JP2019136335A - Vehicle slope - Google Patents

Abstract

To provide a vehicle slope capable of favorably supporting an operation by a user.SOLUTION: A vehicle slope 1 includes two or more stages of plate bodies 10 that are mutually relatively movable by sliding; side rails 20 arranged at end parts of the plate bodies 10 in a width direction; and slide support mechanisms for supporting relative slide movements of the one side rail 20 and the adjacent other side rail 20. The slide support mechanisms include rotation bodies 30 and taper rollers 40A, 40B.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle slope.

  Patent Document 1 describes a vehicle slope including a plurality of plates that can slide relative to each other. Such a vehicle slope is stored on the floor wall portion of the vehicle body in a state where a plurality of plates are overlapped with each other. In use, the vehicle slope is pulled out of the vehicle through the guide roller while the plurality of plates are overlapped with each other, and then the plurality of plates are sequentially pulled out, so that the floor wall of the vehicle body It is installed on the ground and the ground outside the vehicle.

JP 2017-29640 A

  In the vehicle slope of Patent Document 1, the guide roller assists the movement of the plurality of plate bodies when the vehicle is pulled out of the vehicle while the plurality of plate bodies are overlapped. However, when the plurality of plates pulled out of the vehicle are sequentially pulled out, the user bears the operation load of the plurality of plates.

  This invention is made | formed in view of the said point, and makes it a subject to provide the slope for vehicles which can support operation by a user suitably.

  In order to solve the above problems, a vehicle slope according to the present invention includes two or more plate bodies that are slidable relative to each other, a side rail provided at an end in the width direction of the plate body, A slide support mechanism that supports relative slide movement between the side rail and another side rail adjacent to the side rail.

  According to the present invention, it is possible to favorably support the operation of the vehicle slope by the user.

It is a side view showing typically a vehicle provided with a slope for vehicles concerning an embodiment of the present invention. It is sectional drawing which shows a vehicle slope typically. It is a figure which shows the example of arrangement | positioning of a slide assistance mechanism, (a) is a side view which shows typically the state by which the plate body was piled up, (b) is a side view which shows typically the state by which the plate body was pulled out. It is. It is a figure which shows the example of arrangement | positioning of a slide assistance mechanism, (a) is a side view which shows typically the state by which the plate body was piled up, (b) is a side view which shows typically the state by which the plate body was pulled out. It is. It is a figure which shows the example of arrangement | positioning of a slide assistance mechanism, (a) is a side view which shows typically the state by which the plate body was piled up, (b) is a side view which shows typically the state by which the plate body was pulled out. It is. (A) (b) is a figure which shows the example of the shape of a rotary body. (A) (b) is a figure which shows the example of the shape of a rotary body.

  Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate. Note that “front and rear” indicated by arrows in FIG. 1 indicates the front and rear direction of the vehicle, and “left and right” indicates the left and right direction (vehicle width direction) as viewed from the driver's seat. In addition, regarding the plate body and the side rail, the end portion on the side where the first-stage plate body is pivotally supported by the floor wall portion of the vehicle body is the base end portion, and the end portion on the side facing the base end portion is the front end portion. And Also, the direction perpendicular to the line segment connecting the base end and the tip end in the plane of the plate is defined as the width direction. In the present embodiment, the width direction of the plate body and the side rail coincides with the vehicle width direction.

<Slope for vehicles>
As shown in FIG. 1, a vehicle slope 1 according to an embodiment of the present invention includes a floor wall portion 4 of a vehicle body 2 and a ground G outside the vehicle lower than the floor wall portion 4 through a rear opening 3 of the vehicle body 2. The object (wheelchair etc.) can be moved between the inside of the vehicle and the outside of the vehicle.

  As shown in FIG. 2, the vehicle slope 1 includes a plurality of plate bodies 10 (10A, 10B, 10C), side rails 20 (20A, 20B, 20C) provided at both ends in the width direction of the plate body 10, Rotating body 30 (30A, 30B).

