CN110397486A - Four-stroke gasoline engine lubrication system with impeller pump - Google Patents

Four-stroke gasoline engine lubrication system with impeller pump Download PDF

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Publication number
CN110397486A
CN110397486A CN201910825364.6A CN201910825364A CN110397486A CN 110397486 A CN110397486 A CN 110397486A CN 201910825364 A CN201910825364 A CN 201910825364A CN 110397486 A CN110397486 A CN 110397486A
Authority
CN
China
Prior art keywords
oil
pump
engine
impeller pump
rotor
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
Application number
CN201910825364.6A
Other languages
Chinese (zh)
Inventor
王见
韦佳子
李栋绪
李清砺
邵逸群
崔景国
王军
颜谨
姜文富
邢书彬
彭恒田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Huasheng Pesticide Machinery Co Ltd
Original Assignee
Shandong Huasheng Pesticide Machinery Co Ltd
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 Shandong Huasheng Pesticide Machinery Co Ltd filed Critical Shandong Huasheng Pesticide Machinery Co Ltd
Priority to CN201910825364.6A priority Critical patent/CN110397486A/en
Publication of CN110397486A publication Critical patent/CN110397486A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/02Pressure lubrication using lubricating pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M11/00Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00Pressure lubrication
    • F01M1/02Pressure lubrication using lubricating pumps
    • F01M2001/0207Pressure lubrication using lubricating pumps characterised by the type of pump
    • F01M2001/0238Rotary pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0488Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The present invention relates to four-stroke gasoline engine technical fields, specifically, it is related to a kind of four-stroke gasoline engine lubrication system with impeller pump, the lubrication system includes an impeller pump combination with oil suction, pump oil function, relative to passing, four-stroke gasoline engine lubrication system is splashed by oil, shift fork, the forms such as vibration form lubricant mist and lubricate, the lubrication system can independently lubricate engine according to specific lubrication route and lubricating system by the pump oil function that impeller pump combines first is that can realize that lubricating oil is detached from the limitation of engine negative pressure condition;Second is that engine oil gas separation chamber can be connected to composition circuit by the lubrication system with engine oil chamber, so that engine oil gas, which is separated indoor machine oil, is recycled to oil storage room, reduces engine motor oil consumption, reduce the discharge of engine harmful substance.

