WO2023162098A1 - Pédale de bicyclette - Google Patents

Pédale de bicyclette Download PDF

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Publication number
WO2023162098A1
WO2023162098A1 PCT/JP2022/007672 JP2022007672W WO2023162098A1 WO 2023162098 A1 WO2023162098 A1 WO 2023162098A1 JP 2022007672 W JP2022007672 W JP 2022007672W WO 2023162098 A1 WO2023162098 A1 WO 2023162098A1
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WO
WIPO (PCT)
Prior art keywords
cleat
connecting portion
pedal
rear end
fixing
Prior art date
Application number
PCT/JP2022/007672
Other languages
English (en)
Japanese (ja)
Inventor
将行 木村
Original Assignee
株式会社グロータック
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 株式会社グロータック filed Critical 株式会社グロータック
Priority to PCT/JP2022/007672 priority Critical patent/WO2023162098A1/fr
Priority to JP2022513044A priority patent/JP7179396B1/ja
Publication of WO2023162098A1 publication Critical patent/WO2023162098A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M3/00—Construction of cranks operated by hand or foot
    • B62M3/08—Pedals

Definitions

  • the present invention relates to a bicycle pedal that allows shoes to be fixed via cleats fixed to the shoe sole.
  • a bicycle pedal in which a shoe is fixed via a cleat fixed to a shoe sole
  • a bicycle pedal disclosed in Patent Document 1 is disclosed.
  • Such a bicycle pedal includes a spindle that serves as a pedal axis, a pedal body with a central tubular shaft support, a front clamping member, and a rear clamping member.
  • Front and rear clamping members are connected to the upper surface of the pedal body and define a cleat engagement mechanism arranged to move between a clamped position and an open position.
  • Two torsion springs are connected between the pedal body and the rear clamp member.
  • the cleat is engaged with the pedal by pushing the cleat into the pedal with forward and downward motion (stepping action).
  • the cleat is thereby releasably locked to the pedal.
  • the cleat can be released from the pedal by bending the heel of the shoe out of the pedal.
  • a bicycle pedal according to Invention 1 is a bicycle pedal in which a shoe can be fixed via a cleat fixed to a shoe sole, and a second part connected to the tip of the cleat. and a second connecting portion connected to the rear end portion of the cleat, movable in the front-rear direction, and biased toward the first connecting portion.
  • a cleat fixing position where the cleat is clamped back and forth together with the first connecting portion and fixed to the pedal body, and a cleat removing position on the rear side of the cleat fixing position, and the second connecting portion is fixed to the cleat.
  • a cleat fixing force adjustment mechanism that adjusts the biasing force in the direction to fix the cleat to be weaker than the biasing force at the cleat fixing position when the cleat is moved from the position toward the cleat removal position by a predetermined distance or more; .
  • the second connecting portion is provided rotatably around an axis parallel to the pedal shaft, and is connected to the rear end portion of the cleat. and an elastic member having one end supported by the connecting claw and the other end supported rearward of the rear end of the pedal body for applying the biasing force to the claw.
  • the cleat fixing force adjustment mechanism has a support mechanism that supports the other end of the elastic member so as to be movable in the vertical direction, and changes the biasing direction of the elastic member by rotating the second connecting portion. By doing so, the urging force in the direction of fixing the cleat is adjusted to be weakened according to the movement from the cleat fixing position toward the cleat removing position by a predetermined distance or more.
  • a bicycle pedal according to Invention 4 is a bicycle pedal in which a shoe can be fixed via a cleat fixed to a shoe sole, and is connected to the tip of the cleat. a second connecting portion connected to the rear end portion of the cleat and movable in the front-rear direction and biased toward the first connecting portion; and the cleat of the second connecting portion. a cleat rotation position adjusting mechanism for adjusting the lateral position of the connecting portion with the rear end.
  • the cleat fixing force adjustment mechanism moves the second connecting portion from the cleat fixing position.
  • the cleat fixing force is made weaker than that at the cleat fixing position when moving backward by a predetermined distance or more.
  • the cleat can be removed from the bicycle pedal with a weaker force than in the past.
  • the bicycle pedal of invention 2 it is possible to obtain the same actions and effects as those of invention 1.
  • the position of the portion of the second connecting portion that is connected to the rear end portion of the cleat in the left-right direction can be adjusted.
  • Direction position can be adjusted.
  • the same actions and effects as those of the bicycle pedal of invention 3 can be obtained.
  • BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows one structural example of the bicycle pedal 1 which concerns on embodiment, (a) is a top view, (b) is a bottom view.
  • BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing one configuration example of a bicycle pedal 1 according to an embodiment, where (a) is a perspective view seen from the plane side and (b) is a perspective view seen from the bottom side; BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows one structural example of the bicycle pedal 1 which concerns on embodiment, (a) is a right eye view, (b) is a rear view.
  • FIG. (a) is a view showing a spindle shaft
  • (b) is an exploded perspective view of the bicycle pedal 1.
  • FIG. (a) and (b) are diagrams for explaining a configuration for adjusting the Q factor by adjusting the mounting position of the spindle unit 10 with respect to the spindle mounting member 60.
