CN109404194B - Electric starting mechanism for pedal motorcycle engine - Google Patents
Electric starting mechanism for pedal motorcycle engine Download PDFInfo
- Publication number
- CN109404194B CN109404194B CN201811314061.XA CN201811314061A CN109404194B CN 109404194 B CN109404194 B CN 109404194B CN 201811314061 A CN201811314061 A CN 201811314061A CN 109404194 B CN109404194 B CN 109404194B
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- China
- Prior art keywords
- starting clutch
- engine
- starting
- cushion cover
- crankshaft
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Of Transmissions (AREA)
- Mechanical Operated Clutches (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to an electric starting mechanism for a pedal motorcycle engine, which comprises: the starting clutch is arranged on a front end shaft neck of a crankshaft on the left side of the engine, an inner hole of the starting clutch is in splined connection with the front end shaft neck of the crankshaft and is tightly pressed on a front end shaft shoulder of the crankshaft through a cushion sleeve, outer teeth of the starting clutch are connected with an output shaft of a starting motor through a duplicate gear, the starting clutch is located on the outer side of the left end of a left box body of a crankcase of the engine, a timing chain is arranged between the starting clutch and the left box body of the crankcase, an oil separating disc is arranged on the left side of the starting clutch, and the oil separating disc. The invention has the beneficial effects that: the invention has simple structure and convenient installation and maintenance, reduces the abrasion of the clutch and improves the reliability thereof because the starting clutch has enough lubrication, obviously reduces the failure rate of the engine, and better solves the problem existing when the electric starting clutch is arranged at the left side of the engine.
Description
Technical Field
The invention relates to the technology of motorcycle engines, in particular to an electric starting mechanism for a pedal motorcycle engine.
Background
The engine can not be automatically switched into a working state from rest, the crankshaft must be rotated by external force until the crankshaft reaches the rotating speed necessary for the engine to start combustion, and the formation, compression and ignition of the mixed gas can be ensured to be smoothly carried out. The electric starting mechanism on the left side of the domestic pedal motorcycle engine is in a dry type, as shown in the attached drawing figure 1 of the specification, because a starting clutch is in an open environment and is not cooled by lubricating oil, the electric starting mechanism is easy to damage, and the market feedback failure rate is high, so that the domestic pedal motorcycle engine is mostly arranged in a right side oil bath type electric starting mechanism, as shown in the attached drawing figure 2 of the specification, the size of the right side of the engine is longer than that of the left side, and the electric starting mechanism is not easy to arrange on the whole vehicle. At present, due to the requirement of newly designed engines, if a starting clutch is arranged on the right side of the engine, the size of the right side of the engine is too large, the size of the left side of the engine is too small, the left and right mass and size of the engine are not uniform, and the whole motorcycle is not easy to arrange. Therefore, for a scooter type motorcycle, it is necessary to design an oil bath type structure in which an electric starting clutch is disposed on the left side of an engine.
Disclosure of Invention
The invention aims to provide an electric starting mechanism for a pedal motorcycle engine, which arranges an oil bath type electric starting mechanism on the left side of the engine, reduces the size of the right side of the engine and solves the problem of poor reliability of the left side dry type electric starting mechanism in China at present.
The invention adopts the following technical scheme: an electric starting mechanism for a pedal motorcycle engine, comprising: the starting clutch is arranged on a front end shaft neck of a crankshaft on the left side of the engine, an inner hole of the starting clutch is in splined connection with the front end shaft neck of the crankshaft and is tightly pressed on a front end shaft shoulder of the crankshaft through a cushion cover, outer teeth of the starting clutch are connected with an output shaft of a starting motor through a duplicate gear, the starting clutch is positioned on the outer side of the left end of a left box body of a crankcase of the engine, a timing chain is arranged between the starting clutch and the left box body of the crankcase, an oil separating disc is arranged on the left side of the starting clutch and is fixedly connected to the left end of the left box body of the crankcase through a fastening bolt, one end of the cushion cover penetrates through the oil separating disc to be contacted with the starting clutch, the other end of the cushion cover is contacted with a driving disc of the continuously variable transmission, the starting clutch is tightly pressed through a nut for fastening, the oil separating disc and the left crankcase body form a sealed cavity; the oil separating disc is matched with the left end appearance structure of the crankcase left box body in appearance structure, a through hole in clearance fit with the outer circle of the cushion cover is arranged in the middle of the oil separating disc, a coaxial counter bore is formed in an orifice of the through hole located on one side of the starting clutch, and an oil seal which forms seal with the outer circle face of the cushion cover is installed in the counter bore.
The whole cushion cover is of an annular structure, the annular inner diameter of the cushion cover is in clearance fit with a shaft neck at the front end of the crankshaft, and an annular groove for installing an O-shaped sealing ring is formed in the annular inner wall of the cushion cover.
And a gasket is arranged between the starting clutch and the shaft shoulder at the front end of the crankshaft, and an oil groove is arranged on the gasket.
