CN201818381U - Engine cylinder head for wind-cooling motorcycle - Google Patents
Engine cylinder head for wind-cooling motorcycle Download PDFInfo
- Publication number
- CN201818381U CN201818381U CN201020564163XU CN201020564163U CN201818381U CN 201818381 U CN201818381 U CN 201818381U CN 201020564163X U CN201020564163X U CN 201020564163XU CN 201020564163 U CN201020564163 U CN 201020564163U CN 201818381 U CN201818381 U CN 201818381U
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- CN
- China
- Prior art keywords
- cylinder head
- engine cylinder
- stiffening rib
- radiator shutter
- hollow type
- 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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Abstract
The utility model provides an engine cylinder head for a wind-cooling motorcycle, aiming at solving the problems that the radiating airflow of the engine cylinder head for the motorcycle in the prior art is blocked, the radiating efficiency is reduced, and the like. The engine cylinder head for the wind-cooling motorcycle adopts a hollow stiffener to fix the cascaded radiating vanes; and furthermore, the engine cylinder head inclines outwards according to the gradual increment of the external extension dimension of the radiating vanes. The engine cylinder head for the wind-cooling motorcycle has the advantages that the hollow stiffener is adopted, so that the radiating airflow can flow by the radiating vanes one by one; the heat can be brought away effectively; the radiating efficiency can be improved; furthermore, the external extension dimension of the radiating vanes can be increased as large as possible by adopting the hollow stiffener, and the radiating area can be increased.
Description
Technical field
The utility model relates to a kind of motorcycle engine cylinder head, specially refers to a kind of air-cooled motorcycle engine cylinder head.
Background technique
Along with the raising day by day of environmental requirement, to the also raising day by day of requirement of motorcycle engine exhaust emissions, and one of basic means that reduces pollutant content in the engine exhaust emission is exactly to improve the emission controls by improving combustion degree.So-called emission controls by improving combustion is meant by various The Application of Technology and makes fuel oil perfect combustion as far as possible in cylinder, thereby the minimizing motor is discharged the harmful components in the gas.Have only effective raising emission controls by improving combustion degree, the forward and backward purified treatment of binding engine discharging could guarantee that the exhaust emissions of motorcycle engine reaches higher environmental protection requirements again.At present, improve emission controls by improving combustion degree method and mainly contain technology such as improving compression ratio, boost pressure, gas distribution system adjustment, hot machine parts heat load increases the weight of, part reliability reduces but above-mentioned The Application of Technology all can cause.Particularly the motorcycle engine cylinder head is difficult to contact with the wind that travels under actual user mode because of its top upside high-temperature part, and heat radiation is difficulty comparatively, and working life is shorter.For solving the problem of motorcycle engine cylinder head heat radiation difficulty, usually adopt the mode that increases the outside radiator shutter of cylinder head to solve heat dissipation problem, simultaneously, for the intensity of the radiator shutter that guarantees layered laminate, between the sheet of radiator shutter and sheet, continuous stiffening rib is set.But, because the continuous stiffening rib that prior art is provided with between the sheet of radiator shutter and sheet makes distinguished and admirable obstruction of heat radiation to greatly reduce radiating efficiency that its radiating effect is still comparatively limited.
In addition, if increase the radiator shutter area of motorcycle cylinder head, under the irrational situation of reinforcing rib design, because the distinguished and admirable effect radiator shutter in the motorcycle driving process also can produce the blade trill.
Summary of the invention
For solving distinguished and admirable obstruction of prior art motorcycle engine cylinder head heat radiation, problems such as radiating efficiency reduction the utility model proposes a kind of air-cooled motorcycle engine cylinder head.The air-cooled motorcycle engine cylinder head of the utility model adopts the stacked radiator shutter of hollow type stiffening rib fixed bed, and according to the increase gradually of the extension size of radiator shutter and outward-dipping.The air-cooled motorcycle engine cylinder head of the utility model adopt the hollow type stiffening rib can allow heat radiation distinguished and admirable from radiator shutter sheet and sheet between the unobstructed flow mistake, effectively take away heat, improved radiating efficiency.And,, increase heat diffusion area owing to adopt the hollow type stiffening rib to increase the extension size of radiator shutter as much as possible.
The air-cooled motorcycle engine cylinder head of the utility model adopts the stacked radiator shutter of hollow type stiffening rib fixed bed, comprise, at the edge of layered laminate radiator shutter, the larger part of perhaps loading is provided with between sheet and sheet that radiator shutter that the hollow type stiffening rib makes layered laminate interconnects and fixing; Wherein, the value of the cross section length and width of described hollow type stiffening rib is 2-5mm * 8-20mm.
The air-cooled motorcycle engine cylinder head of the utility model hollow type stiffening rib comprises according to the increase gradually of the extension size of radiator shutter and outward-dipping, when the extension size of radiator shutter increases gradually, the hollow type stiffening rib be provided with that the position is also outer simultaneously to be moved.