  • FIG. Fig. 3 is a partial plan view showing a state in which the bicycle pedal 1 is attached to a bicycle crank arm 300;
  • (a) is a diagram showing the positional relationship among the claw portion 25, the elastic member 26, and the cleat fixing force adjustment screw 32 when the claw portion 25 is in the initial position where it does not engage with the cleat;
  • FIG. 8C is a diagram showing the magnitude of the cleat fixing force when the pawl portion 25 is at the cleat removing position;
  • FIG. (a) is a perspective view showing the cleat 100 fixed at the cleat fixing position, and (b) is a perspective view showing the cleat 100 rotated to the cleat removal position.
  • (a) to (c) are diagrams showing the deformation state of the elastic member and the displacement state of the cleat fixing force adjusting screw with respect to the movement of the pawl portion in the prototype.
  • (a) to (c) are diagrams for explaining the procedure for adjusting the left and right positions of the claw portion using the prototype.
  • FIG. (a) and (b) are bottom views of the bicycle pedal 1 before and after adjusting the left and right positions of the pawl portion 25.
  • FIG. (a) and (b) are plan views of the bicycle pedal 1 before and after adjusting the left and right positions of the pawl portion 25.
  • 1 to 12 are diagrams showing embodiments.
  • 1A and 1B are diagrams showing one configuration example of a bicycle pedal 1 according to the present embodiment, where (a) is a plan view and (b) is a bottom view.
  • 2A and 2B are perspective views showing one configuration example of the bicycle pedal 1 according to the present embodiment, where (a) is a perspective view seen from the plane side, and (b) is a perspective view seen from the bottom side. It is a perspective view.
  • 3A and 3B are diagrams showing one configuration example of the bicycle pedal 1 according to the present embodiment, where (a) is a right eye view and (b) is a rear view.
  • FIG. 4(a) is a view showing the spindle shaft
  • FIG. 4(b) is an exploded perspective view of the bicycle pedal 1
  • FIG. 10 is a diagram for explaining a configuration for adjusting the Q factor by adjusting the mounting position with respect to the member 60
  • FIG. 6 is a diagram showing a state in which the bicycle pedal 1 is attached to the crank arm 300.
  • FIG. 7(a) is a diagram showing the positional relationship among the claw portion 25, the elastic member 26 and the cleat fixing force adjusting screw 32 when they are in the initial position where they are not engaged with the cleat
  • FIG. 7(b) shows the claw portion.
  • FIG. 7(c) is a diagram showing the magnitude of the cleat fixing force when the pawl portion 25 is at the cleat removing position.
  • FIG. . 8A is a perspective view showing the cleat 100 fixed at the cleat fixing position
  • FIG. 8B is a perspective view showing the cleat 100 rotated to the cleat removal position.
  • the configuration will be described below based on the directions indicated by the arrows in FIG. That is, the left and right sides remain in the same direction, the front side being the front side, the rear side being the rear side, the plane being the top side, and the bottom side being the bottom side.
  • the direction facing from the left side to the right side is defined as right, the opposite is defined as left, the direction facing from the rear to the front is forward, the opposite is defined as rear, the direction from the bottom to the plane is defined as upward, and the opposite is defined as downward.
  • the bicycle pedal 1 of this embodiment is a step-in type pedal to which a shoe can be attached via a cleat attached to the sole. Since the left and right pedals of the bicycle pedal 1 are mirror images of each other and have the same configuration, only the right pedal will be described.
  • the bicycle pedal 1 includes a spindle unit 10, a pedal body 20, It includes a cleat fixing force adjusting mechanism 30 , a cover 40 , a cleat rotation position adjusting mechanism 50 and a spindle mounting member 60 .
  • the pedal body 20 has a substantially rectangular center portion 29 in plan view to which the spindle unit 10 is attached on the lower surface side, a substantially trapezoidal front end portion 21 projecting forward from the spindle unit 10 as a boundary, and the spindle unit 10 . and a rear end portion 22 having a substantially trapezoidal shape in a plan view and protruding rearward from the boundary.
  • the spindle unit 10 has a spindle cover 11 and a spindle body 12 .
  • the spindle body 12 has a substantially truncated cone-shaped shaft portion 120 whose center portion tapers from one end side to the other end side, and the other end of the shaft portion 120 . It comprises an outer end 121 , a mounting end 122 provided at one end of the shaft 120 , bearings 124 and 125 , and a bearing 126 .
  • the outer end portion 121 is formed of a substantially cylindrical body extending outward from the other end of the shaft portion 120 along the longitudinal direction with the same diameter as the other end and having a hexagonal hole formed at the tip. , extending outward from one end of the shaft portion 120 along the longitudinal direction with the same diameter as the one end, and having a hexagonal hole formed at the tip and a thread groove formed on a part of the outer peripheral surface of the one end side. and a flange portion 122b provided at the boundary between the thread grooves on the one end side and the other end side.
  • the bearings 124 and 125 have the inner ring fixed to the outer end 121 by fitting the portion of the outer end 121 on the shaft 120 side inside the inner ring, and the bearing 126 has the mounting end 122 inside the inner ring.
  • the inner ring is fixed to the mounting end portion 122 by inserting the portion on the other end side of the flange portion 122b.
  • the spindle cover 11 has a substantially bottomed cylindrical cover body 110 whose outer shape is octagonal in cross section and whose inner shape is circular in cross section. and a cylindrically bulging bearing enclosing portion 111 for accommodating a bearing 126 provided at the open end of the cover body 110 .
