CN102001383A - Protection cover of an engine shell for a straddle type vehicle - Google Patents
Protection cover of an engine shell for a straddle type vehicle Download PDFInfo
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- CN102001383A CN102001383A CN 201010250029 CN201010250029A CN102001383A CN 102001383 A CN102001383 A CN 102001383A CN 201010250029 CN201010250029 CN 201010250029 CN 201010250029 A CN201010250029 A CN 201010250029A CN 102001383 A CN102001383 A CN 102001383A
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- engine shell
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Abstract
The invention provides a protection cover of an engine shell for a straddle type vehicle, capable of preventing the foot of the occupant from being affected by such as vibration and heat of the engine shell and increasing the under-foot comfortability, improving the operationality of a foot brake and having no influence on the radiation of the engine shell. The protection cover (81,88) of the engine shell for the straddle type vehicle comprises: one engine shell (33b) arranged below a seat (9) and used for housing a crankshaft (35) of an internal-combustion engine (18) or a speed changer (33); a pedal arranged in the projection area along the vehicle width direction of the engine shell and for playing the shoe (90a) when the occupant sits on the seat, wherein at least one part of a bloating surface (80) of the engine shell along the vehicle width direction is nearer to the upper part than the pedal and the protection cover covers the bloating surface along the vehicle width direction and at least one part (80a) not be covered by the protection cover is arranged between the bloating surface along the vehicle width direction and the pedal, viewed from the vehicle width direction.
Description
Technical field
The present invention relates to the protective case of the engine shell that Straddle-type vehicle uses.
Background technology
In the power unit that Straddle-type vehicle is used; the pedal of placement occupant's pin is set in place the engine shell side in power unit mostly; following structure is for example disclosed in patent documentation 1: with the bent axle of combustion engine in the power unit that the Straddle-type vehicle of overall width direction configuration is used; pedal is set at the side that the overall width direction that is positioned at engine shell bloats face, bloats the protective case that configuration on the face is used to protect occupant's pin in the whole overall width direction of engine shell.
But, under the situation of above-mentioned Straddle-type vehicle,, protective case bloats on the face because being configured in the whole overall width direction of engine shell with the protective case of engine shell, so, exist engine shell to maximize the situation of underfooting traveling comfort difference.
In addition, because protective case covers whole, so also there is problem on the aesthetic feeling of the problem of thermal diffusivity and outward appearance.
In addition, in this manual, so-called " engine shell " refers generally to become the housing of the structural member of the power unit that Straddle-type vehicle uses, and comprises: constitute crankcase and accommodate the power unit shell of torque transfer, the transmission case of accommodating change-speed box and change-speed box cover, generating hood etc.
Patent documentation 1: TOHKEMY 2008-080986 communique (Fig. 1～Fig. 3)
Summary of the invention
Problem of the present invention provides the protective case of a kind of Straddle-type vehicle with engine shell; the pin that can prevent the occupant is not subjected to the influence of vibration, heat of engine shell etc.; can improve the underfooting traveling comfort, the operability of foot-operated brake is good, and can not hinder the thermal diffusivity of engine shell.
For achieving the above object, the described Straddle-type vehicle of technical solution of the present invention 1 has with the protective case of engine shell: be configured in under-seat and accommodate the engine shell of the bent axle or the change-speed box of combustion engine; Be configured in the overall width direction projection area pedal interior and placement footwear when the occupant is landed on the described seat of described engine shell; it is characterized in that; at least a portion that the overall width direction of described engine shell bloats in the face is positioned at the position of more leaning on the top than described pedal; described protective case covers described overall width direction and bloats face; and observe from the overall width direction, described overall width direction bloat face at least and described pedal between have the part that is not covered by described protective case.
Technical scheme 4 of the present invention is used in the protective case of engine shell at each described Straddle-type vehicle of technical scheme 1～3, it is characterized in that described engine shell contains: drive by the rotation of described combustion engine, be supported in the driving pulley on the drive shaft end; Be positioned at this driving pulley the rear, be supported in the driven pulley on the driven axle head; And be erected at V band between described driving pulley and the driven pulley, and be the change-speed box cover that constitutes in the mode that does not support described drive shaft end or driven axle head, described protective case is fixed on the described change-speed box cover.
The effect of invention
Use the protective case of engine shell according to the Straddle-type vehicle of technical scheme 1 of the present invention; owing to bloating, the overall width direction in the approaching engine shell of the pin of the occupant above the pedal disposed protective case on the face, so can protect occupant's pin not to be subjected to the heat of engine shell, the influence of vibration.On the other hand, owing to do not have the configuration protection cover,, can improve the underfooting traveling comfort so can avoid protective case and occupant's sole to interfere in the position of the wideest occupant's of width sole.In addition, owing to be not all protected cover covering in whole side of engine shell, so can not hinder thermal diffusivity ground to improve outward appearance.
According to technical scheme 2 of the present invention; on the basis of the effect of the invention of technical scheme 1; because protective case is configured in the position of more leaning on the top than the foot-operated face of foot-operated brake; the width up and down of its front portion is narrow; so during foot brake operation; when occupant's toe cap is movable significantly, can avoid the interference of protective case and sole.On the other hand because the width up and down at the rear portion of protective case is big, so the pin that can make the occupant especially ankle be positioned at the protective case width range, it is good that the underfooting traveling comfort becomes.
According to technical scheme 3 of the present invention; on the basis of the effect of the invention of technical scheme 1, because protective case is configured in than the foot-operated face of foot-operated brake more by the position of top, so during foot brake operation; when occupant's toe cap is movable significantly, can avoid the interference of protective case and sole.In addition and since protective case also the overall width direction of covering engine shell bloat the upper section of face, so in the protective case width range, except occupant's pin, heat also is difficult to be delivered to shank or thigh, it is better that the underfooting traveling comfort becomes.
According to technical scheme 4 of the present invention; on each the basis of effect of invention of technical scheme 1 to the technical scheme 3; be under the situation of change-speed box cover of V belt change-speed box in engine shell; the change-speed box cover does not support the drive shaft end or the driven axle head of change-speed box; thus; the axle drive shaft of change-speed box or the vibration of driven shaft are difficult to be delivered to the change-speed box cover; and because the change-speed box cover is provided with protective case; so vibration is difficult to be delivered to occupant's pin, the underfooting traveling comfort of the side of change-speed box cover becomes good.
According to technical scheme 5 of the present invention; on the basis of the effect of the invention of technical scheme 4; because it is big more to be used to install the overlapping degree of the driven shaft axial location of projection of protective case and driven shaft; on the overall width direction, be absorbed in to the inside more; so can make be screwed on the projection and the head that protective case is fastened on the binding bolt on the change-speed box cover is positioned at the position that is absorbed in from the protective case surface; thereby the occupant's on protective case surface pin and protective case binding bolt can not interfere; the underfooting traveling comfort becomes well, and it is good that the action of pin becomes.
According to technical scheme 6 of the present invention; in technical scheme 1 to each the basis of effect of invention of technical scheme 5; between engine shell and protective case, be provided with rubber components; can access vibration damping, heat-insulating effect thus; thereby can reduce vibration and heat by easy structure to occupant's pin transmission.
According to technical scheme 7 of the present invention; in technical scheme 1 to each the basis of effect of invention of technical scheme 5; edge portion by the protective case peripheral part; the rigidity of protective case uprises; even the contact of occupant's pin, protective case also is difficult to depression, can keep the space between engine shell and protective case; thereby even vibration damping, heat insulating member such as rubber components are not set, also can reduce vibration and the heat that the pin to the occupant transmits with easy structure.
Description of drawings
Fig. 1 has carried Straddle-type vehicle with embodiments of the present invention 1 left side view with the two-wheeled motorcycle of the power unit of the protective case of engine shell.
Fig. 2 is the right flank cutaway view of the power unit of embodiment 1.
Fig. 3 is the III-III cross section expansion drawing of Fig. 2.
Fig. 4 has the right flank External view of the Straddle-type vehicle of embodiment 1 with the power unit of the protective case of engine shell.
Fig. 5 is the instruction diagram of the Straddle-type vehicle of embodiment 1 with the right flank position of protective case, pedal, foot-operated brake and occupant's pin of engine shell.
Fig. 6 along among Fig. 5 shown in the VI-VI arrow, the Straddle-type vehicle of embodiment 1 is with the instruction diagram of the position of protective case, pedal, foot-operated brake and occupant's pin of engine shell.
