CN103009998B - Pedal-type two-wheel motorcycle - Google Patents
Pedal-type two-wheel motorcycle Download PDFInfo
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- CN103009998B CN103009998B CN201210308223.5A CN201210308223A CN103009998B CN 103009998 B CN103009998 B CN 103009998B CN 201210308223 A CN201210308223 A CN 201210308223A CN 103009998 B CN103009998 B CN 103009998B
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- teat
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Abstract
The invention provides a kind of pedal-type two-wheel motorcycle.In pedal-type two-wheel motorcycle, there is cooling air introducing port and the cap assembly covering cooling fan is bearing on crank case in the mode of the side, overall width direction being configured in crank case, a part for body cover is made up of the side edge part being connected with the pair of right and left also hung down in the left and right sides of pedal bottom plate downwards, with can easily formed automotive body cover and the mode that the rigidity of body cover can be avoided to reduce, cooling air be guided to efficiently the cooling air introducing port of cap assembly.At at least rear portion of the side edge part (24) of side, overall width direction, cooling air wind-guiding recess (90) is formed in the mode of side's depression in overall width direction, cooling air is guided to cap assembly (82) side by this cooling air wind-guiding recess (90), on the outside face of cap assembly (82), wind-guiding teat (91) is equipped with in the mode cooling air from cooling air wind-guiding recess (90) being guided to cooling air introducing port (83), this wind-guiding teat (91) at least has the fore-and-aft direction extended along the longitudinal direction on the extending direction at the rear of the rising wood (90a) to cooling air wind-guiding recess (90) and extends teat (92).
Description
Technical field
The present invention relates to pedal-type two-wheel motorcycle, wherein, power unit has driving engine and driving device, rotary power from the crank shaft supported in the mode that can rotate freely by the crank case of this driving engine is passed to trailing wheel by this driving device, this power unit is bearing on vehicle body frame in the mode that can swing, the cap assembly with the cooling air introducing port of outside side opening is bearing on above-mentioned crank case in the mode of the side, overall width direction being configured in above-mentioned crank case, cooling air is sucked into above-mentioned crank case side from above-mentioned cooling air introducing port by cooling fan, this cooling fan is with the mode covered by described cap assembly and described crank shaft interlock, link, by being configured in the pedal bottom plate in the front of above-mentioned power unit and being connected with in the left and right sides of this pedal bottom plate and the side edge part of the pair of right and left hung down downwards, form a part for the body cover covering above-mentioned vehicle body frame.
Background technology
Patent Document 1 discloses following structure: be configured with radiator in the side, overall width direction of the crank case of driving engine, the cap assembly with cooling air introducing port covers described radiator and is bearing on described crank case, cool to blow cooling air to radiator, hanging down downwards from pedal bottom plate and from the lower body cover of cap assembly described in outer side covers, be provided with the cooling air bullport for cooling air being guided to cooling air introducing port.
Patent documentation 1:WO2011/027446 handbook
Summary of the invention
But in structure disclosed in above-mentioned patent documentation 1, need to arrange cooling air bullport on lower body cover, the handling ease of lower body cover becomes complicated.If in addition in order to obtain a large amount of cooling airs by cooling air bullport ever-larger diameters, then also exist lower body cover around cooling air bullport rigidity reduce possibility.
The present invention makes in view of this situation, its object is to provide a kind of pedal-type two-wheel motorcycle, can easily formed automotive body cover and the rigidity of body cover can be avoided to reduce, and cooling air can be guided to efficiently the cooling air introducing port of cap assembly.
For achieving the above object, pedal-type two-wheel motorcycle of the present invention, power unit is bearing on vehicle body frame in the mode that can swing, this power unit has driving engine and the rotary power from the crank shaft supported in the mode rotated freely by the crank case of this driving engine is passed to the driving device of trailing wheel, the cap assembly with the cooling air introducing port of outside side opening is bearing on described crank case in the mode of the side, overall width direction being configured in described crank case, cooling air is sucked into described crank case side from described cooling air introducing port by cooling fan, this cooling fan is with the mode covered by described cap assembly and described crank shaft interlock, link, by being configured in the pedal bottom plate in the front of described power unit and being connected with in the left and right sides of this pedal bottom plate and a part for the body cover of the described vehicle body frame of side edge part formation covering of the pair of right and left hung down downwards, its fisrt feature is, on at least rear portion of the side edge part of the side, described overall width direction in edge, both sides, cooling air wind-guiding recess is formed in the mode caved in inside overall width direction, cooling air is guided to described cap assembly side by this cooling air wind-guiding recess, this cap assembly is configured with described cooling air introducing port at least partially at the rear of this side edge part, the wind-guiding teat be arranged in the mode protruding outside to overall width direction on the outside face of described cap assembly at least has the fore-and-aft direction extended along the longitudinal direction on the extending direction at the rear of the rising wood to described cooling air wind-guiding recess and extends teat, and, formed in the mode cooling air from described cooling air wind-guiding recess being guided to described cooling air introducing port.
In addition, the present invention is on the basis of the structure of fisrt feature, and its second feature is, all described cooling air introducing ports at the rear of the described side edge part of side, described overall width direction to configure in the face of outside mode.
The present invention first or second feature structure basis on, its third feature is, with the described cooling air wind-guiding recess tilted rearwardly and upwardly accordingly, described fore-and-aft direction extends teat and is also formed obliquely rearwardly and upwardly.
The present invention is on the basis of any one of the structure of first ~ third feature, its fourth feature is, at the described side edge part rear portion of side, described overall width direction, be integrally formed with the below extension extended compared with the lower end of described cap assembly when side-looking downwards.
The present invention is on the basis of any one of the structure of first ~ fourth feature, its fifth feature is, described wind-guiding teat has above-below direction and extends teat, and this above-below direction extends rear end that teat extends teat from described fore-and-aft direction in the wings compared with described cooling air introducing port and to extend downwards and outstanding from the outside face of described cap assembly.