  • grooves 112a, 112b, 112c, 112d, and 112e are provided near one end in the longitudinal direction of the cover body 110 and are formed along the outer peripheral surface along the circumferential direction and provided at regular intervals along the longitudinal direction. is provided with a position adjusting groove 112 having a The grooves 112a to 112e are formed in a circular cross section.
  • the spindle unit 10 is configured by housing the spindle body 12 inside the spindle cover 11 so that the mounting shaft portion 122a and the flange portion 122b of the mounting end portion 122 are exposed to the outside.
  • the outer rings of bearings 124 and 125 of spindle body 12 are fixed to the inner peripheral surface of cover body 110
  • the outer ring of bearing 126 is fixed to the inner peripheral surface of bearing enclosure 111 .
  • the spindle cover 11 is rotatable around the axis of the spindle body 12 .
  • the spindle mounting member 60 has a shape in which a substantially trapezoidal plate in a plan view is curved downward around a longitudinal axis.
  • a mounting portion 61 that protrudes upward is provided at the end of the upper bottom side (rear end side), and screw holes penetrating from the top to the bottom are provided at both ends of the mounting portion 61 in the longitudinal direction.
  • 61h is provided. Further, under the screw holes 61h of the mounting portion 61, accommodation portions 61c are provided to accommodate round nuts 65 communicating with the respective screw holes 61h.
  • mounting portions 62 protruding upward are provided at both ends in the longitudinal direction of the bottom side (front end side), and the mounting portions 62 each penetrate from the upper side to the lower side.
  • a screw hole 62h is provided.
  • accommodation portions 62c are provided for accommodating round nuts 65 communicating with the respective screw holes 62h.
  • the spindle mounting member 60 extends along the circumferential direction and is erected at intervals along the longitudinal direction at the center of the longitudinal direction of the curved portion 63 between the mounting portions 61 and 62.
  • Protrusions 64a and 64b are provided. These protrusions 64a and 64b are configured to be fittable into two adjacent grooves among the grooves 112a to 112e of the position adjustment groove 112. As shown in FIG.
  • the left and right ends of the front end frame portion 211 of the front end portion 21 of the pedal body 20 have three screw holes each partially overlapping and connected in the front and rear direction.
  • An adjustment screw hole 21H is provided to penetrate vertically.
  • cleat front-rear position adjustment screws are provided in the left and right ends of the front end portion of the rear end frame portion 221 of the rear end portion 22 of the pedal body 20, and three screw holes are partially overlapped and connected in the front-rear direction.
  • a hole 22H is provided to penetrate vertically.
  • the cover 40 is made of a thin plate-like member that is substantially U-shaped in plan view, and is attached to any four of the screw holes 21H and 22H for cleat front-rear position adjustment on the upper surface of the pedal body 20 at the same time.
  • screw holes 40H are provided so as to penetrate vertically at positions coaxially overlapping with each other.
  • the spindle unit 10 is arranged such that the spindle mounting member 60 is curved in any two grooves adjacent to each other in the longitudinal direction of the position adjustment grooves 112 provided in the spindle cover 11. It is attached to the spindle attachment member 60 by fitting the protrusions 64 a and 64 b provided on the portion 63 .
  • the position of the spindle unit 10 can be adjusted in four stages in the direction indicated by the arrows in FIG. 5(b). That is, the Q factor (distance between left and right pedals) can be adjusted.
  • the spindle mounting member 60 to which the spindle unit 10 is mounted is mounted on the bottom side of the pedal body 20 via the cover 40 , the mounting screw 41 and the round nut 65 . That is, alignment is performed so that the screw hole 40H of the cover 40 and the screw holes 61h and 62h of the spindle mounting member 60 are coaxially overlapped via the screw holes 21H and 22H for cleat longitudinal position adjustment.
  • two mounting screws 41 are passed through the screw hole 40H, the screw hole 21H for cleat front-rear position adjustment, and the screw hole 62h in this order from the upper side of the front end portion 21 of the cover 40, and screwed into the screw hole of the round nut 65. do.
  • the position of the cleat in the longitudinal direction with respect to the spindle unit 10 can be adjusted by adjusting the mounting position of the spindle unit 10 with respect to the screw holes 21H and 22H for cleat longitudinal position adjustment.
  • the stack height (spindle body 12 center (axis) to the sole) can be adjusted.
  • it is also possible to adjust the cant angle by inserting a thick spacer 80 so that the angle of the sole (cant angle) becomes flat when the shoe is fixed to the bicycle pedal 1 via the cleat 100. can.
  • the bicycle pedal 1 is connected to the crank shaft 310 of the crank arm 300 via the mounting shaft portion 122a of the spindle unit 10, and is configured to rotate integrally with the crank arm 300. It is Further, the pedal body 20 is rotatable around the axis of the spindle unit 10 while being connected to the crank arm 300 .
  • the front end 21 of the pedal body 20 is shown in FIGS. 1(a) and (b), FIGS. 2(a) and (b), FIGS. 3(a) and (b) and FIGS. , there is provided a front end frame portion 211 that forms a front end opening hole 210 that opens in a substantially trapezoidal shape in plan view. Further, the front end portion of the front end frame portion 211 is provided with a front connecting portion 23 that is connected to the front end cleat side engaging surface 101 that is provided at the front end portion of the cleat 100 and has a substantially crescent shape in plan view.
