CN201255043Y - Cylinder head for general purpose petrol engine - Google Patents
Cylinder head for general purpose petrol engine Download PDFInfo
- Publication number
- CN201255043Y CN201255043Y CNU2008200998111U CN200820099811U CN201255043Y CN 201255043 Y CN201255043 Y CN 201255043Y CN U2008200998111 U CNU2008200998111 U CN U2008200998111U CN 200820099811 U CN200820099811 U CN 200820099811U CN 201255043 Y CN201255043 Y CN 201255043Y
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- wind
- head body
- valve mounting
- mounting holes
- 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 relates to a cylinder head of a universal gasoline engine, comprising a cylinder head body; a first air duct which is arranged on the cylinder head body in the arrangement direction of two valve installation holes; and the cylinder head body is also provided with a second air duct which is arranged between the two valve installation holes and is communicated with the first air duct. When in use, wind generated by the fan impeller of the universal gasoline engine forcibly passes through the first air duct and the second air duct and takes away plenty of heat inside the cylinder head body, thus excellently promoting the dissipation of the heat of the cylinder head and improving the heat-dissipation and cooling effect of the cylinder head.
Description
Technical field
The utility model relates to the cylinder head of general gasoline engines.
Background technique
The cylinder head of general gasoline engines is one of vitals of general gasoline engines, offer firing chamber, intake duct and air outlet flue on it, and two valve mounting holes and two rocking arm mounting holes, be provided with radiating fin in four sides of cylinder head, to increase the heat diffusion area of cylinder head.But, in the course of the work, the radiating effect of general gasoline engines cylinder head is poorer than the radiating effect of motorcycle engine cylinder head, this be since motorcycle engine in when work, motorcycle is to be in travelling state, the wind that produces in travelling will promote distributing of cylinder head heat, make the cylinder head of motorcycle engine have better radiating effect.But, not to be in high-speed motion state when working owing to the dynamic power machine that disposes general gasoline engines, the heat radiation of its cylinder head does not possess the heat dissipation environment of motorcycle engine cylinder head.The heat radiation of the cylinder head of general gasoline engines cooling is the air channel by the common formation of wind scooper that is installed in the motor periphery and wind deflector institute, the wind that blast fan is produced flows through by force that radiating fin on four sides of cylinder head realizes, so under such heat dissipation environment, the heat radiation cooling effect of cylinder head is not good.
The model utility content
The purpose of this utility model provides a kind of cylinder head of general gasoline engines, under the existing heat dissipation environment of cylinder head, can promote distributing of cylinder head heat better, improves the heat radiation cooling effect of cylinder head.
The cylinder head of general gasoline engines described in the utility model, comprise the cylinder head body, on the cylinder head body, offer firing chamber, two valve mounting holes and two rocking arm mounting holes, two valve mounting holes arranged direction offers the first wind-guiding road in cylinder head body upper edge, pass its cylinder head body between valve mounting hole and rocking arm mounting hole, and cylinder head is connected; On the cylinder head body, also offer the second wind-guiding road, it is between two valve mounting holes, and be communicated with the first wind-guiding road, second opening of wind-guiding road on the cylinder head side is positioned at parallel with two valve mounting hole arranged direction, and on the nearest cylinder head side of two valve mounting holes of distance.
Offering of the first wind-guiding road and the second wind-guiding road makes the solid section of cylinder head body become cavity shape, and is positioned at the top of firing chamber.General gasoline engines is in when work, and the wind that blast fan produces affacts on the cylinder head radiating fin by force by the common air channel that forms of wind scooper and wind deflector institute, passes through in the first wind-guiding road that the while also offers from the cylinder head body by force and the second wind-guiding road.
The utility model is owing to offer the first wind-guiding road and the second wind-guiding road in the cylinder head body, the wind that blast fan produces is by force from wherein passing through, can take away a large amount of heat of cylinder head body interior, thereby promoted distributing of cylinder head heat well, improved the heat radiation cooling effect of cylinder head.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described in further detail.
Fig. 1 is the schematic top plan view of the cylinder head of general gasoline engines described in the utility model;
Fig. 2 is the sectional view of A-A line among Fig. 1;
Fig. 3 is that B among Fig. 2 is to view.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the cylinder head of this general gasoline engines comprises the cylinder head body, offers firing chamber 8, two valve mounting holes 1 and two rocking arm mounting holes 3 on the cylinder head body.Two valve mounting hole 1 arranged direction (being the line direction at two valve mounting hole centers among Fig. 1) offer the first wind-guiding road 2 in cylinder head body upper edge, pass its cylinder head body between valve mounting hole 1 and rocking arm mounting hole 3, and cylinder head connected, thereby on two sides 4,5 of the cylinder head vertical, form two openings in the first wind-guiding road 2 with two valve mounting hole 1 arranged direction.On the cylinder head body, also offer the second wind-guiding road 6, it is between two valve mounting holes 1, and be communicated with the first wind-guiding road 2, second opening of wind-guiding road 6 on the cylinder head side is positioned at parallel with two valve mounting hole 1 arranged direction, and on the nearest cylinder head side 7 of two valve mounting holes of distance 1.
Claims (1)
1, a kind of cylinder head of general gasoline engines, comprise the cylinder head body, on the cylinder head body, offer firing chamber (8), two valve mounting holes (1) and two rocking arm mounting holes (3), it is characterized in that: offer the first wind-guiding road (2) in cylinder head body upper edge two valve mounting holes arranged direction, pass its cylinder head body between valve mounting hole and rocking arm mounting hole, and cylinder head is connected; On the cylinder head body, also offer the second wind-guiding road (6), it is between two valve mounting holes, and be communicated with the first wind-guiding road, second opening of wind-guiding road on the cylinder head side is positioned at parallel with two valve mounting hole arranged direction, and on the nearest cylinder head side (7) of two valve mounting holes of distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200998111U CN201255043Y (en) | 2008-08-27 | 2008-08-27 | Cylinder head for general purpose petrol engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200998111U CN201255043Y (en) | 2008-08-27 | 2008-08-27 | Cylinder head for general purpose petrol engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201255043Y true CN201255043Y (en) | 2009-06-10 |
Family
ID=40738359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200998111U Expired - Fee Related CN201255043Y (en) | 2008-08-27 | 2008-08-27 | Cylinder head for general purpose petrol engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201255043Y (en) |
-
2008
- 2008-08-27 CN CNU2008200998111U patent/CN201255043Y/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: 20090610 Termination date: 20160827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |