CN103321732A - Cooling device for forcedly air-cooled engine - Google Patents
Cooling device for forcedly air-cooled engine Download PDFInfo
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- CN103321732A CN103321732A CN2013102430118A CN201310243011A CN103321732A CN 103321732 A CN103321732 A CN 103321732A CN 2013102430118 A CN2013102430118 A CN 2013102430118A CN 201310243011 A CN201310243011 A CN 201310243011A CN 103321732 A CN103321732 A CN 103321732A
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Abstract
The invention relates to a cooling device for a forcedly air-cooled engine. On the basis of naturally air-cooled engines, a guiding cover is arranged on the periphery of an engine cylinder head, an air gathering cover is disposed at the front end of the guiding cover, ventilation gaps are reserved between the guiding cover and the engine cylinder head, natural wind is gathered into directional wind to cool the engine cylinder head, and an electric fan for increasing the wind speed is arranged at the front or back end of the air gathering cover, so that the mobility of air around the engine cylinder head is accelerated, and the cooling effect of the engine cylinder head is improved.
Description
Technical field
The present invention relates to a kind of motorcycle cooling device for blower cooled engine, especially relate to the but motorcycle engine of mode of a kind of forced air cooling.
Background technique
At present, the main cause that affects the motorcycle engine life-span is the temperature of motor, and heat load is low frequency that each parts locally of motorcycle engine is born and the overall merit of high-cycle fatigue, is to affect the important parameter that can motorcycle engine normally be moved.Motorcycle engine is under nominal situation, should be at the temperature upper limit of controlling with interior running, otherwise each part and machine oil can not keep original quality characteristic, and motor is broken down very soon, such as piston and piston ring cracking, piston and cylinder top burn to death, the result such as piston top burns.In order to guarantee normal working of engine, must adopt the effective type of cooling.That the motorcycle engine type of cooling commonly used has is natural air cooled, water-cooled and oil cooling.The working principle of the various types of cooling is as follows:
Natural air cooled mode motor is the radiating fin that adopts the setting of cylinder block radial outer periphery and cylinder block one, by natural wind and extraneous heat radiation, in the situation that engine long time service, because its radiating effect is limited, be easy to make the engine cylinder state that reaches a high temperature, thereby engine power is descended.
The water-cooling pattern motor mainly contains two kinds: a kind of is circulating water cooling system, it mainly be with cooling water injected gas outer wall of cylinder block that arrange with the water cavity cylinder block one in, and need establish in addition water tank and secondary water tank, by pump and the pipeline circulatory system water is flowed between water cavity, water tank and secondary water tank, take the temperature in the engine cylinder out of water tank and secondary water tank by water, utilize the fan of forced air cooling that the water in water tank or the secondary water tank is blown heat radiation, thereby motorcycle engine is cooled off.This circulating cooling mode complex structure, cost is higher, and each parts easily damages.Another kind is boiling type water-cooled engine, Chinese patent discloses a kind of " boiling water-cooled engine for motor tricycle ", notification number: 200420074728.0, it mainly is at the atmospheric water tank of cylinder block radial outer periphery setting with the cylinder block one, and need establish in addition a secondary water tank, because under the normal operation, temperature in the cylinder block is more than 200 degrees centigrade, become water vapour behind the water of the heat transferred water tank of cylinder block, take heat out of secondary water tank by the water pipe that links to each other with secondary water tank, this type of cooling is simple in structure, and cost is low, easy-maintaining.But, because the evaporation of the water in the water tank is very fast, constantly close the water yield in the water injecting tank, in order to avoid lack of water causes the damage of motor; And when temperature is low, easily icing with the atmospheric water tank of cylinder block one, freezing cylinder body.No matter be the motor of which kind of water-cooling pattern, all can't solve at present and under exsiccosis, will inevitably cause piston, cylinder body Yin Gaowen and damage the problem of freezing cylinder body under the low-temperature condition.
Working principle and the circulating water cooling system of oil cooling mode motor are basic identical, difference be its conduction heat medium be oil, although it has avoided circulating water cooling system low temperature to freeze, the defective of freezing cylinder body, but its complex structure, cost is higher, and each parts holds flimsy defective and still can't avoid.
Regardless of the motor of which kind of type of cooling, all exist the defective of himself.Simultaneously, for ease of ventilation and heat, available engine exposes outside usually, because its high temperature, there is certain potential safety hazard in human body once touching can be burned.In the at present thermodynamic development of motorcycle, engine-cooling system still is the problem of many producers and R﹠D institution's research, needs more various type of cooling in the industry, and cheaper one-tenth satisfied the demand of different conditions originally.
Summary of the invention
The object of the present invention is to provide a kind of forced air cold engine cooling unit, on the basis of natural air cooled mode motor, by in natural air cooled engine cylinder head periphery air guide sleeve being set, the air guide sleeve front end is established wind gathering cover, leave the mode of ventilation gap between air guide sleeve and the cylinder head, realize natural wind is pooled the wind of flow direction property, accelerate the flowability of engine cylinder head surrounding atmosphere, engine cylinder head is dispelled the heat, thereby improved radiating effect.Reach simple in structure, reliable, the purpose of reduction cost.
