CN101943080A - Motorcycle engine - Google Patents
Motorcycle engine Download PDFInfo
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- CN101943080A CN101943080A CN 201010274387 CN201010274387A CN101943080A CN 101943080 A CN101943080 A CN 101943080A CN 201010274387 CN201010274387 CN 201010274387 CN 201010274387 A CN201010274387 A CN 201010274387A CN 101943080 A CN101943080 A CN 101943080A
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- oil
- oil pump
- power cavity
- engine
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- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides a motorcycle engine. A sealing tendon is arranged between a power cavity and a transmission cavity of a left case and a right case, the sealing tendon is used as an oil separation belt to completely separate the power cavity and the transmission cavity of the engine after the assembly of the left case and the right case, the left case and the right case respectively form a power cavity lubrication oil way and a transmission cavity lubrication oil way which are mutually independent, the power cavity lubrication oil way is communicated with an oil sump at the bottom of the power cavity, and the transmission cavity lubrication oil way is communicated with an oil sump at the bottom of the transmission cavity; and two oil pumps are installed on the right case and are respectively communicated with the power cavity lubrication oil way and the transmission cavity lubrication oil way. By using the technical scheme, the invention realizes the separation of thermal engine lubrication oil and cold engine lubrication oil without changing the shape of the four-stroke engine and the position of the suspension interface of the traditional motorcycle, thereby being beneficial to improving the performance of the engine and prolonging the service life of the engine. The respective oil pump of the two independent lubrication systems can work reliably.
Description
Technical field
The present invention relates to motor, especially motorcycle engine.
Background technique
The power cavity (hot machine part) of existing motorcycle four-stroke engine lumps together with the lubrication system of drive cavity (cold machine is the gearbox drive part), uses with a kind of lubricant oil.Structurally show as: power cavity communicates with drive cavity, lowest part forms shared lubricating oil bath in the chamber, whole motor adopts a cover lubrication system, such lubricant oil road structure is concerning the use of common two-wheeled motor vehicle under conventional environment, be enough to satisfy usage requirement, but concerning the comparatively abominable motor tricycle of applying working condition, its lubricant oil can not satisfy the lubricated normally and cooling needs of motor, if the temperature drift of drive cavity, it is too high and consume too fast phenomenon to occur lubricant oil Yin Wendu easily, and, because drive cavity can produce impurity in operation process, these impurity enter power cavity with lubricant oil, make the lubricant oil of power cavity become unclean, increase bent axle by the probability of locking, influenced the reliability and the working life of motor.
Summary of the invention
The purpose of this invention is to provide and a kind ofly have the dual lubrication system after improving on the existing motorcycle four-stroke engine basis, power cavity separates the motorcycle engine that is lubricated separately with drive cavity.
For achieving the above object, the invention provides a kind of motorcycle engine, the engine crankshaft casing is formed in the face of being hinged with to join by left and right sides two tanks mould assembling, between the power cavity of left and right sides casing and drive cavity, be provided with sealed muscle, after the casing assembling of the left and right sides, sealed muscle is separated the power cavity and the drive cavity of motor fully as the oil removal band, on the casing of the left and right sides, be formed with separate power cavity lubricating oil path and drive cavity lubricating oil path, the power cavity lubricating oil path is communicated with the oil sump of power cavity bottom, and the drive cavity lubricating oil path is communicated with the oil sump of drive cavity bottom; Two oil pumps are installed on right case, and two oil pumps are installed and side by side by crank-driven, being communicated with the power cavity lubricating oil path into and out of hydraulic fluid port of one of them oil pump, being communicated with the drive cavity lubricating oil path into and out of hydraulic fluid port of another oil pump.
The present invention separates the lubricant oil of engine thermal machine with cold machine part, adopt two independently lubrication systems, being lubricated oil pump respectively by two oil pumps send, the lubricating oil temperature of motor drive part is reduced, thereby minimizing even elimination are because the too fast phenomenon of the too high lubrication oil consumption that causes of temperature; After the lubricating oil separation, the impurity that the motor drive part produces in operation process can not gone to hot machine and partly go, thereby the lubricant oil of hot machine part is more cleaned, significantly reduced the probability of faults such as bent axle locking, satisfied particularly tricycle user's demand of certain customers.
