JP3909739B2 - Slope device for vehicle - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a slope structure that enables a wheelchair or the like to be taken in and out by lowering a slope from a vehicle to the ground.
[0002]
[Prior art]
As a conventional vehicle slope device, for example, as disclosed in Japanese Patent Laid-Open No. 10-86739, a foldable slope device that facilitates getting on and off by a wheelchair and can be stored in the rear portion of the vehicle is known.
[0003]
As the slope structure of such a slope device, a rolled material made of aluminum alloy is generally used for the floor member of the slope, and both side portions of the floor member are bent to prevent the wheelchair wheel from getting over. Further, the rigidity of the floor member when a load is applied on the slope is ensured by the thickness of the rolled material or reinforcement by another member.
[0004]
[Problems to be solved by the invention]
However, in the conventional slope device described above, it is necessary to increase the thickness of the floor member of the slope in order to satisfy the rigidity of the slope. As a result, the mass of the slope device increases, and the slope development / There was a problem that the operation during storage was complicated.
[0005]
In addition, there is a method to attach and reinforce another plate material from the back side of the floor member to the part where strength is required by welding, etc., but it is inferior in appearance because the other member is attached, and in terms of cost and storage of the slope There was also a problem that it was disadvantageous in terms of space in the vehicle.
[0006]
Therefore, the present invention provides a vehicle slope device that is smooth and easy to operate at the time of expanding and storing the slope without causing a decrease in rigidity of the floor member when a load is applied on the slope, and is attractive and inexpensive. The issue is to provide.
[0007]
[Means for Solving the Problems]
The means of the present invention taken in order to solve the above problems is a slope device that allows a wheelchair to be loaded and unloaded by unfolding the slope from the rear part of the vehicle on which the wheelchair can be mounted to the ground. The slope is fixed to the side rail by sandwiching the front and back surfaces of the side rail on both sides of the slope. A plurality of floor members extending in a direction intersecting with the floor members, the floor members are formed into a hollow shape by extrusion molding of an aluminum alloy, and stepped portions are formed on opposing surfaces of the adjacent floor members facing each other. integrally provided, the step portion has a parallel parallel plane with respect to the slope surface, parallel surfaces of the stepped portion of the front side of the floor member upward Parallel surfaces of the stepped portion of the Rutotomoni rear is downward, in the parallel plane the stepped portions of the respective adjacent floor member is to engage with one another overlap in a direction perpendicular to the slope surface. In addition, in the slope device that allows the wheelchair to be taken in and out by unfolding and lowering the slope from the rear of the vehicle on which the wheelchair can be mounted to the ground, the slope is developed on both sides of the slope. includes a side rail extending in a direction, and a plurality of floor members extending in a direction crossing the extending direction of the slope is fixed by sandwiching both sides of the slope to the side rails, the floor The member is formed into a hollow shape by extrusion molding of an aluminum alloy, and a step portion is integrally provided on opposing surfaces of the adjacent floor members, and the step surface at the step portion on the front side of the floor member is upward. step surface of the stepped portion of the rear side along with it are downwardly stepped surfaces of the stepped portions of adjacent floor members, Ro It is to engage one another overlap in a direction perpendicular to the flop surface.
[0008]
According to the above-described means, the adjacent floor members are engaged with each other in the vertical direction with respect to the slope surface by the stepped portion, so that the load on the slope developed in the inclined shape is on the rear side of the floor member . An adjacent floor member can receive a load perpendicular to the slope surface, and a plurality of floor members can receive a load on the slope.
[0009]
Therefore, it is possible to reduce the weight of the entire slope by making one floor member into a hollow shape by extrusion molding of an aluminum alloy without causing a decrease in rigidity of the floor member. In addition, it is possible to integrally provide an anti-slip protrusion that extends in the longitudinal direction of the floor member on the surface of the floor member.
[0010]
As a result, the slope can be smoothly deployed and stored, and it is not necessary to reinforce the floor member with a separate member.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a vehicle slope device according to the present invention will be described with reference to the drawings.
[0012]
FIG. 1 is a perspective view of a vehicle equipped with a slope device, showing a state in which the slope 3 is unfolded. A door 2 that opens and closes the rear of the vehicle body is opened, and a wheelchair (not shown) is loaded in the vehicle interior 1. Yes.
