JP2011148588A - Door device of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door device of an elevator for simplifying a constitution. <P>SOLUTION: This door device includes a sliding door 5 movably arranged in the frontage direction of the doorway 4a and opening-closing the doorway 4a, and a sliding door covering curtain 14 having a first connecting part 14a and a second connecting part 14b connected to a doorway column 7 forming a sidewall of the doorway 4a and a covering part 14c for covering the sliding door 5 and integrally formed in the first connecting part 14a and the second connecting part 14b. The covering part 14c slides to the sliding door 5 while keeping a state of covering the sliding door 5 by moving the sliding door 5 in the frontage direction of the doorway 4a. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an elevator door device that opens and closes a car doorway and a landing doorway.

  Conventionally, as an elevator door device for preventing an object such as an object or a person from being pulled in between a sliding door and an entrance / exit post, a winding device provided in the sliding door and a sliding door covering curtain covering the sliding door are provided. Elevator door devices are known. The sliding door covering curtain has a fixing portion fixed to the car on the outer side in the front door direction of the car, and covers the surface of the sliding door from the fixing portion to the winding device. The sliding door cover curtain is wound up by a winding device when the sliding door is opened, and is fed out from the winding device when the sliding door is closed (for example, see Patent Document 1).

JP 2004-323156 A

  However, since the conventional elevator door device requires a winding device, there is a problem that the configuration is complicated.

  The present invention provides an elevator door device that can be simplified in configuration.

  An elevator door device according to the present invention includes a sliding door that is movable in a doorway direction of the doorway, and is connected to an elevator door that opens and closes the doorway by movement of the sliding door, and a column member that forms a side wall of the doorway. A sliding door covering curtain having a first connecting portion and a second connecting portion, and a covering portion that covers the sliding door and is formed integrally with the first connecting portion and the second connecting portion, The cover part slides with respect to the sliding door while keeping the state of covering the sliding door as the sliding door moves in the entrance direction of the doorway.

  According to the elevator door device according to the present invention, the sliding door covering curtain includes the first connecting portion and the second connecting portion connected to the pillar member, and the first connecting portion and the second connecting portion that cover the sliding door. And the sliding part moves with respect to the sliding door while keeping the state where the covering part covers the sliding door. Without providing a winding device for winding, an object such as an object or a person can be prevented from being drawn between the sliding door and the column member when the sliding door is opened. As a result, the configuration of the elevator door device can be simplified.

It is a perspective view which shows the principal part of the elevator which concerns on Embodiment 1 of this invention. It is the front view which looked at the car doorway of FIG. 1 from the inner side of the car. It is sectional drawing which shows the part by the side of the cage | basket entrance / exit of the cage | basket | car of FIG. It is sectional drawing which shows the sliding door of FIG. 3, and an entrance / exit pillar. It is an enlarged view which shows the connection part of the entrance / exit pillar of FIG. 4, and a sliding door covering curtain. It is sectional drawing for demonstrating the door opening operation | movement of the door apparatus of FIG. It is sectional drawing for demonstrating the door opening operation | movement of the door apparatus of the elevator which concerns on Embodiment 2 of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding members and parts will be described with the same reference numerals.

Embodiment 1 FIG.
1 is a perspective view showing a main part of an elevator according to Embodiment 1 of the present invention. In the figure, an elevator car 1 that moves up and down a hoistway (not shown) includes a car room 4 composed of a floor 2, a wall 3 and a ceiling (not shown), and a car doorway formed in the car room 4 ( It has a sliding door 5 that is an elevator door that opens and closes the doorway 4a.

  The wall 3 includes a sleeve wall 6 and an entrance / exit column (column member) 7 formed integrally with the sleeve wall 6 and forming a side wall of the car entrance 4a. The sleeve wall 6 is provided with an operation panel 8 operated by passengers in the car 1.