Further, the shared oil pump body of above-mentioned two oil pumps, what first oil pump shaft was parallel with second oil pump shaft is installed on the oil pump body, is provided with the oil pump driving gear between first oil pump shaft and second oil pump shaft and is meshed, and first oil pump shaft is provided with the oil pump driving tooth engagement on oil pump driven tooth and the bent axle.This structure is comparatively compact, and oil pump occupation space in motor is little, also can avoid two coaxial being assembled together of oil pump and the string oil phenomenon that occurs, reliable operation.
Further, above-mentioned two oil pumps all are inner and outer rotors formula structures, and the first oil pump internal rotor and the first oil pump external rotor are assemblied in the first oil pump axle head, and the second oil pump internal rotor and the second oil pump external rotor are assemblied in the second oil pump axle head.Adopt the oil pump structure of inner and outer rotors formula, can reduce taking up room of oil pump to greatest extent, be convenient on existing motorcycle four-stroke engine, be provided with two independently oil leabs and very little the motor change.
Adopt technological scheme of the present invention, do not changing existing motorcycle four-stroke engine profile and hanging on the basis of interface position, realized separating of hot machine and cold machine lubricant oil, help to improve engine performance, improve the working life of motor, two independent lubricating systems oil pump separately can be realized working reliably.
Description of drawings
Fig. 1 is the assembling exploded perspective view of motor left box body 1 in the embodiment of the invention, right case 2 and right lid 25.
Fig. 2 is the rear view (covering 25 junction plane views with the right side) of motor right case 2 in the embodiment of the invention.
Fig. 3 is the H-H sectional view (rotation) of Fig. 2.
Fig. 4 is the front view (with left box body 1 junction plane view) of motor right case 2 in the embodiment of the invention.
Fig. 5 is the front view (with right case 2 junction plane views) of motor left box body 1 in the embodiment of the invention.
Fig. 6 is the rear view (with left front lid junction plane view) of motor left box body 1 in the embodiment of the invention.
Fig. 7 is the A-A sectional view of Fig. 2.
Fig. 8 is the B-B sectional view of Fig. 2.
Fig. 9 is the C-C sectional view of Fig. 2.
Figure 10 is the D-D sectional view of Fig. 2.
Figure 11 is the E-E sectional view of Fig. 2.
Figure 12 is the F-F sectional view of Fig. 5.
Figure 13 is the G-G sectional view of Fig. 2.
Among the figure: 1. left box body; 2. right case; 3. power cavity; 4. drive cavity; 5. first sealed muscle; 6. second sealed muscle; 7. power cavity lubricating oil path; 8. drive cavity lubricating oil path; 9. oil sump oil outlet; 10. one-way valve; 11. first via hole; 12. left front lid chamber; 13. first thick filtering net; 14. oil pump body; 15. first oil pump shaft; 16. second oil pump shaft; 17. oil pump driving gear; 18. oil pump driven tooth; 19. oil pump driving tooth; 20. the 3rd via hole; 21. bent axle; 22. the first oil pump internal rotor; 23. major-minor spindle oil groove; 24. oil sealing; 25. right lid; 26. the first oil pump external rotor; 27. the second oil pump internal rotor; 28. the second oil pump external rotor; 29. first oil inlet hole; 30. first oil outlet; 31. second oil inlet hole; 32. second oil outlet.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
To shown in Figure 6, motorcycle engine of the present invention has left box body 1, right case 2 and right lid 25 as Fig. 1, and left box body 1 is made into crankcase body with right case 2 mould assembling in the face of tipping.Be provided with first sealed muscle 5 between the power cavity 3 of left box body 1 and the drive cavity 4, be provided with second sealed muscle 6 between the power cavity 3 of right case 2 and the drive cavity 4, left box body 1 and right case 2 mould assembling in the face of the tipping join after, first sealed muscle 5 and 6 pairs of second sealed muscles are bonded together and as the oil removal band power cavity 3 of motor are separated fully with drive cavity 4, at left box body 1, be formed with separate power cavity lubricating oil path 7 and drive cavity lubricating oil path 8 on the right case 2, power cavity lubricating oil path 7 is communicated with the oil sump of power cavity 3 bottoms, and drive cavity lubricating oil path 8 is communicated with the oil sump of drive cavity 4 bottoms.
