JP2022035430A - Vehicle lower part structure - Google Patents

Abstract

To suppress the deformation amount of a step portion at the time of getting on/off of a vehicle, and to suppress noise due to the deformation of the step portion.SOLUTION: A vehicle lower part structure 10 is equipped with a slope device 1 capable of delivering a slope plate 11 retracted under a floor panel 4 to the outside of a vehicle in a vehicle upper surface view. If a part near a doorway on the floor panel 4 is made to be a step portion 42, while the slope plate 11 is retracted, a stopper rubber 43 is provided as an elastic member, at a position opposite to the slope plate 11 on a lower surface of the step portion 42 or a position opposite to the step portion 42 on an upper surface of the slope plate 11.SELECTED DRAWING: Figure 2

Description

The present invention relates to a vehicle lower structure provided with a slope device for getting on and off a wheelchair or the like.

Patent Document 1 discloses a vehicle lower structure including a slope device capable of feeding out a slope plate stored under a floor panel to the outside of the vehicle.

Japanese Unexamined Patent Publication No. 11-115798

In the vehicle lower structure in which the slope plate is stored under the floor panel as disclosed in Patent Document 1, the slope plate slides under the step portion near the entrance / exit of the floor panel when the slope plate is taken in and out. Therefore, an opening equal to or larger than the width of the slope plate is required under the step portion, and the step portion cannot be supported from below at the portion through which the slope plate passes. Therefore, when a person steps on the step portion with his / her foot when getting on and off the vehicle, the step portion is easily deformed so as to be recessed downward.

In addition, if the floor of the step portion of the floor panel is lowered to ensure ease of getting on and off, the space under the step portion becomes narrower. Therefore, when the slope plate is stored under the floor panel, the step portion and the slope plate are used. The distance is getting closer. Therefore, if the step portion is deformed by stepping on the step portion with a foot when a person gets on and off the vehicle, the step portion may come into contact with the slope plate stored under the floor panel and a clicking sound may be generated. ..

Therefore, it is an object of the present invention to suppress the amount of deformation of the step portion when the vehicle gets on and off, and to suppress the abnormal noise caused by the deformation of the step portion.

The vehicle lower structure according to the present invention is a vehicle lower structure provided with a slope device capable of extending a slope plate stored under the floor panel to the outside of the vehicle when viewed from above the floor panel. When the portion near the entrance / exit is used as the step portion, the position of the lower surface of the step portion facing the slope plate or the position of the upper surface of the slope plate facing the step portion with the slope plate retracted. , It is characterized in that an elastic member is provided.

In the present invention, when an elastic member is provided at a position facing the slope plate on the lower surface of the step portion or a position facing the step portion on the upper surface of the slope plate, a load is applied downward to the step portion. In addition, since the elastic member is sandwiched between the step portion and the slope plate, the slope plate also bears a downward load, thereby suppressing the amount of deformation of the step portion when the vehicle gets on and off, and at the same time, the abnormal noise caused by the deformation of the step portion is suppressed. It can be suppressed.

It is a perspective view which shows the vehicle lower structure of this embodiment in the state which the slope plate is stored under the floor panel. FIG. 3 is a cross-sectional view taken along the line AA in FIG. It is sectional drawing BB in FIG. It is a side view of the vehicle lower structure of the present embodiment in a state where the slope plate is stored under the floor panel, as viewed from the left side of the vehicle. It is a perspective view which shows the vehicle lower structure of this embodiment in the state which the slope plate is put out to the outside of a vehicle in order to carry in a wheelchair or the like into or out of a vehicle.

Hereinafter, the vehicle lower structure 10 of the present embodiment will be described with reference to the drawings. The arrow FR, the arrow UP, and the arrow RH shown in each figure described below indicate the front direction (traveling direction), the upward direction, and the right direction of the vehicle, respectively. Further, the opposite directions of the arrows FR, UP, and RH indicate the vehicle rear direction, the downward direction, and the left direction, respectively. Hereinafter, when the explanation is simply made using the front-rear, left-right, and up-down directions, unless otherwise specified, the front-rear direction of the vehicle front-rear direction, the left-right direction of the vehicle left-right direction (vehicle width direction), and the up-down direction of the vehicle up-down direction are shown. do.

The vehicle lower structure 10 is mounted on a vehicle provided with a sliding door on the left side, and includes a slope device 1 capable of carrying a wheelchair, a trolley, or the like into the vehicle from an entrance / exit provided with the sliding door. As shown in FIG. 1, the vehicle lower structure 10 has two side members 2 arranged on the left and right sides of the vehicle and extending in the front-rear direction, and two crosses extending in the vehicle width direction and having both ends connected to the side members 2. A member 3 and a floor panel 4 constituting the floor surface of the vehicle interior are provided. Both the side member 2 and the cross member 3 are a part of the vehicle body skeleton.

As shown in FIGS. 1 and 2, the floor panel 4 is composed of six floor portions 41 and one step portion 42. Both the floor portion 41 and the step portion 42 have a hollow quadrangular prism shape that is long in the front-rear direction and thin in the vertical direction. The six floor portions 41 and one step portion 42 are arranged in the vehicle width direction, and the step portion 42 is arranged on the leftmost side closest to the entrance / exit. Therefore, when a person gets on and off from the entrance / exit provided with the slide door, the step portion 42 is stepped on by the foot. The six floor portions 41 and the one step portion 42 are fixed to each other at the ends in the vehicle width direction so as to mesh with the adjacent floor portion 41 or the step portion 42 so as not to separate from each other. The floor portion 41 and one step portion 42 are integrated to form the floor panel 4. As shown in FIG. 3, the step portion 42 is fixed to the cross member 3 by bolts 5 in the front and rear. The floor portion 41 is also fixed to the cross member 3 by bolts 5 in the front and rear like the step portion 42.

