JP2665277B2 - Vertical lifting device for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in the field of elevators for safely disabling persons with wheelchairs in vehicles such as buses.

[0002]

2. Description of the Related Art A conventional vertical lifting device is disclosed in
As disclosed in Japanese Patent No. 6018, a part of the floor of a vehicle is cut away, and a lift platform which is raised and lowered by a pair of left and right cylinders is provided in the cutout portion, and the lift platform is raised and lowered from the ground to the floor. This means that people with disabilities in wheelchairs can get on and off.

[0003]

However, with the above structure, if the elevator does not coincide with the notch, a gap is formed between the notch and the elevator. There is a danger that the wheelchair will be wobbly when you transfer to. Also, when the elevator is raised, the lower part of the floor is open, so if a person riding the elevator inadvertently puts his feet below the floor, the upper surface of the elevator and the lower surface of the floor There is a danger of injury if the feet are caught between the two.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to eliminate wobble when moving from an elevator to a floor and to close the lower part of the floor when the elevator rises. The present invention provides a vertical elevating device for a vehicle that prevents a foot or the like from being caught between a floor and a floor plate.

[0005]

According to the present invention, fixed posts are erected on the left and right of the entrance of a vehicle, and a lifting column is slidably provided on the fixed columns, and a lifting platform is horizontally mounted at the lower end of the lifting column. At the base of the lift platform, a crossover plate that closes a gap between the vehicle wall plate and the lift platform in a standing state when the lift platform is extended and extends on the vehicle floor in the upright state at the time of the lowest lift can be rotated. It is characterized by being provided in.

[0006]

In the case of getting on and off by a wheelchair or the like, the elevating platform in the middle of elevating is lowered most by sliding the elevating column.
Wheelchairs etc. get on the platform at the lowest position of the platform,
Slide the lifting column to raise the platform.

At this time, the gap between the upper part of the elevator and the wall plate of the vehicle is closed by a crossing plate which is set up at the base of the elevator, and the foot of a disabled person on a wheelchair is sandwiched between the elevator and the vehicle body. The danger can be eliminated. When the elevator is raised to the highest level, the floor of the elevator and the floor of the vehicle become the same, and the handboard at the base of the elevator falls down to close the gap between the elevator and the floor.

[0008] In this state, the wheelchair on the lift platform moves on the floor board through the handover board. When the lifting of the wheelchair or the like is completed, the lifting platform is returned to the middle of the lifting.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a bus 1 according to an embodiment of the present invention; FIG. The door 3 is folded and stored on one side of the entrance 2 by being folded and stored, and the middle and rear doors 3 are opened and stored on the left and right sides of the entrance 2.

Reference numerals 4... Denote seats provided on the floor 5. Reference numeral 6 denotes a driver's seat, and a toll box 7 is provided beside the driver's seat 6. The elevator 2 of the present invention is provided at the entrance 2 and will be described with reference to FIGS. 9, 9
Is a pair of fixed posts erected on the left and right vehicle bodies inside the entrance 2, and the fixed posts 9, 9 are slidable lifting posts 1.
Reference numerals 0 and 10 are respectively provided, and the lifting columns 10 and 10 are slid by lifting cylinders 11 and 11 provided between the columns 9 and 10.

The base of a lift 13 is fixed to the lower ends of the lift posts 10 and 10 via plate-like brackets 12 so that the lift 13 is held horizontally. The elevator 13 includes a main elevator 14 and an auxiliary elevator 15 stored in the main elevator 14 as shown in FIG.
An X-shaped extending device 16 is provided between the main elevator 14 and the auxiliary elevator 15 as shown in FIG. 12, and one end of the extending device 16 is attached to a main bracket 17 fixed to the main elevator 14.
Auxiliary bracket 18 having the other end fixed to auxiliary lift 15
The auxiliary lift 15 can be moved from the retracted state in FIG. 3 to the extended state in FIG. 4 by the expansion and contraction of a cylinder 19 attached to a part of the extension apparatus 16. I have.

A plate-like transfer plate 20 is rotatably hinged to the base of the main lift 14.
0 is urged by the spring 21 in the falling direction. When the elevator 13 comes to the highest position, the handover plate 20 is moved to the position shown in FIG.
The free end is located on the floor 5 of the bus 1 and bridges between the elevator 13 and the floor 5 as shown in FIG.

When the elevator 13 descends, the passing plate 2
The free end of 0 is regulated by the lower wall plate 22 at the entrance, and the transfer plate 20 is in the upright state. At the lowest position, the transfer plate 20 is in the upright state as shown in FIG. To close the gap. Reference numerals 23, 23 denote mounting posts that are erected on the left and right bases of the main lift 14;
The power units 24, 24 and the cylinders 2 driven by the power units 24, 24 as shown in FIG.
The cylinders 25, 25 are connected to the cylinders 25, 25 via arms 27, 27 to rotating shafts 26, 26 protruding from the mounting columns 23, 23 on opposite sides of the pair of mounting columns 23, 23. Then, the bases of the side covers 28, 28 are fixed to the projecting ends of the rotating shafts 26, 26, and the cylinders 25,
With the extension of 25, the side covers 28, 28 are stored upright,
As shown in FIG. 9 and FIG.
To prevent the wheelchair from sliding on the elevator 13.

A telescopic cylinder 29 has one end fixed to the upper part of the fixed support 9 and the other end fixed to the main lift 14.
Is provided with a helical cord 30 extending from the bus 1 to the power unit 24, and the cord 30 is prevented from sagging by the telescopic cylinder 29. Reference numeral 31 denotes a hook device for fixing the lifting platform 13 in the middle of ascent and descent (at the time of traveling of the vehicle).

The lock device 31 is provided with a cylinder 32 below the bus 1 as shown in FIGS.
2 is connected to a lock pin 34 via a bell crank 33, and the lock pin 34 is supported by a pin hole 35 of the fixed support 9, and the lock pin 34 enters the pin hole 36 of the lifting support 10 by operation of the cylinder 32. As a result, the elevation of the elevating column 10 is restricted, and accordingly, the elevating table 13 is also fixed during the elevating.

The door 3 is opened and closed on a lifting platform 13 fixed during lifting. 37 is the elevator 1
3 is a step device formed on the elevating table 13 when the elevating unit 3 is fixed in the middle of elevating and ascending and descending as part of steps. As shown in FIG. 5, the step device 37 has a support member 38 and a step member 39 which can be folded, and a base of the step member 39 is pivotally supported between the upper wall plate 40 and the lower wall plate 22.

A bracket 41 is provided inside the lower wall plate 22.
The bracket 41 supports the middle of an arm 42, one end of the arm 42 is supported on a support member 38, and a cylinder 43 is provided between the other end and the bracket 41.
When the cylinder 43 is contracted, the arm 42 rotates counterclockwise, and the support member 38 is moved to the lift 13 as shown by the solid line in FIG.
The step member 39 stands horizontally and the step member 39 is in a horizontal state.

At this time, a notch groove 44 is formed in the lower wall plate 22 so that the arm 42 can rotate. When the cylinder 43 is extended, the arm 42 rotates clockwise, and the support member 38 and the step member 39 are stored outside the upper wall plate 40 in a folded state as shown by the dashed line in FIG. In this state, the support member 38 is flush with the lower wall plate 22.

Reference numeral 45 denotes a stopper provided on the auxiliary lift 14. Although the embodiment has been described with reference to a bus, the invention is not limited to a bus, but can be implemented as long as a vehicle in which a wheelchair or the like gets on and off. When the ground height of the floor is low, the step device can be omitted. Further, the lock device is not limited to the structure of the embodiment, but any structure that restricts the descent of the lifting column is satisfactory.