Fig. 7 is the instruction diagram from the position of protective case, pedal, foot-operated brake and occupant's pin of the Straddle-type vehicle usefulness engine shell of the embodiment 1 of right front observation.
Fig. 8 is the instruction diagram from the position of protective case, pedal, foot-operated brake and occupant's pin of the Straddle-type vehicle usefulness engine shell of the embodiment 1 of right abaft observation.
Fig. 9 has the right flank External view of the Straddle-type vehicle of embodiment 2 with the power unit of the protective case of engine shell.
The explanation of Reference numeral
1... two-wheeled motorcycle (Straddle-type vehicle), 2... vehicle body frame, 9... seat; 11... front-wheel, 15... trailing wheel, 17... power unit; 18... combustion engine, 19... torque transfer, 20... power unit shell; 20L... left power unit shell; 20R... right power unit shell, 21... cylinder band, 22... cylinder head; 23... cylinder head cover; 33...V variable v-belt drive (change-speed box), 33a... transmission case, 33b... change-speed box cover (engine shell); 35... bent axle; 36... rotating band wheel shaft (axle drive shaft), 37... driven belt wheel shaft (driven shaft), 38... driving pulley; 39... driven pulley; the hood 40...V band, 43... output shaft, 68a... generate electricity; 71R... right-hand tread plate (pedal); 75... foot-operated brake, 75a... rides face, and 80... overall width direction bloats face; 80a... below part; 80b... upper section, 81... protective case, 81e... peripheral part; 82... rubber components; 83a; 83b... projection, 88... protective case, 88d... top; 88e... peripheral part; 90... pin, 90a... sole (footwear), 90b... toe cap; 90c... ankle, the 210... cylinder part
The specific embodiment
According to Fig. 1～Fig. 8, the Straddle-type vehicle of embodiments of the present invention 1 protective case with engine shell is described.
In addition, below in the explanation all around go up inferior towards be according to the Straddle-type vehicle that will have a present embodiment with the vehicle of power unit lift-launch under the state on the vehicles such as two-wheeled motorcycle of the protective case of engine shell towards.In addition, in the absence of special version, arrow FR is a vehicle front among the figure, and LH is the vehicle left, and RH is that vehicle is right-hand, and UP is the vehicle top.
Fig. 1 represents the left surface of the two-wheeled motorcycle (" Straddle-type vehicle " among the present invention) 1 of present embodiment.In the vehicle body frame 2 of this two-wheeled motorcycle 1, rearward and to oblique below extend a main car frame 4 obliquely from the head pipe 3 of body forward structure, extend downwards at the rear portion of this main car frame 4 and be fixed with pair of right and left pivot cradle 5,5.At the rear portion of main car frame 4, pair of right and left seat rail 6,6 is from rearward and obliquely upward extending near the fixed position of pivot cradle 5,5 and being bent to the rear end halfway.Vehicle frame 7,7 in the middle of having clamped between the central portion of this seat rail 6,6 and the pivot cradle 5,5.
Set up receiver 8 and not shown Fuel Tank etc. between the pair of right and left seat rail 6,6 of above-mentioned vehicle body frame 2, seat 9 freely openable ground cover the top of receiver 8 grades.The front fork 10 that axle is bearing on the head pipe 3 extends to the body forward structure below, is supported with front-wheel 11 at its lower end axle, is provided with steering tiller 12 above front fork 10.By the pivot 13 on the pivot cradle 5,5 that is arranged at vehicle body central authorities, the front end of back vent 14 is propped up by axle and rearward extends, and axle is supported with trailing wheel 15 in the portion in its back-end.Be to have clamped rear shock absorber 16,16 between the rear portion of the back vent 14 that swings up and down of center and the seat rail 6,6 with pivot 13.
Below main car frame 4 and in the place ahead of pivot cradle 5,5, be equipped with power unit 17.Power unit 17 is hung by fulcrum 30 and is located on the frame support bracket 29 that is arranged on the main car frame 4, and is bearing in the upper and lower of pivot cradle 5,5 by fulcrum 31.Vehicle body frame 2 is covered by the plastic cap assembly 32 that is divided into each several part.In Fig. 1,70 expression side stands, 71L represents the left-hand tread plate that the occupant uses.
