JPH10109863A - Elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator capable of widening opening width compared with the maximum opening provided at one face of a car. SOLUTION: This elevator has a cross section formed of a generally tetragonal shape. One corner part is projected to a landing. Entrances for boarding and alighting 24, 25 are provided at two adjoining faces sandwiching the corner part, respectively. The elevator is constituted to have a hoistway 21 in which a first and a second landing door 30, 31 are interposed at the entrances 24, 25, respectively, and a car 22 elevatably placed in the hoistway and having a first and a second car door 33, 34 interposed at two faces facing the first and the second landing door 30, 31. In this case, the entrances 24, 25 provided at the two faces are communicated to each other through the corner part to from one entrance 26. The first and the second landing door 30, 31 and the first and the second car door 33, 34 are interposed so that respective one sides may be abutted to each other at the corner part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator, and more particularly to an elevator capable of forming a large entrance.

[0002]

2. Description of the Related Art FIG. 6 is a cross-sectional view showing a conventional elevator described in, for example, Japanese Patent Application Laid-Open No. 4-45093. In FIG. 6, 1 is a hoistway having a substantially quadrangular cross section formed over a plurality of floors, 2 is a car arranged so as to be able to move up and down in the hoistway 1, and 3 is a hall provided on each floor , 3
a is the entrance provided in the hoistway 1, 3b is the exit provided in the hoistway 1, 1a is the landing door provided in the entrance 3a, 1
b is a landing door provided on the exit 3b, 2a and 2b are car doors provided on the car 2, 4 is a counterweight, and 5 is a landing push button provided toward the landing 3.

The hoistway 1 is arranged such that one corner protrudes into the landing 3, and two adjacent surfaces of the hoistway 1 face the landing 3. The entrance 3a and the exit 3b are provided on these two surfaces protruding toward the landing 3 of the hoistway 1, respectively. The landing doors 1a and 1b are provided at the entrance 3a and the exit 3b, respectively. On the other hand, two car doors 2a and 2b are installed on two adjacent side surfaces of the car 2. When car 2 stops at landing 3, car door 2
a, 2b face the landing doors 1a, 1b.

The landing doors 1a and 1b operate in conjunction with the car doors 2a and 2b by a connecting mechanism (not shown), similarly to a general elevator having a single entrance. Each of the independent car doors 2a and 2b has a door motor and a door machine (not shown), and opens and closes accordingly.

[0005] Of the entrance 3a and the exit 3b provided in the landing 3, the entrance 3a is an entrance dedicated to boarding. Exit 3
“b” denotes an exit dedicated to getting off the vehicle. On the wall surface at the edge of the entrance 3a, a landing push button 5 is provided toward the landing 3. The passenger pushes the hall push button 5 to call the car 2. When the car 2 arrives, the doors provided at the entrance 3a and the exit 3b are opened. And the customer who gets off gets off from the exit 3b,
A passenger gets in from the entrance 3a.

[0006] In the conventional elevator configured as described above, two entrances are provided. One is used exclusively for boarding and the other is used exclusively for getting off. As a result, passengers and passengers do not mix,
Getting on and off is performed smoothly.

[0007]

In such a conventional elevator, the car doors 2a and 2b have the largest size that can be provided on one surface of the car 2. The landing doors 1a and 1b are the same size as the car doors 2a and 2b. That is, the entrance 3a and the exit 3b have the largest size that can be provided on one surface of the car 2.

However, conversely, the opening width of each of the independent entrances 3a and 3b cannot be made wider than the maximum opening width that can be provided on one surface of the car 2. . Therefore, when many people ride at once,
When a large number of people get off each time, even with the elevator having such a configuration, the time was not shortened. In addition, each of the independent car doors 2a and 2b has a door motor, which causes an increase in cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has an object to obtain an elevator in which the opening width of an entrance / exit can be made wider than the maximum opening width provided on one side of a car. With the goal.

[0010]

In the elevator according to the first aspect, the cross section is substantially a quadrilateral, one corner protrudes into the landing, and two adjacent surfaces sandwiching the corner are provided with entrances and exits, respectively. A hoistway in which the first and second landing doors are respectively arranged at the entrances and exits, and are arranged so as to be able to go up and down in the hoistway;
In an elevator provided with a car in which first and second car doors are respectively arranged on two faces facing the first and second landing doors, an entrance provided on two faces is provided at a corner. The first and second landing doors and the first and second car doors are communicated with each other to form one entrance / exit, and are disposed such that one side of each corner abuts each other.

