CN201116490Y - Vertical motorcycle engine with forcible air-cooled structure - Google Patents
Vertical motorcycle engine with forcible air-cooled structure Download PDFInfo
- Publication number
- CN201116490Y CN201116490Y CNU2007201250851U CN200720125085U CN201116490Y CN 201116490 Y CN201116490 Y CN 201116490Y CN U2007201250851 U CNU2007201250851 U CN U2007201250851U CN 200720125085 U CN200720125085 U CN 200720125085U CN 201116490 Y CN201116490 Y CN 201116490Y
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- engine
- oil
- fan
- cooling
- motorcycle engine
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Abstract
The utility model discloses a vertical motorcycle engine with a forced air-cooled structure. A cooling fan located outside a right crankcase cover is fixed on a right crankshaft through a fan holder, and a dome installed on an engine body covers the cooling fan, a cylinder body and a cylinder head cover inside. In the utility model, oil ducts on the right side of the engine are adjusted to the side of a left crankshaft, specific oil dusts after adjustment are: from an oil pump to a right case oil duct to a left case oil duct to an oil fine filter to a left cover to a left crankshaft to a shaft bearing at the large end of a connecting rod. The vertical motorcycle engine is low in cost, can realize long-term operation of the engine basically without maintenance, and has perfect cooling effect. The vertical motorcycle engine is adaptable to engines of various tricycles, two-wheel vehicles, beach vehicles and the like, and can effectively reduce affection of vehicle speed on heat load of the engine.
Description
Technical field
The utility model relates to a kind of vertical motorcycle engine, specifically refers to a kind of vertical motorcycle engine with the forced air cooling structure.
Background technique
Good cooling is most important to motorcycle engine.Usually motorcycle engine has water-cooled and air-cooled two kinds of types of cooling, and air-cooled have forced air cooling and natural air cooled respectively.The forced air cooling motorcycle engine safeguards that owing to having simple, engine cooling effect is subjected to the car load speed of a motor vehicle to influence features of smaller, is subjected to everybody common concern in recent years.But forced air cold engine mainly still is used for the pedal motorcycle motor at present, and the vehicle of other kinds (comprising motor tricycle, beach buggy) is also considerably less with the forced air cooling structure, mainly still is water-cooled or natural air cooled.
Though the water cooled engine cooling effect is pretty good, water cooled engine cost height, and need often to safeguard.Though and natural air cooled motor cost is lower, cooling effect is not very good, and often heat load is higher.Therefore, if can when adopting the forced air cooling structure, cost be lowered, will be a booming scheme.But because the difference of engine structure, forced air cooling structure on the pedal motorcycle motor can not be grafted directly to other vehicle, this is because the pedal motorcycle motor is a horizontal type structure, and the motor of other kind vehicles is vertical, horizontal engine and vertical engine are not only on internal structure, still all have bigger difference on moulded, the forced air cooling structure does not have interchangeability between the two.Motor tricycle particularly because the performance characteristic of itself, turns round under the lower situation of the car load speed of a motor vehicle through the high rotating speed of the motor of being everlasting, and this working method causes engine heat load high more a lot of than common non-load-carrying vehicle.The method that now present most of car load factory solves above-mentioned heat load problem also is to adopt water cooled engine, realizes the heat radiation purpose thereby by flowing of water heat taken away.Because cost reason, maintenance issues, water cooling are not a desirable scheme.In view of the foregoing, on vertical motorcycle engine, adopt forced air cooling structure simple in structure, with low cost, easy to maintenance just to become the problem that those skilled in the art attempt to solve.
The model utility content
At existing vertical motorcycle engine water-cooled and natural air cooled above shortcomings, the purpose of this utility model provides a kind of vertical motorcycle engine of band forced air cooling structure simple in structure, with low cost, easy to maintenance.
The purpose of this utility model is achieved in that the vertical motorcycle engine of band forced air cooling structure, comprise cylinder body, cylinder head, magnetogenerator, left bent axle, left crankcase lid, right bent axle and right crankcase cover, it is characterized in that: it also comprises cooling fan, fan retainer and air guide sleeve, cooling fan is positioned at outside the right crankcase cover and by the fan retainer and is fixed on the right bent axle, and air guide sleeve is installed on the engine body and with cooling fan, cylinder body, cylinder head and covers in it.
The concrete mounting structure of cooling fan is: described fan retainer one end enters right crankcase cover and right bent axle is fixed, and the other end has disc structure, and cooling fan is installed on the disk of fan retainer.
