WO2020070796A1 - Elevator door device of and method for repairing same - Google Patents

Abstract

In this elevator door device, a door leg, a holding member, and a detachment-preventing member are attached to a door body. The holding member holds a shielding member. The detachment-preventing member is inserted into a sill groove and prevents the door leg from being detached from the sill groove by external force applied to the door body. The holding member includes a cutout section. A portion of the shielding member crosses a portion of the cutout section. The detachment-preventing member is attached to the door body using a preventing member fitting tool passed through the cutout section.

Description

Elevator door device and repair method thereof

The present invention relates to an elevator door device in which a shielding member that contacts a sill is provided at a lower portion of a door main body, and a repair method thereof.

In a conventional elevator door device, a shielding member is provided at the lower end of the door body. The shielding member shields a gap between the lower end of the door body and the threshold by contacting the upper surface of the threshold (for example, see Patent Document 1).

In addition, in the conventional landing door device, a guide shoe and a plate-shaped stopper member are fixed to the lower end of the door. The stopper member is inserted into the guide groove to prevent the guide shoe from coming off the guide groove (for example, see Patent Document 2).

JP 2004-323222 A Japanese Patent No. 5403513

で は In the door device disclosed in Patent Document 1, the shielding member covers the gap between the door body and the sill over the entire width of the door body. For this reason, the door body provided with the shielding member does not have a space for attaching the retaining member as disclosed in Patent Document 2.

On the other hand, there is a method in which both the shielding member and the retaining member are attached to the door body by changing the position and shape of the sill groove. However, in this case, it is necessary to replace the door body and the sill, which increases the cost.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and provides an elevator door device and a method for repairing the same, in which a shielding member and a detachment prevention member can be attached to a door body with a simple configuration. The purpose is to:

An elevator door device according to the present invention includes a door body suspended from a door rail, a holding member attached to the door body, and held by a holding member. A shielding member that closes the gap, a door leg that is attached to the door body and is inserted into the sill groove of the sill, and is attached to the door body and is inserted into the sill groove and is subjected to an external force applied to the door body A detachment prevention member for preventing the door leg from coming off the sill groove is provided, and the holding member is provided with a notch, and a part of the shielding member crosses a part of the notch to prevent detachment. The member is attached to the door body by a preventive member attaching tool passed through the notch.
In addition, a method of repairing an elevator door device includes a door main body suspended from a door rail, an existing holding member attached to the door main body, and a holding member held by the holding member. Removing the existing holding member from the door body of the door device having the existing shielding member for closing the gap between the door and the threshold, holding the existing shielding member or a new shielding member, and notching A step of attaching a new holding member provided with a portion to the door body, and a detachment preventing member for preventing the door leg from coming off from the sill groove of the door due to an external force applied to the door body. And attaching the door to the door body.

According to the elevator door apparatus and the repair method thereof of the present invention, the shielding member and the detachment preventing member can be attached to the door body with a simple configuration.

1 is a front view showing a landing door device according to Embodiment 1 of the present invention. FIG. 2 is a sectional view taken along the line II-II in FIG. 1. It is a front view which expands and shows the lower end part of the 1st door main body of FIG. FIG. 4 is an exploded perspective view showing a first door main body of FIG. 3. FIG. 5 is a sectional view taken along line VV in FIG. 3. FIG. 4 is a front view showing a state in which the first door body of FIG. 3 is being assembled. FIG. 7 is a sectional view taken along the line VII-VII in FIG. 6. FIG. 7 is a front view showing a state where a first end holding member, a second end holding member, and an intermediate holding member are attached to the lower reinforcing member of FIG. 6. FIG. 9 is a sectional view taken along line IX-IX in FIG. 8. FIG. 9 is a sectional view taken along line XX of FIG. 8. FIG. 9 is a front view illustrating a state where a prevention member spacer is overlapped on the intermediate holding member in FIG. 8. FIG. 12 is a sectional view taken along the line XII-XII of FIG. 11. It is a front view which shows the principal part of the landing door device of the elevator by Embodiment 2 of this invention. FIG. 14 is a perspective view showing a detachment prevention member of FIG. 13. It is a front view which shows the intermediate | middle holding member of FIG. 13, an intermediate | middle shielding member, and a detachment prevention member. It is a side view which shows the intermediate | middle holding member of FIG. 15, an intermediate | middle shielding member, and a detachment prevention member. FIG. 14 is a sectional view taken along the line XVII-XVII in FIG. 13. FIG. 18 is a cross-sectional view showing a state where the door panel of FIG. 17 is arranged higher by H1 than in FIG. 17.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a front view showing a landing door device according to Embodiment 1 of the present invention, and is a diagram of the landing door device as viewed from a hoistway side.