The present invention is on the basis of the structure of fifth feature, its sixth feature is, described wind-guiding teat extends teat and described above-below direction by described fore-and-aft direction and extends teat and downside fore-and-aft direction and extend the roughly U-shaped that teat is configured to forwards open wide, wherein, described downside fore-and-aft direction extends teat to be given prominence to the outside face of the mode extended along front and back from described cap assembly in the below of described cooling air introducing port, and rearward end is connected with the bottom extending teat in described above-below direction, described fore-and-aft direction extends compared with front end that the front end of teat and described downside fore-and-aft direction extend teat and configures close to the rear end of the described side edge part of described overall width direction one example.
The present invention is on the basis of any one of the structure of first ~ sixth feature, and its seventh feature is, folding pillion steps extend teat when side-looking with described fore-and-aft direction compared with up so that from outside, the mode be overlapped on described cap assembly configures.
The present invention is on the basis of the structure of seventh feature, its eighth feature is, be configured at the second cooling air introducing port of top compared with extending teat with described fore-and-aft direction, the mode at least partially overlapping this second cooling air introducing port with the described pillion steps when side-looking from outside is arranged on described cap assembly.
The present invention is on the basis of any one of the structure of first ~ eighth feature, and its ninth feature is, described cap assembly is configured at side in overall width direction compared with the outer end, overall width direction of the described side edge part of side, described overall width direction when overlooking.
The present invention is on the basis of any one of the structure of first ~ ninth feature, its tenth feature is, on the extending direction at the rear of the rising wood to described cooling air wind-guiding recess and the described fore-and-aft direction extended along the longitudinal direction extends teat, formed in the mode increased from the overhang of the outside face of described cap assembly along with trend rear.
The present invention the 5th or sixth feature structure basis on, it the 11 is characterised in that, described above-below direction extends teat, is formed obliquely in the mode becoming anterior position along with trend from the jag of the outside face of described cap assembly.
The present invention is on the basis of any one of the structure of the first ~ the 11 feature, and it the 12 is characterised in that, between described cooling fan and described cap assembly, is configured with radiator in the mode covered by this cap assembly.
And, the present invention is on the basis of the structure of the 12 feature, it the 13 is characterised in that, there is the containment wall the shutter board be configured on described cooling air introducing port of being closed the front portion of described cooling air introducing port, be arranged on described cap assembly in the mode along with trend front close to described radiator.
The effect of invention
In accordance with a first feature of the invention, because the rear of the side edge part in side, overall width direction configures the cooling air introducing port of cap assembly at least partially, cooling air wind-guiding recess cooling air being guided to cap assembly side is formed at least rear portion of the side edge part of side, overall width direction, on the outside face of cap assembly, the wind-guiding teat at least with the fore-and-aft direction extension teat extended in the longitudinal direction is arranged in the mode protruding outside to overall width direction, therefore, can so that the cooling air from cooling air wind-guiding recess be guided to by wind-guiding teat the cooling air introducing port that cooling air to be guided to cap assembly by cooling air introducing port so simple structure efficiently, owing to not arranging cooling air bullport on body cover, therefore, can easily formed automotive body cover and the rigidity of body cover can be avoided to reduce.And, extend along front and back on the extending direction at the rear of the rising wood to cooling air wind-guiding recess because fore-and-aft direction extends teat, therefore, fore-and-aft direction more effectively can be utilized to extend teat and to bear cooling air from cooling air wind-guiding recess, therefore, become the appearance that can give side edge part and cap assembly continuous print impression in the longitudinal direction, dynamic outward appearance of deducing and commodity glamour also get a promotion.
In addition, according to second feature of the present invention, cooling air introducing port is not all to be covered also in the face of outside mode configures, therefore, it is possible to guarantee that cooling air introducing port not easily sucks the hot air from engine side by side edge part.
According to third feature of the present invention, be formed obliquely rearwardly and upwardly, therefore, it is possible to the traveling wind from front is guided to cooling air introducing port efficiently as cooling air because cooling air wind-guiding recess and fore-and-aft direction extend teat.
According to fourth feature of the present invention, the below extension being formed on the rear portion of the side edge part of side, overall width direction extends downwards compared with the lower end of cap assembly when side-looking, therefore, it is possible to cooling air is guided to cap assembly entirety from the side edge part in front.
According to fifth feature of the present invention, wind-guiding teat has the above-below direction extended in the wings and from the rear end that fore-and-aft direction extends teat compared with cooling air introducing port downwards and extends teat, therefore, teat can be extended by above-below direction to bear from the side edge part in the front of cap assembly towards rearward cooling air, more efficiently cooling air can be guided to cooling air introducing port.
According to sixth feature of the present invention, because wind-guiding teat extends teat by fore-and-aft direction, above-below direction extends teat and extends along front and back in the below of cooling air introducing port and extend with the downside fore-and-aft direction that the bottom that above-below direction extends teat is connected with the roughly U-shaped that teat is formed as forwards opening wide, therefore, the successional impression of the cooling air wind-guiding recess of wind-guiding teat and the side edge part strengthening cap assembly can be given, and, configure in the close mode being positioned at the rear end of the side edge part in the front of cap assembly compared with the front end that the front end of the fore-and-aft direction extension teat of top and downside fore-and-aft direction extend teat, therefore, easily the bottom from side edge part is guided to cooling air introducing port towards rearward traveling wind, efficiently cooling air can be guided to cooling air introducing port.
According to seventh feature of the present invention, folding pillion steps extend teat when side-looking with the fore-and-aft direction of top compared with up so that from outside, the mode overlapped on cap assembly configures, therefore, the fore-and-aft direction of top extends teat and can not be hidden by pillion steps, can guarantee aesthetic appearance, pillion steps can not hinder traveling wind to be taken into cooling air introducing port.
According to eighth feature of the present invention; the the second cooling air introducing port being configured in top compared with extending teat with fore-and-aft direction is arranged on cap assembly; therefore; the cooling air that can expand on cap assembly imports Probability Area; and due to when the going up at least partially in side-looking of the second cooling air introducing port pillion steps overlapping from outside; therefore, do not need to arrange special guard block, can effectively protect the second cooling air introducing port by pillion steps.
