JP2010155664A - Elevator door device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an elevator door device easy of assembling work, and superior in working efficiency, by preventing interference between mutual apparatuses by having leeway with mounting space by effectively using the space in arrangement of components for constituting a door device. <P>SOLUTION: This elevator door device includes a car door panel 4 arranged in the car doorway 3 arranged in front of a car 2 of an elevator, a car door suspending-holding means for suspending and holding the car door panel so as to be freely openable-closable in the substantially horizontal direction above the car doorway, a car sill 8 forming a lower edge of the car doorway and arranged on the landing hall side further than a front face of a car floor of the car, and a door driving device 19 arranged on the landing hall side further than the front face of the car floor below the car doorway of the car sill and driving opening-closing of the car door panel. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an elevator door device.

  FIG. 7 shows a conventional elevator door apparatus. In the figure, 1 is an elevator hoistway, 2 is a car that can be raised and lowered in the hoistway 1, and 4 is a car doorway provided on the front surface of the car 2 so that it can be opened and closed in a substantially horizontal direction. A car door panel constituting a pair of car doors, and car door hangers 5 are respectively attached to upper ends of the car door panels 4, and a car door roller 6 is rotatable on the upper part of the car door hanger 5. It is attached to the shaft.

  A car door rail 7 is attached in a substantially horizontal direction above the car doorway. The car door roller 6 is rotatably engaged with the car door rail 7, and the pair of car door panels 4 are suspended by the car door rail 7 through the car door hanger 5 and the car door roller 6. ing. A car sill 8 is attached to the lower edge of the car doorway in a substantially horizontal direction. The car sill 8 is provided with a guide groove in the longitudinal direction, and a car guide shoe 9 attached to the lower ends of the pair of car door panels 4 is slidably engaged in the guide groove. Yes.

In addition, above the car doorway, a door motor 21 disposed near one side of the car door panel 4 opening / closing direction, a motor pulley 22 attached to a rotation shaft of the door motor 21, and rotating toward the other side of the car door panel 4 opening / closing direction. The car door mounted on one of the car door panels 4 is provided with a freely driven driven pulley 23 and an endless drive belt 24 wound around the motor pulley 22 and the driven pulley 23. The hanger 5 is locked to one side of the drive belt 24 and the car door hanger 5 attached to the other car door panel 4 is locked to the other side of the drive belt 24.
A door drive control device 30 that controls the drive of the door motor 21 is installed on the ceiling of the car 2.

  Reference numeral 10 denotes a landing provided on the floor where the car 2 stops. A landing door provided at the landing 10 is provided with a pair of landing doors in the same manner as the car door for the car doorway. ing. In other words, 11 is a landing door panel constituting the pair of landing doors, 12 is a landing door hanger, 13 is a landing door roller, and 14 is a landing door rail. The landing door roller 13 can be rolled on the landing door rail 14. The pair of landing door panels 11 are suspended by the landing door rail 14 via the landing door hanger 12 and the landing door roller 13.

A landing sill 15 is attached to the lower edge of the landing doorway in a substantially horizontal direction. The landing sill 15 is provided with a guide groove in the longitudinal direction, and a landing guide shoe 16 attached to the lower ends of the pair of landing door panels 11 is slidably engaged in the guide groove. Yes.
A connecting device 17 is attached to the platform door side of the car door panel 4 and the opposite side of the car 2 of the platform door panel 11. The connecting device 17 mechanically connects the car door panel 4 and the landing door panel 11 when the car 2 stops on the floor of the hall 10, and the car door panel 4 and the hall. The door panel 11 interlocks and opens and closes together.
In addition, at the end of the car sill 8 on the platform 10 side, when the car 2 is shifted upward with respect to the platform 10 and stopped, a user or a maintenance worker can use the hoistway 1. A front sag 18 is provided to prevent falling inside.

  However, in recent years, as so-called machine room-less elevators, in which hoisting machines are arranged in hoistways, have become popular, it is necessary to save space for elevator equipment in hoistways. Space saving and efficient space utilization are required.

  Therefore, the height of the entire car can be reduced, and it can be used in common for cars with multiple heights, and is fixed to the car body above the car doorway. A door frame extending along the front-and-rear direction of the car entrance, a first rotating body (pulley) driven by a door motor, and a second rotating body (pulley) provided on the door frame A loop-shaped circulation body (drive belt) wound around the first and second rotation bodies and circulated by the rotation of the first and second rotation bodies; and the car attached to the door frame. A door rail extending along the entrance direction of the doorway, and suspended from the door rail and connected to the circulation body, and the door array is circulated by circulation of the circulation body. And an elevator door device that opens and closes the car doorway, and the door motor is attached to the door frame so as to be positioned below the upper end of the door frame (e.g., It is also known that the door frame has an inverted L-shaped cross section and the door motor is attached to the lower part of the horizontal portion. The first motor is directly driven by the door motor (for example, Patent Documents). 1).

  Conventionally, when a car door is supported by a door hanger from the bottom, a car provided in the car for the purpose of preventing the car door from being tilted and removed due to vibration caused by an earthquake or kicking by a user. A door hanger is extended downward in the lower part of the door, and door driving means (door motor, pulley, drive belt, etc.) for moving the door hanger left and right to open and close the car door are provided under the floor of the car. An upper sliding piece provided at the upper end of the car door and projecting upward; an upper car sill provided at a position facing the upper end of the car door and extending in the opening / closing direction of the car door; There is known one provided with an upper guide groove provided on the lower surface of a car sill and slidingly engaging the upper sliding piece (see, for example, Patent Document 2).

Japanese Patent Laid-Open No. 2001-187681 JP 2003-192260 A

However, in the conventional elevator door device shown in Patent Document 1, mechanical parts such as a door hanger that suspends a car door panel in a limited space inside the door frame provided above the car doorway, The door motor for opening and closing the car door and the transmission mechanism such as the drive belt that transmits the torque of the door motor are housed, and there is a problem that there is concern about interference between devices due to the very small mounting space However, there is a problem that it is difficult to work in the assembly process and the work efficiency is lowered.
Further, in this example, since there is no place for the control device for driving the door motor in the inner space of the door frame, this control device has to be placed above the door device, resulting in the entire car There is also a problem that the height dimension may increase.

And in the conventional elevator door apparatus shown in Patent Document 2, since the door motor for opening and closing the car door is provided under the floor of the car, the height of the car itself is changed. In addition, it is necessary to change the dimensions and arrangement of the door device due to this influence, that is, the same door device can be commonly used for a plurality of height cages. However, there is a problem that the number of components increases, which is disadvantageous economically.
In addition, depending on the layout of the door device, etc., a reduction mechanism that decelerates the rotation of the door motor to an appropriate level for opening and closing the car door may protrude from the side of the car, affecting the equipment arrangement in the hoistway. There is also a problem that there is a possibility of giving.

  The present invention has been made to solve the above-described problems, and a first object is to effectively utilize the space in the arrangement of the parts constituting the door device and to have a sufficient mounting space, and Thus, an elevator door device that is easy to assemble and has good work efficiency is obtained.

  Further, the second object is that even when the height of the car itself is changed, there is no need to change the dimensions and arrangement of the door device due to this effect, and the car having a plurality of heights is not required. Therefore, the same door device can be used in common, and an elevator door device that can reduce the types of components is obtained.

  In the elevator door device according to the present invention, the car door panel provided at the car entrance provided in front of the elevator car and the car door panel suspended above the car entrance so as to be opened and closed in a substantially horizontal direction. A car door suspension means and a lower edge of the car doorway, a car sill provided on the landing side from the front surface of the car floor of the car, and the car sill below the car doorway. And a door driving device that is provided on the landing side from the front surface of the car floor and that opens and closes the car door panel.

  The present invention relates to an elevator door device, a car door panel provided at a car entrance provided in front of an elevator car, and a car that suspends the car door panel so as to be opened and closed in a substantially horizontal direction above the car entrance. A door suspension means, a lower edge portion of the car doorway, a car sill provided on the landing side from the front surface of the car floor of the car, and the car sill, below the car doorway and A door drive device that is provided on the landing side from the front of the car floor and that drives the car door panel to open and close, so that space can be effectively utilized in the placement of the components that make up the door device to provide a mounting space. There is a margin to prevent interference between devices, and the assembly work is easy and the work efficiency is good.

  In addition, even if the height of the car itself is changed, this effect does not require a change in the dimensions and arrangement of the door device, and the same door can be used for a car with multiple heights. The apparatus can be used in common, and the effect that the types of components can be reduced is also achieved.

  The present invention will be described with reference to the accompanying drawings. Throughout the drawings, the same reference numerals indicate the same or corresponding parts, and redundant description thereof will be simplified or omitted as appropriate.

Embodiment 1 FIG.
1 and 2 relate to Embodiment 1 of the present invention. FIG. 1 is a front view of an elevator door device, and FIG. 2 is a side sectional view of the elevator door device.
In the figure, reference numeral 1 denotes an elevator hoistway, and a car 2 is disposed in the hoistway 1 so as to be movable up and down. A car doorway 3 is provided on the front surface of the car 2, and a car door panel 4 constituting a pair of car doors is provided at the car doorway 3 so as to be opened and closed in a substantially horizontal direction. A car door hanger 5 is attached to the upper end of each of the car door panels 4, and a car door roller 6 is rotatably mounted on the car door hanger 5.

  A car door rail 7 is attached above the car doorway 3 along the opening / closing direction of the car door panel 4, that is, in a substantially horizontal direction. The car door roller 6 is slidably engaged with the car door rail 7. Thus, the pair of car door panels 4 are suspended by the car door rail 7 via the car door hanger 5 and the car door roller 6. Has been. Here, the car door hanger 5, the car door roller 6, and the car door rail 7 constitute car door suspending means for suspending the car door panel 4 so as to be opened and closed in a substantially horizontal direction.

  A car sill 8 that forms the lower edge of the car doorway 3 is provided along the opening / closing direction of the car door panel 4, that is, in a substantially horizontal direction, on the landing 10 side from the front surface of the car floor 2 a of the car 2. ing. The car sill 8 is provided with a guide groove in the longitudinal direction, and a car guide shoe 9 attached to the lower ends of the pair of car door panels 4 is slidably engaged in the guide groove. Yes.

  A landing 10 is provided on the floor where the car 2 stops, and a landing doorway is provided at a position of the landing 10 that faces the car entrance 3 when the car 2 stops. . The landing doorway is provided with a pair of landing doors in the same manner as the car door for the car doorway 3. That is, a landing door panel 11 constituting a pair of landing doors is provided so as to be opened and closed in a substantially horizontal direction, and landing door hangers 12 are respectively attached to upper ends of the landing door panels 11. A landing door roller 13 is rotatably mounted on the upper portion of the landing door hanger 12.

  A landing door rail 14 is attached above the landing doorway along the opening / closing direction of the landing door panel 11, that is, in a substantially horizontal direction. The landing door roller 13 is movably engaged with the landing door rail 14, and thus the pair of landing door panels 11 are suspended by the landing door rail 14 via the landing door hanger 12 and the landing door roller 13. Has been.

A landing sill 15 is attached to the lower edge of the landing doorway in the opening / closing direction of the landing door panel 11, that is, in a substantially horizontal direction. The landing sill 15 is provided with a guide groove in the longitudinal direction, and the landing guide shoe 16 attached to the lower ends of the pair of landing door panels 11 is slidably engaged in the guide groove. ing.
A connecting device 17 is attached to the platform door side of the car door panel 4 and the opposite side of the car 2 of the platform door panel 11. The connecting device 17 mechanically connects the car door panel 4 and the landing door panel 11 when the car 2 stops on the floor of the hall 10, and the car door panel 4 and the hall. The door panel 11 interlocks and opens and closes together.
In addition, at the end of the car sill 8 on the platform 10 side, when the car 2 is shifted upward with respect to the platform 10 and stopped, a user or a maintenance worker can use the hoistway 1. A front sag 18 is provided to prevent falling inside.

A region below the car sill 8, on the platform 10 side from the front surface of the car floor 2a of the car 2, and on the car 2 side from the wall surface of the hoistway 1 below the landing doorway (the second in FIG. 2). 1, i.e., an area within the width of the car sill 8 in the front-rear direction, a door driving device 19 for opening and closing the car door panel 4 is disposed.
The door drive device 19 includes a substantially L-shaped outer frame 20 in a side view provided in the opening / closing direction of the car door panel 4 below the car sill 8, and the car door panel 4 opening / closing direction of the outer frame 20. A door motor 21 disposed near one side, a motor pulley 22 attached to a rotation shaft of the door motor 21, a driven pulley 23 pivotally attached to the other side of the car door panel 4 in the opening / closing direction of the outer frame 20, and The endless drive belt 24 is wound around the motor pulley 22 and the driven pulley 23.

At the lower part of the pair of car door panels 4, door grips 25 are provided so as to project downward, and one of the door grips 25 has a lower end on one side of the drive belt 24 and the other. Are respectively engaged with the other side of the drive belt 24.
When the door motor 21 rotates, the motor pulley 22 rotates and the drive belt 24 is circulated, and the car door panel 4 is driven to open and close via the door grip 25 by the circulation drive of the drive belt 24. . At this time, the car door panel 4 and the landing door panel 11 are interlocked and opened and closed together by the connecting device 17 as described above.

  Here, the door motor 21 and the driven pulley 23 are in the first region 26 and outside the line extending from the left and right ends of the car doorway 3 (in FIG. 1). It is arranged in the second region 27).

  In the elevator door apparatus configured as described above, the car door panel provided at the car doorway is suspended by the car door suspension means so that it can be opened and closed in a substantially horizontal direction above the car doorway. By providing a door drive device that opens and closes below the car doorway, space is effectively used in the arrangement of the components that make up the door device, and there is room in the mounting space, preventing interference between devices in advance. Assembling work is easy and work efficiency is improved.

  In addition, this door drive device is formed at the lower edge of the car entrance and is located below the car entrance and on the landing side from the front of the car floor. Even if the height of the car itself is changed, it affects the structure of the door drive, that is, the size and arrangement of the door motor and drive belt, and the size of the door grip that connects this to the car door panel. Does not reach. Therefore, it is not necessary to change the dimensions and arrangement of the door device due to this influence, and the same door device can be used in common for a plurality of height passenger cars. The types of parts can be reduced.

  Furthermore, usually, just under the car doorway, foreign matter such as mud and dust that adheres to the user's shoes that pass through the car doorway is likely to fall, so the door motor that drives the door drive device is extended at the left and right ends of the car doorway. By arranging it outside the line, it is possible to prevent such a foreign matter from adhering to the door motor and causing a failure of the door motor.

Embodiment 2. FIG.
FIG. 3 relates to Embodiment 2 of the present invention and is a side sectional view of an elevator door device.
In the first embodiment described above, the door drive device itself includes the outer frame, and the door drive device and the car sill are provided separately from each other. However, the second embodiment described here is described above. In the configuration of the first embodiment, the car sill is used as the outer frame of the door drive device, and the door drive device and the car sill are integrally provided.

That is, as shown in FIG. 3, the car sill 8 has a substantially L shape in a side view, the door driving device 19 does not include the outer frame 20, and the door motor 21 and the driven pulley 23 are directly It is attached to the car sill 8.
Other configurations are the same as those in the first embodiment.

In the elevator door device configured as described above, the same effect as that of the first embodiment can be obtained, and the car sill is also used as the outer frame of the door drive device. By providing the sill integrally, the outer frame of the door drive device can be omitted and the number of components can be reduced.
In addition, the structure which omits the outer frame of a door drive device by attaching the said door motor 21 directly to the front surface etc. of the said car floor 2a is also possible.

Embodiment 3 FIG.
4 and 5 relate to Embodiment 3 of the present invention. FIG. 4 is a front view of an elevator door device, and FIG. 5 is a side sectional view of the elevator door device.
In the second embodiment described here, in the configuration of the first embodiment or the second embodiment described above, the door drive device, that is, the door drive control device for controlling the drive of the door motor is arranged in the car, specifically in the car. It is designed to be stored in the casing of the operation panel.

  On the side of the car entrance 3 in the car 2, a door opening / closing operation is performed when the elevator user presses a destination floor button for registering a destination floor call or when the elevator user presses it. An in-car operation panel 29 on which an in-car operation button 29a such as a door open / close button is mounted is installed. Then, the operation information of the in-car operation button 29a is taken into the back side position of the in-car operation button 29a in the housing of the in-car operation panel 29, and the in-car operation button 29a is based on this operation information. A button control device 29b for controlling the lighting operation and the like is housed.

In addition, a door drive control device 30 that controls the drive of the door drive device 19, that is, the door motor 21, is housed at a lower position in the housing of the in-car operation panel 29. The door drive control device 30, the button control device 29b, and the door motor 21 are electrically connected, and the door drive control device 30 receives the operation information of the operation button 29a in the car from the button control device 29b. Based on this, the door opening / closing operation of the car door panel 4 is controlled. Of course, the door drive control device 30 also controls the door opening / closing operation of the car door panel 4 based on a command from an elevator control device (not shown) that controls the overall operation of the elevator.
Other configurations are the same as those in the first embodiment.

  In the elevator door device configured as described above, in addition to being able to achieve the same effects as those of the first embodiment or the second embodiment, the elevator door device is provided in the passenger car, and the elevator user can By storing the door drive control device that controls the drive of the door drive device in the case of the operation panel in the car to be operated, it is not necessary to provide a new case for the door drive control device, and the number of components can be reduced. The door drive control device can be arranged at a position where the maintenance work can be easily performed while effectively reducing the space in the car.

Embodiment 4 FIG.
FIG. 6 relates to Embodiment 4 of the present invention and is a front view of an elevator door device.
In the fourth embodiment described here, in the configuration of the first to third embodiments described above, an inspection window for performing the maintenance inspection work of the door drive device is provided on the front hanging that covers the front side of the door drive device on the landing side. It is intended to be provided.

  That is, an inspection window 18a that is an opening provided with a cover that is detachably or closably openable and closable is provided on the front surface of the front sag 18, and the other configuration is the same as that of the first embodiment. In a normal state, the front sag 18 protects the transmission mechanism and the like in the door drive device 19 with the cover attached or closed, and when maintenance or inspection is required, the cover is removed. As a closed state or an open state, maintenance and inspection work for the door driving device 19 is performed from the inspection window 18a.

  In the elevator door device configured as described above, in addition to being able to achieve the same effects as those of the first to third embodiments, the elevator door device is provided on the landing side of the door driving device of the passenger car. By providing an inspection window for performing a maintenance / inspection operation of the door drive device on the front sag, the maintenance / inspection operation of the door drive device can be performed easily and safely without removing the front sag.

1 is a front view of an elevator door device according to Embodiment 1 of the present invention. It is side surface sectional drawing of the door apparatus of the elevator in Embodiment 1 of this invention. It is side surface sectional drawing of the door apparatus of the elevator in Embodiment 2 of this invention. It is a front view of the door apparatus of the elevator in Embodiment 3 of this invention. It is side surface sectional drawing of the door apparatus of the elevator in Embodiment 3 of this invention. It is a front view of the door apparatus of the elevator in Embodiment 4 of this invention. It is side surface sectional drawing of the door apparatus of the conventional elevator.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Passenger car 2a Car floor 3 Car doorway 4 Car door panel 5 Car door hanger 6 Car door roller 7 Car door rail 8 Car sill 9 Car guide shoe 10 Platform 11 Platform door panel 12 Platform door hanger 13 Platform door roller 14 Platform door roller 14 16 landing guide shoe 17 connecting device 18 front hanging 18a inspection window 19 door drive device 20 outer frame 21 door motor 22 motor pulley 23 driven pulley 24 drive belt 25 door grip 26 first region 27 second region 29 in-car operation panel 29a in the car Operation button 29b Button control device 30 Door drive control device

Claims (5)

A car door panel provided at the car entrance provided in front of the elevator car;
Above the car doorway, car door hanging means for hanging the car door panel so that it can be opened and closed in a substantially horizontal direction;
Forming a lower edge of the car doorway, and a car sill provided on the landing side from the front of the car floor of the car;
An elevator door device comprising: a door driving device that is provided below the car doorway and on the landing side of the car floor from the front surface of the car floor and that drives the car door panel to open and close.   The door device for an elevator according to claim 1, wherein a door motor for driving the door driving device is disposed outside a line extending from both left and right ends of the car doorway.   3. The car sill is used as an outer frame of the door driving device, and the door driving device and the car sill are provided integrally. The elevator door device described in 1. An in-car operation panel provided in the car and operated by a user of the elevator;
The elevator according to any one of claims 1 to 3, further comprising: a door drive control device that is provided in a housing of the in-car operation panel and performs drive control of the door drive device. Door device. A front hanging of the car provided on the landing side of the door driving device;
The elevator door device according to any one of claims 1 to 4, further comprising: an inspection window provided on the front sag to perform maintenance and inspection work of the door driving device.

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