JPWO2020016955A1 - Elevator landing entrance / exit device - Google Patents

Abstract

In the elevator landing entrance / exit device, a high-speed door fireproof plate is fixed to the end of the high-speed door panel on the door pocket side. A protruding member is provided on the back surface of the low-speed panel, which is the surface of the low-speed panel on the hoistway side. The high-speed door fire protection plate has a facing portion facing the back surface of the low-speed panel. The facing portion is provided with a notch through which the projecting member passes. A slit is provided from the lower edge of the notch downward. The slit is located directly below the protruding member when the high speed door panel and the low speed door panel are in the fully closed position.

Description

The present invention relates to an elevator landing entrance / exit device provided at a landing entrance / exit.

In the door device of a conventional elevator, a low-speed side standing portion and a high-speed side standing portion are provided on the upper frame of the three-sided frame. A low-speed fire protection member is fixed to the upper end of the low-speed door. A high-speed side fire protection member is fixed to the upper end of the high-speed door. The low-speed side fire protection member faces the low-speed side upright portion. The high-speed side fire protection member faces the high-speed side upright portion (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2008-12015

With the conventional elevator door device as described above, when the high-speed door and the low-speed door are deformed by a fire, it is not possible to suppress the gap generated at the end of the high-speed door and the low-speed door in the width direction.

The present invention has been made to solve the above problems, and an object of the present invention is to obtain an elevator landing entrance / exit device capable of suppressing a gap generated at the widthwise end of a door panel in the event of a fire. ..

The landing entrance / exit device of the elevator according to the present invention includes a high-speed door panel, a low-speed door panel having a low-speed panel main part facing the landing, a high-speed door fireproof plate fixed to the end of the high-speed door panel on the door pocket side, and a low-speed door. The high-speed door fire protection plate is provided with a protruding member provided on the back surface of the low-speed panel, which is the surface on the hoistway side of the main part of the panel, and the high-speed door fireproof plate faces the back surface of the low-speed panel when the high-speed door panel and the low-speed door panel are in the fully closed position. The facing portion is provided with a notch through which the projecting member passes when the high-speed door panel and the low-speed door panel are in the fully closed position, and a slit is provided downward from the lower edge of the notch. The slit is located directly below the protruding member when the high speed door panel and the low speed door panel are in the fully closed position.
Further, the elevator landing entrance / exit device according to the present invention is provided on the side portion of the landing entrance / exit, and is provided at the end of the vertical frame, the door panel, and the door panel on the door pocket side, which has a vertical frame main portion facing the landing. The door fireproof plate is provided with a fixed door fireproof plate and a protruding member provided on the back surface of the vertical frame, which is the surface of the vertical frame main part on the hoistway side, and the door fireproof plate is a vertical frame when the door panel is in the fully closed position. It has a facing portion facing the back surface, and the facing portion is provided with a notch through which the projecting member passes when the door panel is in the fully closed position, and a slit is provided downward from the lower edge of the notch. It is provided and the slit is located directly below the protruding member when the door panel is in the fully closed position.
Further, the elevator landing entrance / exit device according to the present invention is provided on the upper part of the landing entrance / exit, and has a lower surface portion facing the landing entrance / exit and a back surface portion of the lower surface portion protruding upward from the end of the hoistway side. The upper frame, the door panel, the panel upper fireproof plate fixed to the end opposite to the door pocket on the upper surface of the door panel, and the position facing the panel upper fireproof plate when the door panel is in the fully closed position. The upper frame fireproof plate is provided with an upper frame fireproof plate fixed to the upper frame, and the upper frame fireproof plate is raised and lowered from the fixed portion fixed to the lower surface portion, the rising portion protruding upward from the fixed portion, and the upper end of the rising portion. It has an upper protruding portion protruding toward the road side, and the panel upper fireproof plate protrudes downward from the lower protruding portion protruding from the upper surface of the door panel to the landing side and the lower protruding portion on the landing side. It has a tip portion, and when the door panel is in the fully closed position, the lower protruding portion faces the upper protruding portion and the tip portion faces the rising portion.
Further, the elevator landing entrance / exit device according to the present invention is provided at the lower part of the landing entrance / exit, is provided at the landing threshold having a threshold groove, the door panel, and the lower part of the door panel, and is inserted into the landing threshold. At the end of the lower fireproof plate on the opposite side of the door pocket, there is an insertion part that protrudes to the opposite side of the door pocket in the sill groove, and the door panel is on the landing sill. A regulating section is provided to regulate the upward movement of the insertion section when in the fully closed position.

According to the elevator landing entrance / exit device of the present invention, it is possible to suppress a gap generated at the widthwise end of the door panel in the event of a fire.

It is a front view of the elevator landing entrance / exit device according to the first embodiment of the present invention as viewed from the hoistway side. It is sectional drawing which follows the line II-II of FIG. It is sectional drawing which follows the line III-III of FIG. It is a front view which looked at the high-speed door fire protection plate of FIG. 2 along the arrow IV. It is a side view which looked at the main part of the 1st vertical frame and low-speed door panel of FIG. 1 along the arrow V. It is sectional drawing which follows the VI-VI line of FIG. It is a front view which looked at the low-speed door fire protection plate of FIG. 5 along the arrow VII. It is a side view which shows the structure of the part A and part B of FIG. It is sectional drawing which follows the IX-IX line of FIG. It is a top view which shows the landing threshold of FIG. It is a perspective view which shows the 2nd cover of FIG. 9 is a side view showing the end portions of the first and second lower fireproof plates of FIG. 9 on the door stop side.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1.
FIG. 1 is a front view of the elevator landing / exit device according to the first embodiment of the present invention as viewed from the hoistway side.

In the figure, a three-sided frame 2 is provided at the landing entrance / exit 1. The three-sided frame 2 has a first vertical frame 3, a second vertical frame 4, and an upper frame 5. The first vertical frame 3 is fixed to the side portion of the landing entrance 1 on the door pocket 6 side. The second vertical frame 4 is fixed to the side of the landing entrance / exit 1 opposite to the door pocket 6, that is, the door stop side. The upper frame 5 is horizontally fixed between the upper end portion of the first vertical frame 3 and the upper end portion of the second vertical frame 4.

A hanger case 7 is fixed to the upper part of the landing entrance 1. The hanger case 7 is provided with a high-speed side door rail 8 and a low-speed side door rail 9. The high-speed side door rail 8 and the low-speed side door rail 9 are arranged at the same height position, parallel to each other and horizontally.

The landing entrance 1 is opened and closed by the high-speed door 11 and the low-speed door 12. The high-speed door 11 is located closer to the door stop than the low-speed door 12 when it is in the fully closed position. The low-speed door 12 is located closer to the door pocket 6 than the high-speed door 11 when it is in the fully closed position.

The high-speed door 11 is arranged on the hoistway side of the low-speed door 12. When the high-speed door 11 and the low-speed door 12 are in the fully closed position, the end of the high-speed door 11 on the door pocket side overlaps with the end of the low-speed door 12 on the door stop side when viewed from the hoistway side.

Further, the high-speed door 11 and the low-speed door 12 open and close in conjunction with a pair of car doors (not shown) when a car (not shown) lands on the floor. At this time, the high-speed door 11 moves at a higher speed than the low-speed door 12.

The high-speed door 11 has a high-speed door panel 13, a high-speed door hanger 14, a first lower reinforcing member 15, and a pair of first door shoes 16.

The high-speed door hanger 14 is fixed to the upper part of the high-speed door panel 13. The high-speed door hanger 14 is provided with a pair of high-speed door rollers 17. Each high-speed door roller 17 moves while rolling on the high-speed side door rail 8 when the high-speed door 11 is opened and closed. The high-speed door 11 is suspended from the high-speed side door rail 8.

The high-speed door panel 13 has a flat plate-shaped high-speed panel main portion 13a facing the landing. The first lower reinforcing member 15 is fixed to the lower part of the high-speed panel back surface 13b, which is a surface of the high-speed panel main portion 13a on the hoistway side. The pair of first door shoes 16 are fixed to the lower end of the high-speed door panel 13.

The low speed door 12 has a low speed door panel 18, a low speed door hanger 19, a second lower reinforcing member 20, and a pair of second door shoes 21.

The low speed door hanger 19 is fixed to the upper part of the low speed door panel 18. The low speed door hanger 19 is provided with a pair of low speed door rollers 23. Each low-speed door roller 23 moves while rolling on the low-speed side door rail 9 when the low-speed door 12 is opened and closed. The low speed door 12 is suspended from the low speed side door rail 9.

The low-speed door panel 18 has a flat plate-shaped low-speed panel main portion 18a facing the landing. The second lower reinforcing member 20 is fixed to the lower part of the low speed panel back surface 18b, which is the hoistway side surface of the low speed panel main portion 18a. The pair of second door shoes 21 are fixed to the lower end of the low speed door panel 18.

A landing threshold 22 is fixed at the bottom of the landing entrance 1. The landing threshold 22 is provided with a high-speed side threshold groove 22a and a low-speed side threshold groove 22b. The high-speed side threshold groove 22a and the low-speed side threshold groove 22b are provided parallel to each other along the opening / closing direction of the high-speed door 11 and the low-speed door 12.

The pair of first door shoes 16 are inserted into the high-speed side threshold groove 22a. The pair of second door shoes 21 are inserted into the low speed side threshold groove 22b.

Next, the configuration between the high-speed door panel 13 and the low-speed door panel 18 will be described. FIG. 2 is a cross-sectional view taken along the line II-II of FIG. Further, FIG. 3 is a cross-sectional view taken along the line III-III of FIG. The low-speed door panel 18 has a low-speed panel side surface portion 18c and a low-speed panel folded portion 18d in addition to the low-speed panel main portion 18a.

The low-speed panel side surface portion 18c projects at a right angle from the side portion of the low-speed panel main portion 18a on the door stop side to the hoistway side. The low-speed panel folded-back portion 18d projects at a right angle from the end of the low-speed panel side surface portion 18c on the hoistway side toward the door pocket 6.

A high-speed door fireproof plate 31 is fixed to the end of the high-speed door panel 13 on the door pocket side. The high-speed door fireproof plate 31 is continuously provided over the entire or substantially the entire vertical direction of the high-speed door panel 13.

Further, the high-speed door fireproof plate 31 has a flat plate-shaped first fixing portion 31a and a flat plate-shaped first facing portion 31b. The first fixing portion 31a is overlapped and fixed on the end surface of the high-speed door panel 13 on the door pocket side. The first facing portion 31b projects at a right angle from the end of the first fixing portion 31a on the landing side to the door stop side. The cross-sectional shape of the high-speed door fireproof plate 31 is L-shaped.

Further, when the high-speed door panel 13 and the low-speed door panel 18 are in the fully closed position, the first facing portion 31b faces the low-speed panel back surface 18b and the low-speed panel folded portion 18d.

Further, the coefficient of linear expansion of the high-speed door fireproof plate 31 is lower than the coefficient of linear expansion of the low-speed door panel 18.

A first protruding member 32 is provided below the back surface 18b of the low speed panel. The first protruding member 32 is fixed to the second lower reinforcing member 20. The outer shape of the first protruding member 32 is, for example, bolt-shaped. Further, the first protruding member 32 has a first flange portion 32a and a first rod portion 32b. The first flange portion 32a is fixed to the second lower reinforcing member 20. The first rod portion 32b projects from the first flange portion 32a toward the hoistway side.

FIG. 4 is a front view of the high-speed door fireproof plate 31 of FIG. 2 as viewed along the arrow IV. The first facing portion 31b is provided with a first notch 31c. The first notch 31c is provided only in a part of the high-speed door fireproof plate 31 in the vertical direction. Further, the first notch 31c is provided from the side portion of the first facing portion 31b on the door stop side to the middle of the first fixing portion 31a.

When the high-speed door panel 13 and the low-speed door panel 18 are in the fully closed position, the first rod portion 32b passes through the first notch 31c. Further, the first rod portion 32b moves out of the first notch 31c when the high-speed door panel 13 and the low-speed door panel 18 start the opening operation. Further, the first rod portion 32b moves into the first notch 31c immediately before the high-speed door panel 13 and the low-speed door panel 18 finish the closing operation.

The first facing portion 31b is provided with a first slit 31d. The first slit 31d is provided downward from the lower edge of the first notch 31c. Further, the first slit 31d is located directly below the first rod portion 32b when the high-speed door panel 13 and the low-speed door panel 18 are in the fully closed position.

The width dimension of the first slit 31d is the same as the diameter of the first rod portion 32b, or slightly smaller than the diameter of the first rod portion 32b.

When the high-speed door panel 13, the low-speed door panel 18, and the high-speed door fireproof plate 31 become hot at the time of a fire, the low-speed door panel 18 expands more than the high-speed door fireproof plate 31. As a result, the first rod portion 32b is press-fitted into the first slit 31d.

Next, the configuration between the first vertical frame 3 and the low-speed door panel 18 will be described. FIG. 5 is a side view of the main parts of the first vertical frame 3 and the low-speed door panel 18 of FIG. 1 as viewed along an arrow V. Further, FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG.

The first vertical frame 3 has a vertical frame main portion 3a, a vertical frame side surface portion 3b, a vertical frame folded portion 3c, and a vertical frame reinforcing portion 3d. The vertical frame main portion 3a faces the landing. The vertical frame side surface portion 3b projects at a right angle to the hoistway side from the end portion of the vertical frame main portion 3a on the landing entrance 1 side. Further, the vertical frame side surface portion 3b faces the second vertical frame 4.

The vertical frame folded-back portion 3c projects at a right angle from the end of the vertical frame side surface portion 3b on the hoistway side to the side opposite to the landing entrance / exit 1. Further, the vertical frame folded portion 3c faces the vertical frame main portion 3a.

The vertical frame reinforcing portion 3d projects at a right angle to the hoistway side from the end portion of the vertical frame main portion 3a opposite to the landing entrance / exit 1. Further, the vertical frame reinforcing portion 3d faces the vertical frame side surface portion 3b.

A low-speed door fireproof plate 33 is fixed to the end of the low-speed door panel 18 on the door pocket 6 side. The low-speed door fireproof plate 33 is continuously provided over the entire or substantially the entire vertical direction of the low-speed door panel 18.

Further, the low-speed door fireproof plate 33 has a flat plate-shaped second fixing portion 33a and a flat plate-shaped second facing portion 33b. The second fixing portion 33a is overlapped and fixed on the end surface of the low speed door panel 18 on the door pocket side. The second facing portion 33b protrudes at a right angle from the end portion of the second fixing portion 33a on the landing side toward the door stop side. The cross-sectional shape of the low-speed door fireproof plate 33 is L-shaped.

Further, when the high-speed door panel 13 and the low-speed door panel 18 are in the fully closed position, the second facing portion 33b is formed on the vertical frame back surface 3e, which is the hoistway side surface of the vertical frame main portion 3a, and the vertical frame folded portion 3c. Facing each other.

Further, the coefficient of linear expansion of the low-speed door fireproof plate 33 is lower than the coefficient of linear expansion of the first vertical frame 3.

A second protruding member 34 is provided below the back surface 3e of the vertical frame. The second protruding member 34 is fixed to the vertical frame main portion 3a. The outer shape of the second protruding member 34 is, for example, bolt-shaped. Further, the second protruding member 34 has a second flange portion 34a and a second rod portion 34b. The second flange portion 34a is fixed to the vertical frame main portion 3a. The second rod portion 34b projects from the second flange portion 34a toward the hoistway side.

FIG. 7 is a front view of the low-speed door fire protection plate 33 of FIG. 5 as viewed along the arrow VII. A second notch 33c is provided in the second facing portion 33b. The second notch 33c is provided only in a part of the low speed door fireproof plate 33 in the vertical direction. Further, the second notch 33c is provided from the side portion of the second facing portion 33b on the door stop side to the middle of the second fixing portion 33a.

When the low speed door panel 18 is in the fully closed position, the second rod portion 34b passes through the second notch 33c. Further, the second rod portion 34b relatively moves out of the second notch 33c when the low-speed door panel 18 starts the opening operation. Further, the second rod portion 34b relatively moves into the second notch 33c immediately before the low speed door panel 18 finishes the closing operation.

A second slit 33d is provided in the second facing portion 33b. The second slit 33d is provided downward from the lower edge of the second notch 33c. Further, the second slit 33d is located directly below the second rod portion 34b when the low speed door panel 18 is in the fully closed position.

The width dimension of the second slit 33d is the same as the diameter of the second rod portion 34b, or slightly smaller than the diameter of the second rod portion 34b.

When the first vertical frame 3, the low-speed door panel 18, and the low-speed door fireproof plate 33 become hot at the time of a fire, the first vertical frame 3 expands more than the low-speed door fireproof plate 33. As a result, the second rod portion 34b is press-fitted into the second slit 33d.

Next, the configuration between the high-speed door panel 13 and the low-speed door panel 18 and the upper frame 5 will be described. FIG. 8 is a side view showing the configuration of parts A and B in FIG. The upper frame 5 has a lower surface portion 5a, a front surface portion 5b, an upper surface portion 5c, and a back surface portion 5d.

The lower surface portion 5a faces the landing entrance / exit 1. The front surface portion 5b projects upward at a right angle from the end portion of the lower surface portion 5a on the landing side. The upper surface portion 5c projects at a right angle from the upper end of the front surface portion 5b toward the hoistway side. The back surface portion 5d projects upward at a right angle from the end portion of the lower surface portion 5a on the hoistway side.

The upper frame fireproof plate 35 is fixed to the central portion of the upper frame 5 in the longitudinal direction and the end portion of the upper frame 5 on the door stop side. That is, the upper frame fireproof plate 35 is fixed to the A portion and the B portion of FIG. 1, respectively.

Each upper frame fireproof plate 35 has a base portion 35a, a rising portion 35b, and an upper protruding portion 35c. The base portion 35a is overlapped and fixed on the lower surface portion 5a. The rising portion 35b projects upward at a right angle from the end of the base portion 35a on the hoistway side. The upper protruding portion 35c projects at a right angle from the upper end of the rising portion 35b toward the hoistway side.

The upper fireproof plate 36 of the panel is fixed to the end of the upper surface of the high-speed door panel 13 on the door stop side and the end of the upper surface of the low-speed door panel 18 on the door stop side.

The upper fireproof plate 36 of each panel has a lower protruding portion 36a and a tip portion 36b. The lower projecting portion 36a projects horizontally from the upper surface of the high-speed door panel 13 or the low-speed door panel 18 toward the landing side. The tip portion 36b projects downward at a right angle from the end portion of the lower protruding portion 36a on the landing side.

When the high speed door panel 13 and the low speed door panel 18 are in the fully closed position, each lower protrusion 36a faces the corresponding upper protrusion 35c. Further, when the high-speed door panel 13 and the low-speed door panel 18 are in the fully closed position, each tip portion 36b faces the corresponding rising portion 35b and the back surface portion 5d.

Each upper frame fireproof plate 35 is fixed to the upper frame 5 at a position where the corresponding panel upper fireproof plate 36 faces when the high-speed door panel 13 and the low-speed door panel 18 are in the fully closed position.

When the high-speed door panel 13 and the low-speed door panel 18 become hot at the time of a fire, the panel upper fireproof plate 36 hits the upper frame fireproof plate 35, respectively.

Next, the configuration between the high-speed door panel 13 and the low-speed door panel 18 and the landing threshold 22 will be described. FIG. 9 is a cross-sectional view taken along the line IX-IX of FIG. A pair of high-speed side flange portions 22c and a pair of low-speed side flange portions 22d are provided on the upper part of the landing threshold 22.

The pair of high-speed side flange portions 22c project from both ends in the width direction of the high-speed side sill groove 22a toward the middle portion in the width direction of the high-speed side sill groove 22a. As a result, the opening width of the high-speed side threshold groove 22a is narrowed.

The pair of low-speed side flange portions 22d project from both ends in the width direction of the low-speed side threshold groove 22b toward the intermediate portion in the width direction of the low-speed side threshold groove 22b. As a result, the opening width of the low-speed side threshold groove 22b is narrowed.

A first lower fireproof plate 37 is provided below the high-speed door panel 13. The first lower fireproof plate 37 is fixed to the first lower reinforcing member 15. Further, the first lower fireproof plate 37 has a first vertical portion 37a and a first bent portion 37b. The first vertical portion 37a is fixed to the first lower reinforcing member 15. Further, the lower end portion of the first vertical portion 37a is inserted into the high-speed side threshold groove 22a.

The first bent portion 37b projects at a right angle from the lower end of the first vertical portion 37a toward the landing side. Further, the first bent portion 37b is arranged in the high-speed side threshold groove 22a. Further, the first bent portion 37b overlaps with one of the pair of high-speed side flange portions 22c when viewed from directly above.

The first lower fireproof plate 37 is provided over the entire width direction of the high-speed door panel 13 or substantially the entire width direction, except for the range where the first door shoe 16 is provided.

A second lower fireproof plate 38 is provided below the low speed door panel 18. The second lower fireproof plate 38 is fixed to the second lower reinforcing member 20. Further, the second lower fireproof plate 38 has a second vertical portion 38a and a second bent portion 38b. The second vertical portion 38a is fixed to the second lower reinforcing member 20. Further, the lower end portion of the second vertical portion 38a is inserted into the low speed side threshold groove 22b.

The second bent portion 38b projects at a right angle from the lower end of the second vertical portion 38a toward the landing side. Further, the second bent portion 38b is arranged in the low speed side threshold groove 22b. Further, the second bent portion 38b overlaps with one of the pair of low speed side flange portions 22d when viewed from directly above.

The second lower fireproof plate 38 is provided over the entire width direction of the low speed door panel 18 or substantially the entire width direction, except for the range where the second door shoe 21 is provided.

FIG. 10 is a plan view showing the landing threshold 22 of FIG. A first cover 39 as a regulating portion is inserted into the high-speed side threshold groove 22a. The first cover 39 is arranged at the end of the landing threshold 22 on the door stop side. Further, the first cover 39 partially closes the opening of the high-speed side threshold groove 22a.

A second cover 40 as a regulating portion is inserted into the low speed side threshold groove 22b. The second cover 40 is continuously arranged from the end of the landing sill 22 on the door stop side to the intermediate portion in the longitudinal direction of the landing sill 22. Further, the second cover 40 partially closes the opening of the low speed side threshold groove 22b.

FIG. 11 is a perspective view showing the second cover 40 of FIG. The second cover 40 has a first side wall portion 40a, a second side wall portion 40b, and a ceiling portion 40c. The first side wall portion 40a and the second side wall portion 40b face each other. Further, the first and second side wall portions 40a and 40b are inserted into the low speed side threshold groove 22b.

The ceiling portion 40c is provided between the upper ends of the first and second side wall portions 40a and 40b. Further, the ceiling portion 40c partially closes the low-speed side threshold groove 22b. By inserting the second cover 40 into the low speed side sill groove 22b, a tunnel-shaped hole is formed between the second cover 40 and the bottom surface of the low speed side sill groove 22b.

The outer shape of the first cover 39 is the same as that of the second cover 40. However, the first cover 39 is shorter than the second cover 40.

FIG. 12 is a side view showing the end portions of the first and second lower fireproof plates 37 and 38 of FIG. 9 on the door stop side. At the end of the first lower fireproof plate 37 on the door stop side, a first insertion portion 37c protruding toward the door stop side in the high-speed side threshold groove 22a is provided. At the end of the second lower fireproof plate 38 on the door stop side, a second insertion portion 38c protruding toward the door stop side in the low speed side threshold groove 22b is provided.

When the high speed door panel 13 is in the fully closed position, the first insertion portion 37c is inserted into the first cover 39. At this time, the first cover 39 restricts the upward movement of the first insertion portion 37c.

When the low speed door panel 18 is in the fully closed position, the second insertion portion 38c is inserted into the second cover 40. At this time, the second cover 40 restricts the upward movement of the second insertion portion 38c.

In such a landing entrance / exit device, in the event of a fire, the first rod portion 32b is press-fitted into the first slit 31d, so that between the high-speed door panel 13 and the low-speed door panel 18, the door thickness direction and the door opening direction The generation of gaps is suppressed. Therefore, in the event of a fire, it is possible to suppress a gap generated between the end of the high-speed door panel 13 on the door pocket 6 side in the width direction and the end of the low-speed door panel 18 on the door stop side in the width direction.

Further, the coefficient of linear expansion of the high-speed door fireproof plate 31 is lower than the coefficient of linear expansion of the low-speed door panel 18. Therefore, in the event of a fire, the first rod portion 32b can be moved into the first slit 31d more reliably.

Further, the deformation of the low-speed door panel 18 can be suppressed by hitting the low-speed panel folded-back portion 18d against the first facing portion 31b.

Further, in the event of a fire, the second rod portion 34b is press-fitted into the second slit 33d, so that a gap in the door thickness direction and the door opening direction is generated between the first vertical frame 3 and the low speed door panel 18. Is suppressed. Therefore, in the event of a fire, it is possible to suppress a gap generated between the first vertical frame 3 and the end portion of the low-speed door panel 18 on the door pocket 6 side in the width direction.

Further, the coefficient of linear expansion of the low-speed door fireproof plate 33 is lower than the coefficient of linear expansion of the first vertical frame 3. Therefore, in the event of a fire, the second rod portion 34b can be moved into the second slit 33d more reliably.

Further, since the second facing portion 33b hits the vertical frame folded portion 3c, the deformation of the low speed door panel 18 can be suppressed.

Further, in the event of a fire, the upper frame fireproof plate 36 hits the upper frame fireproof plate 35, respectively, so that the deformation of the high-speed door panel 13 and the low-speed door panel 18 can be suppressed.

Further, the panel upper fireproof plate 36 is provided at the end of the upper surface of the high-speed door panel 13 and the low-speed door panel 18 on the door stop side. Therefore, in the event of a fire, it is possible to suppress a gap generated between the second vertical frame 4 and the end portion of the high-speed door panel 13 on the door pocket 6 side in the width direction. Further, in the event of a fire, it is possible to suppress a gap generated between the end portion of the high-speed door panel 13 on the door pocket 6 side in the width direction and the end portion of the low-speed door panel 18 on the door stop side in the width direction.

Further, when the high-speed door panel 13 is in the fully closed position, the first insertion portion 37c is inserted into the first cover 39. Therefore, in the event of a fire, it is possible to suppress a gap generated at the end of the high-speed door panel 13 on the door stop side in the width direction.

Further, when the low speed door panel 18 is in the fully closed position, the second insertion portion 38c is inserted into the second cover 40. Therefore, in the event of a fire, it is possible to suppress a gap generated at the end of the low-speed door panel 18 on the door stop side in the width direction.

If the first rod portion 32b can be moved into the first slit 31d in the event of a fire, the coefficient of linear expansion of the high-speed door fireproof plate 31 does not have to be lower than the coefficient of linear expansion of the low-speed door panel 18. Similarly, the coefficient of linear expansion of the low-speed door fire protection plate 33 does not have to be lower than the coefficient of linear expansion of the first vertical frame 3.

Further, the high-speed door fireproof plate 31 may be provided only on a part of the high-speed door panel 13 in the vertical direction. Similarly, the low speed door fire protection plate 33 may be provided only on a part of the low speed door panel 18 in the vertical direction.

Further, two or more first protruding members 32 may be provided on the low speed door panel 18, and the high speed door fireproof plate 31 may be provided with two or more first notches 31c and two or more first slits 31d. ..

Further, two or more second projecting members 34 are provided in the first vertical frame 3, and two or more second notches 33c and two or more second slits 33d are provided in the low speed door fireproof plate 33. You may.

Further, the width dimension of the first slit 31d may be slightly larger than the diameter of the first rod portion 32b. In this case, the generation of the gap in the door thickness direction cannot be suppressed by the first protruding member 32, but the generation of the gap in the door opening direction can be suppressed. Similarly, the width dimension of the second slit 33d may be slightly larger than the diameter of the second rod portion 34b.

Further, the shapes of the first and second projecting members 32 and 34 are not limited to the bolt shape.

Further, in the first embodiment, the two-door single-door type landing entrance / exit device is shown, but the configurations of FIGS. 2 to 4 can also be applied to a three-door single-door type, a four-door central opening type, and the like.

Further, the configurations of FIGS. 5 to 12 can be applied to a single-door single-door type, a three-door single-door type, a two-door center-open type, a four-door center-open type, and the like.

Further, in the first embodiment, the first and second covers 39 and 40 are shown as the regulating parts, but the regulating part is not limited to these. For example, the regulation part may be integrally formed on the landing threshold 22.

Further, in the first embodiment, the configurations of FIGS. 2 to 4, the configurations of FIGS. 5 to 7, the configuration of FIG. 8 and the configurations of FIGS. 9 to 12 are all combined. However, any two or three of these configurations may be implemented in combination, or only one of these configurations may be implemented.

1 Landing entrance / exit, 3 1st vertical frame, 3a vertical frame main part, 3e vertical frame back, 5 upper frame, 5a lower surface, 5d back, 6 door pocket, 13 high speed door panel, 18 low speed door panel, 18a low speed panel main part , 18b low speed panel back, 22 landing threshold, 22a high speed side threshold groove, 22b low speed side threshold groove, 31 high speed door fire protection plate, 31b first facing part, 31c first notch, 31d first slit, 32 first Projection member, 33 low speed door fire protection plate, 33b second facing part, 33c second notch, 33d second slit, 34 second protrusion member, 35 upper frame fire protection plate, 35a base part, 35b rising part, 35c upper protrusion, 36 panel upper fire plate, 36a lower protrusion, 36b tip, 37 first lower fire plate, 37c first insertion part, 38 second lower fire plate, 38c second insertion part , 39 1st cover (regulatory part), 40 2nd cover (regulatory part).

Claims (7)

High speed door panel,
Low speed door panel, which has a low speed panel main part facing the landing
It is provided with a high-speed door fireproof plate fixed to the end of the high-speed door panel on the door pocket side, and a protruding member provided on the back surface of the low-speed panel, which is a surface on the hoistway side of the main part of the low-speed panel.
The high-speed door fire protection plate has a facing portion facing the back surface of the low-speed panel when the high-speed door panel and the low-speed door panel are in a fully closed position.
The facing portion is provided with a notch through which the projecting member passes when the high-speed door panel and the low-speed door panel are in the fully closed position, and a slit is provided downward from the lower edge of the notch. Ori,
The slit is an elevator landing entrance / exit device located directly below the protruding member when the high-speed door panel and the low-speed door panel are in the fully closed position. The elevator landing entrance / exit device according to claim 1, wherein the linear expansion coefficient of the high-speed door fireproof plate is lower than the linear expansion coefficient of the low-speed door panel. A vertical frame that is provided on the side of the landing entrance and has a vertical frame main part that faces the landing.
Door panel,
It is provided with a door fireproof plate fixed to the end of the door panel on the door pocket side, and a protruding member provided on the back surface of the vertical frame, which is a surface of the vertical frame main portion on the hoistway side.
The door fireproof plate has a facing portion facing the back surface of the vertical frame when the door panel is in the fully closed position.
The facing portion is provided with a notch through which the protruding member passes when the door panel is in the fully closed position, and a slit is provided from the lower edge of the notch downward.
The slit is an elevator landing / exit device located directly below the protruding member when the door panel is in the fully closed position. The elevator landing entrance / exit device according to claim 3, wherein the linear expansion coefficient of the door fireproof plate is lower than the linear expansion coefficient of the vertical frame. An upper frame provided above the landing entrance and exit, and having a lower surface portion facing the landing entrance and exit and a back surface portion protruding upward from the hoistway-side end of the lower surface portion.
Door panel,
The panel upper fireproof plate fixed to the end opposite to the door pocket on the upper surface of the door panel, and fixed to the upper frame at a position facing the panel upper fireproof plate when the door panel is in the fully closed position. Equipped with an upper frame fire protection plate
The upper frame fireproof plate has a fixed portion fixed to the lower surface portion, a rising portion protruding upward from the fixed portion, and an upper protruding portion protruding upward from the upper end of the rising portion toward the hoistway side. And
The panel upper fireproof plate has a lower protruding portion protruding from the upper surface of the door panel toward the landing side, and a tip portion of the lower protruding portion protruding downward from the landing side end portion.
An elevator landing / exit device in which the lower protruding portion faces the upper protruding portion and the tip portion faces the rising portion when the door panel is in the fully closed position. The landing threshold, which is located at the bottom of the landing entrance and has a threshold groove,
It is provided with a door panel and a lower fireproof plate provided at the bottom of the door panel and inserted into the landing sill.
At the end of the lower fireproof plate on the side opposite to the door pocket, an insertion portion is provided in the threshold groove so as to project to the side opposite to the door pocket.
An elevator landing entrance / exit device provided with a regulation unit that regulates the upward movement of the insertion portion when the door panel is in the fully closed position on the landing threshold. The elevator landing entrance / exit device according to claim 6, wherein the regulation unit is inserted into the threshold groove and is a cover that closes the opening of the threshold groove.

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