CN101850809B - Motor cycle - Google Patents

Abstract

The invention provides a motor cycle, whose pedal rod installation portion has a small volume and ensures the supporting rigidity of a side stander. In the motor cycle (10), the lower surface of an engine case (120) forming the engine (71) has the installation portion of the pedal rod (26). The lower surface of the engine case (120) is provided with a side stander installation portion which is equipped at a position separated from the installation portion of the pedal rod in the back and forth direction; and the pedal rod installation portion and the side stander installation portion are separated, thereby not increasing the volume of the installation portion of the pedal rod and facilitating the supporting rigidity of the side stander.

Description

Two-wheeled

Technical field

The present invention relates to a kind of two-wheeled improvement.

Background technology

Two-wheeled as in the past, known two-wheeled (for example, with reference to the patent documentation 1) that installation pedal-rod and side jiffy stand below driving engine are arranged.

Fig. 1, Fig. 3 according to patent documentation 1 are equipped with support 22 below driving engine 7, across anti-vibration member 23 pedal-rod 27 is installed on this support 22, at the two ends of this pedal-rod 27 pedal 28 are installed.And, at support 22 side jiffy stand support 31 is installed, at this side jiffy stand support 31 side jiffy stand 32 is installed.

Patent documentation 1: TOHKEMY 2000-38179 communique

Support 22 need to have can support side jiffy stand 32 rigidity, and because support 22 is gone back supporting pedal bar 27, if therefore will guarantee rigidity, then support 22 is large in the above-below direction upper volume.

And; pedal 28 attaches rubber for vibrationproof; but in order to ensure the supporting rigidity of side jiffy stand 32 anti-vibration member 23 is arranged between support 22 and the pedal-rod 27, in order to ensure two-wheeled road clearance, need to makes driving engine 7 be moved upward the amount of road clearance.

Summary of the invention

The object of the present invention is to provide a kind of two-wheeledly, the volume of its pedal-rod installation portion is little, and can guarantee the supporting rigidity of side jiffy stand.

Technical scheme 1 related invention is a kind of two-wheeled, its lower surface at the engine case that consists of driving engine has the installation portion of pedal-rod, described two-wheeled being characterised in that, lower surface at engine case is provided with side jiffy stand installation portion, and this side jiffy stand installation portion is arranged on the pedal-rod installation portion in position that fore-and-aft direction separates.

Technical scheme 2 related inventions are characterised in that, in engine case, at least at an upper portion thereof be provided with the engine case installation portion of installing to body shell with the rear portion, be provided with the pedal-rod installation portion in the front portion of engine case, be provided with side jiffy stand installation portion at the rear portion of engine case.

Technical scheme 3 related inventions are characterised in that the front portion of engine case has crankshaft room, and the rear portion of engine case has Transmission Room, is provided with the pedal-rod installation portion below crankshaft room, are provided with side jiffy stand installation portion below Transmission Room.

Technical scheme 4 related inventions are characterised in that, have set up toric transmission in driving engine, the follower that this toric transmission has drive division and driven by this drive division, and the pedal-rod installation portion is configured in the below of drive division.

Technical scheme 5 related inventions are characterised in that, engine case has the crankcase that is formed with crankshaft room and Transmission Room, this crankcase is divided into two-part left and right sides crankcase by the overall width direction of extending at bent axle and consists of, and strides the described left and right sides crankcase side jiffy stand installation portion is set.

Technical scheme 6 related inventions are characterised in that, engine case has the crankcase that is formed with crankshaft room and Transmission Room, the change-speed box case of taking in toric transmission is arranged on the overall width direction outside of crankcase, and the pedal-rod installation portion is striden left and right sides crankcase and change-speed box case and arranged.

Technical scheme 7 related inventions are characterised in that, crankcase is divided into two-part left and right sides crankcase by the overall width direction of extending at bent axle and consists of, and the pedal-rod installation portion is striden a left and right sides crankcase middle distance change-speed box case side's far away crankcase and change-speed box case and arranged.

Technical scheme 8 related inventions are characterised in that, when observing in the side, below driving engine, extends towards the back upper place in the driving engine side by pedal-rod, be provided with the starter pedal that consists of engine starting gear in the side of engine case, the S. A. of this starter pedal is outstanding to the side from the engine case sidepiece, and be configured in than pedal-rod installation portion and side jiffy stand installation portion position closer to the top, the S. A. of described starter pedal, pedal-rod installation portion and side jiffy stand installation portion are configured in respectively leg-of-mutton top.