  • the rear end portion 22 of the pedal main body 20 has a rear end frame portion 221 forming a rear end opening hole 220 that opens in a generally convex shape in plan view.
  • the rear end portion 22 is provided with a rear connecting portion 24 that is connected to a rear end cleat-side engagement surface 102 that is provided at the rear end portion of the cleat and has a substantially oblong trapezoidal shape in a plan view.
  • the front connecting portion 23 has a front cleat engaging surface 230 formed in a stepped manner with a part of the front end frame portion 211 on the side of the rear end opening hole 220 on the lower surface of the front end of the front end frame portion 211, which is thinned in a substantially crescent shape.
  • the front cleat engaging surface 230 is a surface that faces downward when the cleat 100 is connected, and is the front end cleat side engaging surface 101 of the cleat 100 that is inserted into the rear end opening hole 220 from the upper side of the pedal body 20. It is an engagement surface that engages (abuts).
  • the rear connecting portion 24 includes a claw portion 25, an elastic member 26 for applying cleat fixing force for fixing the cleat 100 to the claw portion 25, and a pedal shaft (spindle) for rotatably supporting the claw portion 25.
  • a support shaft 27 parallel to the unit 10) and a fixing screw 28 for fixing the support shaft 27 to the rear end portion 22 are provided.
  • the claw portion 25 is opposed to the engaging claw portion 250 arranged above the rear end opening hole 220 in the left-right direction, which is provided to protrude downward from the left and right positions of the lower end of the engaging claw portion 250 .
  • the engaging pawl 250 moves rearward at the initial position where it does not engage with the cleat 100. It has an upper surface 250a that slightly inclines downward and a first inclined surface 250b that extends obliquely downward and forward from the front end of the upper surface 250a. In addition, it has a second inclined surface 250c extending obliquely downward and forward from the front end of the first inclined surface 250b and a front end surface 250d slightly extending downward from the front end of the second inclined surface 250c.
  • a rear cleat engaging surface 250e extending rearward from the lower end of the front end surface 250d with a slight inclination upward, and a rear end surface 250f extending obliquely downward forward from the rear end of the upper surface 250a. Furthermore, a recess 250S recessed forward is provided in the center of the rear end surface 250f in the left and right direction.
  • first inclined surface 250b and the second inclined surface 250c are the rear end cleat-side engaging surface 102 of the cleat 100 and the cleat-side engaging surface 102 of the cleat 100 when stepping from above by a user who wears a shoe with the cleat 100 attached to the sole. It abuts on the rear surface and has a role of guiding the rear end cleat side engaging surface 102 to a position where it engages with the lower rear cleat engaging surface 250 e of the engaging claw portion 250 .
  • shaft holes 251h through which the support shafts 27 are inserted are provided in the lower ends of the left support portion 251L and the right support portion 251R of the claw portion 25 so as to penetrate in the left-right direction. ing.
  • FIGS. 2(a) and (b), and FIGS. 3(a) and (b), the rear end frame portion 221 of the rear end portion 22 of the pedal body 20 is shown.
  • Shaft holes 223 having the same diameter as the shaft holes 251h are coaxially provided through the shaft holes 251h of the left support portion 251L and the right support portion 251R.
  • screw holes 224 (see FIG. 10) communicating with the shaft holes 223 are formed in the lower surface sides of the left and right ends of the rear end frame portion 221 of the rear end portion 22 .
  • screw holes 27h for fixing itself to the rear end portion 22 of the pedal body 20 are provided at both ends of the support shaft 27 in the longitudinal direction.
  • the support shaft 27 is inserted, for example, through the shaft hole 223 on the left side of the pedal body 20, through the shaft holes 251h of the left support portion 251L and the right support portion 251R, and into the shaft hole 223 on the right side.
  • a gap 51 is formed between the inner side surfaces of the left and right ends of the rear end frame portion 221 of the rear end portion 22 and the outer side surfaces of the left and right support portions 251L and 251R.
  • Annular spacers 52 each having an inner diameter larger than the outer diameter of the support shaft 27 are arranged so as to pass through the support shaft 27 on the left and right sides. These two spacers 52 are components of the cleat rotation position adjustment mechanism 50 .
  • the support shaft 27 is provided at both ends of the support shaft 27 and a screw hole 224 communicating with a shaft hole 223 provided on the lower surface side of the left and right end portions of the rear end frame portion 221 of the rear end portion 22 . It is fixed to the rear end portion 22 by a fixing screw 28 via a screw hole 27h.
  • the engaging claw portion 250 can be moved in the front-rear direction.
  • the front end side portions of the left and right support portions 251L and 251R of the claw portion 25 are in contact with the inner peripheral surface of the front end portion of the rear end frame portion 221. , is configured so as not to be able to move forward from the initial position.
  • the spring support portion 252 is provided on the shaft portion 252a and the central portion in the longitudinal direction of the shaft portion 252a so as to protrude rearward. and a cylindrical or columnar spring engaging portion 252b.
  • the spring engaging portion 252b is integrally fixed to the shaft portion 252a.
  • the shaft portion 252a is rotatably supported about the axis in a shaft hole 251h2 provided through the rear end portion of the vertical intermediate portion of the left and right support portions 251L and 251R. That is, when the claw portion 25 rotates rearward, the shaft portion 252a rotates and the spring engaging portion 252b also rotates.