[0013]
The slope 3 that allows the wheelchair to be inserted into and removed from the rear end of the floor of the vehicle interior 1 is stored in the vehicle interior 1 side by folding and standing when not in use, and when used, the tip of the slope 3 is on the ground as shown in FIG. The slope 3 is developed so that the slope of the entire slope 3 has a gentle shape.
[0014]
2-7 shows the slope and floor member in one Embodiment of this invention.
[0015]
FIG. 2 shows a state where the slope 3 is unfolded, and the front slope 4 and the rear slope 5 are rotatably connected by a hinge 6.
[0016]
As shown in FIGS. 3 and 4, the front-side slope portion 4 includes a side rail 7 extending in the developing direction of the slope 3, a plurality of intermediate floor members 8 extending in the vertical direction of the side rail 7, and the front side Similarly, the rear slope portion 5 is composed of a side rail 7, a plurality of intermediate floor members 8, and a rear floor member 10. The side rail 7, the intermediate floor member 8, and the front side The floor member 9 and the rear side floor member 10 are fixed by welding or screwing.
[0017]
As shown in FIGS. 4 to 7, the intermediate floor member 8, the front side floor member 9, and the rear side floor member 10 that are adjacent to each other extend in the longitudinal direction facing each other in the vertical direction (the surface of the slope 3. Step portions 8a, 9a and 10a are integrally formed as engaging portions that can be engaged in a direction (perpendicular to the adjacent floor member).
[0018]
In the present embodiment, the stepped portions 8a are alternately arranged on the front surface side and the back surface side on both opposing surfaces so that the development direction length of the slope 3 of each intermediate member 8 on the front surface side and the back surface side of the slope 3 is the same. Is provided.
[0019]
The intermediate floor member 8, the front side floor member 9, and the rear side floor member 10 are formed into a hollow shape by extrusion molding of an aluminum alloy or a synthetic resin, and as shown in FIGS. Non-slip projections 8b, 9b, 10b extending in parallel in the longitudinal direction are integrally provided on the surfaces of the floor members 8, 9, 10 located on the surface side of the floor.
[0020]
FIG. 9 shows a modification of the present invention. Steps 80a are provided on both opposing surfaces of each intermediate floor member 80 on the same side of the front or back side of the slope.
[0021]
According to this modification, a load can be received by the floor members on both sides with respect to a vertically downward load.
[0022]
Moreover, the shape where the level | step-difference parts 8a, 9a, and 10a of a floor member may mutually fit may be sufficient.
[0023]
In FIGS. 4 and 9, the hollow cross-sectional shape of each floor member is omitted so that the shape of the step portion can be easily understood.
[0024]
According to the above-described embodiment, the stepped portion that can be vertically engaged with the opposing surfaces of the intermediate floor member 8, the front-side floor member 9, and the rear-side floor member 10 (such that the terminals of adjacent floor members overlap each other). Since 8a, 9a, and 10a are integrally formed, the load on the slope can be received by a plurality of floor members, and one floor member is lightened by extrusion or the like without causing a decrease in the rigidity of the floor member. Since a simple hollow shape can be easily formed, the weight of the entire slope can be reduced, and as a result, the operation for expanding and storing the slope can be performed smoothly.
[0025]
Further, there is no need to reinforce the floor member by a separate member, and the appearance is good because the protrusions 8b, 9b, and 10b for preventing slipping are integrally provided.
[0026]
Thus, the mass of the entire slope device can be reduced, leading to cost reduction.
[0027]
Further, since the plurality of intermediate floor members 8 can have the same shape, the number of intermediate floor members 8 can be adjusted to easily cope with a slope device for a vehicle having different slope development lengths. be able to.
[0028]
As a comparative example, as shown in FIG. 8, in the case of a structure in which a plurality of floor members 90, 100, 180 are simply abutted and arranged, the load on the slope is displaced due to the deflection of the floor member near the center. Occurs.
