JP3791261B2 - Slope getting on and off devices such as buses - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a slope boarding / alighting device that is convenient for getting on and off a wheelchair user in a bus, particularly an ultra-low floor bus.
[0002]
[Prior art]
Conventionally, in order to make it safe and easy for a wheelchair user to get on and off, an ultra-low floor bus provided with a slope boarding / alighting device has already been proposed in Utility Model Registration Publication No. 2558201. (Hereinafter, the device described in this gazette will be referred to as the previously proposed slope getting-on / off device.)
[0003]
In the above-mentioned proposed slope getting-on / off device, the slope plate is pulled out of the vehicle body from the storage room provided below the entrance / exit floor portion and is slanted between the slope and the road surface. Since the end of the plate on the vehicle body side is supported by the outer opening end of the storage chamber via a rolling roller, the rolling roller pushes the wheelchair, its user, and possibly the wheelchair. Since a considerable portion of the load of the caregiver or the like is carried, there is a problem that it is easily damaged early and the maintenance cost becomes high. Further, in the proposed slope boarding / alighting device, when the slope plate is pulled out from the storage chamber and passed over the road surface, stopper means for prohibiting the displacement of the slope plate to the outside of the vehicle body is provided. There is no means to prohibit displacement to the side, so if you push the wheelchair when riding, the road surface condition or when the force acting on the slope plate via the wheelchair when riding is large The slope plate may cause unexpected displacement on the vehicle body side, which is not preferable for safety.
Further, in the proposed slope boarding / alighting device, as shown in FIGS. 3 and 4 of the accompanying drawings of the specification, several pairs of rollers 34 and 44 are provided between the storage chamber and the slope plate. Moreover, since the pair of sub-frames 4 are provided near the vehicle body outer opening end of the storage chamber, there is a problem that the structure is extremely complicated and the manufacturing cost is remarkably increased.
[0004]
[Problems to be solved by the invention]
The present invention improves various problems in the above-described proposed slope boarding / alighting device, and ensures easy movement of the slope plate when the slope plate is stored in the storage chamber and pulled out from the storage chamber to the use position. The rolling roller provided in the wheelchair is configured so that the load of the wheelchair and its user, and in some cases the caregiver, does not substantially act when the slope plate is used. To reduce the maintenance cost, and when using the slope plate, both the outward and inward displacement of the vehicle is prohibited to improve the safety when getting on and off the wheelchair, and the required number of rolling rollers is small, An object of the present invention is to provide this kind of slope boarding / alighting device that is extremely simple in structure and does not require a subframe or the like, is lightweight and inexpensive, and is reliable in operation.
[0005]
[Means for Solving the Problems]
To achieve the above object, the present invention includes a storage compartment provided on the lower floor portion of the entrance of the bus or the like vehicle, at the time when not in use is stored in the storing chamber using the rolling roller from the storage chamber through drawn to the outside of the vehicle and a slope plate passed sieved obliquely between the outer open end and the road surface of the storage compartment, the outer opening of the storage compartment on the end lower side of the vehicle at the time of use of the slope plate A support member for supporting a load when the rolling roller is lifted and separated from the rail together with the vehicle side end portion of the slope plate according to the inclination of the slope plate in contact with the bottom plate of the end; and the storage chamber near the outer open end of a bus or the like, characterized in that the engagement projection engaged with the slope plate provided on the slope plate in use equipped with a stopper for fixing relates both the housing direction and the pull-out direction It proposes a slope apparatus for elevating.
In this invention, it is preferable that the cross-sectional shape of the part which contact | abuts to the said storage chamber bottom plate of the said supporting member at the time of use of the said slope plate is formed by the curved surface.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a preferred embodiment of the present invention will be described with reference to FIGS.
