JP2001080419A - Device for getting on and off slope for bus or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure the durability of a rolling roller and reduce a maintenance cost by engaging with an engaging projection provided on a slope plate at the use time and providing a stopper for fixing the slope plate to both storing direction and pulling out direction near the outside opening end of a storing chamber. SOLUTION: When a slope plate 14 is bridged slantly at the use position, as an engaging projection 60 is engaged with the erected groove top 64 of the engaging groove 62 of a stopper 40, during the use of the slope plate 14, the slope plate 14 does not produce the unexpected displacement on the outside of a vehicle or vehicle side and has a merrit with a high safety. Further, as the vehicular member contacted by a support member 52 and a ridgeedge portion 54 contacted to the bottom plate 18 of the storing chamber 12 are formed as a curved surface, for example one part of a cylinder surface, even if the height position of the road surface of a getting on/off place on which the slope plate 14 is bridged is changed by a place and the slant angle of the slope plate 14 is somewhat changed, there is some merrit to be coped with easily and safely.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slope getting-on / off device convenient for a wheelchair user getting on and off a bus, particularly an ultra-low floor bus.

[0002]

2. Description of the Related Art Conventionally, an ultra-low-floor bus provided with a slope getting on / off device has been already proposed in Utility Model Registration No. 2582601 in order to allow a wheelchair user to get on and off safely and easily. (Hereinafter, the device described in this publication is referred to as a previously proposed slope getting on / off device.)

[0003] In the above proposed slope getting on and off device, the slope plate is pulled out of the storage room provided below the floor portion of the getting on and off entrance to the outside of the vehicle body and obliquely crosses the road surface, so that the wheelchair user gets on and off. In addition, since the end of the slope plate on the vehicle body side is supported by the outer opening end of the storage chamber via the rolling roller, the rolling roller is a wheelchair, its user, and in some cases, Since a considerable part of the load of a caregiver or the like pushing a wheelchair is to be carried, there is a problem that it is easily damaged at an early stage and maintenance cost is increased. Further, in the proposed slope getting-on / off device, when the slope plate is pulled out of the storage room and crossed over the road surface, stopper means for inhibiting 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 when pushing a wheelchair when riding, when the road surface condition, when the force toward the vehicle body acting on the slope plate via the wheelchair through the wheelchair when riding is large, etc. However, there is a possibility that the slope plate may cause unexpected displacement on the vehicle body side, which is not preferable for safety. Further, in the above-described proposed slope getting on / off device, as shown in FIGS. 3 and 4 of the accompanying drawings, several pairs of rollers 34 and 44 are provided between the storage room and the slope plate. Further, since a pair of sub-frames 4 are provided near the outer opening end of the vehicle body in the storage room, the structure is extremely complicated, and there is a problem that the manufacturing cost is significantly increased.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve various problems in the above-described proposed slope getting on and off device,
Rolling rollers provided to ensure smooth movement of the slope plate when the slope plate is stored in the storage room and pulled out of the storage room to the use position include a wheelchair and a wheelchair when the slope plate is used. By adopting a configuration in which the load of the user and, in some cases, the caregiver does not substantially act, the durability of the rolling rollers is ensured and the maintenance cost is reduced. Both inward displacement is prohibited to improve safety when getting in and out of a wheelchair.Furthermore, the required number of rolling rollers is small, lightweight and inexpensive with an extremely simple structure that does not require a subframe, etc. It is an object of the present invention to provide a reliable climbing / falling device of this kind.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a storage room provided below a floor portion of an entrance of a vehicle such as a bus, and a storage room provided in the storage room when not in use. A slope plate that is sometimes drawn out of the storage room via rolling rollers and is obliquely bridged between the outer opening end of the storage room and the road surface, and a lower portion of the slope side of the vehicle when the slope plate is used. A supporting member that bears a load without contacting the bottom plate of the outer opening end of the storage chamber and bears the load on the rolling rollers, and a slope plate for use near the outer opening end of the storage chamber. And a stopper which engages with the engaging projection provided on the slope plate and fixes the slope plate in both the storage direction and the pull-out direction. In the present invention, it is preferable that a cross-sectional shape of a portion of the support member provided below the end of the slope plate that comes into contact with the storage chamber bottom plate is formed by a curved surface.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to FIGS. First, FIG.
2 and FIG. 2 show a schematic plan view and a side view in a use state of a slope getting-on / off device 10 provided at a desired entrance of a very low floor bus. The slope entrance / exit device 10 has a rectangular plan shape provided below a floor portion of a desired bus entrance / exit (not shown; however, it is assumed in the following description that the entrance / exit is provided on the side of the vehicle body). And a thin box-shaped storage chamber 12 which is housed in the storage chamber 12 when not in use and is drawn out of the vehicle as shown in the drawing when in use, and one end edge is formed at an open end of the storage chamber 12 outside the vehicle. And a slope plate 14 which is supported obliquely with the other end supported on the road surface of the landing.