According to ninth feature of the present invention, cap assembly is configured in inside overall width direction compared with the outer end, overall width direction of the side edge part in the front of this cap assembly when overlooking, therefore, with consider that cap assembly to be configured in outside by traveling wind compared with situation from the outer end of the side edge part in its front to the importing of cooling air introducing port is compared, reduce the width along overall width direction of power unit, and cooling air can be taken into the cooling air introducing port of cap assembly.
According to tenth feature of the present invention, the fore-and-aft direction of top extends teat and is formed in the mode increasing the overhang of the outside face from cap assembly along with trend rear, therefore, easier cooling air is guided to cooling air introducing port.
According to the 11 feature of the present invention, the above-below direction born from the side edge part in the front of cap assembly towards rearward cooling air extends teat, tilt in the mode becoming anterior position along with the jag tended to from the outside face of cap assembly, therefore, teat can be extended by above-below direction and more effectively bear cooling air, more effectively cooling air can be guided to cooling air introducing port.
According to the 12 feature of the present invention, the heat sink arrangements covered by cap assembly, between cooling fan and cap assembly, therefore, it is possible to effectively cooled radiator by cooling air, is suitable for water-cooled driving engine.
And according to the 13 feature of the present invention; have the containment wall of the front portion of cooling air introducing port closedown close to the shutter board of above-mentioned radiator along with trend front and be arranged on cap assembly; therefore; radiator can be protected; in situation, the water of high hydraulic pressure directly touches radiator when can prevent carwash particularly by the containment wall of the front portion of the cap assembly be arranged on close to radiator etc., effectively can protect radiator.
Accompanying drawing explanation
Fig. 1 is the lateral plan of pedal-type two-wheel motorcycle.
Fig. 2 is the sectional elevation of power unit.
Fig. 3 is the main portion enlarged drawing of Fig. 1.
Fig. 4 is the 4-4 line cutaway view of Fig. 3.
Fig. 5 is the cross-sectional plan view of the relative configuration representing cap assembly and side edge part.
The explanation of Reference numeral
21... body cover
23... pedal bottom plate
24... side edge part
Extension below 24b...
82... cap assembly
83... cooling air introducing port
84... cooling fan
90... cooling air wind-guiding recess
The rising wood of 90a... cooling air wind-guiding recess
91... wind-guiding is given prominence to
92... upside fore-and-aft direction extends teat
On the upside of 92a..., fore-and-aft direction extends the front end of teat
93... above-below direction extends teat
94... downside fore-and-aft direction extends teat
On the downside of 94a..., fore-and-aft direction extends the front end of teat
98... pillion steps
99... shutter board
99b... containment wall
P... power unit
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 5, embodiments of the present invention are described.Wherein, in the following description, front and back, all directions that are upper and lower and left and right refer to the direction observed from the occupant taken on two-wheeled motor vehicle.
First in FIG, the vehicle body frame F of the two-wheeled motor vehicle of pedal-type has: the head tube 11 of its front end; Leading section is combined in the main car frame 12 in this head tube 11; Overall width direction extends and is located at the transverse tube 13 at the rear portion of above-mentioned main car frame 12; The Rear frame 14... of the pair of right and left that leading section is connected with the both ends of this transverse tube 13 respectively.
In above-mentioned head tube 11, so that the mode of steering the front fork 15 and shaft-like steering handle 16 that support front-wheel WF can be supported with.Above-mentioned main car frame 12 has integratedly from the above-mentioned head tube 11 lower vehicle frame portion 12a of inclined downward and vehicle frame portion, the end 12b that substantially horizontally rearward extends from the rear end of this lower vehicle frame portion 12a backward, and above-mentioned main car frame 12 is formed by single tube bending forming.In addition, above-mentioned Rear frame 14 have integratedly from above-mentioned transverse tube 13 tilt rearwardly and upwardly and extend upward erect vehicle frame portion 14a and from the upper end that this erects vehicle frame portion 14a to erect the mild angle of inclination of vehicle frame portion 14a tilt rearwardly and upwardly and the seat rail portion 14b rearward extended than this, above-mentioned Rear frame 14 is formed by single tube bending forming.
Namely erect on the bracket 101 of the bottom of vehicle frame portion 14a in the front portion being arranged at two Rear frame 14... on above-mentioned vehicle body frame F, one end is attached at the connecting rod 104 on the suspension part 102 of the lower front of the power unit P the being arranged at unit oscillating other end via axle 103 is linked via axle 105, above-mentioned power unit P can swingingly be bearing on vehicle body frame F in the mode that can swing up and down, and trailing wheel WR axle is bearing in the rear portion of this power unit P.In addition, between the rear portion of the seat rail portion 14b of the Rear frame 14 in the left side in the Rear frame 14... of pair of right and left and the rear portion of above-mentioned power unit P, rear vibration absorption unit 17 is provided with.
Be supported with containing box 18 between the front portion of two Rear frame 14... on vehicle body frame F, cover two human-like auto use chairs 19 of taking advantage of of this containing box 18 from top so that the mode of opening and closing the forward upper of above-mentioned containing box 18 can be bearing in.And, at the rear of containing box 18, to be configured with the Fuel Tank 20 supported by above-mentioned two Rear frame 14 by the above-mentioned mode taking advantage of auto use chair 19 to cover.
A part of above-mentioned vehicle body frame F, above-mentioned power unit P, above-mentioned containing box 18 and above-mentioned Fuel Tank 20 are covered by body cover 21, and a part for above-mentioned body cover 21 is made up of following part: from front to being sitting in the above-mentioned leg shield 22 taking advantage of the leg of the occupant auto use chair 19 to cover; Above-mentionedly take advantage of the occupant on auto use chair 19 to place foot for being sitting in and be connected with the bottom of above-mentioned leg shield 22 and be configured in the pedal bottom plate 23 in the front of above-mentioned power unit P; There is the side edge part 24... of the pair of right and left hung down from the both sides of this pedal bottom plate 23 and the lower shield 25 that vehicle frame portion, the end 12b to above-mentioned main car frame 12 covers from side and below downwards.