First, FIG.1 and FIG.2 shows the schematic plan view and side view in the use condition of the slope boarding / alighting apparatus 10 provided in the desired boarding / exiting gate of the ultra-low floor bus. The slope boarding / alighting device 10 has a rectangular plane shape provided on the lower side of a floor portion of a desired bus boarding / alighting gate (not shown, but in the following description, it is assumed that the boarding / alighting port is provided on the side of the vehicle body) And a thin box-shaped storage chamber 12 that is housed in the storage chamber 12 when not in use, and is drawn out of the vehicle as shown in the drawing when used, and is edged to the opening end of the storage chamber 12 outside the vehicle. And a slope plate 14 that is supported diagonally and supported on the road surface of the boarding area.
[0007]
The storage chamber 12 has a rectangular bottom plate 18 to which a necessary reinforcing member 16 (only a part of which is shown in FIG. 2) is fixed by spot welding or the like, and a side edge of the bottom plate 18 inside the vehicle. And a side wall 20 disposed in the vehicle front-rear direction, and a top plate 22 fixed to the upper end of the side wall 20 so as to cover a part or all of the bottom plate 18 with an interval in the vertical direction and forming a floor near the entrance. It is composed of Near the end of the top plate 22 on the vehicle outer side, a movable top plate 26 supported by a plurality of hinges 24 so as to be swingable is provided.
[0008]
Inside the storage chamber 12, a pair of rails 28 is disposed along the side wall 20 in the vehicle front-rear direction, and the upper side surface of each rail 28 forms a rolling surface of a rolling roller 30 described later. A receiving member 34 is provided along the side wall 20 of the storage chamber 12 inside the vehicle, preferably with a rubber cushion 32 that contacts the inner edge of the vehicle when the slope plate 14 is stored. Further, an openable and closable cover plate 38 having a rectangular shape is pivotally attached to the opening end of the storage chamber 12 outside the vehicle, and a pair of details which will be described later is adjacent to the side wall 20 near the opening end. A stopper 40 is provided.
[0009]
A locking device that holds the slope plate 14 in a state of being housed in the storage chamber 12 in the front-rear direction central portion in the vicinity of the opening end of the storage chamber 12 outside the vehicle or allows the slope plate 14 to be pulled out to the outside of the vehicle. 42 is provided. On the other hand, the slope plate 14 having a rectangular planar shape as a whole is provided with a plurality of reinforcing members 46 fixed to the bottom side of the bottom surface of the bottom plate 44 by spot welding or the like. (It is shown only in FIGS. 2 and 3 and is not shown in the other drawings to avoid excessive congestion.) Further, the side edge of the bottom plate 44 in the vehicle front-rear direction is further folded upward after being bent upward. A flange 48 formed by bending in the horizontal direction is formed, and a lower surface of the flange 48 forms a rail that cooperates with a rolling roller 50 rotatably supported by upper portions of the pair of stoppers 40. Further, a hook-like support member 52 having a cross-sectional shape of Λ is fixed to the lower surface of the inner edge of the bottom plate 44 by spot welding or the like, and the support member 52 is well shown in FIG. In addition, the intermediate portion in the vehicle front-rear direction facing the lock device 42 is notched. The ridge edge portion 54 at the lower end of the support member 52 is formed to form a curved surface, for example, a part of a cylindrical surface.
[0010]
On both left and right ends of the inner edge of the slope plate 14 as shown in FIG. 8, press-molded mounting brackets 56 that rotatably support the rolling roller 30 are bolts, rivets. The engaging protrusion 60 formed of a pin extending in the vehicle front-rear direction is fixed to the hanging flange portion 58 that is fixed by the above-described method and protrudes downward from the mounting bracket 56 by welding or the like. On the other hand, the stopper 40 is provided with an engaging groove 62 into which the engaging protrusion 60 can be freely inserted and removed, and the engaging protrusion 60 engages with a groove top 64 extending above the engaging groove 62. When the vehicle is on, the slope plate 14 cannot be displaced in either the inward or outward direction of the vehicle.
[0011]
The structure of the locking device 42 will be described with reference to FIGS. The locking device 42 is supported on the bottom plate 18 of the storage chamber 12 with a bearing member 66 disposed at an interval in the vehicle width direction, and supported by the bearing member 66 so as to freely rotate around its own axis. A leg portion 68 between the bearing member 66 and an L-shaped member 72 made of a round bar comprising a leg portion 68 and a handle portion 70 that is bent at a right angle to an end portion of the leg portion 68 outside the vehicle. And a spring 76 that is externally fitted to a portion of the leg portion 68 that protrudes inward in the vehicle and elastically biases the L-shaped member 72 toward the inward direction of the vehicle. Yes. As shown in FIG. 1, the lock plate 74 can enter the lock hole 80 provided at the outer edge of the bottom plate 44 of the slope plate 14 by the rotation of the leg portion 68. Further, as well shown in FIG. 4, there is provided a slit 82 through which the bottom plate 44 adjacent to the side edge of the lock hole 80 on the vehicle inner side is inserted and removed.
[0012]
In addition, rolling rollers 86 are rotatably mounted on brackets 84 fixed to the lower sides of both ends of the movable top plate 26 in the longitudinal direction of the vehicle, and both ends of the slope plate 14 near the outside of the vehicle and in the longitudinal direction of the vehicle. Near the edge, a short rail 88 on which the rolling roller 86 rolls is provided. In addition, a crank-shaped operation handle 90 that a vehicle occupant holds when the slope plate 14 is pulled out or stowed by moving the slope plate 14 in the vehicle width direction is rotatably mounted near the outer edge of the slope plate 14. Has been. Further, the lid plate 38 includes a friction contact member 92 and a slope plate that elastically contact and temporarily lock the lower surface of the end portion of the top plate 22 when the opening end of the storage chamber 12 outside the vehicle is closed. As shown in FIG. 11, a normal latch 94 for securely fixing the cover plate 38 to the vehicle body side member, for example, the storage chamber 12, when the cover 14 is not in use is provided in the vehicle front-rear direction. It is provided at both ends.
[0013]
When the slope plate 14 is not used, such as when traveling on an ultra-low floor bus, the rolling roller 30 provided at the vehicle inner end of the slope plate 14 rides on the vehicle inner end of the rail 28 of the storage chamber 12. In addition, the rolling roller 50 on the stopper 40 is in contact with the lower surface of a flange or rail 48 provided along the edge of the slope plate 14 in the longitudinal direction of the vehicle to support the vehicle outer end of the slope plate 14. In the storage chamber 12, it is stored in a substantially horizontal posture. At this time, the L-shaped member 72 of the locking device 42 has its handle 70 rotated to an upright position as shown by a solid line in FIG. 4, and the lock plate 74 fixed to the leg 68 is a slope plate. 14, the slit 82 is engaged with the bottom plate 44 that forms the inner periphery of the lock hole 80 by the spring force of the spring 76. On the other hand, the vehicle inner edge of the slope plate 14 is in contact with a rubber cushion 32 of a receiving member 34 provided in the storage chamber 12. Further, the opening at the vehicle outer end of the storage chamber 12 is closed by a cover plate 38 and is locked by a latch 94.
[0014]
Accordingly, the slope plate 14 is reliably accommodated in the storage chamber 12 during the traveling of the ultra low floor bus, and unpleasant noise is not generated due to the shaking or acceleration / deceleration of the traveling vehicle. Now, when the vehicle is stopped and the slope plate 14 is pulled out to the use position and the wheelchair user and the caregiver get on and off, the lid plate 38 at the opening end of the storage chamber 12 is first shown in FIGS. Opened as shown. Next, when the handle portion 70 of the L-shaped member 72 is pulled outward of the vehicle as shown by a one-dot chain line in FIG. 4, the spring 66 is compressed and the lock plate 74 moves rightward in the drawing. Then, since the bottom plate 44 at the periphery of the lock hole 80 is detached from the slit 82, the lock plate 74 is rotated to escape from the lock hole 80 by rotating the handle portion 70 by approximately 90 degrees. Therefore, the operation handle 90 of the slope plate 14 is grasped and pulled toward the outside of the vehicle in the horizontal direction.