[0029]
On the other hand, in the case of this embodiment, as shown in FIG. 4, it can engage with the opposing surface of the intermediate | middle floor member 8, the front side floor member 9, and the rear side floor member 10 in a perpendicular direction (adjacent floor members overlap. Since the step portions 8a, 9a, 10a are integrally formed, at least one side can receive the load even on the adjacent floor member with respect to the load in the vertical downward direction, and the bending of each floor member is prevented. Is done.
[0030]
In the above-described embodiment, the slope device that can be folded in two has been shown. However, in carrying out the present invention, the above-described embodiment may be used even if the device can be folded in three or a slide-type slope device. The same effect can be obtained.
[0031]
【The invention's effect】
As described above, according to the present invention, there is provided a vehicle slope device that can smoothly and smoothly be operated during the deployment and storage of the slope without causing a decrease in the rigidity of the floor member with respect to the load applied on the slope, and is attractive and inexpensive. Can be provided.
[Brief description of the drawings]
FIG. 1 is a perspective view of a vehicle equipped with a vehicle slope device according to the present invention.
FIG. 2 is a perspective view of a slope in an embodiment of a vehicle slope device according to the present invention.
FIG. 3 is a cross-sectional view taken along the line II in FIG. 2;
4 is a cross-sectional view of FIG.
5 is an enlarged view of the intermediate floor member 8 of FIG. 4. FIG.
6 is an enlarged view of the front side floor member 9 of FIG. 4;
7 is an enlarged view of the rear side floor member 10 of FIG. 4. FIG.
8 is a comparative example with one embodiment of the present invention shown in FIG.
9 is a modification of the embodiment of the present invention shown in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vehicle interior part 2 Vehicle rear part door 3 Slope 4 Front side slope 5 Rear side slope 6 Hinge 7 Side rail 8 Intermediate floor member 8a Step part (engagement part)
8b Non-slip protrusion 9 Front floor member 9a Stepped portion (engagement portion)
9b Non-slip projection 10 Rear floor member 10a Stepped portion (engagement portion)
10b Anti-slip protrusion

Claims (3)

In the slope device that allows the wheelchair to be taken in and out of the rear of the vehicle on which the wheelchair can be mounted , by expanding and lowering the slope so as to have an inclined shape ,
The slope, intersects the the side rails extending in the expansion direction of the slope on both sides, in the deployment direction of the slope is fixed by sandwiching the front and rear surfaces on both sides of the slope to the side rails A plurality of floor members extending in the direction of
The floor member is formed into a hollow shape by extrusion molding of an aluminum alloy,
Step portions are integrally provided on opposing surfaces of the adjacent floor members, the step portions have a parallel surface parallel to the slope surface, and the parallel surfaces of the step portions on the front side of the floor member are The parallel surfaces of the step portions on the rear side are upward and downward, and the step portions of the adjacent floor members are each parallel surfaces and overlap each other in a direction perpendicular to the slope surface,
With respect to the load on the slope developed in an inclined shape, the load is applied perpendicularly to the slope surface in the parallel surface on the front side even in the adjacent floor member on the rear side of the floor member receiving the load. A vehicle slope device characterized by having a configuration capable of performing the above. In the slope device that allows the wheelchair to be taken in and out of the rear of the vehicle on which the wheelchair can be mounted , by expanding and lowering the slope so as to have an inclined shape ,
The slope extends on a side rail extending on both sides of the slope, and is fixed to the side rail by being sandwiched on both sides of the slope and extends in a direction intersecting the slope development direction. A plurality of floor members
The floor member is formed into a hollow shape by extrusion molding of an aluminum alloy,
Step portions are integrally provided on opposing surfaces of the floor members adjacent to each other, the step surface in the step portion on the front side of the floor member is upward and the step surface in the step portion on the rear side is downward, Stepped surfaces of the stepped portions of adjacent floor members overlap each other in a direction perpendicular to the slope surface and engage with each other,
For the load on the slope deployed in an inclined shape, the adjacent floor member on the rear side of the floor member receiving the load is perpendicular to the slope surface by the stepped surfaces that overlap and engage with each other. A vehicle slope device characterized by being configured to receive a load.   3. The vehicle according to claim 1, wherein an anti-slip protrusion that extends in a longitudinal direction of the floor member is integrally provided on a surface of the floor member positioned on a surface side of the slope. Slope device.

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