Technical scheme 9 related inventions are characterised in that side jiffy stand installation portion is made of lug boss, and this lug boss is formed on the engine case installation portion in outstanding downwards mode.

Technical scheme 10 related inventions are characterised in that, follower possesses driven shaft, the S. A. of starter pedal is configured in than driven shaft more on the lower and with respect to the position that relies on the axle drive shaft that drive division is installed under the driven shaft, side jiffy stand installation portion is configured in the position that forward laps with starter toothed wheel, and with respect to being configured in a side opposite with axle drive shaft under the driven shaft, wherein said starter toothed wheel is installed on the S. A. of starter pedal.

In the related invention of technical scheme 1, lower surface at engine case is provided with side jiffy stand installation portion, this side jiffy stand installation portion is arranged on the pedal-rod installation portion in position that fore-and-aft direction separates, thus, pedal-rod installation portion volume can not increase, thereby can guarantee the road clearance of vehicle, and can guarantee the supporting rigidity of side jiffy stand.

In the related invention of technical scheme 2, in engine case, at least at an upper portion thereof be provided with the engine case installation portion of installing to body shell with the rear portion, be provided with the pedal-rod installation portion in the front portion of engine case, be provided with side jiffy stand installation portion at the rear portion of engine case, thus, can engine case and body shell in conjunction with the high position of rigidity support side jiffy stand securely.

In the related invention of technical scheme 3, the front portion of engine case has crankshaft room, the rear portion of engine case has Transmission Room, below crankcase, be provided with the pedal-rod installation portion, below Transmission Room, be provided with side jiffy stand installation portion, thus, pedal-rod installation portion and side jiffy stand installation portion can minute be arranged below the crankshaft room and below the Transmission Room, thereby can make the load that acts on pedal-rod installation portion and side jiffy stand installation portion be distributed to the front and back of engine case.

In the related invention of technical scheme 4, set up toric transmission at driving engine, the follower that this toric transmission has drive division and driven by this drive division, the pedal-rod installation portion is configured in the below of drive division, thus, in setting up the engine case of toric transmission, can disperse load by pedal-rod installation portion and side jiffy stand installation portion.

In the related invention of technical scheme 5, engine case has the crankcase that is formed with crankshaft room and Transmission Room, this crankcase is divided into two-part left and right sides crankcase by the overall width direction of extending at bent axle and consists of, stride the described left and right sides crankcase side jiffy stand installation portion is set, thus, can make the installation width of side jiffy stand installation portion become large, can be easy to guarantee the supporting rigidity of side jiffy stand.

In the related invention of technical scheme 6, engine case has the crankcase that is formed with crankshaft room and Transmission Room, the change-speed box case of taking in toric transmission is arranged on the overall width direction outside of crankcase, the pedal-rod installation portion is striden left and right sides crankcase and change-speed box case and is arranged, thus, can make the installation width of pedal-rod installation portion become large, can be easy to guarantee the supporting rigidity of pedal-rod.

In the related invention of technical scheme 7, crankcase is divided into two-part left and right sides crankcase by the overall width direction of extending at bent axle and consists of, the pedal-rod installation portion is striden a left and right sides crankcase middle distance change-speed box case side's far away crankcase and change-speed box case and is arranged, thus, can make to become about the installation width of pedal-rod installation portion pedal-rod is installed greatly, thereby can be easier to guarantee the supporting rigidity of pedal-rod.

In the related invention of technical scheme 8, when observing in the side, below driving engine, extends towards the back upper place in the driving engine side by pedal-rod, be provided with the starter pedal that consists of engine starting gear in the side of engine case, the S. A. of this starter pedal is outstanding to the side from the engine case sidepiece, and be configured in than pedal-rod installation portion and side jiffy stand installation portion position closer to the top, the S. A. of described starter pedal, pedal-rod installation portion and side jiffy stand installation portion are configured in respectively leg-of-mutton top, thus, when the operation starter pedal, pedal-rod installation portion and side jiffy stand installation portion can not become obstacle, the operability of starter pedal can be guaranteed, and the pedal-rod installation portion can be disposed compactly, side jiffy stand installation portion and starter pedal.