In fig. 2, above-mentioned power unit P is made up of the watercooled engine E of single cylinder of front side and the driving device M be folded between this driving engine E and above-mentioned trailing wheel WR being configured in above-mentioned trailing wheel WR.
The engine main body 29 of above-mentioned driving engine E has: be divided into by left and right the crank case 30 that two-part left and right crank case halfbody 30L, 30R be combined into; Be combined in the cylinder block 31 on this crank case 30; Be combined in the cylinder head 32 on this cylinder block 31; Be combined in the housing 33 on this cylinder head 32, piston 35 is entrenched in cylinder thorax 34 in the mode that can slide, and this cylinder thorax 34 has cylinder-bore axis that forward upward tilts slightly and is located in cylinder block 31.On above-mentioned crank case 30, be rotatably supported with the crank shaft 36 extended on the Width of vehicle body frame F, this crank shaft 36 is connected with above-mentioned piston 35.
The combustion chamber 37 at the top in the face of above-mentioned piston 35 is formed between cylinder block 31 and cylinder head 32, to control to the air inlet of this combustion chamber 37 air inlet valve (not shown) and control to carry out from the blow off valve (not shown) of the exhaust of above-mentioned combustion chamber 37 driving valve device 38 of driven for opening and closing, be housed between cylinder head 32 and housing 33, the camshaft 39 that this driving valve device 38 possesses is bearing on cylinder head 32 in the mode that can rotate around the axis parallel with above-mentioned crank shaft 36.
Timing driving device 42 is provided with between above-mentioned crank shaft 36 and above-mentioned camshaft 39, this timing driving device 42 comprises cam chain 41, this cam chain 41 to be formed in the scope of above-mentioned cylinder head 32 from above-mentioned crank case 30 in the cam chain room 40 on above-mentioned engine main body 29 mobile, by this timing transmission device 42, from crank shaft 36 power with 1/2 reduction ratio be passed to above-mentioned camshaft 39.
Above-mentioned driving device M has variable v-belt drive 43 and slows down to the output of this toric transmission 43 and be passed to the gear reduction 44 of the axletree 45 of trailing wheel WR, and variable v-belt drive 43 and gear reduction 44 are housed in and are connected with above-mentioned crank case 30 and in the transmission gearbox 46 extended to the left side side of trailing wheel WR.
Above-mentioned transmission gearbox 46 comprises: box main body 47, and itself and the left crank case halfbody 30L of crank case 30 are connected integratedly and rearward extend until the left side side of trailing wheel WR; Outside mask 48, forms the change-speed box room 50 of accommodating above-mentioned variable v-belt drive 43 between this outside mask 48 and above-mentioned box main body 47, and is combined from outside with this box main body 47; Inner side cover 49, covers between 49 and the rear portion of above-mentioned box main body 47 and form the gear chamber 51 of accommodating said gear speed reduction gearing 44, and the rear portion from inner side with this box main body 47 is combined inside this.
Variable v-belt drive 43 be arranged on charge into the above-mentioned crank shaft 36 in above-mentioned change-speed box room 50 left part and and axletree 45 interlock of above-mentioned trailing wheel WR, link transmission shaft 52 between mode be housed in above-mentioned change-speed box room 50, this variable v-belt drive 43 has: tape wrapping variable diameter and the driving pulley 53 be located on above-mentioned crank shaft 36; Be located at the driven pulley 54 on transmission shaft 52; Be wound on the V band 55 of the ring-type on driving pulley 53 and driven pulley 54.
Above-mentioned driving pulley 53 comprises: fixed pulley half 56, and it is fixed on crank shaft 36; Movable pulley half 57, its can close relative to fixed pulley half 56, be separated, be configured in crank case 30 side compared with fixed pulley half 56.
In addition, the lamp plate 58 relative with above-mentioned movable pulley half 57 from the opposition side of above-mentioned fixed pulley half 56 is fixed on above-mentioned crank shaft 36, is equipped with multiple counterweight roller 59... between this lamp plate 58 and above-mentioned movable pulley half 57.And, with the increase of the rotative speed of the above-mentioned lamp plate 58 together rotated with above-mentioned crank shaft 36 correspondingly, by acting on the centnifugal force on above-mentioned counterweight roller 59..., above-mentioned movable pulley half 57 is driven by the side pushing close to fixed pulley half 56, and the tape wrapping radius of driving pulley 53 becomes large.
In the outside mask 48 of above-mentioned transmission gearbox 46, be rotatably supported with pedal spindle 61, be provided with foot pedals 62 in the outer end of this pedal spindle 61.In addition outside mask 48 inner face side and between above-mentioned pedal spindle 61 and above-mentioned crank shaft 36, be provided with kick-type starter 63, this kick-type starter 63 can be passed to above-mentioned crank shaft 36 by the rotary power operating corresponding pedal spindle 61 of entering into of foot pedals 62.In addition, on the outside face of the fixed pulley half 56 of driving pulley 53, be equipped with multiple fin 64..., the plurality of fin 64 is for making the performance of above-mentioned fixed pulley half 56 as the function of the cooling fan making cooling air circulate in transmission gearbox 46.
Driven pulley 54 is made up of fixed pulley half 68 and movable pulley half 69, wherein, fixed pulley half 68 is fixed on cylindric inner core 66, and this inner core 66 is coaxially around above-mentioned transmission shaft 52 and can support relative to the mode of this transmission shaft 52 rotation; Movable pulley half 69 be fixed on can carry out relative to above-mentioned inner core 66 axial relative movement and to relatively rotate and coaxially around on the urceolus 67 of above-mentioned inner core 66, thus, can close relative to above-mentioned fixed pulley half 68, be separated, be wound with between fixed pulley half 68 and movable pulley half 69 V band 55.In addition, be arranged between above-mentioned inner core 66 and above-mentioned urceolus 67 according to the component of the relative rotation phase official post axis between movable pulley half 69 and the fixed pulley half 68 torque cam mechanism mechanism 70 acted between two pulley half 68,69, movable pulley half 69 is suppressed to fixed pulley half 68 side by coil spring 71, centrifugal clutch 72 is provided with between fixed pulley half 68 and transmission shaft 52, exceed setting speed along with engine speed, this centrifugal clutch 72 becomes power delivery status.
