JP2013189294A - Door device of elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door device of an elevator by which a size can be reduced in a frontage direction of an entrance and a space needed for moving a door can be reduced.SOLUTION: A car side door rail 14 arranged in an upper part of a car entrance 3 has a main rail part 14a and an inclining rail part 14b extending outward in a frontage direction of the car entrance 3 while inclining from the end part of the main rail part 14a to a depth direction of the car entrance 3. A car door 15 has a plurality of panel members 16 turnably coupled with each other and supported with the car side door rail 14 respectively. The car door 15 can displace between a door close position where each panel member 16 closes the car entrance 3 while being supported by the main rail part 14a and a door open position where a part of panel members 16 of the panel members 16 are supported by the main rail part 14a and the remaining panel members 16 open the car entrance 3 while being supported to by the inclining rail part 14b.

Description

  The present invention relates to an elevator door device that opens and closes an entrance by moving a door.

  2. Description of the Related Art Conventionally, an elevator folding door apparatus has been proposed in which a car doorway is opened and closed by a folding door that can be folded by connecting a plurality of plates in a rotatable manner. The car doorway is opened and closed as the folding door moves toward the front door of the car doorway. The folding door moves while being folded when the car doorway is opened, and moves while unfolding when the car doorway is closed. Thus, conventionally, by folding the folding door when the car doorway is open, the size of the elevator folding door device is reduced in the entrance direction of the car doorway, and the width direction of the hoistway is reduced. The size has been reduced (see Patent Document 1).

Japanese Unexamined Patent Publication No. 53-2846

  However, in the conventional elevator folding door device, the folding door moves while being folded, so that when the folding door is moving, each plate of the folding door will protrude in the depth direction of the car doorway. . Accordingly, it is necessary to secure a space protruding in the depth direction within the range of the car doorway for the movement of the door.

  The present invention has been made to solve the above-described problems, and can reduce the size of the entrance / exit opening and reduce the space necessary for moving the door. The object is to obtain an elevator door device that can be used.

  The elevator door device according to the present invention includes a main rail portion along the entrance direction of the entrance and an inclined rail portion extending outward from the end portion of the main rail portion while being inclined in the depth direction of the entrance. A door rail provided at the upper part of the doorway, and a plurality of panel members that are pivotally connected to each other and supported by the door rail, and each panel member is supported by the main rail portion and closes the doorway Located in the closed position and on the outer side of the doorway from the door closed position, and among the panel members, some panel members are supported by the main rail part, and the remaining panel members are supported by the inclined rail part The door is displaceable between the door open position where the doorway is opened.

  According to the elevator door device according to the present invention, when the door is in the door open position, a part of the door can be bent in the depth direction of the doorway, and the size of the door device can be reduced in the doorway direction. be able to. Further, it is possible to prevent the panel members from projecting in the depth direction of the doorway when the door is moving, and it is possible to reduce the space necessary for moving the door.

1 is a schematic perspective view showing an elevator according to Embodiment 1 of the present invention. It is a perspective view which shows the car door apparatus of FIG. It is a perspective view which shows the state which the car door apparatus of FIG. 2 has opened the car doorway. It is a perspective view which shows the upper part of the car door apparatus of FIG. It is a block diagram which shows the door hanger of FIG. It is a perspective view which shows the connection part of the telescopic link of FIG. 2, and a panel member. It is a perspective view which shows the connection part of the telescopic link of FIG. 2, and the cage | basket | car side vertical column. It is a block diagram which shows the lower part of the car door apparatus of FIG. It is a block diagram which shows the leg of the door of Fig.8 (a). It is a perspective view which shows the landing door apparatus when it sees from the hoistway side of FIG. It is a perspective view which shows the state in which the boarding door apparatus of FIG. 10 has opened the boarding doorway. It is a perspective view which shows the upper part of the landing door apparatus of FIG. It is a top view which shows the boarding threshold of FIG. FIG. 3 is a schematic diagram showing a state immediately before the car-side engaging device engages with the landing-side engaging device after the car door of FIG. 2 starts moving from the door-closed position to the door-opening side. FIG. 15 is a schematic diagram illustrating a state where the car side engagement device and the landing side engagement device of FIG. 14 are engaged with each other. It is a perspective view which shows the other example of the car door apparatus by Embodiment 1 of this invention.

Preferred embodiments of the present invention will be described below with reference to the drawings.
Embodiment 1 FIG.
1 is a schematic perspective view showing an elevator according to Embodiment 1 of the present invention. In the figure, a car 2 is provided in a hoistway 1 so as to be able to move up and down. The car 2 is moved up and down in the hoistway 1 by a driving force of a hoisting machine (drive device) (not shown). The car 2 is provided with a car entrance 3. Further, the car 2 is provided with a car door device 4 that opens and closes the car entrance 3.

  The hall 5 on each floor is provided with a hall entrance 7 surrounded by a three-way frame 6. The hall entrance 7 communicates the hall 5 and the hoistway 1. On each floor, a landing door device 8 for opening and closing the landing doorway 7 is provided.

  When the car 2 is stopped at any one of the floors, the car doorway 3 and the landing doorway 7 are opened and closed simultaneously with the car door device 4 and the landing door device 8 facing each other.

  FIG. 2 is a perspective view showing the car door device 4 of FIG. FIG. 3 is a perspective view showing a state in which the car door device 4 of FIG. Further, FIG. 4 is a perspective view showing an upper portion of the car door device 4 of FIG. As shown in FIGS. 2 and 3, a car sill 11 is disposed horizontally at the lower part of the car doorway 3. The car sill 11 is fixed to the front end of the floor of the car 2. A pair of car-side vertical columns 12 extending upward from the car sill 11 are fixed to both ends of the car sill 11. Therefore, the position of each car-side vertical column 12 is fixed with respect to the car entrance 3. Each of the car-side vertical columns 12 is disposed on both sides of the car entrance 3 with respect to the opening direction of the car entrance 3.

  A car door beam 13 is fixed between upper ends of the car-side vertical columns 12. Therefore, the car door girder 13 is supported by the car sill 11 via the car side vertical columns 12.

  A car-side door rail 14 is fixed horizontally to the car door girder 13. Thereby, the car side door rail 14 is provided in the upper part of the car doorway 3. The car-side door rail 14 is a pair of main rails 14 a extending along the front direction of the car doorway 3, and a pair of ends extending from the both ends of the main rail part 14 a toward the outer side of the car doorway 3 while being inclined in the depth direction of the car doorway 3. And an inclined rail portion 14b. Each inclined rail portion 14b is inclined from the end of the main rail portion 14a toward the car 2 side. A boundary portion between each of the inclined rail portions 14b and the main rail portion 14a is a curved portion that is smoothly bent.

  A pair of car doors 15 are suspended from the car-side door rail 14. Each car door 15 includes a door panel 17 that opens and closes the car doorway 3, and a plurality (two in this example) of door hangers 18 that are fixed to the upper portion of the door panel 17 and are hung on the car-side door rail 14. .

  Each door panel 17 has a plurality (two in this example) of panel members 16 that are rotatably connected to each other by the hinge 10 (FIG. 3). The panel members 16 are sequentially arranged in the length direction of the door rail 14. The door hanger 18 is individually fixed to the upper end portion of each panel member 16. Thus, each panel member 16 is supported by the car-side door rail 14 via the door hanger 18.

  Each car door 15 has a door closing position (FIG. 2) for closing the car doorway 3 and a door opening position (FIG. 3) for opening the car doorway 3 that is located on the outer side of the car doorway 3 from the door closing position. It is possible to move while being guided by the car-side door rail 14.

  When the car door 15 is in the door closed position, as shown in FIG. 2, all the panel members 16 of the car door 15 are supported by the main rail portion 14a. Therefore, when the car door 15 is in the door-closed position, the panel members 16 of the car door 15 are arranged along the main rail portion 14a, and the door panel 17 is arranged on the plane along the car entrance 3 without being bent. It is in the state.

  When the car door 15 is in the door open position, as shown in FIG. 3, among the panel members 16, some of the panel members 16 are supported by the main rail portion 14a, and the remaining panel members 16 are inclined rail portions 14b. It is in a state supported by. In this example, when the car door 15 is in the door open position, one panel member 16 located at the door closing side end portion of the car door 15 is supported by the main rail portion 14a, and the door opening side end of the car door 15 is opened. The remaining one panel member 16 located in the section is supported by the inclined rail portion 14b. When the car door 15 is in the door open position, the panel member 16 supported by the inclined rail portion 14b is inclined to the car 2 side, and the door panel 17 is bent. That is, when the car door 15 is in the door open position, the door panel 17 is bent, and the door panel 17 is turned to the car 2 side outside the car doorway 3 in the frontage direction.

  A door driving device 21 including a motor is provided on the upper part of the car door beam 13. The door drive device 21 has a drive pulley 21a that is rotated by the drive force of the motor.

  A transmission pulley 22 and a first driven pulley 23 are coaxially provided at one end of the car door beam 13. The transmission pulley 22 and the first driven pulley 23 are integrally rotated about the rotation axis. A second driven pulley 24 is provided at the other end of the car door beam 13. An endless drive belt (rib belt) 25 is wound between the drive pulley 21 a and the transmission pulley 22. Between the first and second driven pulleys 23 and 24, an endless door wire 26 is wound. The transmission pulley 22 and the first driven pulley 23 are rotated by the rotation of the driving pulley 21a. The door wire 26 is moved around by the rotation of the first driven pulley 23. The second driven pulley 24 is rotated by the circular movement of the door wire 26.

  Each car door 15 is connected to a door wire 26 via connection fittings 27 and 28, respectively. In this example, a connection fitting 27 is attached to the door hanger 18 located at the door closing end of one car door 15, and a connection fitting 28 is attached to the door hanger 18 located at the door closing end of the other car door 15. It has been. The car doors 15 are moved in opposite directions by the circular movement of the door wire 26.

  5 is a block diagram showing the door hanger 18 of FIG. 4. FIG. 5 (a) is a front view of the door hanger 18, FIG. 5 (b) is a side view of the door hanger 18, and FIG. 5 (c) is an upper surface of the door hanger 18. FIG. Each door hanger 18 has a hanger fixing member 19 fixed to the upper end portion of each panel member 16 and a hanger roller 20 provided on the hanger fixing member 19 and placed on the car-side door rail 14. Each car door 15 is moved along the car side door rail 14 while rolling each hanger roller 20 on the car side door rail 14. The connection fittings 27 and 28 are attached to the hanger fixing member 19.

  The hanger fixing member 19 has a base member 31 fixed to the upper surface of the panel member 16 and a pair of roller mounting members 32 fixed to the top of the base member 31 so as to oppose each other and rotatably supporting the hanger roller 20. doing.

  As shown in FIG. 5B, the car-side door rail 14 is passed through the space between the pair of roller mounting members 32. The hanger roller 20 is placed on the car-side door rail 14 that is passed through the space between the pair of roller mounting members 32. The car-side door rail 14 is a long member having a substantially U-shaped cross section having a pair of side walls and a bottom wall connecting the lower ends of the side walls. The car side door rail 14 receives the hanger roller 20 on the upper surface of each side wall of the car side door rail 14.

  Of the outer peripheral surface of the hanger roller 20, the pair of contact surfaces 20 a that individually contact the upper surface of each side wall of the car-side door rail 14 is inclined in the direction in which the outer diameter of the hanger roller 20 decreases toward the outer side in the axial direction of the hanger roller 20. It is tapered. Further, the dimension between the pair of side walls in the car-side door rail 14 is a curved portion located at the boundary between the main rail portion 14a and the inclined rail portion 14b, and is wider than the straight portions of the main rail portion 14a and the inclined rail portion 14b. ing. Thereby, not only when the hanger roller 20 passes on the main rail portion 14a and the inclined rail portion 14b, but also when the hanger roller 20 passes on the curved portion located at the boundary between the main rail portion 14a and the inclined rail portion 14b, The hanger roller 20 can be smoothly and stably rolled.

  Between the panel member 16 located at the door opening side end of the car door 15 and the car side vertical column 12, as shown in FIGS. Yes. Each telescopic link 41 expands and contracts according to the movement of the car door 15.

  6 is a perspective view showing a connecting portion between the telescopic link 41 and the panel member 16 of FIG. FIG. 7 is a perspective view showing a connecting portion between the telescopic link 41 and the car-side vertical column 12 of FIG. The telescopic link 41 has a cylinder part 42 and a plunger part 43 inserted into the cylinder part 42 so as to be displaceable. The telescopic link 41 is expanded and contracted by the displacement of the plunger 43 with respect to the cylinder 42. Each telescopic link 41 provided in the car door device 4 does not give an urging force to the car door 15, and is simply expanded and contracted according to the movement of the car door 15.

  As shown in FIG. 6, a panel mounting bracket 44 is fixed to the side surface of the panel member 16. The panel mounting bracket 44 is provided with a shaft 45 extending in the vertical direction. The end portion of the plunger portion 43 is attached to the panel mounting bracket 44 so as to be rotatable about the shaft 45. Thereby, the plunger portion 43 is rotatable with respect to the panel member 16 about the shaft 45 extending in the vertical direction.

  As shown in FIG. 7, a vertical column mounting bracket 46 is fixed to the side surface of the car-side vertical column 12. The vertical column mounting bracket 46 is provided with a shaft 47 extending in the vertical direction. The end of the cylinder portion 42 is attached to a vertical column mounting bracket 46 so as to be rotatable about a shaft 47. Thereby, the cylinder part 42 is rotatable with respect to the car-side vertical column 12 about the shaft 47 extending in the vertical direction.

  The swing of each car door 15 and the twist of the panel member 16 are suppressed by the telescopic link 41. Thereby, the movement of the car door 15 is stabilized.

  FIG. 8 is a configuration diagram showing a lower portion of the car door device 4 of FIG. 2, FIG. 8A is a front view of the lower portion of the car door device 4, and FIG. 8B is a car threshold 11 of the car door device 4. FIG. The car sill 11 is provided with a car sill groove 51 along the moving direction of the car door 15. Therefore, the car sill groove 51 is provided corresponding to the car side door rail 14. The car sill groove 51 extends from the both ends of the main sill groove 51a parallel to the main rail part 14a to the car 2 entrance side while being inclined toward the car 2, and is parallel to the inclined rail part 14b. And a pair of inclined sill grooves 51b.

  Below the door panel 17 of the car door 15, a plurality of door legs 52 are respectively inserted into the car sill grooves 51. The door legs 52 are individually provided at the bottom of each panel member 16.

  In the panel member 16 supported by the inclined rail portion 14b when the car door 15 is in the door open position (in this example, the panel member 16 located at the door open side end of the car door 15), the width of the panel member 16 A door leg 52 is provided only at one location in the center of the direction. In the panel member 16 supported by the main rail portion 14a when the car door 15 is in the door open position (in this example, the panel member 16 located at the door closing side end of the car door 15), the width of the panel member 16 Door legs 52 are provided at two positions apart in the direction. Smooth movement of the panel member 16 when the door panel 17 is bent by providing the door leg 52 only at one central portion in the width direction of the panel member 16 located at the door opening side end of the car door 15. Is possible.

  FIG. 9 is a configuration diagram showing the door leg 52 of FIG. 8A, FIG. 9A is a front view of the door leg 52, FIG. 9B is a side view of the door leg 52, FIG. 9 (c) is a top view of the door leg 52. Each door leg 52 has a mounting plate (a door leg mounting member) 53 attached to the lower part of the panel member 16, a roller shaft 54 extending in the vertical direction and protruding downward from the mounting plate 53, and below the mounting plate 53. And an insertion roller 55 that can be rotated around the roller shaft 54.

  The mounting plate 53 is provided with a plurality (two in this example) of bolt through holes 56. The door leg 52 is fixed to the panel member 16 by a bolt passed through the bolt through hole 56.

  The insertion roller 55 is inserted into the car sill groove 51. The car door 15 is moved while maintaining the state where the insertion roller 55 is inserted into the car sill groove 51. Thereby, when the car door 15 is moved, the lower part of the car door 15 is guided to the car sill groove 51. The insertion roller 55 rotates around the roller shaft 54 when it comes into contact with the side surface of the car sill groove 51 when the car door 15 is moved.

  FIG. 10 is a perspective view showing the landing door device 8 when viewed from the hoistway 1 side of FIG. FIG. 11 is a perspective view showing a state where the landing door device 8 of FIG. 10 opens the landing doorway 7. Further, FIG. 12 is a perspective view showing an upper portion of the landing door device 8 of FIG. A landing threshold 61 is horizontally disposed below the landing entrance 7. The landing threshold 61 is fixed to the floor of the landing 5. A pair of landing-side vertical columns 60 extending upward from the landing threshold 61 are fixed to both ends of the landing threshold 61. Accordingly, the position of each landing-side vertical column 60 is fixed with respect to the landing entrance 7. Each of the landing-side vertical columns 60 is disposed on both sides of the landing entrance 7 with respect to the entrance direction of the landing entrance 7.

  A landing door girder 62 is fixed between the upper ends of the landing-side vertical columns 60. Accordingly, the landing door girders 62 are supported by the landing sill 61 via the landing side vertical columns 60.

  A landing-side door rail 63 is horizontally fixed to the landing door beam 62. Thereby, the landing side door rail 63 is provided in the upper part of the landing doorway 7. The landing-side door rail 63 is a pair of main rails 63a along the entrance direction of the entrance / exit 7 and a pair of both ends of the main rail portion 63a that extend outward in the entrance direction of the entrance / exit 7 while tilting in the depth direction of the entrance / exit 7. And an inclined rail portion 63b. Each inclined rail portion 63b is inclined from the end of the main rail portion 63a toward the landing 5 side. A boundary portion between each of the inclined rail portions 63b and the main rail portion 63a is a curved portion that is smoothly bent.

  A pair of landing doors 64 are suspended from the landing side door rail 63. Each landing door 64 includes a door panel 17 that opens and closes the landing doorway 7, and a plurality (two in this example) of door hangers 18 that are fixed to the upper portion of the door panel 17 and are hung on the landing-side door rail 63. . The configurations of the door panel 17 and the door hanger 18 of the landing door 64 are the same as the configurations of the door panel 17 and the door hanger 18 of the car door 15.

  Each landing door 64 has a door closing position (FIG. 10) for closing the landing doorway 7 and a door opening position (FIG. 11) for opening the landing doorway 7 located on the outer side of the doorway entrance 7 from the door closing position. It is possible to move while being guided by the landing-side door rail 63.

  When the landing door 64 is in the door closed position, as shown in FIG. 10, all the panel members 16 of the landing door 64 are supported by the main rail portion 63a. When the landing door 64 is in the door-closed position, the panel members 16 of the landing door 64 are arranged along the main rail portion 63a, and the door panel 17 is arranged on the plane along the landing doorway 7 without being bent. It has become.

  When the car door 15 is in the door open position, as shown in FIG. 11, among the panel members 16 of the landing door 64, some panel members 16 are supported by the main rail portion 63 a, and the remaining panel members 16 are It is in a state supported by the inclined rail portion 63b. In this example, when the landing door 64 is in the door open position, one panel member 16 located at the door closing side end of the landing door 64 is supported by the main rail portion 63a, and the door opening side end of the landing door 64 is opened. The remaining one panel member 16 located in the section is supported by the inclined rail section 63b. When the landing door 64 is in the door open position, the panel member 16 supported by the inclined rail portion 63b is inclined to the car 2 side, and the door panel 17 is bent. That is, when the landing door 64 is in the door open position, the door panel 17 of the landing door 64 is bent, and the door panel 17 turns to the landing 5 side on the outer side in the frontage direction than the landing doorway 7. When the landing door 64 is in the door open position, it is within the three-way frame 6 with respect to the entrance direction of the landing entrance 7.

  A first driven pulley 23 is provided at one end of the landing door beam 62, and a second driven pulley 24 is provided at the other end of the landing door beam 62. Between the first and second driven pulleys 23 and 24, an endless door wire 26 is wound. The door wire 26 is circulated while rotating the first driven pulley 23 and the second driven pulley 24.

  Each landing door 64 is connected to the door wire 26 via connection fittings 27 and 28, respectively. In this example, the connection fitting 27 is attached to the door hanger 18 located at the door closing side end of one landing door 64, and the connection fitting 28 is attached to the door hanger 18 located at the door closing side end of the other landing door 64. It has been. The door wire 26 of the landing door device 8 is moved around when the landing doors 64 are moved in opposite directions.

  As shown in FIGS. 10 and 11, a plurality of telescopic links 69 that can be expanded and contracted are connected between the panel member 16 located at the door opening side end of the landing door 64 and the landing-side vertical column 60. Yes. Each telescopic link 69 expands and contracts according to the movement of the landing door 64. The configuration of the telescopic link 69 in the landing door device 8 is the same as the configuration of the telescopic link 41 in the car door device 4 except that a spring (biasing member) is accommodated in the cylinder portion 42. The telescopic link 69 urges the landing door 64 in a direction in which the landing door 64 is moved to the door closing position by a spring accommodated in the cylinder portion 42. Thereby, abnormal opening of the landing doorway 7 is prevented, and shaking of each landing door 64 and twisting of the panel member 16 are also suppressed. Further, since the telescopic link 69 is not exposed to the landing door 64 side, for example, it is a good appearance countermeasure in a viewing elevator or the like.

  FIG. 13 is a top view showing the landing threshold 61 of FIG. In the landing threshold 61, a landing threshold groove 65 is provided along the moving direction of the landing door 64. Accordingly, the landing threshold groove 65 is provided in correspondence with the landing-side door rail 63. The landing sill groove 65 extends from the both ends of the main sill groove 65a parallel to the main rail part 63a toward the landing 5 while being inclined toward the landing 5, and is parallel to the inclined rail part 63b. And a pair of inclined sill grooves 65b.

  At the lower part of the door panel 17 of the landing door 64, a door leg inserted into the landing threshold groove 65 is provided. The door legs are individually provided at the bottom of each panel member 16. The location and number of door legs attached to the panel member 16 of the landing door 64 are the same as the location and number of door legs attached to the panel member 16 of the car door 15. Further, the configuration of the door legs in the landing door 64 is the same as the configuration of the door legs 52 in the car door 15.

  As shown in FIGS. 10 to 12, a locking member 67 is fixed to the landing door girder 62 in the center in the length direction via a locking member fixing bracket 66. One landing door 64 is provided with a landing-side engagement device 68.

  As shown in FIG. 12, the landing-side engagement device 68 is a latch (saddle member) that can rotate around a rotation shaft 71 provided on the hanger fixing member 19 located at the door closing side end of the landing door 64. ) 72, a fixed engagement roller 73 rotatable around the rotation shaft 71, and a movable engagement roller 74 provided on the latch 72 and displaced with respect to the fixed engagement roller 73 by the rotation of the latch 72. have.

  When the landing door 64 is in the door-closed position, the latch 72 is rotatable about the rotation shaft 71 between a locking position that is engaged with the locking member 67 and a release position that is disengaged from the locking member 67. It has become. The landing door 64 is locked when the latch 72 is hooked on the locking member 67, and is unlocked when the latch 72 is detached from the locking member 67.

  One car door 15 is provided with a car-side engaging device 81 as shown in FIGS. 2 and 3. The car-side engagement device 81 has a pair of vanes 81 a and 81 b that face each other in the width direction of the car door 15.

  When the car 2 is stopped on the floor, the landing door 64 and the car door 15 can be moved together with the car side engagement device 68 and the car side engagement device 81 being engaged with each other. The car doorway 3 and the hall doorway 7 are opened and closed simultaneously when the hall door 64 is moved together with the car door 15. The car-side engaging device 81 is not engaged with the landing-side engaging device 68 when the car door 15 is in the door-closed position, and the car-door 15 moves from the door-closed position to the door-opening side. The engagement device 68 is engaged.

  FIG. 14 is a schematic diagram showing a state immediately before the car-side engagement device 81 engages with the landing-side engagement device 68 after the car door 15 of FIG. 2 starts moving from the door-closed position to the door-open side. is there. FIG. 15 is a schematic diagram showing a state where the car-side engaging device 81 and the landing-side engaging device 68 of FIG. 14 are engaged with each other. When the car 2 is stopped on the floor, the fixed engagement roller 73 and the movable engagement roller 74 are inserted between the pair of vanes 81a and 81b. One vane 81a of the car-side engagement device 81 is moved into the movable engagement state as shown in FIG. 14 after the car door 15 has moved from the door-closed position to the door-opening side and hit the movable-engagement roller 74. While the roller 74 is being pressed, the latch 72 is rotated in a direction away from the locking member 67 and engaged with the fixed engagement roller 73 as shown in FIG. Thereby, the car door 15 and the landing door 64 are engaged with each other. When the car door 15 moves to the door open side in a state where the car door 15 and the hall door 64 are engaged with each other, the hall door 64 moves to the door open side together with the car door 15.

  Next, the operation will be described. When the car doorway 3 and the landing doorway 7 are opened, the car door 15 is first moved to the door opening side while being guided by the car side door rail 14 by the driving force of the door driving device 21. As a result, the landing door 64 is unlocked and the car-side engaging device 81 is engaged with the landing-side engaging device 68. Thereafter, when the car door 15 further moves to the door opening side, the car door engaging device 81 engages with the hall side engaging device 68, and the landing door 64 moves to the door opening side together with the car door 15. Thereby, the car door 15 and the landing door 64 reach the door opening position, respectively, and the car entrance 3 and the landing entrance 7 are simultaneously opened.

  At this time, in the car door 15, the panel member 16 located at the door opening side end is guided to the inclined rail portion 14 b of the car side door rail 14, whereby the door panel 17 is bent and turns around to the car 2 side. At this time, in the landing door 64, the panel member 16 located at the door opening side end is guided to the inclined rail portion 63b of the landing side door rail 63, whereby the door panel 17 is bent and turns around to the landing 5 side. When the car entrance 3 and the landing entrance 7 are closed, an operation opposite to the above operation is performed.

  In such a car door device 4, the car-side door rail 14 has a main rail portion 14 a and an inclined rail portion that extends outward from the end of the car entrance 3 while being inclined in the depth direction of the car entrance 3 from the end of the main rail portion 14 a. 14b, and the plurality of panel members 16 in the car door 15 are rotatably connected to each other and are individually supported by the car-side door rail 14, so that the car door 15 is in the door open position. Sometimes, a portion of the car door 15 can be bent in the depth direction of the car doorway 3. As a result, the size of the car door device 4 can be reduced in the direction of the front door of the car doorway 3. Moreover, since each panel member 16 can be moved while maintaining the state along the car side door rail 14, it is prevented that each panel member 16 protrudes to the car 2 side when the car door 15 is moving. can do. As a result, the space required for moving the car door 15 can be reduced.

  Similarly, in the landing door device 8, the landing-side door rail 63 is inclined so as to extend outward from the landing entrance 7 while moving in the depth direction of the landing entrance 7 from the end of the main rail 63 a and the end of the main rail 63 a. Since the plurality of panel members 16 in the landing door 64 are rotatably connected to each other and are individually supported by the landing-side door rail 63, the landing door 64 is in the door open position. In this case, a part of the landing door 64 can be bent in the depth direction of the landing doorway 7. Thereby, size reduction of the landing door apparatus 8 can be achieved about the frontage direction of the landing doorway 7. Moreover, since each panel member 16 can be moved while maintaining the state along the landing-side door rail 63, each panel member 16 is prevented from protruding to the landing 5 side when the landing door 64 is moving. can do. Thereby, the space required for moving the landing door 64 can be reduced.

  In addition, since the telescopic links 41 are connected between the panel member 16 of the car door 15 and the car-side vertical column 12 and between the panel member 16 of the hall door 64 and the landing-side vertical column 60, respectively. The car door 15 and the landing door 64 can be prevented from shaking, the panel member 16 can be prevented from being twisted, and the movement of the car door 15 and the landing door 64 can be stabilized.

  Moreover, since the door hanger 18 of the car door 15 has the hanger roller 20 rolled on the car side door rail 14, the car door 15 can be moved smoothly. Furthermore, since the door hanger 18 of the landing door 64 has the hanger roller 20 rolled on the landing side door rail 63, the landing door 64 can be moved smoothly.

  In addition, the car sill 11 is provided with a car sill groove 51 into which the door leg 52 provided at the lower part of each panel member 16 of the car door 15 is inserted along the moving direction of the car door 15. The movement of the car door 15 can be further stabilized. Further, the landing sill 61 is provided with a landing sill groove 65 into which the door leg provided at the lower part of each panel member 16 of the landing door 64 is inserted along the moving direction of the landing door 64. The movement of the door 64 can be further stabilized.

  In the above example, the car door 15 and the landing door 64 are both bent. However, only the door panel 17 of one of the car door 15 and the landing door 64 may be bent. Good.

  Further, in the above example, the present invention is applied to a two door central opening type door device in which a pair of doors (two doors) move in opposite directions to open and close the doorway. The present invention may be applied to a two-door single-opening type door device in which two doors move in the same direction to open and close the doorway.

  FIG. 16 is a perspective view showing another example of the car door device according to Embodiment 1 of the present invention. The car door device 4 of this example is a two-door single door type door device that opens and closes the car doorway 3 when two car doors 15 move in the same direction. In the car door device 4 of this example, one of the two car doors 15 is a high speed door, and the other car door 15 is a low speed door that moves at a lower speed than the high speed door.

  A car-side high-speed door rail 91 that supports one car door 15 that is a high-speed door and a car-side low-speed door rail 92 that supports the other car door 15 that is a low-speed door are fixed to the car door beam 13. . The car side low speed door rail 92 is disposed along the car side high speed door rail 91. The length of the car-side low-speed door rail 92 is shorter than the length of the car-side high-speed door rail 91.

  The car-side high-speed door rail 91 includes a main rail portion 91a along the entrance direction of the car entrance 3 and an inclined rail portion 91b extending outward from the end of the main rail portion 91a toward the exit side of the car entrance 3 while tilting toward the car 2 side. And have. The car-side low-speed door rail 92 includes a main rail portion 92a along the main rail portion 91a of the car-side high-speed door rail 91, and an end portion of the main rail portion 92a along the inclined rail portion 92b of the car-side high-speed door rail 91. And an inclined rail portion 92b inclined with respect to the portion 92a.

  The car sill 11 is provided with a car sill groove 93 for a high-speed door into which a door leg provided at the lower part of one car door 15 which is a high-speed door is inserted, and a lower part of the other car door 15 which is a low-speed door. There is provided a low-speed door sill ditch 94 into which the door leg is inserted. The car sill groove 93 for the high-speed door includes a main sill groove part 93 a corresponding to the main rail part 91 a of the car-side high-speed door rail 91, and the car doorway 3 outside in the direction of the front door while being inclined from the end of the main sill groove part 93 a. And an inclined sill groove portion 93 b corresponding to the inclined rail portion 91 b of the car-side high-speed door rail 91. The car sill groove 94 for the low speed door includes a main sill groove part 94a corresponding to the main rail part 92a of the car side low speed door rail 92, and an outer side of the car doorway 3 in the direction of the entrance of the car 2 while being inclined from the end of the main sill groove part 94a. And an inclined sill groove 94b corresponding to the inclined rail portion 92b of the car-side low-speed door rail 92.

  When each car door 15 is in the door open position, the panel member 16 supported by the inclined rail portions 91b and 92b is inclined to the car 2 side with respect to the panel member 16 supported by the main rail portions 91a and 92a. The door panel 17 is bent.

  Similarly to the car door device 4 of this example, the landing door device of this example is also a two-door single door type door device. In the landing door device of this example, the inclined rail portions of the landing-side high-speed door rail and the landing-side low-speed door rail are inclined toward the landing 5 side, and the inclined sill groove portions of the low-speed door landing sill groove and the high-speed door landing sill groove, respectively. Is also inclined to the landing 5 side. Other configurations are the same as described above.

  As described above, even when the present invention is applied to the two-door single door type car door device and the landing door device, when the car door 15 and the landing door are in the door open position, one of the car door 15 and the landing door is provided. The part can be bent in the depth direction of the car doorway 3 and the landing doorway, and the size of the car door device 4 and the landing door device can be reduced in the front door direction of the car doorway 3 and the landing doorway. Moreover, the space required for moving the car door 15 and the landing door can be reduced.

  In addition, a four-door central opening type door device that opens and closes the doorway by moving two doors in the opposite direction by two doors, or a single door single door type that opens and closes the doorway when one door moves. The present invention may be applied to door devices of other opening / closing methods, such as door devices.

  In the above example, the number of panel members 16 included in the common car door 15 is two, and the number of panel members 16 included in the common landing door 64 is two. The number of panel members 16 included in the car door 15 may be three or more, or the number of panel members 16 included in the common landing door 64 may be three or more.

  The elevator door device of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the invention.

  3 car doorway, 7 landing doorway, 11 car sill, 12,60 vertical column, 14 car side door rail, 14a main rail part, 14b inclined rail part, 15 car door, 16 panel member, 18 door hanger, 20 hanger roller, 41 telescopic type Link, 51 Car sill groove, 52 Legs, 61 Landing sill, 63 Landing side door rail, 64 Landing door, 65 Landing sill groove, 69 Telescopic link, 91 Car side high speed door rail, 91a Main rail part, 91b Inclined rail part , 92 Car side low speed door rail, 92a Main rail part, 92b Inclined rail part, 93 High speed door car sill groove, 94 Low speed door sill groove.

Claims (5)

A main rail portion along the entrance direction of the entrance and exit, and an inclined rail portion extending from the end of the main rail portion toward the entrance direction of the entrance while being inclined in the depth direction of the entrance and exit, at the top of the entrance A door closure that includes a plurality of panel members that are pivotally connected to each other and supported by the door rails, and that each of the panel members is supported by the main rail portion. The position is located on the outer side of the doorway from the door closing position, and among the panel members, some of the panel members are supported by the main rail portion, and the remaining panel members are the inclined rails. An elevator door device comprising: a door that is displaceable between a door open position where the doorway is opened while being supported by a section.   The elevator door device according to claim 1, wherein the entrance is at least one of a car entrance and a landing entrance.   The telescopic link is connected between the said panel member located in the door opening side edge part of the said door, and the vertical column to which the position with respect to the said entrance / exit was fixed. Item 3. The elevator door device according to Item 2. The door further includes a plurality of door hangers provided on the top of each panel member and hung on the door rail,
The said door hanger has a hanger roller rolled on the said door rail, The door apparatus of the elevator as described in any one of Claims 1-3 characterized by the above-mentioned. It further comprises a threshold provided at the bottom of the entrance,
The sill is provided with a sill groove along the moving direction of the door,
5. The elevator door device according to claim 1, wherein a door leg inserted into the sill groove is individually provided at a lower portion of each panel member. .

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