<Plate>
The plurality of plate bodies 10 are metal members in which an object (wheelchair or the like) can move on the upper surface of the plate body 10 in an unfolded state to be described later. The base end portion of the first-stage plate 10 </ b> A is pivotally supported with respect to the floor wall portion 4 of the vehicle body 2. The second-stage plate body 10B is pulled out to the first-stage plate body 10A via the slide rails 20A and 20B in a state of being superimposed on the plate body 10A and toward the front end portion of the plate body 10A. It is slidable between the two states. The third-stage plate body 10C is pulled out toward the second-stage plate body 10B through the slide rails 20B and 20C in a state of being superimposed on the plate body 10B and toward the distal end portion of the plate body 10B. It is slidable between the two states.

  The plurality of plates 10 </ b> A to 10 </ b> C can be in a retracted state in which they are placed on the floor wall portion 4 of the vehicle body 2 in a state where they are overlapped with each other. In the retracted state, the second-stage plate body 10B is disposed below the first-stage plate body 10A, and the third-stage plate body 10C is disposed below the second-stage plate body 10B. Has been. Further, the plurality of plate bodies 10A to 10C can take an upright state in which they stand up from the floor wall portion 4 of the vehicle body 2 in a state of being overlapped with each other. In the standing state, the plurality of plate bodies 10A to 10C are in a state along the back door 5 (closed state) capable of opening and closing the rear opening 3 of the vehicle body 2. Further, the plurality of plate bodies 10A to 10C can be in an unfolded state where the plate bodies 10A to 10C are installed between the floor wall portion 4 of the vehicle body 2 and the ground G outside the vehicle in a state of being pulled out from each other. In the unfolded state, the second-stage plate body 10B is disposed above the first-stage plate body 10A, and the third-stage plate body 10C is disposed above the second-stage plate body 10B. Yes.

<Side rail>
As shown in FIG. 2, the side rail 20 is a metal or resin member that extends along both widthwise ends of the plate body 10. In FIG. 2, only the side rail 20 extending along the right end portion of the plate body 10 is illustrated.

  The side rails 20A provided at both ends in the vehicle width direction of the first-stage plate body 10A are integrally provided with a base portion 21, an extending portion 22, and a standing portion 23. The base portion 21 has a groove shape that is externally fitted to the vehicle width direction end portion of the plate body 10A. The extending portion 22 extends from the outer end portion in the vehicle width direction of the base portion 21 outward in the width direction. The standing portion 23 is erected from the outer end portion of the extending portion 22 in the vehicle width direction toward the plate body 10B (upward in the unfolded state).

  The side rails 20B provided at both ends in the vehicle width direction of the second-stage plate body 10B are assembled so as to be slidable in the longitudinal direction with respect to the first-stage side rail 20A. The side rail 20 </ b> B is integrally provided with a base portion 21, an extending portion 22, and a standing portion 23. The base portion 21 has a groove shape that is externally fitted to the end portion in the vehicle width direction of the plate body 10B. The extending portion 22 extends outward in the vehicle width direction from the plate body 10C side end portion of the base portion 21 in the vehicle width direction outer end portion. The standing portion 23 extends from the outer end portion of the extending portion 22 in the vehicle width direction toward the plate body 10C (upward in the unfolded state).

  The side rails 20C provided at both ends of the third-stage plate body 10C in the vehicle width direction are assembled so as to be slidable in the longitudinal direction with respect to the second-stage side rail 20B. And the extending portion 22 are integrally provided. The base portion 21 has a groove shape that is externally fitted to the vehicle width direction end portion of the plate body 10C. The extending part 22 is extended outward in the vehicle width direction from the end opposite to the plate body 10 </ b> B at the outer end in the vehicle width direction of the base 21.

  The side rails 20 </ b> A to 20 </ b> C have stoppers or the like so that the adjacent rails can be slid between a state where they are overlapped with each other and a state where they are pulled out. Further, the side rails 20 </ b> A to 20 </ b> C are assembled so as to prevent the adjacent ones from being separated in a direction orthogonal to the surface of the plate body 10.

  One surface 22a (upper surface in the unfolded state) of the extended portion 22 of the first-stage side rail 20A, the vehicle width direction inner side surface 23a of the standing portion 23, and the vehicle width direction outside of the base portion 21 of the second-stage side rail 20B. A rotating body 30A is provided between the side surface and one surface 22c (the lower surface in the unfolded state) of the extending portion 22. Further, the vehicle width of one surface 22a (upper surface in the unfolded state) of the extending portion 22 of the second-stage side rail 20B and the vehicle width direction inner side surface 23a of the standing portion 23 and the base portion 21 of the third-stage side rail 20C. A rotating body 30B is provided between the direction outer side surface 21a and the one surface 22c (lower surface in the unfolded state) of the extending portion 22.

