JP2002104756A - Landing door device for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a landing door device for an elevator which can be easily installed in a narrow horizontal projection surface by constituting a sliding door always energized in a closing direction. SOLUTION: The sliding door 8 opening/closing a gate 2 of a landing 1 is provided, a drive streak unit 21 connected to the sliding door 8 is towed by elastic energy accumulated in a spring, a door closing energizing mechanism 20 energizing the sliding door 8 in a closing direction is provided in an edge part of the gate 2. In this way, the sliding door 8 is energized in a closing direction by the drive streak unit 21 of the door closing energizing mechanism 20 provided in a member constituting the edge part of the gate 2. Consequently, a required space in a horizontal projection surface in a direction along a thickness direction of the sliding door 8, that is, an in/out direction of the gate 2, is reduced, an elevator can be installed in a small cross sectional space of a hoist way, a cost of installation is reduced by improving building space efficiency installing the elevator.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a landing door device for an elevator in which a sliding door for opening and closing a doorway of a landing is constantly biased in a door closing direction.

[0002]

2. Description of the Related Art FIG. 13 and FIG.
FIG. 13 is a diagram showing a landing door device of a conventional elevator similar to the configuration shown in Japanese Patent Application Publication No. -279235, FIG. 13 is a front view of a hoistway side, and FIG. 14 is a side view of FIG. In the figure, reference numeral 1 denotes a landing provided on an elevator shaft, 2
Reference numeral 3 denotes a hanger case having an upper edge portion of the entrance 2, and reference numeral 3 denotes a hoistway structure having a longitudinally arranged vertical direction.

[0005] Reference numeral 5 denotes a support structure that is fixed to one side of the structure 4 to support the hanger case 3, 6 denotes a door stop column that forms an edge of the door 2 on the door stop side, and 7 denotes a lower edge of the door 2 Is a high-speed sliding door, and the lower part is guided by the sill 7 and slides, and the hanger 9 is provided on the upper part, and the hanger roller of the hanger 9 is attached to the hanger case 3 (not shown). It rolls while being guided by the provided rail, and closes the left half of the entrance 2 in FIG. 13 when the door is closed.

[0004] Reference numeral 10 denotes a low-speed sliding door, the lower part of which is guided by the sill 7 and slides, and the hanger 11 is provided on the upper part, which is not shown. When the door is closed, the right half of the doorway 2 in FIG. 13 is closed when the door is closed. Reference numeral 12 denotes an interlocking arm formed on the hanger 11 of the low-speed sliding door 10 and protruding in the direction of the door stop column 6, and pulleys 13 are pivotally mounted at both ends.

Reference numeral 14 denotes a connection fitting provided on the hanger case 3, and reference numeral 15 denotes an interlocking rope, one end of which is connected to the connection fitting 14 and wound around one pulley 13 and then wound around the other pulley 13. The other end is connected to the connection fitting 14. Reference numeral 16 denotes a gripping metal, one side of which is fixed to the hanger 9 of the high-speed sliding door 8 and the other side grips the lower side of the interlocking rope 15.

Reference numeral 17 denotes a mounting bracket provided on the hanger case 3, and reference numeral 18 denotes a door closing biasing mechanism provided on the hanger 9 of the high-speed sliding door 8, which is connected to the mounting bracket 17 by elastic energy stored in a spring. The strip 19 is pulled, and the high-speed sliding door 8 is constantly biased in the door closing direction.

[0007] The conventional elevator landing door device is constructed as described above, and is moved from the state shown in FIG.
Is driven to open the door, the interlocking arm 12 is pushed in the door opening direction via the pulley 13 by the movement of the interlocking rope 15. As a result, the low speed sliding door 10 performs the door opening operation at half the speed of the high speed sliding door 8. The high-speed sliding door 8 is a door closing biasing mechanism 1.
8 is always urged in the door closing direction.

Although not shown, the high-speed sliding door 8 is engaged with the elevator car door, and the high-speed sliding door 8 is opened and closed by the opening and closing operation of the car door.
The low-speed sliding door 10 opens and closes in conjunction with each other. In such a configuration, for example, when the car rises and falls unexpectedly,
When the engagement between the high-speed sliding door 8 and the car door is released,
The high-speed sliding door 8 is driven in the door-closing direction by the function of the door-closing urging mechanism 18 so as to close the entrance 2 together with the low-speed sliding door 10.

[0009]

In the conventional elevator landing door apparatus as described above, the door closing biasing mechanism 18 is mounted on the hanger 9 of the high-speed sliding door 8 and is arranged in a state of being overlapped on the hanger 9 surface. . Therefore, the required space on the horizontal projection plane in the thickness direction of the high-speed sliding door 8, that is, the direction along the entrance / exit direction of the entrance / exit 2 increases. Therefore, there is a problem that the space required for installation in the cross section of the hoistway increases, and the space efficiency of the building in which the elevator is provided decreases.

The present invention has been made to solve such a problem, and has an arrangement in which a sliding door is constantly biased in a door closing direction, and can be easily installed on a narrow horizontal projection surface. The purpose is to obtain a landing door device.

[0011]

SUMMARY OF THE INVENTION In a landing door apparatus for an elevator according to the present invention, a sliding door for opening and closing an entrance provided at the landing, and a sliding door provided at an edge portion of the entrance using elastic energy stored in a spring. And a door closing urging mechanism for urging the sliding door in the door closing direction by pulling the driving strip connected to the door.

Further, in the elevator landing door device according to the present invention, a door closing biasing mechanism is provided on a member which constitutes an edge of the entrance and which is arranged upright at an edge on the door stop side of the entrance. .

In the landing door apparatus for an elevator according to the present invention, a door closing biasing mechanism is provided at an end on a door stop side of a hanger case constituting an edge of the entrance.

In the elevator hall door apparatus according to the present invention, a door closing biasing mechanism is mounted on a hoistway structure which is arranged at an edge of the entrance and is provided at an edge on a door stop side of the entrance. Is done.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 and 2
FIG. 1 is a view showing an example of an embodiment of the present invention. FIG. 1 is a front view of a hoistway side, and FIG. 2 is a side view of FIG. In the figure,
Reference numeral 1 denotes a landing provided on the hoistway of the elevator, 2 denotes an entrance of the landing 1, 3 denotes a hanger case forming an upper edge of the entrance 2, and 4 denotes a hoistway structure having a longitudinally arranged vertical direction. .

Reference numeral 5 denotes a support structure which is fixed to one side of the structure 4 and supports the hanger case 3; 6 denotes a door stop column which forms an edge on the door stop side of the doorway 2; 7 denotes a lower edge of the doorway 2 Is a high-speed sliding door, and the lower part is guided by the sill 7 and slides, and the hanger 9 is provided on the upper part, and the hanger roller of the hanger 9 is attached to the hanger case 3 (not shown). Rolls are guided by the provided rails, and close the left half of the entrance 2 in FIG. 1 when the door is closed.

Numeral 10 denotes a low-speed sliding door, the lower part of which is guided by the sill 7 and slides, and the upper part of which is provided with a hanger 11 (not shown). The hanger roller of the hanger 11 is provided in the hanger case 3. When the door is closed, the right half of the doorway 2 in FIG. 1 is closed when the door is closed. Reference numeral 12 denotes an interlocking arm formed on the hanger 11 of the low-speed sliding door 10 and protruding in the direction of the door stop column 6, and pulleys 13 are pivotally mounted at both ends.

Reference numeral 14 denotes a connecting bracket provided on the hanger case 3, and reference numeral 15 denotes an interlocking rope. One end is connected to the connecting bracket 14 and wound around the pulley 13 on one side, and then wound on the pulley 13 on the other side. The other end is connected to the connection fitting 14. Reference numeral 16 denotes a gripping metal, one side of which is fixed to the hanger 9 of the high-speed sliding door 8 and the other side grips the lower side of the interlocking rope 15.

Reference numeral 20 denotes a door closing biasing mechanism provided at an intermediate position in the height direction of the door stop post 6, and a driving strip 21 connected to the hanger 9 of the high speed sliding door 8 by elastic energy stored in a spring. The high speed sliding door 8 is urged in the door closing direction. Reference numeral 22 denotes a pulley pivotally attached to an end of the hanger case 3 on the door stop side, and converts the extending direction of the driving strip 21 from a vertical direction to a horizontal direction.

In the elevator landing door apparatus constructed as described above, the high-speed sliding door 8 is moved from the state shown in FIG.
Is driven to open the door, the interlocking arm 12 is pushed in the door opening direction via the pulley 13 by the movement of the interlocking rope 15. As a result, the low speed sliding door 10 performs the door opening operation at half the speed of the high speed sliding door 8. The high-speed sliding door 8 is a door closing biasing mechanism 2.
By 0, it is always urged in the door closing direction.

Although not shown, the high-speed sliding door 8 is engaged with the elevator car door, and the high-speed sliding door 8 is opened and closed by opening and closing the car door.
The low-speed sliding door 10 opens and closes in conjunction with each other. In such a configuration, for example, when the car rises and falls unexpectedly,
When the engagement between the high-speed sliding door 8 and the car door is released,
The high speed sliding door 8 is driven in the door closing direction by the function of the door closing urging mechanism 20 to close the entrance 2 together with the low speed sliding door 10.

In the configuration shown in FIGS. 1 and 2, the door closing urging mechanism 20 is provided on the door stop post 6, that is, a member constituting the edge of the entrance 2 and arranged in an upright state. Then, the high-speed sliding door 8 is urged through the driving strip 21 in the door closing direction. Therefore, in the thickness direction of the high-speed sliding door 8,
That is, the space required for installation on the horizontal projection plane in the direction along the entrance and exit of the entrance 2 can be reduced. Therefore, since the elevator can be installed in a cross-sectional space with a small number of hoistways, the space efficiency of the building where the elevator is installed can be improved, and the installation cost of the elevator can be reduced.

Further, since the door closing urging mechanism 20 is mounted on the edge of the entrance 2, the high-speed sliding door 8 becomes lighter, and the capacity of the motor of the opening / closing drive mechanism (not shown) can be reduced. Costs can be saved. In addition, since the high-speed sliding door 8 is lightweight, installation work can be saved, and installation cost can be reduced.

Embodiment 2 FIG. 3 and 4 are views showing an example of another embodiment of the present invention. FIG. 3 is a front view of a hoistway side, and FIG. 4 is a side view of FIG. In the drawings, the same reference numerals as those in FIGS. 1 and 2 denote the corresponding parts, and reference numeral 20 denotes a door closing biasing mechanism provided at an end on the door stop side of the hanger case 3, which uses elastic energy stored in a spring. The driving strip 21 connected to the hanger 9 of the high-speed sliding door 8 is pulled to urge the high-speed sliding door 8 in the door closing direction.

In the elevator landing door apparatus constructed as described above, the high-speed sliding door 8 and the low-speed sliding door 10 are driven to open and close as in the embodiment of FIGS. Reference numeral 20 denotes an end of the hanger case 3 on the door stop side, that is, a member constituting an edge of the entrance 2. Therefore, detailed description is omitted, but FIG.
Also, in the embodiment of FIG. 4, the same operation as the embodiment of FIGS. 1 and 2 can be obtained.

Embodiment 3 FIG. 5 and 6 also show another example of the embodiment of the present invention. FIG. 5 is a front view of the hoistway, and FIG. 6 is a side view of FIG. In the drawings, the same reference numerals as those in FIG. 1 and FIG. 2 denote corresponding parts, and reference numeral 20 denotes a door closing biasing mechanism provided in the hoistway structure 4 on the door stop side of the doorway 2, which is stored in a spring. The driving strut 21 connected to the hanger 9 of the high-speed sliding door 8 is pulled by the elastic energy to urge the high-speed sliding door 8 in the door closing direction.

In the elevator landing door apparatus constructed as described above, the high-speed sliding door 8 and the low-speed sliding door 10 are driven to open and close as in the embodiment of FIGS. Reference numeral 20 denotes the hoistway structure 4 on the door stop side of the doorway 2, that is, the member that forms the edge of the doorway 2. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIGS.

Embodiment 4 7 and 8 also show another embodiment of the present invention. FIG. 7 is a front view of the hoistway, and FIG. 8 is a side view of FIG. In the drawings, the same reference numerals as those in FIGS. 1 and 2 denote corresponding parts, and reference numeral 20 denotes a door closing biasing mechanism, one side of which is fixed to a structure 4 disposed on the door stop side of the entrance 2 and a hanger case 3. The high-speed sliding door 8 is urged in the closing direction by pulling the driving strip 21 connected to the hanger 9 of the high-speed sliding door 8 by the elastic energy stored in the spring.