Right side as the power unit 17 of Fig. 2 is looked shown in the section, the cylinder part 210 of power unit 17, with its axis X (cylinder axis) with respect to the mode of ground approximate horizontal (being in detail) slightly to the front upper place from power cell enclosure 20 leading sections forwards (vehicle direct of travel) outstanding.Cylinder head 22, cylinder band 21 by run through from vehicle front they, not shown a plurality of binding bolts integratedly in conjunction with and be fixed on the power unit shell 20.
About the housing of accommodating torque transfer 19 with reference to Fig. 3 aftermentioned, left power unit shell 20L of cutting apart about power unit shell 20 has and right power unit shell 20R, as shown in Figure 3, left side power unit shell 20L and right power unit shell 20R pass through involutory surface Y by integrated combination, cylinder part 210 is installed then, constitutes power unit 17 thus.The shell of torque transfer 19 shown in Figure 2 is right flanks of right power unit shell 20R.Torque transfer 19 is made of V variable v-belt drive 33 and reduction gear 34.
In power unit 17, have electric motor starting mechanism 47 and foot pedal starting mechanism 51.Electric motor starting mechanism 47 by the Drive pinion 48a that drives by actuating motor 48, not shown electric motor starting mechanism tween drive shaft, be arranged at the gear of the size on this tween drive shaft and the electric motor starting mechanism driven gear 50 that is arranged on the left part 35L (with reference to Fig. 3) of bent axle 35 constitutes.Electric motor starting mechanism 47 is speed reduction gearings.In addition, actuating motor 48 is configured in the place ahead of the plumb line C at the center of passing bent axle 35 as shown in figure.
Foot pedal starting mechanism 51 by pedal spindle 52, foot-operated arm 52a, stretcher 52b (with reference to Fig. 1), the first tween drive shaft 53a, the second tween drive shaft 53b, be arranged at the gear cluster on these and be arranged at foot pedal starting mechanism driven gear 54 formations such as (also with reference to Fig. 3) on the right part of bent axle 35.Foot pedal starting mechanism 51 is speed increasing mechanisms, and in addition, pedal spindle 52 and is configured in the below of this diaxon between bent axle 35 and output shaft 43.
As shown in Figure 3, in the cylinder band 21, portion is formed with the cylinder thorax 55 along described cylinder axis X within it, and piston 56 can be inlaid in the cylinder thorax 55 crank motion.Can link the small end that connecting rod 59 is arranged via the piston pin 57 along left and right directions on piston 56, the big end of connecting rod 59 can be attached on the bent axle 35 via the Crankpin 58 along left and right directions with rotating freely with freely swinging.When power unit 17 normal operations, bent axle 35 is along with the crank motion of piston 56, in Fig. 2 of expression right flank around clickwise.
This combustion engine 18 adopts the valve system of SOHC type, is provided with valve actuating gear 60 in cylinder head cover 23.The cam chain 61 that carries out transmission of power to valve actuating gear 60 is erected between cam chain drive sprocket 62 and the cam chain driven sprocket 64, wherein, cam chain drive sprocket 62 is entrenched on the left side extension 35L of bent axle 35, cam chain driven sprocket 64 is entrenched in the left end of camshaft 63, and camshaft 63 is rotated to equidirectional interlock with 1/2nd rotating speed of bent axle 35.Therefore, cam chain chamber 65 is provided with communicatively with left power unit shell 20L, cylinder band 21, cylinder head 22.On the end face of cylinder band 21 sides of cylinder head 22, be formed with combustion chamber 66, embed light-up plugs 67 towards combustion chamber 66 from the right outside of cylinder head 22.
In the right part of bent axle 35 arranged coaxial the rotating band wheel shaft 36 of V variable v-belt drive (" change-speed box " among the present invention) 33 is arranged, the driven belt wheel shaft of V variable v-belt drive 33 (" driven shaft " among the present invention) 37 is arranged at the rear portion of power unit shell 20.Driving pulley 38 on being arranged at above-mentioned rotating band wheel shaft (" axle drive shaft " among the present invention) 36 and be arranged at and be wound with V on the driven pulley 39 on the driven belt wheel shaft 37 and be with 40 constitutes V variable v-belt drive 33.33a represents transmission case, and 33b represents the change-speed box cover.The left side extension 35L of bent axle 35 is provided with alternating current generator 68.68a represents the hood that generates electricity.
