CN105134326A - Engine oil pump and lubrication system thereof - Google Patents
Engine oil pump and lubrication system thereof Download PDFInfo
- Publication number
- CN105134326A CN105134326A CN201510512252.7A CN201510512252A CN105134326A CN 105134326 A CN105134326 A CN 105134326A CN 201510512252 A CN201510512252 A CN 201510512252A CN 105134326 A CN105134326 A CN 105134326A
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- China
- Prior art keywords
- oil
- pump
- engine
- sump
- auxiliary
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- Granted
Links
- 239000010705 motor oil Substances 0.000 title claims abstract description 36
- 238000005461 lubrication Methods 0.000 title claims abstract description 23
- 239000003921 oil Substances 0.000 claims abstract description 174
- 239000010721 machine oil Substances 0.000 claims description 31
- 239000000945 filler Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an engine oil pump. The engine oil pump comprises an oil sump and an oil pump body arranged in the oil sump. The oil pump body comprises a main pump and an auxiliary pump which are installed in the oil sump through one pump shaft. The outer end of the pump shaft is a drive end. An engine lubricating system comprises an engine oil pool used for storing engine oil and the engine oil pump. An auxiliary pump oil outlet of the engine oil pump is communicated with a top oil inlet of the engine oil pool through an auxiliary pump outlet pipe. A main pump oil inlet is communicated with a bottom oil outlet of the engine oil pool. A main pump oil outlet is communicated with an engine lubrication oil channel. Under the work condition that an engine is inclined by a large angle, it can be ensured that engine oil in the engine continuously circulates and normally participates in lubrication work.
Description
Technical field
The present invention relates to field of engine lubrication technology, especially relate to a kind of engine oil pump and lubrication system thereof.
Background technique
In engine lubrication system, oil sump, oil pump are two very important component, and traditional design oil sump and oil pump are two independent spare parts.Wherein oil pump function is for kinematic pair each in motor, hydraulic unit provide the machine oil of certain pressure and set up film lubrication, thus guaranteeing engine work; And oil sump function forms a closed crankcase system, and the machine oil needed for motor storage work.
Under the operating conditions of motor routine, the machine oil stored in oil sump is delivered to each kinematic pair and hydraulic unit by oil pump, participate in lubrication after machine oil be back to rapidly again in oil sump, therefore in-engine machine oil by oil pump continuously again and again each kinematic pair, hydraulic unit Inner eycle work.
But motor is in the operating mode of some limit, as one-sided in automobile stunt take turns the traveling that lands, climb very steep slopes, wide-angle tilt, even upset etc., motor and oil sump angle of inclination large, participate in the machine oil backflow difficulty after lubrication, in oil sump, " loss " machine oil is too much, oil pump oil suction deficiency can be caused even to inhale less than machine oil, affect the normal lubrication work of motor and damage motor.
Summary of the invention
Not enough for prior art, technical problem to be solved by this invention is to provide a kind of engine oil pump and lubrication system thereof, under reaching engine tilts operating mode, guarantees that motor normally lubricates the object of work.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of engine oil pump, comprise oil sump and be located at the oil pump in oil sump, described oil pump comprises main pump and auxiliary pump, and described main pump and auxiliary pump are arranged in oil sump by same pump shaft, and described pump shaft outer end is drive end.
Be provided with groove bottom described oil sump, above groove, be provided with collector shell and filter screen.
The drive end of described pump shaft is provided with sprocket wheel.
Be provided with auxiliary pump oil suction road in described oil sump, oil sump sidewall is provided with auxiliary pump oil outlet.
Described oil sump sidewall is provided with main pump filler opening, is provided with main pump oil outlet above oil sump.
The hull outside of described oil sump is provided with chain tensioning device installation base.
On described oil sump, corresponding main pump is provided with pressure-limit valve and oil leak hole.
Described main pump and auxiliary pump are rotor-type oil pump.
Described oil sump and oil pump and collector shell are a total member.
A kind of engine lubrication system, comprise the machine oil pond for storing machine oil and described engine oil pump, the auxiliary pump oil outlet of described engine oil pump is connected with top, machine oil pond filler opening by auxiliary pump outer pipe, main pump filler opening is connected with oil outlet bottom machine oil pond, and main pump oil outlet is connected with engine lubrication oil duct.
The present invention compared with prior art, has the following advantages:
1, a certain amount of oil lubricating and working pressure is provided by main pump to each kinematic pair of motor, hydraulic unit, and be back to the machine oil in oil sump after collecting motor lubrication work everywhere by auxiliary pump and be transported in the container of specifying, by main pump, lubricant oil in container is pumped in engine lubricating oil road again, motor is under wide-angle tilt operating mode, can guarantee that motor inner engine oil continuously circulates, the work of normal participation lubrication;
2, due to auxiliary pump by lubricant oil collection in oil sump to formulate container in, therefore oil sump oneself height can significantly reduce, make oil sump be convenient to arrange, add ground Clearance and the complete machine height of oil sump;
3, oil sump is provided with auxiliary pump rotor chamber, auxiliary pump and main pump series connection are fixed on oil sump, in addition on oil sump also integrated main pump into and out of oil duct and auxiliary pump into and out of oil duct, this Highgrade integration design, decrease the quantity of engine component, make structure become compacter, weight is lightweight more;
4, the inner integrated oil trap of oil sump, compares the oil trap that conventional engine is independent, decreases the quantity of engine component, reduce weight, compact structure.
Accompanying drawing explanation
Below the content expressed by each width accompanying drawing of this specification and the mark in figure are briefly described:
Fig. 1 is engine lubrication system oil circuit schematic diagram of the present invention.
Fig. 2 is oil pump schematic perspective view of the present invention.
Fig. 3 is oil pump schematic front view of the present invention.
Fig. 4 is oil pump drive end structural representation of the present invention.
Fig. 5 is oil pump rear end structure schematic diagram of the present invention.
Fig. 6 is that oil pump of the present invention is along shaft center cross-sectional schematic.
Fig. 7 is engine oil pump pressure-limiting valve cross-sectional schematic of the present invention.
Fig. 8 is oil pump auxiliary pump exit ramp schematic diagram of the present invention.
Fig. 9 is oil pump main pump oil input channel schematic diagram of the present invention.
Figure 10 is oil pump main pump oil road schematic diagram of the present invention.
In figure: 1. machine oil pond, 2. main pump oil inlet pipe, 3. oil sump engine oil pump assembly, 4. engine lubrication oil duct, 5. auxiliary pump outer pipe, 6. oil sump, 7. pump shaft, 8. pump cover, 9. the pump housing, 10. bolt, 11. location hollow pins, 12. chain tensioning device installation bases, 13. purge cocks, 14. main pump oil outlets, 15. collector shells, 16. filter screens, 17. screws, 18. top flange, 20. front end flanges, end flange after 22., 24. auxiliary pump oil suction roads, 25. auxiliary pump internal rotors, 26. auxiliary pump external rotors, 27 main pump internal rotors, 28 main pump external rotors, 29. pressure-limit valves, 30. pressure-limit valve oil inlet holes, 31. oil leak hole, 32. auxiliary pump oil outlets, 33. main pump filler openings, 34. pressurizer oil mouths, 35 auxiliary pump oil roads, 36. main pump oil input channels, 37. main pump oil roads.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail.
As shown in Figures 1 to 10, the lubrication system of this motor, comprise the oil pump in oil sump 6, oil sump 6 and machine oil pond 1, wherein, oil pump comprises main pump and auxiliary pump, machine oil pond, main pump oil inlet pipe 2, oil sump engine oil pump assembly 3, auxiliary pump oil outlet tube 5 form an oil-way system circulated, and main pump is by lubricant oil supply engine oil leab 4 in machine oil pond 1, and the lubricant oil getting back to oil sump 6 is stored in machine oil pond 1 by auxiliary pump.
Because machine oil pond 1 is the container storing machine oil, solves motor under wide-angle tilt operating mode, can guarantee that motor inner engine oil continuously circulates, the work of normal participation lubrication.
Oil sump 6, oil pump and oil trap integrate formation total member, oil pump comprises main pump and auxiliary pump, oil sump is high-voltage cast-aluminum part, be provided with three sealing surfaces, i.e. top flange 18, front end flange 20, rear end flange 22, seals with engine cylinder-body, front cover, rear cover respectively and is connected.
Oil pump, mainly comprise oil sump 6, pump shaft 7, pump cover 8, the pump housing 9 and two slave oil hydraulic-pump rotors, two slave oil hydraulic-pump rotors are respectively auxiliary pump internal rotor 25, auxiliary pump external rotor 26, main pump internal rotor 27 and main pump external rotor 28, wherein, oil sump 6 is provided with auxiliary pump rotor chamber, installs auxiliary pump internal rotor 25 and auxiliary pump external rotor 26; The pump housing 9 is provided with main pump rotor chamber, installs main pump internal rotor 27 and main pump external rotor 28; Pump cover 8 end face is provided with auxiliary pump oil pocket, and parallel other end is provided with main pump oil pocket, is arranged between oil sump 6 and the pump housing 9, with its formation two groups of oil pump, is respectively auxiliary pump and main pump.
