Pedal device for vehicle

Abstract

A pedal device for a vehicle includes: a movable pedal configured to be supported below a door opening portion; a link member configured to move the movable pedal in a vehicle width direction in conjunction with opening and closing operation of a sliding door by engaging with the movable pedal; and an engagement member configured to hold the movable pedal at a retracted position inside in the vehicle width direction by engaging with the movable pedal. The engagement member is configured to move from an unlocked position where the engagement member does not interfere with the movable pedal to a locked position where the engagement member holds the movable pedal at the retracted position in a state where the movable pedal has moved to the retracted position, and engage with a pedal-side engagement portion provided to the movable pedal. In a state where the engagement member has moved to the locked position and the movable pedal has moved to the retracted position, the engagement member is pressed by the movable pedal to move from the locked position to the unlocked position.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to a pedal device for a vehicle. BACKGROUND

[0002] In the past, there has been a pedal device for a vehicle in which a movable pedal provided below a door opening portion moves in a vehicle width direction in conjunction with opening and closing operation of a sliding door. For example, in the pedal device described in Patent Literature 1, the movable pedal is linked to the sliding door via a link member. The link member has a guide member provided to a lower surface of the movable pedal, and a sliding member guided by the guide member. Thus, the pedal device is configured to move the movable pedal to a deployed position outside in the vehicle width direction in conjunction with opening operation of the sliding door which is displaced outside in the vehicle width direction and moves toward the rear of the vehicle. In addition, the pedal device is configured to move the movable pedal to a retracted position inside in the vehicle width direction in conjunction with closing operation of the sliding door which is displaced inside in the vehicle width direction and moves toward the front of the vehicle.

[0003] PRIOR ART DOCUMENTS

[0004] PATENT LITERATURE

[0005] Patent Literature 1: Japanese Patent Application Publication No. 2007-269086 SUMMARY

[0006] PROBLEMS TO BE SOLVED BY THE INVENTION

[0007] In the pedal device having the above-described configuration, it is desirable that the movable pedal be maintained in the retracted position inside in the vehicle width direction, for example, in consideration of failure of the link member, or maintainability at the time of maintenance. However, for example, in a case where the maintenance mechanism has shifted to a state of maintaining the movable pedal in the retracted position due to a misoperation or the like, the maintenance mechanism can possibly hinder movement of the movable pedal in conjunction with opening and closing operation of the sliding door.

[0008] An object of the present disclosure is to provide a pedal device for a vehicle which is capable of ensuring smooth operation of a movable pedal.

[0009] MEANS FOR SOLVING THE PROBLEMS

[0010] A vehicle pedal device according to an embodiment of the present disclosure includes: a movable pedal configured to be supported below a door opening portion of a vehicle; a link member configured to move along a movement path extending in a vehicle front-rear direction and to support a sliding door displaced in a vehicle width direction in a displacement interval in the movement path, the link member being configured to move the movable pedal in the vehicle width direction in conjunction with opening and closing operation of the sliding door by engaging with the movable pedal; and an engagement member configured to hold the movable pedal in a retracted position inside the vehicle width direction by engaging with the movable pedal. The engagement member is configured to hold the movable pedal in the retracted position inside the vehicle width direction by engaging with the movable pedal. The engagement member is configured to be movable between a locked position holding the movable pedal in the retracted position and an unlocked position not interfering with the movable pedal. Further, the engagement member is configured to engage with a pedal-side engagement portion provided to the movable pedal by moving from the unlocked position to the locked position in a state where the movable pedal has moved to the retracted position. In a state where the engagement member has moved to the locked position and the movable pedal has moved to the retracted position, the engagement member is pressed by the movable pedal to move from the locked position to the unlocked position. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a perspective view of a vehicle showing a sliding door provided to a door opening portion and a pedal device.

[0012] Figure 2 is a side view of the vehicle showing Figure 1 a sliding door and a pedal device.

[0013] Figure 3A and Figure 3B is a plan view of the sliding door and a movement path of Figure 1 displaced in a vehicle width direction and moving in a vehicle front-rear direction.

[0014] Figure 4A and Figure 4B is a plan view of the pedal device of Figure 1 .

[0015] Figure 5A and Figure 5B is a plan view of the pedal device of Figure 1 .

[0016] Figure 6 is a sectional view of the pedal device of Figure 1 .

[0017] Figure 7 is a sectional view of the pedal device of Figure 1Fig. 9 is a bottom view of the pedal device of Fig. 1.

[0018] Figure 8 Fig. 10 is a sectional view showing the guide roller unit of the movable pedal of the pedal device of Fig. 1. Figure 1 Fig. 11 is a sectional view showing the guide roller unit of the movable pedal of the pedal device of Fig. 1.

[0019] Figure 9 Fig. 12 is an exploded perspective view of the guide roller unit of Fig. 1. Figure 8 Fig. 13 is a side view of the guide roller unit of Fig. 1.

[0020] Figure 10A Fig. 14 is a perspective view of the guide roller unit of Fig. 1. Figure 10B Fig. 15 is an explanatory view showing the guide roller unit of Fig. 1. Figure 8 Fig. 16 is a sectional view of the pedal device of Fig. 1, showing the movable pedal in a retracted position.

[0021] Figure 11 Fig. 17 is a perspective view of the cover member of Fig. 1. Figure 8 Fig. 18 is a sectional view of the pedal device of Fig. 1, showing the cover member.

[0022] Figure 12 Fig. 19 is a plan view of the cover member of Fig. 1, showing that the movable pedal is covered below the support arm and the support bracket. Figure 1 Fig. 20 is a plan view of the cover member of Fig. 1.

[0023] Figure 13 Fig. 21 is a plan view of the engagement member of Fig. 1. Figure 1 Fig. 22 is a plan view of the engagement member of Fig. 1.

[0024] Figure 14 Fig. 23 is a plan view of the engagement member of Fig. 1. Figure 13 Fig. 24 is an enlarged view of the engagement protrusion and the pedal-side engagement portion of the engagement member of Fig. 1.

[0025] Figure 15 Fig. 25 is an enlarged view of the engagement protrusion and the pedal-side engagement portion of the engagement member of Fig. 1. Figure 1 Fig. 26 is an enlarged view of the engagement claw and the protrusion portion of the position retaining member of the engagement member of Fig. 1.

[0026] Figure 16 Fig. 27 is an enlarged view of the engagement claw and the protrusion portion of the position retaining member of the engagement member of Fig. 1. Figure 1 Fig. 28 is an enlarged view of the engagement protrusion and the pedal-side engagement portion of the engagement member of Fig. 1.

[0027] Figure 17 Fig. 29 is an enlarged view of the engagement protrusion and the pedal-side engagement portion of the engagement member of Fig. 1. Figure 15 Fig. 30 is an enlarged view of the engagement claw and the protrusion portion of the position retaining member of the engagement member of Fig. 1.

[0028] Figure 18 Fig. 31 is an enlarged view of the engagement claw and the protrusion portion of the position retaining member of the engagement member of Fig. 1. Figure 15 Fig. 32 is an enlarged view of the engagement claw and the protrusion portion of the position retaining member of the engagement member of Fig. 1.

[0029] Figure 19 Fig. 33 is an enlarged view of the engagement claw and the protrusion portion of the position retaining member of the engagement member of Fig. 1. Figure 15 Fig. 34 is an enlarged view of the engagement claw and the protrusion portion of the position retaining member of the engagement member of Fig. 1.

[0030] Figure 20is an enlarged view showing the engagement claw of the engagement member and the protruding portion of the position holding member. Figure 15

[0031] Figure 21 is an action explanatory view of the holding mechanism of Figure 15

[0032] Figure 22 is an action explanatory view of the holding mechanism of Figure 15

[0033] Figure 23 is an enlarged view of the vicinity of the stop portion of the other example. DETAILED DESCRIPTION

[0034] Hereinafter, an embodiment related to a pedal device for a vehicle will be described with reference to the drawings.

[0035] As shown in Figure 1 , a vehicle 1 is provided with a sliding door 4. The sliding door 4 is capable of opening and closing a door opening portion 3 provided at a side surface of a vehicle body 2 by moving in a vehicle front-rear direction. The vehicle front-rear direction corresponds to a left-right direction of Figure 2 .

[0036] In detail, as shown in Figure 2 , in the vehicle 1, a plurality of guide rails 10 extending in the vehicle front-rear direction are provided at the side surface of the vehicle body 2. Specifically, the guide rails 10 include a lower rail 11 disposed at a lower edge portion of the door opening portion 3, a center rail 12 disposed at a rear side of the door opening portion 3, and an upper rail 13 disposed at an upper edge portion of the door opening portion 3. Further, a guide roller unit 20 is connected to each of the guide rails 10. Each of the guide roller units 20 is capable of moving in the extending direction of each of the guide rails 10. Also, in the vehicle 1, the sliding door 4 is supported to the vehicle body 2 via each of the guide roller units 20. Thus, the sliding door 4 is capable of performing an opening and closing operation along each of the guide rails 10 extending in the vehicle front-rear direction. That is, a moving path of the sliding door 4 extends in the vehicle front-rear direction.

[0037] As shown in Figure 3A and Figure 3B , each of the guide rails 10 has a curved shape portion 30 at a longitudinal end portion 10f thereof on the vehicle front side. The curved shape portion 30 is curved inward in a vehicle width direction (upper side in FIG. 3) from the vehicle rear side toward the front side. In a state where each of the guide roller units 20 is positioned at the longitudinal end portion 10f of each of the guide rails 10, the sliding door 4 becomes a fully closed state. In addition, for convenience of explanation, the lower rail 11 and the lower roller unit 21 are shown in Figure 3A , and the center rail 12 and the center roller unit 22 are shown in Figure 3B ​​​The central track 12 and the central roller unit 22 are shown; the upper track 13 and the upper roller unit 23 are omitted from the illustration. Furthermore, when the sliding door 4 is guided by the curved sections 30 provided on each guide rail 10, it opens and closes in the front-to-back direction of the vehicle while shifting in the vehicle width direction.

[0038] The sliding door 4 is configured such that, when in the fully closed position Pc, its outer surface 4a is approximately aligned with the side surface 2a of the vehicle body 2. Furthermore, when opening from this fully closed position Pc, the sliding door 4 moves outward in the vehicle width direction while simultaneously moving towards the rear of the vehicle. In other words, the width-direction displacement Rc of the sliding door 4 is located on the side of the fully closed position Pc along the sliding door 4's movement path R. Additionally, in Figure 3, a single-dotted line shows the trajectory of the front end of the sliding door 4 during its opening and closing operation. The vehicle 1 is thus configured such that the sliding door 4, during its opening and closing operation, does not interfere with the vehicle body 2.

[0039] like Figure 2 As shown, vehicle 1 is equipped with an electric sliding door device 31, which uses an electric motor 31m as a drive source to open and close the sliding door 4. Therefore, vehicle 1 is not limited to manual operation by occupants, but can be opened and closed by a door handle (not shown), an operating switch located in the vehicle interior, or by operation via a portable device.

[0040] like Figure 1 as well as Figure 2 As shown, vehicle 1 is provided with a pedal device 41 for passengers to use when getting in and out of vehicle 1. The pedal device 41 unfolds below the door opening 3 as a pedal member 40.

[0041] To be more specific, such as Figure 4A , Figure 4B , Figure 5A , Figure 5B as well as Figure 6 As shown, the pedal device 41 includes: a movable pedal 42, which is supported below the door opening 3 in a state that allows it to move in the vehicle width direction; and an auxiliary pedal 43, which is fixed to the vehicle body 2 and disposed below the door opening 3 together with the movable pedal 42. Additionally, in Figure 4A , Figure 4B , Figure 5A as well as Figure 5B In the middle, the vertical direction of each is the width direction of the vehicle. Figure 6In the present embodiment, the left-right direction is the vehicle width direction. In the pedal device 41, the auxiliary pedal 43 is provided at a position higher than the movable pedal 42. Specifically, the auxiliary pedal 43 has a base portion 45 fixed to the side surface 2a of the vehicle body 2 and a pedal portion 46 rotatably coupled to the base portion 45. The pedal portion 46 is displaced in the up-down direction by rotation about the coupling shaft 46x thereof. The auxiliary pedal 43 is configured to be displaced in the up-down direction by the pedal portion 46, so as to abut against the upper surface 42a of the movable pedal 42 disposed below the auxiliary pedal 43.

[0042] As shown in Figure 5A , Figure 5B , Figure 6 and Figure 7 , the pedal device 41 has a plurality of support arms 47, each of which is rotatably coupled to the vehicle body 2 and rotatably coupled to the movable pedal 42. In the pedal device 41, each support arm 47 is coupled to the vehicle body 2 via a plurality of support brackets 48 fixed to the lower surface 2b of the vehicle body 2. Also, each support arm 47 is rotatable about a first rotation coupling point Ml with respect to each support bracket 48, and is rotatable about a second rotation coupling point M2 with respect to the movable pedal 42. Thus, the movable pedal 42 supported by the support arms 47 is moved in the vehicle width direction in the downward direction of the auxiliary pedal 43, in a state in which the posture thereof is maintained substantially horizontal.

[0043] The support arm 47 includes two main arms 51 disposed separately in the vehicle front-rear direction, and an auxiliary arm 52 disposed between the two main arms 51. The auxiliary arm 52 is formed by rotatably coupling a base end side arm 53 coupled to the vehicle body 2 and a top end side arm 54 coupled to the movable pedal 42. That is, the auxiliary arm 52 has a joint M3 that can be bent. The support bracket 48 includes a front bracket 48f that couples the front main arm 51f and the auxiliary arm 52 to the vehicle body 2, and a rear bracket 48r that couples the rear main arm 51r to the vehicle body 2.

[0044] As shown in Figure 4A , Figure 4B , Figure 5A , Figure 5B and Figure 6 , the movable pedal 42 is disposed at a deployed position P2 in which the auxiliary pedal 43 protrudes outward in the vehicle width direction, by being moved outward in the vehicle width direction in the downward direction of the auxiliary pedal 43. Further, the auxiliary pedal 43 maintains a state in which the pedal portion 46 abuts against the upper surface 42a of the movable pedal 42 even when the movable pedal 42 is at the deployed position P2. The design surface 46s of the pedal portion 46 forms a pedal surface S2 that is integral with the pedal surface S1 of the movable pedal 42.

[0045] As shown in Figure 4A , Figure 4B ,Figure 6 as well as Figure 7 As shown, the movable pedal 42 includes a movable base 55 with a generally flat shape and a resin cover 56 covering the top of the movable base 55. Furthermore, the base 45 and pedal portion 46 of the auxiliary pedal 43 are also formed by laminating resin covers 58 onto the base member 57, which has a generally flat shape. The resin covers 58 form the design surfaces 45s and 46s of the base 45 and pedal portion 46, respectively. Thus, the resin cover 56 of the movable pedal 42 and the resin cover 58 covering the pedal portion 46 of the auxiliary pedal 43 respectively form pedal surfaces S1 and S2.

[0046] like Figures 4A-8 As shown, the pedal device 41 includes a guide rail 60, which is disposed on the lower surface 42b of the movable pedal 42 in a manner that runs along the long side of the movable pedal 42 extending in the vehicle longitudinal direction.

[0047] like Figure 7 as well as Figure 8 As shown, the guide rail 60 has a pair of sidewall portions 61 and 62 facing each other in the vehicle width direction. Furthermore, the guide rail 60 has an anti-detachment flange 63 extending from the sidewall portion 62 located inside in the vehicle width direction to the sidewall portion 61 located outside in the vehicle width direction. The anti-detachment flange 63 is formed by bending the lower end of the sidewall portion 62. The pedal device 41 includes a guide roller unit 70, which has guide rollers 65 disposed between the two sidewall portions 61 and 62 of the guide rail 60. The guide roller unit 70 is supported on the sliding door 4.

[0048] The guide roller unit 70 moves integrally with the sliding door 4 according to the opening and closing action of the sliding door 4. Consequently, the guide roller 65 disposed within the guide rail 60 also moves in the vehicle's longitudinal direction according to the direction of the sliding door 4's movement. The guide rail 60 prevents the guide roller 65 disposed between the two sidewall portions 61 and 62 from detaching via an anti-detachment flange 63 provided at the lower end of the sidewall portion 62. Furthermore, the guide roller unit 70 is structured such that the guide roller 65 presses against the sidewall portion 61 of the guide rail 60 located on the outer side in the vehicle width direction and the sidewall portion 62 of the guide rail 60 located on the inner side in the vehicle width direction, thereby causing the movable pedal 42 on which the guide rail 60 is mounted to move in the vehicle width direction.

[0049] Specifically, the guide roller 65 abuts against the side wall portion 61 of the guide rail 60 located on the vehicle width direction outer side, and moves within the guide rail 60 toward the vehicle rear side which is the opening operation direction of the sliding door 4 while pressing the side wall portion 61. Thus, the guide roller unit 70 moves the movable step plate 42 toward the vehicle width direction outer side. In addition, the guide roller 65 abuts against the side wall portion 62 of the guide rail 60 located on the vehicle width direction inner side, and moves within the guide rail 60 toward the vehicle front side which is the closing operation direction of the sliding door 4 while pressing the side wall portion 62. Thus, the guide roller unit 70 moves the movable step plate 42 toward the vehicle width direction inner side. The step plate device 41 is configured such that the movable step plate 42 moves from the retracted position PI to the deployed position P2 in conjunction with the opening operation of the sliding door 4, and on the other hand, the movable step plate 42 moves from the deployed position P2 to the retracted position PI in conjunction with the closing operation of the sliding door 4 (see FIG. 6). Figures 4A-5B ).

[0050] In addition, as shown in Figures 4A-5B and Figure 7 , the guide rail 60, like the above-mentioned curved shape portion 30 of each guide rail 10 provided to the sliding door 4, is provided with a curved shape portion 60c curved toward the vehicle width direction inner side from the vehicle rear side toward the front side at the long side direction end portion 60f on the vehicle front side. In a state where the guide roller unit 70 is located at the long side direction end portion 60f of the guide rail 60, the sliding door 4 becomes a fully closed state. The step plate device 41 enables the guide roller 65 to smoothly move within the guide rail 60 in accordance with the opening and closing operation of the sliding door 4, thereby enabling the movable step plate 42 to be stably moved in the vehicle width direction.

[0051] More specifically, as shown in Figure 9 , Figure 10A , Figure 10B and Figure 11 , the guide roller unit 70 is provided with a fixing member 71 fixed to the sliding door 4 in an extended state in the up and down direction, and an arm member 72 rotatably linked to the lower end of the fixing member 71. In the guide roller unit 70, the arm member 72 is linked to the fixing member 71 via an axis-shaped member 73 which becomes a rotation axis thereof. Thus, the top end side of the arm member 72 extends toward the vehicle width direction inner side. Further, a fulcrum 65x extending in the up and down direction is provided at the top end of the arm member 72. The guide roller unit 70 is configured to support the guide roller 65 freely rotatable by the fulcrum 65x.

[0052] The guide roller unit 70 is provided with a torsion spring 75 interposed between the fixing member 71 and the arm member 72 in a state of fitting to the outer periphery of the axis-shaped member 73. In a state where the fixing member 71 has been fixed to the sliding door 4, a spring pressure in a direction of lifting the guide roller 65 supported at the top end of the arm member 72 upward is given to the arm member 72 in accordance with the elastic force of the torsion spring 75 as a biasing member.

[0053] That is, in a state in which the guide roller 65 is coupled to the guide rail 60 provided to the movable step 42, the guide roller 65 is supported in the guide rail 60 in a manner in which the tip end side of the arm member 72 is lifted upward by the elastic pressing force of the torsion spring 75 (refer to Figure 10A ). In addition, in a state in which the guide roller 65 has been uncoupled from the guide rail 60, the arm member 72 is further rotated in a manner in which the tip end side of the guide roller 65 supported thereby is brought close to the upper end portion of the fixed member 71 by the elastic pressing force of the torsion spring 75 (refer to Figure 10B ). By folding the guide roller unit 70 compactly, workability in the uncoupled state is improved, and the guide roller unit 70 does not become an obstacle to the occupant using the sliding door 4.

[0054] Specifically, as shown in Figure 7 and Figure 11 , the guide rail 60 has a cutout portion 77 formed by cutting a portion of the anti-disengagement flange 63 provided to the lower end of the side wall portion 62. More specifically, the guide rail 60 has a plurality of cutout portions 77 provided to positions on the vehicle rearward side from the curved shape portion 60c. Also, the step device 41 uses the cutout portions 77 to be able to insert the guide roller 65 of the guide roller unit 70 supported to the sliding door 4 into the guide rail 60 provided to the lower surface 42b side of the movable step 42 and disengage the guide roller 65 from the guide rail 60.

[0055] That is, as shown in Figure 11 , the guide rail 60 allows vertical movement of the guide roller 65 over the anti-disengagement flange 63 provided to the lower end of the side wall portion 62 at a position in the long side direction in which the cutout portion 77 is provided. Also, the guide roller unit 70 is able to rotate the arm member 72 against the elastic pressing force of the torsion spring 75 by pressing the arm member 72 downward. The guide roller unit 70 is able to rotate the arm member 72 again by the elastic pressing force of the torsion spring 75 by releasing this pressing force.

[0056] That is, the step device 41 is able to insert the guide roller 65 provided to the tip end of the arm member 72 into the guide rail 60 from below by using the cutout portion 77 provided to the guide rail 60 and rotating the arm member 72 based on the elastic pressing force of the torsion spring 75. Also, by rotating the arm member 72 against the elastic pressing force of the torsion spring 75, the guide roller 65 supported in the guide rail 60 is able to be disengaged from below the guide rail 60. Thus, the step device 41 easily performs coupling and uncoupling of the sliding door 4 supporting the guide roller unit 70 and the movable step 42 in which the guide rail 60 is provided.

[0057] As shown in Figures 12-14As shown, the pedal device 41 includes a cover member 80, which covers the underside of each of the support arms 47 by being fixed to the lower surface 2b of the vehicle body 2.

[0058] In detail, the cover member 80 includes a bottom wall portion 81 disposed below each support arm 47, and a peripheral wall portion 82 disposed substantially orthogonal to the edge of the bottom wall portion 81. The peripheral wall portion 82 extends upward toward the lower surface 2b of the vehicle body 2. In the cover member 80, the bottom wall portion 81 is formed to cover the movable pedal 42 from below each support arm 47 when the movable pedal 42 is in the retracted position P1. Furthermore, the peripheral wall portion 82 extends in the front side, the inner side in the vehicle width direction, and the rear side, and is disposed substantially orthogonal to the edge of the bottom wall portion 81. Thus, the cover member 80 forms a storage space 83 that opens outward in the vehicle width direction at a position lower than the lower surface 2b of the vehicle body 2.

[0059] Specifically, the cover member 80 is fastened to the lower surface 2b of the vehicle body 2 together with the support brackets 48 of each support arm 47. Furthermore, the cover member 80 forms a storage space 83 between the upper lower surface 2b of the vehicle body 2 and the pedal portion 46 of the auxiliary pedal 43. Thus, when the movable pedal 42 is in the retracted position P1, the movable pedal 42, almost entirely, is stored within the storage space 83 along with each support arm 47.

[0060] With the movable pedal 42 in the retracted position P1, the opening 83x of the storage space 83 facing outward in the vehicle width direction is provided on the appearance member 84 at the lower end of the sliding door 4 (see reference). Figure 6 ) shielding. Thus, the pedal device 41 is configured to prevent foreign objects from entering the storage space 83 through the opening on the outside in the vehicle width direction when the vehicle 1 is in motion.

[0061] (Retention mechanism for movable pedals)

[0062] Next, the retaining mechanism of the movable pedal 42 will be explained.

[0063] like Figures 14-16 As shown, the pedal device 41 includes a retaining mechanism 100. When the guide roller unit 70 has disengaged from the guide rail 60 provided on the movable pedal 42, that is, when the connection with the sliding door 4 has been released, the retaining mechanism 100 can retain the movable pedal 42 in the retracted position P1 inside the vehicle width direction.

[0064] A retaining mechanism 100 is provided on a cover member 80, which forms a storage space 83 for the movable pedal 42 when it has been moved to the retracted position P1. Specifically, the retaining mechanism 100 is located near the front end portion 80f of the cover member 80. The retaining mechanism 100 also includes an engaging member 111, which comprises a rod member 110 that rotates about a pivot axis 110x substantially orthogonal to the bottom wall portion 81 of the cover member 80. Furthermore, when the movable pedal 42 has been moved to the retracted position P1, the engaging member 111 rotates about the pivot axis 110x, thereby engaging with and disengaging from a pedal-side engaging portion 120 provided on the movable pedal 42. The engaging member 111 is movable between an unlocked position X0 that does not interfere with the movable pedal 42 moving in the vehicle width direction and a locked position X1 that holds the movable pedal 42 in the retracted position P1.

[0065] In detail, the engaging member 111 includes a rod body 131 extending in the vehicle width direction and an engaging protrusion 132 protruding from the top end 131a of the rod body 131. A support shaft 110x is provided at the base end 131b of the rod body 131. The engaging protrusion 132 extends in the circumferential direction of the support shaft 110x. Specifically, the retaining mechanism 100 has a support shaft 110x of the engaging member 111 near the peripheral wall portion 82 located inside in the vehicle width direction in the storage space 83 of the movable pedal 42 formed by the cover member 80. The engaging protrusion 132 protrudes from the top end 131a of the rod body 131 extending outward in the vehicle width direction (lower side in each figure) toward the rear side of the vehicle (right side in each figure).

[0066] like Figure 17 as well as Figure 18 As shown, a locking recess 135 with an opening towards the front of the vehicle is provided at the front end 42f of the movable pedal 42. The locking recess 135 is a pedal-side locking portion 120. Furthermore, the locking member 111, which has been moved to the locked position X1, engages with the movable pedal 42.

[0067] That is, in Figure 15 as well as Figure 16 In the middle, the engaging member 111 moves from the unlocked position X0 to the locked position X1 by rotating counterclockwise around the support shaft 110x. The engaging member 111 moves from the locked position X1 to the unlocked position X0 by rotating clockwise around the support shaft 110x.

[0068] like Figures 15-18As shown, with the movable pedal 42 in the retracted position P1, the engaging member 111 rotates about the support shaft 110x, causing the engaging protrusion 132, which protrudes from the top end 131a of the rod body 131, to insert into and disengage from the engaging recess 135, which serves as the pedal-side engaging portion 120. Thus, the engaging member 111 can hold the movable pedal 42 in the retracted position P1 and can release it from this holding state.

[0069] A chamfered portion 133 with a curved surface 133s is provided at the top end of the engaging protrusion 132. As a result, the retaining mechanism 100 can smoothly insert the engaging protrusion 132 into and disengage from the engaging recess 135 by rotating the engaging member 111.

[0070] like Figure 19 as well as Figure 20 As shown, the engaging member 111 is provided with an engaging claw 140 that protrudes radially from the base end 131b of the rod body 131 toward the support shaft 110x. Specifically, the engaging claw 140 is a triangular shape that gradually tapers toward the front end of the top side. The engaging claw 140 protrudes inward in the vehicle width direction. Furthermore, a protrusion 141 protruding outward in the vehicle width direction is provided on the peripheral wall portion 82 of the cover member 80 opposite to the engaging claw 140. The protrusion 141 is positioned in the vehicle longitudinal direction at approximately the same position as the support shaft 110x of the engaging member 111. The engaging member 111 is engaged with the protrusion 141 by the engaging claw 140, thereby being held in the locked position X1 or the unlocked position X0.

[0071] That is, such as Figure 15 as well as Figure 19 As shown, the protrusion 141 engages with the engaging claw 140 of the engaging member 111 in a state where the engaging claw 140 is located on its front side of the vehicle (left side in all figures), thereby restricting the rotation of the engaging member 111 in the unlocking direction as it moves from the locked position X1 to the unlocked position X0. Thus, the protrusion 141 serves as a position holding member 150 that holds the engaging member 111 in the locked position X1.

[0072] The protrusion 141 includes a curved surface 142 on its engagement surface 141s relative to the engagement pawl 140. The curved surface 142 is formed in a generally arc-shaped cross section that bulges out toward the support axis 110x of the engagement member 111, which protrudes in the direction of the protrusion 141. Furthermore, the retaining mechanism 100 overcomes the engagement force between the protrusion 141 and the engagement pawl 140, and the engagement force is based on the curved surface shape of the engagement surface 141s, allowing the engagement member 111 to rotate in the unlocking direction. That is, by applying an operating force relative to the engagement member 111 in an unlocking direction that exceeds the engagement force of the protrusion 141 constituting the position retaining member 150, the engagement pawl 140 can disengage from the protrusion 141 in a manner that passes over it. As a result, the engagement member 111 rotates clockwise in each figure, thereby moving from the locked position X1 to the unlocked position X0.

[0073] like Figure 16 as well as Figure 20 As shown, the engaging pawl 140 of the protrusion 141 engages with the engaging member 111 in a state where the engaging pawl 140 is located on its rear side of the vehicle (right side in each figure), thereby restricting the rotation of the engaging member 111 in the locking direction as it moves from the unlocked position X0 to the locked position X1. Even in this case, by applying an operating force relative to the engaging member 111 in a locking direction exceeding the engaging force of the protrusion 141 constituting the position holding member 150, the engaging pawl 140 can be disengaged from the protrusion 141 in such a way that it passes over the protrusion 141. As a result, the engaging member 111 rotates counterclockwise in each figure, thereby moving from the unlocked position X0 to the locked position X1.

[0074] like Figure 17 as well as Figure 18 As shown, an anti-slip part 155 is provided at the top of the rod body 131. The anti-slip part 155 has a serrated, uneven shape 153. When the user performs locking and unlocking operations on the movable pedal 42 from the opening 83 of the storage space 83 facing outward in the width direction of the vehicle, the retaining mechanism 100 can overcome the locking force between the locking member 111 and the position retaining member 150, making it easy for the locking member 111 to rotate.

[0075] like Figure 19 as well as Figure 20 As shown, the engaging member 111 has a slot-like cross-sectional shape that opens downwards, intersecting the long side of the rod body 131. Furthermore, the retaining mechanism 100 includes a stop portion 162 protruding from the rod support portion 160 provided on the cover member 80. The stop portion 162 is disposed within the engaging recess 161 that forms the cross-sectional shape of the engaging member 111. The stop portion 162 engages with the inner wall surface of the engaging recess 161 provided on the engaging member 111, thereby limiting the range of motion of the engaging member 111 rotating around the support shaft 100x.

[0076] To be more detailed, such as Figure 21 As shown, when the engaging member 111 has been moved to the locked position X1, and the movable pedal 42 moves from the outside to the inside in the vehicle width direction to the retracted position P1, the engaging member 111 is pressed by the movable pedal 42 and moves from the locked position X1 to the unlocked position X0.

[0077] That is, the engaging force between the position holding member 150 and the engaging member 111 is set to a value smaller than the driving force of the movable pedal 42, which moves in conjunction with the opening and closing action of the sliding door 4. As a result, based on the pressing force of the movable pedal 42 moving towards the retracted position P1, the engaging member 111 disengages from the position holding member 150 and rotates in the unlocking direction.

