JP2006206204A - Landing door device for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a landing door device for an elevator capable of securing smoke shut-off performance with a smoke shut-off member and capable of preventing projection of the smoke shut-off member inside a landing gate-way in the condition wherein the door is closed. <P>SOLUTION: A door stop side vertical frame 3 and a door pocket side vertical frame 4 are provided in both side parts of the landing gate-way 1. The landing gate-way 1 is opened/closed by a low-speed door 6 and a high-speed door 7. The door stop side vertical frame 3 is provided with a recessed part 12, into which a door closing side end part of the high-speed door 7 is inserted in the condition wherein the door is closed. A door opposition member 11 is arranged in the recessed part 12. The door opposition member 11 is opposite to a door closing side end of the high-speed door 7 in the width direction of the landing gate-way 1. The door closing side end part of the high-speed door 7 is provided with a door stop side shield member 10 to be brought in contact with the door opposition member 11 to shield a clearance between the high-speed door 7 and the door opposition member 11. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an elevator hall door device that opens and closes an elevator hall entrance / exit.

  In a conventional elevator hall door device, a door stop rubber for improving smoke shielding performance may be attached to the door closing side end of the hall door. The door stop rubber comes into contact with the door stop side vertical frame when the door is closed. Thereby, the clearance gap between a landing door and a door stop side vertical frame is shielded, and it prevents that the smoke which generate | occur | produced at the time of a fire approaching into a hoistway from a landing doorway (for example, refer patent document 1).

JP-A-8-165081

  However, when the gap between the landing door and the door-holding side vertical frame is large in the door-closed state, in order to shield the gap, the door-contact rubber must be protruded greatly from the landing door to the door-closing side. Therefore, when the door is open, the door stop rubber protrudes to the inside of the landing entrance.

  The present invention has been made with the object of solving the above-described problems, and it is possible to ensure the smoke shielding property by the smoke shielding member and to the inside of the landing doorway when the door is opened. An object of the present invention is to provide an elevator hall door device capable of preventing the smoke shielding member from protruding.

  The elevator landing door device according to the present invention is a single-opening type landing door that opens and closes the landing entrance by being displaced in the direction of the entrance of the landing entrance, and the door closing side end of the landing door is inserted when the door is closed. A door stop side vertical frame provided on one side of the landing doorway, provided in the door stop side vertical frame and disposed in the concave portion, and the door of the landing door in the entrance direction of the landing doorway A door-facing member facing the closed-side end, and a clearance between the landing door and the door-facing member by contacting the door-facing member when the door is closed, provided at the door-closing end of the landing door The door stop side shielding member which shields is provided.

  In the elevator landing door device according to the present invention, the door-contacting side shielding member is provided at the door-closing side end of the high-speed door 7, and the door-facing member that contacts the door-contacting side shielding member when the door is closed is the door. Since it is provided in the contact side vertical frame, the projection amount of the door contact side shielding member to the door closing side can be reduced as compared with the case where the door contact side shielding member is brought into direct contact with the door contact side vertical frame. . Thereby, while being able to ensure the smoke-shielding performance at the time of a door closed state, it can aim at prevention of the protrusion of the door stop side shielding member to the inner side of a landing doorway at the time of a door open state.

Embodiment 1 FIG.
1 is a front view showing a landing door device for an elevator according to Embodiment 1 of the present invention. FIG. 1 is a view showing a landing door device for an elevator when the landing doorway is closed. In the drawing, an entrance / exit frame 2 is fixed to both sides and an upper portion of the landing entrance 1. The entrance / exit frame 2 includes a door stop side vertical frame 3 provided on one side of the hall entrance / exit 1, a door pocket side vertical frame 4 provided on the other side of the hall entrance / exit 1, and a door stop side vertical frame 3. And the upper frame 5 provided horizontally between each upper end part of the door pocket side vertical frame 4 (FIG. 1).

  The hall entrance 1 is opened and closed by a low-speed door 6 and a high-speed door 7 which are two single-opening type landing doors that can be displaced in the opening direction of the hall entrance 1. The low speed door 6 is displaced at a lower speed than the high speed door when the landing doorway 1 is opened and closed. The low-speed door 6 and the high-speed door 7 are respectively displaced on paths arranged so as to be shifted from each other in the thickness direction of the doors 6 and 7. In this example, the low speed door 6 is displaced along the route on the landing side, and the high speed door 7 is displaced along the route on the hoistway side.

  FIG. 2 is a cross-sectional view taken along the line II-II in FIG. FIG. 3 is a sectional view showing the elevator landing door device when the landing doorway 1 of FIG. 2 is open. In the figure, a door pocket in which the low speed door 6 and the high speed door 7 are accommodated when the door is open is arranged on the hoistway side of the vertical door frame 4. In addition, the door pocket side vertical frame 4 is produced by bending a metal plate so that a horizontal cross-sectional shape becomes a substantially rectangular shape.

  The door stop side vertical frame 3 includes a landing side frame portion 3a exposed to the landing side, a parallel frame portion 3b extending outward from the hoistway side end of the landing side frame portion 3a toward the entrance direction of the landing entrance 1 and a parallel frame portion. 3b has a vertical frame portion 3c extending from the outer end in the frontage direction toward the hoistway side, and a hoistway side frame portion 3d provided at the hoistway side end portion of the vertical frame portion 3c. The vertical frame portion 3c is perpendicular to the parallel frame portion 3b in the horizontal cross section.

  Moreover, the door stop side vertical frame 3 is provided with a recess 12 formed by a parallel frame portion 3b and a vertical frame portion 3c. When the door is closed, the recess 12 is inserted with the door closing side end of the high speed door 7. The door stop side vertical frame 3 is manufactured by bending a metal plate so that the landing side frame portion 3a, the parallel frame portion 3b, the vertical frame portion 3c, and the hoistway side frame portion 3d are integrated.

  The door-facing side vertical frame 3 is provided with a door facing member 11 disposed in the recess 12. The door facing member 11 is provided at a facing portion 11a facing the door closing side end portion of the high speed door 7 in the entrance direction of the hall entrance 1 and at one end portion of the facing portion 11a, and is attached to the hoistway side frame portion 3d. 1 attachment part 11b and the 2nd attachment part 11c provided in the other end part of the opposing part 11a, and attached to the parallel frame part 3b. The facing portion 11a is disposed on the door opening side with respect to the vertical frame portion 3c. That is, the facing portion 11a is disposed between the high-speed door 7 and the vertical frame portion 3c in the entrance direction of the landing entrance 1. The door facing member 11 is manufactured by bending a metal plate so that the facing portion 11a, the first mounting portion 11b, and the second mounting portion 11c are integrated. Moreover, the 1st and 2nd attaching parts 11b and 11c are attached to the door stop side vertical frame 3 with a screw | thread or welding.

  The door opening side end of the low speed door 6 is an elastic body that shields the gap between the low speed door 6 and the door pocket side vertical frame 4 by contacting the door pocket side vertical frame 4 when the door is closed. A door pocket side shielding member (smoke shielding member) 8 is provided. Further, the door opening side end portion of the high speed door 7 is an elastic body that shields the gap between the high speed door 7 and the low speed door 6 by contacting the low speed door 6 when the door is closed. A shielding member (smoke shielding member) 9 is provided. Furthermore, the door which is the elastic body which shields the clearance gap between the high speed door 7 and the door opposing member 11 by contacting the opposing part 11a at the door closing side edge part of the high speed door 7 in a door closed state. A contact side shielding member (smoke shielding member) 10 is provided. Examples of the elastic body include glass wool wound with glass cloth, glass fiber, rubber, resin, and the like.

  The door-case-side shielding member 8 and the door-to-door shielding member 9 are arranged perpendicular to the entrance direction of the hall entrance 1. The door stop side shielding member 10 is arranged along the frontage direction of the hall entrance 1. The door pocket side shielding member 8, the door-to-door shielding member 9, and the door contact side shielding member 10 are arranged over the entire dimensions of the low speed door 6 and the high speed door 7 in the height direction.