The principle of the invention is as follows: a sealed cavity is additionally arranged on the left side of a left box body of an engine crankcase by using an oil separating disc, the starting clutch is placed in the cavity, lubricating oil is injected into the cavity, lubricating oil drops can be splashed onto the starting clutch by the movement of a timing chain, and meanwhile, the lubricating oil can flow onto the starting clutch from an oil groove on a gasket, so that the normal lubrication of the starting clutch is ensured.
The invention has the beneficial effects that: the invention has simple structure and convenient installation and maintenance, reduces the abrasion of the clutch and improves the reliability thereof because the starting clutch has enough lubrication, obviously reduces the failure rate of the engine, and better solves the problem existing when the electric starting clutch is arranged at the left side of the engine.
Drawings
Fig. 1 is a schematic diagram of a left-side dry electric starter arrangement.
FIG. 2 is a schematic diagram of the arrangement of the right oil bath type electric starter.
Fig. 3 is a schematic view of the overall structure of the present invention.
Fig. 4 is a schematic view of an oil separation pan of the present invention.
Fig. 5 is a schematic view of a pallet of the present invention.
In the figure, 1, a nut, 2, a CVT driving disc, 3, 0-type sealing ring, 4, a cushion cover, 5, an oil seal, 6, an oil separating disc, 7, a starting clutch, 8, a timing chain, 9, a gasket, 10, a left box body, 11, a crankshaft assembly, 12, a fastening bolt, 13, a sealing gasket, 14, a duplicate gear, 15, a starting motor, 16 and a duplicate gear shaft.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 3, the left side in the present invention refers to the side where the front end journal of the engine crankshaft is located.
As shown in fig. 3, an electric starting mechanism for a pedal motorcycle engine includes: a starting clutch 7 arranged on the front end shaft neck of the crankshaft on the left side of the engine, the inner hole of the starting clutch 7 is in splined connection with the front end shaft neck of the crankshaft and is pressed on the front end shaft shoulder of the crankshaft through a cushion cover 4, the outer teeth of the starting clutch 7 are connected with the output shaft of a starting motor 15 through a duplicate gear 14, the starting clutch 7 is positioned on the outer side of the left end of a left box body 10 of a crankcase of the engine, a timing chain 8 is arranged between the starting clutch 7 and the left box body 10 of the crankcase, an oil separating disc 6 is arranged on the left side of the starting clutch 7, the oil separating disc 6 is fixedly connected to the left end of the left box body 10 of the crankcase through a fastening bolt 12, one end of the cushion cover 4 penetrates through the oil separating disc 6 to be in contact with the starting clutch 7, the other end of the cushion cover 4 is in contact with a CVT driving disc 2, the, a sealing gasket 13 is arranged between the oil separating disc 6 and the left crankcase body 10, so that the oil separating disc 6 and the left crankcase body 10 form a sealed cavity; as shown in fig. 4, the external shape structure of the oil separation disc 6 is matched with the external shape structure of the left end of the crankcase left box body 10, the middle part of the oil separation disc 6 is provided with a through hole in clearance fit with the excircle of the cushion cover 4, the hole opening of the through hole at one side of the starting clutch 7 is provided with a coaxial counter bore, and an oil seal 5 which forms a seal with the excircle surface of the cushion cover 4 is arranged in the counter bore;
as shown in fig. 5, the whole cushion cover 4 is of an annular structure, the annular inner diameter of the cushion cover is in clearance fit with the shaft neck at the front end of the crankshaft, and an annular groove for installing the O-shaped sealing ring 3 is formed in the annular inner wall of the cushion cover 4.
And a gasket 9 is also arranged between the starting clutch and the shaft shoulder at the front end of the crankshaft, and an oil groove is arranged on the gasket 9.
In the present invention, the fastening of the starting clutch: as shown in fig. 3, the outermost end of the left side is provided with a fastening nut 1, the fastening nut 1 presses a CVT driving disc 2, the CVT driving disc 2 presses a cushion cover 4, the cushion cover 4 presses a starting clutch 7, the starting clutch 7 presses a gasket 9, and the gasket 9 presses a front end shaft shoulder of a crankshaft assembly 11; the starting clutch 7 is connected with the crankshaft assembly 11 through a spline, and the parts are fastened through the pretightening force of the fastening nut 1.
In the invention, the electric starting principle is as follows: when the engine is started, the starting motor 15 is electrified to drive the duplicate gear 14 to rotate, the duplicate gear is fixed on the duplicate gear shaft 16, the duplicate gear 14 drives the starting clutch 7 to rotate, the starting clutch 7 drives the crankshaft assembly 11 to rotate, and finally the engine is started.
