JP4616205B2 - Motorcycle - Google Patents

Description

The present invention provides a manipulator that can be manually operated, a stand that can be turned between a standing position for obtaining a parking state and a retracted position for releasing the parking state, and the manual operation of the manipulator. motorcycles with a stand apparatus provided with an interlocking means for rotating the standing position the stand from the storage position related.

A stand device is disclosed in Patent Document 1 in which a stand is rotated between a standing position and a retracted position in accordance with a manual operation of the operating element. In this device, the stand is moved in accordance with a manual operation of the operating element. Interlocking means for rotating the storage position to the standing position is disposed at the lower part of the body frame.
JP-A 61-205570

  However, in the stand device disclosed in Patent Document 1, it is difficult to secure a space on the vehicle body frame side in which the interlocking device is disposed in a motorcycle that is easily subject to layout restrictions.

The present invention has been made in view of such circumstances, and it is unnecessary to secure a space for disposing interlocking means on the body frame side, and the motorcycle can increase the degree of freedom of layout on the body frame side. The purpose is to provide a car .

In order to achieve the above object, a power unit comprising an engine and a transmission device provided between the engine and a rear wheel is supported by a vehicle body frame, and the transmission device is A continuously variable transmission, a reduction gear train that decelerates the output of the continuously variable transmission and transmits it to the rear axle, and the engine crankcase is connected to accommodate the continuously variable transmission and the reduction gear train. And a transmission case extending to the left side of the rear wheel, wherein the continuously variable transmission is attached to an end portion of a crankshaft that enters the transmission case from the crankcase, and is parallel to the crankshaft. A driven pulley that is attached to an output shaft that is rotatably supported by the transmission case and has an endless V-belt that transmits power from the drive pulley to the driven pulley. A made is a motorcycle comprising, manual and operable operator, a rotatable stand between the storage position for releasing the standing position and the parking state to obtain a parked state, the operator In what is provided with interlocking means for rotating the stand from the storage position to the standing position according to a manual operation,
Rutotomoni arranged previous SL interlocking means in the power unit, inside the transmission case of the power unit, the rear according to the stand for manual operation the operator so as to rotate in the upright position side A rear wheel locking mechanism for locking the wheel is accommodated, and the rear wheel locking mechanism is disposed on the opposite side of the reduction gear train with the driven pulley interposed therebetween and fixed to the output shaft, and A lock state in which the rear wheel is prevented from rotating by selectively engaging with a plurality of locking teeth on the outer periphery of the rotation member and a lock release state in which the engagement is released are switchable and supported by the transmission case in a rotatable manner. And the engaging member is interlocked with the operating element in response to manual operation of the operating element so as to rotate the stand to the standing position side. Characterized in that as switches to state.

According to a second aspect of the present invention, in addition to the configuration of the first aspect of the invention, the transmission case includes an inner case integrally connected to the crankcase and extending rearward, and a cover that covers the inner case from the outside. A centrifugal clutch arranged on the same axis line as the driven pulley is provided between the driven pulley and the output shaft, and an outer end portion of the output shaft extending outward from the centrifugal clutch is provided with the centrifugal clutch. The rotating member having an outer diameter smaller than that of the centrifugal clutch is mounted, and the engaging member is disposed in front of the output shaft .

According to a third aspect of the present invention, in addition to the configuration of the first aspect of the invention, a part of the support case that supports the stand so as to be rotatable and to which the interlocking unit is attached is a part of the transmission case. It is formed integrally with the case member which comprises.

  According to a fourth aspect of the invention, in addition to the configuration of the third aspect of the invention, the case member is a cover that covers the transmission device from the outside.

  Furthermore, the invention according to claim 5 is characterized in that, in addition to the configuration of the invention according to any one of claims 1 to 4, the power unit is swingably supported by the body frame.

In addition to the configuration of the invention of claim 2 or 5, the invention of claim 6 is arranged such that the engaging member overlaps with the centrifugal clutch in a side view of the vehicle, and the rotation center of the stand Is arranged in front of and below the crankshaft.

Incidentally, the inner case 38 and the cover 39 of the embodiment corresponds to a case member of the present invention, the operation lever 76 of the embodiment corresponds to the operator of the present invention.

  According to the first aspect of the present invention, since the interlocking means is disposed on the power unit side, it is not necessary to secure a space for disposing the interlocking means on the vehicle body frame side, and the degree of freedom of layout on the vehicle body frame side is reduced. Can be increased. In addition, the motorcycle can be reduced in size by concentrating on the power unit side.

Further, since the rear wheel locking mechanism for the rear wheel is provided on the power unit side, the system of the stand device can be integrated on the power unit side to further reduce the size of the motorcycle.

  According to the third aspect of the present invention, a part of the support case to which the interlocking unit is attached is formed integrally with the case member constituting a part of the transmission case, so that the number of parts can be reduced. .

  According to the fourth aspect of the present invention, it is possible to perform maintenance of the transmission device and the interlocking means simply by removing the cover that constitutes a part of the transmission case, thereby improving maintainability.

  Further, according to the invention described in claim 5, since the interlocking means is arranged in the unit swing type power unit, the power unit can be easily detached as compared with the motorcycle in which the power unit is fixed to the body frame. Maintenance and replacement work of the interlocking means becomes easy.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below based on examples of the present invention shown in the accompanying drawings.

  1 to 12 show a first embodiment of the present invention, FIG. 1 is a side view of a scooter type motorcycle, FIG. 2 is a cross-sectional view of a power unit along line 2-2 in FIG. 1, and FIG. FIG. 2 is a sectional view taken along line 3-3 in FIG. 2 in a state where the stand is in the first standing position, FIG. 4 is a sectional view taken along line 4-4 in FIG. 3, and FIG. 6 is a side view of the inside of the support case seen from the same direction as FIG. 3, FIG. 7 is a side view of the vicinity of the operation lever, FIG. 8 is a side view corresponding to FIG. 6 with the stand in the retracted position, and FIG. FIG. 10 is a side view corresponding to FIG. 1 in a state where the stand is rotated to the second standing position, and FIG. 10 is a kick starter, a rear wheel lock mechanism, and a kick start impossible means in the transmission case in a state where the stand is in the retracted position. FIG. 11 is a view taken in the direction of arrow 11 in FIG. 7, and FIG. 12 corresponds to FIG. 10 with the stand in the upright position. It was a diagram.

  First, in FIG. 1, a body frame 15 of a scooter type motorcycle includes a main frame pipe 17 having a head pipe 16 fixed to the front end, a cross pipe 18 fixed to the rear end of the main frame pipe 17 at a right angle, The pipe 18 includes a pair of left and right rear frame pipes 19.

  The main frame pipe 17 is formed by integrally connecting a down frame portion 17a inclined downward from the head pipe 16 and a lower frame portion 17b extending rearward substantially horizontally from the rear end of the down frame portion 17a. The cross pipe 18 extends in the left-right direction of the vehicle body frame 15, and the axial center portion of the cross pipe 18 is fixed to the rear end portion of the main frame pipe 17 at a right angle.

  A front fork 20 straddling the front wheel WF is supported on the head pipe 16 so as to be steerable, and a steering handle 21 is connected to an upper end of the front fork 20.

  At the front of both rear frame pipes 19 in the body frame 15, a unit swing type comprising an engine E disposed on the front side of the rear wheel WR and a transmission M disposed on the left side of the rear wheel WR. The power unit P is supported so as to be able to swing up and down via the link 22 so that the power unit P can swing up and down, and the rear wheel WR is pivotally supported at the rear portion of the power unit P.

  In FIG. 2, the engine E, which is a single-cylinder air-cooled four-cycle engine, is coupled to a crankcase 23 formed by coupling left and right crankcase halves 23L and 23R divided into left and right parts, and the crankcase 23. A cylinder block 24, a cylinder head 25 coupled to the cylinder block 24, and a head cover 26 coupled to the cylinder head 25 are provided, and a piston is mounted on a cylinder bore 27 provided in the cylinder block 24 so as to be slightly inclined upward. 28 is slidably fitted. A crankshaft 29 extending in the width direction of the vehicle body frame 15 is rotatably supported on the crankcase 23, and the piston 28 is connected to the crankshaft 29 via a connecting rod 30 and a crankpin 31.

  The transmission M includes a V-belt type continuously variable transmission 32 and a reduction gear train 34 that decelerates the output of the continuously variable transmission 32 and transmits it to the axle 33 of the rear wheel WR. And is housed in a transmission case 35 that extends to the left side of the rear wheel WR.

  The transmission case 35 is coupled to an inner case 38 that is integrated with the left crankcase half 23L of the crankcase 23 and extends rearward, a cover 39 that covers the inner case 38 from the outside, and a rear portion of the inner case 38. The transmission chamber 41 is formed between the inner case 38 and the cover 39 and accommodates the continuously variable transmission 32. The gear chamber 42 accommodates the reduction gear train 34 between the inner case 38 and the gear case 40. Is formed.

  The continuously variable transmission 32 has a drive pulley 43 attached to the end of the crankshaft 29 that enters the transmission chamber 41 from the crankcase 23, an inner case 38 and a gear case having an axis parallel to the crankshaft 29. The driven pulley 45 is mounted on an output shaft 44 that is rotatably supported by 40 and an endless V-belt 46 that transmits power from the drive pulley 43 to the driven pulley 45.

  The drive pulley 43 includes a fixed pulley half 47 fixed to the crankshaft 29 and a movable pulley half 48 that can be moved toward and away from the fixed pulley half 47. It is driven in the axial direction by a centrifugal force acting on a weight 50 arranged between the ramp plate 49 fixed to 29 and the movable pulley half 48.

  The driven pulley 45 is slidably fitted to the inner cylinder 51 that allows relative rotation and coaxially surrounds the output shaft 44, and allows relative rotation around the axis and relative movement in the axial direction. An outer cylinder 52, a fixed pulley half 53 fixed to the inner cylinder 51, a movable pulley half 54 fixed to the outer cylinder 52 opposite the fixed pulley half 53, the movable pulley half 54, and A torque cam mechanism 55 provided between the inner cylinder 51 and the outer cylinder 52 so as to apply an axial component force between the pulley halves 53 and 54 according to the relative rotational phase difference between the fixed pulley halves 53; A coil spring 56 that elastically urges the movable pulley half 54 toward the fixed pulley half 53 is provided, and the V belt 46 is wound around the fixed pulley half 53 and the movable pulley half 54.

  Between the inner cylinder 51 of the driven pulley 45 and the output shaft 44, there is provided a centrifugal clutch 57 that is in a power transmission state when the engine speed exceeds the set speed, and constitutes a part of the centrifugal clutch 57. Thus, a coil spring 56 that surrounds the outer cylinder 52 is contracted between the drive plate 58 that is coaxially coupled to the inner cylinder 51 in a relatively non-rotatable manner and the movable pulley half 54.

  Thus, the distance between the fixed pulley half 53 and the movable pulley half 54 in the driven pulley 45 is such that the axial force generated by the torque cam mechanism 55, the axial elastic force generated by the coil spring 56, and the fixed pulley half. By determining the balance with the force from the V-belt 46 acting in the direction to leave the space between the body 53 and the movable pulley half 54, the movable pulley half 48 is brought close to the fixed pulley half 47 in the drive pulley 43. When the winding radius of the V belt 46 around the drive pulley 43 increases, the winding radius of the V belt 46 around the driven pulley 45 decreases.

  The axle 33 of the rear wheel WR is rotatably supported by an inner case 38 and a gear case 40, and a reduction gear train 34 provided between the output shaft 44 and the axle 33 is accommodated in the gear chamber 42.

  In FIG. 1 again, a rear cushion unit 59 is provided between the rear portion of the transmission case 35 in the power unit P and the left rear frame pipe 19 of the pair of left and right rear frame pipes 19. An exhaust pipe 60 that guides exhaust gas from the lower part of the cylinder head 25 in the engine E extends from the engine E to the right side of the rear wheel WR. The exhaust pipe 60 is disposed on the right side of the rear wheel WR. Connected to the exhaust muffler 61.

  A carburetor 63 is connected to an upper portion of the cylinder head 25 in the engine E via an intake pipe 62. The carburetor 63 is disposed behind the carburetor 63 and on the left side of the rear wheel WR. 64.

  A storage box 65 capable of storing a helmet or the like is supported between the front portions of the rear frame pipes 19... And a passenger seat 66 covering the storage box 65 from above is supported. The storage box 65 is supported on the upper front side so that it can be opened and closed.

  Referring to FIGS. 3 to 5 together, a support case 70A is connected to the lower part on the front side of the transmission case 35. The support case 70A has a pair of left and right case halves formed in a bowl shape. The bodies 71 and 72 are coupled to each other by a plurality of bolts 73. The case half 71 is formed integrally with the cover 39 in the transmission case 35, and the case half 72 is formed by the case half 71. Is fastened to the case half 71 so as to cover from the outside.

  Thus, a stand 75 is rotatably attached to the support case 70A and a bracket (not shown) provided on the right side of the power unit P, and the stand 75 has a posture in which the rear wheel WR is grounded. It is possible to rotate between the first standing position (the position shown in FIGS. 1 and 3) for obtaining the parking state at the position and the storage position (the position shown in FIG. 8) for releasing the parking state. In addition, the rear wheel WR is further rotated from the first standing position to the opposite side to the retracted position until the second standing position (position shown in FIG. 9) for obtaining a parking state with the rear wheel WR slightly lifted from the ground. It is possible to move.

  On the other hand, on the vehicle body frame 15 in front of the head pipe 16, an operation lever 76 that is an operator is supported so that the occupant can manually operate up and down from the occupant seat 66 side. The interlocking means 77 rotates the stand 75 according to the operation.

  The stand 75 is composed of a pair of left and right leg portions 79 and a connecting pipe 80 for connecting intermediate portions of the leg portions 79... And one end portion of the left leg portion 79 of the leg portions 79. A stand shaft 82 fixed to the bracket is rotatably supported by the support case 70A, and a shaft fixed to one end of the right leg 79 coaxially with the stand shaft 82 is provided on the right side of the power unit P. It is supported so that it can rotate. Further, a leg rest 81 is provided at the other end of the left leg 79 so as to put a foot on the stand 75 when the stand 75 is rotated from the first standing position to the second standing position.

  Referring also to FIG. 6, the interlocking means 77 is attached to the support case 70 </ b> A, and is a first connecting pin that is implanted in the middle in the longitudinal direction of the left leg 79 provided in the stand 75. A coil-shaped stand spring 86 having one end connected to 85 and a second connecting pin 87 to which the other end of the stand spring 86 is connected are implanted on one end side, and the other end is supported on the support case 70A. Spring support member 88 and a storage operation force transmission for transmitting a manual operation force of the operation lever 76 to the side of rotating the stand 75 from the first standing position to the storage position side to the spring support member 88 side. Means 89, and an erection operation force transmission means 90 for transmitting a manual operation force of the operation lever 76 to the side of rotating the stand 75 from the retracted position to the first erection position side to the spring support member 88 side. , The first turning lever 91 is rotatably supported on the support case 70A and is connected to the retracting operation force transmission means 89, and is supported on the support case 70A so as to be rotatable and transmits the standing operation force. A second rotation lever 92 to which the means 90 is connected, and a transmission mechanism 93 provided between the other end of the spring support member 88 and the first rotation lever 91 are provided.

  The spring support member 88 is formed in an arc shape surrounding the upper portion of the stand shaft 82 and is disposed on the left side of the support case 70A. On the other hand, the support case 70A is rotatably supported by a first rotation shaft 94 that has an axis parallel to the stand shaft 82 and is arranged obliquely below and behind the stand shaft 82. The other end portion of the spring support member 88 is fixed to an end portion of the rotation shaft 94 protruding leftward from the support case 70A.

  Further, the support case 70 </ b> A can rotate a second rotation shaft 95 that has an axis parallel to the stand shaft 82 and the first rotation shaft 94 and is disposed obliquely above and behind the first rotation shaft 94. It is supported by. The first rotation lever 91 and the second rotation lever 92 extend in a straight line and are continuous with each other, and are disposed on the left side of the support case 70A. Thus, the connecting portions of the first and second rotating levers 91 and 92 are fixed to the protruding end portion of the second rotating shaft 95 leftward from the support case 70A.

  The transmission mechanism 93 is provided between the first and second rotation shafts 94 and 95 and is accommodated in the support case 70A. The drive sector gear 96 fixed to the second rotation shaft 95 and the drive It comprises a driven sector gear 97 that meshes with the sector gear 96 and is fixed to the first rotating shaft 94. Thus, when the second rotation shaft 95 rotates together with the first and second rotation levers 91 and 92, the rotational force is transmitted to the first rotation shaft 94 and the spring support member 88 via the transmission mechanism 93. Will be communicated.

  In FIG. 7, the base end portion of the operation lever 76 is fixed to the drum 100 that is rotatably supported by the vehicle body frame 15 in front of the head pipe 16. The storage operation force transmission means 89 is a cable formed by the inner cable 102 being movably inserted into the outer cable 101, and one end of the outer cable 101 is a cable support fixed to the vehicle body frame 15 below the drum 100. One end portion of the inner cable 102 that is fixed to the plate 103 and protrudes from one end of the outer cable 101 rotates the operation lever 76 upward from the standing operation position indicated by a chain line in FIG. 7 to the retracting operation position indicated by a solid line in FIG. The drum 100 is wound around and connected to the drum 100 so that the amount of winding around the drum 100 increases in accordance with the dynamic operation. The standing operation force transmission means 90 is also a cable formed by the inner cable 105 being movably inserted into the outer cable 104, and one end of the outer cable 104 is fixed to the cable support plate 103. One end of the protruding inner cable 105 is wound around the drum 100 in response to the operation of rotating the operation lever 76 downward from the retracting operation position indicated by the solid line in FIG. 7 to the standing operation position indicated by the chain line in FIG. The drum 100 is wound and connected so that the amount of application is increased.

  On the other hand, the other end of the outer cable 101 of the storing operation force transmitting means 89 is fixed to a cable support plate 106 fixed to the support case 70A, and the other end of the inner cable 102 protruding from the other end of the outer cable 101. Is coupled to the first rotation lever 91. The other end of the outer cable 104 of the standing operation force transmission means 90 is fixed to a cable support plate 99 fixed to the support case 70A, and the other end of the inner cable 105 protruding from the other end of the outer cable 104 is the first one. 2 is connected to the turning lever 92.

  Accordingly, the second rotating lever 92 rotates in the clockwise direction in FIGS. 3 and 6 according to the operation of rotating the operation lever 76 downward from the retracting operation position to the standing operation position. A counterclockwise turning force is transmitted to the first rotation shaft 94 and the spring support member 88 via the transmission mechanism 93. Further, as the operating lever 76 is turned upward from the standing operation position to the retracting operation position, the first turning lever 91 is turned counterclockwise in FIGS. Is transmitted to the first rotation shaft 94 and the spring support member 88 via the transmission mechanism 93 from the right direction.

  By the way, when the operation lever 76 is rotated to the standing operation position side, as shown in FIG. 6, the second connection pin 87 of the spring support member 88 connects the center of the stand shaft 82 and the center of the first connection pin 85. The stand spring 86 is located in front of the straight line LA, and in this state, the stand spring 86 exerts a spring force that urges the stand 75 toward the first standing position. When the operation lever 76 is rotated to the retracting operation position side, the second connecting pin 87 of the spring support member 88 is a straight line connecting the center of the stand shaft 82 and the center of the first connecting pin 85 as shown in FIG. The stand spring 86 is located above the LB, and in this state, the stand spring 86 exerts a spring force that urges the stand 75 toward the retracted position.

  Within the support case 70A, the stand shaft 82 is provided with a large diameter portion 82a, and a one-way clutch 109 having an outer ring 108 is attached to the large diameter portion 82a. Although the one-way clutch 109 prevents the rotation of the outer ring 108 while the stand 75 is in the first standing position, the rotation of the stand shaft 82 and the stand 75 toward the retracted position side is prevented. The rotation of the stand shaft 82 and the stand 75 from the first standing position to the second standing position side is permitted, and switching between a state in which the rotation of the outer ring 108 is prevented and a state in which the rotation is permitted is a clutch. It is controlled by the operation control means 110.

  The clutch operation control means 110 selectively engages with a plurality of locking tooth portions 111, 111... Provided at equal intervals on the outer periphery of the outer ring 108 and one of the locking tooth portions 111. And an engaging claw 112 capable of operating between the position and the position where the engagement is released, and the engaging claw 112 rotates through the support shaft 113 to the case half 71 of the support case 70A. It is supported as possible.

  The second rotating shaft 95 is connected to the engaging claw 112 via the lost motion mechanism 116, and the lost motion mechanism 116 is relative to the second rotating shaft 95 at a position adjacent to the driven sector gear 97. A rotating member 114 that is rotatably mounted, a connecting link 115 that connects the rotating member 114 and the engaging claw 112, a second rotating shaft 95 that surrounds the second rotating shaft 95, and The torsion spring 117 is engaged with the rotating member 114 at both ends.

  The driven sector gear 97 is provided with a pin 118 projecting toward the rotating member 114, and the rotating member 114 is rotated around the axis of the second rotating shaft 95 from the clockwise direction of FIG. An abutting portion 114 a that abuts on 118 is provided.

  Thus, when the operation lever 76 is rotated to the upright operation position side and the first rotation shaft 94 is rotated in the clockwise direction in FIGS. 3 and 6, as shown in FIG. 6 is rotated counterclockwise in FIG. 6, the rotation of the second rotation shaft 95 is transmitted to the rotation member 114 via the torsion spring 117, and the engagement claw 112 is connected to the one-way clutch 109. The outer ring 108 is prevented from rotating by engaging with one of the locking teeth 111 on the outer periphery of the outer ring 108 provided. Further, when the operation lever 76 is rotated to the storage position side and the second rotation shaft 95 is rotated counterclockwise in FIG. 8, the pin 108 of the driven sector gear 97 contacts the contact portion 114 of the rotation member 114. The engaging member 112 is disengaged from one of the engaging teeth 111 on the outer periphery of the outer ring 108 by rotating the rotating member 114 counterclockwise in FIG. 108 rotations are allowed.

  The one-way clutch 109 prevents the rotation of the stand shaft 82 from the first standing position to the storage position side in the state where the rotation of the outer ring 108 is blocked at the first standing position. 1 is allowed to rotate from the standing position to the opposite side to the retracted position, and the vehicle body is directed obliquely upward rearward with the foot resting on the footrest 81 of the stand 75 in the first standing position. As shown in FIG. 9, the stand 75 rotates to the second standing position, and in this state, the rear wheel WR is slightly lifted from the ground.

  In FIG. 10, in the transmission case 35, a locked state in which the rotation of the rear wheel WR is prevented by engaging with a rotating member 123 linked and connected to the rear wheel WR and the engagement with the rotating member 123 is released. A rear wheel locking mechanism 125 having an engaging member 124 capable of switching the unlocking state is accommodated.

  The rotating member 123 is disposed between the centrifugal clutch 57 and the cover 39, and is fixed to an output shaft 44 that is linked to and connected to the axle 33 of the rear wheel WR via the reduction gear train 34. On the outer periphery of the member 123, there are provided a plurality of locking tooth portions 126 that can selectively engage the engaging member 124. The engaging member 124 is rotatably supported by the cover 39 via a support shaft 127 having an axis parallel to the output shaft 44.

  Further, a third rotation shaft 128 having an axis parallel to the output shaft 44 and the support shaft 127 is rotatably supported on the cover 39, and the third rotation lever 129 is supported on the third rotation shaft 128. The middle part of is fixed.

  The third rotating shaft 128 is connected to the engaging member 124 via the lost motion mechanism 130, and the lost motion mechanism 130 is mounted on the third rotating shaft 128 so as to be relatively rotatable. The rotating member 131, the connecting link 132 connecting the rotating member 131 and the engaging member 124, and the third rotating shaft 128 surrounding the third rotating shaft 128 have both ends at the ends. It is comprised with the torsion spring 133 engaged.

  On the other hand, the interlocking cable 120 is connected to one end of the third rotation lever 129. As shown in FIG. 11, the interlock cable 120 is formed by inserting an inner cable 122 through an outer cable 121 so that the outer cable 121 can move freely. One end of the outer cable 121 is fixed to a cable support plate 103 fixed to a vehicle body frame. One end portion of the inner cable 122 protruding from one end of the outer cable 121 is wound around and connected to the drum 100 from the same side as the inner cable 105 in the standing operation force transmission means 90. That is, the inner cable 122 is wound and connected to the drum 100 so that the amount of winding on the drum 100 is increased in accordance with the downward rotation of the operation lever from the retracting operation position to the standing operation position. The

  The other end of the outer cable 121 in the interlock cable 120 is fixed to the transmission case 35, and the other end of the inner cable 122 that protrudes from the other end of the outer cable 121 and is introduced into the transmission case 35 is the third rotation lever 129. Connected to one end.

  Thus, when the operation lever 76 is rotated to the standing position side, as shown in FIG. 12, the third rotation lever 129 is rotated counterclockwise, and the rotation of the third rotation shaft 128 is twisted. It is transmitted to the rotating member 131 via the spring 133, and the engaging member 124 engages with one of the locking tooth portions 126 on the outer periphery of the rotating member 123 to prevent the rotating member 123, that is, the rear wheel WR from rotating. The When the operation lever 76 is rotated to the storage position side, as shown in FIG. 10, the third rotation shaft 129 is rotated clockwise, and the engagement member 124 is a locking tooth portion on the outer periphery of the rotation member 123. The engagement with one of 126... Is released, and the rotation of the rotating member 123, that is, the rear wheel WR is allowed.

  By the way, this scooter type motorcycle is equipped with a kick starter 135. The kick starter 135 projects from the cover 39 and a kick shaft 136 that is rotatably supported by the cover 39 of the transmission case 35. The kick pedal 137 fixed to the end of the kick shaft 136, the spring 138 provided between the kick shaft 136 and the cover 39, the worm wheel 139 fixed to the inner end of the kick shaft 136, and the worm wheel 139 A worm gear 140 that is movable in an axial direction parallel to the kick shaft 136, a connecting member 141 fixed to the worm gear 140, and a engaged member fixed to the crankshaft 26 so as to face the connecting member 141. And the connecting member 141 is covered by the depression operation of the kick pedal 137. Rotational power for starting to the crankshaft 26 by rotating advances to a position to engage the engagement member 142 is intended to be transmitted.

  Thus, the start of the engine E by the kick starter 135 is disabled by the kick start disable means 144 when the rear wheel lock mechanism 125 is unlocked. It is linked to and connected to the lock mechanism 125.

  The lock start impossible means 144 engages with a locking groove 143 provided in the connecting member 141 to prevent the connecting member 141 from rotating, and releases the engagement with the locking groove 143 to connect the connecting member 141. An engagement lever member 145 that is rotatably supported by the cover 39 via a shaft 146 so that the state of allowing rotation of the engagement lever 145 can be switched, and a spring in a direction in which the engagement lever member 145 is engaged with the locking groove 143 In addition to the torsion spring 147 provided between the engagement lever member 145 and the cover 39 by exerting a force, and the engagement lever member 145 and the third rotation lever 129 in order to restrict the rotation position of the engagement lever member 145 And a connecting rod 148 for connecting the ends.

  According to such a lock start impossible means 144, when the operation lever 76 is rotated to the standing position side, as shown in FIG. 12, the third rotation lever 129 is rotated counterclockwise. The engagement lever member 145 is rotated to a position where the engagement with the locking groove 143 is released, and the engine E can be started by the kick starter 135. When the operation lever 76 is rotated to the storage position side, as shown in FIG. 10, the engagement lever member 145 is engaged with the engagement groove 143 as the third rotation shaft 129 rotates clockwise. The engine E is turned off by the kick starter 135 so that the engine E cannot be started.

  Next, the operation of the first embodiment will be described. When the manually operable operation lever 76 is turned to the standing position side, the stand 75 is turned from the retracted position to the first standing position by the interlocking means 77. The interlocking means 77 includes a coiled stand spring 86 having one end connected to a stand 75 rotatably supported by a support case 70A attached to the power unit P, and the other end of the stand spring 86 connected. A spring support member that is connected to and linked to the operation lever 76 so that the second connection pin 87 is provided at one end and the position of the second connection pin 87 can be changed according to manual operation of the operation lever 76. 88, and the other end of the spring support member 88 is rotatably supported by the support case 70A. The position of the second coupling pin 87 which is determined in accordance with the operation of the is set to a state in which the stand spring 86 biases the stand 75 in the standing position.

  Therefore, it is possible to rotate the stand 75 from the retracted position to the upright position using the spring force of the stand spring 86, and to operate the spring support member 88 so as to change the position of the second connecting pin 87. Since the operation force is small, the stand 75 can be rotated to the standing position side while suppressing the operation load.

  Further, the interlocking means 77 is a standing operation force transmission means 90 that transmits a manual operation force of the operation lever 76 to the side that rotates the stand 75 from the retracted position to the standing position side, to the spring support member 88 side, And a storage operation force transmission means 89 for transmitting a manual operation force of the operation lever 76 from the standing position to the side where the stand 75 is rotated to the storage position side, to the spring support member 88 side. The position of the second connecting pin 87 determined according to the operation of the 76 toward the storage position is set so that the stand spring 86 biases the stand 75 toward the storage position.

  Accordingly, the stand 75 is moved from the retracted position to the raised position according to the manual operation of the operation lever 76 with a simple configuration in which only the standing operation force transmitting means 90 and the retracting operation force transmitting means 89 are added and the operation load is kept small. It can be rotated and can be rotated from the standing position to the storage position side.

  The interlocking unit 77 includes first and second rotation levers 91 and 92 that rotate together with the second rotation shaft 95 in response to manual operation of the operation lever 76, and is fixed to the spring support member 88. Since the transmission mechanism 93 for transmitting the rotational force of the second rotation shaft 95 to the first rotation shaft 95 and the spring support member 88 is provided between the second rotation shaft 95 and the first rotation shaft 94, the interlocking means is provided. The degree of freedom in arrangement of the first and second rotating levers 91 and 92 constituting a part of 77 can be increased. In addition, if the transmission mechanism 93 is provided with an acceleration or deceleration function, the operation adjustment width of the stand 75 can be improved and the degree of freedom in design can be increased.

  A one-way clutch 109 having an outer ring 108 is attached to a stand shaft 82 that is fixed to the stand 75 and is rotatably supported by the support case 70A, and the outer ring is in a state where the stand 75 is in the first standing position. The one-way clutch 109 prevents rotation of the outer ring 108 by the clutch operation control unit 110 in a state where the stand 75 is in the first standing position. Thus, the stand 75 is prevented from rotating toward the retracted position. Therefore, the stand 75 is rotated toward the first standing position with a simple configuration using the one-way clutch 109 and the clutch operation control means 110. Rotation of the moved stand 75 to the storage position side can be stopped in a stepless manner, and a reliable detent effect can be obtained. . Therefore, not only parking with the front wheel WF and the rear wheel WR in contact with the ground is possible, but also a reliable parking state can be maintained without being affected by fluctuations in the air pressure of the wheels due to passengers getting on or getting off. Moreover, since a general one-way clutch 109 is used without using special parts, an increase in cost can be suppressed.

  Further, the clutch operation control means 110 has a plurality of locking tooth portions 111 provided on the outer periphery of the outer ring 108 at equal intervals, and positions and engagements selectively engaged with one of the locking tooth portions 111. The engagement claw 112 that enables the operation between the positions where the engagement is released is provided, and the clutch operation control means 110 can be configured with a simple structure.

  Moreover, when the stand 75 is rotated by manual operation of the operation lever 76, it is difficult to grasp the position of the stand 75, but the rotation of the stand 75 to the storage position side can be regulated in a stepless manner. By using the one-way clutch 109, the certainty of the turning operation of the stand 75 can be improved.

  Further, since the second rotating shaft 95 constituting a part of the interlocking means 77 is connected to the engaging claw 112 via the lost motion mechanism 116, the operation of the operating lever 76 for rotating the stand 75 is related. The operation of the joint claw 112 is not affected, and both the rotation operation of the stand 75 and the operation of the engagement claw 112 can be reliably performed.

Also, a rotating member 123 that is linked and connected to the rear wheel WR, a locked state that engages with the rotating member 123 to prevent the rotation of the rear wheel WR, and an unlocked state that releases the engagement with the rotating member 123. the includes a rear wheel lock mechanism 125 having a switching engagement member 124, the third pivoting lever 129 which rotates in response to operation of the engaging member 124 to the upright position side of the operating lever 7 6 Since the rotation of the rotating member 123 is prevented in conjunction with the rotation of the stand 75 to the upright position side when the scooter type motorcycle is parked with the stand 75 in the upright position. The rotation of the wheel WR is prevented, and it is possible to prevent the scooter type motorcycle from starting to travel undesirably when the stand 75 is raised. In addition, compared with the one in which the brake mechanism is operated in conjunction with the rotation of the stand 75, the amount of play of the brake mechanism and the thickness of the brake pad are reduced, so that the stand 75 is operated between the standing operation and the brake operation. There will be no madness, and there will be no impact on the operability of each, so maintenance will be easy.

  In addition, since the lost motion mechanism 130 is interposed between the second rotation shaft 95 and the engagement member 124, the operation of the operation lever 76 that rotates the stand 75 is affected by the operation of the engagement member 124. Rather, both the turning operation of the stand 75 and the operation of the engaging member 124 can be reliably performed.

  The kick starter 135 attached to the engine E is provided with a kick start impossible means 144 that interlocks with the rear wheel lock mechanism 125 so that the engine E cannot be started when the rear wheel lock mechanism 125 is unlocked. Since the kick start of the engine E is enabled only when the rotation of the wheel WR is blocked by the rear wheel lock mechanism 125, the scooter type motorcycle does not move at the time of kick start, and the operability of kick start Will improve.

  The kick starter 135 includes a connecting member 141 that moves in the crankshaft direction of the engine E and engages with the crankshaft 26 at the time of kick start, and the kick start impossible means 144 is engaged with the connecting member 141. Since the engaging lever member 145 which can disable the movement of the connecting member 141 is provided, the kick starting is impossible as a simple structure for merely engaging the engaging lever member 145 with the connecting member 141 of the kick starting device 135. The means 144 can be configured compactly.

  Further, since the interlocking means 77 is disposed in the unit swing type power unit P, it is not necessary to secure a space for disposing the interlocking means on the body frame 15 side, and the layout on the body frame 15 side is free. The degree can be increased. In addition, by concentrating on the power unit P side, it is possible to reduce the size of the motorcycle, and it is easier to remove the power unit P than a motorcycle in which the power unit is fixed to the body frame. Replacement work is facilitated.

  A rear wheel locking mechanism 125 that locks the rear wheel WR in response to manual operation of the operation lever 76 so as to rotate the stand 75 to the upright position side is housed in the transmission case 35 that houses the transmission device M. Therefore, the motorcycle can be further downsized by consolidating the stand device system on the power unit side.

  Incidentally, a case half 72 which is a part of a support case 70A to which the stand 75 is rotatably supported and to which the interlocking means 77 is attached is formed integrally with a cover 39 constituting a part of the transmission case 35. In addition, the number of parts constituting the support case 70A can be reduced. Further, the maintenance of the transmission device M and the interlocking means 77 can be performed only by removing the cover 39, and the maintainability is improved.

  FIG. 13 shows a second embodiment of the present invention. A support case 70B for supporting the stand 75 so as to be rotatable and to which the interlocking means 77 is attached is a pair of left and right case halves 151 formed in a bowl shape. , 152 are fastened to face each other. One case half 151 is integrally formed with the inner case 38 in the transmission case 35, and the other case half 152 is a cover 39 in the transmission case 35. Are integrally formed.

  According to the second embodiment as well, the number of parts constituting the support case 70B can be reduced, and the transmission device M and the interlocking means 77 can be maintained simply by removing the cover 39. Will improve.

  FIG. 14 shows a third embodiment of the present invention. A support case 70C for rotatably supporting the stand 75 and to which the interlocking means 77 is attached is a pair of left and right case halves 153 formed in a bowl shape. , 154 are fastened to face each other, one case half 153 is formed integrally with the inner case 38 of the transmission case 35, and the other case half 154 is a part of the transmission case 35. The cover 39 of the transmission case 35 is connected to the case half 154 so as to be fastened to the case half 153.

  Also according to the third embodiment, the number of parts constituting the support case 70C can be reduced.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the present invention described in the claims. It is.

  For example, the present invention can be applied to a motorcycle other than the scooter type motorcycle.

Side view of the scooter type motorcycle of the first embodiment. Sectional drawing of the power unit which follows the 2-2 line of FIG. View taken along line 3-3 in FIG. 2 with the stand in the first upright position Sectional view taken along line 4-4 in FIG. Sectional view along line 5-5 in FIG. Side view of the inside of the support case seen from the same direction as FIG. Side view near the control lever Side view corresponding to FIG. 6 with the stand in the retracted position Side view corresponding to FIG. 1 with the stand rotated to the second upright position. Side view of kick starter, rear wheel lock mechanism and kick start impossible means in transmission case with stand in retracted position FIG. 11 arrow 11 view The figure corresponding to FIG. 10 with the stand in the standing position Sectional view corresponding to FIG. 5 of the second embodiment Sectional view corresponding to FIG. 5 of the third embodiment

15 ... body frame 35 ... transmission case 38 ... inner case 39 as a case member ... covers 70A, 70B, 70C as case members ... support case 75 ... stand 76 ... An operating lever 77 as an operation element ... an interlocking means 125 ... a rear wheel locking mechanism E ... an engine M ... a transmission device P ... a power unit WR ... a rear wheel

Claims (6)

A power unit (P) composed of an engine (E) and a transmission (M) provided between the engine (E) and the rear wheel (WR) is supported by the body frame (15),
The transmission (M) decelerates the output of the continuously variable transmission (32) and the continuously variable transmission (32) and transmits it to the axle (33) of the rear wheel (WR). A transmission case connected to the crankcase (23) of the engine (E) and extending to the left side of the rear wheel (WR) so as to accommodate the continuously variable transmission (32) and the reduction gear train (34). 35)
The continuously variable transmission (32) includes a drive pulley (43) attached to an end of a crankshaft (29) that enters the transmission case (35) from the crankcase (23), and the crankshaft ( 29) a driven pulley (45) mounted on an output shaft (44) rotatably supported on the transmission case (35) with an axis parallel to the drive case (35), and a drive pulley (43 2) a motorcycle composed of an endless V-belt (46) for transmitting power from
A manipulator (76) that can be manually operated, a stand (75) that can be rotated between a standing position for obtaining a parking state and a retracted position for releasing the parking state, and a manual operation of the manipulator (76) operation the stand according to the (75) from the storage position in which comprises an interlocking means (77) for pivoting on the upright position,
It said power unit (P) before Symbol interlocking means (77) is arranged Rutotomoni, the said transmission case (35) of said power unit (P), rotating the stand (75) in the upright position side A rear wheel locking mechanism (125) for locking the rear wheel (WR) in response to a manual operation of the operating element (76) is housed,
Thereafter, the wheel lock mechanism (125) is disposed on the opposite side to the reduction gear train (34) across the driven pulley (45) and is fixed to the output shaft (44). And a locked state in which the plurality of locking teeth (126) on the outer periphery of the rotating member (123) are selectively engaged to prevent rotation of the rear wheel (WR) and a unlocked state in which the engagement is released. An engaging member (124) that is rotatably supported by the transmission case (35) so as to be switchable is provided, and the operating element (76) is configured to rotate the stand (75) to the upright position side. ) according to the manual operation of the engaging member (124) is an automatic two-wheeled vehicle, characterized in that as switched to the locked state in conjunction with該操Sakuko (76). The transmission case (35) includes an inner case (38) integrally connected to the crankcase (23) and extending rearward, and a cover (39) covering the inner case (38) from the outside, and the driven pulley (45) and the output shaft (44) are provided with a centrifugal clutch (57) arranged on the same axis as the driven pulley (45), and the centrifugal clutch (57) of the output shaft (44). The rotating member (123) having an outer diameter smaller than that of the centrifugal clutch (57) is attached to an outer end portion that extends further outward, and the engaging member (124) is located on the front side of the output shaft (44). claim 1 mOTORCYCLE of wherein the disposed. A part of the support case (70A, 70B, 70C) to which the stand (75) is rotatably supported and the interlocking means (77) is attached constitutes a part of the transmission case (30). (38, 39) mOTORCYCLE according to claim 1, characterized in that it is formed integrally with the. The case member (39) is, according to claim 3 MOTORCYCLE of wherein said is gearing (M) a cover for covering the outer side. Said power unit (P) is, MOTORCYCLE according to claim 1, characterized in that it is swingably supported on the body frame (15). The engagement member (124) is disposed so as to overlap the centrifugal clutch (57) in a side view of the vehicle, and the rotation center of the stand (75) is disposed in front of and below the crankshaft (29). The motorcycle according to claim 2 or 5, wherein the motorcycle is a vehicle.

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