<Slide support mechanism: rotating body and taper roller>
As shown in FIG. 2 and FIG. 6A, the rotating body 30 includes a main body portion 31 and a pair of shaft portions 32 and 32 protruding from the main body portion 31. The main body 31 is a part that supports the sliding movement of the plate body 10 and the side rails 20, and has a spherical shape or an elliptical spherical shape (spherical shape in FIG. 2). A pair of shaft parts 32 and 32 are arrange | positioned on the straight line so that the rotating shaft (refer the dashed-dotted line in FIG.2 and FIG.6) of the main-body part 31 may be comprised. The distal end portion of the shaft portion 32 has a tapered conical shape.

  The rotating body 30A is pivotally supported by the side rail 20A of the first-stage plate body 10A so as to be rotatable. In the rotating body 30A, the distal end portion of one shaft portion 32 is accommodated in a recess 22b formed on one surface 22a (upper surface in the unfolded state) of the extending portion 22 of the side rail 20A. The distal end portion of one shaft portion 32 is supported by a taper roller 40A provided in the recess 22b so as to be rotatable around the axis of the shaft portion 32. In the rotating body 30A, the distal end portion of the other shaft portion 32 is accommodated in a recess 23b formed on the inner side surface 23a in the vehicle width direction of the standing portion 23 of the side rail 20A. The distal end portion of the other shaft portion 32 is supported by a taper roller 40A provided in the recess 23b so as to be rotatable around the axis of the shaft portion 32.

  In the rotating body 30A, the main body portion 31 abuts on the vehicle width direction outer side surface 21a of the base portion 21 of the side rail 20B and the one surface 22c (lower surface in the unfolded state) of the extending portion 22. That is, the rotating body 30A comes into contact with the two different surfaces 21a and 22c of the side rail 20B at two locations with different latitudes when the rotation axis is a pole.

  The rotating body 30B is pivotally supported by the side rail 20B of the second-stage plate body 10B so as to be rotatable. In the rotating body 30B, the tip portion of one shaft portion 32 is accommodated in a recess 22b formed on one surface 22a (upper surface in the unfolded state) of the extending portion 22 of the side rail 20B. The distal end portion of one shaft portion 32 is supported by a taper roller 40B provided in the recess 22b so as to be rotatable around the axis of the shaft portion 32. In the rotating body 30B, the tip end portion of the other shaft portion 32 is accommodated in a recess 23b formed on the inner side surface 23a in the vehicle width direction of the standing portion 23 of the side rail 20B. The tip of the other shaft portion 32 is supported by a taper roller 40B provided in the recess 23b so as to be rotatable around the axis of the shaft portion 32.

  In the rotating body 30B, the main body 31 abuts on the outer surface 21a in the vehicle width direction of the base 21 of the side rail 20C and the one surface 22c (the lower surface in the unfolded state) of the extending portion 22. That is, the rotating body 30B comes into contact with two different surfaces 21a and 22c of the side rail 20C at two locations with different latitudes when the rotating shaft is a pole.

  That is, the combination of the rotating body 30A and the taper roller 40A, and the combination of the rotating body 30B and the taper roller 40B provide a slide support mechanism that supports relative sliding movement between one side rail 20 and another adjacent side rail 20. Configure.

  In the unfolded state, the rotation shaft of the rotating body 30 is inclined so as to go upward as it goes outward in the vehicle width direction. In the present embodiment, the rotation axis of the rotating body 30 is set to an inclination angle of 45 ° with respect to the width direction of the plate body 10.

<Friction part>
The vehicle slope 1 includes a friction portion 50 (51A, 52A, 53A, 54A, 51B, 52B, 53B, 54B). The friction part 50 is a member for adjusting the operation load of the vehicle slope 1 by generating a frictional resistance with the member in contact. The friction part 50 can be realized by a brush, a resin-made or rubber plate-like member, or the like.

  Friction part 51A is attached to one surface (upper surface in the unfolded state) of base 21 on the tip end side of first-stage side rail 20A. Friction portion 51A generates a frictional resistance with one surface (lower surface in the unfolded state) of base 21 of second-stage side rail 20B. The friction part 52A is attached to one surface 22a (upper surface in the unfolded state) of the extension part 22 on the tip end side of the first-stage side rail 20A. The friction part 52A generates a frictional resistance with one surface (the lower surface in the unfolded state) of the base 21 of the second-stage side rail 20B. The friction portion 53A is attached to one surface 22a (upper surface in the unfolded state) of the extending portion 22 on the tip end side of the first-stage side rail 20A. The friction portion 53A generates a frictional resistance with the main body portion 31 of the rotating body 30A. The friction portion 54A is attached to the inner side surface 23a in the vehicle width direction of the standing portion 23 on the tip end side of the first-stage side rail 20A. The friction portion 54A generates a frictional resistance with the main body 31 of the rotating body 30A.

  The friction part 51B is attached to one surface (upper surface in the unfolded state) of the base 21 on the distal end side of the second-stage side rail 20B. The friction portion 51B generates a frictional resistance with one surface (the lower surface in the unfolded state) of the base portion 21 of the third-stage side rail 20C. The friction part 52B is attached to one surface 22a (upper surface in the unfolded state) of the extension part 22 on the tip end side of the second-stage side rail 20B. The friction part 52B generates a frictional resistance with one surface (the lower surface in the unfolded state) of the base 21 of the third-stage side rail 20C. The friction portion 53B is attached to one surface 22a (upper surface in the unfolded state) of the extension portion 22 on the tip end side of the second-stage side rail 20B. The friction part 53B generates a frictional resistance with the main body part 31 of the rotating body 30B. The friction portion 54B is attached to the vehicle width direction inner side surface 23a of the standing portion 23 on the tip end side of the second-stage side rail 20B. The friction part 54B generates a frictional resistance with the main body part 31 of the rotating body 30B.

<Weight part>
As shown in FIG. 1, the vehicle slope 1 includes weight portions 60B and 60C. The weight portion 60B is attached to one surface (the lower surface in the unfolded state) of the tip portion of the second-stage plate portion 10B and / or the side rail 20B. The weight portion 60C is attached to one surface (the lower surface in the unfolded state) of the tip portion of the third-stage plate portion 10C and / or the side rail 20C.

<Operation example>
When the user uses the vehicle slope 1, the user rotates the vehicle slope 1 in a state where the plate bodies 10 </ b> A to 10 </ b> C are superimposed on each other to the outside of the vehicle. Subsequently, the user pulls the plate body 10C toward the distal end side in a state where the distal end portions of the plate bodies 10A to 10C are positioned below the base end portions of the plate bodies 10A to 10C, thereby moving the plate body 10C. The plate body 10B is pulled out from the plate body 10A while being pulled out from the plate body 10B.

  Here, the rotating body 30B rotates in a state in which the main body portion 31 is in contact with the surfaces 21a and 22c of the third-stage side rail 20C, thereby pulling out the third-stage plate body 10C and the side rail 20C. To help move. Similarly, the rotating body 30A rotates in a state in which the main body portion 31 is in contact with the surfaces 21a and 22c of the second-stage side rail 20B, so that the second-stage plate body 10B and the side rail 20B are pulled out. To help move.

  Further, the weight portion 60C promotes the movement of the third-stage plate 10C and the side rail 20C in the pull-out direction, and reduces the operation load on the user. Similarly, the weight portion 60B promotes the movement of the second-stage plate body 10B and the side rail 20B in the pull-out direction, and reduces the operation load on the user.

  On the other hand, the third-stage side rail 20C and / or the rotating body 30B slide relative to the friction portions 51B to 54B. That is, the friction portions 51B to 54B generate frictional resistance with the third-stage side rail 20C and / or the rotating body 30B, thereby allowing the user due to the weight of the third-stage plate body 10C and the side rail 20C to be increased. Unintended movement can be suppressed. Similarly, the second-stage side rail 20B and / or the rotating body 30A slide relative to the friction portions 51A to 54A. That is, the friction parts 51A to 54A generate a frictional resistance between the second-stage side rail 20B and / or the rotating body 30A, so that the user due to the own weight of the second-stage plate body 10B and the side rail 20B. Unintended movement can be suppressed.

