil pump body; when the driving shaft initially rotates and initially reverses and rotates every time, the friction force between the driving shaft and the O-shaped ring of the reversing plate is larger than the shearing force, and the reversing plate can rotate along with the driving shaft; the reversing plate limiting pin controls and limits the rotation angle of the reversing plate; the reversing plate is limited by a limiting pin, and the pump shaft rotates between the O-shaped rings of the reversing plate; when the oil pump rotates clockwise and anticlockwise, the reversing plate automatically switches the connection of the oil suction cavity and the oil delivery cavity with the oil inlet and the oil outlet; oil is supplied to the system under the condition of changing the rotating direction; the invention realizes that the oil pump normally supplies oil to the system without changing the directions of the oil inlet and the oil outlet of the oil pump after the driving rotation direction of the oil pump is changed.
Description
Technical Field
The invention belongs to the technical field of mechanical lubrication, and relates to a bidirectional rotary oil pump of a motor vehicle; the transmission is particularly suitable for mechanical transmission systems of automobile transmissions, axles and the like, wherein the transmission direction of the mechanical transmission systems needs to be changed in the running process.
Background
For some mechanical transmission mechanisms needing reversing, the transmission direction of the oil pump needs to be changed after the mechanism is reversed due to structural arrangement requirements; the oil pump in the prior art can not supply oil after the mechanism is reversed.
After the driving rotation direction is changed, oil is normally and continuously supplied to the system under the condition that the directions of an oil inlet and an oil outlet of the oil pump are not changed, and the method is a research subject of a person in the field.
Disclosure of Invention
The invention discloses a bidirectional rotating oil pump of a motor vehicle, which aims to solve the problem that the transmission direction of the oil pump is changed after a mechanism is changed in the prior art; the oil pump can not supply oil and the like.
The invention comprises a driving shaft, a volume change assembly, a reversing plate capable of swinging around a shaft, an oil pump body, an oil pump cover, a reversing plate O-shaped ring, an oil distribution disc and a limit pin; the reversing plate is provided with two oil passages and two reversing plate oil holes; the oil pump cover is provided with an oil inlet hole and an oil outlet hole; the oil distribution disc is provided with two oil grooves; the O-shaped ring of the reversing plate is in sliding friction fit with the pump shaft; the pump shaft drives the volume change component to rotate, and the volume change component generates volume change in the cavity of the oil pump body; when the driving shaft initially rotates and initially reverses and rotates every time, the friction force between the driving shaft and the O-shaped ring of the reversing plate is larger than the shearing force, and the reversing plate can rotate along with the driving shaft; the reversing plate limiting pin controls and limits the rotation angle of the reversing plate; the reversing plate is limited by a limiting pin, and the pump shaft rotates between the O-shaped rings of the reversing plate; when the oil pump rotates clockwise and forward and anticlockwise, the reversing plate automatically switches the connection of the oil suction cavity and the oil delivery cavity with the oil inlet and the oil outlet; the oil supply to the system is normal under the condition of changing the rotating direction.
The first preferred embodiment of the present invention is a gerotor pump, and the volume changing assembly includes an inner rotor and an outer rotor.
The second preferred scheme is the internal gear pump with the crescent plate, and the volume change component comprises an internal gear and an external gear.
The third preferred proposal is a vane pump, and the volume changing component comprises a rotor and vanes.
A fourth preferred embodiment of the present invention is an external gear pump, wherein the volume varying unit includes a driving gear and a driven gear.
When the driving shaft rotates forwards, the pump shaft drives the reversing plate to rotate forwards for limiting; the two oil ducts of the reversing plate are respectively communicated with an oil inlet and an oil outlet of the oil pump; the two oil holes of the reversing plate are respectively communicated with the two oil grooves of the oil distribution disc of the oil pump; when the driving shaft rotates reversely, the reversing plate rotates by a certain angle under the driving of the shaft, and the driving shaft drives the reversing plate to rotate reversely until the limiting pin limits the reversing plate; the two oil passages of the reversing plate are respectively communicated with an oil inlet and an oil outlet of the oil pump and keep unchanged; the oil holes of the reversing plate are communicated with the oil grooves of the oil distribution disc in a cross conversion mode, and the two oil holes of the reversing plate are respectively communicated with the two oil grooves of the oil distribution disc of the oil pump.