And the axially spaced-apart between the fixed pulley half 68 of driven pulley 54 and movable pulley half 69, is determined by following equilibrium of forces: the power of the axis produced by above-mentioned torque cam mechanism mechanism 70; The elastic force of the axis produced by coil spring 71; Act on the power from V band 55 in the septal direction that separates between fixed pulley half 68 and movable pulley half 69, if by making movable pulley half 57 make V be with the winding radius to driving pulley 53 of 55 to become large close to fixed pulley half 56 in driving pulley 53, then the winding radius to driven pulley 54 of V band 55 diminishes.
One end of the axletree 45 of trailing wheel WR, run through inner side cover 49 airtightly and charge in gear chamber 51, one end of this axletree 45 is rotatably bearing on box main body 47 and inner side cover 49, between above-mentioned transmission shaft 52 and above-mentioned axletree 45, be provided with gear reduction 44.In addition, the swing arm 73 that the crank case 30 of engine main body 29 is connected with is configured in the right side of trailing wheel WR, is rotatably supported with the other end of above-mentioned axletree 45 at the rear portion of this swing arm 73.
Said gear speed reduction gearing 44 has: driven wheel 74, and it is arranged on transmission shaft 52 integratedly, and this transmission shaft 52 transmits the rotary power from above-mentioned crank shaft 36; Ring gear 75, this ring gear 75 is arranged on the axletree 45 of above-mentioned trailing wheel WR; First and second intermediate gear 76,76, this first and second intermediate gear 76,76 is disposed between this ring gear 75 and above-mentioned driven wheel 74, on the counter gear shaft 108 that both ends are rotatably supported by above-mentioned box main body 47 and inner side cover 49, be provided with the first and second intermediate gear 76,76 regularly.
Rotatably run through above-mentioned crank case 30 right crank case halfbody 30R crank shaft 36 right-hand end on be fixed with external rotor 77, with the mode together being formed electrical generator 79 with this external rotor 77 by external rotor 77 around internal stator 78 be fixed on back plate 80, this back plate 80 is fastened on right crank case halfbody 30R.
Be on the right side of overall width direction in the side, overall width direction, present embodiment of above-mentioned crank case 30, be configured with the cap assembly 82 of the cooling air introducing port 83 with outside side opening, this cap assembly 82 is bearing on the right crank case halfbody 30R of above-mentioned crank case 30 via the guard shield 81 of the tubular of the above-mentioned electrical generator 79 of encirclement.In addition, the cooling fan 84 sucking cooling air from above-mentioned cooling air introducing port 83 to above-mentioned crank case 30 side is with the mode covered by above-mentioned cap assembly 83 and above-mentioned crank shaft 36 interlock, link.That is, cooling fan 84 is fixed on the right part of above-mentioned crank shaft 36 in the mode inside the overall width direction being positioned at above-mentioned cap assembly 82.
Between above-mentioned cooling fan 84 and above-mentioned cap assembly 82, be configured with radiator 85 in the mode covered by this cap assembly 82, this radiator 85 is supported by above-mentioned guard shield 81.
On the other hand, on the camshaft 39 with the driving valve device 38 be housed between cylinder head 32 and housing 33, the pump shaft 87 being arranged on the cooling water pump 86 on the right flank of above-mentioned cylinder head 32 links in the coaxial and mode that can not relatively rotate, and cooling water pump 86 is connected on above-mentioned radiator 85 via calorstat 88.
In the lump with reference to Fig. 3 ~ Fig. 5, above-mentioned cap assembly 82, with formed above-mentioned body cover 21 a part pair of right and left side edge part 24... in the rear of side edge part 24 of side, overall width direction (in present embodiment for overall width direction on the right side of) configure the mode at least partially of above-mentioned cooling air introducing port 83, be bearing on the right crank case halfbody 30R of above-mentioned crank case 30 via above-mentioned guard shield 81, in present embodiment, as shown in Fig. 3 and Fig. 5, above-mentioned cooling air introducing port 83 is all configured in the rear of the described side edge part 24 on right side, above-mentioned cap assembly 82 is configured in inside overall width direction when overlooking compared with the overall width direction outer end 24a of the above-mentioned side edge part 24 on right side.In addition, on the top of above-mentioned cap assembly 82, be provided with the cover portion 82a from outer side covers filler cap (not shown), this filler cap can be arranged on the filler neck (not shown) on the top of above-mentioned radiator 85 with installing and removing.
And, at at least rear portion of the side edge part 24 on above-mentioned right side, the cooling air wind-guiding recess 90 of cooling air is guided to be formed in the mode caved in inside overall width direction to above-mentioned cap assembly 82 side, the rear portion of the side edge part 24 on the right side of this, the below extension 24b extended downwards compared with the lower end of above-mentioned cap assembly 82 when being integrally formed with side-looking.And the bottom of below extension 24b is fastened on strut member 95 by screwed part 96, this strut member 95 is fixed on the vehicle frame portion that the erects 14a in the Rear frame 14 on the right side of vehicle body frame F.
On the outside face of above-mentioned cap assembly 82, wind-guiding teat 91 is provided with in the mode protruding outside to overall width direction, this wind-guiding teat 91 at least has the upside fore-and-aft direction extended along the longitudinal direction on the extending direction at the rear of the rising wood 90a to above-mentioned cooling air wind-guiding recess 90 and extends teat 92, and is formed in the mode guided to above-mentioned cooling air introducing port 83 by the cooling air from above-mentioned cooling air wind-guiding recess 90.And accordingly, upside fore-and-aft direction extends teat 92 and is also formed obliquely rearwardly and upwardly for upside fore-and-aft direction extension teat 92 and the above-mentioned cooling air wind-guiding recess 90 tilted rearwardly and upwardly.