The storage chamber 12 has a rectangular bottom plate 18 to which necessary reinforcing members 16 (only a part of which is shown in FIG. 2) are fixed by spot welding or the like.
Side wall 2 disposed in the vehicle inner side edge and the vehicle front-rear direction
The top plate 22 is fixed to the upper end of the side wall 20 so as to cover a part or the entirety of the bottom plate 18 with a vertical interval, and forms a floor near the entrance. A movable top plate 26 that is swingably supported by a plurality of hinges 24 is provided near an end of the top plate 22 outside the vehicle.

A pair of rails 28 are arranged inside the storage chamber 12 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. . Further, along the side wall 20 inside the vehicle of the storage room 12, a receiving member 34 having a rubber cushion 32, which is preferably in contact with the edge inside the vehicle when the slope plate 14 is stored, is provided. Further, an openable and closable cover plate 38 having a rectangular shape is hinged to an opening end of the storage room 12 on the vehicle outside side by a hinge 36. A stopper 40 is provided.

A slope plate 14 is held in the storage room 12 at the central portion in the front-rear direction near the opening end of the storage room 12 outside the vehicle, or the slope plate 14 is allowed to be drawn out of the vehicle. A locking device 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 by spot welding or the like below the bottom surface of the bottom plate 44. (It is shown only in FIGS. 2 and 3 and is not shown in other drawings to avoid excessive congestion.) In addition, a side edge of the bottom plate 44 in the vehicle longitudinal direction is further bent after being bent upward. A flange 48 formed by being bent in the horizontal direction is formed, and a lower surface of the flange 48 is rotatably supported by upper portions of the pair of stoppers 40 so as to be rotatable.
Form rails that cooperate with. Further, a gutter-shaped support member 52 having a 断面 -shaped cross section is fixed to the lower surface of the inner edge of the bottom plate 44 in the vehicle by spot welding or the like, and the support member 52 is well shown in FIG. And the lock device 4
2 is notched at an intermediate portion in the vehicle front-rear direction opposite to 2. Also, a ridge 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.

At both left and right ends of the inner edge of the slope plate 14 on the vehicle, as shown in FIG. 8, press-fitted mounting brackets 56 for rotatably supporting the rolling rollers 30 are provided. An engaging projection 60 composed of a pin extending in the vehicle front-rear direction is fixed to a hanging flange portion 58 protruding downward from the mounting bracket 56 by welding or the like. On the other hand, the stopper 40 has
An engaging groove 62 into which the engaging protrusion 60 is freely inserted and removed is provided. When the engaging protrusion 60 is engaged with a groove top 64 extending above the engaging groove 62, the slope plate 14 The vehicle cannot be displaced in any direction inside or outside the vehicle.

The structure of the lock device 42 will be described with reference to FIGS. The lock device 42 is provided on the bottom plate 1 of the storage room 12.
8, a bearing member 66 disposed at intervals in the vehicle width direction;
A leg 68 supported by the bearing member 66 so as to be freely rotatable around its own axis, and a handle 70 bent at a right angle to an end of the leg 68 on the outside of the vehicle. An L-shaped member 72 made of a round bar, and a lock plate 74 fixed to the leg 68 between the bearing members 66;
The L-shaped member 72 is elastically urged toward the inside of the vehicle at all times. The lock plate 7
As shown in FIG. 1, the leg 4 can enter into a lock hole 80 provided at an outer edge portion of the bottom plate 44 of the slope plate 14 on the outside of the vehicle by rotation of the leg 68, and As shown in FIG. 4, the slit 82 into which the bottom plate 44 adjacent to the inner side edge of the lock hole 80 is inserted and removed.
Is provided.

Rolling rollers 86 are rotatably mounted on brackets 84 fixed below the movable top plate 26 near both ends in the vehicle longitudinal direction.
A short rail 88 on which the rolling roller 86 rolls is provided near the outside of the vehicle and near both ends in the vehicle front-rear direction. In addition, near the edge of the slope plate 14 outside the vehicle,
When the slope plate 14 is moved in the vehicle width direction to be pulled out or stored, a crank-shaped operating handle 90 for a vehicle occupant to hand is mounted rotatably. Further, the lid plate 38 is provided with a friction contact member 92 and a slope plate which elastically contact and temporarily lock the lower end of the end of the top plate 22 when the open end of the storage chamber 12 outside the vehicle is closed. A normal latch 94 for securely fixing the cover plate 38 to the vehicle body side member, for example, the storage compartment 12 when the cover plate 14 is not used, as shown in FIG. It is provided at both ends.

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 is mounted on the vehicle inner end of the rail 28 of the storage room 12. And the rolling roller 50 on the stopper 40 contacts the lower surface of a flange or rail 48 provided along the edge of the slope plate 14 in the vehicle longitudinal direction to support the vehicle outer end of the slope plate 14. By doing so, it is stored in the storage room 12 in a substantially horizontal posture. At this time,
The L-shaped member 72 of the lock device 42 has a handle 70 as shown in FIG.
Is rotated to the upright position as shown by the solid line in FIG.
The lock plate 74 fixed to the lock plate stands up in the lock hole 80 of the slope plate 14, and the slit 82 is engaged with the bottom plate 44 forming the inner peripheral edge of the lock hole 80 by the spring force of the spring 76. . On the other hand, the inner edge of the slope plate 14 is in contact with the rubber cushion 32 of the receiving member 34 provided in the storage room 12. Further, the storage room 12
The opening at the outside end of the vehicle is closed by a cover plate 38 and locked by a latch 94.

Therefore, during the operation of the ultra-low floor bus, the slope plate 1
4 is reliably accommodated in the storage room 12, and does not generate unpleasant noise due to shaking or acceleration / deceleration of the running vehicle. When the vehicle is stopped and the slope plate 14 is pulled out to the use position, and the wheelchair user and his / her caregiver get on and off, first, the occupant first puts the lid plate 38 on the open end of the storage room 12.
Are opened as shown in FIGS. Next, when the handle portion 70 of the L-shaped member 72 is pulled out of the vehicle as shown by a dashed line in FIG. 4, the spring 66 is compressed and the lock plate 74 moves rightward in the figure. Then, since the bottom plate 44 at the peripheral edge of the lock hole 80 is detached from the slit 82, the lock plate 74 is rotated and escapes from the lock hole 80 by rotating the handle 70 approximately 90 degrees. Then, the user grips the operation handle 90 of the slope plate 14 and pulls the same in the horizontal direction toward the outside of the vehicle.

In the initial stage of pulling out the slope plate 14, as shown in FIG. 5, the rolling roller 86 disposed below the movable top plate 26 is in contact with the rail 88. Are located on substantially the same plane as the top plate 22 of the storage room 12. Further, when the slope plate 14 is pulled out and the inner edge of the vehicle is displaced to the vicinity of the outer opening end of the storage room 12, the movable top plate 26 is rotated to its outer free end as shown in FIG. The edge is the bottom plate 44 of the slope plate 14
Touch FIG. 8 shows the slope plate 14 and the storage room 12 at a position immediately before the slope plate 14 reaches the drawing position in FIG.
In this case, the rolling roller 30 rides on the rail 28 and the engaging projection 60 fixed to the hanging flange 58 of the mounting bracket 56
0 away. Further, when the slope plate 14 is pulled out to the pull-out position in FIG. 6, the engagement protrusion 60 enters into the engagement groove 62 of the stopper 40 as shown in FIG.

The position shown in FIG. 9 is substantially the maximum withdrawal 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 is moved so that the outer end of the vehicle is on the road surface G at the getting on / off place. As shown in FIG. 2, a ramp is formed on which the wheelchair, its user, and possibly a caregiver get on and off. At this time, as shown in FIG.
The slope plate 14 has an end on the vehicle side supported by the bottom plate 18 of the storage room 12 via a support member 52, and a load such as a wheelchair acts on the rolling rollers 30 and 50 that operate when the slope plate 14 is stored and pulled out. The rolling rollers 30 and 50
Has the advantage of improving the durability and reducing the maintenance cost. Further, the number of rolling rollers itself is significantly smaller than that of the previously proposed slope elevating device, and the structure is simple because there is no sub-frame. Therefore, there is an advantage that it can be manufactured at low cost.

As shown in FIG. 10, when the slope plate 14 is obliquely extended in the use position, the engaging projections 60 are formed on the tops 64 of the engaging grooves 62 of the stopper 40. Since the slope plate 14 is engaged, the slope plate 14 does not cause an unexpected displacement to the outside of the vehicle or the vehicle side during use of the slope plate 14, thereby providing an advantage of high safety. Further, a vehicle-side member with which the support member 52 contacts,
In the case shown, a ridge portion 54 in contact with the bottom plate 18 of the storage room 12 is shown.
Is formed as a part of a curved surface, for example, a cylindrical surface, so that the height position of the road surface G of the platform on which the slope plate 14 is passed varies depending on the location, and even if the inclination angle of the slope plate 14 slightly changes, There is an advantage that it can be handled easily and safely.
FIG. 7 shows the slope plate 14 shown in FIG. 2 and FIG.
The movable top plate 26 is located on a substantially extended surface of the bottom plate 44 of the slope plate 14 at that time, so that a safe passage with a small step is formed when the vehicle gets in and out of a wheelchair or the like. Become. After the slope plate 14 is used, the slope plate 14 is stored in the storage chamber 12 in the completely opposite procedure, fixed by the lock device 42, and the lid plate 38 is closed.

It should be noted that the present invention is not limited to the above-described embodiment, but can be carried out with appropriate modifications and changes within the scope of the claims. It can be widely applied to possible van type vehicles and the like.

[0019]

As described above, the slope getting on / off device for a bus or the like according to the present invention is provided in a storage room provided below a floor portion of an entrance of a vehicle such as a bus, and in a storage room when not in use. A slope plate that is retracted and pulled out of the storage room through rolling rollers during use and that is obliquely bridged between the outer opening end of the storage room and a road surface when the slope plate is used; A support member is provided below the end of the storage chamber for supporting the load without contacting the bottom plate of the outer open end of the storage chamber and sharing the load with the rolling roller, and used near the outer open end of the storage chamber. A stopper that engages with an engagement projection provided on the slope plate to fix the slope plate in both the storage direction and the pull-out direction, and that the maintenance cost is maintained by ensuring the durability of the rolling roller. Along with reducing Prohibits the outside of the vehicle and the displacement both inwards during use of the slope plate has advantages capable of improving safety during wheelchair passenger, there is a further simple structure and manufacturing cost is inexpensive and lightweight advantages. In the present invention,
Since the cross-sectional shape of the portion of the support member provided below the end of the slope plate that abuts the storage room bottom plate is formed by a curved surface, it can easily and accurately adapt to changes in the height of the road surface over which the slope plate is passed. Therefore, there is an advantage that safe getting on and off of a wheelchair or the like can be secured.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing a preferred embodiment of a slope getting on / off 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 getting on / off device shown in FIG.

FIG. 3 is a side view showing a slope plate 14 extracted from FIG. 1;

FIG. 4 is a partially enlarged cross-sectional view of a central portion in the vehicle front-rear direction and a vicinity of an outer end of the vehicle in a non-use state of the slope getting-on / off device shown in FIG. 1;

FIG. 5 is a slope plate 1 of the slope getting on / off device shown in FIG. 1;
FIG. 4 is a partially enlarged cross-sectional view of an end portion in a vehicle front-rear direction and near an outer end showing an initial state of 4 drawers.

FIG. 6 shows a slope plate 1 of the slope getting-on / off device shown in FIG.
FIG. 7 is a partially enlarged cross-sectional view of a vehicle front-rear direction central portion and a vicinity of an outer end of the vehicle at the end of 4 drawers.

FIG. 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. 6 and crossed over a road surface.

FIG. 8 is a partial cross-sectional view of an end in the vehicle front-rear direction immediately before the end of pulling out of the slope plate 14.

FIG. 9 is a partial cross-sectional view of the same portion as FIG. 8 at the time when the pulling-out of the slope plate 14 is completed.

10 is a partially enlarged cross-sectional view of the same part, showing a state in which the vehicle outer end of the slope plate 14 is lowered from the state shown in FIG. 9 and crossed over a road surface.

FIG. 11 is a partial side view as viewed from the direction of arrow XI in FIG. 8;

[Explanation of symbols]

10: slope getting on and off device, 12: storage room, 14: slope plate, 18: bottom plate of storage room 12, 22: top plate of storage room,
26: movable top plate, 28: rail, 30: rolling roller, 3
8 lid plate, 40 stopper, 42 locking device, 44 bottom plate of slope plate 14, 48 flange, 50 rolling roller, 52 support member, 60 engaging projection, 62 engaging groove,
80: Lock hole.

Claims (2)

[Claims] 1. A storage room provided below a floor portion of an entrance of a vehicle such as a bus, and when not in use, the storage room is stored in the storage room, and when in use, the storage room is drawn out of the storage room via rolling rollers from the storage room. A slope plate which is obliquely bridged between the outside opening end of the storage room and the road surface, and which comes into contact with the bottom plate of the outside opening end of the storage room below the vehicle-side end when the slope plate is used. A support member for carrying the load without sharing the load on the rolling roller is provided, and near the outer opening end of the storage chamber, the slope plate is engaged with an engagement projection provided on the slope plate during use. A slope getting on / off device for a bus or the like, comprising a stopper fixed in both the storing direction and the pulling out direction. 2. The slope getting on and off of a bus or the like according to claim 1, wherein a cross-sectional shape of a portion of the support member provided below the end of the slope plate and in contact with the storage chamber bottom plate is formed by a curved surface. apparatus.