In the invention, the sealing and lubrication of the electric starting mechanism: the invention arranges the electric starting mechanism of the pedal motorcycle engine on the left side, in order to solve the lubrication problem of the starting clutch 7, improve its reliability and durability, design the oil separating disc 6 on the left side of the starting clutch 7, contain the lubricant droplet in the cavity formed between oil separating disc 6 and left container 10, the lubricant is through the movement of the timing chain 8, the lubricant that flies and splashes drops on the starting clutch 7, there are oil grooves on the back-up ring 9 at the same time, the lubricant droplet can flow to the starting clutch 7 along the oil groove, have guaranteed the normal lubrication of the starting clutch 7; the inner hole of the cushion cover 4 is provided with a groove which is matched with the O-shaped ring 3 and can prevent lubricating oil from flowing out from the space between the crankshaft assembly 11 and the cushion cover 4, and an oil seal 5 is arranged between the cushion cover 4 and the oil separation disc 6 and can prevent the lubricating oil from flowing out from the space between the oil separation disc 6 and the cushion cover 4; a sealing gasket 13 is arranged between the oil separating disc 6 and the left box body 10, so that lubricating oil can be prevented from flowing out from the space between the oil separating disc 6 and the left box body 10.
The present invention is not described in detail in the prior art.
Claims (3)
1. An electric starting mechanism for a pedal motorcycle engine is characterized in that: the method comprises the following steps: the starting clutch is arranged on a front end shaft neck of a crankshaft on the left side of the engine, an inner hole of the starting clutch is in splined connection with the front end shaft neck of the crankshaft and is tightly pressed on a front end shaft shoulder of the crankshaft through a cushion cover, outer teeth of the starting clutch are connected with an output shaft of a starting motor through a duplicate gear, the starting clutch is positioned on the outer side of the left end of a left box body of a crankcase of the engine, a timing chain is arranged between the starting clutch and the left box body of the crankcase, an oil separating disc is arranged on the left side of the starting clutch and is fixedly connected to the left end of the left box body of the crankcase through a fastening bolt, one end of the cushion cover penetrates through the oil separating disc to be contacted with the starting clutch, the other end of the cushion cover is contacted with a driving disc of the continuously variable transmission, the starting clutch is tightly pressed through a nut for fastening, the oil separating disc and the left crankcase body form a sealed cavity; the oil separating disc is matched with the left end appearance structure of the crankcase left box body in appearance structure, a through hole in clearance fit with the outer circle of the cushion cover is arranged in the middle of the oil separating disc, a coaxial counter bore is formed in an orifice of the through hole located on one side of the starting clutch, and an oil seal which forms seal with the outer circle face of the cushion cover is installed in the counter bore.
2. The electric starting mechanism for the pedal motorcycle engine as set forth in claim 1, wherein: the whole cushion cover is of an annular structure, the annular inner diameter of the cushion cover is in clearance fit with a shaft neck at the front end of the crankshaft, and an annular groove for installing an O-shaped sealing ring is formed in the annular inner wall of the cushion cover.
3. The electric starting mechanism for the pedal motorcycle engine as set forth in claim 1, wherein: and a gasket is arranged between the starting clutch and the shaft shoulder at the front end of the crankshaft, and an oil groove is arranged on the gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314061.XA CN109404194B (en) | 2018-11-06 | 2018-11-06 | Electric starting mechanism for pedal motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314061.XA CN109404194B (en) | 2018-11-06 | 2018-11-06 | Electric starting mechanism for pedal motorcycle engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404194A CN109404194A (en) | 2019-03-01 |
| CN109404194B true CN109404194B (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811314061.XA Active CN109404194B (en) | 2018-11-06 | 2018-11-06 | Electric starting mechanism for pedal motorcycle engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN109404194B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6899858B2 (en) * | 2019-03-05 | 2021-07-07 | 本田技研工業株式会社 | Internal combustion engine |
| CN112031976B (en) * | 2019-06-04 | 2023-01-10 | 北京车和家信息技术有限公司 | Engine starting control method and device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101220770A (en) * | 2002-04-08 | 2008-07-16 | 雅马哈发动机株式会社 | Engine |
| CN100400821C (en) * | 2003-06-16 | 2008-07-09 | 雅马哈发动机株式会社 | Engine with built-in continuously variable transmission |
| JP2006143123A (en) * | 2004-11-24 | 2006-06-08 | Yamaha Motor Co Ltd | Motorcycle |
| EP1953374A3 (en) * | 2007-01-31 | 2012-01-25 | Yamaha Hatsudoki Kabushiki Kaisha | Vehicle engine idle speed control |
| US8919479B1 (en) * | 2007-07-25 | 2014-12-30 | Polaris Industries Inc. | Mechanism for propelling a vehicle |
| JP5275961B2 (en) * | 2009-11-30 | 2013-08-28 | 本田技研工業株式会社 | Lubrication structure of valve mechanism |
| US8844493B2 (en) * | 2010-12-28 | 2014-09-30 | Kawasaki Jukogyo Kabushiki Kaisha | Lubricating oil feeding structure of engine |
| CN202100339U (en) * | 2011-05-24 | 2012-01-04 | 重庆路沃发动机有限公司 | Oil separating plate assembly for motorcycle engine |
| CN102200043A (en) * | 2011-05-24 | 2011-09-28 | 重庆路沃发动机有限公司 | Oil separation disc combination of motorcycle engine |
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2018
- 2018-11-06 CN CN201811314061.XA patent/CN109404194B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109404194A (en) | 2019-03-01 |
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