In the related invention of technical scheme 9, because side jiffy stand installation portion is made of lug boss, this lug boss is formed on the engine case installation portion in outstanding downwards mode, therefore can strengthen the engine case installation portion by projection, can avoid the maximization of engine case installation portion.And, because boss is not set, therefore can guarantee oil sump capacity in engine case.

In the related invention of technical scheme 10, follower possesses driven shaft, the S. A. of starter pedal is configured in than driven shaft more on the lower and with respect to the position that relies on the axle drive shaft that drive division is installed under the driven shaft, side jiffy stand installation portion is configured in the position that forward laps with starter toothed wheel, and with respect to being configured in a side opposite with axle drive shaft under the driven shaft, wherein said starter toothed wheel is installed on the S. A. of starter pedal, thus, by with starter toothed wheel and side jiffy stand installation portion to dispose in the overlapping mode of fore-and-aft direction, can avoid taking in the interference of engine case and the side jiffy stand installation portion of starter toothed wheel, can configuration side jiffy stand installation portion closer to the top, thus the ground Clearance that can guarantee than the highland side jiffy stand installation portion.

Description of drawings

Fig. 1 is two-wheeled lateral plan of the present invention.

Fig. 2 is the left side view at the engine installation of two-wheeled lift-launch of the present invention.

Fig. 3 is the front view at the engine installation of two-wheeled lift-launch of the present invention.

Fig. 4 is the birds-eye view at the engine installation of two-wheeled lift-launch of the present invention.

Fig. 5 is the main portion upward view of engine installation of the present invention.

Fig. 6 is the bottom surface of expression engine installation of the present invention and the instruction diagram of inner structure.

Fig. 7 is the main portion left side view of expression engine installation of the present invention.

Fig. 8 is the main portion right side view of expression engine installation of the present invention.

Fig. 9 is the action diagram of expression two-wheeled effect of the present invention.

Among the figure:

10-is two-wheeled; The 26-pedal-rod; 27-side jiffy stand; The 71-driving engine; The 72b-lug boss; The 73-toric transmission; 87,88,89-engine case installation portion (front upper part installation portion, upper back installation portion, rear lower installation portion); The 91-starter pedal; The 92-S. A.; The 111-left crankcase; The 112-right crankcase; 115-change-speed box case; The 120-engine case; 138-starter toothed wheel (キ Star Network ギ ヤ); 141-axle drive shaft (bent axle); 142-crankshaft room (Network ラ Application Network chamber); 144-Transmission Room (ミ Star シ ヨ Application chamber); 151-drive division (driving pulley); The 152-driven shaft; 153-follower (driven pulley); 171,172-pedal-rod installation portion; 173-side jiffy stand installation portion.

The specific embodiment

Based on accompanying drawing embodiments of the present invention are carried out following explanation.Wherein, the driver that represents to ride of the left, right, front and rear in the explanation is the direction of benchmark.And accompanying drawing is the figure that observes along the direction of symbol.

[embodiment]

Embodiments of the invention are described.

As shown in Figure 1, two-wheeled 10 is vehicle as follows, is provided with handle cover 12, front shroud 16, pair of right and left leg protection plate 17, the 17 (symbol 17 of side in front of only illustrating at body forward structure.) and front fender apron 18, handle cover 12 covers handle 11, and front shroud 16 covers the place ahead, top of front fork 14, and this front fork 14 is handled front-wheel 13, pair of right and left leg protection plate 17, the 17 (symbol 17 of side in front of only illustrating.) cover the place ahead of driver's shank, front fender apron 18 covers the top of front-wheel 13, at handle cover 12 head lamp 21 and back mirror 22 are installed, dispose engine installation 24 at the vehicle body central portion, engine installation 24 is installed on the body shell, pedal-rod 26 and side jiffy stand 27 are installed in the bottom of this engine installation 24, pedal support 28, the 28 (symbol 28 of side in front of only illustrating of pair of right and left is installed in the bottom of body shell.), be provided with seat 31 at body tail, cover the central cover 32 below the edge at this seat 31, side cover 34, the 36 (symbol 34 of side in front of only illustrating of pair of right and left.), cover the top of trailing wheel 41 rear mudguard 42, be installed in the rear combination lamp 47 on the rear mudguard 42 and hold for co-driver and to hold up and be disposed near the handrail 48 at the rear portion at seat 31, at rear mudguard 42 license plate 51 is installed, swing arm 52 is swung the bottom that is installed in freely body shell, and rear buffer cell 53, the 53 (symbol 53 of side in front of only illustrating of pair of right and left is installed at this swing arm 52 and body shell rear portion.)。

Symbol 62,62 among the figure (symbol 62 of side in front of only illustrating.) for the driver of pair of right and left at the both ends that are installed on pedal-rod 26 use pedal, symbol 63,63 (only illustrates the symbol 63 of front side.) for being installed in the co-driver pedal of pedal support 28, each front end of 28, symbol 64 is chain guard.