Because cooling fan is installed in the right crankshaft side of motor, its crankshaft lubrication oil duct just in time is positioned at right crankshaft side, in order not produce the hidden danger of seepage oil after fan is installed, this programme is all adjusted to left crankshaft side with the oil circuit on motor right side, and the oil filter that will be installed in originally on the right bent axle is alternative with external filter thin oil, and lubricating oil path is communicated with oil pump by right case oil duct, left box body oil duct, filter thin oil, left crankcase lid oil duct and left crankshaft oil gallery successively with big end bearing.
Described cylinder surface is provided with special-shaped radiating fin, cylinder head inside be provided with make cooling air from spark plug one side enter, from the air channel that air inlet side and exhaust side blow out, strengthened the cooling effect of cylinder body, cylinder head thus.
Compared to existing technology, the utlity model has following beneficial effect:
1, simple in structure, except oil circuit was changed, most of component of available prior art did not need that motor is done very big change and can realize forced air cooling;
2, cost is more much lower than water cooled engine, and effect is more obvious than natural air cooled;
3, do not need maintenance can realize the steady running of engine long time substantially.
The utility model has solved natural air cooled motorcycle engine heat load problem of higher, and principle is simple, and cooling effect is better, is applicable to motors such as various tricycle, two-wheel vehicle, beach buggy, can effectively reduce the influence of the car load speed of a motor vehicle to engine heat load.
Description of drawings
Fig. 1-the utility model structural representation;
Fig. 2-the utility model crank assemblby structure diagram;
Fig. 3-the utility model fan retainer structural representation;
Fig. 4-the utility model housing structure sketch;
Fig. 5-the utility model cylinder head structure diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Referring to Fig. 1, vertical motorcycle engine of the present utility model comprises cylinder body 1, cylinder head 2, magnetogenerator 3, left box body, left bent axle 4, left crankcase lid 5, right case, right bent axle 6, right crankcase cover 7 and clutch 12, and magnetogenerator 3 is positioned at left crankcase lid 5.The vertical motorcycle engine of the utility model realizes that the key of forced air cooling is the installation of cooling fan 8 and air guide sleeve 10, and the wind guiding structure design of cylinder head 2, cylinder body 1.
After being installed, cooling fan can reach the identical cooling effect of foot plate bicycle horizontal engine, promptly can make cooling air directly cool off spark plug 17 and the hot one side (this face is faced upright with the cylinder body oil back chamber) of cylinder body 1, the utility model is installed in cooling fan 8 right bent axle 6 sides of motor.But vertical motorcycle engine comprises CG series, CB Engine Series etc., its crankshaft lubrication oil duct just in time is positioned at right crankshaft side, in order not produce the hidden danger of seepage oil after fan is installed, the utility model is all adjusted to left crankshaft side with the oil circuit on motor right side, and the oil filter that will be installed in originally on the right bent axle substitutes with external filter thin oil 11.The concrete oil circuit that adjustment back machine oil enters connecting rod tip is: oil pump → right case oil duct → left box body oil duct → filter thin oil 11 → left crankcase lid 5 → left bent axle 4 → connecting rod 13 big-end bearings, see Fig. 1, arrow is represented the oil circuit direction among Fig. 1, and filter thin oil 11 covers the oil duct of newly establishing on 5 by oil pipe 18 and left crankcase and is communicated with.Right bent axle 6 becomes solid shaft after the oil circuit adjustment, is specifically designed to the installation cooling fan, and left bent axle 4 has additional oil duct and covers 5 oil ducts and connecting rod 13 big ends with left crankcase respectively and communicate, and sees Fig. 2.The installation that above-mentioned oil circuit is adjusted into cooling fan 8 provides convenience, also gets ready for the proper functioning of motor.
Referring to Fig. 1, as can be seen, except cooling fan 8, the utility model is also newly-increased fan retainer 9 and air guide sleeve 10 from the figure.Forced air cooling of the present utility model relates generally to two-part improvement: one, the installation of cooling fan 8 and air guide sleeve 10; Two, the wind guiding structure of cylinder head 2, cylinder body 1 design.
1, the installation of cooling fan 8 and air guide sleeve 10: the utility model has designed the mountion plate of fan retainer 9 as cooling fan 8, and the structure of fan retainer 9 is seen Fig. 3.See Fig. 1, fan retainer 9 one ends cover 7 outsides from engine right crankcase and penetrate, and fan retainer 9 inboard splines are cooperated with right bent axle 6 external spliness, and fan retainer 9 is fixed on the right bent axle 6 by clamping bolt 14 again.Fan retainer 9 the other ends (promptly being positioned at the part outside the right crankcase cover 7) have disc structure, cooling fan 8 is fixedly mounted on the disk 19 of fan retainer by four bolts 15, turns round thereby make the power of bent axle transmit out with drive fan by the fan retainer.
