WO2023089903A1 - 鞍乗り型車両のステップ構造 - Google Patents

鞍乗り型車両のステップ構造 Download PDF

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Publication number
WO2023089903A1
WO2023089903A1 PCT/JP2022/032620 JP2022032620W WO2023089903A1 WO 2023089903 A1 WO2023089903 A1 WO 2023089903A1 JP 2022032620 W JP2022032620 W JP 2022032620W WO 2023089903 A1 WO2023089903 A1 WO 2023089903A1
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WO
WIPO (PCT)
Prior art keywords
groove
ball
side end
type vehicle
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/032620
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English (en)
French (fr)
Japanese (ja)
Inventor
佑介 大庭
昌幸 谷口
瑠衣 前田
融 山岸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP2023562148A priority Critical patent/JP7610035B2/ja
Publication of WO2023089903A1 publication Critical patent/WO2023089903A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J25/00—Foot-rests; Knee grips; Passenger hand-grips
    • B62J25/06—Bar-type foot rests

Definitions

  • the present invention relates to a step structure for a saddle type vehicle.
  • a saddle-riding type in which a step, which is rotatable about a shaft provided on a stay, rotates between a deployed position extending in the vehicle width direction and a retracted position rotated upward with respect to the deployed position.
  • a vehicle step structure is known (see, for example, Patent Document 1).
  • Patent Document 1 grooves corresponding to the deployed position and the retracted position are provided, respectively, and the step is locked in the deployed position and the retracted position by engaging the ball biased by the biasing member with the groove.
  • a step structure for a saddle-riding type vehicle includes a step rotatable about an axis provided on a stay, a ball and a groove provided between the stay and the step, and biasing the ball against the groove.
  • the step is rotatable between a deployed position extending in the vehicle width direction and a retracted position rotated upward with respect to the deployed position about the shaft, and
  • the groove is a first step with which the ball engages in the deployed position. and a second groove with which the ball engages at the retracted position, the second groove having an arcuate shape elongated in a rotational direction about the shaft.
  • the step can be easily changed from the stowed state to the extended state.
  • FIG. 1 is a side view of a straddle-type vehicle according to an embodiment of the invention.
  • FIG. 2 is a left side view of the left step structure.
  • FIG. 3 is an exploded perspective view of the step structure.
  • FIG. 4 is a front view of the step structure as seen from the front.
  • FIG. 5 is a side view of the base end of the step viewed from outside in the vehicle width direction with the step rotated upward.
  • FIG. 6 is a front view of a state in which the step is rotated upward, viewed from the front.
  • FIG. 7 is a view of the ball and the plate member in the deployed position as seen from the front in the axial direction of the shaft.
  • FIG. 8 is a view of the ball and plate member in the retracted position as seen from the front in the axial direction of the shaft.
  • FIG. 1 is a side view of a straddle-type vehicle 10 according to an embodiment of the invention.
  • a straddle-type vehicle 10 includes a body frame 11, a power unit 12 supported by the body frame 11, a front fork 14 supporting a front wheel 13 in a steerable manner, a swing arm 16 supporting a rear wheel 15, and a passenger seat.
  • the vehicle includes a seat 17 .
  • the saddle-ride type vehicle 10 is a vehicle in which an occupant sits astride a seat 17 .
  • the seat 17 is provided above the rear portion of the body frame 11 .
  • the body frame 11 includes a head pipe 18 provided at the front end of the body frame 11 , a front frame 19 positioned behind the head pipe 18 , and a rear frame 20 positioned behind the front frame 19 .
  • a front end portion of the front frame 19 is connected to the head pipe 18 .
  • Seat 17 is supported by rear frame 20 .
  • the front fork 14 is supported by a head pipe 18 so as to be steerable left and right.
  • the front wheel 13 is supported by an axle 13 a provided at the lower end of the front fork 14 .
  • a steering handle 21 gripped by a passenger is attached to the upper end of the front fork 14 .
  • the swing arm 16 is supported by a pivot shaft 22 supported by the vehicle body frame 11 .
  • the pivot shaft 22 is a shaft extending horizontally in the vehicle width direction.
  • a pivot shaft 22 is inserted through the front end of the swing arm 16 .
  • the swing arm 16 swings up and down around the pivot shaft 22 .
  • the rear wheel 15 is supported by an axle 15 a provided at the rear end of the swing arm 16 .
  • Power unit 12 is arranged between front wheel 13 and rear wheel 15 and supported by body frame 11 .
  • Power unit 12 is an internal combustion engine.
  • the power unit 12 includes a crankcase 23 and a cylinder portion 24 that houses reciprocating pistons.
  • An exhaust device 25 is connected to an exhaust port of the cylinder portion 24 .
  • the output of power unit 12 is transmitted to rear wheels 15 by a driving force transmission member that connects power unit 12 and rear wheels 15 .
  • the straddle-type vehicle 10 also includes a front fender 26 that covers the front wheels 13 from above, a rear fender 27 that covers the rear wheels 15 from above, a step 28 on which the passenger puts his or her feet, and a fuel for storing the fuel used by the power unit 12. and a tank 29 .
  • a front fender 26 is attached to the front fork 14 .
  • the rear fender 27 and step 28 are provided below the seat 17 .
  • the fuel tank 29 is supported by the vehicle body frame 11 .
  • the straddle-type vehicle 10 is a motorcycle.
  • the straddle-type vehicle 10 includes a vehicle body cover 30 that covers the vehicle body such as the vehicle body frame 11 and the like.
  • the front frame 19 includes a pair of left and right main frames 31 extending rearward and downward from the head pipe 18 and a pair of left and right pivot frames 32 extending downward from the rear ends of the main frames 31 .
  • the pivot frame 32 is positioned rearward of the power unit 12 and forward of the rear wheel 15 in a vehicle side view. Pivot shaft 22 is supported by pivot frame 32 .
  • FIG. 2 is a left side view of the left step structure 40.
  • FIG. The step structure 40 is provided on each of the left and right side surfaces of the vehicle body. Since the left and right step structures 40 are provided substantially symmetrically on the left and right sides, the left step structure 40 will be referred to and described here.
  • FIG. 3 is an exploded perspective view of the step structure 40.
  • FIG. 4 is a front view of the step structure 40 viewed from the front.
  • the step structure 40 includes the step 28 on which the rider's feet are placed, a stay 41 attached to the pivot frame 32 as the vehicle body, and a shaft 42 that rotatably supports the step 28 .
  • the step structure 40 also includes a ball 43 that can be engaged with the stay 41 and a biasing member 44 that biases the ball 43 toward the stay 41 .
  • FIG. 5 is a side view of the base end of the step 28 viewed from outside in the vehicle width direction with the step 28 rotated upward.
  • the stay 41 includes a stay body 45 attached to the pivot frame 32 to support the step 28, and a plate member 46 attached to the stay body 45.
  • Ball 43 engages plate member 46 .
  • the stay main body 45 includes a plate-shaped base portion 45a attached to the pivot frame 32, a front side shaft support portion 45b projecting outward in the vehicle width direction from a lower portion of the base portion 45a, and a base portion 45a behind the front side shaft support portion 45b. and a rear-side shaft support portion 45c protruding outward in the vehicle width direction from the lower portion of the .
  • the base portion 45 a has a plate shape arranged to face the outer surface of the pivot frame 32 .
  • the stay 41 is fixed to the outer surface of the pivot frame 32 by a pair of stay fasteners 41a inserted through the front portion of the stay main body 45 from the outside in the vehicle width direction.
  • the front shaft support portion 45b and the rear shaft support portion 45c are plate-shaped and protrude outward in the vehicle width direction from the outer surface of the base portion 45a. When viewed from the side of the vehicle, the front shaft support portion 45b and the rear shaft support portion 45c are parallel to each other, and the front shaft support portion 45b and the rear shaft support portion 45c are inclined rearwardly upward.
