JP2543390Y2 - Lifting device for vehicle toilet - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting device for a toilet of a vehicle, which connects an upper passenger seat portion and a lower toilet portion of a large high-decker bus.

[0002]

2. Description of the Related Art In recent years, large high-decker buses, such as sightseeing buses and intercity express buses, have a two-tier structure in which the interior of the car is arranged in the upper and lower layers. In addition to being provided, more and more toilets are being installed.

FIG. 5, FIG. 6, and FIG. 7 show a conventional large-sized high-decker bus in which such a toilet room is installed. FIG. FIG. 6 is a cross-sectional view of the front half of the vehicle taken along line VI-VI in FIG. 5 in which the vehicle is sectioned in the horizontal direction and the upper passenger seat is viewed in plan. FIG. It is the perspective view seen from the window side direction.

In FIG. 5 to FIG. 7, a bus vehicle 1
Is formed in two layers of an upper layer portion A and a lower layer portion B. The upper layer portion A is provided with a passenger seat 2 and a passage 3 for the passenger seat. It is possible to enter and exit through the passenger seat passage 3 via the stairs 5 or the inclined passage.

[0005] A toilet room 6 is provided near the window side of the lower portion B substantially at the center of the vehicle. To the entrance of the toilet room 6, a staircase 7 for toilet is provided through a part of the passage 3 for the passenger seat. It is possible to go back and forth via the stairs 7 at the exit of the stairs 7
Is provided.

Further, a washstand 10 (see FIG. 7) provided with a washbasin 8 and a mirror 9 is provided beside the passage 3 for the passenger seat, and the washstand 10 faces the stairs 7. ing.
In some vehicles, the wash basin 10 is provided facing the passenger seat passage 3 side.

[0007] In the figure, reference numeral 6a denotes the floor of the toilet room, and 16 denotes a toilet in the toilet room 6.

[0008]

However, since there is a drop of, for example, about 1 m between the floor of the entrance of the toilet room and the floor of the entrance of the toilet in such a conventional large bus, such a drop is taken into consideration. Thus, if the ascending and descending stairs are provided within a limited area, the stairs must be accommodated in steps of about three steps, so that one stair has a height exceeding 30 cm.

[0009] The steps having a step of 30 cm or more are not so difficult to ascend and descend in the case of an adult male, but in the case of an elderly person or a child, the step is considerably large. The problem with the latter is that it is quite difficult for the latter to move up and down in a moving car in which the stairs are narrow.

The present invention has been made in view of such a problem, and it is possible to provide a lift device having a safety structure to move up and down between a passenger passage in an upper layer and a toilet room entrance in a lower layer. By doing so, it is an object of the present invention to provide an elevator lift device for a vehicle toilet, which allows any passenger to easily go to and from the toilet.

[0011]

According to the present invention, there is provided a lift apparatus for a toilet of a vehicle according to the first aspect of the present invention, wherein a passenger seat and a passage for the passenger seat are provided in an upper layer portion of the vehicle, and a toilet is provided in a lower layer portion. In a large high-decker bus, a lift is provided to move up and down between a part of the side of the passage for passengers and the entrance of the toilet, and by closing a partition between the lift and the side of the passage for passengers, The lift is capable of moving up and down, and by operating a lift switch provided in the lift, the lift is configured to move up and down between the upper layer portion and the lower layer portion. I have.

According to a second aspect of the present invention, there is provided a lift apparatus for a vehicle toilet, wherein the lock mechanism is configured to close the partition door and turn on a lift switch to lock the closed state of the partition door. In addition to the above, a stopper mechanism for releasing the movable locking state of the lift is provided.

[0013] Further, the lifting device for a toilet of a vehicle according to the third aspect of the present invention is a lifting device for lifting and lowering the lift in conjunction with the lowering operation when the lift descends to a lower part. A shutter that closes the gap is provided.

[0014]

According to the first aspect of the present invention, a lift user can lift a lift by closing a partition door between a passenger passage and the lift by a lift user riding on the lift. It becomes a state. By operating the lift switch, the lift reciprocates between the upper layer and the lower layer, and the toilet user rides on the lift to move to and from the toilet.

In the lift device for a vehicle toilet according to the second aspect of the present invention, when the lift user closes the partition door and turns on the lift switch, the partition door is locked and the lift is lifted. The locked stopper mechanism is released, and the lift can descend. The partition door is locked and does not open until the lift rises and returns to the upper layer.

Further, in the lift device for a toilet of a vehicle according to the third aspect of the present invention, when the lift descends, the wall between the lift and the lift device which raises and lowers the lift is interlocked with the lowering operation. It is closed by a shutter to shut off and isolate the user from the lifting device.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIGS. 1 to 4 show a lift apparatus for a vehicle toilet as an embodiment of the present invention.
2 is a front half longitudinal sectional view of a large high decker bus showing an installation state of the apparatus, FIG. 2 is a partially cutaway side view showing an enlarged view of a lift installation portion, and FIG. 2 is an enlarged view of a lift stopper mechanism. FIG. 4 is a control circuit diagram showing an example of a control device for controlling the lift operation of the lift. In FIGS. 1 to 4, the same reference numerals as those in FIGS. Similar parts are shown.

In FIG. 1, reference numeral 1 denotes a large-sized high decker type deluxe bus used for a sightseeing bus or a long-distance inter-city highway bus.
The upper portion A is provided with a passenger seat 2 and a passage 3 for the passenger seat, and the lower portion B is provided with a cooler unit installation room and a trunk room (not shown), and a toilet room near a window in a substantially central portion of the vehicle. 6 are installed. And the upper part of this toilet room 6 is the seat 2
Some of the seats are omitted and protrude to the two seats of the upper part A, and the ceiling is formed so as not to be higher than the seats 2.

As shown in FIGS. 1 and 2, the entrance 6b of the toilet room 6 is provided so as to open toward the front or rear (in this embodiment, rearward) of the vehicle. 6b, the lower part B
Passage 3 for the front of the toilet room and the upper part A
A lift 11 that moves up and down and reciprocates with one side is installed. The lift 11 is designed such that the floor 11a of the lift 11 and the passenger seat passage 3 are at the same height at the end point of the lift 11 and the floor surface 1 of the lift 11 at the end point of the descent.
1a and the floor 6a of the toilet room 6 are configured to have the same height.

A partition door 12 is provided between the lift 11 and the passenger seat passage 3. The partition door 12 is opened, the rider rides on the lift 11, and the partition door 12 is closed and locked. Thus, the lift 11 is placed in a state in which it can be moved up and down. That is, when the lift 11 descends to the lower part B, the partition door 12 is formed to serve as a safety wall for preventing a person from falling into the hole where the lift 11 descends from the passenger seat passage 3.

Further, on the wall surface of the lift 11 opposite to the partition door 12, a lowering switch 13 and a raising switch 14 for starting the raising and lowering operation of the lift 11, and an intermediate off (OFF) switch if necessary. A control box 15 provided with a group of elevation switches is provided.

Reference numeral 10 denotes a wash basin provided adjacent to the lift 11 near the window of the upper layer portion A of the vehicle. The wash basin 10 can be used on the lift 11 at the lift position of the lift 11. It has become. In the drawing, reference numeral 17 denotes an entrance door of the toilet room 11.

Further, as shown in FIG. 2, a stopper mechanism C is provided at one or several places below the floor surface of the upper layer portion A, and the lift mechanism 11 is engaged with the lift 11 at the raised position. The lift 11 is provided to maintain safety so that the lift 11 does not drop unexpectedly. That is, in the stopper mechanism C, for example, as shown in FIG. 3, the locking piece 18 protrudes and locks the floor surface 11a of the lift 11 in the normal position, and the lowering switch 13 of the lift 11 is turned on (O).
N), the locking piece 18 is moved by the air pressure
9 is retracted against the lift 9 and the lock with the lift 11 is released.

When the lowering switch 13 is turned on to release the stopper mechanism C, the above-mentioned locking or closing state of the partition door 12 is locked at the same time. It is maintained until it returns to the position.

Further, although not shown in FIG. 2, a pinch prevention switch (safety switch) 20 (see FIG. 4), which will be described later, is provided at an appropriate position between the lift 11 and the vehicle body 1 adjacent thereto. ) Is provided at an appropriate position, and when a part of clothes of a lift user is caught between the lift 11 and the vehicle body 1, the anti-trapping switch 20 is turned on to stop the lifting operation of the lift 11. In addition, it is configured to perform a reverse operation to release the pinched state of clothes or the like. Note that the pinch prevention switch 20 may be provided in the control box 15 so that the pinch prevention switch 20 can be manually operated in an emergency.

Further, a lift 11 is provided in the lower part B of the vehicle.
Is provided with an elevating device D for elevating the elevating device. That is, as shown in FIG. 2, a pair of cylinders 21 that are operated by air pressure or the like are provided at a lower layer portion B of the lift 11 opposite to the toilet room 6 side at intervals in the vehicle width direction. Pistons 22 that respectively move up and down are protruded, and a rotatable gear 23 is provided at the upper end of the piston 22. Further, a chain 24 suspended from the gear 23, the base of which is fixed to a part of the cylinder 21 or another part of the vehicle body 1, and the tip of which is fastened to the floor of the lift 11 is provided. In FIG. 2, only one cylinder 21 is shown.

Accordingly, when the power unit 25 connected to the cylinder 21 is started and the piston 22 is pushed upward, the tip of the chain 24 rises as shown by the arrow a to raise the lift 11, and conversely, the piston 22 When the chain 24 is pulled downward, the tip of the chain 24 descends as shown by the arrow b to lower the lift 11. Guide rails 26 and rollers 27 are provided on the side of the lift 11 between the lift 11 and the vehicle body 1 before and after the lift 11 (only one is shown in FIG. 2). It is configured to guide.

On the front surface of the lifting device D on the lift 11 side, the tip of the shutter 28 is connected to the floor 1 of the lift 11.
1a, when the lift 11 descends, the tip of the shutter 28 also descends to shield the space between the lift 11 and the elevating device D, so that the user cannot see the elevating device D. It is configured such that a person does not touch the lifting device D.

In the figure, 28a is a rotor for shutter,
Reference numeral 29 denotes a storage container for the shutter 28, and reference numeral 30 denotes a pipe connecting the power unit 25 and the cylinder 21.

Further, a side wall (not shown) is provided on the side of the lower portion B of the lift 11 near the window and on the side opposite to the window, so that the outside of the inside of the lift 11 is not visible. , The user is prevented from getting out of the lift 11.

Next, a control circuit diagram of a control device for controlling the operation of the present lift device shown in FIG. 4 will be described, and then the operation of the present lift device will be described.

In FIG. 4, reference numeral 31 denotes a power supply, and an electromagnetic lock type partition door switch 32 for locking the partition door 12 thereto.
And an A relay 33 that makes the lift 11 operable when the partition door 12 is closed is connected.
Is connected to the lowering switch 13 and the uppering switch 14 of the control box 15.

The lowering switch 13 is connected to the magnet valve 34. When the lowering switch 13 is turned on, air is sent from the air tank to the stopper mechanism C to release the stopper mechanism C from being locked to the lift 11. It has become. The lowering switch 13 is connected to the exciting coil 32a of the partitioning door switch 32. When the lowering switch 13 is ON, the partitioning switch 12 of the partitioning door 12 is locked in the ON state. The ON state of the A relay 33 is locked by 32. That is, when the partition door switch 32 is turned on, the exciting coil 33a of the A relay 33 is excited, and the A relay 33 maintains the ON state.

Further, the lowering switch 13 is connected to a micro switch 35 which operates in conjunction with the operation of the stopper mechanism C, and this micro switch 35 is connected to the power unit 2.
5 is connected to a descending contact 36a of a B relay 36 for moving the piston 22 of the cylinder 21 in the descending direction. On the other hand, the ascent switch 14 of the control box 15 is a B relay 3 for moving the piston 22 in the ascending direction.
6 is connected to the ascending side contact 36b.

The switch 13 for lowering and the switch 14 for ascending are sandwiched by diodes 37, 37, respectively.
When the switch 20 is connected to the exciting coil 36c of the relay 36, the switch 20 is turned on.
The contacts 36a and 36b are switched. In the drawing, reference numeral 38 denotes a power supply for operating the power unit 25.

Accordingly, when the partition door 12 is closed and locked by the lift 11 in the upper layer A by such a control device, the partition door switch 32 is turned on, and the exciting coil 33a of the A relay 33 is excited to turn on the A. When the relay 33 is turned on, the control box 15 is energized and the lift 11 enters an operable state.

When the lowering switch 13 of the control box 15 is turned on, the partition switch 32 is excited to lock the locked state of the partition 12 and
When the magnet valve 34 is energized, air from the air tank is sent to the stopper mechanism C. When the movable lock state of the lift 11 is released, the micro switch 35 is turned on by the operation of the stopper mechanism C at the same time, and the power unit 25 is turned on via the descending contact 36a of the B relay 36.
To the cylinder 2
The lift 11 is lowered by operating the first piston 22 in the descending direction, and reaches the same floor as the toilet room 6 in the lower part B, and the lift 11 stops. At the same time, the shutter 28 descends to form a shielding wall between the lift 11 and the elevating device D.

When the lift 11 is to be raised, the entrance door 17 of the toilet room 6 is closed and the raising switch 14 is turned on. The power unit 25 pushes the piston 22 of the cylinder 21 upward to raise the lift 11. Then, the floor 11a of the lift 11 reaches the same height as the passenger seat passage 3 in the upper layer portion A and stops.

Then, the raising switch 14 is turned off and turned off.
In this state, the lift 11 is locked by the stopper mechanism C so as not to descend, and the partition switch 32
Is released, the locked state of the partition door 12 is released, the A relay 33 is turned off, and the lift 11 returns to the original inoperable state.

If the clothes or the like of the lift user are caught by the lift 11 while the lift 11 is being lowered or raised,
The pinch prevention switch (safety switch) 20 is ON
When the B relay 36 is at the position of the descending contact 36a, the operation of the lift 11 is switched to the ascending direction, and the lift 1
1 and the B relay 36 is connected to the rising contact 36b.
When it is in the position, the operation of the lift 11 is switched to the descending direction, and the lift 11 is lowered to operate so as to release the state where clothes or the like are caught.

As described above, the lift 11 which moves up and down between the side of the passenger passage 3 in the upper part A of the vehicle and the entrance 6b of the toilet room 6 in the lower part B is provided. When the partition door 12 with the side of the passage 3 is closed, the lift 11 becomes operable,
By operating the lowering switch 13 or the raising switch 14 in the inside to lower or raise the lift 11, passengers can use the toilet 11 by going to and from the toilet room 6. Eliminating the difficulty of toilet users going up and down stairs with high steps as described above, regardless of the number of elderly people, children or women wearing kimono and high heel shoes, traffic to and from the toilet room 6 progresses. There is an effect that it can be done easily, safely, and with peace of mind, even while being shaken inside.

Moreover, since the lift 11 does not move until the partition door 12 is closed and locked, there is a danger that another person will open the partition door 12 and fall into the empty space after the lift 11 descends. There is also an effect that the safety and convenience of passenger use of the toilet is ensured, such as being able to know that the toilet is in use without the other person getting down. .

Further, the partitioning door 12 is closed and the lowering switch 1 is closed.
3 by turning ON, the partitioning door 12 is locked, and the stopper mechanism C which locks the movement of the lift 11
As long as the user does not act to get off even if the user gets on the lift 11, the effect that the lift 11 does not start carelessly and the user's safety is sufficiently maintained is obtained. is there.

Further, when the lift 11 descends, the shutter 28 descends between the lift 11 and the lift elevating device D to form a shielding wall, so that there is no danger of the user touching the elevating device D, and the safety is ensured. At the same time, there is an effect that the lifting device D is not seen by the user and the appearance is improved.

[0045]

[Effect of the Invention] As described in detail above, claim 1 of the present invention
According to the elevator lift device for a vehicle toilet according to the present invention, in a large high-decker bus in which a passenger seat and a passenger passage are provided in an upper layer of the vehicle and a toilet is provided in a lower layer, a part of the side of the passenger seat passage and the toilet A lift that moves up and down between the entrance and the exit is provided, and by closing a partition door between the lift and the side of the passage for the customer's seat, the lift can be moved up and down, and a lift provided in the lift is provided. By operating the switch for use, the lift is configured to move up and down between the upper layer portion and the lower layer portion, so that the toilet user can easily and easily go up and down stairs as in the related art. There is an advantage that you can safely go to and from the toilet.

According to the lift device for a toilet of a vehicle according to the second aspect of the present invention, the lock mechanism locks the closed state of the partition door by closing the partition door and turning on the lift switch. Is provided, and a stopper mechanism for releasing the movable locking state of the lift is provided, so that the lift does not move unless the user rides on the lift and performs a descent start operation. Has the advantage that the partition door is not opened and there is no fear of others falling into the lift holes, which ensures that not only the safety of toilet users but also the safety of passengers in general is sufficiently established.

Further, according to the elevator lift device for a vehicle toilet according to the third aspect of the present invention, when the lift descends to a lower part, the elevator and the lift device for elevating the lift in conjunction with the descending operation. A shutter is provided to close the space between the lift device and the lift user, and when the lift is lowered, shields between the lift user and the lifting device so that the user does not touch the lifting device. In addition, there is an advantage that good appearance can be ensured so that the user cannot see the lifting device.

[Brief description of the drawings]

FIG. 1 is a front half vertical sectional view of a large-sized high decker bus showing a lift apparatus for a vehicle toilet according to an embodiment of the present invention.

FIG. 2 is a partially cut-away side view showing a lift installation part according to FIG. 1 in an enlarged manner.

FIG. 3 is an enlarged view of the stopper mechanism of the lift I of FIG. 2;
FIG. 3 is a sectional view taken along line II-III.

FIG. 4 is a control circuit diagram of the control device for controlling the lift operation of the lift according to the present invention;

FIG. 5 is a front half longitudinal sectional view of a large-sized high decker bus showing a vehicle toilet and a toilet stairs according to a conventional example.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 5;

FIG. 7 is a perspective view of a conventional toilet elevating staircase viewed from a window side.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bus vehicle (body) 2 Passenger seat 3 Passage for passenger seat 4 Entry / exit entrance 5 Entry / exit stairs 6 Toilet room 6a Toilet room floor surface 6b Toilet room entrance / exit 7 Entry / exit stairs 7a Entry / exit staircase door 8 Washbasin 9 Mirror 10 Washstand 11 Lift 11a Lift Floor surface 12 Partition door 13 Lowering switch 14 Lifting switch 15 Control box 16 Toilet bowl 17 Entrance door 18 Locking piece 19 Spring 20 Interception prevention switch (safety switch) 21 Cylinder 22 Piston 23 Gear 24 Chain 25 Power unit 26 Guide rail 27 Roller 28 Shutter 28a Rotor for shutter 29 Shutter storage container 30 Piping 31 Power supply 32 Partition door switch 32a Exciting coil 33 A relay 33a Exciting coil 34 Magnet valve 35 Micro switch Chi 36 B relays 36a lowering side contact 36b rising side contact 36c exciting coil 37 diode 38 power A top portion B lower portion C stopper mechanism D lifting device

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Katsumi Tahara 5-33-8 Shiba, Minato-ku, Tokyo Inside Mitsubishi Motors Corporation (72) Yuki Asaoka 5-33-8 Shiba 5-chome, Minato-ku, Tokyo No. Mitsubishi Motors Corporation (72) Inventor Hitoshi Shimada 2 Oecho, Minato-ku, Nagoya City, Aichi Prefecture Mitsubishi Motors Engineering Co., Ltd. Nagoya Works (56) References JP-A-63-184540 (JP, A )

Claims (3)

(57) [Scope of request for utility model registration] 1. A large-sized high decker bus in which a passenger seat and a passenger passage are provided in an upper portion of a vehicle and a toilet is provided in a lower portion of the vehicle, an elevator is moved up and down between a partial side of the passenger passage and an entrance of the toilet. A lift is provided, and by closing a partition door between the lift and the side of the passage for the customer seat, the lift can be moved up and down,
A lift device for a toilet of a vehicle, wherein the lift is moved up and down between the upper layer portion and the lower layer portion by operating a lift switch provided in the lift. 2. A stopper mechanism for closing the partition door and turning on an elevating switch to lock the closed state of the partition door, and releasing the movable lock state of the lift. The lifting device for a toilet of a vehicle according to claim 1, wherein a lifting device is provided. 3. When the lift descends to a lower part, a shutter is provided for closing the lift and an elevating device for elevating the lift in conjunction with the descending operation. The lifting device for a vehicle toilet according to claim 1 or 2.