Two oil pumps are installed on right case 2, and two oil pumps are installed and side by side by crank-driven, being communicated with the power cavity lubricating oil path into and out of hydraulic fluid port of one of them oil pump, being communicated with the drive cavity lubricating oil path into and out of hydraulic fluid port of another oil pump.
Because the lubricant oil of engine thermal machine with cold machine part is separated, adopt two independently lubrication systems, being lubricated oil pump respectively by two oil pumps send, the lubricating oil temperature of motor drive part is reduced, thereby minimizing even elimination are because the too fast phenomenon of the too high lubrication oil consumption that causes of temperature; After the lubricating oil separation, the impurity that the motor drive part produces in operation process can not gone to hot machine and partly go, thereby the lubricant oil of hot machine part is more cleaned, significantly reduced the probability of faults such as bent axle locking, satisfied particularly tricycle user's demand of certain customers.
Referring to Fig. 3, two shared oil pump bodies 14 of oil pump, first oil pump shaft 15 and parallel side by side being installed on the oil pump body 14 of second oil pump shaft 16, be provided with oil pump driving gear 17 between first oil pump shaft 15 and second oil pump shaft 16 and be meshed, first oil pump shaft 15 is provided with oil pump driving tooth 19 engagements on oil pump driven tooth 18 and the bent axle 21.Adopt the structure of two parallel shared oil pump bodies of oil pump shaft, oil pump occupation space in motor is little, and compact structure also can be avoided two coaxial being assembled together of oil pump and the string that occurs oil phenomenon, reliable operation.
Two oil pumps all are inner and outer rotors formula structures, and the first oil pump internal rotor 22 and the first oil pump external rotor 26 are assemblied in first oil pump shaft, 15 ends, and the second oil pump internal rotor 27 and the second oil pump external rotor 28 are assemblied in second oil pump shaft, 16 ends.Adopt the oil pump structure of inner and outer rotors formula, can reduce taking up room of oil pump to greatest extent, be convenient on existing motorcycle four-stroke engine, be provided with two independently oil leabs and very little the motor change.
Below the working procedure of two lubrication systems is done simple a description.
The power cavity lubrication oil circulation: lubricant oil enters the chamber I from the oil sump oil outlet 9 on the right case 2 shown in Figure 4, the part of chamber I is on right case 2, another part is on left box body shown in Figure 51, one-way valve 10 can be set in the chamber I, prevent that lubricant oil from refluxing, lubricant oil enters left front lid chamber 12 shown in Figure 6 from first via hole 11 on the chamber I sidewall shown in Figure 5 then, referring to Figure 12, Figure 13, lubricant oil enters the chamber II round, the part of chamber II is on left box body 1, another part can be provided with 13 pairs of lubricant oil of first thick filtering net and carry out coarse filtration on right case 2 on the circuitous path that enters the chamber II.
Oilhole 14(on the chamber II sidewall of lubricant oil on right case 2 is referring to Fig. 4) enter the power cavity lubricating oil path 7 among Fig. 9.Referring to Fig. 2, lubricant oil advances from first oil inlet hole 29 then, goes out from first oil outlet 30, flows in the power cavity lubricating oil path 7 again.
Referring to Fig. 8, lubricant oil enters bent axle by power cavity lubricating oil path 7 parts through right side lid, another part enters the lubricated rocking arm of cylinder head etc., and the structure that smart filter screen is installed can be set on the oil circuit of right side lid, and the lubricant oil that enters bent axle and cylinder head has so just passed through thick smart twice and filtered.
Last lubricant oil just flows back to circulation again in the power cavity behind cylinder head and bent axle.