[0015]
As shown in FIG. 5, since the rolling roller 86 disposed on the lower side of the movable top plate 26 is in contact with the rail 88, the movable top plate 26 is stored in the storage chamber when the slope plate 14 is initially pulled out. Twelve top plates 22 are substantially coplanar. Further, when the slope plate 14 is pulled out and the vehicle inner end edge is displaced to the vicinity of the outer opening end of the storage chamber 12, the movable top plate 26 is rotated as shown in FIG. The edge contacts the bottom plate 44 of the slope plate 14.
FIG. 8 shows a relative relationship between the slope plate 14 and the storage chamber 12 in the vicinity of the front and rear ends of the vehicle immediately before the slope plate 14 reaches the drawing position of FIG. The engaging protrusion 60 fixed to the hanging flange portion 58 of the mounting bracket 56 is separated from the stopper 40. Further, when the slope plate 14 is pulled out to the pulling position in FIG. 6, the engaging protrusion 60 enters the engaging groove 62 of the stopper 40 as shown in FIG. 9.
[0016]
The position in FIG. 9 is the substantially maximum drawing position of the slope plate 14, and when the operation handle 90 is lowered to the road surface side at this position, the slope plate 14 comes into contact with the road surface G at the boarding place, as shown in FIG. As well shown in FIG. 2, a ramp is formed on which a wheelchair, its user, and possibly a caregiver get on and off. At this time, as shown in FIG. 10, the slope plate 14 is supported by the bottom plate 18 of the storage chamber 12 through the support member 52 at the end on the vehicle side, and operates when the slope plate 14 is stored and pulled out. Since the load of a wheelchair or the like does not act on the moving rollers 30 and 50, there is an advantage that the durability of the rolling rollers 30 and 50 can be improved and the maintenance cost can be reduced. Since the number of the moving rollers per se is extremely small and there is no sub-frame, there is an advantage that the structure is simple and therefore can be manufactured at low cost.
[0017]
Further, as shown in FIG. 10, when the slope plate 14 is slanted over at the use position, the engaging projection 60 engages with the groove top portion 64 of the stopper 40 where the engaging groove 62 rises. Therefore, during use of the slope plate 14, the slope plate 14 does not cause an unexpected displacement to the outside of the vehicle or on the vehicle side, and there is an advantage of high safety. Further, since the ridge edge portion 54 in contact with the vehicle side member, in the illustrated case, which contacts the bottom plate 18 of the storage chamber 12 is formed as a curved surface, for example, a part of a cylindrical surface, the slope plate 14 is stretched. Even if the height position of the road surface G of the boarding / alighting platform varies depending on the location and the inclination angle of the slope plate 14 slightly changes, there is an advantage that it can be easily and safely handled.
FIG. 7 shows a relative position corresponding to the use position of the slope plate 14 shown in FIGS. 2 and 10, and the movable top plate 26 is then positioned on the substantially extended surface of the bottom plate 44 of the slope plate 14. When getting on and off a wheelchair or the like, a safe passage with few steps is formed. After the slope plate 14 is used, the slope plate 14 may be stored in the storage chamber 12 and fixed by the lock device 42 in the reverse procedure to the above, and the lid plate 38 may be closed.
[0018]
It should be noted that the present invention is not limited to the above-described embodiment, and can be implemented with appropriate modifications and changes within the scope of the claims, and the present invention is a wheelchair accessible van other than an ultra-low floor bus. It can be widely applied to type vehicles.
[0019]
【The invention's effect】
As on ordination, slope elevating device such as a bus according to the present invention, a storage compartment provided in the floor portion under side of the door opening of a bus such as a vehicle, at the time when not in use is stored in the storage chamber using the and a slope plate passed sieved obliquely between the outer open end of the storage chamber is drawn to the outside of the vehicle through the rolling roller from the storage chamber and the road surface, below the end side of the vehicle at the time of use of the slope plate A support member that bears a load when the rolling roller is lifted away from the rail together with the vehicle side end portion of the slope plate in contact with the bottom plate of the outer opening end of the storage chamber according to the inclination of the slope plate the provided with, in the vicinity of the outer opening end of the storage chamber, the engaging projection engaged with the slope plate provided on the slope plate in use equipped with a stopper for fixing relates both the housing direction and the pull-out direction this The features, Rutotomoni to ensure the durability of the rolling roller to reduce the maintenance costs, and prohibits the displacement both to the outside of the vehicle and inward in use of the slope plate to improve the safety of the wheelchair boarding In addition, there is an advantage that the structure is simple, the manufacturing cost is low, and the weight is low.
In the present invention, by abutting portions of the cross-sectional shape in the storage compartment bottom plate of the support member during use of the slope plate is formed by a curved surface, and easy to change the height of the road surface passing over the slope plate There is an advantage that it is possible to secure the safe getting on and off such as a wheelchair by adapting properly.
[Brief description of the drawings]
FIG. 1 is a schematic plan view showing a preferred embodiment of a slope boarding / alighting device according to the present invention in a use state in which a slope plate 14 is pulled out.
FIG. 2 is a schematic side view of the slope boarding / alighting device shown in FIG.
FIG. 3 is a side view showing an extracted slope plate 14 in FIG. 1;
4 is a partially enlarged cross-sectional view of the vehicle front-rear direction center portion and the vicinity of the vehicle outer end when the slope boarding / alighting device shown in FIG. 1 is not used; FIG.
FIG. 5 is a partially enlarged cross-sectional view of the vehicle front-rear direction end portion and the vicinity of the outer end of the slope boarding / alighting device shown in FIG.
6 is a partially enlarged cross-sectional view of the vehicle front-rear direction central portion and the vicinity of the vehicle outer end at the end of the slope board 14 withdrawal of the slope boarding / alighting device shown in FIG. 1;
7 is a partially enlarged cross-sectional view of the same portion showing a state in which the vehicle outer end of the slope plate 14 is lowered from the state shown in FIG.
FIG. 8 is a partial cross-sectional view of the vehicle front-rear direction end immediately before the end of drawing out of the slope plate 14;
9 is a partial cross-sectional view of the same portion as FIG. 8 at the end of drawing out the slope plate 14. FIG.
FIG. 10 is a partially enlarged cross-sectional view of the same portion showing an aspect in which the vehicle outer end of the slope plate 14 is lowered from the state shown in FIG.
11 is a partial side view as seen from the direction of arrow XI in FIG. 8. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Slope boarding / alighting device, 12 ... Storage chamber, 14 ... Slope plate, 18 ... Bottom plate of storage chamber 12, 22 ... Top plate of storage chamber, 26 ... Movable top plate, 28 ... Rail, 30 ... Rolling roller, 38 ... Cover plate , 40 ... stopper, 42 ... locking device, 44 ... bottom plate of the slope plate 14, 48 ... flange, 50 ... rolling roller, 52 ... support member, 60 ... engagement protrusion, 62 ... engagement groove, 80 ... lock hole.

Claims (2)

A storing chamber provided in the floor portion under side of the door opening of a bus such as a vehicle, when not in use is in use housed in the storage chamber is drawn to the outside of the vehicle through the rolling roller from the storage chamber of said storage compartment A slope plate extending obliquely between the outer opening end and the road surface, and in contact with the bottom plate of the outer opening end of the storage chamber below the end portion on the vehicle side when the slope plate is used . together with the vehicle side end portion of the slope plate according to the inclination provided with a support member for carrying the load by away from the rolling roller is lifted rails, near the outer open end of the storage chamber, when using the slope slope elevating device such as a bus, characterized in that the engagement projection engaged with the slope plate provided in a plate equipped with a stopper for fixing relates both the housing direction and the pull-out direction. Slope elevating device such as a bus of claim 1, wherein the abutting portions of the cross-sectional shape in the storage compartment bottom plate of the support member during use of the slope plate is formed by a curved surface.

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