Machine oil in machine oil pond 1 pumps in engine lubricating oil road 4 by main pump, and auxiliary pump is back to the machine oil in oil sump 6 after collecting motor lubrication work everywhere and is transported in machine oil pond 1.Due to auxiliary pump by lubricant oil collection in oil sump 6 in machine oil pond 1, therefore oil sump 6 is no longer as the container storing machine oil, and self capacity and height can significantly reduce, and makes oil sump 6 be convenient to arrange, add the ground Clearance of oil sump 6 simultaneously, reduce motor height.
Main pump and auxiliary pump adopt a pump shaft 7 to drive, and be drive end in pump shaft 7 front end, drive end is provided with step, install sprocket wheel, adopt chain to rotate, and pump shaft 7 and main pump internal rotor 27 interference fit, with auxiliary pump internal rotor 25 spline fitted.
Oil sump 6, pump cover 8 and the pump housing 9 adopt two to locate a string three modes of hollow pin and locate, and guarantee that the pump shaft hole of assembling on rear case is coaxial, and if adopt each bolt 10 1 to connect three Standards together.
Auxiliary pump oil suction road 24 is provided with bottom oil sump 6, auxiliary pump oil suction road 24 is connected with the oil suction chamber of auxiliary pump, and collector shell 15 and filter screen 16 is furnished with on front end, auxiliary pump oil suction road 24 oil sump 6, for the machine oil entering auxiliary pump filters, collector shell 15 adopts four screws 17 to be fixed on the mounting flange bottom oil sump 6; The side of oil sump 6 is provided with auxiliary pump oil outlet 32, and auxiliary pump oil outlet 32 is connected with the oil pocket that goes out of auxiliary pump by auxiliary pump oil road 35 on oil sump 6.
Oil sump 6 side is provided with main pump filler opening 33, and main pump filler opening 33 is connected with main pump oil suction chamber with the main pump oil input channel 36 on the pump housing 9 by oil sump 6, pump cover 8; The mounting flange 18 of oil sump 6 is provided with main pump oil outlet 14, and main pump oil outlet 14 goes out oil pocket with the main pump oil road 37 on the pump housing 9 with main pump by oil sump 6, pump cover 8 and is connected.
Main pump is provided with engine oil pump pressure-limiting valve, and engine oil pump pressure-limiting valve is internal drainage type structure, is arranged on the pump housing 9; Engine oil pump pressure-limiting valve comprises pressure-limit valve 29, pressure-limit valve oil inlet hole 30, oil leak hole 31, and pressure-limit valve oil inlet hole and main pump go out oil pocket and be connected, and oil leak hole main pump oil suction chamber is connected.
Oil sump 6 is provided with three flanges, is top flange 18, front end flange 20 and rear end flange 22, three flanges respectively respectively at cylinder body bottom surface and the sealing of forward and backward cover cap, forms a closed engine crankcase system.
The front-end face of oil sump 6 is provided with chain tensioning device installation base 12; The bottom of oil sump 6 is provided with purge cock 13, and side is provided with pressurizer oil mouth 34.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that design of the present invention and technological scheme are carried out; or design of the present invention and technological scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (10)
1. an engine oil pump, comprise oil sump and be located at the oil pump in oil sump, it is characterized in that: described oil pump comprises main pump and auxiliary pump, described main pump and auxiliary pump are arranged in oil sump by same pump shaft, and described pump shaft outer end is drive end.
2. engine oil pump as claimed in claim 1, is characterized in that: be provided with groove bottom described oil sump, is provided with collector shell and filter screen above groove.
3. engine oil pump as claimed in claim 1, is characterized in that: the drive end of described pump shaft is provided with sprocket wheel.
4. engine oil pump as claimed in claim 1, is characterized in that: be provided with auxiliary pump oil suction road in described oil sump, oil sump sidewall is provided with auxiliary pump oil outlet.
5. engine oil pump as claimed in claim 1, is characterized in that: described oil sump sidewall is provided with main pump filler opening, is provided with main pump oil outlet above oil sump.
6. engine oil pump as claimed in claim 1, is characterized in that: the hull outside of described oil sump is provided with chain tensioning device installation base.
7. engine oil pump as claimed in claim 1, is characterized in that: on described oil sump, corresponding main pump is provided with pressure-limit valve and oil leak hole.
8. engine oil pump as claimed in claim 1, is characterized in that: described main pump and auxiliary pump are rotor-type oil pump.
9. engine oil pump as claimed in claim 1, is characterized in that: described oil sump and oil pump and collector shell are a total member.