  Next, the operation will be described. When the door is open, both the low speed door 6 and the high speed door 7 are accommodated in the door pocket. When the door is closed, the low speed door 6 and the high speed door 7 are displaced in the door closing direction. At this time, the high speed door 7 is displaced in the door closing direction at a higher speed than the low speed door 6.

  Thereafter, each of the door pocket side shielding member 8, the door side shielding member 9 and the door contact side shielding member 10 comes into contact with the door pocket side vertical frame 4, the low speed door 6 and the door facing member 11. Thereby, the hall entrance 1 is closed, and the gap between the entrance frame 2 and the hall doors 6 and 7 is shielded.

  When the door is opened, the landing entrance 1 is opened by the reverse operation to the above, and the shielding of the gap between the entrance frame 2 and the landing doors 6 and 7 is released.

  In such an elevator landing door device, the door-contacting side shielding member 10 is provided at the door-closing side end portion of the high-speed door 7, and the door-facing member 11 comes into contact with the door-contacting side shielding member 10 when the door is closed. Is provided in the door stop side vertical frame 3, the amount of protrusion of the door stop side shield member 10 toward the door closing side is compared with the case where the door stop side shield member 10 is brought into direct contact with the door stop side vertical frame 3. Can be reduced. Thereby, while being able to ensure the smoke-shielding performance at the time of a door closed state, it can aim at prevention of the protrusion of the door-contacting side shielding member 10 to the inner side of the landing doorway 1 at the time of a door open state.

  Moreover, since the protrusion amount of the door stop side shielding member 10 can be made small only by attaching the door facing member 11 to the existing door stop side vertical frame 3, the work can be easily performed in a short time. Furthermore, since it is not necessary to replace the existing entrance / exit frame with a new entrance / exit frame, a significant increase in cost can be prevented.

  Further, the door opening side end of the low-speed door 6 is in the door-closing side that shields the gap between the low-speed door 6 and the door-bag side vertical frame 4 by contacting the door-bag side vertical frame 4 when the door is closed. Since the shielding member 8 is provided, the smoke shielding performance when the door is closed can be further improved.

  In the above example, the present invention is applied to a single-opening type landing door device in which the landing doorway 1 is opened and closed by two landing doors 6 and 7, but the landing doorway 1 is formed by three or more landing doors. The present invention may be applied to a single-opening type landing door device that is opened and closed.

It is a front view which shows the elevator landing door apparatus by Embodiment 1 of this invention. It is sectional drawing along the II-II line of FIG. It is sectional drawing which shows the landing door apparatus of an elevator when the landing doorway of FIG. 2 is open.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Entrance doorway, 3 Door contact side vertical frame, 4 Door bag side vertical frame, 6 Low speed door (landing door), 7 High speed door (landing door), 8 Door bag side shielding member, 10 Door contact side shielding member, 11 Door facing member , 12 recess.

Claims (2)

A single-opening type landing door that opens and closes the landing entrance by being displaced toward the entrance of the landing entrance,
A recessed portion into which the door closing side end of the landing door is inserted when the door is closed, and a door contact side vertical frame provided on one side of the landing doorway;
A door-facing member that is provided in the vertical frame on the door-side and that is disposed in the recess and faces the door-closing side end of the landing door in the entrance direction of the landing doorway; and the door-closing side end of the landing door Provided with a door-contacting side shielding member that shields a gap between the landing door and the door facing member by contacting the door facing member when the door is closed. Elevator landing door device. On the other side of the landing doorway, a door pocket side vertical frame is provided,
The door opening side end portion of the landing door has a door pocket side shielding member that blocks the gap between the landing door and the door pocket side vertical frame by contacting the door pocket vertical frame when the door is closed. The elevator landing door device according to claim 1, wherein the elevator landing door device is provided.

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