In the elevator according to the second aspect, a door motor provided on the car and having first and second drive shafts protruding from both ends of the main body; and a first car door connected to the first drive shaft. And a transmission mechanism connected to the second drive shaft for transmitting the driving force of the door motor by bending it at substantially right angles, and a transmission mechanism connected to the transmission mechanism for opening and closing the second car door. A second door machine, first and second landing doors, first and second
And a connection mechanism for connecting the car door.

In the elevator according to the present invention, the clutch provided between the door motor and the transmission mechanism is connected to the clutch only in a predetermined case, and the first car door and the second car door are selected. Control means for opening and closing operation.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. FIG. 1 is a cross-sectional view showing an elevator according to the present invention. FIG. 2 is an enlarged view of a portion A in FIG. FIG. 3 is a conceptual diagram of the car door driving device. The same or corresponding parts as those of the conventional elevator shown in FIG.
The description is omitted. 1 and 2, reference numeral 21 denotes a hoistway formed over a plurality of floors, and reference numeral 22 denotes a hoistway 2.
1 is a car that can be moved up and down. 23 is a landing provided on each floor. The hoistway 21 is provided so that its cross section is substantially a quadrilateral and one corner protrudes into the landing 23 as in the conventional example, and two adjacent surfaces of the hoistway 21 face the landing 23. I have.

The hoistway 21 has two surfaces facing the landing 23,
A first entrance 24 and a second entrance 25 are respectively opened. The first entrance / exit 24 and the second entrance / exit 25 are communicated with each other at the corner of the hoistway 21 to form one entrance / exit 26 as a whole.

Reference numeral 30 denotes a first port provided at the first entrance 24.
And a reference numeral 31 denotes a second landing door provided at the second entrance 25. The landing door 30 has the same structure as a single door (two doors) of a general elevator,
It has a high speed door 30a arranged on one corner side and a low speed door 30b arranged on the other side. As shown in FIG. 2, the high-speed door 30a is manufactured such that one side on the corner side is a 45 ° end in a cross section over the entire side.

The landing door 3 provided at the second entrance 25
1 has a structure symmetrical with the landing door 30 about the corner of the hoistway 21, and has a high-speed door 31a arranged on the corner side and a low-speed door 31b arranged on the other side. One side on the corner side of the high-speed door 31a is manufactured so as to have a 45-degree end in a cross section over the entire side, similarly to the high-speed door 30a. High speed door 30a and high speed door 31a
Are arranged so that one side formed at 45 degrees with each other at the corners of the hoistway 21 is in contact with each other, so that they are perpendicular to each other.

On the other hand, the first landing door 3
A first car door 33 and a second car door 34 are provided opposite to the 0 and the second landing doors 31. 2
Each of the car doors 33 and 34 has a line-symmetrical structure about one corner of the car 22. The car door 33 has a high-speed door 33a and a low-speed door 33b facing the high-speed door 30a and the low-speed door 30b of the landing door 30, respectively. The car door 34 has a high-speed door 34a and a low-speed door 34b that face the high-speed door 31a and the low-speed door 31b of the landing door 31, respectively. One side on the corner side of the high-speed door 33a and the high-speed door 34a is formed at 45 degrees similarly to the landing door, and abuts each other at a right angle.

When the car 22 stops at the hall 23, the car doors 33, 34 face the hall doors 30, 31.
These landing doors 30, 31 operate in conjunction with the car doors 33, 34 by a connecting mechanism (not shown), similarly to a general elevator. The landing push button 5 is provided on a wall surface adjacent to the landing door 30.

In FIG. 3, 35 is provided on the car 22 and includes a first drive shaft 35a and a second drive shaft 3 from both ends.
The door motor has a structure in which a load can be connected to both ends by projecting a door motor 5b. A first door machine 36 is connected to a first drive shaft 35a of the door motor 35, and opens and closes the car door 33. A second door machine 46 is connected to the second drive shaft 35b of the door motor 35 via bevel gears 43 and 44 which are transmission mechanisms for bending and transmitting the driving force at right angles. The door machine 46 is the car door 3
4 is opened and closed.