As shown in FIGS. 2 and 3, the slope device 1 is arranged below the floor panel 4. The slope device 1 includes a slope plate 11 stored under the floor panel 4, a slope rail 12 that slidably supports the slope plate 11 in the vehicle width direction, and a drive motor (not shown). As shown in FIG. 3, the slope rail 12 is fixed to the cross member 3 and the floor panel 4 with bolts 5. Then, as shown in FIG. 4, when the vehicle lower structure 10 is viewed from the left side, an opening 6 for passing the slope plate 11 is provided under the step portion 42. The width of the opening 6 in the front-rear direction is larger than the width of the slope plate 11 in the front-rear direction.

With the sliding door open, the occupant operates a switch installed in the vehicle interior to operate the drive motor of the slope device 1, and the slope plate 11 is retracted under the floor panel 4 shown in FIG. From this state, it slides on the slope rail 12 and is fed out to the left side of the vehicle through the opening 6. Then, when the slope plate 11 comes out of the vehicle, the slope plate 11 is tilted in the direction in which the tip of the slope plate 11 is lowered by the drive motor of the slope device 1, and the tip of the slope plate 11 is on the road surface as shown in FIG. Contact. By extending the slope plate 11 to the outside of the vehicle in this way so that the tip of the slope plate 11 is in contact with the road surface, the road surface and the floor surface of the floor panel 4 are connected by the slope plate 11 without a step, and the wheelchair or the like. A dolly or the like can be carried in or out of the car. Then, after the wheelchair, trolley, or the like is carried in or out, the occupant operates a switch installed in the vehicle to operate the drive motor of the slope device 1, and the slope plate 11 is returned to the horizontal position and the width of the vehicle is increased. It can be slid inward in the direction and stored under the floor panel 4 as before.

The vehicle lower structure 10 has a structure in which the step portion 42 and the floor portion 41 cannot be supported from below in order to avoid interference with the slope plate 11 at the portion where the slope plate 11 passes when the slope plate 11 is taken in and out. It has become. Therefore, with the slope plate 11 stored under the floor panel 4, when a person gets on and off from the entrance / exit provided with the slide door, the step portion 42 or the floor portion 41 of the floor panel 4 is stepped on by a foot. A load is applied downward, and the floor panel 4 may be deformed so as to be recessed downward.

In particular, when a load is applied downward to the position indicated by the arrow in FIGS. 2 and 3, that is, the central portion and the left end position in the front-rear direction of the step portion 42, the amount of deformation of the step portion 42 is structurally the largest. .. Therefore, as shown in FIGS. 2, 3 and 4, in a state where the slope plate 11 is stored under the floor panel 4, a stopper rubber 43 is used as an elastic member on a portion of the lower surface of the step portion 42 facing the slope plate 11. Is provided. As shown in FIG. 3, the stopper rubber 43 is provided at the central portion in the front-rear direction of the step portion 42, and protrudes downward from the lower surface of the step portion 42.

Since the stopper rubber 43 is provided on the lower surface of the step portion 42 in this way, by stepping on the step portion 42 of the floor panel 4 when a person gets on and off from the entrance / exit provided with the slide door, the step portion Even when the 42 is deformed so as to be recessed downward, in the vehicle lower structure 10 of the present embodiment, the stopper rubber 43 abuts on the upper surface of the slope plate 11, and the slope plate 11 also bears a downward load. Therefore, the amount of deformation of the step portion 42 can be suppressed.

Further, even if the step portion 42 is deformed so as to be recessed downward in this way, the stopper rubber 43 is sandwiched between the step portion 42 and the slope plate 11, and the step portion 42 is directly attached to the slope plate 11. Since the stopper rubber 43 comes into contact with the slope plate 11 without contacting, no metallic noise is generated, and abnormal noise caused by deformation of the step portion 42 can be suppressed.

As shown in FIGS. 2 and 3, when the slope plate 11 is stored under the floor panel 4 and no downward load is applied to the step portion 42, between the lower end of the stopper rubber 43 and the slope plate 11. Since there is a gap in the slope plate 11, the slope plate 11 does not interfere with the stopper rubber 43 when the slope plate 11 is taken in and out.

<Supplement to the embodiment>
The vehicle undercarriage structure of the present disclosure is not limited to the above-mentioned form, and can be implemented in various forms within the scope of the gist of the present disclosure. For example, it may be a vehicle lower structure equipped with a slope device mounted on a vehicle provided with a sliding door on the right side and capable of extending the slope plate to the right side of the vehicle. Further, the vehicle lower structure may be provided with a slope device capable of extending the slope plate to the rear of the vehicle with the back door of the vehicle open. Further, the stopper rubber may be provided on the upper surface of the slope plate instead of being provided on the lower surface of the step portion of the floor panel. However, if the stopper rubber is provided on the upper surface of the slope plate, the wheel of the wheelchair or the like should not pass through so that the stopper rubber does not become an obstacle when the slope plate is raised and the wheelchair or the like is carried into the vehicle. A stopper rubber should be provided.

1 Slope device, 2 Side members, 3 Cross members, 4 Floor panels, 5 bolts, 6 openings, 10 Vehicle substructures, 11 Slope plates, 12 Slope rails, 41 floors, 42 steps, 43 stopper rubber.

Claims (1)

It is a vehicle lower structure equipped with a slope device capable of extending a slope plate stored under the floor panel to the outside of the vehicle when viewed from above the vehicle.
When the part of the floor panel near the entrance / exit is used as the step part
In the state where the slope plate is stored, the elastic member is provided at a position facing the slope plate on the lower surface of the step portion or a position facing the step portion on the upper surface of the slope plate. Vehicle undercarriage.

Images