The present invention for achieving the above object, by the following technical solutions: forced air cold engine cooling unit of the present invention mainly comprises wind gathering cover, air guide sleeve, engine cylinder head.Described air guide sleeve is fixed on the periphery of engine cylinder head, and air guide sleeve encloses engine cylinder head three bread, the excessively wind passage of aspect before and after forming, be provided with wind gathering cover at described air guide sleeve front end, wind gathering cover is for increasing air quantity, and wind gathering cover and air guide sleeve are fastenedly connected, and forms the excessively wind passage of integrated.
Above-mentioned forced air cold engine cooling unit, described air guide sleeve both sides are provided with the side air admission mouth, increase to greatest extent the engine cylinder head ambient air and flow.
Above-mentioned forced air cold engine cooling unit, described wind gathering cover front end or rear end are provided with the electric fan that increases wind speed.
The invention has the beneficial effects as follows: adopt wind gathering cover and air guide sleeve natural wind to be pooled the mode that flows to wind, described air guide sleeve is fixed on the periphery of engine cylinder head, engine cylinder head was in the wind passage, because the air quantity of crossing in the wind passage is relatively large, wind speed is relatively very fast, thereby improve the heat dissipating capacity of engine cylinder head, not only realized better heat dissipation effect, and, engine cylinder head is with the air guide sleeve protection outward, avoided scalding because of the careless touching of human body, human body has been caused unnecessary injury.Be provided with the electric fan that increases wind speed between wind gathering cover and air guide sleeve, the engine cylinder head ambient air flowed faster, heat radiation is better, reaches desirable radiating effect.The both sides of air guide sleeve are provided with the side air admission mouth, improve to a greater extent the flowability of engine cylinder head surrounding atmosphere, guarantee radiating effect.
In sum, the present invention cools off on the basis of system at former air cooling engine natural wind, accelerate to a greater extent flowing of engine cylinder head surrounding atmosphere, improve radiating effect, namely avoided natural wind cooling system in the poor problem of engine long time service radiating effect, overcome again constituent and oil cooling system complex structure, the cost effect is high, the problem of maintenance difficult.More effectively solved original technology to the dependence of mechanical part and artificial monitoring.Simple in structure, reliable, reduce and use and maintenance cost, greatly improve the operational efficiency of motorcycle engine.Simultaneously, available engine exposes outside usually for ease of ventilation and heat, because its high temperature, there is certain potential safety hazard in human body once touching can be burned.Air guide sleeve of the present invention namely plays the water conservancy diversion wind direction, plays again protective action, avoids human body is caused unnecessary injury.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on to investigating hereinafter, will be apparent to those skilled in the art, perhaps can be instructed from the practice of the present invention.Target of the present invention and other advantages can be passed through following specification, claims, and the specifically noted structure realizes and obtains in the accompanying drawing.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is plan view of the present invention
Fig. 2 is the left view of Fig. 1
Fig. 3 is the A-A sectional view among Fig. 2
Mark among the figure: 1-wind gathering cover 2-air guide sleeve 4-electric fan 5-engine cylinder head 6-side air admission mouth
Embodiment
Embodiment 1: as shown in Figure 1, a kind of forced air cold engine cooling unit, comprise wind gathering cover 1, air guide sleeve 2, engine cylinder head 5, the outer air guide sleeve 2 that is arranged with of described engine cylinder head 5, the front end of air guide sleeve 2 is provided with wind gathering cover 1, and air guide sleeve 2 encloses engine cylinder head 5 three bread, and wind gathering cover 1 and air guide sleeve 2 are fastenedly connected the air channel that forms integrated, leave ventilation gap between air guide sleeve 2 and the engine cylinder head 5, air guide sleeve 2 both sides are provided with side air admission mouth 6.
Embodiment 2: such as Fig. 2, shown in Figure 3, and a kind of forced air cold engine cooling unit, described wind gathering cover 1 front end or rear end are provided with the electric fan 4 that increases wind speed.
Embodiment 3: as shown in Figure 3, a kind of forced air cold engine cooling unit, described engine cylinder head 5 front ends are provided with electric fan 4.
