JP7257624B2 - vehicle step device - Google Patents

Description

The present invention relates to a step device provided in a vehicle.

2. Description of the Related Art Some vehicles, such as automobiles, having a high floor position are equipped with a step device in order to improve the ease of getting on and off of passengers. For example, Patent Literature 1 discloses a movable side step device provided under a side door of a vehicle. In the side step device described in Patent Document 1, a step for getting on and off (side step) is connected via a parallel link provided on a bracket fixed to the lower part of the vehicle body, and is vertically (up and down) relative to the vehicle body. direction and vehicle width direction). The side step device is configured such that an entry/exit step can be moved between a retracted position stored under the vehicle body and a deployed position projecting laterally from the vehicle body by operating an actuator.

JP-A-58-39543

By the way, while the vehicle is running, wind flows from the front to the rear of the vehicle over the upper surface of the step for entry and exit in the retracted position, and the air inside the side step device is sucked out by such wind flow. Therefore, foreign matter such as mud, dust, and snow (hereinafter simply referred to as "foreign matter") existing around the side step device is sucked into the side step device particularly from between the step for getting on and off and the bracket. The foreign matter sucked into the side step device accumulates inside the side step device. Accumulation of foreign matter inside the side step device may hinder movement of the step for entry and exit between the retracted position and the deployed position.

SUMMARY OF THE INVENTION The present invention has been made in view of such problems, and an object of the present invention is to provide a step device for a vehicle capable of suppressing entry of foreign matter into the interior thereof.

In order to achieve the above object, a step device for a vehicle according to the present invention comprises: a step for getting on and off; a vehicle body fixing member fixed to a vehicle body; a first link arm having one end rotatably supported by the vehicle body fixing member and the other end rotatably supported by the other end of the step support member; a second link arm which is rotatably supported by the vehicle body fixing member while being spaced apart from the arm to the outside in the vehicle width direction and whose other end is rotatably supported by the other end of the step support member; a cover member attached to a fixed member; and an actuator for rotationally driving the first link arm. A vertical link type vehicle step device for moving in the vehicle width direction between a deployed position positioned toward the front and a retracted position positioned at the lower portion of the vehicle body, wherein the step support member extends in the front-rear direction of the vehicle body. The cover member has a first projecting portion that projects outward from the step support member, and the cover member stores the step for getting on and off while having a gap in the longitudinal direction of the vehicle body with respect to the step support member. a body portion extending downward so as to cover at least a portion of the step support member in the front-rear direction of the vehicle body at a position; and a second protrusion facing the first protrusion from above.

In a step device for a vehicle according to an aspect of the present invention, the first projecting portion of the step support member has a first inclined surface that slopes downward in a direction away from the step support member, and the cover member has a second inclined surface that inclines upward in a direction away from the cover member, and the second inclined surface is aligned with the first inclined surface in the stored position of the step for getting on and off. facing from above.

In the step device for a vehicle according to one aspect of the present invention, the cover member has at least one upper protrusion arranged above the second protrusion and protruding in the same direction as the second protrusion. The cover member has, between the second protrusion and the upper protrusion, a recess recessed in a direction opposite to the second protrusion.

According to the vehicle step device of the present invention, the step support member has the first projecting portion that projects outwardly of the step support member in the longitudinal direction of the vehicle body. Further, the cover member has a gap in the front-rear direction of the vehicle body with respect to the step support member and covers at least a part of the step support member in the front-rear direction of the vehicle body in the retracted position of the step for boarding/alighting. a second protrusion facing the first protrusion from above in the retracted position of the step.

Therefore, the gap in the front-rear direction between the body portion of the cover member and the step support member (hereinafter also referred to as "operating gap") and the gap between the first projecting portion of the step supporting member and the second projecting portion of the cover member. The gap between them (hereinafter also referred to as "opposed gap") can be set to different sizes. Specifically, the opposing gap between the first protruding portion and the second protruding portion is set to the operating gap while sufficiently securing the operating gap necessary for moving the step for getting on and off between the deployed position and the retracted position. can be set narrower than Therefore, the resistance of external air passing through the facing gap is increased, and the amount of air sucked into the step device can be reduced. In addition, the resistance when the foreign matter passes through the opposing gap also increases. Therefore, even if the air inside the step device is sucked out while the vehicle is running, it is possible to prevent the foreign matter from entering the step device. As a result, it is possible to avoid malfunction of the step for getting on and off due to accumulation of foreign matter inside the step device.