Arrow among Fig. 2 (FRONT) expression vehicle front is (following identical.)。

As shown in Figure 2, engine installation 24 comprises that the toric transmission of driving engine 71 and belt is (not shown.The details aftermentioned.), the right side of the crankcase 72 of this toric transmission and described driving engine 71 arranges integratedly.

Driving engine 71 has crankcase 72 and is installed in the cylinder section 74 of the leading section of this crankcase 72.

Cylinder section 74 comprises: is installed in the cylinder block 76 on the crankcase 72, is installed in the cylinder head 77 on this cylinder block 76, and the housing 78 that covers the open front section of this cylinder head 77.

Pedal-rod 26 and the side jiffy stand 27 that is configured in the rear of this pedal-rod 26 are installed in the bottom of engine installation 24.

Pedal-rod 26 extends below crankcase 72 when side-looking upward, and extends to oblique back upper place, and at front end driver's usefulness pedal 62 is installed.

Side jiffy stand 27 comprises: side jiffy stand support 81; Jiffy stand supporting arm 83, it is swung by fulcrum 82 and is installed in freely on this side jiffy stand support 81; Extension coil spring 86, it is erected at spring and hangs in pin 84 and the spring extension section (pedal position during the fore side jiffy stand) 85, thereby be under upright state or the lifting status jiffy stand supporting arm 83 application of forces at jiffy stand supporting arm 83, wherein, spring is hung pin 84 and is installed on the side jiffy stand support 81, and spring extension section 85 is installed on the jiffy stand supporting arm 83.

Engine installation 24 is bearing on the body shell by front upper part installation portion 87, upper back installation portion 88 and the rear lower installation portion 89 as the engine case installation portion, and described engine case installation portion is the driving engine Suspension that forms at crankcase 72.

Symbol 91 among the figure is the starter pedal as engine starting gear, 92 for giving prominence to and be equipped with the S. A. of starter pedal 91 from the interior side direction body side side of crankcase 72,93 is the ACG cover that covers the side of built-in alternating current generator (AC electrical generator), the left rear side cover at the 94 sidepiece rear portions for covering crankcase 72 (for example, covering the sprocket wheel of chain drive-belt).

State after long and two-short dash line shown in the figure represents starter pedal 91 stepped on.At this moment, starter pedal 91 offsets with pedal-rod 26 and is limited further rotation.That is, the effect of the debooster of pedal-rod 26 performance starter pedals 91.

As shown in Figure 3, supporting structure as pedal-rod 26, a plurality of lug boss 72a that elastic component 102 arranges on pad 101 and position, the left and right sides at the lower surface of crankcase 72 respectively integratedly offset, the sleeve pipe 103 of these elastic component 102 up/down perforations is installed on the lug boss 72a by bolt 104 in the mode that offsets with pad 101, about elastic component 102 on support respectively left and right sides pedal-rod support 106,107, at described pedal-rod support 106,107 pedal-rod 26 is installed.

The starter pedal 91 that is represented by long and two-short dash line among the figure is same with Fig. 2, is operated and offsets with pedal-rod 26.

As shown in Figure 4, engine installation 24 comprises the toric transmission 73 of driving engine 71 and belt, wherein, this toric transmission 73 is arranged at the right side of the crankcase 72 of this driving engine 71 integratedly, this engine installation 24 possesses crankcase 72 and change-speed box case 115 (component parts of toric transmission 73), crankcase 72 is made of left crankcase 111 and right crankcase 112, and change-speed box case 115 is installed in the sidepiece of right crankcase 112 for the toric transmission main part (not shown) that covers the inside that is arranged on toric transmission 73.