  • the elastic member 26 is composed of a compression coil spring.
  • the spring engaging portion 252 b of the spring support portion 252 is supported by being inserted inside, and the other end portion is supported by the spring support portion 31 that constitutes the cleat fixing force adjustment mechanism 30 .
  • the elastic member 26 is contracted by a predetermined length so that the claw portion 25 is biased toward the front connecting portion 23 at the initial position of the claw portion 25 when the cleat 100 is not engaged with the rear connecting portion 24 . installed in good condition.
  • the spring support portion 31 has a substantially octagonal plate shape when viewed from the rear and has a horizontal width and a vertical width longer than the inner diameter of the elastic member 26, and has a screw hole formed through the plate surface at the center of the plate surface. and a substantially cylindrical spring engaging portion 31b having a screw hole communicating with the screw hole of the plate-like body 31a and fixed to the front side of the plate-like body 31a.
  • the cleat fixing force adjusting screw 32 has a pan-shaped screw head 32a with a hexagonal hole and a screw shaft 32b longer than the length of the screw hole of the spring support portion 31. As shown in FIG.
  • the cleat fixing force adjusting screw 32 is attached to the spring support portion 31 by screwing the screw shaft 32 b into the screw hole of the spring support portion 31 .
  • the screw head support hole 33 is provided for the screw head 32a of the cleat fixing force adjusting screw 32, which is provided through the center of the rear end of the rear end frame portion 221 of the rear end portion 22 of the pedal body 20 in the front-rear direction. It is composed of a through hole with a diameter shorter than the diameter.
  • the spring supporting portion 31 is inserted inside the spring engaging portion 31b from the other end side of the elastic member 26 so that the plate-like body 31a contacts the other end portion of the elastic member 26.
  • the screw head 32 a of the cleat fixing force adjusting screw 32 is pressed against the screw head support hole 33 from the inner peripheral surface side of the rear end frame portion 221 to be attached.
  • the position of the plate-like body 31a that presses the other end of the elastic member 26 can be adjusted.
  • the fixing force (biasing force) at the cleat fixing position (initial position) can be adjusted.
  • a user wearing shoes with a cleat 100 attached to the sole inserts the front end portion of the cleat 100 into the front end opening hole 210 of the bicycle pedal 1 so that the front end cleat side engaging surface 101 is in front of the front connecting portion 23 .
  • a stepping motion is performed while contacting the cleat engaging surface 230 .
  • the rear surface of the cleat-side engaging surface 102 of the cleat 100 comes into contact with the first inclined surface 250b of the engaging pawl portion 250 at the initial position.
  • the claw portion 25 rotates around the support shaft 27 while contracting the elastic member 26, and the engaging claw portion 250 moves rearward while bowing, and the rear surface is the first inclined surface 250b. guided along.
  • the rear surface abuts against the second inclined surface 250c, and by stepping further in this state, the claw portion 25 rotates around the support shaft 27 while further contracting the elastic member 26, and the engaging claw portion 250 moves rearward. Then, it moves while bowing further, and the back surface is guided along the second inclined surface 250c.
  • the rear end cleat-side engaging surface 102 eventually enters the lower side of the engaging pawl portion 250, and the reaction force of the elastic member 26 rotates the pawl portion 25 in the opposite direction around the support shaft 27 to engage.
  • the matching pawl portion 250 returns to the initial position on the front side.
  • the front cleat side engaging surface 101 abuts the front cleat engaging surface 230
  • the rear cleat side engaging surface 102 abuts the rear cleat engaging surface 250e. state.
  • the cleat 100 is sandwiched between the front connecting portion 23 and the rear connecting portion 24 and fixed to the bicycle pedal 1 .
  • the front connecting portion 23 and the rear connecting portion 24 are configured such that the initial position and the cleat fixing position where the cleat 100 is fixed are substantially the same position or the same position. In the following description, it is assumed that the initial position and the cleat fixing position are the same. Next, the operation for removing the cleat 100 (shoes) fixed to the bicycle pedal 1 from the bicycle pedal 1 will be described. When removing the cleat 100 fixed to the bicycle pedal 1 from the bicycle pedal 1, the user rotates the rear end side of the cleat 100 inward or outward with the distal end side as a fulcrum.
  • the cleat 100 is rotated inward, and this rotation causes the engaging pawl portion 250 to be pushed by the oblique rear end surface of the cleat 100, causing the pawl portion 25 to rotate around the support shaft 27. , and the engaging claw portion 250 moves while bowing backward while contracting the elastic member 26 . That is, the cleat 100 has a substantially convex shape in a plan view, and the width of the rear end is longer than the width of the front end. Therefore, by rotating the front end portion as a fulcrum, the length in the front-rear direction is longer than in the fixed state, and the engaging claw portion 250 is pushed.
  • FIGS. 9A to 9C are diagrams showing the deformation state of the elastic member 26 and the displacement state of the cleat fixing force adjusting screw 32 with respect to the movement of the engaging pawl portion 250 of the bicycle pedal 1 prototype.
  • the engagement pawl portion 250 is pressed with a finger, but the cleat 100 is rotated inwardly or outwardly around its tip portion as a fulcrum to remove the cleat 100 from the bicycle pedal 1. It corresponds to the deformation state of the elastic member 26 and the displacement state of the cleat fixing force adjusting screw 32 with respect to the movement of the engaging claw portion 250 .