1 is an outline view of a vehicle provided with a step device according to one embodiment of the present invention; FIG. 4 is a schematic configuration diagram of a rear link mechanism in a retracted state; FIG. FIG. 3 is a cross-sectional view showing a cross section along line AA in FIG. 2; It is an enlarged view which expands and shows the B section in FIG. FIG. 4 is a schematic configuration diagram of a rear link mechanism in an unfolded state;

An embodiment of a step device for a vehicle embodying the present invention will be described below.
FIG. 1 is an outline view of a vehicle 2 provided with a step device 1 according to an embodiment of the invention. FIG. 2 is a schematic configuration diagram of the rear link mechanism 5 in the retracted state. FIG. 3 is a cross-sectional view showing a cross section along line AA in FIG. FIG. 4 is an enlarged view showing a portion B in FIG. 3 in an enlarged manner. FIG. 5 is a schematic configuration diagram of the rear link mechanism 5 in the unfolded state. For convenience of explanation, "front", "rear", "left", and "right" as viewed from the seated occupant are defined based on the traveling direction of the vehicle 2, and "up" and "down" are defined based on gravity. Define That is, the arrows "front" and "rear" shown in each figure indicate the forward and backward directions of the vehicle 2, the arrows "left" and "right" indicate the vehicle width direction of the vehicle 2, and the arrows "up" and "right" indicate the vehicle width direction. “Down” indicates the vertical direction of the vehicle 2 . 1, illustration of a front door and a rear door on the left side (passenger seat side) of the vehicle 2 is omitted, and the step device 1 is in an unfolded state. 2 and 5 are views of the rear link mechanism 5 and its surroundings as seen from the rear of the vehicle 2. FIG.

As shown in FIG. 1, a step device 1 according to one embodiment of the present invention is a movable step device provided at the lower part of a 1BOX type vehicle 2 on the passenger seat side, for example. The step device 1 includes a step plate 3 (step for getting on and off) and two link mechanisms 4 and 5 that support the step plate 3 so as to be movable in the vertical direction (vehicle width direction and vertical direction).
The step plate 3 extends in the longitudinal direction of the vehicle below the opening 6 of the front door on the left side (passenger seat side) of the vehicle 2 and the opening 7 of the sliding rear door, and has a vehicle width on which the feet of the occupant can be placed. Set to directional length. The step plate 3 is supported on the lower part of the vehicle body, more specifically, on the lower part of the side sill 8 on the left side (passenger seat side) of the vehicle 2 via two link mechanisms 4 and 5 .

The two link mechanisms 4 and 5 are spaced apart from each other in the longitudinal direction of the vehicle. The step device 1 is configured such that the step plate 3 is movable in the vehicle width direction between a retracted position positioned at the bottom of the vehicle 2 and a deployed position protruding outward (to the left) in the vehicle width direction from the side sill 8 . ing. Of the two link mechanisms 4 and 5, the rear link mechanism 5 on the rear side of the vehicle 2 has a drive motor 10 (actuator) that rotationally drives a link (drive link 12 to be described later). The front link mechanism 4 on the front side of the vehicle 2 does not have a drive motor and operates following the movement of the step plate 3 .

The drive motor 10 is controlled to automatically operate as the front door and the rear door on the passenger seat side of the vehicle 2 are opened and closed. For example, when the front door and the rear door are closed, the step plate 3 is positioned at the retracted position, and when at least one of the front door and the rear door is opened, the step plate 3 moves to the deployed position. is operated and controlled.

The rear link mechanism 5 having the drive motor 10 will be described below, but the front link mechanism 4 differs from the rear link mechanism 5 in that no drive motor is provided. The positions in the vehicle width direction, the vertical positions, etc. of the vehicle 2 have the same configuration.
As shown in FIGS. 2 and 3, the rear link mechanism 5 includes a link bracket 11 (vehicle fixing member), a drive link 12 (first link arm), a driven link 13 (second link arm), and a link arm 14 (step support member) and a cover member 15 .

The link bracket 11 is composed of two thick plate-shaped vertical plate members 11a which are arranged at intervals in the front-rear direction and extend in the vehicle width direction and the vertical direction. It has a plate-like connection member 11b that closes the upper side of the housing, and is formed in a box shape with an open lower side. The link bracket 11 is fixed to the lower portion of the vehicle body 20 by bolts at four locations on the front, rear, left, and right.

As shown in FIGS. 2 and 3, the link arm 14 is an arm-shaped member arranged to extend in the vehicle width direction, and is composed of two thick plate-like vertical members arranged with an interval in the front-rear direction. It has a plate member 14a and a plate-like connection member 14b that connects the two vertical plate members 14a. A step plate 3 is fixed to an outer end portion 14c of the link arm 14 on the outer side (left side) in the vehicle width direction. As shown in FIG. 3, the link bracket 11 and the link arm 14 are arranged at the same longitudinal position. Specifically, the vertical plate member 11a of the link bracket 11 and the vertical plate member 14a of the link arm 14 are arranged at the same front and rear positions.

As shown in FIGS. 3 and 4, the link arm 14 has a first protrusion 14d that protrudes outward from the link arm 14 in the longitudinal direction. Specifically, the first projecting portion 14d of the link arm 14 is a portion continuously extending in the vehicle width direction at the upper end portion of each of the vertical plate members 14a. The first projecting portion 14d may intermittently extend in the vehicle width direction, or may be provided only partially in the vehicle width direction. The first protruding portion 14d has a first forward protruding portion 14e protruding forward and a first rear protruding portion 14f protruding rearward. The first protrusion 14d may have only one of the first forward protrusion 14e and the first rearward protrusion 14f.

As shown in FIGS. 3 and 4, the first forward projecting portion 14e has a shape that tapers in the forward direction, and a first forward sloping portion that is slanted downward and away from the link arm 14 (forward direction). It includes a surface 14g and a first forward connecting surface 14h that slopes downwardly toward the link arm 14 from the forward edge 14k. The first forward projecting portion 14e may have only the first forward inclined surface 14g. In this case, the first front connecting surface 14h may extend horizontally in the front-rear direction, or the front end It may be slanted rearwardly and upwardly from edge 14k. As shown in FIG. 4, the front edge 14k may be rounded or angled.

The first rearward projecting portion 14f has a shape line-symmetrical to the first forward projecting portion 14e with respect to the central axis C shown in FIG. Specifically, the first rearward projecting portion 14f has a shape that tapers in the rearward direction. and a first rear connecting surface 14j sloping downwardly toward the link arm 14 from the edge 14l. The first rear projection 14f may have only the first rear inclined surface 14i. In this case, the first rear connection surface 14j may extend horizontally in the front-rear direction, or may extend at the rear end. It may be slanted forward and upward from edge 14l. As shown in FIG. 3, the rear edge 14l may be rounded or angled.

The drive link 12 and the driven link 13 are arm-shaped members having a box-shaped cross section. As shown in FIG. 2, each of the drive link 12 and the driven link 13 includes link pins 21, 22, and 23 arranged so that one end is connected to the link bracket 11 and the other end is connected to the link arm 14, and the axes extend in the front-rear direction. , 24 so as to be pivotally supported. Therefore, the drive link 12 and the driven link 13 are arranged so as to be able to swing relative to the vehicle body 20 in the vehicle width direction. The drive link 12 is arranged on the inner side (right side) of the driven link 13 in the vehicle width direction. Also, the drive link 12 is formed shorter than the driven link 13 .

A first link pin 21 that supports the link bracket 11 and the drive link 12 is formed integrally with the drive shaft of the drive motor 10 . A drive motor 10 is fixed to a link bracket 11 . The second link pin 22 that supports the link bracket 11 and the driven link 13 is spaced outward in the vehicle width direction with respect to the first link pin 21 and is offset below the first link pin 21 . are placed. On the other hand, in the link arm 14 extending in the vehicle width direction, the third link pin 23 that supports the link arm 14 and the drive link 12 is arranged at the inner end portion of the link arm 14 in the vehicle width direction. The fourth link pin 24 that supports the link arm 14 and the driven link 13 is arranged near the inner end of the link arm 14 in the vehicle width direction, and is located outside and below the third link pin 23 in the vehicle width direction. are spaced apart.

As shown in FIGS. 2 and 3, the cover member 15 is attached to the link bracket 11 by bolts 25 and 26, for example. The cover member 15 is formed to be open vertically and leftwardly, and is formed so as to partially cover the link bracket 11 from the longitudinal direction and from the right side while being fixed to the link bracket 11 . Specifically, the cover member 15 includes a plate-like front cover portion 15a that partially covers the link bracket 11 from the front side and a plate-like front side cover portion 15a that partially covers the link bracket 11 from the rear side while being fixed to the link bracket 11. The plate-like rear cover portion 15b, the front cover portion 15a, and the rear cover portion 15b are connected on the inner side (right side) in the vehicle width direction, and a plate-like connection cover portion (Fig. not shown).