As shown in Figure 2, on right crank, add oil sealing 24, lubricant oil in the power cavity right side of can not leaking is covered in the chamber.Power cavity lubricant oil is communicated with the chamber of left front lid, and respective design is carried out in the position of add oil level when left front lid moulding.
Drive cavity lubrication oil circulation: as shown in Figure 4, oil sump bottom at the drive cavity 4 of right case 2 is equipped with second thick filtering net 19, lubricant oil enters the chamber III through second thick filtering net 19, the 3rd via hole 20 through chamber III sidewall enters drive cavity lubricating oil path 8 shown in Figure 10 then, second oil inlet hole 31 in Fig. 2 advances again, enter drive cavity lubricating oil path 8 after going out by second oil outlet 32, flow to also referring to Fig. 7, Figure 11.
Lubricant oil enters major-minor spindle oil groove 23 from drive cavity lubricating oil path 8, and a part of then lubricant oil enters main shaft and is lubricated, and it flows to referring to Fig. 4; Another part lubricant oil enters countershaft and is lubricated, and it flows to also referring to Fig. 5.
Behind the lubricated major-minor axle, lubricant oil refluxes and into circulates again in the drive cavity 4.
Only through filtering together, drive cavity is communicated with right lid chamber drive cavity lubricant oil, and respective design is carried out in the position of drive cavity add oil level when the lid moulding of the right side.The direction of arrow is expressed as the flow direction of lubricant oil among the figure.That indicated double dot dash line of L is expressed as the lubricant oil liquid level place horizontal line in power cavity and the drive cavity among Fig. 3.Trend and structural form and the not exclusive qualification on the casing of the left and right sides of above-mentioned power cavity lubricating oil path and drive cavity lubricating oil path under the condition of engine structure permission and feasible process, can also be other trend and structural form.
Claims (3)
1. motorcycle engine, the engine crankshaft casing is formed in the face of being hinged with to join by left and right sides two tanks mould assembling, it is characterized in that: between the power cavity of left and right sides casing and drive cavity, be provided with sealed muscle, after the casing assembling of the left and right sides, sealed muscle is separated the power cavity and the drive cavity of motor fully as the oil removal band, on the casing of the left and right sides, be formed with separate power cavity lubricating oil path and drive cavity lubricating oil path, the power cavity lubricating oil path is communicated with the oil sump of power cavity bottom, and the drive cavity lubricating oil path is communicated with the oil sump of drive cavity bottom; Two oil pumps are installed on right case, and two oil pumps are installed and side by side by crank-driven, being communicated with the power cavity lubricating oil path into and out of hydraulic fluid port of one of them oil pump, being communicated with the drive cavity lubricating oil path into and out of hydraulic fluid port of another oil pump.
2. motorcycle engine as claimed in claim 1, it is characterized in that: the shared oil pump body of described two oil pumps, what first oil pump shaft was parallel with second oil pump shaft is installed on the oil pump body, be provided with the oil pump driving gear between first oil pump shaft and second oil pump shaft and be meshed, first oil pump shaft is provided with the oil pump driving tooth engagement on oil pump driven tooth and the bent axle.
