JP2549737Y2 - Vehicle step device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a step device for a vehicle, and more particularly to a flat step having an outer end portion fixed to a lower inner surface of a door and an inner end portion movably supported by a rail provided on a vehicle body. The step relates to a step device that advances and retreats from below the floor of the vehicle body in conjunction with opening and closing of the door.

[0002]

2. Description of the Related Art As one type of a step device for a vehicle, an outer end of a flat step is fixed to a lower inner surface of a door, and an inner end is movably supported by a rail provided on a vehicle body. There is a step device that advances and exits from below the floor of the vehicle body in conjunction with opening and closing of the door.

[0003]

In such a type of step device, a door and a step are interlocked in order to improve the occupant's getting on and off, but the door is opened by a door checker at the maximum opening. Because it is configured to maintain the state, if the door can only be half-opened in narrow left and right passages, etc., the half-open state of the door is not regulated at all and the step can go into and out of an unstable state. Yes, the steps are not convenient. Therefore, an object of the present invention is to eliminate such a problem.

[0004]

According to the present invention, an outer end portion of a flat step is fixed to a lower inner surface of a door and an inner end portion is movably supported by a rail provided on a vehicle body. A step device which advances and retreats from below the floor of the vehicle body in conjunction with opening and closing of the door, and the step device is fitted to a fixed rail fixed to the vehicle body side and slidably in the longitudinal direction on the fixed rail. A movable rail, an engaging portion provided on the fixed rail side along a longitudinal direction of the fixed rail, and a predetermined width provided on one side edge of the movable rail so as to be rotatable in a vertical direction. And a plate-like step having a predetermined length, an engaged part provided on the side of the step, which is engaged with and disengaged from the engagement part by the rotation of the step, and regulates the longitudinal movement of the step. Urge upward And it is characterized in that it comprises a spring member.

[0005]

[Operation and effect of the invention] In the step device having such a configuration, the step advances and retreats in conjunction with the opening and closing operation of the door, so that the occupant can get on and off using the step. When the foot is hung, it rotates downward around one side edge of the step, and the engaged portion provided in the step engages with the engaging portion provided on the fixed rail side in the longitudinal direction of the step. Movement is regulated. In this state, the opening and closing of the door is also restricted, and the open state is maintained. Therefore, even when the door can only be opened halfway in a narrow passage on the left and right, if the occupant puts his / her foot on the step, the halfway open state of the door is reliably maintained, and the step becomes stable and the usability of the step is improved. It will be good.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. FIGS. 1 and 2 show a step device for a vehicle according to the present invention. The step device 10 is shown in FIG.
As shown in (a) and (b), it is disposed between the vehicle body 21 and the door 22, and includes a fixed rail 11, a movable rail 12, a regulating plate 13, a step 14, and a spring member 15 as main constituent members.

The fixed rail 11 has an arc shape having a predetermined radius of curvature, is fixed to the vehicle body 21 via the brackets 16a and 16b, and is located below the floor 23 near the entrance. The movable rail 12 is a fixed rail 11
An arc-shaped one having substantially the same radius of curvature as that described above, is mounted on the fixed rail 11 via the rollers 17a and the respective balls 17b so as to be slidable in the longitudinal direction by a predetermined amount, and has an outer end located below the door 22. It is fixed to the inner surface. Regulation plate 1
Reference numeral 3 denotes a plate having a substantially L-shaped cross section, which has an arc shape having substantially the same radius of curvature as the fixed rail 11 and is shorter than the fixed rail 11. The restriction plate 13 is fixed to the fixed rail 11 and extends upward from the lower surface of the rail 11 to the outside of the movable rail 12. A large number of engaging recesses 13a are provided at the upper edge of the regulating plate 13.

[0008] The step 14 is a circular plate having a radius of curvature substantially the same as that of the movable rail 12, and is a flat plate having a shorter length than the rail 12. The step 14 is mounted at the inner edges at both ends in the longitudinal direction so as to be rotatable in the vertical direction via hinges 18a.
5 are interposed. The spring member 15 always urges the step 14 upward. The outer edge of the step 14 is provided with an engaged projection 14a which engages with and disengages from the engagement recess 13a of the regulating plate 13.

In the step device 10 having such a configuration, when the door 22 is closed, it is stored below the floor 23 as shown in FIG. 3B, and when the door 22 is opened, as shown in FIG. Then, the movable rail 12 slides, and the step 14 assembled to the rail 12 moves integrally and advances. That is, the step 14 advances and exits in conjunction with the opening and closing operation of the door 22, so that the occupant can get on and off using the step 14.

When the passenger steps on the step 14, the step 14 pivots downward around the hinge 18a on the outer edge thereof against the spring member 15, and the step 14 is mounted on the step 14. The engagement projection 14a is located on the regulating plate 13.
And restricts the movement of the step 14 in the longitudinal direction. In this state, the opening and closing of the door 22 is also regulated, and the open state is maintained. Therefore, even when the door 22 can only be opened halfway in a narrow passage on the left and right, the halfway open state of the door 22 is reliably maintained, and the step 14 becomes a stable state, and the usability of the step 14 is improved.

[Brief description of the drawings]

FIG. 1 is a vertical sectional front view of a step device according to an embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of the step device.

FIG. 3 is a schematic diagram showing a door open state (a) and a door closed state (b) of a vehicle to which the step device is assembled.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 ... Fixed rail, 12 ... Movable rail, 13 ... Restriction plate, 13a ... Engaging recess, 14 ... Step, 14a ... Engagement projection, 5 ... Spring member, 21 ... Body, 22 ... Door, 2
3… Floor.

Claims (1)

(57) [Scope of request for utility model registration] An outer end of a flat step is fixed to a lower inner surface of a door, and an inner end of the flat step is movably supported by a rail provided on a vehicle body, and the step interlocks with opening and closing of the door. A step device for advancing and retreating from below the floor of the vehicle body, the step device comprising: a fixed rail fixed to the vehicle body side; a movable rail slidably fitted to the fixed rail in a longitudinal direction; An engaging portion provided on the rail side along the longitudinal direction of the fixed rail; and a flat step having a predetermined width and a predetermined length provided on one side edge of the movable rail so as to be rotatable in a vertical direction. When,
An engaging portion provided on the side of the step and engaged with and disengaged from the engaging portion by the rotation of the step to restrict longitudinal movement of the step; and a spring member for urging the step upward. A step device for a vehicle.