2, the wind guiding structure of cylinder head 2, cylinder body 1 design: thus cylinder body 1 adopts special-shaped radiating fin 16 that cooling air can be flowed along cylinder body 1 surface longitudinal, has strengthened the cooling effect of cylinder body 1, sees Fig. 4; The structure that cylinder head 2 adopts with inner air channel makes cooling air enter the back from spark plug 17 1 sides and blows out from air inlet side and exhaust side, has strengthened the cooling effect of cylinder head 2, sees Fig. 5, and arrow is represented the flow direction of cooling air among Fig. 5.
The utility model can effectively reduce the influence of the car load speed of a motor vehicle to engine heat load, but vehicles such as widespread usage and tricycle, two-wheel vehicle, and cost is cheap and do not need to safeguard and can realize the steady running of engine long time than water cooled engine.
Claims (5)
1, the vertical motorcycle engine of band forced air cooling structure, comprise cylinder body (1), cylinder head (2), magnetogenerator (3), left bent axle (4), left crankcase lid (5), right bent axle (6) and right crankcase cover (7), it is characterized in that: it also comprises cooling fan (8), fan retainer (9) and air guide sleeve (10), cooling fan (8) is positioned at outside the right crankcase cover (7) and is fixed on the right bent axle (6) by fan retainer (9), and air guide sleeve (10) is installed on the engine body and with cooling fan (8), cylinder body (1), cylinder head (2) and covers in it.
2, the vertical motorcycle engine of band forced air cooling structure according to claim 1, it is characterized in that: it is fixing with right bent axle (6) that described fan retainer (9) one ends enter right crankcase cover (7), the other end has disc structure, and cooling fan (8) is installed on the disk (19) of fan retainer (9).
3, the vertical motorcycle engine of band forced air cooling structure according to claim 1 and 2, it is characterized in that: it also comprises external filter thin oil (11), and lubricating oil path is communicated with oil pump by right case oil duct, left box body oil duct, filter thin oil (11), left crankcase lid oil duct and left crankshaft oil gallery successively with connecting rod (13) big-end bearing.
4, the vertical motorcycle engine of band forced air cooling structure according to claim 1 and 2, it is characterized in that: described cylinder body (1) surface is provided with special-shaped radiating fin (16), cylinder head (2) inside be provided with make cooling air from spark plug (17) one sides enter, from air channel that air inlet side and exhaust side blow out.
5, the vertical motorcycle engine of band forced air cooling structure according to claim 3, it is characterized in that: described cylinder body (1) surface is provided with special-shaped radiating fin (16), cylinder head (2) inside be provided with make cooling air from spark plug (17) one sides enter, from air channel that air inlet side and exhaust side blow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201250851U CN201116490Y (en) | 2007-08-30 | 2007-08-30 | Vertical motorcycle engine with forcible air-cooled structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201250851U CN201116490Y (en) | 2007-08-30 | 2007-08-30 | Vertical motorcycle engine with forcible air-cooled structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201116490Y true CN201116490Y (en) | 2008-09-17 |
Family
ID=39991063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201250851U Expired - Fee Related CN201116490Y (en) | 2007-08-30 | 2007-08-30 | Vertical motorcycle engine with forcible air-cooled structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201116490Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704203A (en) * | 2017-02-22 | 2017-05-24 | 邢台捷龙航科机械科技有限公司 | Waterproof portable high-lift universal water pump of forced cooling volute cavity pump |
| CN113175371A (en) * | 2021-03-26 | 2021-07-27 | 重庆鼎工机电有限公司 | Silent diesel engine capable of realizing miniaturization and lightweight |
-
2007
- 2007-08-30 CN CNU2007201250851U patent/CN201116490Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704203A (en) * | 2017-02-22 | 2017-05-24 | 邢台捷龙航科机械科技有限公司 | Waterproof portable high-lift universal water pump of forced cooling volute cavity pump |
| CN106704203B (en) * | 2017-02-22 | 2022-08-09 | 邢台捷龙航科机械科技有限公司 | Waterproof portable high-lift universal water pump of forced air cooling volute cavity pump |
| CN113175371A (en) * | 2021-03-26 | 2021-07-27 | 重庆鼎工机电有限公司 | Silent diesel engine capable of realizing miniaturization and lightweight |
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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: 20080917 Termination date: 20160830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |