JPH04153189A - Elevator hall door device - Google Patents

Abstract

PURPOSE:To prevent a rise in temperature and improve safety by providing a square pipe-shaped secrete plate situated on a door stop part on the reverse face of a hall door for opening and closing a hall entrance, and cooling the hot flow entering from the door stop part by the air flowing in the inner part of the secret plate. CONSTITUTION:A secrete plate 31 is mounted on the back plate 9A of a door 5, and this secrete plate 31 is formed to have nearly a square pipe-shaped section, situated on an elevator passage 8 side of a door stop plate 28 so as to vertically guide the air by the square pipe. The door stop plate 28 has a shiplap structure at the time of closing the door 5, the hot flow entering through the door stop plate 28 is reduced, and the heat is cooled by the air passing in the inner part of the secrete plate 31. Thus, a breakage of equipments in the elevator passage 8 and safety to passengers are improved.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an elevator-landing door apparatus, and more particularly to an improvement in the structure of a landing fire-resistant door.

[Conventional technology]

6 and 7 show a conventional elevator-landing door device disclosed in Japanese Utility Model Application Publication No. 63-148885, etc. In the figures, (1) is the entrance/exit of the elevator-landing, and this entrance/exit ( 1) is provided with a three-sided frame (2), and the doorway (
A threshold (4) is installed on the landing floor (3) at the bottom of 1). The above three-sided frame (2) consists of a pair of vertical frames (2) facing each other.
a) and an upper truss (2b) installed horizontally between the upper parts of the pair of vertical frames (2a). Also, the threshold (
4), a groove (4a) is formed in the upper surface in the longitudinal direction as shown in FIG. (5) is a plurality of doors that open and close the entrance (1) with gaps, and as shown in FIG. A vertical reinforcing member (7) with a roughly hat-shaped cross section is melted vertically on the inside of the top plate (6) opposite to the design surface, and an opening on the back side of the top plate (6) on the hoistway (8) side. It consists of a back plate (9) screwed onto a cover longitudinal reinforcement (7). (10) is a door (5
As shown in FIG. 6, a plurality of rollers (11) are rotatably mounted on the vertical surface of the hanger plate (10).

(12) is a rail that is horizontally attached to the wall on the hoistway (8) side and is located above the upper rail (2b).
) engages and guides the roller (11). And (13) is a plurality of door shoes attached to the lower part of the door (5), and this door shoe (13) is the groove (
4a) so as to be slidably and loosely inserted and guided.

Therefore, the door (5) moves while being smoothly guided by the rail (12) and the groove (4a) based on engagement with the elevator car door (not shown) to open and close the entrance/exit (1).

In addition to the above-mentioned publications, prior art documents of this type include Utility Model Publication No. 55-31188, No. 59-29025, and JP-A No. 6
No. 1-75189, and USP-4,282,887.

(Problem to be Solved by the Invention) The conventional elevator-landing door device is constructed as described above, and the door (5) is attached to the car from the front plate (6), the vertical reinforcement (7), and the back plate (9). As a result, in the event of a building fire, the temperature at the back of the door (5) would rise, damaging the equipment in the elevator car and endangering the lives of passengers in the elevator car. The gap between the periphery of the entrance (1) and the door (5) (see Figure 7) functions to facilitate the opening and closing of the door (5), but in the event of a fire in the building, the smoke from the elevator-boarding area will flow into the chimney. There was a problem in that the water was allowed to flow into the hoistway (8) operated by the company, increasing the damage.

The present invention has been made in view of the above, and an object of the present invention is to provide an elevator-hall door device that can prevent equipment in a hoistway from being damaged in the event of a fire and improve safety.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention includes a door for opening and closing the entrance/exit of an elevator hall, and a rail for guiding the rollers of a hanger plate installed above the door. ,
It is characterized by comprising a sill placed at the bottom of the doorway to guide the door shoe at the bottom of the door, and furthermore, a substantially rectangular pipe-shaped hidden plate located at the door stop of the door is provided on the back side of the door. It is said that

In addition, a door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of a hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In addition, a door stop plate of a substantially interlocking structure that shifts the center of the door is provided in the door stop part of the door, and between this door stop plate and the word stop part,
It is characterized by the inclusion of insulation material.

In addition, a door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of a hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In addition, the above-mentioned door should be prepared.
It consists of a door body with a built-in vertical reinforcing material to support its own weight, and an insulating panel that is fixed to the elevator-landing side of the door body and has a built-in insulating material inside. It is characterized in that a door stop rubber along the entire length in the longitudinal direction of the door is sandwiched between a plate and a presser metal fitting fixed to the surface of the door body on the side of the heat insulating panel and positioned at the door stop part of the door.

In addition, a door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of a hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In addition, the above-mentioned door should be prepared.
It consists of a door body with built-in vertical reinforcing material and heat insulating material to support its own weight, and a heat insulating panel that is fixed to the elevator-landing side of the door body and has a built-in heat insulating material inside. A feature is that a heat insulating material is interposed in the fixed part.

A door for opening and closing the entrance to the elevator hall, a rail for guiding the roller of a hanger plate installed above the door, and a sill installed at the bottom of the entrance for guiding the door shoe at the bottom of the door. Moreover, the above-mentioned door is composed of a door body with a built-in vertical reinforcing material to support its own weight, and a heat-insulating panel fixed to the elevator-landing side surface of the door body and containing a heat-insulating material inside. The door shoe is disposed via a lower mounting plate between the lower part of the panel and the lower part of the door body located above the lower part of the heat insulating panel.

Furthermore, a door for opening and closing the entrance/exit of the elevator hall, a rail for guiding the roller of a hanger plate installed above the door, and a sill installed at the bottom of the entrance for guiding the door shoe at the bottom of the door. Moreover, the door is composed of a door body with built-in vertical reinforcing material to support its own weight, and a heat insulating panel fixed to the elevator-landing side surface of the door body and containing a heat insulating material inside. A feature is that a heat insulating material facing the vertical reinforcing material is fixed to the back plate that forms the back surface of the main body.

(Function) According to the present invention, since a substantially rectangular pipe-shaped hidden plate located at the door stop portion of the door is provided on the back surface of the door on the hoistway side, the air flowing inside the hidden plate has a cooling effect. This allows the heat conducted to the hidden plate to be cooled down.

In addition, a door stop plate with a roughly joined structure that shifts the center of the door is installed in the door stop part of the door, and a heat insulating material is inserted between this door stop plate and the word stop part. Therefore, in the event of a fire, it is possible to reduce the amount of heat flowing in from the door stop and suppress the rise in temperature of the hoistway surface.

In addition, the door is composed of a door body with a built-in vertical reinforcing material that supports its own weight, and an insulating panel that is fixed to the elevator-landing side surface of this door body and has a heat insulating material built in inside, and the surface of this insulating panel A rubber door stop along the entire longitudinal length of the door is held between a decorative board covered with the door and a presser metal fitting that is fixed to the surface of the door body on the heat insulation panel side and located at the door stop of the door. Therefore, the heat insulating panel, which is exposed to high temperatures in the event of a fire, can be separated from the door body to suppress the rise in temperature of the door hoistway surface.

In addition, the door is composed of a door body with built-in vertical reinforcing material and heat insulating material to support its own weight, and a heat insulating panel that is fixed to the elevator-landing side surface of this door body and has heat insulating material built in inside. Since the heat insulating material is interposed at the part fixed to the door body, it is possible to insulate the heat conducted to the door body via the mounting bracket and suppress the rise in temperature of the hoistway surface.

The door is constructed from a door body with built-in vertical reinforcing material to support its own weight, and a heat insulating panel fixed to the elevator/landing side surface of the door body and containing a heat insulating material inside. The door shoe is installed between the lower part of the door body located above the lower part of the insulation panel via the lower mounting plate, so the door shoe is placed near the center of gravity of the door and can be used when opening and closing the door. This can prevent door shoe wear and noise generation.

Furthermore, the door is composed of a door body with a built-in vertical reinforcing member to support its own weight, and a heat insulating panel fixed to the elevator-landing side surface of the door body and containing a heat insulating material inside, and the back side of the door body. Since a heat insulating material is fixed to the back plate that faces the vertical reinforcing material, etc., which has strong thermal conductivity, it is possible to suppress a local temperature rise on the door elevator path.

〔Example〕

Hereinafter, the present invention will be described in detail based on an embodiment shown in FIGS. 1 to 5. In the figure, (5) is a door for opening and closing the doorway (1), and this door (5) is shown in FIG. As shown, the door body (14)
and a heat insulating panel (16) with a substantially groove-shaped cross section fixed to the elevator-hall side surface of the door body (14) via a plurality of mounting brackets (15).
It is designed to provide a large insulation effect.

As shown in Fig. 2, the door body (14) is vertically welded to a top plate (6A) with a substantially groove-shaped cross section and a substantially central shaft on the inner surface of this top plate (6A), so as to reduce the weight of the door (5). Support the door (5
) and the hoistway (8) of the top plate (6A).
It is provided with a back plate (9A) that covers the back opening on the side, and a heat insulating material (17) that suppresses heat conduction to the back surface of the door (5) is inserted inside the back plate (9A). A heat insulating sheet (18) that reduces the amount of heat conduction between metals is interposed between the top plate (6A), the vertical reinforcement (78), and the back plate (9A). Further, as shown in FIG. 4, the upper part of the back plate (9^) is bent horizontally in an inverted shape to increase the strength of the upper part of the door (5).

The back plate (9^) and the front plate (6A) are connected via a long length to prevent bimetal-like deformation caused by temperature differences between the respective members in the event of a fire. Also,
As shown in FIG. 4, an upper reinforcing material (19) is fixed to the upper part of the door body (14), and this upper reinforcing material (19) is located above the doorway (1) and is attached to the upper part of the door (5). It is designed to suppress the temperature rise of the door (5) and support the weight of the door (5). Note that a heat insulating material (17A) is inserted into the upper reinforcing material (19) to suppress heat conduction in the upper part of the door (5). At the bottom of the door body (14), as shown in Figure 5,
A lower reinforcement (20) is provided, the lower reinforcement (20)
) is inserted with a heat insulating material (17B).

On the other hand, as shown in FIG. 2, the mounting bracket (15) has a substantially double-shaped cross section to reduce the metal contact part, and one end is screwed onto the surface of the top plate (6A) via a fastener. The other end is fixed to the inner surface of the insulation panel (16), and the heat conduction path from the insulation panel (16) to the door body (14) is lengthened to suppress the temperature rise on the hoistway (8-bi surface). In addition, between one end of the mounting bracket (15) and the top plate (68), there is a heat insulating sheet for insulating heat conducted from the mounting bracket (15) to the top plate (6A). 18A) is interposed.

On the other hand, as shown in Fig. 2, the insulation panel (16) has a decorative board (21) with a substantially groove-shaped cross section covered with an excellent design on its surface on the elevator-landing side, and a top board (6^). A heat insulating material (17C) is inserted between. The decorative board (21)
and a heat insulating panel (16) are connected via a long length to prevent bimetal-like deformation caused by temperature differences between the various members in the event of a fire. In addition, the heat insulating material (17 (
:) is made of an expensive material with better heat resistance than the above-mentioned heat insulating material (17), and is designed to effectively perform the heat insulating function of the heat insulating panel (16), which is exposed to high temperatures in the event of a fire. Furthermore, this insulation material (17C) is formed into a string-like insulation material that is difficult to form gaps on both sides, and a board-shaped insulation material that is convenient for assembly work in the center. has been inserted. Further, both sides of the heat insulating panel (16) form a gap between the door body (14) and the door body (14) to suppress a rise in temperature on the hoistway (8) surface. And 3i on the top of the insulation panel (16)! As shown in Figure 4, an inverted-shaped upper mounting bracket (22) located above the entrance/exit (1) is fixed, and this upper mounting bracket (22) is attached to the top plate (6A) via a heat insulating sheet (18B). is fixed at the top of the. Furthermore, the lower part of the insulation panel (16) is the fifth
As shown in the figure, a lower mounting plate (23) is located below the lower part of the door body (14) and is screwed between the lower reinforcing member (20) and the lower mounting plate (23) and the lower reinforcing member. Material (20
) A heat insulating sheet (18C) is interposed between the two. As shown in Figure 5, the lower mounting plate (23) has a bottom part located above the lower end of the decorative board (2 pieces) that expands due to the heat of a fire and closes the gap with the sill (4). Expandable material (
24) is attached, and a heat rectifier plate (24) is attached to the stepped part of the elevation.
5) is screwed on, and a door shoe (13) that is loosely inserted into the groove (4a) is attached to the lower part of this heat rectifying plate (25). Therefore, the door shoe (13) will be located near the center of gravity of the door (5). In addition, the heat rectifier plate (2
5) and the groove (4a) have a mating structure.

(26) is a high temperature section cover attached to the back plate (9A),
As shown in Figure 2, this high temperature section cover (2B) faces the vertical reinforcement (7A) and is connected to the back plate (9A) via the vertical reinforcement (7^) with high thermal conductivity. A heat insulating sheet (18D) is interposed to insulate the conducted heat.

In addition, in this example, the heat insulating sheet (180) is provided with a vertical reinforcing material (
7A) is shown, but it is not limited to this as long as it is a part with high thermal conductivity.

(25A) is a heat rectifying plate with a cross-section shaped like a cross section attached to one side of the decorative board (21) on the door pocket side, and (27) is a three-sided frame (
2) A board with a road-shaped cross section attached to the vertical frame (2a),
As shown in Figure 2, this plate (27) and the heat rectifier plate (25A) overlap when the door (5) is closed, creating a structure in which the vertical frame (2b) and the door are filled with heat. (5) from flowing into the hoistway (8).

(28) is a door stop plate attached to the close and opposing door stop parts of the door bodies (14) and (14), and this door stop plate (28) is shown in Figures 2 and 3. As shown, a heat insulating material (170) is inserted inside the door (
5) when closed, they face each other closely with a gap between them, and are wrapped to form an interlocking structure, thereby suppressing the amount of smoke accompanied by heat flowing into the hoistway (8) from the door stop. In addition, due to its structure, the door stop plate (28) shifts the center of the door (5) from the center of the actual entrance (1), so that the left and right doors (5)
) and (5) are made equal. (29) is the door stop plate (28) located on the left side of the third diagram.
This is a holding metal fitting attached to the surface of the elevator on the landing side, and this holding metal fitting (29) and the decorative board (21) are
Door stop rubber (30
) is held in between, and the door stop rubber (30) comes into contact with the decorative panel (21) on the right side in the third figure when the door (5) is closed.

(24A) is an inflatable material sandwiched between the door stop plate (28) and the decorative board (21) on the right side of the third figure;
) expands due to the heat of the fire, causing the decorative board (21
) and the left door stop plate (28) to prevent smoke accompanied by heat from flowing into the hoistway (8) through the gap.

(31) is a hidden plate attached to the back plate (9^), and as shown in Fig. 3, this hidden plate (31) is formed into a substantially rectangular pipe shape in cross section, and is used to raise and lower the door stop plate (28). It is located on the road (8) side and is designed to guide the air that performs the cooling effect in the vertical direction.

(10) is a hanger plate installed on the top of the back plate (9A) that constitutes the door body (14), and the rotatable roller (11) of this hanger plate (10) is attached to the door (5).
It is designed to be engaged with and guided by a rail (12) that suspends the vicinity of the center of gravity. (32) is a hanger case that incorporates this rail (12), landing door device, etc. This hanger case (32) has a
A hole is made to release the heat flow flowing into the inside, and a heat insulating material (17E) is pasted on the inner surface of the hanger case cover (33) as shown in FIG. In addition, an inverted-shaped heat rectifier plate (25B) is attached to the wall of the hoistway (8) above the hanger case (32) at a distance from the hanger case (32). At the top,
Holes are provided to release the heat flow that has flowed into the hanger case (32). (34) is a heat insulating panel (
1δ) and the upper frame (2b) of the three-sided frame (2)
This is an inverted-shaped upper joint plate (34) located above the door (34), and the width dimension of the upper joint plate (34) is larger than the width dimension of the door (5). (27A+ is Kamiazusa (2b)
It is an L-shaped board installed vertically on the door (5), and this board (f27A) and the upper joint board (34) are as shown in Figure 4.
) When the shaft (2b) and the door (5) are blocked, the smoke with heat wraps around the hoistway (8) and forms a merging structure.
). As shown in Fig. 4, the upper part of the inner surface of the upper interlocking plate (34) expands due to the heat caused by the fire, and the upper interlocking plate (34)
An expansion material (24B) is attached to close the gap between the plate (27A) and the plate (27A). Furthermore, an L-shaped heat rectifier plate (25C) is installed on the top of the upper joint plate (34). As shown, when the door (5) is closed, the door (5) wraps to form a mating structure to prevent smoke accompanied by heat from flowing into the inside of the hanger case (32).

According to the above configuration, as shown in FIG. 3, the hidden plate (31) is attached to the back plate (9^) of the door stop portion of the door (5), which is located away from the elevator-hall side. It is possible to prevent a temperature rise due to the heat flow flowing in from the contact area, thereby significantly improving safety. Also, in the event of a fire, a hidden board (3
1) is hidden and cooled by the air flowing inside the board (31), making it possible to prevent damage to equipment in the hoistway (8) and significantly improve passenger safety. Become.

In addition, as shown in Figure 3, the door stop plates (28) and (28) of the door (5) exhibit an interlocking structure when the door (5) is closed. It is possible to suppress the temperature rise on the hoistway (8) surface by reducing the
5) It becomes possible to make the strokes of (5) the same.

In addition, since the rubber door stopper (3o) separates the heat insulating panel (16), which is exposed to high temperatures in the event of a fire, from the door body (14), it suppresses the temperature rise on the hoistway (8) surface of the door (5). This makes it possible to prevent damage to equipment in the hoistway (8) and significantly improve passenger safety.

In addition, a heat insulating sheet (16A) is placed between one end of the mounting bracket (15) and the top plate (6A), a heat insulating sheet (16B) is placed between the top mounting bracket (22) and the top plate (6A), and a heat insulating sheet (16B) is placed between the bottom mounting bracket (22) and the top plate (6A). Board (
23) and the lower reinforcing material (20).
C) are arranged interveningly, so a heat insulating material is placed in the heat conduction path from the heat insulating panel (16) to the door body (14) to suppress the temperature rise on the hoistway (8) surface, It is possible to prevent damage to equipment in the road (8) and significantly improve passenger safety.

Since the door shoe (13) is attached to the heat rectifier plate (25) screwed to the stepped vertical part of the lower mounting plate (23), the door shoe (13) is attached near the center of gravity of the door (5). It is possible to significantly suppress the wear and noise of the door shoe (13) when the door (5) is opened and closed.

Furthermore, between the high temperature part cover (26) and the back plate (9A),
Since a heat insulating sheet (18D) is interposed to insulate the heat conducted via the vertical reinforcing material (7^) with high thermal conductivity, the temperature of the hoistway (8) surface of the door (5) is reduced. By arranging the heat insulating material in the part where the temperature rises rapidly, it is possible to reliably suppress the local temperature rise on the surface of the hoistway (8) of the door (5).

(Effects of the Invention) As described above, according to the present invention, since the hidden plate is attached to the back plate of the door stop portion of the door, which is remote from the elevator-hall side, the inflow from the word stop portion It is possible to significantly improve safety by preventing temperature rise due to heat flow. In addition, since the air flowing inside the concealing plate cools the heat that has been conducted during a fire, it is possible to prevent damage to equipment in the hoistway and significantly improve passenger safety.

In addition, since the door stop plate of the door has an interlocking structure when the door is closed, it is possible to reduce the heat flow flowing in from the door stop in the event of a fire, suppressing the rise in temperature of the hoistway surface, and also suppressing the rise in temperature of the hoistway surface. By shifting the center of attachment, it is possible to equalize the strokes of the left and right doors.

In addition, the door stop rubber separates the heat insulating panel, which would be exposed to high temperatures in the event of a fire, from the door body, which suppresses the temperature rise on the door hoistway surface, prevents damage to equipment in the hoistway, and improves passenger safety. It is possible to significantly improve the performance.

In addition, a heat insulating sheet is interposed between one end of the mounting bracket and the top plate, a heat insulating sheet is interposed between the top mounting bracket and the top plate, and a heat insulating sheet is interposed between the bottom mounting plate and the bottom reinforcing material. By placing a heat insulating material in the heat conduction path to the door body, it is possible to suppress the rise in temperature of the hoistway surface, prevent damage to equipment in the hoistway, and significantly improve passenger safety.

Since the door shoe is attached to the heat rectifying plate screwed onto the vertical stepped part of the lower mounting plate, the door shoe is placed near the center of gravity of the door to reduce wear and noise of the door shoe when opening and closing the door. This makes it possible to significantly suppress this.

Furthermore, a heat insulating sheet is interposed between the high-temperature part cover and the back plate to insulate the heat conducted via the vertical reinforcing material with high thermal conductivity. By arranging a heat insulating material in the door, it is possible to reliably suppress a local temperature rise on the doorway surface.

[Brief explanation of drawings]

Fig. 1 is a front view of an embodiment of the elevator-landing door device according to the present invention as seen from the elevator-landing side, Fig. 2 is a sectional view taken along the line II--II of Fig. 1, and Fig. 3 is a closed door. Fig. 4 is an upper longitudinal sectional view showing the door and landing door device, Fig. 5 is a longitudinal sectional view showing the lower part of the door, and Fig. 6 is a conventional elevator-landing structure. FIG. 7 is a rear view showing the door device, and a sectional view taken along the line ■--■ in FIG. 6. In the diagram, (1) is the entrance/exit, (4) is the threshold, (5) is the door, (
6)・(6A) is the top plate, (7)・(7A) is the vertical reinforcement,
(8) is the hoistway, (9) and (9A) are the back plate, (10) is the hanger plate, (11) is the roller, (12) is the rail, (13) is the door shoe, (14) is the door body, (15
) is the mounting bracket, (16) is the insulation panel, (17) and (1
7^)・(17B)・(17C)・(17D)・(17
E) is a heat insulating material, (18)・(18A)・(18B)・(
18G) and (18D) are insulation sheets, (21) are decorative panels, (23) are lower mounting plates, (26) are high temperature section covers (
28) is a door stop plate, (29) is a presser metal fitting, (30) is a door stop rubber, and (31) is a hidden plate. In addition, the same reference numerals in the drawings indicate the same or equivalent parts.

Claims (6)

[Claims] (1) A door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of the hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. 1. An elevator landing door device comprising: a substantially rectangular pipe-shaped hidden plate located at a door stop portion of the door on the back side of the door. (2) A door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of the hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In the elevator landing door device equipped with the above-mentioned elevator landing door device, a door stop plate of a substantially interlocking structure that shifts the center of the door is provided on the door stop portion of the door, and a heat insulation is provided between the door stop plate and the door stop portion. An elevator landing door device characterized by inserting a material. (3) A door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of the hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In the elevator landing door device, the door is composed of a door body incorporating a vertical reinforcing member to support its own weight, and a heat insulating panel fixed to the elevator landing side surface of the door body and containing a heat insulating material inside. A door stop along the entire longitudinal length of the door is attached to the decorative board that covers the surface of the heat insulating panel and the holding metal fitting that is fixed to the face of the door body on the heat insulating panel side and located in the door stop part of the door. An elevator landing door device characterized by sandwiching rubber. (4) A door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of the hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In the elevator landing door device, the door is comprised of a door body that has a built-in vertical reinforcing material that supports its own weight and a heat insulating material, and a heat insulating panel that is fixed to the surface of the door body on the elevator landing side and has a heat insulating material built in inside. At the part where the insulation panel is fixed to the door body,
An elevator landing door device characterized by interposing a heat insulating material. (5) A door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of the hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In the elevator landing door device, the door is composed of a door body incorporating a vertical reinforcing member to support its own weight, and a heat insulating panel fixed to the elevator landing side surface of the door body and containing a heat insulating material inside. An elevator landing door device, characterized in that the door shoe is disposed via a lower mounting plate between the lower part of the heat insulating panel and the lower part of the door body located above the lower part of the heat insulating panel. (6) A door that opens and closes the entrance to the elevator hall, a rail that guides the rollers of the hanger plate installed above the door, and a sill installed at the bottom of the entrance that guides the door shoe at the bottom of the door. In the elevator landing door device, the door is composed of a door body incorporating a vertical reinforcing member to support its own weight, and a heat insulating panel fixed to the elevator landing side surface of the door body and containing a heat insulating material inside. An elevator landing door device, characterized in that a heat insulating material facing a vertical reinforcing material or the like is fixed to a back plate constituting the back surface of the door body.