In the present embodiment, change-speed box cover 33b is the structural member of the housing of the power unit 17 that to become " Straddle-type vehicle " of the present invention be two-wheeled motorcycle 1, is equivalent to " engine shell " of the present invention.
But, " Straddle-type vehicle " of the present invention is not limited to the form of the two-wheeled motorcycle 1 of present embodiment, comprise various forms, its power unit also is not limited to the form of the power unit 17 of present embodiment, " engine shell " of the present invention is not limited to the change-speed box cover 33b of present embodiment, also comprises other structural members of housing of the power unit that becomes " Straddle-type vehicle " of other forms of power unit shell, transmission case or generating hood etc.
On the left part 37L of the driven belt wheel shaft 37 of above-mentioned V variable v-belt drive 33, dispose the wet-type centrifugal clutch 41 of roughly the same diameter coaxially with driven pulley 39, and the left part 37L of this driven belt wheel shaft 37 becomes the input shaft of reduction gear 34.The S. A. of reduction gear 34 has left part 37L, reduction gear tween drive shaft 42 and the output shaft 43 of driven belt wheel shaft 37, constitutes reduction gear 34 by the gear cluster that is arranged on these.Output shaft 43 is outstanding to the left from the rear portion of left power unit shell 20L.The rotary driving force of power unit 17 is output via above-mentioned output shaft 43.As shown in Figure 1, between the trailing wheel driven sprocket 45 on the trailing wheel 15, set up dynamic transfer chain 46 being embedded in the back-wheel drive sprocket wheel 44 on the above-mentioned output shaft 43 and being wholely set, thereby the rotary driving force of power unit 17 transmits to trailing wheel 15.44a represents the left surface of power unit shell 20 is covered from the rear of generating hood 68a the rear portion cover of back-wheel drive sprocket wheel 44.
As shown in Figure 3, on the change-speed box cover 33b of the power unit 17 of present embodiment, be formed with the overall width direction in its right side and bloat face 80, the overall width direction bloats face 80 protected covers 81 and covers.The material of protective case 81 is PA6 (nylon 6) for example.Overall width direction at change-speed box cover 33b bloats between face 80 and the protective case 81, is provided with the rubber components 82 as vibration absorption material and thermal insulation material.In this manual, rubber components 82 comprises natural rubber material, tartan or resin component, also can use suitable forms such as solid material, expanded material, porous material.
As shown in the figure, protective case 81 is fastened to by binding bolt 84a, 84b respectively and is arranged at a pair of protruding 83a on the change-speed box cover 33b, that be arranged in front and back position, the tapped bore of 83b.As shown in Figure 4, on the direction of the line segment D that links rotating band wheel shaft 36 and driven belt wheel shaft 37, the protruding 83a in the place ahead compares with driven belt wheel shaft 37 with rotating band wheel shaft 36 and disposes more on the front, and the protruding 83b at rear compares with driven belt wheel shaft 37 with rotating band wheel shaft 36 and disposes more by the rear.
In addition, as shown in Figure 3, driven belt wheel shaft 37 and each protruding 83a, 83b dispose in the overlapping mode of the axial location of driven belt wheel shaft 37 (among the figure, separately overlap length La, Lb).That is, the right axle head 37a that is configured to along the overall width direction from driven belt wheel shaft 37 of each protruding 83a, 83b is absorbed in to the inside.
Therefore; the position of the 86a of mounting flange portion, 86b that is used to install protective case attachment face 85a, 85b, the protective case 81 of each protruding 83a, 83b of protective case 81 is arranged in also that the surperficial 81c from protective case 81 is absorbed in to the inside on the overall width direction, and the head of binding bolt 84a, 84b is positioned at the position that is absorbed in from the surperficial 81c of protective case 81.
Thus, the pin 90 of the occupant on the surperficial 81c of protective case 81 (with reference to Fig. 5,6) and binding bolt 84a, 84b can not interfere, and occupant's underfooting traveling comfort is good, makes the action of pin 90 good.
In addition, as shown in the figure, change-speed box cover 33b as engine shell of the present invention contains driving pulley 38 on the end that is supported in rotating band wheel shaft 36, be supported on the end of driven belt wheel shaft 37 at the rear that is positioned at driving pulley 38 driven pulley 39 and V are with 40, but change-speed box cover 33b does not support the end of rotating band wheel shaft 36 and the end of driven belt wheel shaft 37.
