CN2833142Y - Cylinder of motorcycle engine - Google Patents
Cylinder of motorcycle engine Download PDFInfo
- Publication number
- CN2833142Y CN2833142Y CN 200520062565 CN200520062565U CN2833142Y CN 2833142 Y CN2833142 Y CN 2833142Y CN 200520062565 CN200520062565 CN 200520062565 CN 200520062565 U CN200520062565 U CN 200520062565U CN 2833142 Y CN2833142 Y CN 2833142Y
- Authority
- CN
- China
- Prior art keywords
- cylinder
- cooling
- radiating fin
- inner cavity
- cylinder block
- 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.)
- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a cylinder body of a motorcycle engine, which comprises the inner cavity of the cylinder, and a plurality of radiating sheets arranged on the outer surface of the cylinder body, wherein reinforcing ribs are arranged between each two of the radiating sheets, and both sides of the cylinder body adjacent to an air outlet of a cooling fan are provided with the radiating sheets distributed inclined to the shaft line of the inner cavity of the cylinder; both sides of the outside of the cylinder body far away from the air outlet of the cooling fan are provided with the radiating sheets distributed vertical to the shaft line of the inner cavity of the cylinder. An air passage formed by the radiating sheets which are distributed slantwise effectively leads cooling airflow generated by the cooling fan to the air opposite side of a cylinder cover, so that the high-temperature areas on the cylinder cover and at the upper part of the cylinder body are cooled uniformly and sufficiently.
Description
Technical field
The utility model relates to a kind of forced air cooling motorcycle engine, particularly forced air cooling motorcycle engine cylinder block.
Background technique
Motorcycle engine cylinder cap and high-temperature zone, cylinder block top are because heat load is very serious, be easy to generate heat fatigue cracking, therefore, how to guarantee that this zone has enough cooling spaces and intensity of cooling is one of emphasis during cylinder head and block structure are arranged, people use air-cooled heat radiation usually at present, promptly are the radiating fin that is provided with in the periphery of cylinder head and cylinder block perpendicular to the cylinder inner cavity axis.The forced air cooling motorcycle engine produces cooling blast with cooling fan and cools off, but because the zone that cooling blast can directly arrive has only the both sides of close cooling fan exhaust outlet, the both sides that cylinder head and cylinder block deviate from the cooling fan exhaust outlet can only be subjected to being obstructed by cylinder head cover and change the air-flow cooling of the flow direction, but this moment, the temperature of cooling blast raise, cooling effect is lower, this is to form cylinder head and the overheated major reason of cylinder block, therefore develop and a kind ofly the cooling blast that cooling fan produces directly can be directed to the cylinder head lee face, make cylinder head and high-temperature zone, cylinder block top obtain evenly, fully the motorcycle engine cylinder block of cooling is just put on people's research schedule.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of can be directed to the cooling medium that cooling fan produces the motorcycle engine cylinder block that the cylinder head lee face makes that cylinder head and cylinder block top obtain evenly, fully cool off.
The technological scheme that the utility model adopted is:
A kind of motorcycle engine cylinder block, the polylith radiating fin that it comprises cylinder inner cavity and is arranged on the cylinder block outer surface, be provided with stiffening rib between the radiating fin, cylinder block is provided with near the both sides of outer cooling fan outlet and favours the radiating fin that the cylinder inner cavity axis distributes, and is positioned at cylinder block and deviates from cooling fan exhaust outlet both sides outward and be provided with the radiating fin that distributes perpendicular to the cylinder inner cavity axis;
As further improvement in the technical proposal, described stiffening rib is provided with through hole makes the cooling channel of radiating fin formation be interconnected.
The beneficial effects of the utility model are: the utility model is provided with in the both sides near the cooling fan exhaust outlet and favours the radiating fin that the cylinder inner cavity axis distributes, replace original radiating fin perpendicular to the distribution of cylinder inner cavity axis, the cooling blast that the air channel that the radiating fin of tilt distribution forms effectively produces cooling fan is directed to the lee face side of cylinder head, makes that cylinder head and high-temperature zone, cylinder block top obtain evenly, fully cooling; In addition, stiffening rib is provided with through hole makes the cooling channel of radiating fin formation be interconnected, and it is unobstructed that cooling medium is flowed, and improved cooling effectiveness.