The cover member 15 is made of a soft resin material so as to have flexibility, and forms a predetermined deflection when it comes into contact with the link arm 14 as will be described later. As shown in FIGS. 2 and 3, the cover member 15 has a gap (operating gap) G1 in the longitudinal direction with respect to the link arm 14, and covers at least a portion of the link arm 14 when the step plate 3 is in the retracted position. It has a body portion 15c extending downward so as to cover it in the front-rear direction. The body portion 15c is provided on the lower side of each of the front cover portion 15a and the rear cover portion 15b. The main body portion 15c has a front main body portion 15d that covers the link arm 14 from the front side, and a rear main body portion 15e that covers the link arm 14 from the rear side. As shown in FIG. 3, the working gap G1 is the distance between the rear facing surface 15f facing the rear of the front body portion 15d and the front edge 14k of the first forward projecting portion 14e of the link arm 14. . Further, the working gap G1 may be the distance between the front facing surface 15g of the rear body portion 15e facing forward and the rear edge 14l of the first rear protrusion 14f of the link arm 14. As shown in FIG.

As shown in FIG. 3, the cover member 15 protrudes inwardly of the cover member 15 in the front-rear direction from the main body portion 15c, and faces the first protrusion portion 14d from above when the step plate 3 is in the retracted position. It has a projecting portion 15h. The second projecting portion 15h may be a portion extending continuously in the vehicle width direction on the upper side of the main body portion 15c of the cover member 15, or may extend intermittently in the vehicle width direction. may be provided only in part of the Specifically, the second protrusion 15h includes a second rear protrusion 15i that protrudes in a direction away from the cover member 15 (rear direction), and a second front protrusion 15i that protrudes in a direction away from the cover member 15 (forward). It has a protrusion 15j. The second projecting portion 15h may have only one of the second rear projecting portion 15i and the second forward projecting portion 15j.

As shown in FIGS. 3 and 4, the second rear protrusion 15i of the second protrusion 15h has a second rear inclined surface 15k that slopes rearward and upward. The second rear inclined surface 15k is a portion connected to the rear facing surface 15f of the front body portion 15d. Further, the second forward projecting portion 15j has a shape line-symmetrical to the second rearward projecting portion 15i with respect to the central axis C shown in FIG. It has a second forward inclined surface 15l that inclines to . The second front inclined surface 15l is a portion connected to the front facing surface 15g of the rear body portion 15e.

The cover member 15 has at least one upper protrusion 15m arranged above the second protrusion 15h and protruding in the same direction as the second protrusion 15h. Specifically, the upper protrusion 15m is arranged above the second rear protrusion 15i and protrudes in the same direction (rear direction) as the second rear protrusion 15i. It has an upper forward projecting portion 15o arranged above the portion 15j and projecting in the same direction (forward direction) as the second forward projecting portion 15j.

Further, the cover member 15 has a recessed portion 15p between the second projecting portion 15h and the upper projecting portion 15m, which is recessed in the direction opposite to the second projecting portion 15h and the upper projecting portion 15m. Specifically, the recessed portion 15p is located between the second rearward projecting portion 15i and the upper rearward projecting portion 15n, and is a forward recessed portion 15q, which is a recessed portion in the forward direction, the second forward projecting portion 15j, and the upper rearward projecting portion 15j. It has a rear recessed portion 15r which is located between the forward protrusions 15o and which is a portion recessed rearwardly. Thus, the second projecting portion 15h, the recessed portion 15p, and the upper projecting portion 15m form a so-called bellows-shaped portion in the cover member 15. As shown in FIG. A plurality of recesses 15p and upper projections 15m may be provided. Further, as shown in FIG. 3, the upper projecting portion 15m may be arranged offset in the front-rear direction with respect to the second projecting portion 15h, or may be arranged at the same position in the front-rear direction.

As shown in FIGS. 3 and 4 , in the retracted position of the step plate 3 , the second inclined surface (the second rearward inclined surface 15 k and the second forward inclined surface 15 l ) of the cover member 15 is aligned with the first inclined surface of the link arm 14 . It faces the surfaces (first front inclined surface 14g and first rearward inclined surface 14i) from above. Specifically, in the retracted position of the step plate 3, the second rear inclined surface 15k of the cover member 15 forms a predetermined gap (opposing gap) G2 with the first front inclined surface 14g of the link arm 14 from above and in front. have and face. In addition, the second front inclined surface 15l of the cover member 15 faces the first rearward inclined surface 14i of the link arm 14 from above and behind with a facing gap G2. The facing gap G2 is formed between the second inclined surface of the cover member 15 (the second rearward inclined surface 15k and the second forward inclined surface 15l) and the first inclined surface of the link arm 14 (the first forward inclined surface 14g and the first rearward inclined surface 14g). 14i), which is set smaller than the working gap G1. Note that the facing gap G2 may be the same as the operating gap G1. The second inclined surface of the cover member 15 and the first inclined surface of the link arm 14 may contact each other when the step plate 3 is in the retracted position, in which case the facing gap G2 is zero.

As shown in FIG. 2, in the retracted state where the step plate 3 is located at the retracted position, the drive link 12 and the driven link 13 rotate inward in the vehicle width direction, and the third link pin 23 and the fourth link pin 24 It is located inside the first link pin 21 and the second link pin 22 in the vehicle width direction.
As shown in FIG. 4, the drive motor 10 is driven to rotate the drive link 12, thereby moving the step plate 3 between the retracted position and the deployed position. In the deployed state where the step plate 3 is located at the deployed position, the drive link 12 and the driven link 13 rotate outwardly in the vehicle width direction, and the third link pin 23 and the fourth link pin 24 move to the first link pin 21 and the fourth link pin 24 . It is located outside the two-link pin 22 in the vehicle width direction. As shown in FIG. 4, in the deployed position of the step plate 3, the upper surface 3a of the step plate 3 is substantially horizontal (parallel to the horizontal plane of the vehicle body 20). On the other hand, in the retracted position of the step plate 3, the step plate 3 is positioned inside the deployed position in the vehicle width direction, and the upper surface 3a of the step plate 3 is positioned slightly above the deployed position and positioned outward in the vehicle width direction. Slightly sloping downwards.

Next, the operation and effects of the step device 1 according to one embodiment of the present invention will be described with reference to FIGS. 2 and 3. FIG. As described above, according to the step device 1 according to the embodiment of the present invention, the link arm 14 has the first protrusion 14d that protrudes outward from the link arm 14 in the front-rear direction. Further, the cover member 15 has a body portion 15c extending downwardly with respect to the link arm 14 in the longitudinal direction while having an operation gap G1, and a first projecting portion 14d facing from above when the step plate 3 is in the retracted position. It has two protrusions 15h. Therefore, the operating gap G1 between the body portion 15c of the cover member 15 and the link arm 14 and the facing gap G2 between the first projecting portion 14d of the link arm 14 and the second projecting portion 15h of the cover member 15 are Can be set to different sizes. Specifically, while sufficiently securing the working gap G1 necessary for moving the step plate 3 between the deployed position and the retracted position, the facing gap G2 between the first projecting portion 14d and the second projecting portion 15h is maintained. can be set narrower than the operating gap G1. Therefore, the resistance when the outside air passes through the facing gap G2 is increased, and the amount of air sucked into the step device 1 can be reduced. In addition, the resistance when the foreign matter passes through the facing gap G2 also increases. Therefore, even if the air inside the step device 1 is sucked out while the vehicle 2 is running, it is possible to prevent the foreign matter from entering the step device 1 . As a result, malfunction of the step plate 3 due to accumulation of foreign matter inside the step device 1 can be avoided.

Further, according to the step device 1 according to the embodiment of the present invention, the first forward projecting portion 14e of the link arm 14 has a first forward inclined surface 14g that is inclined in the direction away from the link arm 14 (forward direction) and downward. , and the second rearward projecting portion 15i of the cover member 15 has a second rearward inclined surface 15k that is inclined in a direction away from the cover member 15 (rearward) and upward. In addition, in the retracted position of the step plate 3, the second rear inclined surface 15k (second inclined surface) of the cover member 15 faces the first front inclined surface 14g (first inclined surface) of the link arm 14 from above. there is Therefore, when the step plate 3 is in the retracted position, an oblique facing gap G2 is formed between the second rear inclined surface 15k of the cover member 15 and the first front inclined surface 14g of the link arm 14, as shown in FIG. can be formed. Therefore, the vertical stroke distance S (see FIG. 4) between the second rear inclined surface 15k and the first front inclined surface 14g can be set larger than the facing gap G2. Therefore, even if the first forward projecting portion 14e of the link arm 14 approaches the second rear projecting portion 15i of the cover member 15 at the retracted position of the step plate 3 due to a manufacturing error or the like, there is a margin corresponding to the stroke distance S. can have Therefore, it is possible to prevent foreign matter from entering the step device 1 while avoiding the link arm 14 contacting the cover member 15 when the step plate 3 is in the retracted position. The relationship between the first forward projecting portion 14e of the link arm 14 and the second rearward projecting portion 15i of the cover member 15 is the first rearward projecting portion 14f of the link arm 14 and the second forward projecting portion of the cover member 15. 15j, the description thereof is omitted.

Further, according to the step device 1 according to the embodiment of the present invention, the cover member 15 includes at least one upper protrusion arranged above the second protrusion 15h and protruding in the same direction as the second protrusion 15h. It has 15m. Further, the cover member 15 has a recessed portion 15p recessed in the opposite direction to the second projecting portion 15h and the upper projecting portion 15m between the second projecting portion 15h and the upper projecting portion 15m. Therefore, the cover member 15 has flexibility in the vertical direction due to the second projecting portion 15h, the upper projecting portion 15m, and the recessed portion 15p. Therefore, even when the link arm 14 comes into contact with the cover member 15 at the retracted position of the step plate 3, the cover member 15 bends in the vertical direction, so that the link arm 14 can continue to retract. Furthermore, the second inclined surface (the second rearward inclined surface 15k and the second forward inclined surface 15l) of the cover member 15 is aligned with the first inclined surface (the first forward inclined surface 14g and the first rearward inclined surface 14i) of the link arm 14. By contacting with , the opposing gap G2 can be made zero, and entry of foreign matter into the step device 1 can be suppressed.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the step device 1 according to the above-described embodiments, and any aspect included in the concept of the present invention and the scope of claims can be applied. , and each configuration may be selectively combined as appropriate. For example, although the drive motor 10 drives the drive link 12 to rotate in the above embodiment, the drive link 12 may be driven by another actuator such as a cylinder instead of the drive motor 10 . Further, the shape, material, arrangement, size, etc. of each component in the above embodiments may be changed as appropriate according to specific aspects of the present invention.

1 step device 3 step plate (step for getting on and off)
10 drive motor (actuator)
11 link bracket (vehicle fixing member)
12 drive link (first link arm)
13 Driven link (2nd link arm)
14 link arm (step support member)
14d first projecting portion 14g first forward inclined surface (first inclined surface)
14i first rear inclined surface (first inclined surface)
15 cover member 15c body portion 15h second projecting portion 15k second rear inclined surface (second inclined surface)
15l second forward inclined surface (second inclined surface)
15m upper protrusion 15p recess 20 vehicle body

Claims (3)

a step for boarding and alighting;
a vehicle body fixing member fixed to the vehicle body;
a step support member that supports the step for getting on and off at one end and extends in the vehicle width direction;
a first link arm having one end rotatably supported by the vehicle body fixing member and the other end rotatably supported by the other end of the step support member;
One end is rotatably supported by the vehicle body fixing member while being separated from the first link arm to the outside in the vehicle width direction, and the other end is rotatably supported by the other end of the step support member. a two-link arm;
a cover member attached to the vehicle body fixing member;
an actuator that rotationally drives the first link arm,
By rotationally driving the first link arm by the actuator, the step for getting on and off is moved in the vehicle width direction between a deployed position located outside the vehicle body and a retracted position located below the vehicle body. A vertical link type step device for a vehicle,
The step support member has a first projecting portion projecting outwardly of the step support member in the longitudinal direction of the vehicle body,
The cover member is
A main body portion extending downward so as to cover at least a portion of the step support member in the longitudinal direction of the vehicle body at a retracted position of the step for entry/exit while having a gap with respect to the step support member in the longitudinal direction of the vehicle body. and,
a second projecting portion projecting inwardly of the cover member in the longitudinal direction of the vehicle body and facing the first projecting portion from above at the retracted position of the step for entry and exit;
A step device for a vehicle, characterized by comprising: The first projecting portion of the step support member has a first inclined surface that slopes downward in a direction away from the step support member,
the second projecting portion of the cover member has a second inclined surface that slopes upward in a direction away from the cover member;
2. The step device for a vehicle according to claim 1, wherein said second inclined surface faces said first inclined surface from above when said step for entry and exit is in a retracted position. The cover member has at least one upper protrusion arranged above the second protrusion and protruding in the same direction as the second protrusion,
3. The cover member according to claim 1, wherein the cover member has a recess between the second projecting portion and the upper projecting portion that is recessed in a direction opposite to the second projecting portion and the upper projecting portion. vehicle step device.

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