<Arrangement example of rotating body>
Subsequently, an example of arrangement of the rotating body 30 will be described by taking as an example a case where the rotating body 30 is arranged between the side rail 20A and the side rail 20B. The following description is the same for the rotating body 30B disposed between the side rails 20B and 20C. In the example shown in FIGS. 3A and 3B, the plurality of rotating bodies 30 are attached to the side rail 20A within the range of the lap allowance between the side rail 20A and the side rail 20B in the unfolded state. That is, the plurality of rotating bodies 30 are arranged in the sliding direction of the side rail 20B on the distal end side of the side rail 20A.

  In the example shown in FIGS. 4A and 4B, the plurality of rotating bodies 30 are attached to the side rail 20B within the range of the lap allowance between the side rail 20A and the side rail 20B in the unfolded state. That is, the plurality of rotating bodies 30 are arranged in the sliding direction of the side rail 20B on the base end side of the side rail 20B. In this case, it is preferable that the side rails 20A and 20B have a vertically inverted shape, and the side rail 20A is disposed above the side rail 20B.

  In the example shown in FIGS. 5A and 5B, a part of the plurality of rotating bodies 30 is attached to the side rail 20A within the range of the lap margin between the side rail 20A and the side rail 20B in the unfolded state. . Moreover, the other part of the some rotary body 30 is attached to the side rail 20B within the range of the lap | wrap margin of the side rail 20A and the side rail 20B in an unfolded state. That is, some of the plurality of rotating bodies 30 are arranged in the sliding direction of the side rail 20B on the tip end side of the side rail 20A. Moreover, the other part of the some rotary body 30 is arranged in the slide direction of the side rail 20B in the base end part side of the side rail 20B.

<Example of shape of rotating body>
Next, an example of the shape of the rotating body 30 will be described taking as an example a case where the rotating body 30 is disposed between the side rail 20A and the side rail 20B. The following description is the same for the rotating body 30B disposed between the side rails 20B and 20C. In FIGS. 6 and 7, the friction bodies 52A, 53A, and 54A are omitted. As shown in FIG. 6A, the main body 31 of the rotating body 30 may have a spherical shape.

  As shown in FIG. 6B, the main body 31 of the rotating body 30 has a spherical shape and has a hollow portion 31 a in which a portion that does not come into contact with the side rail 20 and / or the friction portion 40 is thinned. It may be a configuration. In this case, a lower moment of the rotating body 30 can be realized as compared with the case where the main body 31 is not thinned.

  As shown in FIG.7 (c), the main-body part 31 of the rotary body 30 may be the structure which exhibits the ellipsoidal shape which makes a major axis direction the rotation axis. In this case, as compared with the case where the main body 31 has a spherical shape, the rotating body 30 and the vehicle slope 1 can be reduced in the width direction.

  As shown in FIG. 7D, the main body 31 of the rotating body 30 has an elliptical spherical shape with the major axis direction as the rotation axis, and a portion that does not come into contact with the side rail 20 and / or the frictional portion 40 is flesh. The structure which has the extracted meat | fleshing part 31a may be sufficient. In this case, a lower moment of the rotating body 30 can be realized as compared with the case where the main body 31 is not thinned.

A slope 1 for a vehicle according to an embodiment of the present invention includes two or more plate bodies 10 that are slidable relative to each other, a side rail 20 provided at an end in the width direction of the plate body 10, A slide support mechanism (rotating body 30 and taper rollers 40A, 40B) that supports relative sliding movement between the side rail 20 and the other side rail 20 adjacent thereto is provided.
Accordingly, the vehicle slope 1 can reduce an operation load when the two or more plate bodies 10 are pulled out from each other by the slide support mechanism between the pair of adjacent side rails 20 and 20. That is, the vehicle slope 1 can favorably support the operation (deployment operation) of the vehicle slope 1 by the user.