The useful technique effect of the air-cooled motorcycle engine cylinder head of the utility model is the cooling effect that can effectively improve cylinder head, can eliminate the consequence of the temperature rising that brings after compression ratio lifting, the performance boost, combustion efficiency is improved be achieved the improvement that helps discharging and the inhibition of pinking.Stiffening rib so is furnished with and is beneficial to the elimination of blade trill simultaneously.
Description of drawings
Accompanying drawing 1 is the cross-sectional schematic that the air-cooled motorcycle engine cylinder head of the utility model embodiment stiffening rib is provided with the position;
Accompanying drawing 2 is the air-cooled motorcycle engine cylinder head of the utility model embodiment cylinder head exhaust side front elevational schematic;
Accompanying drawing 3 is the air-cooled motorcycle engine cylinder head of the utility model embodiment chain chamber side front elevational schematic;
Accompanying drawing 4 is the air-cooled motorcycle engine cylinder head of the utility model embodiment spark plug side front elevational schematic;
Accompanying drawing 5 is the air-cooled motorcycle engine cylinder head of the utility model embodiment cylinder head air inlet side front elevational schematic.
Below in conjunction with the drawings and specific embodiments the motorcycle engine cylinder head that the utlity model has cooling duct is further described.
Embodiment
Accompanying drawing 1 is the cross-sectional schematic that the air-cooled motorcycle engine cylinder head of the utility model embodiment stiffening rib is provided with the position, among the figure, the 1st, be in the hollow type stiffening rib of radiator shutter edge, the 2nd, radiator shutter, the 3rd, be in the hollow type stiffening rib of load larger part.As seen from the figure, the air-cooled motorcycle engine cylinder head of the utility model is at the edge of layered laminate radiator shutter, and the larger part of perhaps loading is provided with between sheet and sheet that radiator shutter that the hollow type stiffening rib makes layered laminate interconnects and fixing; The length and width value of described hollow type stiffening rib cross section is 2-5mm * 8-20mm.Because the cross-section area of the air-cooled motorcycle engine cylinder head of the utility model hollow type stiffening rib is less, leaves the cavity between the sheet of radiator shutter and the sheet, therefore, is referred to as the hollow type stiffening rib.Leave between the sheet of the radiator shutter of this structure and the sheet cavity can in the motorcycle driving process, allow heat radiation distinguished and admirable from radiator shutter sheet and sheet between the unobstructed flow mistake, effectively take away heat, improved radiating efficiency.
Accompanying drawing 2 is the air-cooled motorcycle engine cylinder head of the utility model embodiment cylinder head exhaust side front elevational schematic, accompanying drawing 3 is the air-cooled motorcycle engine cylinder head of the utility model embodiment chain chamber side front elevational schematic, accompanying drawing 4 is the air-cooled motorcycle engine cylinder head of the utility model embodiment spark plug side front elevational schematic, accompanying drawing 5 is the air-cooled motorcycle engine cylinder head of the utility model embodiment cylinder head air inlet side front elevational schematic, among the figure, the 1st, be in the hollow type stiffening rib of radiator shutter edge, the 2nd, radiator shutter.As seen from the figure, the air-cooled motorcycle engine cylinder head of the utility model hollow type stiffening rib is when the extension size of radiator shutter increases gradually, the position that is provided with of hollow type stiffening rib is also moved outside the while, therefore, from each side, the setting that all is in the shape of the letter V of hollow type stiffening rib.This structure can increase the extension size of radiator shutter as much as possible, increases heat diffusion area, simultaneously, helps the elimination of blade trill.
Claims (3)
1. air-cooled motorcycle engine cylinder head is characterized in that: adopt the stacked radiator shutter of hollow type stiffening rib fixed bed, and the hollow type stiffening rib is according to the increase gradually of the extension size of radiator shutter and outward-dipping.
2. according to the described air-cooled motorcycle engine cylinder head of claim 1, it is characterized in that: adopt the stacked radiator shutter of hollow type stiffening rib fixed bed, comprise, edge at the layered laminate radiator shutter, the larger part of perhaps loading is provided with between sheet and sheet that radiator shutter that the hollow type stiffening rib makes layered laminate interconnects and fixing; Wherein, the value of the cross section length and width of described hollow type stiffening rib is 2-5mm * 8-20mm.
3. according to the described air-cooled motorcycle engine cylinder head of claim 1, it is characterized in that: the hollow type stiffening rib is according to the increase gradually of the extension size of radiator shutter and outward-dipping, comprise, when the extension size of radiator shutter increased gradually, the position that is provided with of hollow type stiffening rib was also moved outside the while.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020564163XU CN201818381U (en) | 2010-10-15 | 2010-10-15 | Engine cylinder head for wind-cooling motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020564163XU CN201818381U (en) | 2010-10-15 | 2010-10-15 | Engine cylinder head for wind-cooling motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818381U true CN201818381U (en) | 2011-05-04 |
Family
ID=43916340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020564163XU Expired - Fee Related CN201818381U (en) | 2010-10-15 | 2010-10-15 | Engine cylinder head for wind-cooling motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818381U (en) |
-
2010
- 2010-10-15 CN CN201020564163XU patent/CN201818381U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20171015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |