JP4577981B2 - Elevator car door device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an elevator car door device that opens and closes an entrance of a car room by a sliding door having an engagement device mounted on an outer surface of the car room.
[0002]
[Prior art]
3 and 4 are views showing a conventional elevator car door device similar to the configuration shown in Japanese Patent Laid-Open No. 5-186170, for example. FIG. 3 is a perspective view of the elevator car, and FIG. It is a cross-sectional view which expands and shows the principal part. In the figure, 1 is a car frame in which steel materials are assembled in a square shape, 2 is a car room provided in the car frame 1, and is formed by a car floor 3, a wall 5 having an entrance 4 and a ceiling 6.
[0003]
7 is a mounting arm projecting from the both sides of the upper part of the car frame 1 toward the entrance / exit 4 side, and 8 is a door opening / closing device supported by the mounting arm 7 and equipped on the upper edge of the entrance / exit 4. A mechanism is provided. Reference numeral 9 denotes a sliding door composed of a double door double door, which is driven by a door opening / closing device 8 and guided by a door rail. The two sliding doors 9 operate in opposite directions to open and close the doorway 4.
[0004]
10 is a door stop rubber attached to the door end of the sliding door 9, 11 is a known safety shoe attached to the door end of the sliding door 9, and 12 is an engagement device for the door opening / closing device 8. The sliding door 9 is provided on the outer surface of the car room 2 so as to protrude from the front edge of the car room 2 on the doorway 4 side. Reference numeral 13 denotes an upper air conditioning cover provided to cover the upper surface of the car room 2.
[0005]
Reference numeral 14 denotes a lower wind-conditioning cover provided to cover the lower surface of the car room 2, and 15 denotes a door cover covering plate, which forms a door pocket for housing the sliding door 9 that is a main part of the outer surface of the car room 2 and is opened. It is arranged so as to cover the outer surface of the chamber 2, and the edge facing the front edge of the entrance / exit 4 is provided close to the outer surface of the car door 2 of the sliding door 9. A notch 16 is provided that opens to the edge of the sliding door 9 and accommodates the engagement device 12 when the sliding door 9 is opened.
[0006]
Reference numeral 17 denotes an upper cover plate which is arranged to cover the outer surface of the sliding door 9 at the upper edge portion of the entrance / exit 4 with the main part of the outer surface of the car room 2, and the edge portion facing the upper edge portion of the entrance / exit 4 is the sliding door 9. It is provided close to the outer surface of the car. Reference numeral 18 denotes a car operation panel provided in a buried state at the door pocket position of the wall 5.
[0007]
Reference numeral 19 denotes a sound insulating plate made of a rubber plate which is attached between the outer surface of the car room 2 on the side surface of the car room 2 and the edge of the door cover covering plate 15 facing the outer surface, and 20 is a sound insulating material. A space between the side edge of the doorway 4 and the sliding door 9 surface at the edge of the sliding door 9 on the outer side and the inner side of the sliding door 9 and the edge of the sliding door 9 or the edge of the door covering plate 15 The gap between the sliding door 9 surface is closed, and the upper edge portion of the sliding door 9 closes the gap between the upper edge portion of the doorway 4 and the sliding door 9 surface or the edge portion of the door cover cover 15 and the sliding door 9 surface.
[0008]
The conventional elevator car door device is configured as described above, and the car room 2 is provided with an upper conditioned cover 13 and a lower conditioned cover 14. Further, a doorcase cover plate 15 and an upper cover plate 17 are provided on the entrance / exit 4 side of the car room 2. Thus, it is configured to improve the riding comfort of the car room 2 so that noise in the elevator hoistway (not shown) does not propagate into the car room 2 when the car room 2 with the sliding door 9 closed is lifted. ing.
[0009]
[Problems to be solved by the invention]
In the conventional elevator car door device as described above, when the car room 2 arrives at the elevator landing (not shown) and opens, the door opening / closing device 8 is engaged with the landing door device (not shown). The device 12 is engaged. For this reason, the engagement device 12 is provided on the outer surface of the sliding door 9 in the cab 2 and is disposed so as to protrude from the front edge of the cab 2 on the doorway 4 side. Therefore, when the sliding door 9 is opened, a notch 16 that accommodates the engagement device 12 is provided in the door cover cover plate 15. As a result, there is a problem that noise in the hoistway is easily propagated into the car room 2 through the notch 16.
[0010]
The present invention has been made to solve such problems, and an object of the present invention is to provide an elevator car door device in which noise hardly propagates into the car room when the sliding door is closed.
[0011]
[Means for Solving the Problems]
In the elevator car door device according to the present invention, the sliding door that opens and closes the entrance / exit of the car room, the engaging device mounted on the outer surface of the car room of the sliding door, and the main part of the outer surface of the car room are formed as a door opening. Forming the outer surface of the door pocket that houses the sliding door, the edge facing the front edge of the doorway is located close to the outer surface of the sliding door cab, and corresponds to the front edge of the doorway A doorcase cover plate provided with a notch that opens to the edge and accommodates the engaging device when the sliding door is opened, and one end is mounted on the edge of the doorcase side of the sliding door and is arranged inside the doorcase cover plate, A closing plate is provided that closes the notch when the sliding door is fully closed.
[0012]
Further, in the elevator car door device according to the present invention, a closing plate made of a viscoelastic plate material is provided, and is provided on the inner surface of the corner of the door cover covering plate facing the edge of the door opening side of the door that is opened. A guide plate is provided in which a curved portion is formed on the inner surface of the corner portion on the horizontal projection surface, and the closing plate is elastically deformed and curved by the curved portion when the sliding door is opened.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
1 and 2 are diagrams showing an example of an embodiment of the present invention. FIG. 1 is a view corresponding to FIG. 4 described above, and FIG. 2 is a view corresponding to FIG. 1 showing a door open state of the elevator car door device shown in FIG. FIG. In addition to FIG.1 and FIG.2, the door apparatus of an elevator car is comprised similarly to above-mentioned FIG.3 and FIG.4. In the figure, 3 is a car floor of the car room 2, and 4 is an entrance / exit provided on a wall 5 of the car room 2.
[0014]
Reference numeral 9 denotes a sliding door composed of a double door double door, which is driven by a door opening / closing device 8 and guided by a door rail. The two sliding doors 9 operate in opposite directions to open and close the doorway 4. Reference numeral 10 denotes a door stop rubber attached to the end of the sliding door 9 on the door stop side, and 11 denotes a known safety shoe attached to the end of the sliding door 9 on the door stop side.
[0015]
Reference numeral 15 denotes a door cover covering plate, which forms a door pocket for housing the sliding door 9 which is the main part of the outer surface of the car room 2 and is opened. The engaging device 12 is provided when the sliding door 9 is opened when the sliding door 9 opens to the edge facing the front edge of the doorway 4. A notch 16 is provided to accommodate the.
[0016]
Reference numeral 19 denotes a sound insulating plate made of a rubber plate which is attached between the outer surface of the car room 2 on the side surface of the car room 2 and the edge of the door cover covering plate 15 facing the outer surface, and 20 is a sound insulating material. The sliding door 9 is mounted on the inner surface of the cab 2 and closes the gap between the side edge of the doorway 4 and the surface of the sliding door 9 at the edge of the sliding door 9 on the door pocket side, and above the doorway 4 at the upper edge of the sliding door 9. The gap between the edge and the sliding door 9 surface is closed.
[0017]
Reference numeral 21 denotes a closing plate made of a viscoelastic plate material such as rubber, and one end of the sliding door 9 is attached to the edge of the sliding door 9 on the outer side of the cab 2 and protrudes in the direction of the anti-sliding door 9 so It arrange | positions inside and the notch part 16 is obstruct | occluded when the sliding door 9 is fully closed. Reference numeral 22 denotes a guide plate which is attached to a corner of the sliding door 9 facing the outer surface of the cab 2 inside the door cover covering plate 15 and forms a curved portion in the horizontal projection plane at the corner. Is coated with a material having a small friction coefficient, such as a fluororesin.
[0018]
In the elevator car door apparatus configured as described above, an upper wind-conditioning cover 13 and a lower air-conditioning cover 14 are provided in the car room 2 in the same manner as the elevator car door apparatus shown in FIGS. Further, a doorcase cover plate 15 and an upper cover plate 17 are provided on the entrance / exit 4 side of the cab 2, and the notch 16 is closed by the closing plate 21 as shown in FIG. 1 when the sliding door 9 is fully closed.
[0019]
As a result, when the car room 2 with the sliding door 9 closed is lifted, the problem of noise in the elevator hoistway (not shown) propagating into the car room 2 can be eliminated, and the riding comfort of the car room 2 is improved. can do. Further, when the sliding door 9 is opened, the closing plate 21 hits the guide plate 22 and smoothly slides and is elastically deformed and curved, and is disposed in the door cover covering plate 15 as shown in FIG.
[0020]
For this reason, it is not necessary to install the door-cover covering plate 15 in a dimension that expands in the direction along the entrance direction of the entrance / exit 4, and the space in the entrance direction of the elevator hoistway can be saved. Therefore, the construction cost of the building where the elevator is installed can be reduced.
[0021]
【The invention's effect】
As described above, the present invention includes a sliding door that opens and closes the entrance / exit of the cab, an engagement device mounted on an outer surface of the cab of the sliding door, and a sliding door that is a main part of the outer surface of the cab and opens the door. Forms the outer surface of the door pocket to be accommodated, and the edge facing the edge direction edge of the doorway is arranged close to the outer surface in the cab of the sliding door, and the edge corresponding to the edge direction edge of the doorway The door cover is provided with a notch that opens and houses the engaging device when the sliding door is open, and one end is attached to the edge of the door of the sliding door and is placed inside the door cover. A closing plate that closes the notch when closed is provided.
[0022]
Thereby, the notch part which is provided in the door pocket cover plate and accommodates the engaging device mounted on the outer surface of the sliding door cab when the sliding door is opened is closed by the closing plate when the sliding door is fully closed. For this reason, the problem that the noise of the elevator hoistway propagates into the car room when the car room with the sliding door closed is lifted can be eliminated, and the riding comfort of the car room is improved.
[0023]
Further, as described above, the present invention is provided with a closing plate made of a viscoelastic plate material, and is provided on the inner surface of the corner of the door cover covering plate facing the edge of the door opening side of the door that has been opened. In FIG. 1, a curved portion is formed on the inner surface of the corner, and a guide plate is provided that is bent by elastically deforming the closing plate by the curved portion when the sliding door is opened.
[0024]
Thus, when the sliding door is opened, the closing plate hits the guide plate and is elastically deformed and arranged in the door cover covering plate. For this reason, it is not necessary to install the door cover cover plate in a dimension that expands in the direction along the entrance direction of the entrance and exit, and the space in the entrance direction of the elevator hoistway can be saved. Therefore, there is an effect of reducing the construction cost of the building where the elevator is installed.
[Brief description of the drawings]
FIG. 1 is a diagram showing a first embodiment of the present invention and corresponding to FIG. 4 described later.
2 is a view corresponding to FIG. 1 showing a door open state of the elevator car door device of FIG. 1;
FIG. 3 is a perspective view of an elevator car, showing a conventional elevator car door device.
4 is an enlarged cross-sectional view showing a main part of FIG. 3;
[Explanation of symbols]
2 car room, 4 doorway, 9 sliding door, 12 engagement device, 15 door cover covering plate, 16 notch, 21 closing plate, 22 guide plate.

Claims (2)

A sliding door that opens and closes the entrance of the cab, an engagement device mounted on an outer surface of the cab in the cab, and an outer surface of the door pocket that houses the sliding door that is a main part of the cab outer surface and is opened. Forming an edge opposite to the entrance edge of the doorway in the vicinity of the outer surface of the cab of the sliding door and opening to an edge corresponding to the entrance edge of the entrance. A door pocket cover plate provided with a notch for accommodating the engagement device when the sliding door is opened, and one end is mounted on the edge of the sliding door on the door pocket side, and is arranged inside the door pocket cover plate, An elevator car door device comprising a closing plate for closing the notch when the sliding door is fully closed. The closing plate is made of a viscoelastic plate material, and is provided on the inner surface of the corner of the door cover covering plate facing the edge of the door open side of the sliding door that is opened to form a curved portion on the inner surface of the corner on the horizontal projection surface. The elevator car door device according to claim 1, further comprising a guide plate that elastically deforms the closing plate by the bending portion when the sliding door is opened.

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