3. motorcycle engine as claimed in claim 1 or 2, it is characterized in that: described two oil pumps all are inner and outer rotors formula structures, the first oil pump internal rotor and the first oil pump external rotor are assemblied in the first oil pump axle head, and the second oil pump internal rotor and the second oil pump external rotor are assemblied in the second oil pump axle head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102743871A CN101943080B (en) | 2010-10-11 | 2010-10-11 | Motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102743871A CN101943080B (en) | 2010-10-11 | 2010-10-11 | Motorcycle engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943080A true CN101943080A (en) | 2011-01-12 |
| CN101943080B CN101943080B (en) | 2012-07-18 |
Family
ID=43435247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102743871A Expired - Fee Related CN101943080B (en) | 2010-10-11 | 2010-10-11 | Motorcycle engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN101943080B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715403A (en) * | 2014-09-18 | 2016-06-29 | 光阳工业股份有限公司 | Crankcase of engine |
| CN106321184A (en) * | 2016-10-19 | 2017-01-11 | 盐城工学院 | Lubricating mechanism used for oil pump transition gear of diesel engine |
| CN107605617A (en) * | 2017-09-22 | 2018-01-19 | 力帆实业(集团)股份有限公司 | Water-cooled motorcycle engine crankshaft case combining structure |
| CN107725208A (en) * | 2017-09-22 | 2018-02-23 | 力帆实业(集团)股份有限公司 | Cooling engine for motor cycle water |
Citations (6)
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|---|---|---|---|---|
| CN1319715A (en) * | 2000-03-31 | 2001-10-31 | 本田技研工业株式会社 | Lubrication structure for internal combustion engine |
| CN2637739Y (en) * | 2003-07-16 | 2004-09-01 | 重庆宗申技术开发研究有限公司 | Motorcycle engine lubricating device |
| CN1891983A (en) * | 2005-07-01 | 2007-01-10 | 哈利－戴维森摩托车集团有限公司 | Engine and transmission case assembly |
| DE102008022480A1 (en) * | 2008-05-07 | 2009-01-22 | Daimler Ag | Internal combustion engine-differential gear arrangement for vehicle, has combustion engine and gear comprising oil chambers, separating plate arranged between chambers, and lubricant conveying system staying in connection with one chamber |
| CN201486648U (en) * | 2009-08-28 | 2010-05-26 | 重庆宗申发动机制造有限公司 | Engine |
| CN101858234A (en) * | 2010-04-26 | 2010-10-13 | 重庆隆鑫机车有限公司 | Engine double-lubrication oil way structure |
-
2010
- 2010-10-11 CN CN2010102743871A patent/CN101943080B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319715A (en) * | 2000-03-31 | 2001-10-31 | 本田技研工业株式会社 | Lubrication structure for internal combustion engine |
| CN2637739Y (en) * | 2003-07-16 | 2004-09-01 | 重庆宗申技术开发研究有限公司 | Motorcycle engine lubricating device |
| CN1891983A (en) * | 2005-07-01 | 2007-01-10 | 哈利－戴维森摩托车集团有限公司 | Engine and transmission case assembly |
| DE102008022480A1 (en) * | 2008-05-07 | 2009-01-22 | Daimler Ag | Internal combustion engine-differential gear arrangement for vehicle, has combustion engine and gear comprising oil chambers, separating plate arranged between chambers, and lubricant conveying system staying in connection with one chamber |
| CN201486648U (en) * | 2009-08-28 | 2010-05-26 | 重庆宗申发动机制造有限公司 | Engine |
| CN101858234A (en) * | 2010-04-26 | 2010-10-13 | 重庆隆鑫机车有限公司 | Engine double-lubrication oil way structure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715403A (en) * | 2014-09-18 | 2016-06-29 | 光阳工业股份有限公司 | Crankcase of engine |
| CN106321184A (en) * | 2016-10-19 | 2017-01-11 | 盐城工学院 | Lubricating mechanism used for oil pump transition gear of diesel engine |
| CN106321184B (en) * | 2016-10-19 | 2019-03-22 | 盐城工学院 | A kind of diesel engine oil pump transition gear lubricating structure |
| CN107605617A (en) * | 2017-09-22 | 2018-01-19 | 力帆实业(集团)股份有限公司 | Water-cooled motorcycle engine crankshaft case combining structure |
| CN107725208A (en) * | 2017-09-22 | 2018-02-23 | 力帆实业(集团)股份有限公司 | Cooling engine for motor cycle water |
| CN107605617B (en) * | 2017-09-22 | 2023-10-20 | 力帆实业(集团)股份有限公司 | Motorcycle water-cooled engine crankcase combined structure |
| CN107725208B (en) * | 2017-09-22 | 2024-02-27 | 力帆实业(集团)股份有限公司 | Water-cooled engine for motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101943080B (en) | 2012-07-18 |
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Application publication date: 20110112 Assignee: Chongqing Longxin Engine Ltd. Assignor: Chongqing Longxin Engine Co., Ltd. Contract record no.: 2015500000009 Denomination of invention: Electronic controller of motorcycle engine Granted publication date: 20120718 License type: Exclusive License Record date: 20150522 |
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