JPH11292434A - Opening and closing device for elevator car door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the horizontal area of a car including a door pocket for housing a car door, and give no uncomfortable feeling to passengers even at the time of the collision of the car door during closing action with the passenger bodies. SOLUTION: This device is equipped with: driving doors 2 and 5 and driven doors 3, 4, 6, and 7 opening/closing-freely arranged on a car side door sill, main links 14 and 15 rotatably provided on the doors 2 and 5 at one-end parts with fulcrums 16 or 17 as the center respectively, sub-links 18, 19, 20, and 21 rotatably fitted to the main links at one-end parts, and to the driving and driven doors at the other ends, and stopper parts 24 and 25 provided on the end part of a door rail, and can abut on the main links. In openingly/closingly actuating the driving doors 2 and 5 and driven doors 3, 4, 6, and 7 by a driving pulley 12, the main links 14 and 15 abut on the stopper parts 24 and 25 to be turned with the fulcrums 16 or 17 as the centers respectively to openingly/closingly actuate only the driven doors 3, 4, 6, and 7 to the driving doors 2 and 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a car door opening and closing device in which a car door of an elevator is compactly stored in a door pocket.

[0002]

2. Description of the Related Art Conventionally, as a car door of an elevator, for example, there is a double door type as shown in FIG. Two car doors 101, 1 on each side of the car
Numerals 02 and 103 and 104 are arranged to be freely opened and closed. The car doors 101, 102 and 103, 104 are opened and closed by a door operator provided on the car, and the car doors 101, 102 and 103, 104 are opened and closed.
Is stored in door bags 105 and 106 when fully opened.

[0003]

However, in such a conventional elevator car door, when the car doors 101, 102 and 103, 104 are fully opened and housed in the door pockets 105 and 106, the left and right sides of the car doors are closed. Because of the two sheets, the door pockets 105 and 106 became large, and the horizontal area 107 of the basket including these door pockets also became large. Therefore, there is a problem that the volume of the hoistway on which the car travels becomes large.

[0004] On the other hand, if a passenger tries to get into the car while the car door is closing, the car door may collide with the passenger's body, and at this time, the passenger is uncomfortable. was there.

The present invention reduces the horizontal area of a car including a door pocket for accommodating the car door, and does not cause discomfort to the passenger even if the car door collides with the passenger's body during the closing operation. The purpose is to be.

[0006]

In order to achieve the above object, according to the present invention, a drive door and a driven door which are provided on a car side sill so as to be openable and closable, and a drive door and a driven door are provided. A door rail for guiding the opening and closing, a driving means for opening and closing the driving door, a main link having an end rotatably provided about the fulcrum on the driving door, and one end rotatably attached to the main link. A sub-link, the other end of which is rotatably attached to the driven door, and a stopper provided at an end of the door rail and capable of contacting the main link, wherein the driving door and the driven door are opened and closed by the driving means. At this time, the main link comes into contact with the stopper portion and rotates about the fulcrum, so that only the driven door is opened and closed with respect to the drive door.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. 1 to 5 are views showing an embodiment of an elevator car door opening / closing apparatus according to the present invention.

In FIG. 1, reference numeral 1 denotes a sill for an elevator car.
Three, four and five, six, and seven are arranged on each of the left and right sides so as to be freely openable and closable by three each. This double-opening door comprises one driving door 2 and 5 and two driven doors 3, 4 and 6, 7, respectively.

As shown in FIG. 2, the drive door 2 is slidably suspended on a door rail 8 provided on a car.
The driven doors 3 and 4 are also slidably hung on the door rails 9 and 10, respectively. The driving door 5 and the driven doors 6 and 7 are also slidably hung on the door rails 8, 9 and 10.

The drive doors 2 and 5 are fixed to the upper side and the lower side of a single belt 11, respectively, and the belt 11 is hung on a drive pulley 12 and a driven pulley 13 provided in a car. When the drive pulley 10 is rotated by the motor 14, the belt 11 rotates and the drive doors 2 and 5 open and close. The driving pulley 12 and the driven pulley 1
The belt 3 and the like constitute driving means.

The drive doors 2 and 5 have main links 14 and 1 respectively.
5 are rotatably mounted via fulcrums 16 and 17, and the main links 14 and 15 have sub-links 1.
One end of each of 8, 19, 20, and 21 is rotatably mounted, and the other end of each of the sublinks 18, 19, 20, and 21 is rotatably mounted on driven doors 3, 4, 6, and 7. The drive doors 2 and 5 have stopper portions 2 for preventing the main links 14 and 15 from rotating more than a certain amount about the fulcrums 16 and 17.
2, 23 are provided.

At the ends of the main links 14, 15, abutments 14a, 15a are provided integrally. on the other hand,
Stoppers 24 and 25 are integrally provided at both ends of the door rail 10, and the contact portions 14 a and 15 a can contact the stoppers 24 and 25. Rotate about the fulcrums 16 and 17.

Similarly, main links 26 and 27 are rotatably attached to the drive doors 2 and 5, respectively.
These main links 26 and 27 have sub-link 2
8, 29 and 30, 31 as well as driven doors 3, 4
And 6, 7 are rotatably mounted.

As shown in FIG. 3, when the drive pulley 12 is rotated forward (clockwise), the drive door 2 is rotated via the belt 11.
Opens along the door rail 8. The driven doors 3 and 4 connected via the main link 14 and the sub-links 18 and 19 move simultaneously with the driving door 2 along the door rails 9 and 10, respectively. When the drive door 2 approaches the fully opened position, the abutting portion 14a abuts against the stopper portion 24 and is pushed, and the main link 14 rotates counterclockwise about the fulcrum 16. Then, the driven doors 3 and 4 are fully opened together with the drive door 2 by the sublinks 18 and 19 and stopped. The driving door 5 and the driven doors 6, 7 also open in the same manner as described above.

Here, as shown in FIG.
When the driven doors 3 and 4 and the driving door 5 and the driven doors 6 and 7 are fully opened, they are stored in the door pockets 32 and 33. Since each of these doors has three more than two doors on one side, this door pocket 32 is provided. And 33 can be reduced. For this reason, the horizontal area 34 of the car including the door pockets 32 and 33 can be reduced. The number of the driving doors and the driven doors may be four or more on one side. In this case, the size of the door pocket can be further reduced.

On the other hand, as shown in FIG.
Is reversed (counterclockwise), the drive door 2 closes along the door rail 8. At this time, as the contact portion 14a is no longer pushed from the stopper portion 24, the main link 14 rotates clockwise about the fulcrum 16, and the driven doors 3, 4 are closed by the sub-links 18, 19.
Next, the drive door 2 moves to the fully closed position along the door rails 8, 9, and 10 with the driven doors 3 and 4, respectively.
The driving door 5 and the driven doors 6 and 7 are also closed in the same manner as described above.

When the driving door 2, the driven doors 3, 4 and the driving door 5, and the driven doors 6, 7 are closed, a passenger may get on the car.
3, 4, 5, 6, 7 may collide with the passenger's body.
Here, it is the driven doors 4 and 7 that collide with the passenger's body, and the driven doors 4 and 7 are driven by the sub-links 19 and 21 and the main links 14 and 15, respectively. , 5, it is easily inverted if it collides with the passenger's body.

The main link 14 and the sub link 1
8, 19 and main link 15, sub links 20, 2
In addition to the operation of the first link mechanism, the link mechanisms of the main link 26, the sub-links 28 and 29, and the main link 27 and the sub-links 30 and 31 also operate.
The opening and closing operations of 3, 4, and 5, 6, and 7 are performed smoothly.

[0019]

As described above, according to the present invention,
When the drive means opens and closes the drive door and the driven door, the main link contacts the stopper and rotates about the fulcrum, so that only the driven door is opened and closed with respect to the drive door. Therefore, the size of the door pocket in which the driving door and the driven door are stored can be reduced. As a result, the horizontal area of the car including the door pocket can be reduced, and the hoistway can be made compact.

On the other hand, even if the driven door during the closing operation collides with the passenger's body, the driven door is easily inverted, so that the passenger does not feel uncomfortable.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of an elevator car door opening / closing device according to the present invention.

FIG. 2 is a plan view of a driving door and a driven door.

FIG. 3 is a front view showing an opening operation of a driving door and a driven door.

FIG. 4 is a plan view showing the car door.

FIG. 5 is a plan view showing a closing operation of a driving door and a driven door.

FIG. 6 is a plan view showing a conventional car door.

[Explanation of symbols]

2,5 ... drive door, 3,4,6,7 ... follower door, 11 ...
Belt, 12: driving pulley, 13: driven pulley, 14,
15: Main link, 18, 19, 20, 21 ... Sub link.

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Ritsuyuki Sato 3-2-1 Sakado, Takatsu-ku, Kawasaki-shi, Kanagawa Japan Otis Elevator Co., Ltd.

Claims (2)

[Claims] 1. A driving door and a driven door which are openably and closably disposed on a car side sill, a door rail for guiding the opening and closing of the driving door and the driven door, a driving means for driving the driving door to open and close, and an end driven. A main link rotatably provided about a fulcrum on the door, a sub-link having one end rotatably mounted on the main link and the other end rotatably mounted on the driven door, and an end of a door rail The main link comes into contact with the stopper portion and rotates about the fulcrum when the drive door and the driven door are opened and closed by the driving means. An elevator car door opening / closing device, wherein only a driven door is opened and closed with respect to a driving door. 2. A main link is rotatably provided on the drive door, one end of another sub link is rotatably attached to the main link, and the other end of the sub link is driven by the other end. 2. The device according to claim 1, wherein the device is attached to a door.
The elevator car door opening and closing device as described in the above.