10. an engine lubrication system, it is characterized in that: comprise machine oil pond for storing machine oil and engine oil pump as described in any one of claim 1 to 9, the auxiliary pump oil outlet of described engine oil pump is connected with top, machine oil pond filler opening by auxiliary pump outer pipe, main pump filler opening is connected with oil outlet bottom machine oil pond, and main pump oil outlet is connected with engine lubrication oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512252.7A CN105134326B (en) | 2015-08-19 | 2015-08-19 | A kind of engine oil pump and its lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512252.7A CN105134326B (en) | 2015-08-19 | 2015-08-19 | A kind of engine oil pump and its lubricating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105134326A true CN105134326A (en) | 2015-12-09 |
| CN105134326B CN105134326B (en) | 2018-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510512252.7A Active CN105134326B (en) | 2015-08-19 | 2015-08-19 | A kind of engine oil pump and its lubricating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN105134326B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062180A1 (en) * | 2014-10-20 | 2016-04-28 | 奇瑞汽车股份有限公司 | Engine oil pump and engine lubrication system thereof |
| CN106870062A (en) * | 2017-04-27 | 2017-06-20 | 奇瑞汽车股份有限公司 | A kind of automobile engine dry sump |
| CN107201927A (en) * | 2017-06-01 | 2017-09-26 | 合肥工业大学 | A kind of dry lubrication system applied to university student's equation motorcycle race |
| CN107355666A (en) * | 2017-09-09 | 2017-11-17 | 湖南机油泵股份有限公司 | A kind of birotor lubricating oil pump |
| CN108590804A (en) * | 2018-05-02 | 2018-09-28 | 奇瑞汽车股份有限公司 | The lubricating system of dry sump |
| CN110397485A (en) * | 2019-08-07 | 2019-11-01 | 奇瑞汽车股份有限公司 | Engine oil pump |
| CN110966182A (en) * | 2019-12-25 | 2020-04-07 | 吉林大学 | Vane type oil pump and application thereof in engine lubricating system |
| CN110985372A (en) * | 2019-12-25 | 2020-04-10 | 吉林大学 | Oil pump and application thereof in engine lubricating system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201443422U (en) * | 2009-06-18 | 2010-04-28 | 马强 | Engine lubrication system provided with auxiliary engine lubrication system |
| CN102606256A (en) * | 2012-03-29 | 2012-07-25 | 奇瑞汽车股份有限公司 | Novel oil pan for engine |
| CN202484566U (en) * | 2012-02-16 | 2012-10-10 | 南通柴油机股份有限公司 | Novel oil pump of diesel engine |
| CN103574250A (en) * | 2013-10-18 | 2014-02-12 | 湖南机油泵股份有限公司 | Two-stage oil pump |
| CN104405469A (en) * | 2014-10-20 | 2015-03-11 | 奇瑞汽车股份有限公司 | Engine oil pump and engine lubrication system thereof |
-
2015
- 2015-08-19 CN CN201510512252.7A patent/CN105134326B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201443422U (en) * | 2009-06-18 | 2010-04-28 | 马强 | Engine lubrication system provided with auxiliary engine lubrication system |
| CN202484566U (en) * | 2012-02-16 | 2012-10-10 | 南通柴油机股份有限公司 | Novel oil pump of diesel engine |
| CN102606256A (en) * | 2012-03-29 | 2012-07-25 | 奇瑞汽车股份有限公司 | Novel oil pan for engine |
| CN103574250A (en) * | 2013-10-18 | 2014-02-12 | 湖南机油泵股份有限公司 | Two-stage oil pump |
| CN104405469A (en) * | 2014-10-20 | 2015-03-11 | 奇瑞汽车股份有限公司 | Engine oil pump and engine lubrication system thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062180A1 (en) * | 2014-10-20 | 2016-04-28 | 奇瑞汽车股份有限公司 | Engine oil pump and engine lubrication system thereof |
| CN106870062A (en) * | 2017-04-27 | 2017-06-20 | 奇瑞汽车股份有限公司 | A kind of automobile engine dry sump |
| CN107201927A (en) * | 2017-06-01 | 2017-09-26 | 合肥工业大学 | A kind of dry lubrication system applied to university student's equation motorcycle race |
| CN107355666A (en) * | 2017-09-09 | 2017-11-17 | 湖南机油泵股份有限公司 | A kind of birotor lubricating oil pump |
| CN107355666B (en) * | 2017-09-09 | 2022-08-09 | 湖南机油泵股份有限公司 | Double-rotor oil pump |
| CN108590804A (en) * | 2018-05-02 | 2018-09-28 | 奇瑞汽车股份有限公司 | The lubricating system of dry sump |
| CN110397485A (en) * | 2019-08-07 | 2019-11-01 | 奇瑞汽车股份有限公司 | Engine oil pump |
| CN110966182A (en) * | 2019-12-25 | 2020-04-07 | 吉林大学 | Vane type oil pump and application thereof in engine lubricating system |
| CN110985372A (en) * | 2019-12-25 | 2020-04-10 | 吉林大学 | Oil pump and application thereof in engine lubricating system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105134326B (en) | 2018-08-14 |
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