Change-speed box case 115 comprises the inboard change-speed box case 116 that is installed on the right crankcase 112 and the change-speed box cover 117 that is installed on this inboard change-speed box case 116, be provided with aspirating air pipe connecting portion 116a and gas exhaust duct connecting portion 116b on the top of inboard change-speed box case 116, wherein, aspirating air pipe connecting portion 116a connects and will arrive inner air intake pipeline for the air intake of ventilation, the Bas Discharged pipeline that gas exhaust duct connecting portion 117 connects the Bas Discharged in the change-speed box case 115.In addition, symbol 118 expressions are installed in the self-starting motor on the top of crankcase 72.

As shown in Figure 5, the crankcase 72 that is made of left crankcase 111 and right crankcase 112, ACG cover 93, the change-speed box case 115 that is made of inboard change-speed box case 116 and change-speed box cover 117 are for consisting of the parts of engine case 120.

The pedal-rod support 106 in left side by with respect to fore-and-aft direction obliquely two bolts 104,104 of alignment arrangements be installed in the lower surface of left crankcase 111, the pedal-rod support 107 on right side is installed in the lower surface of inboard change-speed box case 116 by two bolts 104 arranging along fore-and-aft direction.

Install above-mentioned pedal-rod support 106 two bolts 104,104 with respect to fore-and-aft direction obliquely alignment arrangements be because, owing to safeguard bolt 121 what the lower surface than pedal-rod 26 left crankcase 111 on the front disposed chain tensioning device that the valve actuating gear of driving engine 71 possesses, therefore, make bolt 104 staggered positions and be configured in the overall width direction inboard of safeguarding bolt 121, and make another bolt 104 be configured in as far as possible the outer side of left crankcase 111, thereby make the installation width of the overall width direction of pedal-rod 26 further become large.

Side jiffy stand support 81 is installed in the lower surface of left crankcase 111 by two bolts 123,123 of arranging along fore-and-aft direction, is installed in the lower surface of right crankcase 112 by a bolt 123.In addition, the long and two-short dash line among the figure represents the state that the jiffy stand supporting arm 83 with side jiffy stand 27 erects.

Dispose the pivot framework 125 that consists of body shell at the rear of side jiffy stand 27, at this pivot framework 125 pivot 126 and fulcrum 127 are installed, at pivot 126 swing arm 128 is installed, at fulcrum 127 brake pedal 131 is installed.In addition, the freeing pipe that symbol 135 expressions are connected with the bottom of the cylinder head 77 of driving engine 71, the noise silencer that 136 expressions are connected with the rear end of freeing pipe 135.

In Fig. 6, to have an X-rayed the structure member that illustrates in the engine installation 24 with the overlapping mode in the bottom surface of engine installation 24.

Be formed with for negative thread 111a, 111b that pedal-rod 26 (with reference to Fig. 5) is installed and be used for negative thread 111c, the 111d of installation side jiffy stand 27 (with reference to Fig. 5) at the lower surface of left crankcase 111, be formed with negative thread 112a for installation side jiffy stand 27 at the lower surface of right crankcase 112, be formed with for negative thread 116c, 116d that pedal-rod 26 is installed at the lower surface of inboard change-speed box case 116.

In detail, the outstanding a plurality of lug boss 72a downwards that possess at the lower surface of left crankcase 111 and inboard change-speed box case 116 are formed with above-mentioned negative thread 111a, 111b, 116c, 116d.

Be formed with outstanding a plurality of lug boss 72b downwards at the lower surface with the integrally formed rear lower installation portion 89 of left crankcase 111 and right crankcase 112, be formed with above-mentioned negative thread 111c, 111d, 112a at each lug boss 72b.

Inboard at the first half of crankcase 72 is provided with crankshaft room 142 (being roughly the part that is surrounded by long and two-short dash line), dispose the main portion of bent axle 141 in the crankshaft room 142, inboard at the latter half of crankcase 72 is provided with the Transmission Room 144 (being roughly the part that is surrounded by long and two-short dash line) that possesses a plurality of gears, and the S. A. 92 of starter pedal 91 (with reference to Fig. 2) is interior outstanding to the vehicle body side from this Transmission Room 144.

Be equipped with for the starter toothed wheel 138 that its rotation is passed to bent axle 141 at S. A. 92, this starter toothed wheel 138 is accommodated in the left crankcase 111.

Above-mentioned crankshaft room 142 and Transmission Room 144 are the part that forms in crankcase 72.