Oil flow path when oil pump rotates clockwise: an oil inlet hole, a first oil duct of the reversing plate, a first oil groove of the oil distribution disc, the rotor, a second oil groove of the oil distribution disc, a second oil duct of the reversing plate and an oil outlet hole supply oil for the system; oil flow route when oil pump rotates counterclockwise: the oil inlet hole, the second oil duct of the reversing plate are used for distributing the second oil groove of the oil tray and the rotor, and the first oil groove of the oil tray, the first oil duct of the reversing plate and the oil outlet hole are used for supplying oil for the system.
The oil pump can be in the form of a rotor pump, an internal gear pump with a crescent plate, a vane pump and the like.
The invention has the positive effects that: after the driving rotation direction of the oil pump is changed, oil is normally supplied to the system under the condition that the directions of an oil inlet and an oil outlet of the oil pump are not changed.
Drawings
FIG. 1 is a cross-sectional view of the invention taken clockwise through C-C;
FIG. 2 is a cross-sectional view of the invention taken clockwise A-A;
FIG. 3 is a cross-sectional view of the invention taken clockwise B-B;
FIG. 4 is a cross-sectional view of the invention in a counter-clockwise rotation C-C;
FIG. 5 is a cross-sectional view taken along section A-A of the invention rotated counterclockwise;
FIG. 6 is a cross-sectional view of the invention rotated counterclockwise B-B;
in the figure, an inner rotor 1, an outer rotor 2, a reversing plate 3, a reversing plate first oil duct 3.1, a reversing plate second oil duct 3.2, a reversing plate first oil hole 3.1.1, a reversing plate second oil hole 3.2.1, an oil pump body 4, an oil pump cover 5, an oil pump inlet 5.1, an oil pump outlet 5.2, a reversing plate O-shaped ring 6, an oil distribution disc 7, an oil distribution disc first oil groove 7.1, an oil distribution disc second oil groove 7.2, a reversing plate limit pin 8, a driving shaft 9 and a reversing plate β rotate angle.
Detailed Description
Embodiments of the present invention are described in detail below with reference to the accompanying drawings.
A first embodiment of the invention is shown in figures 1, 2, 3, 4, 5, 6, the oil pump being in the form of a gerotor pump; the oil distribution device comprises an inner rotor 1, an outer rotor 2, a reversing plate 3 capable of swinging around a shaft, an oil pump body 4, an oil pump cover 5, a reversing plate O-shaped ring 6, an oil distribution disc 7, a limiting pin 8 and a driving shaft 9; the reversing plate 3 is provided with a reversing plate first oil duct 3.1, a reversing plate second oil duct 3.2, a reversing plate first oil hole 3.1.1 and a reversing plate second oil hole 3.2.1; the oil pump cover 5 is provided with an oil pump inlet 5.1 and an oil pump outlet 5.2; the oil distribution disc is provided with a first oil distribution disc oil groove 7.1 and a second oil distribution disc oil groove 7.2; the reversing plate O-shaped ring 6 is in sliding friction fit with the pump shaft; when the pump shaft initially rotates and initially rotates in a reversing way every time, the friction force between the pump shaft and the O-shaped ring 6 of the reversing plate is larger than the shearing force, and the reversing plate 3 can rotate along with the pump shaft; the reversing plate limiting pin 8 controls and limits the rotation angle of the reversing plate 3; the reversing plate 3 is limited by a limiting pin 8, and a driving shaft 9 rotates between the O-shaped rings 6 of the reversing plate; when the oil pump rotates in the forward direction and the reverse direction, the reversing plate automatically switches the connection of the oil suction cavity and the oil delivery cavity with the oil inlet hole 5.1 of the oil pump and the oil outlet hole 5.2 of the oil pump; the oil supply to the system is normal under the condition of changing the rotating direction.
