CN215370011U - Motorcycle air-cooled engine cooling device - Google Patents
Motorcycle air-cooled engine cooling device Download PDFInfo
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- CN215370011U CN215370011U CN202121468616.3U CN202121468616U CN215370011U CN 215370011 U CN215370011 U CN 215370011U CN 202121468616 U CN202121468616 U CN 202121468616U CN 215370011 U CN215370011 U CN 215370011U
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- turbofan
- cylinder head
- bottom plate
- arc
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Abstract
The utility model discloses a motorcycle air-cooled engine cooling device, which is characterized in that an integrated fan cover is arranged on a frame above the front side of an engine cylinder head through a bracket, a turbofan is assembled in the integrated fan cover, an inclined plate of the integrated fan cover is favorable for natural air to enter, and a strip-shaped gap is formed between a pair of turbofan mounting cavities and directly reaches the engine cylinder head to cool the engine cylinder head; meanwhile, the improved structure is favorable for realizing the water resistance, dust resistance and silt resistance of the fan, and provides protection for the turbofan.
Description
Technical Field
The utility model relates to a motorcycle air-cooled engine cooling device, and belongs to the technical field of vehicle engine cooling.
Background
The working cycle of the motorcycle engine is carried out at high temperature, and the highest temperature in the cylinder when combustible mixed gas is combusted can reach more than 2000 ℃. The high temperature gas and the friction heat generated by the motion friction of the moving parts of the engine can cause the temperature of parts such as a cylinder body, a cylinder cover, a piston, an exhaust system and the like to rise rapidly, the high temperature is easy to cause thermal deformation, the mechanical strength of the parts of the engine is reduced, and the normal fit clearance is changed due to overlarge expansion, so that the abrasion of the engine is accelerated and the engine failure is caused.
In order to cool the engine, it is common to provide a fan directly in front of the engine. Because the fan is preposed, the fan shields the engine, the windward area of the engine cylinder head is reduced, the air flow speed and flow on the surface of the engine cylinder head are reduced, the cooling effect is not ideal, and the problems of low engine power, incapability of driving vehicles, abnormal combustion, engine oil deterioration and abnormal ignition system of the engine due to high temperature of the engine are caused.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the motorcycle air-cooled engine cooling device which can reduce the shielding of the engine cylinder head, enhance the air flow speed on the surface of the engine cylinder head, improve the cooling effect on the engine and ensure the normal work of the engine.
In order to achieve the purpose, the technical scheme adopted by the utility model is that the cooling device for the air-cooled engine of the motorcycle comprises a turbofan and an integrated fan cover, wherein the integrated fan cover is arranged on a frame above the front side of an engine cylinder head through a bracket;
the integrated fan cover comprises a bottom plate and an inclined plate, the inclined plate is connected to one side of the bottom plate along the length direction of the bottom plate, a pair of turbofan installation cavities are oppositely arranged at two ends of the bottom plate and the inclined plate in the length direction, each installation cavity comprises a side plate, an upper arc-shaped plate and a middle support plate, the lower end of each side plate is connected with the bottom plate, the inner side of the upper end of each side plate is connected with the side face of the corresponding arc-shaped plate, one end of each arc-shaped plate is connected with the inclined plate, and a cold air channel is formed by a gap between the other end of each arc-shaped plate and the bottom plate; the upper end of the supporting plate is connected with the arc-shaped plate, the lower end of the supporting plate is connected with the bottom plate, the middle part of the supporting plate is provided with an assembling through hole matched with the turbofan, and two sides of the assembling through hole are provided with fixing lug plates;
a strip-shaped gap between the pair of turbofan mounting cavities forms a natural wind channel which is directly communicated with the engine cylinder head.
Furthermore, the slope of swash plate be 30 ~ 40 degrees.
Further, the outlet of the natural wind channel is directly opposite to the engine cylinder head.
According to the utility model, the integrated fan cover is arranged on the frame above the front side of the engine cylinder head through the bracket, the turbofan is assembled in the integrated fan cover, the inclined plate of the integrated fan cover is favorable for natural air to enter, and a strip-shaped gap is formed between the pair of turbofan installation cavities to reach the engine cylinder head and cool the engine cylinder head; meanwhile, the improved structure is favorable for realizing the water resistance, dust resistance and silt resistance of the fan, and provides protection for the turbofan.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the integrated fan guard of the present invention.