Further, the vehicle slope 1 is configured such that the slide support mechanism is pivotally supported with respect to the one side rail 20, and the other side rail 20 adjacent to the one side rail 20. And the rotating shaft of the rotating body 30 is provided with one of the side rails 20 as the other side rail 20 overlaps with the one side rail 20. The rotating body 30 is in contact with the other side rails 20 inward in the width direction of the plate body 10 with respect to the rotating shaft. Features.
Therefore, the vehicular slope 1 can be downsized in the width direction of the vehicular slope 1 by configuring the slide support mechanism with the rotating body 30.
Moreover, since the rotation axis of the rotating body 30 is inclined with respect to the width direction of the plate body 10, the vehicle slope 1 suitably reduces the operation load when pulling out the plate bodies 10 having two or more stages. be able to. That is, the vehicle slope 1 can favorably support the user's operation of deploying the vehicle slope 1.

Further, the vehicle slope 1 is characterized in that the rotating body 30 comes into contact with different two surfaces 21 a and 22 c of the other side rail 20.
Therefore, the vehicle slope 1 more suitably reduces the operation load when the two or more plate bodies 10 are pulled out from each other as compared with the case where the rotating body 30 contacts only one surface of the other side rail 20. be able to. That is, the vehicle slope 1 can more suitably support the user's operation of deploying the vehicle slope 1.

In addition, the vehicle slope 1 is configured to be frictional against the adjacent two-stage plate 10, the side rail 20, or the slide support mechanism when the adjacent two-stage plate 10 is relatively slid. The friction part 50 which produces resistance is provided.
Therefore, the slope 1 for vehicles can suppress the sliding movement to the unintentional pull-out direction by the dead weight of the board 10 and the side rail 20 by providing the friction part 50. FIG.

The vehicle slope 1 includes the plate body 10 and the side rail other than the plate body 10 and the side rail 20 that are attached to the vehicle body 2 among the plate body 10 and the side rail 20 of two or more stages. The weights 60B and 60C are provided on any one of the plate 20, and the weights 60B and 60C are the plate bodies in a state where the plate bodies 10 having two or more stages are laid between the vehicle body 2 and the outside of the vehicle. 10 and the side rail 20 are provided on the lower surface.
Therefore, the vehicle slope 1 can favorably support the sliding movement of the plate body 10 and the side rail 20 in the pulling direction without the weight portions 60B and 60C interfering with getting on and off of the object.

  As mentioned above, although embodiment of this invention was described, this invention can be suitably changed in the range which does not deviate from the summary. For example, the friction part 50 and the weight parts 60B and 60C can be omitted as appropriate. Further, the attachment part of the friction part 50 and the friction generation target are not limited to those described above. For example, the friction part 50 attached to one plate 10 generates friction with another adjacent plate 10. It may be configured to.

DESCRIPTION OF SYMBOLS 1 Vehicle slope 2 Car body 3 Rear opening 4 Floor wall part 5 Back door 10, 10A, 10B, 10C Plate body 20, 20A, 20B, 20C Side rail 30, 30A, 30B Rotating body (slide support mechanism)
40A, 40B Taper roller (slide support mechanism)
50, 51A, 51B, 52A, 52B, 53A, 53B, 54A, 54B Friction part 60B, 60C Weight part

Claims (5)

Two or more plates that can slide relative to each other;
A side rail provided at an end in the width direction of the plate,
A slide support mechanism that supports relative slide movement between one side rail and another adjacent side rail;
A vehicle slope characterized by comprising: The slide support mechanism is
A rotating body that is pivotally supported with respect to one of the side rails and that contacts with the other side rail adjacent to the one side rail,
The rotating shaft of the rotating body is an axis inclined with respect to one side rail so as to be separated from the plate body on which one of the side rails is provided in a direction in which the other side rail overlaps. Yes,
2. The vehicle slope according to claim 1, wherein the rotating body is in contact with the other side rail inward in the width direction of the plate body with respect to the rotating shaft. The vehicle slope according to claim 2, wherein the rotating body is in contact with two different surfaces of the other side rail. When the adjacent two-stage plate body is relatively slid, a friction part that generates a frictional resistance with respect to the adjacent two-stage plate body, the side rail, or the slide support mechanism is provided. The vehicle slope structure according to any one of claims 1 to 3. Of the two or more stages of the plate body and the side rail, the plate body attached to the vehicle body and a weight portion provided on any of the plate body and the side rail other than the side rail,
The weight portion is provided on a lower surface of either the plate body or the side rail in a state in which the plate bodies of two or more steps are installed between the vehicle body and the outside of the vehicle. The vehicle slope according to any one of claims 1 to 4.

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