[0078] Specifically, when the movable pedal 42 rotates to the retracted position P1, it moves forward along with the sliding door 4 in conjunction with the closing action, moving from the outside to the inside in the vehicle width direction. At this time, the top end 132a of the engaging protrusion 132 is pressed by the movable pedal 42, while the engaging protrusion 132 protruding towards the rear of the vehicle does not engage with the engaging recess 135 that constitutes the pedal-side engaging portion 120. Thus, the pressing force of the movable pedal 42 is efficiently converted into a force that rotates the engaging member 111 in the unlocking direction.

[0079] like Figure 22 As shown, even when the engaging member 111 is engaged with the movable pedal 42 and the movable pedal 42 moves outward in the vehicle width direction from the retracted position P1, the engaging member 111 rotates in the unlocking direction against the engaging force of the position holding member 150 due to the driving force linked to the opening action of the sliding door 4.

[0080] At this time, with the inner wall surface 135s of the engaging recess 135 constituting the pedal-side engaging portion 120 pressing against the engaging protrusion 132 of the engaging member 111 already inserted into the engaging recess 135, the movable pedal 42 moves outward in the vehicle width direction. Furthermore, the engaging protrusion 132 is pulled out of the engaging recess 135 according to the angle at which the inner wall surface 135s of the engaging recess presses against the engaging protrusion 132. Thus, the force of the movable pedal 42 pressing against the engaging member 111 as it moves outward in the vehicle width direction is transformed into a force that rotates the engaging member 111 about the support shaft 110x, thereby allowing the engaging member 111 to smoothly move from the locked position X1 to the unlocked position X0.

[0081] Next, the function of this embodiment will be explained.

[0082] When the retaining mechanism 100 is in the locked position X1 with the engaging member 111 in place and the movable pedal 42 has moved from the outer side to the retracted position P1 in the vehicle width direction, the movable pedal 42 presses the engaging member 111 in the unlocking direction. Furthermore, even when the movable pedal 42 moves from the retracted position P1 to the outer side in the vehicle width direction while the engaging member 111 and the movable pedal 42 are engaged, the movable pedal 42 still presses the engaging member 111 in the unlocking direction. Additionally, the movable pedal 42 moves from the locked position X1 to the unlocked position X0, thereby ensuring smooth movement of the movable pedal 42, which is linked to the opening and closing action of the sliding door 4.

[0083] Next, the effects of this embodiment will be explained.

[0084] (1) The pedal device 41 includes a movable pedal 42, which is supported below the door opening 3 and connected to the sliding door 4 via a guide roller unit 70, which is a connecting member, so that it moves in the vehicle width direction in conjunction with the opening and closing action of the sliding door 4. Furthermore, the pedal device 41 includes an engaging member 111, which engages with the movable pedal 42, allowing it to move between a locked position X1 (holding the movable pedal 42 in the retracted position P1 in the vehicle width direction) and an unlocked position X0 (not interfering with the movable pedal 42). Moreover, when the engaging member 111 is in the locked position X1 and the movable pedal 42 is in the retracted position P1, the engaging member 111 is pressed by the movable pedal 42 and moves from the locked position X1 to the unlocked position X0.

[0085] Based on the above configuration, even if the engaging member 111 moves to the locked position X1 due to accidental operation, the engaging member 111 can be configured to not obstruct the movement of the movable pedal 42, which is linked to the closing action of the sliding door 4. Thus, a retaining mechanism 100 can be formed that ensures the smooth operation of the movable pedal 42.

[0086] (2) The engaging member 111 includes a rod member 110 that rotates about a support shaft 110x. Furthermore, the engaging member 111 has: a rod body 131 having a support shaft 110x; and an engaging protrusion 132 that protrudes from the rod body 131 in a manner extending in the rotational direction about the support shaft 110x. When the movable pedal 42 is in the retracted position P1, the engaging member 111 rotates about the support shaft 110x, thereby engaging and disengaging the engaging protrusion 132 with and from the pedal-side engaging portion 120 provided on the movable pedal 42. Furthermore, when the engaging member 111 is in the locked position X1 and the movable pedal 42 is in the retracted position P1, the top end 132a of the engaging protrusion 132 is pressed by the movable pedal 42, and the pedal-side engaging portion 120 does not engage with the engaging protrusion 132.

[0087] Based on the above configuration, the movable pedal 42, which moves inward in the vehicle width direction in conjunction with the closing action of the sliding door 4, can efficiently convert the force pressing the engaging member 111 into a force that causes the engaging member 111 to rotate about the support axis 110x. Therefore, the engaging member 111 can be smoothly moved from the locked position X1 to the unlocked position X0.

[0088] (3) The pedal device 41 includes a position holding member 150, which engages with the engaging member 111 to hold the engaging member 111 in the locked position X1. The engaging member 111 is configured such that when the movable pedal 42 moves outward from the retracted position P1 in the vehicle width direction while the engaging member 111 is engaged with the movable pedal 42, the engaging member 111 overcomes the engaging force with the position holding member 150 and disengages from the position holding member 150, thereby being able to move from the locked position X1 to the unlocked position X0.

[0089] Based on the above configuration, even if the engaging member 111 and the movable pedal 42 are engaged due to factors such as accidental operation, the engaging member 111 can still be configured so as not to obstruct the movement of the movable pedal 42 when the movable pedal 42 moves in conjunction with the opening action of the sliding door 4. Thus, a retaining mechanism 100 can be formed that ensures the smooth operation of the movable pedal 42.

[0090] (4) The engaging member 111 has an engaging claw 140 that protrudes radially toward the support shaft 110x. Furthermore, the engaging member 111 is provided on the bottom wall portion 81 of the cover member 80, which covers the movable pedal 42 when it is moved to the retracted position P1. A protrusion 141 protruding toward the support shaft 110x of the engaging member 111 is provided on the peripheral wall portion 82 of the cover member 80. The protrusion 141 engages with the engaging claw 140 and serves as a position holding member 150 to restrict the movement of the engaging member 111 from the locked position X1 to the unlocked position X0, i.e., rotation in the unlocking direction. In other words, the position holding member 150 is the protrusion 141 provided on the cover member 80.

[0091] According to the above configuration, with a simple structure, the engaging member 111 can be stably positioned near the movable pedal 42 when it is moved to the retracted position P1. Furthermore, according to the above configuration, with a simple structure, the position holding member 150 can be stably formed. Moreover, by providing an engaging pawl 140 on the engaging member 111, it can rotate about the support shaft 110x, smoothly and stably engaging and disengaging the engaging member 111 from the position holding member 150.