As shown in fig. 1, 2 and 3, when the driving shaft 9 rotates clockwise and forward, the driving shaft 9 drives the reversing plate to rotate clockwise and forward for limiting; the first oil duct 3.1 of the reversing plate and the second oil duct 3.2 of the reversing plate are respectively communicated with an oil inlet 5.1 and an oil outlet 5.2 of the oil pump; the first oil hole 3.1.1 of the reversing plate and the second oil hole 3.2.1 of the reversing plate are respectively communicated with a first oil groove 7.1 of an oil distribution disc and a second oil groove 7.2 of the oil distribution disc of the oil pump; oil flow path when oil pump rotates clockwise: the oil inlet 5.1, the first oil duct 3.1 of the reversing plate, the first oil groove 7.1 of the oil distribution disc, the rotor, the second oil groove 7.2 of the oil distribution disc, the second oil duct 3.2 of the reversing plate and the oil outlet 5.2 supply oil for the system.
As shown in figures 4, 5 and 6, when the driving shaft 9 rotates anticlockwise and reversely, the reversing plate rotates by an angle β under the driving of the driving shaft 9, the driving shaft 9 drives the reversing plate to rotate anticlockwise and reversely to limit the limiting pin, the first oil channel 3.1 and the second oil channel 3.2 of the reversing plate are respectively communicated with the oil inlet hole 5.1 and the oil outlet hole 5.2 of the oil pump and keep unchanged, the communication between the oil hole of the reversing plate and the oil distribution disc oil groove is subjected to cross conversion, the first oil hole 3.1.1 and the second oil hole 3.2.1 of the reversing plate are respectively communicated with the second oil groove 7.2 and the first oil groove 7.1 of the oil distribution disc of the oil pump, and the oil flow routes when the oil pump rotates anticlockwise are that the oil inlet hole 5.1, the second oil channel 3.2 of the reversing plate, the second oil groove 7.2 of the oil distribution disc, the rotor, the first oil groove 7.1 of the oil distribution disc, the first oil channel 3.1 and the oil outlet hole 5.
In a second embodiment of the invention, the oil pump is in the form of an internal gear pump with a crescent plate.
In a third embodiment of the invention, the oil pump is in the form of a vane pump.
Claims (7)
1. A motor vehicle bi-directional rotary oil pump; the method is characterized in that: the oil distribution pump comprises a driving shaft, a volume change assembly, a reversing plate capable of swinging around a shaft, an oil pump body, an oil pump cover, a reversing plate O-shaped ring, an oil distribution disc and a limiting pin; the reversing plate is provided with two oil passages and two reversing plate oil holes; the oil pump cover is provided with an oil inlet hole and an oil outlet hole; the oil distribution disc is provided with two oil grooves; the O-shaped ring of the reversing plate is in sliding friction fit with the pump shaft; the pump shaft drives the volume change component to rotate, and the volume change component generates volume change in the cavity of the oil pump body; when the driving shaft initially rotates and initially reverses and rotates every time, the friction force between the driving shaft and the O-shaped ring of the reversing plate is larger than the shearing force, and the reversing plate can rotate along with the driving shaft; the reversing plate limiting pin controls and limits the rotation angle of the reversing plate; the reversing plate is limited by a limiting pin, and the pump shaft rotates between the O-shaped rings of the reversing plate; when the oil pump rotates clockwise and forward and anticlockwise, the reversing plate automatically switches the connection of the oil suction cavity and the oil delivery cavity with the oil inlet and the oil outlet; the oil supply to the system is realized under the condition of changing the rotating direction.
2. A motor vehicle reversible oil pump as set forth in claim 1; the method is characterized in that: is a rotor pump, and the volume change assembly includes an inner rotor and an outer rotor.
3. A motor vehicle reversible oil pump as set forth in claim 1; the method is characterized in that: the internal gear pump with the crescent plate is characterized in that the volume change component comprises an internal gear and an external gear.
4. A motor vehicle reversible oil pump as set forth in claim 1; the method is characterized in that: is a vane pump, and the volume change component comprises a rotor and a vane.
5. A motor vehicle reversible oil pump as set forth in claim 1; the method is characterized in that: the volume change component comprises a driving gear and a driven gear.