Description

Four-stroke gasoline engine lubrication system with impeller pump
Technical field
The present invention relates to four-stroke gasoline engine technical fields, in particular to a kind of four stroke vapour with impeller pump Oil machine lubrication system.
Background technique
The lubricating system of current four-stroke gasoline engine is mainly splashed by oil, shift fork, the forms formation lubricating oil such as vibration Mist, the lubricant mist of generation are distributed in mist of oil needed for engine in the case where engine piston reciprocating motion is formed by suction function Position, because engine oil storage chamber internal pressure is fluctuation pressure, therefore the lubricating system needs to increase part check valve, check valve one As be rubber parts, check valve failure easy to aging under high temperature environment for a long time, and when machine oil is there are when impurity, check valve is easily Blocking failure.And at present in the lubricating system of four-stroke gasoline engine, Oil-gas Separation room is generally connected to engine aspirating system, spray Partial lubrication mist of oil out enters combustion chamber with fuel mixture and is consumed, cause which engine lubrication oilconsumption compared with Greatly, also increase the discharge of engine harmful substance, therefore, it is necessary to a kind of the operation is stable, can sufficiently will be in Oil-gas Separation room Separated lubricating oil resorption reduces the lubrication system of engine lubrication oilconsumption, to oil storage room to meet the profit of engine Sliding and reduction emission request.
Summary of the invention
Purpose disclosed by the invention includes, for example, providing a kind of four-stroke gasoline engine lubrication system with impeller pump, containing Have one with oil suction, pump oil function rotor pump structure, it can be achieved that lubricating oil be detached from engine negative pressure condition limitation, Neng Goutong The pump oil function of crossing impeller pump independently lubricates engine according to specific lubrication route and lubricating system, and the lubrication knot Engine oil gas separation chamber can be connected to composition circuit by structure with engine oil chamber, be recycled so that engine oil gas is separated indoor machine oil To oil storage room, reduce engine motor oil consumption, to reduce the discharge of engine harmful substance.
Embodiment disclosed by the invention is achieved in that
The technical solution adopted by the present invention is that:
A kind of four-stroke gasoline engine lubrication system with impeller pump, including side cover main body 1, impeller pump combination 2, rotor transmission shaft 3, rotor pump closure 4, camshaft 5, oil filtration body 6, machine oil pipe 7;
Oil passageway 8, internal path 14 are equipped in the side cover main body 1;Suction passage 9 is equipped in the rotor pump closure 4;Institute State pump oil access 11, the relief hole 12 for being equipped with and being connected in camshaft 5;Logical oily channel 10 is equipped in the machine oil pipe 7;
12 quantity of relief hole can be 1 or multiple;
The impeller pump combination 2 is mounted in 1 upper groove of side cover main body, and the rotor pump closure 4 is assembled in side cover main body 1, Space needed for impeller pump combines 2 work is cooperatively formed with side cover main body 1;
3 side of rotor transmission shaft combines the sub- pump group of 2 connecting band turns with impeller pump and closes 2 rotations, and the other side passes through impeller pump Cover board 4 is connect with cam wheel 17;
The cam wheel 17 and 16 engaged transmission of crankshaft toothed wheel on crankshaft 15;
The camshaft 5 passes through cam wheel 17, rotor transmission shaft 3, rotor pump closure 4 and connect with side cover main body 1;
The oil filtration body 6 is connect by machine oil pipe 7 with rotor pump closure 4;
The described impeller pump combination 2, once side cover main body 1 built-in oil passageway 8 from 19 oil suction of Oil-gas Separation room, thus will The lubricating oil resorption isolated in Oil-gas Separation room is to oil storage room 20, secondly suction passage 9 and machine oil pipe through rotor pump closure 4 Logical oily channel 10 in 7, sucking is through the filtered lubricating oil of oil filtration body 6 from oil storage room 20;
The impeller pump combines 2 pump lubricating oils, logical once the internal path 14 of side cover main body 1 and the pump oil of camshaft 5 Road 11 is pumped into inboard wall of cylinder block 18, so that the lubrication of piston, crankshaft group etc. is completed, secondly pumping through the relief hole 12 in camshaft 5 Return oil storage room 20.
Optionally, 12 quantity of relief hole is 2, and bilateral symmetry.
Optionally, the side cover main body 1 is equipped with positive stop lug boss 13 and is used to fix oil filtration body 6.
The invention has the advantages that should contain one with rotor pump type side cover oil storage lubricating system has oil suction, pump oil The rotor pump structure of function can pass through the pump oil of impeller pump first is that realizing that lubricating oil is detached from the limitation of engine negative pressure condition Function independently lubricates engine according to specific lubrication route and lubricating system;Second is that should be stored up with rotor pump type side cover Engine oil gas separation chamber is connected to composition circuit by oil lubrication system with oil storage room, and engine oil gas is separated indoor machine oil and is returned It receives to oil storage room, engine motor oil consumption is reduced, to reduce the discharge of engine harmful substance.
Detailed description of the invention
Fig. 1 is general illustration of the invention
Fig. 2 is that impeller pump combines pump oil access and principle of dynamics figure