Therefore, the vibration of rotating band wheel shaft 36, driven belt wheel shaft 37 is difficult to be passed to change-speed box cover 33b.And owing to also install and be fixed with protective case 81 on change-speed box cover 33b, so vibration is difficult to be delivered to occupant's pin 90, thereby the underfooting traveling comfort of the occupant on the side of change-speed box cover 33b becomes good.
And, as mentioned above, owing between change-speed box cover 33b and protective case 81, be provided with rubber components 82, thus can access higher vibration damping, effect of heat insulation by protective case 81, and can be with vibration and the heat of easy structure reduction to occupant's pin 90 transmission.
Shown in Fig. 4,5, under the power unit 17 of present embodiment is equipped on state on the two-wheeled motorcycle 1, the major part that the overall width direction of change-speed box cover 33b bloats face 80 is positioned at the top of right-hand tread plate 71R, and this right-hand tread plate 71R is used for placing sole (the present invention " footwear ") 90a when the occupant is landed on the seat 9.Protective case 81 covers the overall width directions and bloats face 80, observe from the overall width direction, the overall width direction bloat face 80 and right-hand tread plate 71R between have that not protected cover 81 covers below part 80a.
Thus; as shown in Figure 6; about pedal 71L, 71R be installed in the bottom of power unit 17 by pedal-rod 71a; and it is outstanding to the side of power unit 17; but bloat in the overall width direction of the approaching change-speed box cover 33b of the pin 90 of the occupant above the right-hand tread plate 71R and to dispose protective case 81 on the face 80, can protect occupant's pin 90 not to be subjected to the vibration of change-speed box cover 33b, the influence of heat thus.And, owing on the position of the wideest occupant's of width sole 90a, do not dispose protective case 81,, can make by bus that the aperture of the pin 90 of state reduces so can avoid the interference of protective case 81 and occupant's sole 90a, the underfooting traveling comfort improves.In addition, owing to be not all protected cover 81 coverings in whole side of change-speed box cover 33b,, improve aesthetic appearance so can less hinder thermal diffusivity.
And; shown in Fig. 4,5; the change-speed box cover 33b of present embodiment observes from the overall width direction and is the long substantially elliptical shape in front and back; more dispose right-hand tread plate 71R in length direction central authorities by on the position at rear than change-speed box cover 33b; on position more on the front, dispose foot-operated brake 75; protective case 81 becomes big shape with width up and down from the place ahead to the rear, be positioned at than the foot-operated face 75a of foot-operated brake 75 more by the position of top.
Fig. 7 is the state of expression from protective case 81, right-hand tread plate 71R, foot-operated brake 75 and the occupant's of the right front observation change-speed box cover 33b of two-wheeled motorcycle 1 pin 90, and Fig. 8 is the state of expression from protective case 81, right-hand tread plate 71R, foot-operated brake 75 and the occupant's of the right abaft observation change-speed box cover 33b of two-wheeled motorcycle 1 pin 90.
Therefore; as shown in the figure; because protective case 81 is configured in the position of more leaning on the top than the foot-operated face 75a of foot-operated brake 75; the width up and down of the anterior 81a of protective case 81 is narrow; so during operation foot-operated brake 75; when occupant's toe cap 90b is movable significantly, can avoid protective case 81 and sole 90a interference.In addition because the width up and down of the rear portion 81b of protective case 81 is big, so the pin 90 that can make the occupant especially ankle 90c be positioned at the width range (with reference to Fig. 5) of protective case 81, it is good that the underfooting traveling comfort becomes.
In addition, in above-mentioned present embodiment, between protective case 81 and change-speed box cover 33b, be provided with rubber components 82; vibration damping, heat-insulating effect are improved; but the structure by protective case 81 self even rubber components 82 is not set, also can improve vibration damping, thermal insulation.
Promptly; though it is not shown; but also can replace being provided with rubber components 82 (perhaps except rubber components 82 is set); and on the peripheral part 81e of protective case 81, form the big edge portion of thickness than other parts of protective case 81; edge portion directly is connected on the change-speed box cover 33b, thereby protective case 81 is installed on the change-speed box cover 33b.