In the Vehicle Driving Cycle process, wind gathering cover 1 converges natural wind, by electric fan 4 wind speed is improved, by in engine cylinder head 5 peripheries air guide sleeve 2 being set, the wind that natural wind is pooled flow direction property dispels the heat to engine cylinder head 5, leave ventilation gap between air guide sleeve 2 and the engine cylinder head 5, and then it is faster that engine cylinder head 5 ambient airs are flowed, thereby improved radiating effect.Air guide sleeve 2 both sides are provided with side air admission mouth 6, increase to a greater extent engine cylinder head 5 excessively air quantity on every side, increase radiating effect.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, other modifications that those of ordinary skills make technological scheme of the present invention or be equal to replacement, only otherwise break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1. forced air cold engine cooling unit, comprise wind gathering cover (1), air guide sleeve (2), engine cylinder head (5), it is characterized in that: the outer air guide sleeve (2) that is arranged with of described engine cylinder head (5), the front end of air guide sleeve (2) is provided with wind gathering cover (1), air guide sleeve (2) encloses engine cylinder head (5) three bread, wind gathering cover (1) and air guide sleeve (2) are fastenedly connected the air channel that forms integrated, leave ventilation gap between air guide sleeve (2) and the engine cylinder head (5).
2. forced air cold engine cooling unit according to claim 1, it is characterized in that: described air guide sleeve (2) both sides are provided with side air admission mouth (6).
3. forced air cold engine cooling unit according to claim 1, it is characterized in that: described wind gathering cover (1) front end or rear end are provided with electric fan (4).
4. forced air cold engine cooling unit according to claim 3, it is characterized in that: described engine cylinder head (5) front end is provided with electric fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102430118A CN103321732A (en) | 2013-06-08 | 2013-06-08 | Cooling device for forcedly air-cooled engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102430118A CN103321732A (en) | 2013-06-08 | 2013-06-08 | Cooling device for forcedly air-cooled engine |
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| Publication Number | Publication Date |
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| CN103321732A true CN103321732A (en) | 2013-09-25 |
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| CN2013102430118A Pending CN103321732A (en) | 2013-06-08 | 2013-06-08 | Cooling device for forcedly air-cooled engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143409A (en) * | 2017-07-03 | 2017-09-08 | 重庆隆鑫发动机有限公司 | Wind gathering plate and its installation constitution |
| CN108167058A (en) * | 2017-12-25 | 2018-06-15 | 河南隆鑫机车有限公司 | The method for promoting engine radiating effect |
| CN108868998A (en) * | 2018-07-28 | 2018-11-23 | 重庆隆鑫机车有限公司 | Fan shroud, cooling system and its motorcycle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10119099A1 (en) * | 2000-05-11 | 2001-11-22 | Suzuki Motor Co | System for supplying secondary air in a motorcycle's exhaust system on a forced-ventilated engine includes a secondary air conduction valve on the exhaust side while encasing a cylinder head with a wind-cooler cover. |
| CN2613606Y (en) * | 2003-03-27 | 2004-04-28 | 重庆宗申技术开发研究有限公司 | Engine cylinder head with cooling air channel for motorcycle |
| US20060222530A1 (en) * | 2004-12-20 | 2006-10-05 | Shao-Shih Huang | Compressor |
| JP2007177676A (en) * | 2005-12-27 | 2007-07-12 | Honda Motor Co Ltd | Air-cooled internal combustion engine equipped with sensor which detects engine state |
| CN102953795A (en) * | 2011-08-22 | 2013-03-06 | 本田技研工业株式会社 | Forced air cooling type combustion motor |
| CN203296899U (en) * | 2013-06-13 | 2013-11-20 | 河南隆鑫机车有限公司 | Forced air cooling engine cooling device |
-
2013
- 2013-06-08 CN CN2013102430118A patent/CN103321732A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10119099A1 (en) * | 2000-05-11 | 2001-11-22 | Suzuki Motor Co | System for supplying secondary air in a motorcycle's exhaust system on a forced-ventilated engine includes a secondary air conduction valve on the exhaust side while encasing a cylinder head with a wind-cooler cover. |
| CN2613606Y (en) * | 2003-03-27 | 2004-04-28 | 重庆宗申技术开发研究有限公司 | Engine cylinder head with cooling air channel for motorcycle |
| US20060222530A1 (en) * | 2004-12-20 | 2006-10-05 | Shao-Shih Huang | Compressor |
| JP2007177676A (en) * | 2005-12-27 | 2007-07-12 | Honda Motor Co Ltd | Air-cooled internal combustion engine equipped with sensor which detects engine state |
| CN102953795A (en) * | 2011-08-22 | 2013-03-06 | 本田技研工业株式会社 | Forced air cooling type combustion motor |
| CN203296899U (en) * | 2013-06-13 | 2013-11-20 | 河南隆鑫机车有限公司 | Forced air cooling engine cooling device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143409A (en) * | 2017-07-03 | 2017-09-08 | 重庆隆鑫发动机有限公司 | Wind gathering plate and its installation constitution |
| CN108167058A (en) * | 2017-12-25 | 2018-06-15 | 河南隆鑫机车有限公司 | The method for promoting engine radiating effect |
| CN108868998A (en) * | 2018-07-28 | 2018-11-23 | 重庆隆鑫机车有限公司 | Fan shroud, cooling system and its motorcycle |
| CN108868998B (en) * | 2018-07-28 | 2024-03-29 | 重庆隆鑫机车有限公司 | Fan shield, cooling system and motorcycle |
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Application publication date: 20130925 |