  • FIGS. 9(a) to 9(c) the same components as those of the bicycle pedal 1 are denoted by the same reference numerals.
  • the cleat fixing force can be adjusted by the cleat fixing force adjustment mechanism 30 when the cleat 100 is removed.
  • the reaction force Fb of the elastic member 26 is applied in the direction of the broken line arrow, as indicated by the broken line arrow in FIG. 7(b).
  • the length of the arrow indicates the magnitude of the force.
  • the cleat fixing force Ff that presses the rear end portion of the cleat 100 obliquely upward is shown by the dashed-dotted arrow in FIG. 7(b), and is a relatively large force. That is, enough force is applied to prevent the cleat 100 from slipping out while pedaling.
  • a solid line in FIG. 7B indicates the axis 26a of the elastic member 26. As shown in FIG.
  • the screw head 32 a of the cleat fixing force adjusting screw 32 slides in a direction (upward) in which the hexagonal hole faces obliquely upward, and along with this, the upper end of the plate-like body 31 a of the spring support portion 31 moves out of the screw head support hole 33 . Move away. As a result, the spring engaging portion 31b moves downward while pushing the other end portion of the elastic member 26 from the inside. In addition, the spring support portion 252 that supports one end of the elastic member 26 rotates as the claw portion 25 rotates, and the spring engaging portion 252b pushes the one end of the elastic member 26 upward from the inside. Moving.
  • the orientation of the elastic member 26 changes significantly compared to the cleat fixed position, and the direction of the reaction force Fb of the elastic member 26 changes significantly toward the support shaft 27 side.
  • the rear end face 250f of the engaging claw portion 250 faces substantially downward, and part of the elastic member 26 is accommodated in the recess 250S.
  • the direction of the axis 26a of the elastic member 26 greatly changes toward the support shaft 27 compared to the axis 26a in FIG. 7(b).
  • the reaction force Fb indicated by the dashed arrow in 7(c) is directed substantially toward the support shaft 27 side.
  • the cleat fixing force Ff indicated by the dashed-dotted arrow in FIG. 7(c) becomes extremely small compared to the cleat fixing position shown in FIG. 7(b).
  • the state in which the cleat fixing force Ff becomes smaller than that at the cleat fixing position is that the direction of the axis 26a of the elastic member 26 changes and the direction of the reaction force Fb changes to the support shaft 27 side. occur.
  • the state in which the cleat fixing force Ff is smaller than that in the cleat fixing position is when the engaging claw portion 250 is positioned rearward of the position shown in FIG.
  • the cleat fixing force Ff becomes smaller as the cleat removal position is approached, and becomes minimum at or near the cleat removal position.
  • FIGS. 10A to 10C are diagrams for explaining the procedure for adjusting the cleat rotation position of the pawl portion 25 using a prototype.
  • 11(a) and 11(b) are bottom views of the bicycle pedal 1 before and after adjusting the left and right positions of the claw portion 25.
  • FIG. 12(a) and 12(b) are plan views of the bicycle pedal 1 before and after adjusting the left and right positions of the claw portion 25.
  • FIG. 10(a) to 10(c) the same reference numerals are given to the same components as those of the bicycle pedal 1. As shown in FIG.
  • the cleat rotation position adjustment mechanism 50 is a mechanism for adjusting the cleat rotation position around the axis perpendicular to the pedal surface by adjusting the lateral position of the claw portion 25 .
  • the cleat rotation position adjustment mechanism 50 includes outer surfaces of the left and right support portions 251L and 251R of the claw portion 25 and It includes a gap 51 between the outer surface and the inner surface of the left and right ends of the rear end frame portion 221 of the rear end portion 22 facing the outer surface, and a spacer 52 arranged in the gap 51 .
  • the cleat rotation position is adjusted by removing the fixing screw 28 that secures the support shaft 27, pulling out a part of the support shaft 27 to the right side, and inserting it into the gap 51 on the left side. Remove the placed spacer 52 .
  • the support shaft 27 is pulled out to the left.
  • the engaging claw portion 250 is moved to the left until the gap 51 on the left side disappears, and the removed spacer 52 is arranged in the gap 51 on the right side. That is, as shown in FIG. 10(c), two spacers 52 are overlapped and arranged in the gap 51 on the right side which is expanded by moving the engaging claw portion 250 .
  • the support shaft 27 is returned to the original insertion position and fixed with the fixing screw 28 .
  • the bicycle pedal 1 comprises a spindle unit 10 having a spindle body 12 with an attachment end 122 that attaches to the crankshaft 310 of a crank arm 300 of a bicycle, and a a pedal body 20 having a front end 21 and a rear end 22 which are attached to the other end side so as to be rotatable about the axis of the spindle body 12 and protrude forwardly and rearwardly of the spindle unit 10; A front connecting portion 23 provided on the upper surface of the front end portion 21 and connected to the tip portion of the cleat 100, and a front connecting portion 23 provided on the upper surface of the rear end portion 22 of the pedal body 20 and connected to the rear end portion of the cleat 100 and extending in the front-rear direction.
  • the rear connecting portion 24 moves between a cleat fixing position where the cleat 100 is clamped back and forth together with the front connecting portion 23 and fixed to the pedal body 20, and a cleat removal position on the rear side of the cleat fixing position.