In the elevator landing door apparatus constructed as described above, the high-speed sliding door 8 and the low-speed sliding door 10 are driven to open and close as in the embodiment of FIGS. Reference numeral 20 denotes a support structure 5 disposed on the door stop side of the doorway 2, that is, a member constituting an edge of the doorway 2. Accordingly, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIGS.

Embodiment 5 9 and 10 also show an example of another embodiment of the present invention. FIG. 9 is a front view of the hoistway, and FIG. 10 is a side view of FIG. In the figure,
1 and 2 denote corresponding parts, and reference numeral 20 denotes a door closing biasing mechanism provided on a building wall 23 forming an edge on the door stop side of the doorway 2, and an elasticity stored in a spring. The driving strip 21 connected to the hanger 9 of the high-speed sliding door 8 is pulled by the energy to urge the high-speed sliding door 8 in the door closing direction.

In the elevator landing door apparatus constructed as described above, the high-speed sliding door 8 and the low-speed sliding door 10 are driven to open and close as in the embodiment of FIGS. Reference numeral 20 denotes an architectural wall 23 that forms an edge of the doorway 2 on the door stop side, that is, a member that forms an edge of the doorway 2 and is provided on a member that is arranged in an upright state. Therefore, although detailed description is omitted, the same operation as the embodiment of FIGS. 1 and 2 can be obtained in the embodiment of FIGS.

Embodiment 6 FIG. 11 and 12 also show an example of another embodiment of the present invention. FIG. 11 is a front view of a hoistway side, and FIG. 12 is a side view of FIG. In the figure, the same reference numerals as those in FIG. 1 and FIG.
Reference numeral 20 denotes a door closing biasing mechanism provided at an end of the hanger case 3 on the door stop side, and a driving strip 21 which is towed by elastic energy stored in a spring is provided.

Numeral 22 denotes a pulley, which is pivotally mounted on the edge of the hanger case 3 on the door stop side, and whose rotation axis is inclined with respect to the horizontal line as shown in FIG. I have. Further, the driving strip 21 is connected to the hanger 9 of the high-speed sliding door 8 and is pulled to urge the high-speed sliding door 8 in the door closing direction.

In the landing door device of the elevator constructed as described above, the high-speed sliding door 8 and the low-speed sliding door 10 are driven to open and close similarly to the embodiment of FIGS. 1 and 2, and the door closing biasing mechanism. Reference numeral 20 denotes an end of the hanger case 3 on the door stop side, that is, a member constituting an edge of the entrance 2. Therefore, although detailed description is omitted, FIG.
Also in the embodiment of FIG. 1 and FIG. 13, the same operation as the embodiment of FIG. 1 and FIG. 2 can be obtained.

[0035]

As described above, the present invention provides a sliding door for opening and closing an entrance provided at a landing, and a driving strip connected to an edge of the entrance by elastic energy stored in a spring and connected to the sliding door. And a door closing urging mechanism for urging the sliding door in the door closing direction.

Accordingly, the door closing urging mechanism is provided on the member constituting the edge of the entrance, and the sliding door is urged in the door closing direction via the driving strip. For this reason, it is possible to reduce the required space on the horizontal projection plane in the thickness direction of the sliding door, that is, in the direction along the entrance direction of the entrance. Therefore, the elevator can be installed in a cross-sectional space with a small number of hoistways, and the space efficiency of the building where the elevator is installed can be improved, and the installation cost of the elevator can be reduced. In addition, since the door closing biasing mechanism is attached to the edge of the entrance, the sliding door becomes lighter, and the capacity of the electric motor of the opening and closing drive mechanism for the sliding door can be reduced, which has the effect of reducing manufacturing costs and operating costs. By reducing the weight, the installation work can be saved and the installation cost can be reduced.

Further, as described above, the present invention is such that a door closing biasing mechanism is provided on a member which constitutes an edge of an entrance and is arranged upright at an edge on a door stop side of the entrance. .

Thus, the door closing urging mechanism is provided on the member which constitutes the door stop side edge of the entrance and is arranged in the upright state, and the sliding door is urged in the door closing direction via the driving strip. You. For this reason, it is possible to reduce the required space on the horizontal projection plane in the thickness direction of the sliding door, that is, in the direction along the entrance direction of the entrance. Therefore, the elevator can be installed in a cross-sectional space with a small number of hoistways, and the space efficiency of the building where the elevator is installed can be improved, and the installation cost of the elevator can be reduced. In addition, since the door closing biasing mechanism is attached to the edge of the entrance, the sliding door becomes lighter, and the capacity of the electric motor of the opening and closing drive mechanism for the sliding door can be reduced, which has the effect of reducing manufacturing costs and operating costs. By reducing the weight, the installation work can be saved and the installation cost can be reduced.

Further, as described above, the present invention is such that the door closing biasing mechanism is provided at the end on the door stop side of the hanger case constituting the edge of the entrance.

Thus, the door closing urging mechanism is provided at the door stop side end of the hanger case forming the edge of the entrance, and the sliding door is urged in the door closing direction via the driving strip. For this reason, it is possible to reduce the required space on the horizontal projection plane in the thickness direction of the sliding door, that is, in the direction along the entrance direction of the entrance. Therefore, the elevator can be installed in a cross-sectional space with a small number of hoistways, and the space efficiency of the building where the elevator is installed can be improved, and the installation cost of the elevator can be reduced. In addition, since the door closing biasing mechanism is attached to the edge of the entrance, the sliding door becomes lighter, and the capacity of the electric motor of the opening and closing drive mechanism for the sliding door can be reduced, which has the effect of reducing manufacturing costs and operating costs. By reducing the weight, the installation work can be saved and the installation cost can be reduced.

Further, as described above, the present invention is such that a door closing biasing mechanism is mounted on a hoistway structure provided at an edge of an entrance and provided at an edge on a door stop side of an entrance. is there.

Thus, the door closing biasing mechanism is disposed at the edge of the doorway and provided on the hoistway structure provided at the edge of the doorway on the door stop side. It is urged in the door closing direction. For this reason, it is possible to reduce the required space on the horizontal projection plane in the thickness direction of the sliding door, that is, in the direction along the entrance direction of the entrance. Therefore, the elevator can be installed in a cross-sectional space with a small number of hoistways, and the space efficiency of the building where the elevator is installed can be improved, and the installation cost of the elevator can be reduced. In addition, since the door closing biasing mechanism is attached to the edge of the entrance, the sliding door becomes lighter, and the capacity of the electric motor of the opening / closing drive mechanism for the sliding door can be reduced, which has the effect of reducing manufacturing costs and operating costs. Since the weight of the sliding door is reduced, the installation work can be saved and the installation cost can be reduced.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, and is a front view of a hoistway side.

FIG. 2 is a side view of FIG.

FIG. 3 shows the second embodiment of the present invention, and is a front view of a hoistway side.

FIG. 4 is a side view of FIG. 3;

FIG. 5 shows the third embodiment of the present invention, and is a front view of a hoistway side.

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a view showing a fourth embodiment of the present invention, and is a front view of a hoistway side.

FIG. 8 is a side view of FIG. 7;

FIG. 9 is a view showing a fifth embodiment of the present invention, and is a front view of a hoistway side.

FIG. 10 is a side view of FIG. 9;

FIG. 11 is a view showing a sixth embodiment of the present invention, and is a front view of a hoistway side.

FIG. 12 is a side view of FIG. 11;

FIG. 13 is a diagram showing a landing door device of a conventional elevator, and is a front view of a hoistway side.

FIG. 14 is a side view of FIG.

[Explanation of symbols]

1 landing, 2 entrances, 3 hanger cases, 4 structures, 5 supporting structures, 8 high-speed sliding doors (sliding doors), 20
Door closing biasing mechanism, 21 drive striations.

Claims (4)

[Claims] 1. A sliding door for opening and closing an entrance provided at a landing, and a driving strip connected to the sliding door is pulled by elastic energy provided at an edge of the entrance and stored in a spring. An elevator landing door device including a door closing urging mechanism for urging in a door closing direction. 2. The door closing biasing mechanism is provided on a member which constitutes an edge of an entrance and is disposed in an upright state at an edge on a door stop side of the entrance. Item 1
A landing door device for an elevator according to the above. 3. A landing door apparatus for an elevator according to claim 1, wherein the door closing biasing mechanism is provided at an end on a door stop side of a hanger case constituting an edge of the entrance. . 4. The door closing urging mechanism is mounted on a hoistway structure provided at an edge of the doorway and provided at an edge of the doorway on the door stop side. The landing door device for an elevator according to claim 1.