Under this situation; the edge portion of peripheral part 81e by protective case 81; the rigidity of protective case 81 improves; even 90 contacts of occupant's pin, protective case 81 also is difficult to depression, can keep the space between change-speed box cover 33b and protective case 81; therefore; even vibration damping, the heat insulating member of rubber components 82 grades are not set, also can reduce vibration, heat with easy structure to occupant's pin 90 transmission.
With reference to Fig. 9 the protective case of the Straddle-type vehicle of embodiments of the present invention 2 with engine shell is described.
The protective case 88 of present embodiment, to bloat the form aspect of upper section 80b of face 80 different with the protective case 81 of embodiment 1 for the 88d overall width direction that also covers change-speed box cover 33b at an upper portion thereof, and other aspects are identical with the protective case 81 of embodiment 1.
Promptly, change-speed box cover 33b observes from the overall width direction and is the long substantially elliptical shape in front and back, more dispose right-hand tread plate 71R in length direction central authorities by on the position at rear than change-speed box cover 33b, on position more on the front, dispose foot-operated brake 75, the major part that the overall width direction of change-speed box cover 33b bloats face 80 is positioned at the top of right-hand tread plate 71R, this right-hand tread plate 71R is used for placing sole (the present invention " footwear ") 90a when the occupant is landed on the seat 9, and this respect is identical with embodiment 1.
In addition; protective case 88 is configured in the position of more leaning on the top than the foot-operated face 75a of foot-operated brake 75; cover the overall width direction and bloat face 80; simultaneously; observe from the overall width direction; the overall width direction bloat face 80 and right-hand tread plate 71R between have that not protected cover 88 covers below part 80a, this respect is identical with the protective case 81 of embodiment 1.
But the anterior 88a and the top 88d between the 88b of rear portion of the protective case 88 of present embodiment also cover the upper section 80b that the overall width direction bloats face 80.
Therefore; protective case 88 by present embodiment; with the protective case 81 of embodiment 1 similarly; when foot-operated brake 75 operations; when occupant's toe cap 90b is movable significantly; can avoid protective case 88 and sole 90a interference; the pin 90 that can make the occupant especially ankle 90c is positioned at the scope (more than, with reference to Fig. 5) of protective case 88, and it is good that the underfooting traveling comfort becomes; in addition; because protective case 88 also covers the upper section 80b that the overall width direction of change-speed box cover 33b bloats face 80, so in protective case 88 width ranges, except occupant's pin 90; also be difficult to carry out transfer of heat to shank or thigh, it is better that the underfooting traveling comfort becomes.
Other action effect is identical with the protective case 81 of embodiment 1.
In addition, by rubber components 82 so simple structures are set, can improve vibration damping, heat-insulating effect between protective case 88 and change-speed box cover 33b, this respect is identical.And; also can replace being provided with rubber components 82 (perhaps on the basis that rubber components 82 is set); on the peripheral part 88e of protective case 88, form the thickness edge portion bigger than other parts of protective case 88; edge portion directly is connected on the change-speed box cover 33b, thereby protective case 88 is installed on the change-speed box cover 33b.
Edge portion by peripheral part 88e; the rigidity of protective case 88 uprises; even occupant's pin 90 contacts; protective case 88 also is difficult to depression; can between change-speed box cover 33b and protective case 88, keep the space, thereby even vibration damping, the heat insulating member of rubber components 82 grades are not set, also can be by easy structure; reduction is to vibration, the heat of occupant's pin 90 transmission, and this respect is identical.
More than; embodiments of the present invention are illustrated; but " Straddle-type vehicle " of the present invention (and power unit) is not limited to graphic mode; in addition; " engine shell " of the present invention is not limited to the illustrated change-speed box cover of above-mentioned embodiment, of the present invention " Straddle-type vehicle with the protective case of engine shell " can be applicable to the engine shell of diversified Straddle-type vehicle as protective case.In addition, the material of protective case 81,88 is not limited to above-mentioned illustration, also can be according to usage condition etc., and suitably select or make up.
Claims (7)
1. a Straddle-type vehicle has with the protective case of engine shell: be configured in under-seat and accommodate the engine shell of the bent axle or the change-speed box of combustion engine; Be configured in the overall width direction projection area pedal interior and placement footwear when the occupant is landed on the described seat of described engine shell, it is characterized in that,
At least a portion that the overall width direction of described engine shell bloats face is positioned at the position of more leaning on the top than described pedal,
Described protective case covers described overall width direction and bloats face, and observes from the overall width direction, described overall width direction bloat face at least and described pedal between have the part that is not covered by described protective case.