Above-mentioned wind-guiding teat 91 extends teat 92 by above-mentioned upside fore-and-aft direction, above-below direction extends teat 93, downside fore-and-aft direction extends the roughly U-shaped that teat 94 is configured to forwards open wide, wherein, above-below direction extends rear end that teat 93 extends teat 92 from upside fore-and-aft direction in the wings compared with above-mentioned cooling air introducing port 83 and to extend downwards and outstanding from the outside face of above-mentioned cap assembly 82, downside fore-and-aft direction extends teat 94 to be given prominence to and the bottom that rearward end and above-mentioned above-below direction extend teat 93 is connected with from the outside face of above-mentioned cap assembly 82 in the mode extended along front and back in the below of above-mentioned cooling air introducing port 83, above-mentioned upside fore-and-aft direction extends compared with front end 94a that the front end 92a of teat 92 and above-mentioned downside fore-and-aft direction extend teat 94 and configures close to the rear end of the above-mentioned side edge part 24 on right side.
As expressed in Fig. 5, above-mentioned upside fore-and-aft direction extends teat 92 to be formed from the mode that the outstanding quantitative change of the outside face of above-mentioned cap assembly 82 is large along with trend rear, above-mentioned above-below direction extends teat 93, is formed obliquely in the mode becoming anterior position along with the jag tended to from the outside face of above-mentioned cap assembly 82.
As shown in Figure 3, on hearing support 97 fixing on the vehicle frame portion that the erects 14a of the Rear frame 14 on the right side of vehicle body frame F, be supported with folding pillion steps 98, this pillion steps 98 extend teat 92 with upside fore-and-aft direction compared with configure in the mode overlapped from outside on above-mentioned cap assembly 82 up.
And, on above-mentioned cap assembly 82, be configured in the second cooling air introducing port 106 of top compared with extending teat 92 with upside fore-and-aft direction, with its at least partially (in present embodiment for a part) upper in side-looking time overlappingly from outside have the mode of above-mentioned pillion steps 98 to arrange.
On above-mentioned cap assembly 82, the wing plate 99a... with multiple upper downward-extension and the containment wall 99b that closed the front portion of above-mentioned cooling air introducing port 83 shutter board 99 be configured on above-mentioned cooling air introducing port 83, so that along with trend front, mode close to above-mentioned radiator 85 is arranged.
Below the effect of present embodiment is described, there is the cap assembly 82 of the cooling air introducing port 83 of outside side opening, the rear of the side edge part 24 on the right side of the overall width direction in the side edge part 24... of the pair of right and left of a part for formation body cover 21, be bearing on the crank case 30 of driving engine E in the mode at least partially configuring cooling air introducing port 83, from cooling air introducing port 83, cooling air is sucked the cooling fan 84 of above-mentioned crank case 30 side with the mode covered by cap assembly 82 and crank shaft 36 interlock, link, but, at at least rear portion of the above-mentioned side edge part 24 on right side, cooling air is guided to the cooling air wind-guiding recess 90 of above-mentioned cap assembly 82 side, formed in the mode caved in inside overall width direction, on the outside face of cap assembly 82, the wind-guiding teat 91 arranged in the mode protruding outside to overall width direction at least has the upside fore-and-aft direction extended along the longitudinal direction on the extending direction at the rear of the rising wood 90a to above-mentioned cooling air wind-guiding recess 90 and extends teat 92, and formed in the mode cooling air from cooling air wind-guiding recess 90 being guided to cooling air introducing port 83.
Therefore, can so that the cooling air from cooling air wind-guiding recess 90 be guided to by wind-guiding teat 91 the cooling air introducing port 83 that cooling air is guided to cap assembly 82 by cooling air introducing port 83 so simple structure efficiently, body cover 21 does not arrange cooling air bullport, therefore, can easily formed automotive body cover 21, and the rigidity of body cover 21 can be avoided to reduce.And, upside fore-and-aft direction extends teat 92 and extends along front and back on the extending direction at the rear of the rising wood 90a to cooling air wind-guiding recess 90, therefore, teat 92 can be extended more effectively by upside fore-and-aft direction and bear cooling air from cooling air wind-guiding recess 90, therefore, becoming can to the appearance of people's side edge part 24 and cap assembly 82 continuous print impression in the longitudinal direction, and dynamic outward appearance of deducing and commodity glamour also get a promotion.
In addition, because whole cooling air introducing port 83 configures in the mode of the rear of the above-mentioned side edge part 24 on right side in the face of outside, do not configured by the mode of side edge part 24 mulched ground in the face of outside with whole cooling air introducing port 83, therefore, it is possible to guarantee that cooling air introducing port 83 not easily sucks the hot air from driving engine E side.
In addition, due to the cooling air wind-guiding recess 90 tilted rearwardly and upwardly accordingly, above-mentioned upside fore-and-aft direction extends teat 92 and is also formed obliquely rearwardly and upwardly, therefore, it is possible to the traveling wind from front is guided to cooling air introducing port 83 efficiently as cooling air.
In addition, at the rear portion of the above-mentioned side edge part 24 on right side, be integrally formed with the below extension 24b extended compared with the lower end of cap assembly 82 when side-looking downwards, therefore, it is possible to cooling air is guided to the entirety of cap assembly 82 from the side edge part 24 in front.
In addition, wind-guiding teat 91 to have compared with cooling air introducing port 83 rear end extending teat 92 from upside fore-and-aft direction in the wings and extends downwards and extend teat 93 from the above-below direction that the outside face of cap assembly 82 is outstanding, therefore, teat 93 can be extended by above-below direction to bear from the side edge part 24 in the front of cap assembly 82 towards rearward cooling air, more efficiently cooling air can be guided to cooling air introducing port 83.
In addition, wind-guiding teat 91 extends teat 92 by upside fore-and-aft direction and above-below direction extends teat 93, and to extend along front and back in the below of cooling air introducing port 83 and to give prominence to and the downside fore-and-aft direction that the bottom that rearward end and above-below direction extend teat 93 is connected with extends teat 94 is configured to the unlimited roughly U-shaped in front from the outside face of cap assembly 82, therefore, the wind-guiding teat 91 and the successional impression of the cooling air wind-guiding recess 90 of side edge part 24 that strengthen cap assembly 82 can be given, and, upside fore-and-aft direction extends compared with the front end 94a that the front end 92a of teat 92 and downside fore-and-aft direction extend teat 94, close to be positioned at cap assembly 82 front side edge part 24 rear end be configured, therefore, easily the bottom from side edge part 24 is guided to cooling air introducing port 83 towards rearward traveling wind, efficiently cooling air can be guided to cooling air introducing port 83.