  A door hanger 10 is fixed to the upper part of the sliding door 5 using bolts 9. A hanger roller 11 is rotatably provided on the upper portion of the door hanger 10. Above the sliding door 5, a door rail 12 extending in the frontage direction of the car entrance 4 a is provided. The hanger roller 11 is mounted on the door rail 12 so as to be able to roll.

  In the portion of the floor 2 below the sliding door 5, a sill 13 extending in the frontage direction of the car doorway 4a is provided. In the sill 13, a groove 13 a is formed extending in the direction of the frontage of the car entrance 4 a. A door shoe (not shown) provided at the lower end of the sliding door 5 is inserted into the groove 13a.

  FIG. 2 is a front view of the car doorway 4a shown in FIG. In the figure, the sliding door 5 is provided as a pair. Each sliding door 5 is provided so as to be movable in the frontage direction of the car doorway 4a. Moreover, each sliding door 5 moves to a mutually opposite direction. The sliding door 5 is made of steel. The sliding door 5 moves by driving of a driving device (not shown).

  3 is a cross-sectional view showing a portion of the car 1 in FIG. 1 on the side of the car doorway 4a, and FIG. 4 is a cross-sectional view showing the sliding door 5 and the doorway column 7 in FIG. In the figure, the sliding door 5 is provided with a sliding door covering curtain 14. The sliding door covering curtain 14 is integrally formed with the first connecting portion 14a and the second connecting portion 14b connected to the entrance / exit post 7 and the first connecting portion 14a and the second connecting portion 14b that cover the sliding door 5. Cover portion 14c. As shown in FIG. 1, the sliding door cover curtain 14 covers an intermediate portion in the vertical direction of the sliding door 5, and the upper end portion 5 a and the lower end portion 5 b of the sliding door 5 are exposed.

  As shown in FIGS. 3 and 4, the sliding door 5 is provided with four rollers 15. Each roller 15 is disposed at a corner of the sliding door 5. The axis of each roller 15 is perpendicular to the floor 2. A cover portion 14 c is wound around the roller 15.

  The sliding door 5 is provided with a contact detection device 16. As shown in FIG. 1, the contact detection device 16 includes a mounting bracket 17 attached to the upper end portion 5 a and the lower end portion 5 b of the sliding door 5, and a contact bar 18 attached to the mounting bracket 17.

  FIG. 5 is an enlarged view showing a connection portion between the entrance / exit post 7 and the sliding door covering curtain 14 of FIG. In the figure, the entrance / exit pillar 7 is parallel to the first plate portion 7a on the outer side in the frontage direction of the car entrance / exit 4a than the first plate portion 7a and the first plate portion 7a forming the side surface of the car entrance / exit 4a. It has the 2nd board part 7b provided. A fixing bracket 19 to which the first connecting portion 14a is fixed is fixed to the first plate portion 7a. The fixture 19 is disposed between the first plate portion 7a and the second plate portion 7b. A compression spring (biasing member) 20 is provided on the second plate portion 7a. The compression spring 20 is disposed between the first plate portion 7a and the second plate portion 7b. The compression spring 20 is provided with a fixture 21 to which the second connection portion 14b is fixed. The fixing bracket 21 is disposed between the compression spring 20 and the fixing bracket 19. The compression spring 20 biases the second connection portion 14b via the fixing bracket 21 in a direction in which the second connection portion 14b approaches the first connection portion 14a. Since the second connection portion 14b is biased toward the first connection portion 14a, a tension is applied to the cover portion 14c.

  The elevator door device includes a sliding door 5, a door hanger 10, a hanger roller 11, a door rail 12, a sliding door covering curtain 14, a roller 15, and a compression spring 20.

  Next, the door opening operation of the door device will be described. 6 is a cross-sectional view for explaining the door opening operation of the door device of FIG. 3. In FIG. 6, (a) shows a state where the sliding door 5 fully closes the car doorway 4a, and (b) shows A state where a part of the car doorway 4a is opened is shown, and (c) shows a state where the car doorway 4a is fully opened. During the door opening operation of the door device, the sliding door 5 moves from the state in which the car doorway 4a is fully closed to the outside in the frontage direction of the car doorway 4a. At this time, the first connecting portion 14a is fixed to the entrance / exit column 7 and the second connecting portion 14b is connected to the entrance / exit column 7 via the fixing bracket 19 and the compression spring 18, so that the first The connecting portion 14a does not move relative to the doorway column 7.

  Since the first connecting portion 14a does not move with respect to the entrance / exit column 7 and the sliding door 5 moves outward in the frontage direction of the car entrance / exit 4a, the covering portion 14c keeps the state in which the sliding door 5 is covered. Slide against. The sliding door 5 is moved to the outside in the frontage direction of the car doorway 4a until the car doorway 4a is fully opened, and the sliding of the cover portion 14c with respect to the sliding door 5 continues during that time.

  Since the cover portion 14 c covers the sliding door 5, when an object such as an object or a person is pressed from the inside of the car 1 toward the sliding door 5, the object is prevented from contacting the sliding door 5. In addition, when the sliding door 5 moves outward in the frontage direction of the car doorway 4 a, the portion of the cover portion 14 c located inside the car 1 relative to the sliding door 5 does not move relative to the doorway column 7.

  As described above, according to the elevator door device according to Embodiment 1 of the present invention, the sliding door covering curtain 14 includes the first connecting portion 14a and the second connecting portion 14b connected to the doorway column 7. And the cover 14c formed integrally with the first connection portion 14a and the second connection portion 14b so as to cover the sliding door 5, and the sliding portion 5 moves in the frontage direction so that the covering portion 14c Since the cover portion 14c slides with respect to the sliding door 5 while keeping the covered state, the object contacts the sliding door 5 when an object such as an object or a person is pressed from the inside of the car 1 toward the sliding door 5. Is prevented. Further, when the sliding door 5 moves outward in the frontage direction of the car doorway 4a, the portion of the cover portion 14c located on the inner side of the car 1 relative to the sliding door 5 does not move with respect to the doorway column 7, so that the door device opens. Even when an object is pressed from the inside of the car 1 toward the sliding door 5, it is possible to prevent the object from being drawn between the sliding door 5 and the entrance / exit column 7 due to the movement of the sliding door 5. Further, since a winding device for winding the sliding door covering curtain 14 is not required, the configuration of the elevator door device can be simplified.

  Moreover, since the door device of an elevator is provided with the roller 15 provided in the sliding door 5 and the cover part 14c wound around, the cover part 14c can be easily slid with respect to the sliding door 5, and the cover part Damage caused by the contact of the sliding door 5 with the 14c can be reduced.

  Further, the elevator door device includes the compression spring 20 that urges the second connecting portion 14b in a direction in which tension is applied to the covering portion 14c, so that when the covering portion 14c extends due to a rise in temperature or the like, It can prevent that the cover part 14c loosens.

  In the first embodiment, an elevator door device having a two-door central opening has been described, but an elevator door device having a single door opening may be used.

  In the first embodiment, the example in which the first connecting portion 14a is fixed to the entrance / exit column 7 and the urging body urges the second connecting portion 14b has been described. However, the second connecting portion 14b is used as the entrance / exit. The urging body fixed to the column 7 may urge the first connecting portion 14a, or the urging body urges both the first connecting portion 14a and the second connecting portion 14b. Good. Moreover, both the 1st connection part 14a and the 2nd connection part 14b may be connected to the entrance / exit pillar 7 not via an urging body. Moreover, although the biasing body was provided in the entrance / exit column 7 and biased the 2nd connection part 14b, the biasing body was provided in the sliding door 5 and biased the cover part 14c via the roller 15. Also good.

  In Embodiment 1 described above, the sliding door 5 is provided with the roller 15 around which the covering portion 14c is wound. However, the roller 15 may not be provided.

  Further, in the first embodiment, the example in which the sliding door covering curtain 14 is provided in the intermediate portion in the vertical direction of the sliding door 9 has been described, but the sliding door covering curtain 14 is provided in the entire vertical direction of the sliding door 9. May be. In this case, the mounting bracket 17 of the contact detection device 16 is attached to the upper and lower ends of the sliding door 9.

Embodiment 2. FIG.
FIG. 7 is a cross-sectional view for explaining the door opening operation of the elevator door device according to Embodiment 2 of the present invention. In FIG. 7, (a) shows a state in which the car doorway 4a is fully closed. . The car 1 includes an elevator having a first sliding door 22 movable in the direction of the front door of the car doorway 4 a and a second sliding door 23 movable in the direction of the front door of the car doorway 4 a relative to the first sliding door 22. A door is provided.

  The first sliding door 22 is provided with a sliding door covering curtain 24. The sliding door covering curtain 24 is integrated with the first connecting portion 24a and the second connecting portion 24b that covers the first sliding door 22 and the first connecting portion 24a and the second connecting portion 24b connected to the entrance / exit column 7. And a cover portion 24c formed on the surface.

  The first sliding door 22 is provided with four rollers 25. Each roller 25 is disposed at a corner of the first sliding door 22. The axis of each roller 25 is perpendicular to the floor 2. A cover 24c is wound around the roller 25.

  The second sliding door 23 is provided with a sliding door covering curtain 26. The sliding door covering curtain 26 covers the first connecting portion 26a and the second connecting portion 26b connected to the first sliding door 22, and the second connecting door 23 and covers the second sliding door 23, and the first connecting portion 26a and the second connecting portion 26b. And a cover portion 26c formed integrally.

  The second sliding door 23 is provided with four rollers 27. Each roller 27 is disposed at a corner of the second sliding door 23. The axis of each roller 27 is perpendicular to the floor 2. A cover portion 26 c is wound around the roller 27.

  The entrance / exit column 7 forming the side wall of the car entrance / exit 4a has a first plate portion 7a and a second plate portion 7b as in the first embodiment. A fixing bracket 19 to which the first connecting portion 24a is fixed is fixed to the first plate portion 7a. A compression spring (biasing member) 20 is provided on the second plate portion 7b. The compression spring 20 is fixed with a fixture 21 to which the second connection portion 24b is fixed. The compression spring 20 biases the second connection portion 24b via the fixing bracket 21 in a direction in which the second connection portion 24b approaches the first connection portion 24a. Since the second connecting portion 24b is biased toward the first connecting portion 24a, a tension is applied to the covering portion 24c.

  The first sliding door 22 is provided on the outer side in the frontage direction with respect to the first plate portion 28a provided between the first sliding door 22 and the second sliding door 23, and the first plate portion 28a. The second plate portion 28b is fixed. A fixing bracket 29 to which the first connection portion 26a is fixed is fixed to the first plate portion 28a. The fixing bracket 29 is disposed between the first plate portion 28a and the second plate portion 28b. A compression spring (biasing body) 30 is provided on the second plate portion 28b. The compression spring 30 is disposed between the first plate portion 28a and the second plate portion 28b. A fixing fitting 31 to which the second connection portion 26 b is fixed is fixed to the compression spring 30. The fixing bracket 31 is disposed between the compression spring 30 and the fixing bracket 29. The compression spring 30 biases the second connection portion 26b via the fixing bracket 31 in a direction in which the second connection portion 26b approaches the first connection portion 26a. Since the second connection portion 26b is biased toward the first connection portion 26a, a tension is applied to the cover portion 26c.

  The second sliding door 23 is provided with a contact detection device 16.

  The elevator door apparatus includes a door hanger 10, a hanger roller 11, a door rail 12, a first sliding door 22, a second sliding door 23, a sliding door covering curtain 24, a sliding door covering curtain 26, a roller 25, a roller 27, a compression spring 20, and a compression spring. 30. Other configurations are the same as those in the first embodiment.

  Next, the door opening operation of the door device will be described. In FIG. 7, (b) shows a state in which the second sliding door 23 has moved relative to the first sliding door 22 from the fully closed state of the car entrance 4a, and a part of the car entrance 4a has been opened. A state in which the second sliding door 23 overlaps with the first sliding door 22 is shown. (D) shows that the first sliding door 22 moves together with the second sliding door 23 toward the outer side in the frontage direction of the car entrance 4a and is one of the car entrances 4a. (E) shows a state in which the car doorway 4a is fully opened. During the door opening operation of the door device, the second sliding door 23 moves from the fully closed state of the car doorway 4a toward the outer side of the car doorway 4a with respect to the first sliding door 22. At this time, the first connecting portion 26 a is fixed to the first sliding door 22, and the second connecting portion 26 b is connected to the first sliding door 22 via the fixing bracket 31 and the compression spring 30. Therefore, the first connection portion 26 a does not move with respect to the first sliding door 22.

  The first connecting portion 26a does not move with respect to the first sliding door 22, and the second sliding door 23 moves with respect to the first sliding door 22 outward in the frontage direction of the car entrance 4a. The second sliding door 23 is slid with respect to the second sliding door 23 while keeping the second sliding door 23 covered. The movement of the second sliding door 23 relative to the first sliding door 22 is performed until the second sliding door 23 overlaps the first sliding door 22, and during that time, the sliding of the cover portion 26 c with respect to the second sliding door 23 continues.

  Since the cover part 26c covers the second sliding door 23, when an object such as an object or a person is pressed from the inside of the car 1 toward the second sliding door 23, the object comes into contact with the second sliding door 23. It is prevented. Further, when the second sliding door 23 moves to the outer side in the frontage direction of the car doorway 4a with respect to the first sliding door 22, the portion of the cover portion 26c located on the inner side of the car 1 with respect to the second sliding door 23 is the first door. It does not move relative to the sliding door 22.

  After the second sliding door 23 overlaps the first sliding door 22, the first sliding door 22 moves together with the second sliding door 23 to the outside in the frontage direction of the car doorway 4 a. At this time, the first connecting portion 24a is fixed to the entrance / exit post 7 and the second connecting portion 26b is connected to the entrance / exit post 7 via the fixing bracket 21 and the compression spring 20, so that the first The connecting portion 26 a does not move with respect to the entrance / exit column 7.

  Since the first sliding door 22 moves outward in the frontage direction of the car entrance 4a without moving the first connecting portion 24a with respect to the entrance / exit column 7, the covering portion 24c covers the first sliding door 22 It slides with respect to the 1st sliding door 22 with keeping. The movement of the first sliding door 22 to the outer side of the car doorway 4a in the frontage direction is performed until the car doorway 4a is fully opened, during which the sliding of the cover portion 24c with respect to the first sliding door 22 continues.

  Since the cover part 24c covers the first sliding door 22, when the object is pressed from the inside of the car 1 toward the first sliding door 22, the object is prevented from contacting the first sliding door 22. . Further, when the first sliding door 22 moves outward in the frontage direction of the car doorway 4 a, the portion of the cover portion 24 c that is inside the car 1 relative to the first sliding door 22 does not move with respect to the doorway column 7.

  As described above, according to the elevator door device according to Embodiment 2 of the present invention, the sliding door covering curtain 26 is connected to the first sliding door 22 by the first connecting portion 26a and the second connecting portion. 26b and a first connecting portion 26a that covers the second sliding door 23 and a covering portion 26c that is formed integrally with the second connecting portion 26b, and the second sliding door 23 moves in the frontage direction. Since the object slides with respect to the second sliding door 23, when an object such as an object or a person is pressed from the inside of the car 1 toward the second sliding door 23, the object may come into contact with the second sliding door 23. Is prevented. Further, when the second sliding door 23 moves to the outer side in the frontage direction of the car entrance 4 a with respect to the first sliding door 22, the portion of the cover portion 26 c located inside the car 1 relative to the second sliding door 23 is the first Therefore, even when an object is pressed from the inside of the car 1 toward the second sliding door 23 during the door opening operation of the door device, the second sliding door 23 does not move with respect to the first sliding door 22. It is possible to prevent an object from being drawn between the second sliding door 23 and the first sliding door 22 by the movement.

  In the second embodiment, an elevator door device with a two-door opening is described. However, an elevator door device with a four-door central opening may be used.

  In the second embodiment, the example in which the first connecting portion 26a is fixed to the first sliding door 22 and the urging body urges the second connecting portion 26b has been described. The portion 26b may be fixed to the first sliding door 22 and the urging body may urge the first connecting portion 26a. Further, the biasing body may bias both the first connection portion 26a and the second connection portion 26b. Moreover, both the 1st connection part 26a and the 2nd connection part 26b may be connected to the 1st sliding door 22 not via an urging | biasing body. In addition, the example in which the biasing body is provided in the first sliding door 22 and biases the second connecting portion 26b has been described, but the biasing body is provided in the second sliding door 23 and the covering portion 26c is provided via the roller 27. May be energized.

  In the second embodiment, an example in which the second sliding door 23 is provided with the roller 27 around which the cover portion 26c is wound has been described. However, the roller 27 may not be provided.

  In each of the above embodiments, the example in which the urging body is a compression spring has been described. However, the urging body may be, for example, a tension spring or the like, and is not limited to a spring. It may be an elastic body.

  Moreover, although each said embodiment demonstrated the door apparatus of the elevator which opens and closes the car entrance 4a, the door apparatus of the elevator which opens and closes a landing doorway may be sufficient.

  1 car, 2 floors, 3 walls, 4 car rooms, 4a car doorway, 5 sliding doors, 5a upper end, 5b lower end, 6 sleeve wall, 7 doorway pillar (column member), 7a first plate, 7b second Plate part, 8 operation panel, 9 bolt, 10 door hanger, 11 hanger roller, 12 door rail, 13 sill, 13a groove, 14 sliding door cover curtain, 14a first connection part, 14b second connection part, 14c cover part, 15 Roller, 16 Contact detection device, 17 Mounting bracket, 18 Contact rod, 19 Fixing bracket, 20 Compression spring (biasing body), 21 Fixing bracket, 22 First sliding door, 23 Second sliding door, 24 Sliding door cover curtain, 24a 1st contact part, 24b 2nd contact part, 24c Cover part, 25 roller, 26 Sliding door cover curtain, 26a 1st contact part, 26b 2nd contact part, 26c Cover part, 27 roller, 28 The first plate portion, 28b second plate portion 29 fixing bracket, 30 a compression spring (biasing member), 31 fixing bracket.

Claims (4)

An elevator door having a sliding door movable in a doorway direction of the doorway, and opening and closing the doorway by the movement of the sliding door;
A first connecting portion and a second connecting portion connected to a pillar member forming a side wall of the doorway; and a cover which covers the sliding door and is integrally formed with the first connecting portion and the second connecting portion. And a sliding door covering curtain having a part,
The said cover part slides with respect to the said sliding door, maintaining the state which covered the said sliding door, when the said sliding door moves to the front-entry direction of the said entrance / exit, The elevator door apparatus characterized by the above-mentioned.   The elevator door device according to claim 1, further comprising a roller provided on the sliding door and on which the covering portion is wound.   The elevator door device according to claim 1, further comprising an urging body that urges the sliding door covering curtain in a direction in which tension is applied to the covering portion. A first sliding door movable in a doorway direction; and a second sliding door movable in the doorway direction with respect to the first sliding door, the first sliding door and the second sliding door An elevator door that opens and closes the doorway by moving the sliding door;
A first connecting portion and a second connecting portion connected to the first sliding door, and a covering portion that covers the second sliding door and is integrally formed with the first connecting portion and the second connecting portion. And a sliding door covering curtain having
The cover portion moves the second sliding door in the entrance / exit direction with respect to the first sliding door, thereby keeping the second sliding door in a state of covering the second sliding door. Elevator door device characterized by sliding.

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