2. the Straddle-type vehicle as claimed in claim 1 protective case of engine shell; it is characterized in that; described engine shell is observed from the overall width direction and is the long substantially elliptical shape in front and back; more described pedal is arranged in length direction central authorities by the position configuration at rear than described engine shell; position configuration more on the front has foot-operated brake
Described protective case is the shape that width broadens about the past direction rear, and is configured in the position of more leaning on the top than the foot-operated face of described foot-operated brake.
3. the Straddle-type vehicle as claimed in claim 1 protective case of engine shell; it is characterized in that; described engine shell is observed from the overall width direction and is the long substantially elliptical shape in front and back; more described pedal is arranged in length direction central authorities by the position configuration at rear than described engine shell; position configuration more on the front has foot-operated brake
Described protective case is configured in the position of more leaning on the top than the foot-operated face of described foot-operated brake, and the overall width direction that also covers described engine shell bloats the upper section of face.
4. use the protective case of engine shell as each described Straddle-type vehicle of claim 1～3, it is characterized in that,
Described engine shell contains: drive by the rotation of described combustion engine, be supported in the driving pulley on the drive shaft end; Be positioned at this driving pulley the rear, be supported in the driven pulley on the driven axle head; And be erected at V band between described driving pulley and the driven pulley, be the change-speed box cover that constitutes in the mode that does not support described drive shaft end or driven axle head,
Described protective case is fixed on the described change-speed box cover.
5. the Straddle-type vehicle as claimed in claim 4 protective case of engine shell; it is characterized in that; be used to install a pair of projection of described protective case; on the direction of the line segment that links described axle drive shaft and driven shaft; be configured in respectively described axle drive shaft and driven shaft the place ahead and rear, described driven shaft and the projection to be configured in the overlapping mode of the axial location of this driven shaft.
6. use the protective case of engine shell as each described Straddle-type vehicle of claim 1～5, it is characterized in that, between described engine shell and protective case, be provided with rubber components.
7. use the protective case of engine shell as each described Straddle-type vehicle of claim 1～5; it is characterized in that; peripheral part at described protective case is formed with the thickness edge portion bigger than other parts of this protective case; this edge portion directly is connected on the described engine shell, thereby described protective case is installed on the described engine shell.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-197555 | 2009-08-28 | ||
| JP2009197555A JP5457760B2 (en) | 2009-08-28 | 2009-08-28 | Protective cover structure for saddle-ride type vehicle engine case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102001383A true CN102001383A (en) | 2011-04-06 |
| CN102001383B CN102001383B (en) | 2015-05-06 |
Family
ID=43809154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010250029.7A Active CN102001383B (en) | 2009-08-28 | 2010-08-09 | Protection cover of an engine shell for a straddle type vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5457760B2 (en) |
| CN (1) | CN102001383B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107795376A (en) * | 2016-09-06 | 2018-03-13 | 马自达汽车株式会社 | To reduce the construction for the amount of dabbling splashed on mobile engine |
| CN109774833A (en) * | 2017-11-15 | 2019-05-21 | 本田技研工业株式会社 | Straddle-type vehicle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5702667B2 (en) * | 2011-05-18 | 2015-04-15 | 本田技研工業株式会社 | Step structure of saddle riding type vehicle |
| JP7233297B2 (en) * | 2019-05-08 | 2023-03-06 | 日立Astemo株式会社 | TRANSMISSION AND VEHICLE STEERING DEVICE INCLUDING THIS TRANSMISSION |
| JP6953492B2 (en) * | 2019-10-15 | 2021-10-27 | 本田技研工業株式会社 | Internal combustion engine for saddle-mounted vehicles |
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| CN1532109A (en) * | 2003-03-25 | 2004-09-29 | 本田技研工业株式会社 | Car body cover structure of motor two-wheel vehicle |
| US20070023220A1 (en) * | 2005-08-01 | 2007-02-01 | Yamaha Hatsudoki Kabushiki Kaisha | Riding Type Vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102001383B (en) | 2015-05-06 |
| JP5457760B2 (en) | 2014-04-02 |
| JP2011046316A (en) | 2011-03-10 |
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