  • the cleat fixing force Ff which is the biasing force in the direction to fix the cleat 100, is It is configured to include a cleat fixing force adjusting mechanism 30 that is adjusted to be weaker than when the engaging claw portion 250 is positioned at the cleat fixing position.
  • the rear connecting portion 24 is rotatably supported by the rear end portion 22 of the pedal body 20 and connected to the rear end portion of the cleat 100 by a claw portion 25 , and one end portion is supported by the claw portion 25 .
  • the pedal body 20 has an elastic member 26 whose other end portion is supported on the rear side of the upper surface of the rear end portion 22 of the pedal body 20 and which imparts an urging force to the claw portion 25 toward the front connecting portion side.
  • the cleat fixing force adjusting mechanism 30 has a spring supporting portion 31 and a cleat fixing force adjusting screw 32 that support the other end of the elastic member 26 so as to be movable in the vertical direction.
  • the support position of the other end of the elastic member 26 is changed in response to movement of a predetermined distance or more from the cleat fixing position toward the cleat removal position by rotation, thereby changing the urging direction of the elastic member 26, thereby removing the cleat 100. Adjustment is made so that the force in the fixing direction (cleat fixing force Ff) is weakened.
  • the engagement claw portion 250 of the claw portion 25 is moved backward by turning the cleat 100 inward or outward.
  • the cleat fixing force adjusting mechanism 30 changes the direction of the reaction force Fb of the elastic member 26 to the support shaft 27 side to reduce the cleat fixing force Ff. can do.
  • the cleat 100 can be removed from the bicycle pedal 1 with a weaker force than a conventional configuration that biases, for example, a torsion spring.
  • the bicycle pedal 1 is provided with the cleat rotation position adjustment mechanism 50 that can adjust the position of the cleat 100 in the rotation direction by adjusting the position of the pawl portion 25 in the left-right direction.
  • the cleat rotation position adjusting mechanism 50 includes outer surfaces of the left and right support portions 251L and 251R of the pawl portion 25 and inner surfaces of the left and right end portions of the rear end frame portion 221 of the rear end portion 22 facing these outer surfaces. and spacers 52 arranged in the gaps 51 .
  • the fixing screw 28 is removed, the support shaft 27 is moved, the left or right spacer 52 is removed, and then the claw portion 25 is moved to the side where the spacer 52 is removed. Then, two spacers 52 are superimposed in the gap 51 on either the left or the right side, which is widened by this movement, and the support shaft 27 is returned to its original position and fixed with the fixing screw 28, so that the left and right sides of the claw portion 25 can be moved.
  • Direction position can be adjusted.
  • the position of the cleat 100 in the direction of rotation can be adjusted on the bicycle pedal 1 side.
  • the position of the cleat 100 was adjusted in the rotational direction by adjusting the attachment position of the cleat 100 to the sole. Since adjustment is also possible, there is a problem that when the position is adjusted to the maximum in one of the forward and backward directions, it becomes impossible to adjust the position in the rotational direction. Alternatively, there is a problem that the position adjustment in the rotational direction cannot be sufficiently performed in combination with the position adjustment in the front-rear direction. With the cleat rotation position adjustment mechanism 50 of the present embodiment, the rotation position can be adjusted on the pedal side, so it is possible to assist when the rotation position adjustment on the cleat side cannot be performed or is insufficient. .
  • the bicycle pedal 1 is moved laterally with respect to the pedal body 20 of the spindle unit by the position adjusting groove 112 provided in the spindle cover 11 and the projections 64a and 64b provided in the spindle mounting member 60. It is configured so that the mounting position in the direction can be adjusted. With such a configuration, the Q factor can be adjusted in the bicycle pedal 1 . Further, in the present embodiment, the bicycle pedal 1 is attached to the pedal body 20 by screw holes 21H and 22H for cleat longitudinal position adjustment provided in the front end portion 21 and the rear end portion 22 of the pedal body 20. It is configured so that the mounting position in the front-rear direction can be adjusted.
  • the bicycle pedal 1 is configured to include a spacer 80 that can be sandwiched between the spindle mounting member 60 and the lower surface of the pedal body 20 when the spindle unit 10 is attached to the pedal body 20. did.
  • the stack height of the bicycle pedal 1 can be adjusted.
  • the cant angle can be adjusted by the thickness and shape of the spacer 80 interposed therebetween.
  • the front connecting portion 23 corresponds to the first connecting portion of Inventions 1 and 4
  • the rear connecting portion 24 corresponds to the second connecting portion of Inventions 1 to 4
  • the spring support portion 31 and the cleat The fixing force adjusting screw 32 and the screw head support hole 33 correspond to the support mechanism of invention 2.
  • the configuration of the cleat fixing force adjusting mechanism 30 is changed by changing the direction of the axis 26a of the elastic member 26 by the spring support portion 31, the cleat fixing force adjusting screw 32, and the screw head support hole 33.
  • the cleat fixing force Ff is adjusted by changing the direction of the force Fb toward the support shaft 27, the present invention is not limited to this configuration. Other configurations may be used as long as the direction of the reaction force Fb of the elastic member 26 can be changed in the direction in which the cleat fixing force Ff is weakened in accordance with the rearward movement of the engaging claw portion 250 .