In addition, folding pillion steps 98 is when side-looking, configure in the mode overlapped from outside on above-mentioned cap assembly 82 up compared with extending teat 92 with upside fore-and-aft direction, therefore, upside fore-and-aft direction extends teat 92 and can not be hidden by pillion steps 98, can guarantee appearance design, pillion steps 98 can not hinder traveling wind being taken into cooling air introducing port 83.
In addition; the the second cooling air introducing port 106 being configured in top compared with extending teat 92 with upside fore-and-aft direction is arranged on cap assembly 82; therefore; the cooling air that can expand on cap assembly 82 imports Probability Area; and owing to having pillion steps 98 when the going up at least partially in side-looking of the second cooling air introducing port 106 from outside overlap; therefore, do not need to arrange special guard block, can effectively protect the second cooling air introducing port 106 by pillion steps 98.
In addition, cap assembly 82 is configured in inside overall width direction compared with the outer end, overall width direction 24 of the side edge part 24 on right side when overlooking, therefore, with the importing considered to the traveling wind of cooling air introducing port 83 and cap assembly 82 is configured in compared with the outer end of the side edge part 24 in its front outside situation compare, reduce the width along overall width direction of power unit P, and cooling air can be taken into the cooling air introducing port 83 of cap assembly 82.
In addition, upside fore-and-aft direction extends teat 92 and is formed in the mode increased from the overhang of the outside face of above-mentioned cap assembly 82 along with trend rear, therefore, easier cooling air is guided to cooling air introducing port 83, above-below direction extends teat 93 and is formed obliquely in the mode becoming anterior position along with the jag tended to from the outside face of above-mentioned cap assembly 82, therefore, teat 93 can be extended by above-below direction and more effectively bear cooling air, cooling air more effectively can be guided to cooling air introducing port 83.
In addition, between cooling fan 84 and cap assembly 82, be configured with radiator 85 in the mode covered by cap assembly 82, therefore, it is possible to effectively cooled radiator 85 by cooling air, be applicable to being applied to water-cooled driving engine E.
And; there is the containment wall 99b the shutter board 99 being configured at cooling air introducing port 83 that close the front portion cooling phoenix introducing port 83; be arranged on cap assembly 82 in the mode along with trend front close to above-mentioned radiator 85; therefore; radiator 85 can be protected; especially, in situation, the water of high hydraulic pressure directly touches radiator 85 when can prevent carwash by the containment wall 99b of the front portion being arranged on the cap assembly 82 close to radiator 85 etc., can effectively protect radiator 85.
Above, embodiments of the present invention are illustrated, but the invention is not restricted to above-mentioned embodiment, various design modification can be carried out not departing from the scope of the present invention recorded in claims.
Such as, in above-mentioned embodiment, be that water-cooled situation is illustrated to driving engine E, but the present invention can also be applicable to the pedal-type two-wheel motorcycle that driving engine is air-cooled type.
Claims (13)
1. a pedal-type two-wheel motorcycle, power unit (P) is bearing on vehicle body frame (F) in the mode that can swing, this power unit (P) has driving engine (E) and the rotary power from the crank shaft (36) supported in the mode rotated freely by the crank case of this driving engine (E) (30) is passed to the driving device (M) of trailing wheel (WR), the cap assembly (82) with the cooling air introducing port (83) of outside side opening is bearing on described crank case (30) in the mode of the side, overall width direction being configured in described crank case (30), cooling air is sucked into described crank case (30) side from described cooling air introducing port (83) by cooling fan (84), this cooling fan (84) is with the mode covered by described cap assembly (82) and described crank shaft (36) interlock, link, by being configured in the pedal bottom plate (23) in the front of described power unit (P) and being connected with in the left and right sides of this pedal bottom plate (23) and a part for the body cover (21) of the side edge part (24) the formation described vehicle body frame of covering (F) of the pair of right and left hung down downwards, it is characterized in that, on at least rear portion of the side edge part (24) of the side, described overall width direction in edge, both sides (24), cooling air wind-guiding recess (90) is formed in the mode caved in inside overall width direction, cooling air is guided to described cap assembly (82) side by this cooling air wind-guiding recess (90), this cap assembly (82) is configured with described cooling air introducing port (83) at least partially at the rear of this side edge part (24), the wind-guiding teat (91) be arranged in the mode protruding outside to overall width direction on the outside face of described cap assembly (82) at least has the fore-and-aft direction extended along the longitudinal direction on the extending direction at the rear of the rising wood (90a) to described cooling air wind-guiding recess (90) and extends teat (92), and, formed in the mode cooling air from described cooling air wind-guiding recess (90) being guided to described cooling air introducing port (83).
2. pedal-type two-wheel motorcycle as claimed in claim 1, is characterized in that, all described cooling air introducing ports (83) at the rear of the described side edge part (24) of side, described overall width direction to configure in the face of outside mode.
3. pedal-type two-wheel motorcycle as claimed in claim 1 or 2, it is characterized in that, with the described cooling air wind-guiding recess (90) tilted rearwardly and upwardly accordingly, described fore-and-aft direction extends teat (92) and is also formed obliquely rearwardly and upwardly.
4. pedal-type two-wheel motorcycle as claimed in claim 1, it is characterized in that, at described side edge part (24) rear portion of side, described overall width direction, be integrally formed with the below extension (24b) extended compared with the lower end of described cap assembly (82) when side-looking downwards.
5. pedal-type two-wheel motorcycle as claimed in claim 1, it is characterized in that, described wind-guiding teat (91) has above-below direction and extends teat (93), and this above-below direction extends rear end that teat (93) extends teat (92) from described fore-and-aft direction in the wings with described cooling air introducing port (83) compared with and to extend downwards and outstanding from the outside face of described cap assembly (82).
