JP2000191256A - Device for changing direction of wheelchair in passenger elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for changing direction of wheelchair capable of being installed in a narrow space and having high practical effect by providing a turning direction changing device for wheelchair, and providing at least one or more wheel stoppers while passing through floor plates, and vertically moving the wheel stoppers with a wheel stopper driving motor so as to be projected from the floor plates at the time of use for wheelchair. SOLUTION: An elevating car 1 of a passenger elevator is provided with an entrance door 2, and an operator sitting on a wheelchair 3 enters into the elevating car 1 with manual power after opening the entrance door 2. A floor part is provided with floor plates 4, and has at least two or more turning wheels 5 fitted to a lower surface of the floor plates 4, and the turning wheels 5 travel on a lower frame 1a of the elevating cage 1 so as to support a load to be applied to the floor plates 4. A turning shaft 6 is provided under the floor plates 4 at a central part thereof, and vertically supported by bearings 7, 8, which are fixed to the lower frame 1a of the elevating car 1, freely to be turned. A turning driving reduction gear 9 is driven by a turning motor 10, and the floor plates 4 is turned around the turning shaft 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a passenger elevator.
Wheelchair turning device in a car.

[0002]

2. Description of the Related Art Conventionally, in an elevator, a direction change of a wheelchair is reversed by an operator by himself / herself or retreated when an elevator is narrow.

[0003] In hospitals and the like where wheelchairs are frequently used, there has been an example in which a special elevator having a door on the opposite side in addition to a normal door is installed.
In terms of hardware, equipment costs, and maintenance costs, the range of adoption was extremely limited.

[0004]

Therefore, in the case of reversing on its own, it takes a lot of effort, and even a healthy person can perform the operation,
It was difficult because it took time, and it was difficult for the elderly, disabled and sick to ride, and to reverse on their own.

[0005] In addition, when the vehicle retreats backward, it is necessary to confirm the rearward situation that is difficult to see and to exit the vehicle with the door opened, and the operation has a high degree of danger.

Also, a special elevator having an exit door is provided.
As mentioned above, the equipment cost is high, the maintenance work is complicated, the maintenance cost is high, and the building has enough space because the entrance and exit sides require a passage as described above. Otherwise, installation was difficult, and the range of adoption was extremely limited.

[0007] For this reason, it has been extremely difficult to install the device in a narrow installation space such as a home elevator.

Therefore, it is easy for a wheelchair user to operate, there is no danger when getting on and off, and equipment and maintenance costs are low.
There has been a demand for a highly practical device which can be installed in a narrow installation space such as a home elevator without any restriction on the installation space in the arrangement.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, a turning type turning device for a wheelchair is installed in a passenger elevator, and at least the turning direction changing device for a wheelchair penetrates the floor plate. One or more wheel stoppers are provided, and are provided to be vertically movable by a wheel stopper driving motor so as to protrude from the floor plate when the wheelchair is used.

A contact-type limit switch is attached to the upper end of the wheel stopper, and the contact signal automatically closes the door for getting on and off, or opens and closes the door provided in the elevator car. Button can be closed by pressing the button, and after the button is closed, the floor plate is automatically turned 180 ° by the turning motor and stopped, or By pressing the turning button provided on the floor, the floor board can be turned 180 ° by the turning motor and stopped, and when the floor lands on the upper floor, a landing signal The door for getting on and off is automatically opened, the wheelchair is automatically lowered, the wheelchair comes out manually, and when the door for getting on and off is closed, the floor plate turns 180 ° by the turning motor and stops. By stopping the wheel There characterized in that it is configured to be disposed opposite the position of the entry and exit door.

The elevator car for the passenger elevator is intended for a generally used rectangular or cylindrical basket. As an example of a cylindrical basket, Japanese Utility Model Registration No. 3044808
And Utility Model Registration No. 3046238.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a cross-sectional view of a wheelchair turning device according to an embodiment of the present invention.

FIG. 2 is a perspective view of a wheelchair turning device according to an embodiment of the present invention installed in a passenger elevator.

FIG. 3 is a perspective view of a wheel-chuck lifting / lowering device installed in a passenger elevator of a wheelchair turning device according to an embodiment of the present invention.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, an elevator car 1 of a passenger elevator is provided with a door 2 for getting on and off, and an operator on a wheelchair 3 opens the door 2 for getting on and off. The elevator enters the elevator car 1 by human power.

A floor plate 4 is provided on the floor of the elevator car 1. The floor plate 4 has at least two or more turning wheels 5 attached to the lower surface thereof. It travels on the lower frame 1 a of the elevator car 1 and supports the load of the floor plate 4.

Further, a pivot 6 is attached to the lower surface of the floor plate 4 at the center thereof, and the pivot 6 is attached to the elevator basket 1.
The bearing 7 and the bearing 8 are fixed to the lower frame 1a of the first member 1 and are vertically rotatably supported.

The turning shaft 6 passes through the bearings 7 and 8, and is connected at its lower part to a turning drive speed reducer 9. The turning drive speed reducer 9 is fixed to the lower frame 1a. The floor plate 3 is configured to rotate around the swivel shaft 6 by being driven by the swiveling motor 10.

A limit switch for confirming the position of the turning operation and a stop signal, for example, a cam type rotary encoder 11 is attached to the end of the turning motor 10. I have. Further, instead of the rotary encoder 11, a lever type limit switch can be installed (not shown).

The turning drive speed reducer 9 is preferably a
By using a speed reducer having a braking effect, such as a speed reducer, it is possible to prevent a minute wobble of the floorboard.

The operator in the wheelchair 3 enters the elevator car 1, and when the front wheel 12 of the wheelchair 3 hits the wheel stopper 13, the wheelchair 3 stops at that position.

As shown in FIG. 1, when the wheelchair is used, the wheel stopper 13 projects from the floor plate 3.

The wheel stopper 13 is driven by the wheel stopper driving motor 24.
Is lowered, the upper end of the wheel stopper 13 becomes the same or lower than the floor plate 3.

This is when the wheelchair is not used.
3 can be used without protruding from the floor plate 3.

FIG. 2 is a diagram showing a state in which the front wheel 12 has hit the wheel stopper 13 (illustration of a floor plate is omitted).

FIG. 3 is a perspective view showing a device for raising and lowering one wheel stopper 13. As shown in FIG.

Below the wheel stopper 13, two support plates 14 are provided. Between the support plates 14, the lifting and lowering plates 1 are provided.
One end of 5 is sandwiched and slidably connected via a bolt 16.

The raising / lowering plate 15 pivots via a fulcrum shaft 18 with respect to a fulcrum support 17 fixed to the lower surface of the floor plate 3 at the center, so that the wheel stopper 13 can move up and down.
The other end is slidably connected to an eccentric plate 20 via a pin 19.

A drive shaft 21 is fixed to the center of the eccentric plate 20. The drive shaft 21 is rotatably supported by a bearing 22, and the other end is connected to a speed reducer 23.
Numeral 3 is fixed to the lower surface of the floor plate 3, and is further configured so that the wheel stopper 13 is moved up and down around the fulcrum shaft 18 by being electrically rotated by the connected wheel stopper driving motor 24. Have been.

A limit switch for checking the position of the up / down operation and a stop signal, for example, a cam-type wheel stopper
A tally encoder 25 is attached to the end of the wheel stopper driving motor 24. Further, instead of the rotary encoder 25, a lever type limit switch may be provided (not shown).

In the above configuration, the operation of the cylindrical elevator car in the riding elevator will be described according to the procedure.

FIG. 4 is an external view of the entrance. A call button 26 for normal use and a call button 27 for wheelchair are installed on the side wall of the door 2a that moves in conjunction with the door 2.

The normal call button 26 is for pressing when the wheelchair is not in use. When this button is pressed, the wheel stopper 13 is lowered, and the wheel stopper 13 does not protrude from the floor plate 3. Therefore, it is used as a normal elevator,
Since the turning operation is not performed, the usability is not changed at all.

When the wheelchair call button 27 is pressed, the wheel stopper 13 projects from the floor plate 3.

At that time, it is confirmed that the position of the floor plate 3 is on the side opposite to the door 2 for entry / exit, and the turning operation is automatically performed so as to be in the entry state. The circuit is set up to be performed.

When the doors 2 and 2a are opened, the operator puts the wheelchair 3 into the elevator car 1, and when the front wheel 12 of the wheelchair 3 hits the wheel stopper 13, the wheelchair 3 stops at that position.

When the vehicle stops, it is confirmed that the wheelchair 3 has come to the proper position.

As shown in FIG. 5, a door close button 28, a door open button 29, a turning button 3
0 and a destination button 31 are attached.

When it is confirmed that the wheelchair 3 has reached the proper position, the door is closed by pressing the door close push button 28.

As shown in FIG. 6, a contact limit switch 32 is provided at the upper end of the
When 2 comes into contact with the contact type limit switch 32, it is confirmed that it has come to the proper position.

Thereafter, when the turning button 30 is pressed, the floor plate 3 turns by 180 degrees, and the wheelchair is turned to the door 2 side.

The stop is performed by the rotary encoder-1.
By 1, the position is determined and the operation is automatically stopped.

Preferably, the door 2 and the door 2a are automatically closed by the signal of the contact type limit switch 32, and then the turning is automatically started. The tally encoder 11 can be used to stop at the front.

After that, the destination button 31 is pressed to move up to the desired upper floor.

Upon landing on the upper floor, the door 2 and the door 2a are automatically opened by the landing signal, the wheel stopper 13 is automatically lowered, and the operator can move the wheelchair 3 to exit.

Thereafter, when the door 2 and the door 2a are closed, the floor plate 3 automatically starts turning, and the wheel stopper 13 is provided on the opposite side of the door 2.
Is turned to come to the state at the start.

A series of operations is completed by operating as described above.

The contact type limit switch 32 may be provided at a place different from the upper end of the wheel stopper 13 (not shown),
The same function can be exerted by confirming the position by the non-contact type sensor 33 shown in FIG.

[0050]

As described above, conventionally, the direction change of a wheelchair in an elevator is performed by reversing the wheelchair by itself.
It was very labor-intensive, and it was difficult for even a healthy person to operate it because it was troublesome. Usually, the elderly, disabled and sick were on board, and it was difficult for them to reverse on their own.

When the vehicle retreats, it is necessary to check the rearward situation that is difficult to see, and to exit with the door opened.
The operation was dangerous.

Further, a special elevator provided with an exit door is provided.
As described above, the equipment cost and the maintenance cost are high, and there are many restrictions on the installation space.

According to the present invention, a single wheelchair user can easily operate the vehicle when getting on and off the elevator, there is no danger, the equipment and maintenance costs are low, and the space for installation is small. Therefore, it is possible to provide a device which can be installed in a narrow installation space such as a home elevator and has a very high practical effect.

Further, in the case of a riding elevator of a cylindrical car, the floor plate 3 is swiveled, so that it is circular, so that it can be easily arranged in the cylindrical car, and an extremely rational structure can be provided.

[Brief description of the drawings]

FIG. 1 is a sectional view of a wheelchair turning device according to an embodiment of the present invention.

FIG. 2 is a perspective view of a wheelchair turning device according to an embodiment of the present invention installed in a passenger elevator.

FIG. 3 is a perspective view of a wheel-chuck lifting / lowering device installed in a passenger elevator of a wheelchair turning device according to an embodiment of the present invention.

FIG. 4 is an external view of a doorway of the embodiment according to the present invention.

FIG. 5 is a layout view of buttons in the elevator car according to the embodiment of the present invention.

FIG. 6 is a perspective view in which a contact-type limit switch is provided at the upper end of the wheel stopper 13 according to the embodiment of the present invention.

FIG. 7 is a sectional view showing a wheelchair turning device and a wheel-chuck lifting / lowering device according to an embodiment of the present invention.

FIG. 8 is a plan view showing a wheel stopper raising / lowering device according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Elevating basket 2 ... Door for getting on and off 3 ... Wheelchair 4 ... Floor plate 5 ... Turning wheel 6 ... Turning shaft 7, 8 ... Bearing 9 ... Turning drive reduction gear DESCRIPTION OF SYMBOLS 10 ... Rotating motor 11 ... Rotary rotary encoder 12 ... Front wheel 13 ... Wheel stopper 14 ... Support plate 15 ... Raising / lowering plate 16 ... Bolt 17 ... Support point Receiver 18 fulcrum shaft 19 pin 20 eccentric plate 21 drive shaft 22 bearing 23 reduction gear 24 drive motor for wheel stopper 25 rotary for wheel stopper Encoder 26 Normal call button 27 Wheelchair call button 28 Door close button in elevator car 29 Door open button in elevator car 30 Swivel button in elevator car 31 Lift Destination button in the basket 32 Contact limit switch 33 Non-contact sensor Server

Claims (3)

[Claims] 1. A passenger elevator having a door for getting on and off at one position of a wall of a cylindrical or rectangular elevator car,
The floorboard has at least two
It has more than one turning wheel, which runs on the lower frame of the elevator car, supports the load of the floorboard, and further, at the center of the floorboard, a turning shaft is mounted on the lower surface thereof. The turning shaft is vertically rotatably supported by a bearing fixed to the lower frame of the elevator car, and a reducer is connected to a lower portion of the bearing, and the reducer is connected to the elevator cage. And the turning shaft is driven by a turning motor via the speed reducer, so that the floor plate turns around the turning shaft. Along with the floor plate, at least one or more wheel stoppers are provided, and when the wheelchair is not used, the upper end is lowered below the floor surface of the floor plate, and when the wheelchair is used, the wheel stopper is higher than the floor plate. Reducer and wheel stop drive motor to protrude
A wheelchair direction changing device in a passenger elevator characterized by being provided so as to be able to move up and down. 2. A contact type limit switch is attached to an upper end of the wheelchair. When the wheelchair enters the elevator car manually, the wheelchair stops at the position when the front wheel of the wheelchair hits the wheelchair. According to the contact signal of the contact type limit switch, the door for getting on and off can be automatically closed, or it can be closed by pressing a door closing button provided in the elevator car, and the door can be closed. After that, the floor plate is automatically rotated by 180 ° by the rotation motor and stopped, or the floor plate is rotated by pressing the rotation button provided in the elevator car. It is configured so that it can be turned 180 ° and stopped by the motor for use, and upon landing on the upper floor, the door for getting on and off automatically opens, and the wheelchair comes out manually and the door for getting on and off When closed The floor plate is automatically turned
2. The wheelchair direction change in a passenger elevator according to claim 1, wherein the wheel stopper is arranged at a position opposite to the door for getting on and off by turning the vehicle 180 ° and stopping. apparatus. 3. A non-contact type sensor installed in an elevator car in place of the contact type limit switch installed at the upper end of the wheel stopper according to claim 2. Wheelchair turning device in the elevator.