  • the configuration of the cleat rotation position adjusting mechanism 50 is changed by shifting the support shaft 27, removing the spacer 52 in the gap 51 on either the left or right side, and replacing the pawl portion 25 with the spacer 52. is removed, and two spacers 52 are arranged in the gap 51 on either the left or right side, thereby adjusting the rotational position of the cleat 100, but the configuration is not limited to this.
  • another configuration may be adopted, such as a configuration in which a spacer that can be attached and detached without shifting the support shaft 27 is arranged in the gap 51 .
  • Round nut 100 ... Cleat 101... Front end cleat side engaging surface 102... Rear end cleat side Engagement surface 210... Front end opening 211... Front end frame 220... Rear end opening 221... Rear end frame 223, 251h, 251h2... Shaft hole 250... Engagement claw 250a... Top surface 250b...first inclined surface 250c...second inclined surface 250d...front end surface 250e...rear cleat engaging surface 250f...rear end surface 250S...recessed portion 251L...left support portion 251R...right support portion 252... Spring supporting portion 252a... Shaft portion 252b... Spring engaging portion 300... Crank arm 310... Crank shaft

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

L'invention concerne une pédale de bicyclette qui permet la réduction d'une force requise lors du retrait d'une cale d'une pédale en comparaison des pédales de bicyclette classiques.　Cette pédale de bicyclette (1) est configurée pour comprendre : une partie de liaison avant (23) qui est disposée sur une extrémité avant (21) d'un corps de pédale (20) et qui est reliée à une extrémité avant d'une cale (100) ; une partie de liaison arrière (24) qui est disposée sur une extrémité arrière (22) du corps de pédale (20) et qui est reliée à une extrémité arrière de la cale (100), qui est capable de se déplacer dans la direction avant-arrière et qui est sollicitée vers le côté de la partie de liaison avant (23) ; et un mécanisme de réglage de force de fixation de cale (30) qui, lorsque la partie de liaison arrière (24) s'est déplacée vers une position de retrait de cale à partir d'une position de fixation de cale d'une distance prescrite ou plus, effectue un réglage de sorte qu'une force de sollicitation agissant dans la direction de fixation de la cale (100) est plus faible qu'une force de sollicitation au niveau de la position de fixation de cale.
PCT/JP2022/007672 2022-02-24 2022-02-24 Pédale de bicyclette WO2023162098A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2022/007672 WO2023162098A1 (fr) 2022-02-24 2022-02-24 Pédale de bicyclette
JP2022513044A JP7179396B1 (ja) 2022-02-24 2022-02-24 自転車用ペダル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/007672 WO2023162098A1 (fr) 2022-02-24 2022-02-24 Pédale de bicyclette

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WO2023162098A1 true WO2023162098A1 (fr) 2023-08-31

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0360245A2 (fr) * 1988-09-21 1990-03-28 UNION Sils, van de Loo & Co. GmbH Cale-pied
US20090031850A1 (en) * 2007-08-01 2009-02-05 Look Cycle International Automatic bicycle pedal with leaf spring
US20120125147A1 (en) * 2010-11-18 2012-05-24 Shimano Inc. Bicycle pedal
US20120125148A1 (en) * 2010-11-18 2012-05-24 Shimano Inc. Bicycle pedal
JP2015223862A (ja) * 2014-05-26 2015-12-14 株式会社三ケ島製作所 自転車用ペダル
US20170297650A1 (en) * 2016-04-13 2017-10-19 Frank Hermansen Bicycle pedal adjustably configured for use with multiple shoe cleats
US10173748B1 (en) * 2017-11-29 2019-01-08 Shimano (Singapore) Pte. Ltd. Bicycle pedal
DE102018105616A1 (de) * 2018-03-12 2019-09-12 Chung-I Chen Verstellbares Pedal
US20200102049A1 (en) * 2018-09-28 2020-04-02 Shimano Inc. Bicycle pedal and bicycle cleat
US20200377171A1 (en) * 2019-06-03 2020-12-03 Look Cycle International Automatic Cycle Pedal

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0360245A2 (fr) * 1988-09-21 1990-03-28 UNION Sils, van de Loo & Co. GmbH Cale-pied
US20090031850A1 (en) * 2007-08-01 2009-02-05 Look Cycle International Automatic bicycle pedal with leaf spring
US20120125147A1 (en) * 2010-11-18 2012-05-24 Shimano Inc. Bicycle pedal
US20120125148A1 (en) * 2010-11-18 2012-05-24 Shimano Inc. Bicycle pedal
JP2015223862A (ja) * 2014-05-26 2015-12-14 株式会社三ケ島製作所 自転車用ペダル
US20170297650A1 (en) * 2016-04-13 2017-10-19 Frank Hermansen Bicycle pedal adjustably configured for use with multiple shoe cleats
US10173748B1 (en) * 2017-11-29 2019-01-08 Shimano (Singapore) Pte. Ltd. Bicycle pedal
DE102018105616A1 (de) * 2018-03-12 2019-09-12 Chung-I Chen Verstellbares Pedal
US20200102049A1 (en) * 2018-09-28 2020-04-02 Shimano Inc. Bicycle pedal and bicycle cleat
US20200377171A1 (en) * 2019-06-03 2020-12-03 Look Cycle International Automatic Cycle Pedal

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JP7179396B1 (ja) 2022-11-29

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