6. A motor vehicle reversible oil pump as set forth in claim 1; the method is characterized in that: when the driving shaft rotates forwards, the pump shaft drives the reversing plate to rotate forwards for limiting; the two oil ducts of the reversing plate are respectively communicated with an oil inlet and an oil outlet of the oil pump; the two oil holes of the reversing plate are respectively communicated with the two oil grooves of the oil distribution disc of the oil pump; when the driving shaft rotates reversely, the reversing plate rotates by a certain angle under the driving of the shaft, and the driving shaft drives the reversing plate to rotate reversely until the limiting pin limits the reversing plate; the two oil passages of the reversing plate are respectively communicated with an oil inlet and an oil outlet of the oil pump and keep unchanged; the oil holes of the reversing plate are communicated with the oil grooves of the oil distribution disc in a cross conversion mode, and the two oil holes of the reversing plate are respectively communicated with the two oil grooves of the oil distribution disc of the oil pump.
7. A motor vehicle reversible oil pump as set forth in claim 1; the method is characterized in that: oil flow path when oil pump rotates clockwise: an oil inlet hole, a first oil duct of the reversing plate, a first oil groove of the oil distribution disc, the rotor, a second oil groove of the oil distribution disc, a second oil duct of the reversing plate and an oil outlet hole supply oil for the system; oil flow route when oil pump rotates counterclockwise: the oil inlet hole, the second oil duct of the reversing plate are used for distributing the second oil groove of the oil tray and the rotor, and the first oil groove of the oil tray, the first oil duct of the reversing plate and the oil outlet hole are used for supplying oil for the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080605.1A CN111120297A (en) | 2020-02-05 | 2020-02-05 | Bidirectional rotary oil pump for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080605.1A CN111120297A (en) | 2020-02-05 | 2020-02-05 | Bidirectional rotary oil pump for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111120297A true CN111120297A (en) | 2020-05-08 |
Family
ID=70491647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010080605.1A Pending CN111120297A (en) | 2020-02-05 | 2020-02-05 | Bidirectional rotary oil pump for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111120297A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555146A (en) * | 2020-12-29 | 2021-03-26 | 山西维达机械制造有限公司 | Integrated hydraulic power source module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222719A (en) * | 1979-01-02 | 1980-09-16 | Thermo King Corporation | Reversible unidirectional fluid flow pump |
| CN2056455U (en) * | 1989-07-13 | 1990-04-25 | 张志雄 | Constant direction rotor oil pump |
| CN102661480A (en) * | 2012-05-04 | 2012-09-12 | 浙江平柴泵业有限公司 | Novel two-way intelligent oil pump |
| CN108105084A (en) * | 2018-01-10 | 2018-06-01 | 浙江万安其弗汽车零部件有限公司 | A kind of two-way Swing line oil pump |
| EP3212935B1 (en) * | 2014-10-27 | 2019-10-02 | Magna PT B.V. & Co. KG | Internal gear pump and method of pumping |
| CN209819195U (en) * | 2019-04-30 | 2019-12-20 | 宁波捷诚机电设备工程有限公司 | One-way oil supply rotor pump driven by outer rotor and used for crankshaft oil supply and capable of rotating positively and negatively |
-
2020
- 2020-02-05 CN CN202010080605.1A patent/CN111120297A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222719A (en) * | 1979-01-02 | 1980-09-16 | Thermo King Corporation | Reversible unidirectional fluid flow pump |
| CN2056455U (en) * | 1989-07-13 | 1990-04-25 | 张志雄 | Constant direction rotor oil pump |
| CN102661480A (en) * | 2012-05-04 | 2012-09-12 | 浙江平柴泵业有限公司 | Novel two-way intelligent oil pump |
| EP3212935B1 (en) * | 2014-10-27 | 2019-10-02 | Magna PT B.V. & Co. KG | Internal gear pump and method of pumping |
| CN108105084A (en) * | 2018-01-10 | 2018-06-01 | 浙江万安其弗汽车零部件有限公司 | A kind of two-way Swing line oil pump |
| CN209819195U (en) * | 2019-04-30 | 2019-12-20 | 宁波捷诚机电设备工程有限公司 | One-way oil supply rotor pump driven by outer rotor and used for crankshaft oil supply and capable of rotating positively and negatively |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555146A (en) * | 2020-12-29 | 2021-03-26 | 山西维达机械制造有限公司 | Integrated hydraulic power source module |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200508 |