Description of drawings
Following accompanying drawing further specifies the utility model.
Fig. 1 is a mounting structure schematic representation of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the plan view of Fig. 2.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of motorcycle engine cylinder block, the polylith radiating fin 2 that it comprises cylinder inner cavity 1 and is arranged on the cylinder block outer surface, formed the cooling channel of wind-guiding between the radiating fin 2, in order to prevent that the situation of vibrations from appearring in radiating fin 2 in the process of wind-guiding, be provided with stiffening rib 3 between the radiating fin 2, the set radiating fin 2 of the utility model is divided into two kinds, a kind of is that outer being provided with near both sides, cooling fan air side of cylinder block favours the radiating fin 21 that cylinder inner cavity 1 axis distributes, the cool air that the air channel that radiating fin 21 forms effectively produces cooling fan takes the leeward side of cylinder head to, make cylinder head and high-temperature zone, cylinder block top obtain evenly, fully cooling, another kind is to be positioned at cylinder block to deviate from cooling fan exhaust outlet both sides outward and be provided with the radiating fin 22 that distributes perpendicular to cylinder inner cavity 1 axis, in addition, stiffening rib 3 is provided with through hole and makes radiating fin 21,22 cooling channels that form are interconnected, it is unobstructed that this design is flowed cooling medium, improved cooling effectiveness.
The utility model can be directed to the cooling medium that cooling fan produces the cylinder head lee face and make that cylinder head and cylinder block top obtain evenly, fully cooling, thereby is widely used on the forced air cooling motorcycle engine.
Claims (2)
1. motorcycle engine cylinder block, the polylith radiating fin (2) that it comprises cylinder inner cavity (1) and is arranged on the cylinder block outer surface, be provided with stiffening rib (3) between the radiating fin (2), it is characterized in that: the outer both sides near the cooling fan exhaust outlet of cylinder block are provided with and favour the radiating fin (21) that cylinder inner cavity (1) axis distributes, and are positioned at the both sides that cylinder block deviates from the cooling fan exhaust outlet outward and are provided with the radiating fin (22) that distributes perpendicular to cylinder inner cavity (1) axis.
2. a kind of motorcycle engine cylinder block according to claim 1 is characterized in that: described stiffening rib (3) is provided with through hole makes the cooling channel of radiating fin (21,22) formation be interconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520062565 CN2833142Y (en) | 2005-08-03 | 2005-08-03 | Cylinder of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520062565 CN2833142Y (en) | 2005-08-03 | 2005-08-03 | Cylinder of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2833142Y true CN2833142Y (en) | 2006-11-01 |
Family
ID=37197455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520062565 Expired - Fee Related CN2833142Y (en) | 2005-08-03 | 2005-08-03 | Cylinder of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2833142Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114932A (en) * | 2013-02-26 | 2013-05-22 | 隆鑫通用动力股份有限公司 | Radiating crankcase side cover of motorcycle motor, crankcase and motorcycle with same |
| CN103867326A (en) * | 2012-12-12 | 2014-06-18 | 雅马哈发动机株式会社 | Forced air-cooling type internal combustion engine and saddled vehicle having the same |
-
2005
- 2005-08-03 CN CN 200520062565 patent/CN2833142Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867326A (en) * | 2012-12-12 | 2014-06-18 | 雅马哈发动机株式会社 | Forced air-cooling type internal combustion engine and saddled vehicle having the same |
| CN103867326B (en) * | 2012-12-12 | 2017-04-12 | 雅马哈发动机株式会社 | Forced air-cooling type internal combustion engine and saddled vehicle having the same |
| CN103114932A (en) * | 2013-02-26 | 2013-05-22 | 隆鑫通用动力股份有限公司 | Radiating crankcase side cover of motorcycle motor, crankcase and motorcycle with same |
| CN103114932B (en) * | 2013-02-26 | 2015-09-02 | 隆鑫通用动力股份有限公司 | Heat radiating type crankshaft box of motorcycle engine side cover, crankcase and motorcycle thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20070202 Pledge (preservation): Preservation |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20070718 Pledge (preservation): Preservation registration |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20080404 Pledge (preservation): Preservation |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20081006 Pledge (preservation): Preservation registration |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20081121 Pledge (preservation): Preservation |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20090521 Pledge (preservation): Preservation registration |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061101 |