Fig. 3 is combined for impeller pump and is connected to schematic diagram with Oil-gas Separation room
Fig. 4 is cutting direction A-A, B-B schematic diagram of the present invention
Fig. 5 is cutting direction C-C schematic diagram of the present invention
Fig. 6 is that rotor pump group closes schematic diagram in the present invention
Fig. 7 is side cover body interior space access figure
Fig. 8 is oil suction path profile of the impeller pump combination from engine Oil-gas Separation room
Fig. 9 is oil suction path profile of the impeller pump combination from oil storage room
Number explanation in attached drawing: 1. side cover main bodys;2. impeller pump combines;2-1. impeller pump internal rotor;2-2. impeller pump outer rotor; 3. rotor transmission shaft;4. rotor pump closure;5. camshaft;6. oil filtration body;7. machine oil pipe;8. oil passageway;9. oil suction is logical Road;10. logical oil channel;11. pump oil access;12. relief hole;13. positive stop lug boss;14. internal path;15. crankshaft;16. crankshaft Gear;17. cam wheel;18. inboard wall of cylinder block;19. Oil-gas Separation room;20. oil storage room;21. regional space A;22. regional space B。
Specific embodiment
As shown in Figures 1 to 9, a kind of four-stroke gasoline engine lubrication system with impeller pump, including side cover main body 1 turn Sub- pump group conjunction 2, rotor transmission shaft 3, rotor pump closure 4, camshaft 5, oil filtration body 6, machine oil pipe 7.
Wherein impeller pump combination 2 is mounted in 1 upper groove of side cover main body, and rotor pump closure 4 is assembled to side cover by bolt In main body 1, space needed for forming 2 work of impeller pump combination, 3 side of rotor transmission shaft combines 2 connecting band turns with impeller pump Sub- pump group closes 2 rotations, and the other side passes through rotor pump closure 4 and connect with cam wheel 17, and the camshaft 5 passes through cam wheel 17, rotor transmission shaft 3, rotor pump closure 4 are connect with side cover main body 1.
The oil filtration body 6 is mounted at air filter body positive stop lug boss 13, and is connected by machine oil pipe 7 and rotor pump closure 4 It connects.
Oil passageway 8, internal path 14 are equipped in the side cover main body 1;Suction passage is equipped in the rotor pump closure 4 9;Pump oil access 11, the relief hole 12 being connected are equipped in the camshaft 5;Logical oily channel 10 is equipped in the machine oil pipe 7;
The pressure release hole number is 2, and internal diameter is identical, bilateral symmetry;Institute
The intercommunicating pore that the suction passage 9 stated, built-in oil passageway 8 combine 2 working regions with impeller pump is in impeller pump internal rotor It is minimum and near at increase tendency that 2-1 and impeller pump outer rotor 2-2 are formed by space.
Machine operation state is as shown in Fig. 2, 15 rotary motion of crankshaft when operating, and power is through the crankshaft toothed wheel 16 on crankshaft 15 After 17 engaged transmission of cam wheel, it is transferred to rotor transmission shaft 3, so that 2 operating of impeller pump combination be driven to carry out oil suction, pump Oil,
The impeller pump combines 2 working principles are as follows: rotor transmission shaft 3 drive impeller pump internal rotor 2-1 in impeller pump combination, Impeller pump outer rotor 2-2 carries out counter-clockwise rotary motion around camshaft 5, according to the working principle of impeller pump, regional space A 21 It is gradually increased with rotary motion, completes the oil absorptive function of impeller pump combination 2;Regional space B 22 is gradually reduced with rotary motion, Complete the pump oil function of impeller pump combination 2.
The described impeller pump combination 2, once side cover main body 1 built-in oil passageway 8 from 19 oil suction of Oil-gas Separation room, from And the abundant resorption of lubricating oil that will be isolated in Oil-gas Separation room;
The described impeller pump combination 2 is secondly logical oily channel 10 in suction passage 9 and machine oil pipe 7 through rotor pump closure 4, from storing up Sucking is through the filtered lubricating oil of oil filtration body 6 in grease chamber 20, to provide tool enough lubricating oil for engine.
As shown in figure 9, the impeller pump combines 2 pump lubricating oils, once the internal path 14 and camshaft of side cover main body 1 5 pump oil access 11, so that the lubrication of piston, crankshaft group etc. is completed, secondly returning to oil storage through the relief hole 12 in camshaft 5 Room 20, plays the role of pressure release.
Compared with conventional, four-stroke gasoline engine lubricating structure, a tool should be contained with rotor pump type side cover oil storage lubricating system There is the rotor pump structure of oil suction, pump oil function, one is that by the limitation that lubricating oil is detached from engine negative pressure condition, by turning The pump oil function of son pump independently lubricates engine according to specific lubrication route and lubricating system;Second is that rotor should be had Engine oil gas separation chamber is connected to composition circuit by pump type side cover oil storage lubricating system with oil storage room, by engine oil gas separation chamber Interior machine oil is recycled to oil storage room, reduces engine motor oil consumption, common hand four stroke engine oil consumption About (3.0 ~ 5.0) g/kWh, using the inventive structure hand four stroke engine oil consumption only (1.5 ~ 2.7) between g/kWh;Because of the reduction of oil consumption, so that the discharge of engine harmful substance is greatly lowered, common hand Hold formula four-stroke engine emission CH+NOXAbout (30 ~ 40) g/kWh is sent out using the hand four stroke of the inventive structure Motivation machine emission CH+NOXOnly (20 ~ 30) g/kWh.

