CN100554075C - Motor bike - Google Patents
Motor bike Download PDFInfo
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- CN100554075C CN100554075C CNB2007101366778A CN200710136677A CN100554075C CN 100554075 C CN100554075 C CN 100554075C CN B2007101366778 A CNB2007101366778 A CN B2007101366778A CN 200710136677 A CN200710136677 A CN 200710136677A CN 100554075 C CN100554075 C CN 100554075C
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- extraneous air
- airfilter
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Abstract
The present invention discloses a kind of motor bike, and wherein: the power unit that is made of driving engine and driving device is by the vehicle frame swinging mounting; The trailing wheel pivot is in the rear portion of the transmission gearbox that holds driving device; Airfilter (75) is arranged in transmission gearbox (31) top.Wherein, extraneous air conduit (86) is connected on the transmission gearbox (31), by the extraneous air conduit extraneous air is introduced the coolant air introducing port (82) that is located in the transmission gearbox (31), to cool off V-belt formula toric transmission (29) by the use extraneous air; The channel formation part (86a) that is connected on the airfilter (75) forms passage (100), by passage extraneous air is introduced to be located in the airfilter (75) in the extraneous air introducing port (85) of open front, and channel formation part (86a) is integrally formed with extraneous air conduit (86).Thus, air is introduced airfilter and transmission gearbox from the outside, reduce the part count and the arrangement space of motor scooter simultaneously.
Description
Technical field
A first aspect of the present invention relates to a kind of motor bike, motor scooter particularly, wherein: the power unit that is made of driving engine and driving device is by the vehicle frame swinging mounting, wherein the cylinder-bore axis of engine body turns forward, driving device comprises the V-belt formula toric transmission of the output of continuous transformation driving engine, driving device is located between driving engine and the trailing wheel, and the sidepiece that power unit extends rearward to trailing wheel is extended to engine body simultaneously; Trailing wheel is pivotally connected to the rear portion of the transmission gearbox that holds driving device; Airfilter is arranged in the transmission gearbox top.
A second aspect of the present invention relates to a kind of for example vehicle-wheel speed sensor of the vehicle of motor bike and the cover structure of analogue of being used for.Described cover structure uses with a first aspect of the present invention, but also requires independent protective.
Background technology
This motor scooter is known by JP-B No.H6-33030, is respectively equipped with an air inlet pipe in transmission gearbox, by this air inlet pipe extraneous air is introduced airfilter inside; With another air inlet pipe, cool off extraneous air by this another air inlet pipe.
, disclose among the JP-B No.H6-33060 in the structure of motor scooter, need be used for the different air inlet pipe of each airfilter and transmission gearbox, increased the number of parts, must guarantee to be used for the big relatively space that air inlet pipe is arranged in addition.
Propose a kind of structure in the past, wherein: comprise the transmission gearbox that holds the belt change-speed box, described belt change-speed box transmits the propulsive effort of driving engine; The front portion of transmission gearbox is by the vehicle frame swinging mounting, and hind axle is by the rear support of transmission gearbox; Gear and the gear case that holds these gears are located at the rear portion of transmission gearbox, send the output of belt change-speed box to axle by these gears; Vehicle-wheel speed sensor is connected on the gear case, and vehicle-wheel speed sensor is used to detect the rotating speed as the trailing wheel of wheel velocity information; The cover element that is used to cover vehicle-wheel speed sensor is connected to gear case (for example, seeing JP-A No.2002-205633).
, the past problem is that for the whole vehicle-wheel speed sensor in the covering sensor cover structure it is complicated that the shape of this element becomes.
On the other hand, when arranging vehicle-wheel speed sensor with being located at the opposed while of trailing wheel in-to-in sensor ring with its whole rotation, the expectation sensor wrap has the structure of inhibition to the influence of trailing wheel shape and unspringing weight.
Summary of the invention
Consider that above-mentioned situation to realize the present invention, an object of the present invention is to provide a kind of motor scooter, wherein can reduce the number and the arrangement space of parts, extraneous air can be introduced airfilter and transmission gearbox.
In order to realize above-mentioned purpose, the invention provides a kind of motor scooter, wherein: the power unit that is made of driving engine and driving device is by the vehicle frame swinging mounting, the cylinder-bore axis of engine body turns forward in driving engine, driving device comprises the V-belt formula toric transmission of the output of continuous transformation driving engine, and be located between driving engine and the trailing wheel, the sidepiece that power unit extends rearward to trailing wheel is extended to engine body simultaneously; Trailing wheel is pivotally connected to the rear portion of the transmission gearbox that holds driving device; Airfilter is arranged in the transmission gearbox top, wherein: the extraneous air conduit is arranged on the transmission gearbox, introduce the coolant air introducing port that is located in the transmission gearbox by described extraneous air conduit extraneous air, to cool off V-belt formula toric transmission by the use extraneous air; The channel formation that is connected on the airfilter partly forms passage, extraneous air is introduced being located in the airfilter in the extraneous air introducing port of open front by passage, and the channel formation part is integrally formed with the extraneous air conduit.And, be located at channel formation front portion partly to the admission port that is used for airfilter of open front, and form passage from the admission port that is used for airfilter to the extraneous air introducing port in the mode of substantial linear.
Preferably, the admission port that is used for transmission gearbox that is arranged in the admission port below that is used for airfilter is located at the extraneous air conduit, makes the described admission port opening that is used for transmission gearbox forward.
Preferably, be located at the extraneous air conduit at coolant air introducing port and the counter wall portion that is used between the admission port of transmission gearbox, opposed from the rear portion simultaneously with the admission port that is used for transmission gearbox.
According to the present invention, the channel formation part is integrally formed with the extraneous air conduit that is connected to transmission gearbox, thereby extraneous air is introduced transmission gearbox inside, by described passage extraneous air is introduced the extraneous air introducing port of airfilter, and channel formation is connected on the fil partly.Therefore,, can simplify air intake structure, therefore reduce its required space when reducing when being used for that extraneous air introduced the required part count of transmission gearbox and airfilter.
According to the present invention, can minimize the air flow resistance that flows through the channel formation part, and can effectively extraneous air be introduced the inside of airfilter from the front portion.
According to the present invention, when coolant air is introduced transmission gearbox from the outside, can minimize the extraneous air conduit is hanging to outside used number from transmission gearbox.