Be provided with change-speed box chamber 146 in the inboard of change-speed box case 115, in this change-speed box chamber 146, taken in toric transmission main part 147.

Offer bolt insertion hole 72d in the mode of extending along the overall width direction on the rear lower installation portion 89 of the rearward end that is arranged at crankcase 72, this bolt insertion hole 72d makes to the bolt of body shell installation usefulness and passes through.

The toric transmission main part 147 of toric transmission 73 has: be installed in the driving pulley 151 on the bent axle 141, be installed in the driven pulley 153 on the driven shaft 152, and the V that sets up respectively on described driving pulley 151 and driven pulley 153 is with 154.

Driving pulley 151 is made of fixedly halfbody 156 and movable halves 157, and fixedly halfbody 156 is installed in the end of bent axle 141, movable halves 157 with respect to this fixedly halfbody 156 approach or away from mode be combined sliding freely with bent axle 141 by spline.

Driven pulley 153 is by fixedly halfbody 161 and movable halves 163 consist of, fixedly halfbody 161 is installed on the driven shaft 152, movable halves 163 with respect to this fixedly halfbody 161 approach or away from mode be combined sliding freely with driven shaft 152 by spline, and by 162 pairs of movable halves 163 application of forces of compression coil spring so that its approaching fixedly halfbody 161.In addition, symbol 165 expressions are arranged on the multi-plate power-transfer clutch on the driven shaft 152.

Negative thread 111a, the 111b that above-mentioned pedal-rod 26 is installed is the below that pedal-rod installation portion 171 is configured in crankshaft room 142, and negative thread 116c, 116d that pedal-rod 26 is installed are the below that pedal-rod installation portion 172 is configured in change-speed box chamber 146.Particularly, negative thread 111a, 116c be configured in bent axle 141 under.

And negative thread 111c, 111d, the 112a that above-mentioned side jiffy stand 27 is installed is the below that side jiffy stand installation portion 173 is configured in Transmission Room 144.

Negative thread 111c, 111d, 112a all are disposed at the inboard that more is configured in the fore-and-aft direction width of multi-plate power-transfer clutch 165 than driven shaft 152 by the position, particularly negative thread 111c, 112a at rear.

As shown in Figure 7, rear lower installation portion surface below 89 is along with the mode that more rearward and more uprises forms, lower surface at this rear lower installation portion 89 is formed with outstanding three lug boss 72b (only illustrating two lug boss 72b) downwards, is formed with respectively negative thread 111c, the 111d, the 112a that consist of side jiffy stand installation portion 173 and ( negative thread 111c, 111d only is shown on described lug boss 72b.)。In addition, on front upper part installation portion 87 and upper back installation portion 88, also have bolt insertion hole 72d.

So, by at rear lower installation portion 89 lug boss 72b being set, can in the situation of the size that does not increase rear lower installation portion 89, improve intensity.

The driven shaft 152 of toric transmission 73 is arranged on high position with respect to bent axle 141, the S. A. 92 of starter pedal 91 (with reference to Fig. 2) be configured in than under the driven shaft 152 more by bent axle 141 (than under the driven shaft 152 more on the front) the position, side jiffy stand installation portion 173 be configured in than under the driven shaft 152 more by the opposition side of bent axle 141 (than under the driven shaft 152 more by the rear) the position.

And when the tip diameter with starter toothed wheel 138 was made as D1, side jiffy stand installation portion 173 (at this, expression negative thread 111c, 111d, 112a add the part of 3 lug boss 72b) was to dispose in the overlapping mode of fore-and-aft direction with starter toothed wheel 138.That is, side jiffy stand installation portion 173 and starter toothed wheel 138 are configured on the equal height.In addition, symbol 174 expression is installed in the drive sprocket on the output shaft 175 of toric transmission 73, at the added chain that is provided with of driven sprocket of this drive sprocket 174 and trailing wheel 41 (with reference to Fig. 1) side.

As shown in Figure 8, upper back installation portion 88, rear lower installation portion 89 are installed on the body shell by bolt 176 respectively, and side jiffy stand support 81 is installed in three lug boss 72b by bolt 123 respectively and (the lug boss 72b at two places only is shown.) on, wherein, the bottom of lug boss 72b and rear lower installation portion 89 is set to one.