The operation of the present invention will now be described. First, when the user steps on and off the steps, the auxiliary elevator 15 is stored in the main elevator 14 as shown in FIG. The cylinder is stopped halfway, the cylinder 32 of the lock device 31 is reduced, and the lock pin 34 is inserted into the pin hole 36 of the column 10 to fix the column 10 and the platform 13.

Further, the step device 37 is formed in a stepped shape by reducing the cylinder 43, and the side guard 28 is stored upright when the cylinder 25 of the mounting support 23 is extended. In this state, the door 3 is opened, and the user gets on and off using the elevator 13 and the step device 37. Next, the case of getting on and off in a wheelchair will be described. The door 3 is opened from the state of FIG.
The step device 37 is stored outside the upper wall plate 40 by extending the cylinder 43, and the extension device 16 is operated by the cylinder 19 as shown by the two-dot chain line in FIG.

Further, the cylinder 25 of the mounting column 23 is reduced to lower the side guard 28 to the state shown in FIG. 11, and the cylinder 32 of the locking device 31 is extended to pull out the lock pin 34 from the pin hole of the lifting column 10 and move it up and down. Prop 10
To be able to move up and down. In this state, the elevating cylinder is extended to lower the elevating platform 13 from the position shown in FIG. 3 to the position indicated by the dashed line in FIG. 4 (the lowest position).

After the platform 13 has descended to the maximum, the wheelchair gets on the platform 13 and the stopper 45 is erected after getting on. In this state, the lifting cylinder 11 is reduced, and the lifting table 13 is raised. At this time, since the transfer plate 20 closes the space between the lift 13 and the lower wall plate 22, it is possible to prevent a danger of pinching a wheelchair with a disabled person's foot or the like.

The transfer plate 20 is controlled by the lower wall plate 22 and the support member 38 of the step device 37 and rises while standing. When the lift 13 rises as shown by the solid line in FIG.
It falls down at 1 and becomes horizontal. In this state, the wheelchair moves from the elevator 13 to the floor 5 through the transfer plate 20. The above device is repeated to get on and off.

[0025]

As described above, according to the present invention, the transfer board is provided on the base of the liftable platform so as to be able to fall down and stand up, and when the lifter is at the highest position, the transfer board falls down and becomes a passage to the floor surface side. When the platform is at its lowest descent, the bridge plate can close the gap between the vehicle wall plate and the lifting platform. This makes it possible to smoothly move from the elevating platform to the floor surface, and to reliably prevent the danger that a part of the body such as a foot is pinched between the elevating platform and the wall plate during the ascent. can do.

[Brief description of the drawings]

FIG. 1 is an overall view of a bus.

FIG. 2 is a plan view of the inside of a bus.

FIG. 3 is an overall view of a lifting device.

FIG. 4 is an operation state diagram when getting on and off the vehicle in a wheelchair.

FIG. 5 is a partially enlarged view of a position on the way up and down of the elevator.

FIG. 6 is an AA diagram of FIG. 5;

7 is a BB view of FIG. 5 with a partial cross section.

FIG. 8 is an enlarged cross-sectional view taken along the line CC of FIG. 7;

FIG. 9 is a partially enlarged view at the time of descending the elevator.

FIG. 10 is a DD view of FIG. 9 with a partial cross section.

FIG. 11 is a partially enlarged view of FIG. 9;

FIG. 12 is a plan view showing an operating state of the elevator.

[Explanation of symbols]

 Reference Signs List 5 floor surface 8 elevating device 9 fixed column 10 elevating column 13 elevating table 20 bridge plate 23 mounting column 28 side cover 31 locking device 34 locking pin 37 step device

Claims (1)

(57) [Claims] 1. A fixed support is erected on both sides of a vehicle entrance,
An elevating column is slidably provided on the fixed column, and an elevating table is horizontally mounted at the lower end of the elevating column. A vertical lifting device for a vehicle, which rotatably provides a crossing plate that closes a gap between a vehicle wall plate and a lifting platform in a standing state at the time of the lowest descent.