And, according to the present invention, even when foreign body enters the extraneous air catheter interior from the admission port that is used for transmission gearbox to open front, counter wall portion prevents that foreign body from directly moving towards the coolant air introducing port of transmission gearbox, therefore prevents the flow elernent of foreign body bump around the coolant air introducing port.
Description of drawings
Fig. 1 is the left side view of motor scooter according to a first aspect of the invention;
Fig. 2 is the left side view of power unit and trailing wheel;
Fig. 3 is the cutaway view of the line 3-3 in Fig. 2;
Fig. 4 is the transparent view of transmission gearbox, airfilter and extraneous air conduit;
Fig. 5 is the lateral plan of extraneous air conduit;
Fig. 6 is the cutaway view of the line 6-6 in Fig. 5;
Fig. 7 is the left side view of the motor bike among the embodiment of a second aspect of the present invention;
Fig. 8 is the expansion cutaway view of the driving engine of motor bike;
Fig. 9 is the expansion cutaway view of the Power train of motor bike;
Figure 10 is the transparent view of the transmission gearbox of Power train, from the rear, top at diagonal angle to observing with the outside from vehicle-width direction;
Figure 11 is the transparent view of transmission gearbox, from the rear, top at diagonal angle to observing with inboard from vehicle-width direction;
Figure 12 is an enlarged view of removing associated components under the state of the sensor wrap element among Figure 11;
Figure 13 is the front elevation of the ball-bearing casing of transmission gearbox supporting;
Figure 14 is the cutaway view along the line A of Figure 13;
Figure 15 is the cutaway view along the line B of Figure 13;
Figure 16 is the cutaway view along the line C of Figure 13;
Figure 17 is the front elevation that the bearing seat modified example partly of transmission gearbox is shown.
The specific embodiment
Below, based on the embodiments of the invention shown in the accompanying drawing the present invention is described.
At first in Fig. 1, the motor scooter vehicle frame F with low base plate 11 comprises that head pipe 13 is connected the left and right sides vehicle frame 14 of managing to the end on 13 with a pair of leading section, and a pipe can support the front fork 12 of pivot front-wheel WF with turning to.Each sidecar frame 14 mainly has following vehicle frame part 14a, and from the beginning the described part of vehicle frame is down managed 13 and hung downwards; With the bottom vehicle frame part 14b that the mode that is extended to down vehicle frame part 14a lower end forms, vehicle frame part in described bottom extends to the rear portion 11 times at base plate, and its latter half tilts to rise to the rear portion; Rising vehicle frame part 14c, it is extended to the rear end of bottom vehicle frame part 14b, and upwards rises at base plate 11 rear portions; With back seat cross bar part 14d, its rear end from rising vehicle frame part 14c extends to the rear portion, with supporting saddle 15.Form each sidecar frame 14 by the single pipe of bending.
Between the front portion of the rear portion of the bottom of sidecar frame 14 vehicle frame part 14b and back seat cross bar part 14d, be provided with rear portion subframe 16, be located at vehicle frame part 14b below, bottom and at the rear portion of the rising vehicle frame part 14c of sidecar frame 14.Between two sidecar framves 14 and two rear portion subframes 16, be provided with pivot plate 17.
By the driving engine E that is arranged in rear wheel WR front side be arranged in the power unit P that the driving device M in rear wheel WR left side forms, mode with vertical oscillation is supported by the pivot plate 17 that vehicle frame F was comprised by connecting rod mechanism 18, so that power unit P can vertical oscillation.Rear wheel WR pivot is to the rear portion of power unit P.
Among Fig. 2 and 3, the engine body 19 of single-cylinder water-cooling four-stroke motor E comprise by joint be divided into crankcase 20 that two left and right sides crankcase halfbody 20L and 20R form, with crankcase 20 bonded assembly cylinder blocks 21, with cylinder block bonded assembly cylinder head 22 and with cylinder head 22 bonded assembly housings 23.Piston 25 is fixed in cylinder 24 swingably, and cylinder has and is tilted to anterior cylinder-bore axis a little and is located in the cylinder block 21.The bent axle 26 that extends at the Width of vehicle frame F is by crankcase 20 swivel bearings, and piston 25 is connected on the bent axle 26 by connecting rod 27 and Crankpin 28.
Driving device M is made of V-belt formula stepless speed changing mechanism 29 and train of reduction gears 30, train of reduction gears has reduced the output speed of stepless speed changing mechanism 29, be transferred to the axle of rear wheel WR with the speed that will reduce, and driving device is extended to crankcase 20, so that be contained in left at trailing wheel WR in the transmission gearbox 31 that extends.
V-belt formula toric transmission 29 is made of driving pulley 39, driven pulley 40 and V-arrangement endless belt 41, driving pulley 39 is installed in an end that extend out to Transmission Room 37 in-to-in bent axles 26 from crankcase 20, driven pulley 40 is installed on the output shaft 42, output shaft 42 has the axis of parallel bent axle 26, and output shaft is by interior case 34, outer container 35 and gear case 36 swivel bearings, and power is transferred to driven pulley 40 by V-arrangement endless belt 41 from driving pulley 39.
Be provided with centrifugal clutch 53 between the inner casing 47 of driven pulley 40 and output shaft 42, centrifugal clutch became the power transmission state when engine speed surpassed setting speed.Disc spring 52 around outer shell 48 is located between sliding bell wheel halfbody 50 and the dial 54 in the mode of shrinking, and dial 54 constitutes the part of centrifugal clutch 53, and coaxial being connected on the inner casing 47, so that not rotation relatively.
Gap between tight pulley halfbody 49 in the driven pulley 40 and the sliding bell wheel halfbody 50 is determined at the spring force and the effect equilibrium of forces of V-belt 41 on the direction that the spacing between tight pulley halfbody 49 and the sliding bell wheel halfbody 50 increases of axially generation at the power that axially produces, disc spring 52 by torque cam mechanism device 51.When more making that near the tight pulley halfbody in the driving pulley 39 43 the V-belts 41 winding radiuses that center on driving pulley 39 become big by permission sliding bell wheel halfbody 44, the V-belt 41 that centers on driven pulley 45 twines radiuses and diminishes.
One end of the axle 55 of air impervious trailing wheel WR penetrates gear case 36, so that stretch into transmission gearbox 30, and axle 55 is by interior case 34 and gear case 36 swivel bearings.The train of reduction gears of being located between output shaft 42 and the axle 55 30 is contained in the gear chamber 38.
The swing arm 56 that extends to the crankcase 20 of engine body 19 is arranged in the right side of trailing wheel WR, and the other end of axle 55 is by the rear portion swivel bearing of swing arm 56.In addition, as shown in Figure 1, back buffer cell 57 is located between the rear portion of the rear portion of interior case 34 of the transmission gearbox 30 in the vehicle frame F and left seat crossbar part 14d.
Focused view 3, outer rotor 58 is fixed on the other end of bent axle 26, bent axle 26 rotations penetrate the right crankcase halfbody 20R in the crankcase 20, and internal stator 59 is fixed on the right cover 61, internal stator by outer rotor 58 around, so that constitute electrical generator 60 with outer rotor 58, right cover is fastened to right crankcase halfbody 20R and goes up so that cover electrical generator 60.
By way of parenthesis, between cylinder head 22 and housing 23, accommodate valve system 63, valve system drives the opening and closing of air inlet valve 71 (see figure 2)s and blow off valve 72 (see figure 2)s, the air inlet valve control air enters the combustion chamber 62 between the cylinder head 22 at the top that is formed at cylinder block 21 and has piston 25, the exhaust of blow off valve control combustion chamber 62, the camshaft 64 that contains in the valve system 63 is by cylinder head 22 supportings, so that camshaft can be around the axis rotation that is parallel to bent axle 26.
Send the camshaft 64 with reduction ratio of 1/2 from the power of bent axle 26 to by synchronous drive mechanism 65, synchronous drive mechanism 65 is formed by the drive sprocket 66 on the bent axle of being located between right crankcase halfbody 20R and the electrical generator 60 26, the ring chain 68 that is fixed in the driven sprocket 67 on the camshaft 64 and twines two sprocket wheels 66 and 67.Allow the chain passage 69 of chain 68 runnings to be located in cylinder block 21 and the cylinder head 22.
The air system 74 that has an airfilter 75 at upstream extremity is connected to the upper side of the cylinder head 22 in the engine body 19, and airfilter is arranged in the top of transmission gearbox 31, and by transmission gearbox 31 supportings.Air system 74 comprises airfilter 75, upstream extremity and airfilter bonded assembly air inlet pipe 76, is located at the downstream end of air inlet pipe 76 and the tb 77 between the cylinder head 22.Fuel injection valve 78 is connected on the cylinder head 22, by fuel injection valve fuel is sprayed in the air that tb 77 measures.
In addition, the exhaust system 79 that is connected to the downside of cylinder head 22 is connected to the bottom of cylinder head 22, and exhaust system is extended to the right side of trailing wheel WR by the right lower quadrant from engine body 19 freeing pipe 80 forms with the exhaust muffler 81 that is connected with freeing pipe 80 and be arranged in the right side of trailing wheel WR.
Focused view 3, corresponding to driving pulley 39, the outside face of the part outer container 35 in the transmission gearbox 31 forms the recess 89 that concaves, so that to open front or vertical openings, and coolant air introducing port 82 is located in the outer container 35, so that coolant air introducing port 82 is towards recess 89 openings, extraneous air is by coolant air introducing port cooling V-belt formula toric transmission 29.The outer face of the tight pulley halfbody 43 in fan 83 and the driving pulley 39 is integrally formed, by fan 83 air is introduced Transmission Rooms 37 from coolant air introducing port 82, so that scatter in Transmission Room 37.
By way of parenthesis, the left outside face that is arranged in the cleaning box 84 in the airfilter 75 of transmission gearbox 31 tops is positioned at basically the position corresponding to the left outside face of transmission gearbox 31, the i.e. outside of outer container 35.As shown in Figure 4, the front portion outside the left side of cleaning box 84 is provided with assembling cylinder part 84a, and its front end is arranged backward according to coolant air introducing port 82.Extraneous air introducing port 85 is located at the front end of assembling cylinder part 84a simultaneously to open front, by extraneous air introducing port 85 outside air is introduced airfilter 75.
With reference to Fig. 5 and 6, extraneous air conduit 86 is made of tube body 87 and the cover plate 88 that forms that expand laterally simultaneously, and cover plate 88 is connected on the tube body 87, so that cover the open end of tube body 87.Around the coolant air introducing port 82,, form extraneous air conduit 86 with circle basically, and be anchored on recess 89, so that not outstanding laterally from transmission gearbox 31 corresponding to the recess 89 of the outside face that is formed at the outer container 35 in the transmission gearbox 31.That is, the tube body 87 of formation extraneous air conduit 86 and cover plate 88 are anchored on the outer container 35 by using a plurality of for example 3 screw rods 91 with the state of cover plate 88 near the open end (being outer container 35) of recess 89.
Externally in the air lead 86, be provided with peristome 92 corresponding to coolant air introducing port 82 near the cover plate 88 of outer container 35.Support 94 is around peristome 94, and is integrally formed in the inside face of the tube body 87 with relative spacing, forms a plurality of through holes 93 in support 94 in a circumferential direction at interval.Annular filter element 95 is on support 94, and ring-shaped bearing projection 96 and 97 is located at respectively in tube body 87 and the cover plate 88, and each ring-shaped bearing projection is by penetrating and fixing flow elernent 95 with two side engagement of flow elernent 95.
By flow elernent 95 is installed, extraneous air conduit 86 is divided into decontamination chamber 98 and is positioned at flow elernent 95 exterior non-decontamination chambers 99, and decontamination chamber 98 is formed at 95 inner whiles of flow elernent and 82 circulations of coolant air introducing port.
In the front portion of channel formation part 86a, be provided with opening admission port that is used for airfilter 105 forward and the path 10 0 that forms in the substantial linear mode from the admission port 105 that is used for airfilter 105 to extraneous air introducing port 85.
The front portion of air lead 86 externally, be provided with admission port 106 that is used for transmission gearbox and a plurality of shutter blades 107 of arranging in admission port 106 perpendicular separations that are used for transmission gearbox, the admission port 106 that is used for transmission gearbox is arranged in the below of the admission port 105 that is used for airfilter, so that to front opening.These shutter blades 107 are integrally formed with the inside face of the mode of projection and cover plate 88.
In addition, externally in the non-decontamination chamber 39 of air lead 86, arranged at coolant air introducing port 82 and be used for counter wall portion 108 between the admission port 106 of transmission gearbox, so that counter wall portion 108 is opposed with the admission port 106 that is used for transmission gearbox from the rear portion, and counter wall portion 108 is also integrally formed with the inside face of outstanding mode and cover plate 88.
Then, will the effect of embodiment be described.Introduce the coolant air introducing port 82 that is located in the transmission gearbox 31 by extraneous air conduit 86 from air outside and cool off V-belt formula toric transmission 29 in the transmission gearbox 31 to pass through the use extraneous air, extraneous air conduit 86 is connected on the outer container 35 of transmission gearbox 31.The channel formation part 86a that is connected on the airfilter 75 forms path 10 0, by path 10 0 extraneous air is introduced the opening extraneous air introducing port 85 forward be located in the airfilter 75, and channel formation part 86a and extraneous air conduit 86 are integrally formed.Therefore,, can simplify air intake structure, therefore reduce its required space when reducing when being used for that extraneous air introduced the inner required part count of transmission gearbox 31 and airfilter 75.In addition, the left outside face of transmission gearbox 31 is positioned at basically position corresponding to the left outside face of airfilter 75 in an embodiment.Therefore, by on the surface substantially the same, forming channel formation part 86a, can further simplify the shape of extraneous air conduit 86 and channel formation part 86a with extraneous air conduit 86.
Be located at the front portion of channel formation part 86a to the admission port that is used for airfilter 105 of open front, and the path 10 0 among the channel formation part 86a extends to the extraneous air introducing port 85 of airfilter 75 from the admission port 105 that is used for airfilter in the mode of substantial linear.Therefore, the air flow resistance that flows through channel formation part 86a can be minimized, and the inside of airfilter 75 can be effectively extraneous air introduced from the front portion.
In addition, the admission port that is used for transmission gearbox 106 that is arranged in admission port 105 belows that are used for airfilter is located at extraneous air conduit 86, makes it to open front.Therefore, when coolant air is introduced transmission gearbox 31 from the outside, can minimize extraneous air conduit 86 is hanging to outside used number from transmission gearbox 31.
In addition, be located at extraneous air conduit 86 at coolant air introducing port 82 and the counter wall portion 108 that is used between the admission port 106 of transmission gearbox, opposed from the rear portion simultaneously with the admission port 106 that is used for transmission gearbox.Therefore, even when foreign body enters extraneous air conduit 86 inside from the admission port that is used for transmission gearbox 106 to open front, counter wall portion 108 prevents that foreign body from directly moving towards the coolant air introducing port 82 of transmission gearbox 31, therefore prevents the flow elernent 95 of foreign body bump around coolant air introducing port 82.
Below, the embodiment that describes with reference to the accompanying drawings in a second aspect of the present invention.Should be noted that unless otherwise indicated, the front, rear, left and right in the following description and the direction of analogue are identical with the direction of vehicle.In addition, arrow FR, LH among the figure and UP represent preceding a, left side and the top of vehicle respectively.
In the motor scooter 101 of the low floor type vehicle shown in Fig. 7, vehicle frame F comprises the head pipe 113 and the front fork 111 of front end, and the front fork pivot is turned to the front-wheel WF and the steering handle 112 of supporting by head pipe 113.In addition, whole oscillating-type power unit (hereinafter referred to as swing unit) U is arranged in the back downside of vehicle frame F, and wherein driving engine E (driving engine of motor bike 101) is arranged in the front portion, and the axle S of trailing wheel (drive wheel) WR is arranged in the rear portion.
The preceding downside of swing unit U is supported at the rear portion of vehicle frame F by connecting rod element 161 in the mode of vertical oscillation.On the other hand, the rear end of vehicle frame F is by the rear end of posterior bumper 107 supporting swing unit U, and posterior bumper is a shock absorption device.Can make swing unit U with trailing wheel WR vertical oscillation by playing pivot near the permission connecting rod element 161, and constitute the rear linkage of so-called unit oscillating-type.
Vehicle frame F comprises the following vehicle frame 114 on top, a pair of left and right sides, and from the beginning the following vehicle frame on each top is managed 113 and extended downwardly into the rear portion; With the following vehicle frame 115 of bottom, a pair of left and right sides, from the beginning the following vehicle frame of each bottom is managed 113 and is extended downwardly into the rear portion below the following vehicle frame 114 on top, and bending extends back then.The rear portion of the following vehicle frame 115 of each bottom is as the 115a of rear-inclined portion, and the bending of rear-inclined portion extends up to the rear portion, and the rear end of the following vehicle frame 114 on each top is connected with the downside of the 115a of rear-inclined portion.
Each front end that is inclined upward to a pair of left and right sides seat rail 16 at rear portion is connected to the rear portion of the following vehicle frame 114 on each top, and the upper end of each 115a of rear-inclined portion is connected to the centre portion of each seat rail 116.Support 110 is located between the centre portion of the rear portion of each seat rail 116 and each 115a of rear-inclined portion in heterotropic mode.Vehicle frame F mainly is made of the following vehicle frame 114 on head pipe 113, top, following vehicle frame 115, seat rail 116 and the support 110 of bottom.
Car cover 119 covers around the vehicle frame F.The front and back formula drives seat 150 is arranged in car cover 119 rear portions in the mode that can open and close top.The goods container case 118 that can hold the helmet and analogue is arranged in and drives seat 120 below and the top of power unit U.
Be arranged on the anterior driving engine E of swing element and the power drive M formation swing unit U in its back left side by integral body.
Driving engine E is a single cylinder engine, guide its bent axle 131 at left and right directions (overall width direction), and structure driving engine E makes permission cylinder portion 122 front end from crankcase 121 on the substantial horizontal direction give prominence to (more detailed, as to allow the cylinder portion 122 outstanding front portions that slightly are inclined upwardly simultaneously) forward.
With reference to Fig. 8, crankcase 121 is divided into left and right box halfbody 121a and 121b simultaneously.The whole formation of the left case halfbody 121a of a left side case body 123a and crankcase 121, the left case body left part that dangles from the back left side of left case halfbody 121a extends back then.Left side case body 123a constitutes the transmission gearbox 123 among the Power train M with the left case cover 123b that is connected to its left side.Right case cover 121c is connected to the right side of crankcase 121.
Power train M comprises Belt-type Adjustable-speed mechanism 124 and gear type speed reduction gearing 125 (see figure 9)s, the propulsive effort of the continuous transformation driving engine E of Belt-type Adjustable-speed mechanism, the gear type speed reduction gearing has reduced the output speed of Belt-type Adjustable-speed mechanism 124, so that the speed that reduces is exported to a S.Belt-type Adjustable-speed mechanism 124 is contained in the transmission gearbox 123 on the fore-and-aft direction of case 123, and go up on the gear type speed reduction gearing 125 back right side (inboard of overall width direction) that is contained in transmission gearbox 123 and in the external tooth roller box 126 of transmission gearbox 123.Axle S is projected into right part from gear case 126, and trailing wheel WR is connected on the S.Gear case 126 can be located at the inside of transmission gearbox 123, and gear case 126 and transmission gearbox can wholely be provided with, rather than is provided with respectively.
Cylinder portion 122 mainly is made of the cylinder blocks 132 of the front end that is connected to crankcase 121, the cylinder head 133 of front end that is connected to cylinder block 132 and the housing 133a that is connected to the front end of cylinder head 133.
The rotary power of bent axle 131 is sent to a S by Power train M.
The Belt-type Adjustable-speed mechanism 124 of structure Power train M makes V-belt 203 on driving pulley 201 and driven pulley 202, and continuously changes reduction ratio with respect to the rotary power in the preset range together with the change of the rotating speed of bent axle 131.Driving pulley 201 is arranged in the anterior and coaxial with bent axle 131 of transmission gearbox 123, and driven pulley 202 is arranged in the rear side of driving pulley 201, promptly in the rear portion of transmission gearbox 123.
The right part of bent axle 131 has been constructed the generator shaft 131a that further extends to right part from right axle journal 131c, and generator shaft 131a supporting is contained in driving engine 137 among the right case cover 121c.In addition, be used for driving the drive sprocket 151 coaxial near-ends that are located at generator shaft 131a of the camshaft 152 of cylinder head 133.
Air inlet/exhaust cam 152a and the 152b left and right sides centre portion that is located at camshaft 152 parallel to each other, and the input end of air inlet side rocking arm 156a or exhaust side rocking arm 156b is near air inlet/exhaust cam 152a and 152b.When as previously discussed rotation drive cam shaft 152, each rocking arm 156a and 156b are according to the cam type swing of air inlet/ exhaust cam 152a and 152b, and starting intake air release valve (not shown) opens and closes the air inlet/exhausr port of cylinder head 133.Should be noted that the reference number 138 expression light-up plugs among the figure.
The left part of bent axle 131 has disposed the driving pulley axle 131b that further extends to left part from left axle journal 131c, and the driving pulley 201 of driving pulley axle 131b supporting belt stepless speed changing mechanism 124.Cooling fan 207 is formed at the left side of driving pulley 201.When driving driving engine E, cooling fan 207 is with driving pulley 201 rotations, therefore by the air inlet pipe 123c on the preceding right side that is connected to transmission gearbox 123 extraneous air is imported transmission gearbox 123 inside, thus forced cooling Belt-type Adjustable-speed mechanism 124 and analogue.Be different from the cooling air channels that is used for driving device, the free air diffuser that is used for driving engine is located at air inlet pipe 123c inside.
As shown in Figure 8, driving pulley 201 and the whole rotation of driving pulley axle 131b (bent axle 131).The left part of driving pulley 201 is the tight pulley halfbody 201a that are fixed in driving pulley axle 131b, and its right part is axially can take turns halfbody 201b with respect to the sliding bell that driving pulley axle 131b slides.Each half-pulley 201a and 201b form bowl-shape, and V-shaped groove 201c is formed between half-pulley 201a and the 201b.
On the other hand, simultaneously with reference to Fig. 9, driven pulley 202 is with respect to 204 rotations of driven pulley axle, and driven pulley axle 204 passes through sleeve 205 swivel bearings on the rear side of transmission gearbox 123.The right part of driven pulley 202 is the tight pulley halfbodies 202 that are fixed in sleeve 205, and its left part is axially can take turns halfbody 202b with respect to the sliding bell that sleeve 205 slides.Each half-pulley 202a and 202b form bowl-shape, and V-shaped groove 202c is formed between half-pulley 202a and the 202b.
Just in time cooperate the V-arrangement endless belt 203 of the dip plane of V-shaped groove 201c and 202c to be wound in the V-shaped groove 201c and the 202c inside of two belt pulleys 201 and 202 with predetermined tension.
201b pushes right part to the sliding bell of driving pulley 201 wheel halfbody, promptly away from the sidepiece of tight pulley halfbody 201a.Many weight rollers 206 are arranged in the inboard (right side) of sliding bell wheel halfbody 201b.When the rotation of driving pulley 201 stops (rotation of bent axle 131 stops), sliding bell wheel halfbody 201b slides away from tight pulley halfbody 201a, to widen the left and right sides width of V-shaped groove 201c.Simultaneously, V-belt is around the inner circumferential side of V-shaped groove 201c, and each weight roller 206 is along the shape importing inner circumferential side of sliding bell wheel halfbody 201b.
When driving pulley 201 rotation (bent axle 131 rotations) and rotating speed exceed predetermined value, owing to act on the increase of the centnifugal force of each weight roller 206, weight roller 206 slides into outer circumferential sides gradually, and simultaneously, sliding bell wheel body 201b overcomes thrust power and slides into left part gradually, make that the left and right sides width of V-shaped groove 201c is narrower, and the winding position that is used for V-belt 203 transforms to the outer circumferential sides of driving pulley 201.When the rotating speed of driving pulley 201 reduced, each weight roller 206 slided into inner circumferential side gradually, to turn back to the rotation halted state.Simultaneously, sliding bell wheel halfbody 201b slides into right part gradually, makes the left and right sides width of V-shaped groove 201c wideer, and the winding position that is used for V-belt 203 transforms to inner circumferential side.
On the other hand, 202b pushes right part to the sliding bell in the driven pulley 202 wheel halfbody, promptly towards more near the sidepiece of tight pulley halfbody 202a.When the rotation of driven drive wheel 202 stopped (rotation of driving pulley 201 stops), sliding bell wheel halfbody 202b more approached tight pulley halfbody 202a and slides, so that the left and right sides width of V-shaped groove 201c is narrower.Simultaneously, along the V-belt 203 of the shape of two half-pulley 202a and 202b guiding outer circumferential sides on the outer circumferential sides of V-shaped groove 202c.
When driven pulley 202 rotations (driving pulley 201 rotations), the winding position that is used for V-belt 203 transforms to aforesaid outer circumferential sides.Correspondingly, because the length of V-belt 203 is facts of constant, V-belt 203 makes sliding bell wheel halfbody 202b overcome thrust power and slides to left part gradually, so that the left and right sides width of the V-shaped groove 202c of driven pulley 202 is wideer, and winding position transforms to inner circumferential side.When the rotating speed of driven pulley 202 reduced, sliding bell wheel halfbody 202b slided into right part gradually, turning back to the rotation halted state, and made the left and right sides width of V-shaped groove 202 narrower, transformed to inner circumferential side for use in the winding position of V-belt 203.
As mentioned above, increase or minimizing according to bent axle 131 rotating speeds, it is the rotation of driving engine E, V-belt 203 winding diameters in the driving pulley 201 and winding diameter of the V-belt 203 in the driven pulley 202 changes gradually and each other in inverse ratio, and continuously change automatically with respect to the reduction ratio of the rotary power of bent axle 131, therefore finish stepless change reposefully according to the rotation of driving engine.
On the left side of driven pulley 202, arranged centrifugal clutch 208, this power-transfer clutch connection or the power that disconnects between sleeve 205 and the driven pulley axle 204 transmit.Centrifugal clutch 208 comprises clutch Outside 208a, and clutch Outside forms with cup-shaped and the opposed coaxial driven pulley axle 204 that is fixed in of sliding bell wheel halfbody 202b; Plate-like inner panel 208b is arranged in the clutch Outside 208 inner and coaxial sleeves 205 that are fixed in; With many cradle 208c, the right side that it is connected to the excircle of inner panel 208b makes its diameter to diminish.
Reduce direction at diameter and promote each cradle 208c.When the rotating speed of driven pulley 202 during less than predetermined value, each cradle 208c moves away from clutch Outside 208a, so that inner panel 208b can rotate relatively with clutch Outside 208a, thereby the power that disconnects between sleeve 205 and the driven pulley axle 204 transmits.
On the other hand, when the rotating speed of driven pulley 202 surpasses predetermined value, because centnifugal force has increased the diameter of each cradle 208c, make itself and clutch Outside 208a frictional connection, so that inner panel 208b and clutch Outside 208a can wholely rotate, thereby the transmission of the power between coupling bush 205 and the driven pulley axle 204, to drive driven pulley axle 204.
As shown in Figure 9, the rotary power that sends driven pulley axle 204 to further reduces by gear type speed reduction gearing 125, outputs to trailing wheel WR then.
Hold of the back right side opposed formation of the gear case 126 of gear type speed reduction gearing 125, and be connected to the back right side of transmission gearbox 123 with cup-shaped and transmission gearbox 123.Gear case 126 is set, makes it be projected into right part (inboard of overall width direction), to enter the inboard of trailing wheel WR with respect to the right wall 123e of transmission gearbox 123.The right wall 126a of gear case 126 is away from the right wall 123e of transmission gearbox 123, and right wall 123e and each gear wheel shaft 127,128 and 129 of 126a swivel bearing.The inner space of the gear case 126 that separates with the inner space of transmission gearbox 123 is as the grease chamber.
Configuration gear type speed reduction gearing 125 makes and arrange first gear wheel shaft 127 by driven pulley 204 being extended to right part, and the second and the 3rd gear wheel shaft 128 and 129 is arranged in its rear portion.The 3rd gear wheel shaft 129 is configured in the left side of a S.
The first gear 127a is formed on the excircle of first gear wheel shaft 127, and with first gear 127a engagement and have the coaxial right side that is located at second gear wheel shaft 128 of the second gear 128a of relative big diameter.The 3rd gear 128b is formed on the left excircle of second gear wheel shaft 128, and meshes and have the same left side that is located in the 3rd gear wheel shaft 129 of the 4th gear 129a of sizable diameter with the 3rd gear 128.By each gear 127a, 128a, 128b and 129a, the rotary power of driven pulley axle 204 suitably reduces and is sent to a S.
With reference to Figure 12, the 126b of hub portion of the bolster S among the right wall 126a of gear case 126 is projected into right part (trailing wheel WR side) with respect to flat right wall, and has the shape of the cone that intercepts the top basically simultaneously.Should be noted that the actuating motor of the reference number 139 expression driving engine E among the figure, reference number 107a represents to be used for the connecting bridge of posterior bumper 107 lower ends.
At this, by the right wall of part being displaced to the upper end side (axle S top) in the inboard of overall width direction that recess 126c that left part forms is formed at gear case 126.Recess 126c is set, makes the just in time dip plane of the 126b of cut-out hub portion, and make recess 126c more near the 4th gear 129a of gear case 126.First vehicle-wheel speed sensor 171 that is used for ABS control is connected to the inside of recess 126c, and first vehicle-wheel speed sensor is used for the rotating speed of test example such as trailing wheel WR.
Arrange first vehicle-wheel speed sensor 171, make to allow its test section 171a to be projected into right part (trailing wheel WR side), and allow wiring part 171b to project upwards.Test section 171a and trailing wheel WR in-to-in sensor ring (Ring gear) 171d are opposed.The line 171c that is connected to wiring connecting bridge 171b arranges towards the front portion of swing unit U along the expandable part 175 of cover element 173, will describe later on.
Second vehicle-wheel speed sensor 172 is connected to the back upside (first vehicle-wheel speed sensor, 171 tops and the overall width direction outside) of transmission gearbox 123, and second vehicle-wheel speed sensor is based on the gear rotational speed test example of the gear type speed reduction gearing 125 that is used for engine control such as the rotating speed of trailing wheel WR.Arrange second vehicle-wheel speed sensor 172, make to allow the inside of test section (not shown), and allow wiring connecting bridge 172b to project upwards in the face of transmission gearbox 123.The line 172c that connects wiring connecting bridge 172b is similar to line 171c, arranges towards the front portion of swing unit U along the expandable part 175 of cover element 173.
At this, shown in Figure 10 and 11, cover element 173 is connected to the back upside of swing unit U, with the back upper end that strides across transmission gearbox 123 and the upper end of gear case 126.Cover element 173 is by the integrally formed element of for example resin, and comprises the cover body 174 that covers two vehicle-wheel speed sensors 171 and 172 and the expandable part 175 that extends forward from the front side of the upper end of cover body 174.
First vehicle-wheel speed sensor 171 is arranged in recess 126c inside, and (the overall width direction outside), preceding and downside are covered by recess 126c so that its left side.Cover body 174 (cover element 173) has simple relatively structure, wherein only from its excess-three direction cover first vehicle-wheel speed sensor 171 near.Cover element 173 can only be connected in one of them of transmission gearbox 123 and gear case 126.
The expandable part 175 of cover element 173 forms with band shape, and extends forward along the upper surface of transmission gearbox 123, therefore forms the vertical wall with predetermined altitude on transmission gearbox 123.Each vehicle-wheel speed sensor 171 and 172 line 171c and 172c are arranged to extend forward, and the at left surface predetermined wire clamp of expandable part 175 comes supporting-line by for example being located at simultaneously.
By way of parenthesis, as shown in Figure 9, the left end of driven pulley axle 204 passes through ball-bearing casing 181 swivel bearings in left case cover 123b inside.In left case cover 123b inboard, be provided with the bearing seat part 182 of cup-shaped, this bearing support part is divided opening (driven pulley axle 204 sides) to the right, and ball-bearing casing 181 fixedly remains on the open side (right side) of bearing seat part 182.
Simultaneously with reference to Figure 13, in order to prevent that oil component from flowing into transmission gearbox 123 inside, the function of 181 sealed bearingss of ball-bearing casing, it has the oil sealing 185 between outer shroud 183 and the interior ring 184 at axial opposite side, and wherein two the ring 183 and 184 between sealing lubricating oil.When being in the state that keeps ball-bearing casing 181, at the bearing seat part 182 inner enclosure space H that form.For the temperature that prevents enclosure space H rises, with the predetermined vent structure applications in bearing seat part 182.
Especially, simultaneously with reference to Figure 14 to 16, circular circulation passage 186 is formed in outer shroud 183, the interior ring 184 at least one and between the oil sealing 185 on the axial opposite side of ball-bearing casing 181.Circular circulation passage extends along the circumferencial direction of bearing, and separates (inboard of bearing and the outside) with the outside with the leak free inboard.Inside and outside communication port 187 and 188 is formed on two zones in the circulation passage 186, for example about quarter turn of these two regional mutual distances.Inside and outside communication port allows the circulation between circulation passage 186 and leak free inside or the outside.
Therefore, the air in the bearing seat part 182 arrives interior communication port 187 by circulation passage 186 communication port 188 outside bearing seat part 182 in-to-ins, arrives the outside (inside of transmission gearbox 123) of bearing seat parts 182 then by steel ball 189.Thereafter, air arrives the outside of bearing seat part 182, i.e. the inside of transmission gearbox 123 then by circulation passage 186 communication port 188 outside bearing seat part 182 exterior interior communication port 187 arrive.On the other hand, bearing seat part 182 air outside arrive the inside of bearing seat part 182 by above opposite circuit.
By allowing the inside and outside ventilation circuit registry with one another of bearing seat part 182 by this labyrinth arrangement, may prevent behind the lubricant discharge in preventing ball-bearing casing 181 that bearing support part from dividing the temperature of 182 seal cavity H to rise, and the operation of keeping ball-bearing casing 181 is in good state for a long time.
The aeration structure shown in Figure 17 for example, recessed circulation passage 186 can be formed on the inner periphery of bearing seat part 182, to allow its inside and outside registry with one another.
As mentioned above, the sensor wrap structure applications in the foregoing description is in motor bike 101, wherein: comprise the transmission gearbox 123 that holds belt stepless speed changing mechanism 124, stepless speed changing mechanism transmits the propulsive effort of driving engine E; The front portion of transmission gearbox 123 is swingably by the vehicle frame F supporting, and the axle S of trailing wheel WR is by the rear support of transmission gearbox 123; Each gear 127a, 128a, 128b and 129a and the gear case 126 that holds these gears are located at the rear portion of transmission gearbox 123, by gear a S are passed in the output of Belt-type Adjustable-speed mechanism 124; And first vehicle-wheel speed sensor 171 be connected on the gear case 126, this first vehicle-wheel speed sensor is with to be located at trailing wheel WR in-to-in sensor ring 171d opposed, simultaneously and its whole rotation, to detect the rotating speed of trailing wheel WR.Recess 126c is formed on the upper end side of gear case 126, so that more near gear case 126 in-to-ins the 4th gear 129a, and first vehicle-wheel speed sensor 171 is arranged in the inside of recess 126c.
According to this structure, form recess 126c so that it is not interfered with gear case 126 in-to-ins the 4th gear 129a, and first vehicle-wheel speed sensor 171 is connected to the inside of recess 126c.Therefore, first vehicle-wheel speed sensor 171 can more approach a S and arrange, and near the of gear case 126 can be provided with by compact.Simultaneously, first vehicle-wheel speed sensor 171 can be taken to more approaching axle S place, and can reduce the diameter of trailing wheel WR internal sensor ring 171d.Therefore, can suppress influence to trailing wheel shape and unspringing weight.In addition, by recess 126c in-to-in first vehicle-wheel speed sensor 171 being arranged in the upper end side of gear case 126, can prevent to have first wheel sensor 171 of simple structure by road surface or analogue splash, and, may improve the maintenance of sensor by allowing first vehicle-wheel speed sensor 171 easily to connect or separate.
And, in the sensor wrap structure, comprise cover element 173, its connection is crossed transmission gearbox 123 and gear case 126 covering first speed sensor 171, and cover element 173 extends forward to support the line 171c of first vehicle-wheel speed sensor 171 along transmission gearbox 123.Thereby cover element 173 covers first vehicle-wheel speed sensor 171 with recess 126c, and can cover whole first vehicle-wheel speed sensor 171 after simplifying cover element 173.By allowing expandable part 175 to extend forward to have the function of the line 171c that supports first vehicle-wheel speed sensor 171, may delete part count by making design rationalization from cover element 173.
Portion of the present invention is confined to the above embodiments, but can be configured to, for example make driving engine can swing relatively with Power train (transmission gearbox) and also only transmission gearbox by the vehicle frame swinging mounting.
In addition, the structure among the embodiment is an example of the present invention.Obviously the present invention not only is applied to motor bike but also is applied to three-wheel or four wheeler, and can make various modifications in not deviating from scope of the present invention.
Claims (4)
1. motor bike, wherein: the power unit (P) that is made of driving engine (E) and driving device (M) is by vehicle frame (F) swinging mounting, the cylinder-bore axis of engine body (19) turns forward in described driving engine (E), described driving device comprises the V-belt formula toric transmission (29) of the output of continuous transformation driving engine (E), and described driving device is located between driving engine (E) and the trailing wheel (WR), and the sidepiece that power unit extends rearward to trailing wheel is extended on the engine body (19) simultaneously; Trailing wheel (WR) is pivotally connected to the rear portion of the transmission gearbox that holds driving device (M); Airfilter (75) is arranged in transmission gearbox (31) top,
Wherein, extraneous air conduit (86) is arranged on the transmission gearbox (31), by described extraneous air conduit extraneous air is introduced the coolant air introducing port (82) that is located in the transmission gearbox (31), to cool off V-belt formula toric transmission (29) by the use extraneous air; The channel formation part (86a) that is connected on the airfilter (75) forms passage (100), by this passage extraneous air is introduced and to be located in the airfilter (75) in the extraneous air introducing port (85) of open front, and this channel formation part is integrally formed with extraneous air conduit (86)
It is characterized in that, the admission port that is used for airfilter (105) to open front is located at the partly front portion of (86a) of channel formation, and forms described passage (100) from the admission port (105) that is used for airfilter to extraneous air introducing port (85) in the mode of linearity.
2. motor bike as claimed in claim 1, it is a motor scooter.
3. motor bike as claimed in claim 1, wherein, the admission port that is used for transmission gearbox (106) that is arranged in admission port (105) below that is used for airfilter is located at extraneous air conduit (86), makes the described admission port opening that is used for transmission gearbox forward.
4. motor bike as claimed in claim 3, wherein, the counter wall portion (108) that is arranged in coolant air introducing port (82) and is used between the admission port (106) of transmission gearbox is located at extraneous air conduit (86), and is opposed with the admission port (106) that is used for transmission gearbox from the rear portion simultaneously.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP197300/06 | 2006-07-19 | ||
| JP2006197300A JP4856487B2 (en) | 2006-07-19 | 2006-07-19 | Scooter type motorcycle |
| JP199293/06 | 2006-07-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101108641A CN101108641A (en) | 2008-01-23 |
| CN100554075C true CN100554075C (en) | 2009-10-28 |
Family
ID=39040950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101366778A Active CN100554075C (en) | 2006-07-19 | 2007-07-18 | Motor bike |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4856487B2 (en) |
| CN (1) | CN100554075C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567553A (en) * | 2015-04-16 | 2018-01-09 | 比亚乔及C.股份公司 | Lid structure for the transmission device of motorcycle |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5185042B2 (en) * | 2008-09-26 | 2013-04-17 | 本田技研工業株式会社 | Power unit drive wheel speed sensor protection structure |
| JP5484835B2 (en) * | 2009-09-02 | 2014-05-07 | 本田技研工業株式会社 | Air intake structure for saddle-ride type vehicles |
| CN102555779B (en) * | 2010-12-15 | 2015-11-25 | 光阳工业股份有限公司 | The heat-dissipating structure of vehicle motor |
| CN104648122B (en) * | 2013-11-22 | 2019-08-06 | 光阳工业股份有限公司 | Improve the air cleaner of motorcycle space configuration |
| CN104653359B (en) * | 2013-11-22 | 2018-09-28 | 光阳工业股份有限公司 | The air intake structure of motorcycle with diverter function |
| DE102014207167A1 (en) * | 2014-04-15 | 2015-10-15 | Bayerische Motoren Werke Aktiengesellschaft | Intake device with formally integrated Luftführungsansaugkanal |
| JP5993902B2 (en) * | 2014-07-18 | 2016-09-14 | 本田技研工業株式会社 | Exhaust device for scooter type vehicle |
| CN105569887B (en) * | 2014-10-13 | 2019-05-21 | 光阳工业股份有限公司 | The air intake structure of motor engine |
| JP6485087B2 (en) * | 2015-02-09 | 2019-03-20 | スズキ株式会社 | Cooling structure for continuously variable transmission |
| CN106224520B (en) * | 2016-07-29 | 2018-06-26 | 济南轻骑摩托车有限公司 | A kind of pedal motorcycle engine clutch case air filter device |
| US10768195B2 (en) * | 2016-08-15 | 2020-09-08 | Dana Heavy Vehicle Systems Group, Llc | Two-channel wheel speed sensor system |
| JP6678088B2 (en) * | 2016-09-26 | 2020-04-08 | 本田技研工業株式会社 | Power unit drive wheel speed detection sensor protection structure |
| JP6799556B2 (en) * | 2018-03-27 | 2020-12-16 | 本田技研工業株式会社 | Power unit |
| JP6986639B2 (en) * | 2018-09-25 | 2021-12-22 | 本田技研工業株式会社 | Power unit for saddle-riding vehicles |
| CN109538743B (en) * | 2018-12-18 | 2024-03-26 | 精进电动科技股份有限公司 | Front bearing oil lubrication mechanism of water-cooled motor and motor driving assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60142124A (en) * | 1983-12-28 | 1985-07-27 | Matsushita Electric Ind Co Ltd | Controlling method of indoor side fan of air conditioner |
| JPS6137535A (en) * | 1984-07-31 | 1986-02-22 | Honda Motor Co Ltd | Sound shield device in motor-cycle |
| JPS61175124A (en) * | 1985-01-29 | 1986-08-06 | Honda Motor Co Ltd | Suction device in power unit |
-
2006
- 2006-07-19 JP JP2006197300A patent/JP4856487B2/en not_active Expired - Fee Related
-
2007
- 2007-07-18 CN CNB2007101366778A patent/CN100554075C/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107567553A (en) * | 2015-04-16 | 2018-01-09 | 比亚乔及C.股份公司 | Lid structure for the transmission device of motorcycle |
| TWI695943B (en) * | 2015-04-16 | 2020-06-11 | 義大利商比雅久股份有限公司 | Cover structure for the transmission of a motorcycle |
| CN107567553B (en) * | 2015-04-16 | 2020-10-27 | 比亚乔及C.股份公司 | Cover structure for transmission of motorcycle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101108641A (en) | 2008-01-23 |
| JP4856487B2 (en) | 2012-01-18 |
| JP2008024101A (en) | 2008-02-07 |
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