6. pedal-type two-wheel motorcycle as claimed in claim 5, it is characterized in that, described wind-guiding teat (91) extends teat (92) and described above-below direction by described fore-and-aft direction and extends the roughly U-shaped that teat (93) and downside fore-and-aft direction extension teat (94) be configured to forwards open wide, wherein, described downside fore-and-aft direction extends teat (94) to be given prominence to the outside face of the mode extended along front and back from described cap assembly (82) in the below of described cooling air introducing port (83), and rearward end is connected with the bottom extending teat (93) in described above-below direction, configure close to the rear end of the described side edge part (24) of side, described overall width direction compared with the front end (94a) that the front end (92a) of described fore-and-aft direction extension teat (92) and described downside fore-and-aft direction extend teat (94).
7. pedal-type two-wheel motorcycle as claimed in claim 1, it is characterized in that, folding pillion steps (98) extends with described fore-and-aft direction when side-looking compared with teat (92) and configures in the mode be overlapped in from outside on described cap assembly (82) up.
8. pedal-type two-wheel motorcycle as claimed in claim 7, it is characterized in that, be configured at the second cooling air introducing port (106) of top compared with extending teat (92) with described fore-and-aft direction, the mode at least partially overlapping this second cooling air introducing port (106) with the described pillion steps (98) when side-looking from outside is arranged on described cap assembly (82).
9. pedal-type two-wheel motorcycle as claimed in claim 1, is characterized in that,
Described cap assembly (82) is configured at side in overall width direction compared with the outer end, overall width direction (24a) of the described side edge part (24) of side, described overall width direction when overlooking.
10. pedal-type two-wheel motorcycle as claimed in claim 1, it is characterized in that, on the extending direction at the rear of the rising wood (90a) to described cooling air wind-guiding recess (90) and the described fore-and-aft direction extended along the longitudinal direction extends teat (92), formed in the mode increased from the overhang of the outside face of described cap assembly (82) along with trend rear.
11. pedal-type two-wheel motorcycles as described in claim 5 or 6, it is characterized in that, described above-below direction extends teat (93), is formed obliquely in the mode becoming anterior position along with the jag tended to from the outside face of described cap assembly (82).
12. pedal-type two-wheel motorcycles as claimed in claim 1, it is characterized in that, between described cooling fan (84) and described cap assembly (82), be configured with radiator (85) in the mode covered by this cap assembly (82).
13. pedal-type two-wheel motorcycles as claimed in claim 12, it is characterized in that, there is the containment wall (99b) the shutter board (99) be configured on described cooling air introducing port (83) of being closed the front portion of described cooling air introducing port (83), be arranged on described cap assembly (82) in the mode along with trend front close to described radiator (85).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011208317A JP5703183B2 (en) | 2011-09-25 | 2011-09-25 | Scooter type motorcycle |
| JP2011-208317 | 2011-09-25 |
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| Publication Number | Publication Date |
|---|---|
| CN103009998A CN103009998A (en) | 2013-04-03 |
| CN103009998B true CN103009998B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210308223.5A Active CN103009998B (en) | 2011-09-25 | 2012-08-24 | Pedal-type two-wheel motorcycle |
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| JP (1) | JP5703183B2 (en) |
| CN (1) | CN103009998B (en) |
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| JP6754490B2 (en) * | 2017-03-31 | 2020-09-09 | 本田技研工業株式会社 | Vehicle power unit |
| JP6915072B2 (en) | 2017-09-29 | 2021-08-04 | 本田技研工業株式会社 | Battery layout and saddle-mounted vehicle |
| WO2020066877A1 (en) * | 2018-09-25 | 2020-04-02 | 本田技研工業株式会社 | Power unit for straddle-type vehicles |
| JP2020131839A (en) * | 2019-02-15 | 2020-08-31 | 本田技研工業株式会社 | Intake duct structure of vehicle |
| JP6997141B2 (en) * | 2019-07-19 | 2022-01-17 | 本田技研工業株式会社 | Saddle-type vehicle |
| JP2022066070A (en) | 2020-10-16 | 2022-04-28 | ヤマハ発動機株式会社 | Saddle-riding type vehicle |
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| DE3434861A1 (en) * | 1984-09-22 | 1986-04-03 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Air-cooled internal combustion engine with air baffle plate arranged in the air flow |
| CN2274693Y (en) * | 1996-06-12 | 1998-02-18 | 光阳工业股份有限公司 | Motorcycle cooling fan cover with air diversion |
| CN2515098Y (en) * | 2001-08-26 | 2002-10-09 | 赵义章 | Motorcycle with strong air-cooled engine |
| JP2004116375A (en) * | 2002-09-25 | 2004-04-15 | Yamaha Motor Co Ltd | Sound insulation structure of forced air cooling engine for motorcycle |
| WO2011027446A1 (en) * | 2009-09-03 | 2011-03-10 | 本田技研工業株式会社 | Cooling structure for radiator for water-cooled power unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3696508B2 (en) * | 2000-12-28 | 2005-09-21 | 本田技研工業株式会社 | Radiator device for vehicle |
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2011
- 2011-09-25 JP JP2011208317A patent/JP5703183B2/en active Active
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- 2012-08-24 CN CN201210308223.5A patent/CN103009998B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3434861A1 (en) * | 1984-09-22 | 1986-04-03 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Air-cooled internal combustion engine with air baffle plate arranged in the air flow |
| CN2274693Y (en) * | 1996-06-12 | 1998-02-18 | 光阳工业股份有限公司 | Motorcycle cooling fan cover with air diversion |
| CN2515098Y (en) * | 2001-08-26 | 2002-10-09 | 赵义章 | Motorcycle with strong air-cooled engine |
| JP2004116375A (en) * | 2002-09-25 | 2004-04-15 | Yamaha Motor Co Ltd | Sound insulation structure of forced air cooling engine for motorcycle |
| WO2011027446A1 (en) * | 2009-09-03 | 2011-03-10 | 本田技研工業株式会社 | Cooling structure for radiator for water-cooled power unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5703183B2 (en) | 2015-04-15 |
| JP2013067304A (en) | 2013-04-18 |
| CN103009998A (en) | 2013-04-03 |
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