Claims (3)

1. a kind of four-stroke gasoline engine lubrication system with impeller pump, it is characterised in that: including side cover main body (1), impeller pump It combines (2), rotor transmission shaft (3), rotor pump closure (4), camshaft (5), oil filtration body (6), machine oil pipe (7);
Oil passageway (8), internal path (14) are equipped in the side cover main body (1);Oil suction is equipped in the rotor pump closure (4) Channel (9);Pump oil access (11), the relief hole (12) being connected are equipped in the camshaft (5);It is set in the machine oil pipe (7) There is logical oily channel (10);
The impeller pump combination (2) is mounted in side cover main body (1) upper groove, and the rotor pump closure (4) is assembled to side cover master On body (1), space needed for impeller pump combines (2) work is cooperatively formed with side cover main body (1);
Rotor transmission shaft (3) side combines the sub- pump group of (2) connecting band turn with impeller pump and closes (2) rotation, and the other side passes through Rotor pump closure (4) is connect with cam wheel (17);
Crankshaft toothed wheel (16) engaged transmission on the cam wheel (17) and crankshaft (15);
The camshaft (5) passes through cam wheel (17), rotor transmission shaft (3), rotor pump closure (4) and side cover main body (1) and connects It connects;
The oil filtration body (6) is connect by machine oil pipe (7) with rotor pump closure (4);
When machine run, the impeller pump combines (2), and the built-in oil passageway (8) once side cover main body (1) divides from oil gas From room (19) oil suction, thus the lubricating oil resorption that will be isolated in Oil-gas Separation room (19), secondly the suction through rotor pump closure (4) Logical oily channel (10) in oily channel (9) and machine oil pipe (7), from the interior sucking of oil storage room (20) after oil filtration body (6) filtering Lubricating oil;
The impeller pump combines (2) institute pump lubricating oils, internal path (14) and camshaft (5) once side cover main body (1) Pump oil access (11), inboard wall of cylinder block (18) are pumped into, so that the lubrication of piston, crankshaft group etc. is completed, secondly through camshaft (5) In relief hole (12) blowback oil storage room (20).
2. the four-stroke gasoline engine lubrication system according to claim 1 with impeller pump, it is characterised in that: the side Lid main body (1) is equipped with positive stop lug boss (13) and is used to fix oil filtration body (6).
3. the four-stroke gasoline engine lubrication system according to claim 1 with impeller pump, it is characterised in that: the pressure release Hole (12) quantity is 2, and bilateral symmetry.
CN201910825364.6A 2019-09-03 2019-09-03 Four-stroke gasoline engine lubrication system with impeller pump Pending CN110397486A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910825364.6A CN110397486A (en) 2019-09-03 2019-09-03 Four-stroke gasoline engine lubrication system with impeller pump

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Application Number Priority Date Filing Date Title
CN201910825364.6A CN110397486A (en) 2019-09-03 2019-09-03 Four-stroke gasoline engine lubrication system with impeller pump

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CN201910825364.6A Pending CN110397486A (en) 2019-09-03 2019-09-03 Four-stroke gasoline engine lubrication system with impeller pump

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116335936A (en) * 2023-04-23 2023-06-27 嘉兴晨人一信仪表有限公司 Gear pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6408812B1 (en) * 2000-09-19 2002-06-25 The Lubrizol Corporation Method of operating spark-ignition four-stroke internal combustion engine
AU5279302A (en) * 1998-03-05 2002-08-15 Mtd Products Inc. Multiple-position, operator-carried, four-stroke engine
EP2525055A2 (en) * 2011-05-16 2012-11-21 Bayerische Motoren Werke Aktiengesellschaft Combustion engine
US20150020760A1 (en) * 2011-09-22 2015-01-22 Etg Limited Four-cycle Internal Combustion Engine
DE102014017864A1 (en) * 2014-12-03 2016-06-09 Daimler Ag Oil separation device for a combustion engine
CN210460787U (en) * 2019-09-03 2020-05-05 山东华盛农业药械有限责任公司 Four-stroke gasoline engine lubricating structure with rotor pump

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5279302A (en) * 1998-03-05 2002-08-15 Mtd Products Inc. Multiple-position, operator-carried, four-stroke engine
US6408812B1 (en) * 2000-09-19 2002-06-25 The Lubrizol Corporation Method of operating spark-ignition four-stroke internal combustion engine
EP2525055A2 (en) * 2011-05-16 2012-11-21 Bayerische Motoren Werke Aktiengesellschaft Combustion engine
US20150020760A1 (en) * 2011-09-22 2015-01-22 Etg Limited Four-cycle Internal Combustion Engine
DE102014017864A1 (en) * 2014-12-03 2016-06-09 Daimler Ag Oil separation device for a combustion engine
CN210460787U (en) * 2019-09-03 2020-05-05 山东华盛农业药械有限责任公司 Four-stroke gasoline engine lubricating structure with rotor pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116335936A (en) * 2023-04-23 2023-06-27 嘉兴晨人一信仪表有限公司 Gear pump
CN116335936B (en) * 2023-04-23 2024-04-09 嘉兴晨人一信仪表有限公司 Gear pump

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