[0092] (5) The protrusion 141, which serves as the position holding member 150, is engaged with the locking pawl 140 from the locking direction opposite to the unlocking direction, thereby limiting rotation in the locking direction and holding the engaging member 111 in the unlocking position X0. Thus, with a simple configuration, the engaging member 111, which has moved from the locking position X1 to the unlocking position X0, can be held in the unlocking position X0.

[0093] (6) The engagement surface 141s of the protrusion 141 constituting the position retaining member 150 relative to the engagement claw 140 includes a generally arc-shaped curved surface 142 bulging toward the support axis 110x of the engagement member 111. As a result, the engagement member 111 and the position retaining member 150 can be engaged and disengaged more smoothly and stably.

[0094] (7) The pedal-side engaging portion 120 includes an engaging recess 135. The engaging member 111 rotates about the support shaft 110x, thereby allowing the engaging protrusion 132 to insert into and disengage from the engaging recess 135. Furthermore, when the engaging protrusion 132 is inserted into the engaging recess 135, the movable pedal 42 moves outward in the vehicle width direction, thereby causing the engaging protrusion 132 to be pulled out of the engaging recess 135 based on the pressing force of the movable pedal 42.

[0095] Based on the above configuration, the force exerted by the movable pedal 42, which moves outward in the vehicle width direction in conjunction with the opening action of the sliding door 4, on the engaging member 111 can be efficiently converted into a force that causes the engaging member 111 to rotate about the support shaft 110x. As a result, the engaging member 111 can be smoothly moved from the locked position X1 to the unlocked position X0.

[0096] (8) A chamfered portion 133 with a curved surface 133s is provided at the top end 132a of the engaging protrusion 132. Thus, by rotating about the support shaft 110x, the engaging protrusion 132 of the engaging member 111 can be smoothly inserted into and disengaged from the engaging recess 135.

[0097] (9) The pedal device 41 includes a stop 162 that limits the range of movement of the engaging member 111. As a result, the wobbling of the engaging member 111 held in the locked position X1 or the unlocked position X0 can be suppressed.

[0098] (10) An anti-slip part 155 with a serrated concave-convex shape 153 is provided at the top of the rod body 131.

[0099] Based on the above configuration, when the user performs locking and unlocking operations on the movable pedal 42, the locking force between the locking member 111 and the position holding member 150 can be overcome, making it easy for the locking member 111 to rotate.

[0100] Furthermore, the above-described embodiments can be modified and implemented in the following ways. The above-described embodiments and the following variations are implemented in combination to a extent that they are not technically contradictory.

[0101] • In the above embodiment, it is specifically a pedal device 41 that is linked to a rear-opening sliding door 4 that opens to the rear of the vehicle, but it can also be applied to a front-opening sliding door 4 that opens to the front of the vehicle.

[0102] In the above embodiment, the sliding door 4 is opened and closed by being driven by an electric sliding door device 31, but it can also be applied to sliding doors 4 that do not have such an electric sliding door device 31.

[0103] Furthermore, as long as the movable pedal 42 moves in the vehicle width direction in conjunction with the opening and closing action of the sliding door 4, such as a track and a sliding method, its support structure can be arbitrarily changed.

[0104] In the above embodiment, the cover member 80 covering the movable pedal 42 that is moved to the retracted position P1 is provided with a locking member 111 and a position holding member 150 constituting the holding mechanism 100. However, the positions of the locking member 111 and the position holding member 150 can be arbitrarily changed.

[0105] In the above embodiment, the engaging member 111 is formed having a rod body 131, an engaging protrusion 132, and an engaging pawl 140, and includes a rod member 110 that rotates about a support shaft 110x; however, this configuration can be arbitrarily modified. For example, the engaging portion relative to the pedal-side engaging portion 120 can have a different shape than the engaging protrusion 132, and the engaging portion relative to the position holding member 150 can also have a different shape than the engaging pawl 140. Furthermore, it is not limited to a rotating rod, but can also be a sliding rod.

[0106] Furthermore, the shape and position of the pedal-side engaging portion 120 can be arbitrarily changed. Also, the shape and configuration of the position-holding member 150 are not limited to the protrusion 141 of the above embodiment and can be arbitrarily changed.

[0107] In addition, in the above embodiment, the position holding member 150 has the function of holding the engaging member 111 in the locked position X1 and the function of holding the engaging member 111 in the unlocked position X0, but it may also be configured to use other members to hold the engaging member 111 in the unlocked position X0.

[0108] Furthermore, the configuration of the stop part 162 can be arbitrarily changed.

[0109] For example, such as Figure 23As shown, two protrusions 164 and 165 are provided at two positions sandwiching the protrusion 141 constituting the position holding member 150 in the vehicle's longitudinal direction. Furthermore, protrusion 164 is positioned to abut against the engaging pawl 140 and limit the rotation range of the engaging member 111 when the engaging pawl 140 of the engaging member 111, which rotates about the support shaft 110x, exceeds the locked position X1 and rotates in the locking direction. Protrusion 165 is positioned to abut against the engaging pawl 140 and limit the rotation range of the engaging member 111 when the engaging pawl 140 of the engaging member 111, which rotates about the support shaft 110x, exceeds the unlocked position X0 and rotates in the unlocking direction. Therefore, these protrusions 164 and 165 can be used as a stop portion 162B for the engaging pawl 140.

Claims

1. A pedal device for a vehicle, comprising: a movable pedal configured to be supported below a door opening portion of the vehicle; and a latching member configured to hold the movable pedal at a retracted position inside a vehicle width direction by latching with the movable pedal, the latching member being configured to be movable between a locked position that holds the movable pedal at the retracted position and an unlocked position that does not interfere with the movable pedal, the latching member being arranged in front of the movable pedal in a vehicle front-rear direction, further, the latching member being configured to: latch with a pedal-side latching portion provided to the movable pedal by moving from the unlocked position to the locked position in a state where the movable pedal has moved to the retracted position, and move from the locked position to the unlocked position by being pressed by the movable pedal in a direction of movement of the movable pedal in a state where the latching member has moved to the locked position and the movable pedal has moved to the retracted position.

2. The pedal device for a vehicle according to claim 1, wherein the latching member is a lever member that rotates about a fulcrum, the latching member has a lever main body that has the fulcrum, and a latching protrusion that protrudes from the lever main body in a manner that extends in a direction of rotation about the fulcrum, further, the latching member is configured to: latch and disengage the latching protrusion with and from the pedal-side latching portion by rotating the lever member about the fulcrum in a state where the movable pedal has moved to the retracted position, and disengage the pedal-side latching portion from the latching protrusion by a tip end portion of the latching protrusion being pressed by the movable pedal in a state where the latching member has moved to the locked position and the movable pedal has moved to the retracted position. A link member configured to move along a moving path extending in a vehicle front-rear direction and to support a sliding door that is displaced in a vehicle width direction along a displacement section in the moving path, the link member being configured to move the movable pedal in the vehicle width direction in conjunction with opening and closing operation of the sliding door by engaging with the movable pedal; 3. The pedal device for a vehicle according to claim 1, further comprising a position holding member configured to hold the latching member at the locked position by latching with the latching member, the latching member being configured to, in a case where the movable pedal moves to outside the vehicle width direction from the retracted position in a state where the latching member latches with the movable pedal, disengage from the position holding member against a latching force with the position holding member, thereby being able to move from the locked position to the unlocked position.

4. The pedal device for a vehicle according to claim 3, wherein the latching member is a lever member that rotates about a fulcrum, the latching member has a latching claw that protrudes in a radial direction of the fulcrum, the position holding member is configured to restrict rotation in an unlocking direction in which the latching member moves from the locked position to the unlocked position by latching with the latching claw.

5. The pedal device for a vehicle according to claim 4, wherein the position holding member is configured to restrict rotation in a locking direction opposite to the unlocking direction of the position holding member and hold the latching member at the unlocked position by the latching claw latching to the position holding member in the locking direction. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 6. The pedal device for a vehicle according to claim 4 or claim 5, wherein the position holding member has an engagement surface configured to engage with the engagement claw, the engagement surface including a curved surface bulging toward the fulcrum of the engagement member.

7. The pedal device for a vehicle according to claim 4 or claim 5, wherein a cover member configured to cover the movable pedal that has moved to the retracted position is further provided, the position holding member is a protruding portion provided to the cover member.

8. The pedal device for a vehicle according to claim 4 or claim 5, wherein the engagement member has a lever main body having the fulcrum and an engagement protruding portion protruding from the lever main body in a manner extending in a rotation direction of the fulcrum, the engagement member is configured to engage and disengage the engagement protruding portion with the pedal side engagement portion by rotating about the fulcrum in a state where the movable pedal has moved to the retracted position, the pedal side engagement portion is an engagement recess into and out of which the engagement protruding portion is inserted and disengaged by the engagement member rotating about the fulcrum, the engagement protruding portion is configured to be pulled out of the engagement recess based on a pressing force of the movable pedal by the movable pedal moving outward in a vehicle width direction in a state where the engagement protruding portion is inserted into the engagement recess.

9. The pedal device for a vehicle according to claim 8, wherein a chamfered portion having a curved surface is provided at a tip end portion of the engagement protruding portion.

10. The pedal device for a vehicle according to any one of claims 1 to 5, wherein a stop portion that limits a movement range of the engagement member is further provided.

11. The pedal device for a vehicle according to any one of claims 1 to 5, wherein a cover member configured to cover the movable pedal that has moved to the retracted position is provided, the engagement member is provided to the cover member.

12. The pedal device for a vehicle according to any one of claims 1 to 5, wherein the engagement member is a lever member that rotates about a fulcrum, the engagement member has a lever main body having the fulcrum and an engagement protruding portion protruding from the lever main body in a manner extending in a rotation direction of the fulcrum, a non-slip portion having a concave-convex shape is provided at a tip end of the lever main body.

13. A pedal device for a vehicle, comprising: a movable pedal configured to be supported below a door opening portion of a vehicle; a link member configured to move along a movement path extending in a front-rear direction of the vehicle and to support a sliding door that shifts along a vehicle width direction in a shift range in the movement path, the link member being configured to move the movable pedal in the vehicle width direction in conjunction with opening and closing operation of the sliding door by engaging with the movable pedal; an engagement member configured to be able to move between a locked position that holds the movable pedal inside in the vehicle width direction and an unlocked position that does not interfere with the movable pedal by engaging with the movable pedal; and a position holding member configured to hold the engagement member in the locked position by engaging with the engagement protruding portion of the engagement member. a position holding member configured to hold the engagement member in the locked position by engaging with the engagement member, the engagement member is arranged in front of the movable pedal in the vehicle front-rear direction, the engagement member is configured to: engage with a pedal-side engagement portion provided to the movable pedal by moving from the unlocked position to the locked position in a state where the movable pedal has moved to the retracted position; in a state where the engagement member has moved to the locked position and the movable pedal moves to the retracted position, the engagement member is pressed by the movable pedal to move from the locked position to the unlocked position.

14. A pedal device for a vehicle, comprising: a movable pedal configured to be supported below a door opening portion of a vehicle; A link member configured to move along a moving path extending in a vehicle front-rear direction and to support a sliding door that is displaced in a vehicle width direction along a displacement section in the moving path, the link member being configured to move the movable pedal in the vehicle width direction in conjunction with opening and closing operation of the sliding door by engaging with the movable pedal; and an engagement member configured to hold the movable pedal in a retracted position inside a vehicle width direction by engaging with the movable pedal, the engagement member is configured to be movable between a locked position that holds the movable pedal in the retracted position and an unlocked position that does not interfere with the movable pedal, further, the engagement member is configured to: engage with a pedal-side engagement portion provided to the movable pedal by moving from the unlocked position to the locked position in a state where the movable pedal has moved to the retracted position; in a state where the engagement member has moved to the locked position and the movable pedal moves to the retracted position, the engagement member is pressed by the movable pedal to move from the locked position to the unlocked position, the engagement member is a lever member that rotates around a support shaft, the engagement member has a lever main body having the support shaft and an engagement protrusion that protrudes from the lever main body in a manner extending in a rotation direction around the support shaft, further, the engagement member is configured to: engage with and disengage from the pedal-side engagement portion by the lever member rotating around the support shaft in a state where the movable pedal has moved to the retracted position; in a state where the engagement member has moved to the locked position and the movable pedal moves to the retracted position, a tip portion of the engagement protrusion is pressed by the movable pedal and the pedal-side engagement portion does not engage with the engagement protrusion.

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