The lower surface of the head 123a of bolt 123 is positioned at the top position that exceeds height H with respect to the lower surface of crankcase 72, specifically, be positioned at the position that exceeds the top of height H with respect to the lower surface (that is, the lower surface of lug boss 72a) of pedal-rod installation portion 171,172 (the only symbol 172 of side in face of the diagram).

Thus, bolt 123 is difficult to run into slungshot from the below etc.

Fig. 9 represents side jiffy stand 27 erected and state that the vehicle body that includes engine installation 24 is tilted with respect to ground 175.

Under this state, step on starter pedal 91 even remember moving driving engine, as shown in the figure, the front end of starter pedal 91 is run into ground 175, also can hinder the starting of driving engine.

If side jiffy stand 27 is lifted and vehicle body is not tilted, then can utilize starter pedal 91 fire an engines.

Fig. 1 described above; Fig. 5; shown in Figure 6; installation portion (the pedal-rod installation portion 171 that has pedal-rod 26 at the lower surface of the engine case 120 that consists of driving engine 71; 172) two-wheeled 10 in; lower surface at engine case 120 is provided with side jiffy stand installation portion 173; because this side jiffy stand installation portion 173 is arranged on and pedal-rod installation portion 171; 172 in position that fore-and-aft direction separates; so pedal-rod installation portion 171; 172 volumes can not increase; thereby can guarantee two-wheeled 10 road clearance, and can guarantee the supporting rigidity of side jiffy stand 27.

Fig. 2 described above, Fig. 5, shown in Figure 6, on engine case 120, at least at an upper portion thereof be provided with front upper part installation portion 87, upper back installation portion 88 and rear lower installation portion 89 as the engine case installation portion with the rear portion, be provided with pedal-rod installation portion 171,172 in the front portion of engine case 120, be provided with side jiffy stand installation portion 173 at the rear portion of engine case 120, thus can engine case 120 and body shell in conjunction with the high position of rigidity support side jiffy stand 27 securely.

Fig. 5 described above, shown in Figure 6, the front portion of engine case 120 has crankshaft room 142, the rear portion of engine case 120 has Transmission Room 144, below crankshaft room 142, be provided with pedal-rod installation portion 171, below Transmission Room 144, be provided with side jiffy stand installation portion 173, pedal-rod installation portion 171 and side jiffy stand installation portion 173 can separately be arranged on the below of crankshaft room 142 and the below of Transmission Room 144 thus, thereby can make the load that acts on pedal-rod installation portion 171 and the side jiffy stand installation portion 173 be distributed to the front and back of engine case 120.

Described above shown in Figure 6, set up toric transmission 73 at driving engine 71, this toric transmission 73 has as the driving pulley 151 of drive division with as the driven pulley 153 of the follower that is driven by this driving pulley 151, pedal-rod installation portion 172 is configured in the below of driving pulley 151, in the engine case 120 of setting up toric transmission 73, can disperse load by pedal-rod installation portion 172 and side jiffy stand installation portion 173 thus.

Engine case 120 has the crankcase 72 that is formed with crankshaft room 142 and Transmission Room 144, this crankcase 72 is divided into two-part left and right sides crankcase 111,112 by the overall width direction of extending at bent axle 141 and consists of, side jiffy stand installation portion 173 is striden described left and right sides crankcase 111,112 and is arranged, can make thus the installation width of side jiffy stand installation portion 173 become large, can be easy to guarantee the supporting rigidity of side jiffy stand 27.

Engine case 120 has the crankcase 72 that is formed with crankshaft room 142 and Transmission Room 144, the change-speed box case 115 of taking in toric transmission 73 is arranged on the overall width direction outside of crankcase 72, pedal-rod installation portion 171,172 is striden left and right sides crankcase 111,112 and change-speed box case 115 and arranging, therefore, can make pedal-rod installation portion 171,172 installation width become large, can be easy to guarantee the supporting rigidity of pedal-rod 26.

And, crankcase 72 is divided into two-part left and right sides crankcase 111,112 by the overall width direction of extending at bent axle 141 and consists of, pedal-rod installation portion 171,172 is striden left and right sides crankcase 111,112 middle distance change-speed box casees, 115 sides' far away crankcase (left crankcase 111) and change-speed box case 115 and is arranged, can make thus to become about pedal-rod installation portion 171,172 installation width pedal-rod 26 is installed greatly, thereby can more be easy to guarantee the supporting rigidity of pedal-rod 26.