  • the rear shaft support portion 45c is positioned rearwardly and downwardly of the front shaft support portion 45b.
  • the stay main body 45 has a shaft support hole 45d passing through the front shaft support portion 45b and the rear shaft support portion 45c.
  • the shaft 42 includes a shaft portion 42a inserted through the shaft support hole 45d, a flange portion 42b extending radially outward from one end of the shaft portion 42a, and an engaging portion radially penetrating the other end portion of the shaft portion 42a. and a hole 42c.
  • the shaft 42 is inserted through the shaft support hole 45d from the front.
  • the shaft portion 42a passes through the front shaft support portion 45b and the rear shaft support portion 45c.
  • the shaft 42 is prevented from coming off from the rear side by the flange portion 42b coming into contact with the front shaft support portion 45b from the front.
  • the engagement hole 42c is located behind the rear shaft support portion 45c, and a pin-shaped clip 47 engages with the engagement hole 42c.
  • a washer 48 is interposed on the shaft 42 between the clip 47 and the rear surface of the rear shaft support portion 45c.
  • a clip 47 prevents the shaft 42 from coming off from the front side.
  • the step 28 includes a step body 50 that extends in the vehicle width direction, and a step cover 51 that covers the upper surface of the step body 50 from above.
  • a base end portion 50 a of the step body 50 is provided with a rotation hole 52 through which the shaft 42 is inserted, and a housing hole 53 for housing the biasing member 44 and the ball 43 .
  • the step cover 51 is attached to the upper surface of the portion outside the base end portion 50a of the step body 50 in the vehicle width direction.
  • the step cover 51 is fixed to the step body 50 by a plurality of step cover fasteners 54 inserted through the step body 50 from below. An occupant puts his or her foot on the upper surface of the step cover 51 .
  • the step cover 51 is made of a material that is softer than the step body 50 and has a higher vibration damping property than the material of the step body 50. ⁇
  • the step cover 51 is made of elastomer such as rubber, for example.
  • the step body 50 is made of, for example, a metallic material such as iron-based material and light alloy.
  • a bank sensor 55 is attached to the lower surface of the tip of the step body 50 .
  • the bank sensor 55 includes a tubular member 55a that abuts on the lower surface of the tip portion of the step body 50, and a fastener 55b that is inserted into the tube of the tubular member 55a from below and fastened to the lower surface of the step body 50. .
  • the base end portion 50a of the step body 50 of the step 28 is arranged between the front shaft support portion 45b and the rear shaft support portion 45c.
  • the step 28 is rotatably supported by the shaft portion 42a inserted through the rotation hole 52 of the base end portion 50a.
  • the rotation hole 52 penetrates through the base end portion 50a.
  • An axis 42d of the shaft portion 42a is inclined rearwardly downward when viewed from the side of the vehicle.
  • the step 28 is rotatable up and down around the axis 42d.
  • the step 28 is in the extended position in which the step 28 extends in the vehicle width direction.
  • the upper surface 28a of the step 28 extends substantially horizontally in the vehicle width direction when viewed from the front.
  • the step 28 is set to the deployed position and the occupant puts his or her feet on the substantially horizontal upper surface 28a.
  • FIG. 6 is a front view of the step 28 rotated upward as viewed from the front.
  • step 28 is in the stowed position, pivoted upward relative to the deployed position.
  • the upper surface 28a of the step 28 is inclined outward and upward in the vehicle width direction when viewed from the front.
  • the step 28 can be made compact in the vehicle width direction by setting the step 28 to the retracted position, and the saddle-ride type vehicle 10 can be easily parked.
  • the step structure 40 includes a locking mechanism 60 that locks the step 28 in the deployed and retracted positions.
  • the lock mechanism 60 is composed of the ball 43 , the biasing member 44 and the plate member 46 .
  • FIG. 7 is a diagram of the ball 43 and the plate member 46 viewed from the front in the axial direction of the shaft 42. As shown in FIG. FIG. 7 shows the state of the deployed position. 2 to 7, the plate member 46 is attached to the rear shaft support portion 45c of the stay body 45. As shown in FIG. The plate member 46 is a flat plate and provided separately from the stay main body 45 . Referring to FIG. 5, the plate member 46 is attached to the rear shaft support portion 45c so that the rear surface of the plate member 46 contacts the front surface of the rear shaft support portion 45c. The plate member 46 is arranged between the rear surface of the base end portion 50a of the step body 50 and the front surface of the rear shaft support portion 45c, and is attached to the front surface of the rear shaft support portion 45c. An axis 42 d of the shaft 42 is perpendicular to the plate member 46 .
  • a housing hole 53 provided in the base end portion 50 a of the step body 50 is a hole extending parallel to the rotation hole 52 . That is, the housing hole 53 is parallel to the axis 42d. In the unfolded position, the storage hole 53 is located inside the rotation hole 52 in the vehicle width direction.
  • the storage hole 53 is a blind hole extending from the rear surface of the base end portion 50a toward the front surface of the base end portion 50a. The rear end of the housing hole 53 opens rearward, and the front end of the housing hole 53 is closed.
  • the biasing member 44 is a coil spring.
  • the biasing member 44 is housed in the housing hole 53 through the opening at the rear end of the housing hole 53 .
  • One end of biasing member 44 is received by the bottom of storage hole 53 .
  • a spherical ball 43 is housed in the housing hole 53 through the opening at the rear end of the housing hole 53 and contacts the other end of the biasing member 44 .
  • the plate member 46 covers the housing hole 53 from behind and pushes the ball 43 into the housing hole 53 .
  • the biasing member 44 is sandwiched and compressed between the bottom of the housing hole 53 and the ball 43 .
  • the biasing member 44 biases the ball 43 toward the plate member 46 with a restoring force against compression.
  • the plate member 46 is pressed against the front surface of the rear shaft support portion 45 c by the biasing force of the biasing member 44 via the ball 43 .
  • the biasing member 44 and the ball 43 rotate integrally with the step 28 as the step 28 rotates about the axis 42d.
  • the plate member 46 includes a plate member main body 61 sandwiched between the base end portion 50a and the rear shaft support portion 45c, and a rotary shaft protruding from the plate member main body 61 inward in the vehicle width direction. and a motion restricting portion 62 .
  • an engaging portion 45 e with which the rotation restricting portion 62 engages is provided at the lower end portion of the base portion 45 a of the stay main body 45 .
  • the engaging portion 45e is a hole passing through the base portion 45a in the vehicle width direction, and is positioned between the front side shaft support portion 45b and the rear side shaft support portion 45c.
  • the plate member 46 is restricted from rotating about the axis 42d by the rotation restricting portion 62 engaging with the engaging portion 45e.
  • the plate member main body 61 has a shaft hole 64 through which the shaft 42 is inserted, and a groove 70 in which the balls 43 are engaged.
  • the shaft hole 64 is a round hole through which the shaft portion 42a passes.
  • the shaft hole 64 is provided in the upper portion of the plate member main body 61 .
  • FIG. 7 shows a locus 43a of the rotation of the ball 43 when the step 28 rotates.
  • the trajectory 43a is an arc of a virtual circle with the axis 42d as the center of the circle. This virtual circle is concentric with the shaft hole 64 and has a larger diameter than the shaft hole 64 .
  • a trajectory 43 a is the trajectory of the center of the ball 43 .
  • the trajectory 43a is positioned inside and below the shaft hole 64 in the vehicle width direction.
  • FIG. 8 is a diagram of the ball 43 and the plate member 46 viewed from the front in the axial direction of the shaft 42.
  • FIG. FIG. 8 shows the state in the retracted position.
  • the grooves 70 are a first groove 71 engaged by the ball 43 when the step 28 is in the deployed position and a first groove 71 engaged by the ball 43 when the step 28 is in the retracted position. and a second groove 72 .
  • the first groove 71 and the second groove 72 are provided on the locus 43a.
  • the widthwise center of the first groove 71 and the widthwise center of the second groove 72 are located on the locus 43a.
  • the width direction of the first groove 71 and the second groove 72 is a direction orthogonal to the rotation direction R when viewed in the axial direction of the axis 42d.
  • the first groove 71 is located inside and below the shaft hole 64 in the vehicle width direction.
  • the first groove 71 is a hole penetrating the plate member main body 61 .
  • the first groove 71 is a hole with a smaller diameter than the ball 43 , and the ball 43 engages with the first groove 71 when it reaches the position of the first groove 71 .
  • the first groove 71 is longer in the width direction of the first groove 71 than in the rotation direction R.
  • the second groove 72 is located outside and below the first groove 71 in the vehicle width direction.
  • the second groove 72 is a hole penetrating the plate member main body 61 .
  • the second groove 72 is an elongated hole elongated in the rotation direction R. As shown in FIG.
  • the second groove 72 is longer in the rotation direction R than the first groove 71 .
  • the second groove 72 is longer than the diameter of the ball 43 in the rotational direction R, but the width of the second groove 72 is smaller than the diameter of the ball 43 . Therefore, the ball 43 engages with the second groove 72 when it reaches the position of the second groove 72 .
  • the second groove 72 has a development-side end 72a, which is an end located on the side of the first groove 71 in the rotation direction R, and an end located on the opposite side of the development-side end 72a in the rotation direction R. and an arc portion 72c extending in the rotation direction R between the unfolding side end portion 72a and the storing side end portion 72b.
  • the arc portion 72c connects the deployment side end portion 72a and the storage side end portion 72b in the rotation direction R.
  • the development-side end portion 72 a is formed by a pair of curved corner portions along the contour of the ball 43 and a straight portion connecting the pair of corner portions in the width direction of the second groove 72 .
  • the stowage-side end portion 72b has an inclined portion 73 that decreases the width of the stowage-side end portion 72b from the deployment-side end portion 72a toward the tip 72d of the stowage-side end portion 72b.
  • the storage-side end portion 72b has a triangular shape that tapers from the deployment-side end portion 72a toward the distal end 72d.
  • the inclined portion 73 is composed of two sides forming the tip 72d of the triangle.
  • the plate member main body 61 includes a riding portion 74 on which the ball 43 rides when moving between the first groove 71 and the second groove 72 .
  • the ride-on portion 74 is a portion of the plate member main body 61 located on the locus 43 a between the first groove 71 and the second groove 72 .
  • step 28 When the step 28 is in the deployed position as shown in FIG. 4, the ball 43 is positioned to overlap the first groove 71 as shown in FIG. 1 groove 71 is engaged. Rotation of the step 28 is restricted by the engagement of the ball 43 with the first groove 71 . That is, the step 28 is locked in the deployed position by the lock mechanism 60 . The step 28 is also restricted from rotating downward from the deployed position by a stopper portion (not shown) provided on the step 28 coming into contact with the stay 41 .
  • the step 28 When the step 28 rotates upward from the state shown in FIG. 4, the step 28 is positioned at the retracted position as shown in FIG.
  • the angle of the retracted position relative to the deployed position is less than 90°.
  • the step 28 When the occupant or the like parks the straddle-type vehicle 10, for example, the step 28 is set to the retracted position.
  • the ball 43 rides on the riding portion 74 against the biasing member 44 . Thereby, the lock by the lock mechanism 60 is released, and the step 28 can be rotated upward.
  • the step 28 When the step 28 rotates upward, the ball 43 runs on the riding portion 74 . Ball 43 engages second groove 72 when step 28 is in the retracted position. Rotation of the step 28 is restricted by the engagement of the ball 43 with the second groove 72 . That is, the step 28 is locked in the retracted position by the locking mechanism 60 .
  • the retracted position has a first retracted position and a second retracted position because the second groove 72 is an elongated hole. Even in the closed state, it is movable between the first retracted position and the second retracted position.
  • the ball 43 can move in the rotational direction R in the retracted position.
  • the step 28 is positioned in the first retracted position shown in solid lines in FIG.
  • the step 28 is positioned at the second retracted position indicated by phantom lines in FIG.
  • the top surface of step 28 in the second retracted position is illustrated at top surface 28a'.
  • the top surface of step 28 in the first retracted position is illustrated at top surface 28a.
  • the second retracted position is the uppermost position where the step 28 has been rotated all the way up.
  • the first retracted position is a position in which the step 28 is rotated downward within the length of the second groove 72 with respect to the second retracted position.
  • the ball 43 When the ball 43 is biased toward the storage side end 72b by the biasing member 44 while positioned at the storage side end 72b of the second groove 72, the ball 43 automatically moves along the inclined portion 73 to the deployment side end. It moves to the side of the part 72a. As a result, when the ball 43 is engaged with the second groove 72, the ball 43 is normally in contact between the arc portion 72c and the deployment side end portion 72a. Therefore, in the retracted position, the step 28 is normally located on the side of the first retracted position with respect to the second retracted position.
  • the step 28 When the step 28 is located on the side of the first retracted position, the step 28 becomes compact in the vehicle width direction. It is possible to suppress the vehicle from becoming a vehicle, and parking is easy.
  • the step 28 when the step 28 is located on the side of the first retracted position, the step 28 is open to the outside as compared with the state of the second retracted position, so it is easy to apply force to the step 28 from above. Therefore, the passenger or the like can easily return the step 28 to the deployed position by pushing the step 28 downward with a foot or the like.
  • the ball 43 rides on the riding portion 74 against the biasing member 44 . Thereby, the lock by the lock mechanism 60 is released, and the step 28 can be rotated downward.
  • the step 28 rotates downward, the ball 43 runs on the riding portion 74 .
  • Ball 43 engages first groove 71 when step 28 is in the deployed position.
  • the occupant or the like can move the ball 43 to the storage side end portion 72b and position the step 28 at the second retracted position.
  • the step 28 can be pushed up to the second retracted position to prevent the step 28 from coming into contact with the object, thereby preventing the saddle-riding vehicle 10 from coming into contact with the object. Easy parking.
  • the step 28 when the step 28 hits an object during parking or the like while the step 28 is positioned on the side of the first retracted position, the step 28 can rotate upward and escape to the side of the second retracted position. You can do it and absorb the impact. Therefore, the impact acting on the step 28 and the object hit by the step 28 can be reduced.
  • the step structure 40 of the straddle-type vehicle 10 includes the step 28 provided rotatably about the shaft 42 provided on the stay 41, A ball 43 and a groove 70 are provided between the step 28 and the step 28, and a biasing member 44 that biases the ball 43 against the groove 70.
  • the step 28 is pivotable between a retracted position pivoted upwardly relative to the deployed position, and the engagement of the ball 43 with the groove 70 locks the step 28 in the deployed and retracted positions.
  • Groove 70 includes a first groove 71 engaged by ball 43 in the deployed position and a second groove 72 engaged by ball 43 in the retracted position, second groove 72 being centered about axis 42 .
  • the ball 43 can move in the second groove 72 in the rotation direction R because the second groove 72 has an arc shape extending in the rotation direction R.
  • the step 28 is moved to the second retracted position, which is the uppermost position rotated to the uppermost position within the range of the length of the second groove 72, and to the lower side with respect to the second retracted position. It is movable between a first retracted position, which is a position rotated to the left.
  • the step 28 When the step 28 is in the first retracted position, it is easy for a passenger or the like to apply force to the step 28 from above, so that the retracted state of the step 28 can be easily changed to the deployed state. In addition, by pressing the step 28 by hand to rotate the step 28 to the second retracted position, the amount of protrusion of the step 28 in the vehicle width direction can be minimized. 28 can be prevented from becoming an obstacle.
  • the second groove 72 is longer than the first groove 71 in the rotation direction R. As shown in FIG. With this configuration, a long rotation range of the step 28 can be ensured in the state of the retracted position, so that a passenger or the like can easily apply force to the step 28 from above.
  • the second groove 72 has a deployment side end 72a located on the side of the first groove 71 in the rotation direction R and a storage side end located on the opposite side of the deployment side end 72a in the rotation direction R.
  • the storage-side end portion 72b has an inclined portion 73 that decreases the width of the storage-side end portion 72b from the deployment-side end portion 72a toward the tip 72d of the storage-side end portion 72b. 43 moves along the inclined portion 73 toward the deployment side end portion 72a when the biasing member 44 biases the storage side end portion 72b.
  • the biasing force of the biasing member 44 can be used to move the ball 43 toward the deployment-side end portion 72a. Therefore, the step 28 can be positioned on the side of the first retracted position rotated downward with respect to the second retracted position within the range of the length of the second groove 72 .
  • the second groove 72 has an arc portion 72c extending in the rotation direction R between the deployment side end portion 72a and the storage side end portion 72b. , which tapers toward the tip 72d. According to this configuration, the second groove 72 can be made longer because the second groove 72 has the arc portion 72c. Further, with a simple structure in which the storage side end portion 72b has a triangular shape, the biasing force of the biasing member 44 is utilized to move the step 28 downward to the first retracted position side with respect to the second retracted position. can be positioned.
  • the first groove 71 is longer in the direction orthogonal to the rotation direction R than the rotation direction R. According to this configuration, since the first groove 71 is longer in the direction orthogonal to the rotation direction R than the rotation direction R, there is a manufacturing error in the positional relationship between the first groove 71 and the ball 43 . Even if this occurs, the ball 43 can be properly engaged with the first groove 71 . Therefore, manufacturing errors of the step structure 40 can be easily managed.
  • the stay 41 includes a stay body 45 that supports the shaft 42, a plate member 46 attached to the stay body 45, and the first groove 71 and the plate member 46.
  • a second groove 72 is formed in the plate member 46 . According to this configuration, since the first grooves 71 and the second grooves 72 are formed in the plate member 46, the first grooves 71 and the second grooves 72 can be easily formed.
  • the plate member 46 includes a rotation restricting portion 62 that restricts rotation of the plate member 46 with respect to the stay main body 45 . According to this configuration, the rotation of the plate member 46 can be restricted with a simple structure.
  • the stay main body 45 has an engaging portion 45e with which the rotation restricting portion 62 engages. According to this configuration, the rotation of the plate member 46 can be restricted with a simple structure in which the rotation restricting portion 62 is engaged with the engaging portion 45 e of the stay body 45 .
  • the above-described embodiment shows one mode to which the present invention is applied, and the present invention is not limited to the above-described embodiment.
  • the first groove 71 and the second groove 72 are provided in the plate member 46 of the stay 41 in the above embodiment, the present invention is not limited to this.
  • the first groove 71 and the second groove 72 may be formed in the rear shaft support portion 45 c of the stay body 45 without providing the plate member 46 .
  • the ball 43 is urged toward the storage side end portion 72b by the urging member 44, and is moved along the inclined portion 73 toward the deployment side end portion 72a. The invention is not so limited.
  • the ball 43 may be moved from the storage side end 72b to the deployment side end 72a by gravity acting on the step 28 or the like.
  • the storage side end portion 72b may have the same elongated hole shape as the deployment side end portion 72a.
  • the present invention may be applied to a step structure of a step for a passenger seated behind the passenger.
  • the step structure 40 mounted on the saddle type vehicle 10, which is a motorcycle has been described as an example, but the present invention is not limited to this, and the step structure 40 is a three-wheeled vehicle. It may be provided in a saddle-ride type vehicle and a saddle-ride type vehicle having four or more wheels.
  • the groove includes a first groove with which the ball engages in the deployed position, and the retracted groove.
  • a step of a saddle-riding type vehicle characterized by comprising a second groove with which the ball engages at a position, wherein the second groove has an arcuate shape extending long in a rotational direction around the shaft. structure.
  • the ball can move in the second groove in the rotation direction because the second groove has an arcuate shape extending in the rotation direction.
  • the step moves between the uppermost position rotated to the uppermost position and the position rotated downward from the uppermost position within the range of the length of the second groove. It is possible.
  • the occupant or the like can easily apply force to the steps from above, so that the state in which the steps are retracted can be easily changed to the state in which the steps are deployed.
  • the step by hand and rotating it to the highest position the amount of protrusion of the step in the vehicle width direction can be minimized, and the step does not interfere with parking. can be suppressed.
  • (Arrangement 2) The step structure for a straddle-type vehicle according to Arrangement 1, wherein the second groove is longer than the first groove in the rotational direction. According to this configuration, a long rotation range of the step can be ensured in the state of the retracted position, so that the occupant or the like can easily apply force to the step from above.
  • the second groove has a development side end located on the side of the first groove in the rotation direction and a storage side located on the opposite side of the deployment side end in the rotation direction.
  • the storage-side end has an inclined portion that decreases the width of the storage-side end from the deployment-side end toward the tip of the storage-side end, and the ball 3.
  • the step of a saddle-riding type vehicle according to any one of configurations 1 and 2, wherein when the step is urged toward the storage side end by the urging member, the step moves toward the deployment side end along the inclined portion. structure.
  • the ball can be moved toward the deployment-side end by using the biasing force of the biasing member. Therefore, the step can be positioned at a position rotated downward from the uppermost position within the range of the length of the second groove.
  • the second groove has an arc portion extending in the rotation direction between the deployment-side end and the storage-side end.
  • the step can be positioned at a position rotated downward from the uppermost position by utilizing the biasing force of the biasing member.
  • the stay includes a stay body that supports the shaft, and a plate member attached to the stay body, the first groove and the The step structure for a straddle-ride type vehicle according to any one of configurations 1 to 5, wherein the second groove is formed in a plate member. According to this configuration, since the first groove and the second groove are formed in the plate member, the first groove and the second groove can be easily formed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)
PCT/JP2022/032620 2021-11-22 2022-08-30 鞍乗り型車両のステップ構造 Ceased WO2023089903A1 (ja)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230312040A1 (en) * 2022-04-04 2023-10-05 Yamaha Hatsudoki Kabushiki Kaisha Straddled vehicle
CN117799732A (zh) * 2023-12-26 2024-04-02 新大洲本田摩托(苏州)有限公司 一种平面轨道主动引导式自动弹跳脚踏机构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262585U (https=) * 1985-10-11 1987-04-18
CN103359218A (zh) * 2012-04-10 2013-10-23 东洋建苍电机股份有限公司 脚踏板装置
CN213109609U (zh) * 2020-09-28 2021-05-04 无锡玥辉金属科技有限公司 一种车辆搁脚

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6262585U (https=) * 1985-10-11 1987-04-18
CN103359218A (zh) * 2012-04-10 2013-10-23 东洋建苍电机股份有限公司 脚踏板装置
CN213109609U (zh) * 2020-09-28 2021-05-04 无锡玥辉金属科技有限公司 一种车辆搁脚

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230312040A1 (en) * 2022-04-04 2023-10-05 Yamaha Hatsudoki Kabushiki Kaisha Straddled vehicle
US12344343B2 (en) * 2022-04-04 2025-07-01 Yamaha Hatsudoki Kabushiki Kaisha Straddled vehicle
CN117799732A (zh) * 2023-12-26 2024-04-02 新大洲本田摩托(苏州)有限公司 一种平面轨道主动引导式自动弹跳脚踏机构

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