In the figure: 1. turbofan, 2, integrated fan cover, 3, engine cylinder head, 4, frame, 5, bottom plate, 6, swash plate, 7, installation cavity, 8, curb plate, 9, arc, 10, backup pad, 11, cold wind passageway, 12, assembly through-hole, 13, fixed otic placode, 14, natural wind passageway.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 and 2, the cooling device for the air-cooled engine of the motorcycle comprises a turbofan 1 and an integrated fan cover 2, wherein the integrated fan cover 2 is arranged on a frame 4 above the front side of an engine cylinder head 3 through a bracket, and the turbofan 1 is assembled in the integrated fan cover 2;
the integrated fan cover 2 comprises a bottom plate 5 and an inclined plate 6, the inclined plate 6 is connected to one side of the bottom plate 5 along the length direction of the bottom plate 5, a pair of turbofan installation cavities 7 are oppositely arranged at two ends of the bottom plate 5 in the length direction between the bottom plate 5 and the inclined plate 6, each installation cavity 7 comprises a side plate 8, an upper arc-shaped plate 9 and a middle support plate 10, the lower end of each side plate 8 is connected with the bottom plate 5, the inner side of the upper end of each side plate is connected with the side face of the corresponding arc-shaped plate 9, one end of each arc-shaped plate 9 is connected with the inclined plate 6, and a cold air channel 11 is formed by a gap between the other end of each arc-shaped plate 9 and the bottom plate 5; the upper end of the supporting plate 10 is connected with the arc-shaped plate 9, the lower end of the supporting plate is connected with the bottom plate 5, the middle part of the supporting plate 10 is provided with an assembling through hole 12 matched with the turbofan 1, and two sides of the assembling through hole 12 are provided with fixing lug plates 13;
the strip-shaped gap between the pair of turbofan mounting cavities 7 forms a natural wind channel 14 up to the engine cylinder head.
Preferably, the gradient of the inclined plate 6 is 30-40 degrees.
Preferably, the natural wind channel 14 is directed to the engine head 3.
In the use process, the two turbofan are arranged above the front of the engine cylinder head, so that natural wind on the windward side is blown to the engine, strong wind generated by the turbofan is additionally blown to the radiating fins on the surface of the engine cylinder head directly, the air flow speed on the surface of the engine cylinder head is accelerated, and the heat dissipation of the engine is accelerated; the integrated fan cover support does not block the head-on natural wind to cool the engine cylinder head, and the integrated cover can protect electronic elements of the eddy fan, and the fan cover realizes the effects of water resistance, dust resistance and silt resistance by applying the design of the directions of the air inlets and the air outlets of the fan cover and the angle design of the head-on inclined plane, thereby comprehensively realizing the protection function of the eddy fan.
Claims (3)
1. A cooling device for an air-cooled engine of a motorcycle is characterized by comprising a turbofan and an integrated fan cover, wherein the integrated fan cover is arranged on a frame above the front side of an engine cylinder head through a bracket;
the integrated fan cover comprises a bottom plate and an inclined plate, the inclined plate is connected to one side of the bottom plate along the length direction of the bottom plate, a pair of turbofan installation cavities are oppositely arranged at two ends of the bottom plate and the inclined plate in the length direction, each installation cavity comprises a side plate, an upper arc-shaped plate and a middle support plate, the lower end of each side plate is connected with the bottom plate, the inner side of the upper end of each side plate is connected with the side face of the corresponding arc-shaped plate, one end of each arc-shaped plate is connected with the inclined plate, and a cold air channel is formed by a gap between the other end of each arc-shaped plate and the bottom plate; the upper end of the supporting plate is connected with the arc-shaped plate, the lower end of the supporting plate is connected with the bottom plate, the middle part of the supporting plate is provided with an assembling through hole matched with the turbofan, and two sides of the assembling through hole are provided with fixing lug plates;
a strip-shaped gap between the pair of turbofan mounting cavities forms a natural wind channel which is directly communicated with the engine cylinder head.
2. A motorcycle air-cooled engine cooling device as set forth in claim 1, wherein the inclination of the swash plate is 30 to 40 degrees.
3. A motorcycle air-cooled engine cooling device as claimed in claim 1 or 2, wherein the natural wind channel outlet is directed towards the engine cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468616.3U CN215370011U (en) | 2021-06-30 | 2021-06-30 | Motorcycle air-cooled engine cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121468616.3U CN215370011U (en) | 2021-06-30 | 2021-06-30 | Motorcycle air-cooled engine cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215370011U true CN215370011U (en) | 2021-12-31 |
Family
ID=79606189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121468616.3U Active CN215370011U (en) | 2021-06-30 | 2021-06-30 | Motorcycle air-cooled engine cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215370011U (en) |
-
2021
- 2021-06-30 CN CN202121468616.3U patent/CN215370011U/en active Active
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