Fig. 2 described above, shown in Figure 6, when observing in the side, below driving engine 71, extends towards the back upper place in driving engine 71 sides by pedal-rod 26, side at engine case 120 (being in detail crankcase 72) is provided with the starter pedal 91 that consists of engine starting gear, the S. A. 92 of this starter pedal 91 is outstanding to the side from crankcase 72 sidepieces, and be configured in than pedal-rod installation portion 171,172 and side jiffy stand installation portion 173 position closer to the top, the S. A. 92 of described starter pedal 91, pedal-rod installation portion 171,172 and side jiffy stand installation portion 173 be configured in respectively leg-of-mutton top, thus, when operation starter pedal 91, pedal-rod installation portion 171,172 and side jiffy stand installation portion 173 can not become obstacle, the operability of starter pedal 91 can be guaranteed, and pedal-rod installation portion 171 can be disposed compactly, 172, side jiffy stand installation portion 173 and starter pedal 91.

Industrial applicibility

The present invention is applicable to two-wheeled.

Claims (9)

1. One kind two-wheeled, its lower surface at the engine case that consists of driving engine has the pedal-rod installation portion that pedal-rod is installed, described two-wheeled being characterised in that,

   Lower surface at described engine case is provided with side jiffy stand installation portion, and this side jiffy stand installation portion is arranged on described pedal-rod installation portion in the position that fore-and-aft direction separates,

   Described engine case has the crankcase main body that is made of crankshaft room and Transmission Room, and this crankcase is divided into two-part left and right sides crankcase by the overall width direction of extending at bent axle and consists of, and strides described left and right sides crankcase described side jiffy stand installation portion is set.
2. 2. according to claim 1 two-wheeled, it is characterized in that,

   In described engine case, at least at an upper portion thereof be provided with the engine case installation portion of installing to body shell with the rear portion, be provided with described pedal-rod installation portion in the front portion of described engine case, be provided with described side jiffy stand installation portion at the rear portion of described engine case.
3. 3. according to claim 1 and 2 two-wheeled, it is characterized in that,

   The front portion of described engine case has crankshaft room, and the rear portion of engine case has Transmission Room, is provided with described pedal-rod installation portion below described crankshaft room, is provided with described side jiffy stand installation portion below described Transmission Room.
4. 4. according to claim 1 two-wheeled, it is characterized in that,

   Described driving engine has been set up toric transmission, the follower that this toric transmission has drive division and driven by this drive division, and described pedal-rod installation portion is configured in the below of described drive division.
5. 5. according to claim 4 two-wheeled, it is characterized in that,

   The change-speed box case of taking in described toric transmission is arranged on the overall width direction outside of described crankcase, and described pedal-rod installation portion is striden described left and right sides crankcase and described change-speed box case and arranged.
6. 6. according to claim 5 two-wheeled, it is characterized in that,

   Described pedal-rod installation portion is striden the described change-speed box case of a described left and right sides crankcase middle distance side's far away crankcase and described change-speed box case and is arranged.
7. 7. according to claim 1 two-wheeled, it is characterized in that,

   When observing in the side, below described driving engine, extends towards the back upper place in the driving engine side by described pedal-rod,

   Be provided with the starter pedal that consists of engine starting gear in the side of described engine case,

   The S. A. of this starter pedal is outstanding to the side from described engine case sidepiece, and be configured in than described pedal-rod installation portion and described side jiffy stand installation portion position closer to the top, the S. A. of described starter pedal, pedal-rod installation portion and side jiffy stand installation portion are configured in respectively leg-of-mutton top.
8. 8. according to claim 2 two-wheeled, it is characterized in that,

   Described side jiffy stand installation portion is made of lug boss, and this lug boss is formed on the described engine case installation portion in outstanding downwards mode.
9. 9. according to claim 4 two-wheeled, it is characterized in that,

   Be provided with the starter pedal that consists of engine starting gear in the side of described engine case,

   Described follower possesses driven shaft,

   The S. A. of described starter pedal is configured in than described driven shaft more on the lower and with respect to the position that relies on the axle drive shaft that described drive division is installed under the driven shaft,

   Described side jiffy stand installation portion is configured in the position that forward laps with starter toothed wheel, and with respect to being configured in a side opposite with described axle drive shaft under the described driven shaft, wherein said starter toothed wheel is installed on the described S. A. of described starter pedal.

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