In the elevator configured as described above, the first entrance 24 and the second entrance 25 are connected to the hoistway 2.
The two corners communicate with each other to form one entrance / exit 26, so that the opening width of the entrance / exit 26 can be made wider than the maximum opening width provided on one surface of the car 22. . Therefore, even when a large number of people get on at once or a large number of people get off at once, getting on and off can be performed smoothly, and the getting on and off time is shortened. The car doors 33 and 34 are driven by one door motor 35. The landing doors 30, 31 are also driven in conjunction therewith. Therefore, the door motor is 1
The cost can be reduced with the base.

Embodiment 2 FIG. FIG. 4 is a conceptual diagram of a car door driving device showing another example of the elevator of the present invention. FIG.
Is a flowchart showing the operation. In FIG.
Reference numeral 2 denotes a car that can be moved up and down in the hoistway 21 as in the first embodiment. Reference numeral 35 denotes a door motor provided on the car 52 in the same manner as in the first embodiment. The door motor has a structure in which a rotating shaft protrudes from both ends and a load can be connected to both ends.

Reference numeral 37 denotes a clutch provided between the door motor 35 and the door machine 36. The clutch 37 includes a clutch plate 38 attached to the first drive shaft 35a of the door motor 35 so as to be movable in the axial direction, a clutch plate control device 39 provided on the door motor 35 to push out the clutch plate 38 as necessary, and a clutch. And a clutch plate 40 opposed to the plate 38. The clutch plate 40 is connected to the door machine 36. Clutch plate controller 39
Pushes out the clutch plate 38 in response to a drive command from the control device 51.

The clutch plate 38 includes a clutch plate control device 3
9, when pushed out, it comes into contact with the opposed clutch plate 40, and the driving force is transmitted to the first door machine 36.
The door machine 36 includes the car door 33 as in the first embodiment.
Is opened and closed.

Reference numeral 47 denotes a clutch provided between the door motor 35 and the bevel gear 43. The clutch 47 includes a clutch plate 48 attached to the second drive shaft 35b of the door motor 35 so as to be movable in the axial direction, a clutch plate control device 49 provided on the door motor 35 to push out the clutch plate 48 as necessary, and a clutch. Clutch plate 5 facing plate 48
0. The clutch plate 50 is connected to a door machine 46 via bevel gears 43 and 44.
The clutch plate control device 49 pushes out the clutch plate 48 according to a drive command from the control device 51.

The clutch plate 48 includes a clutch plate control device 4
9, another clutch plate 50 when pushed out
Contact with. When the clutch plate 48 and the clutch plate 50 come into contact with each other, a driving force is transmitted to the second door machine 46 via the bevel gears 43 and 44. The door machine 46 opens and closes the car door 34. The control device 51 controls the clutch 3
The control means connects the clutch 7 and the clutch 47 only in a predetermined case. Clutch 37 and clutch 4
7 is a state in which the clutch plates 38 and 48 are pushed out when the drive command from the control device 51 is cut off when the power supply is lost. That is, when the power is lost, the clutches 37 and 47 are connected. Other configurations are the same as those of the first embodiment.

In this embodiment, the landing door 3
On the wall surface adjacent to 0, a special push button (not shown) is newly provided in addition to the hall push button 5 similar to the first embodiment.
The car 52 is also provided with a special push button (not shown).

In the present embodiment, the passenger pushes the special push button when he or she wants to consciously widen the frontage of the entrance when getting on or off the elevator. Then, the control device 51 operates according to the flowchart of FIG.
In FIG. 5, when the special push button provided on the hall or the car is pressed, the process proceeds to step S5 according to the judgment in step S1, and the doors of the first and second entrances 24, 25 are opened and closed. That is, the car doors 33 and 34 and the landing doors 30 and 31 are opened and closed.

When the special push button is not pressed,
Proceed to step S2. Then, in step S2, it is determined whether or not the hall call has been registered, and as a result, the process proceeds to step S3 or step S4. Step S
At S3, it is determined whether a car call has been registered. That is, step S2 and step S3,
By the determination in S4, four combinations based on the presence or absence of a hall call and the presence or absence of a car call are determined.

As a result, if there is both a hall call and a car call, the process proceeds to step S5, and the first and second entrances 2
4, 25 doors are opened and closed. If there is a hall call or no car call, the process proceeds to step S6, and only the door of the first entrance 24 is opened and closed. Further, if there is a car call without a hall call, the process proceeds to step S7, and only the door of the second entrance 25 is opened and closed. If both the hall call and the car call are absent, the process proceeds to step S8,
Both the first and second entrances 24, 25 remain closed.

In an elevator having such a configuration,
Since the opening and closing of both doors and the opening and closing of only one door are selected and performed as needed, power consumption can be reduced.

[0031]

According to the first aspect of the present invention, the cross section has a substantially quadrangular shape, one corner protrudes into the landing, and two adjacent surfaces sandwiching the corner are provided with entrances, respectively. A hoistway having first and second landing doors disposed therein, and a first and second hoistway doors disposed in the hoistway so as to be able to go up and down.
In the elevator having a car in which the first and second car doors are respectively disposed on two sides facing the landing door, the entrances provided on the two sides communicate with each other at the corners, and
One and two landing doors, the first and second landing doors and the first and second car doors each being one corner of each other at the corners.
It is arranged so that the sides abut. Therefore, it is possible to enlarge the entrance and exit, and it is possible to smoothly get on and off even when many people get on at one time or when many people get off at once, and the getting on and off time is shortened.

In the elevator according to the second aspect, a door motor provided on the car and having first and second drive shafts protruding from both ends of the main body; and a first car door connected to the first drive shaft. And a transmission mechanism connected to the second drive shaft for transmitting the driving force of the door motor by bending it at substantially right angles, and a transmission mechanism connected to the transmission mechanism for opening and closing the second car door. A second door machine, first and second landing doors, first and second
And a connection mechanism for connecting the car door. Therefore, only one door motor needs to be provided, and the cost can be reduced.

In the elevator according to the third aspect, the clutch provided between the door motor and the transmission mechanism and the clutch are connected only in a predetermined case, and the first car door and the second car door are selected. Control means for opening and closing operation. Therefore, the second car door and the second landing door open and close only in a predetermined case. As a result, power consumption can be reduced.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an elevator according to the present invention.

FIG. 2 is an enlarged view of a portion A in FIG.

FIG. 3 is a conceptual diagram of a car door driving device.

FIG. 4 is a conceptual diagram of a car door driving device showing another example of the elevator of the present invention.

FIG. 5 is a flowchart showing an operation.

FIG. 6 is a cross-sectional view showing a conventional elevator.

[Explanation of symbols]

21 hoistway, 22, 52 cars, 24, 25, 26
Entrance, 30 first landing door, 31 second landing door, 33 first car door, 34 second car door, 3
5 door motor, 35a first drive shaft, 35b second
Drive shaft, 36 first door machine, 51 control device (control means), 37, 47 clutch, 43, 44 bevel gear (transmission mechanism), 46 second door machine.

Claims (3)

[Claims] 1. A cross section has a substantially quadrilateral shape, one corner protrudes into a landing, and two adjacent surfaces sandwiching said corner are respectively provided with entrances and exits, and the entrances are respectively provided with first and second entrances and exits. A hoistway provided with a landing door, and first and second surfaces respectively disposed on the hoistway so as to be able to ascend and descend in the hoistway and facing the first and second landing doors.
An elevator provided with a car provided with a car door, wherein the entrances provided on the two surfaces communicate with each other at the corners to form one entrance / exit, and the first and second landings The elevator, wherein the door and the first and second car doors are arranged such that one side of each corner is in contact with the corner. 2. A door motor provided on a car and having first and second drive shafts protruding from both ends of the main body, and connected to the first drive shaft to open and close the first car door. A first door machine, a transmission mechanism connected to the second drive shaft, for transmitting the driving force of the door motor by bending it at substantially right angles, and a transmission mechanism connected to the transmission mechanism for opening and closing the second car door. A second door machine to be driven; the first and second landing doors; and the first and second door machines.
The elevator according to claim 1, further comprising: a connection mechanism that connects the car door. 3. A clutch provided between the door motor and the transmission mechanism, the clutch being connected only in a predetermined case, and selecting and opening and closing the first car door and the second car door. The elevator according to claim 2, further comprising control means for operating the elevator.