The landing doorway 1 is opened and closed by the first door body 2 and the second door body 3. The first and second door bodies 2 and 3 have a door panel 4 and a door hanger 5, respectively. Each door hanger 5 is fixed to the upper part of the corresponding door panel 4.

Each door hanger 5 is provided with a pair of hanger rollers 6 and a pair of up-thrust rollers 7. Each up thrust roller 7 is arranged below the corresponding hanger roller 6.

ハ ン A hanger case 8 is fixed above the landing entrance 1 in the hoistway. The hanger case 8 is provided with a door rail 9. The first and second door bodies 2 and 3 are suspended from a door rail 9.

When the first and second door bodies 2 and 3 are opened and closed, each hanger roller 6 moves while rolling on the door rail 9. The up-thrust roller 7 prevents the hanger roller 6 from falling off the door rail 9.

敷 A threshold 10 is provided on the floor of the landing entrance 1. The sill 10 guides the lower ends of the first and second door bodies 2 and 3 when opening and closing the first and second door bodies 2 and 3.

FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1, and the cross section of the door panel 4 is omitted. The door rail 9 has a main guide part 9a, a rail vertical part 9b, and a rail lower end part 9c.

断面 The cross-sectional shape of the main guide portion 9a is an arc. Each hanger roller 6 is hung on the main guide portion 9a. The rail vertical portion 9b protrudes vertically downward from the end of the main guide portion 9a on the door hanger 5 side. Each door hanger 5 faces the rail vertical part 9b.

The rail lower end portion 9c protrudes from the lower end portion of the rail vertical portion 9b at a right angle to the side opposite to the door hanger 5, that is, to the landing side. Each up-thrust roller 7 faces or is in contact with the lower surface of the rail lower end 9c.

FIG. 3 is an enlarged front view showing a lower end portion of the first door main body 2 of FIG. FIG. 4 is an exploded perspective view showing the first door main body 2 of FIG. FIG. 5 is a sectional view taken along line VV in FIG. The configuration of the second door body 3 is the same as that of the first door body 2.

The door panel 4 has a panel main part 4a, a first bent part 4b, a second bent part 4c, a first folded part 4d, and a second folded part 4e.

The panel main part 4a has a panel front face 4f facing the landing and a panel back face 4g facing the hoistway. The first bent portion 4b projects perpendicularly to the hoistway side from the width direction of the panel main portion 4a, that is, from the first end in the left-right direction in FIG. The second bent portion 4c protrudes at right angles from the second end in the width direction of the panel main portion 4a to the hoistway side.

The first folded portion 4d protrudes at right angles from the hoistway side end of the first folded portion 4b toward the second folded portion 4c. The second folded portion 4e protrudes from the end of the second folded portion 4c on the hoistway side at right angles to the first folded portion 4b.

The first door body 2 has a lower reinforcing member 11 in addition to the door panel 4 and the door hanger 5. The lower reinforcing member 11 is fixed to a lower end of the door panel 4.

下部 The lower reinforcing member 11 has a joining portion 11a, a component attaching portion 11b, an opposing portion 11c, and a connecting portion 11d. FIG. 4 shows only the component mounting portion 11b.

The joining portion 11a is joined to the panel back surface 4g over the entire width of the panel main portion 4a. The component mounting part 11b is arranged below the joint part 11a. The component mounting portion 11b faces the panel back surface 4g over the entire width of the panel main portion 4a.

The facing portion 11c is arranged above the joining portion 11a. The facing portion 11c faces the panel back surface 4g. Further, a first end of the facing portion 11c is overlapped and fixed to the first folded portion 4d. The second end of the facing portion 11c is overlapped and fixed to the second folded portion 4e.

The sill 10 is provided with a sill groove 10a. The threshold groove 10a is provided continuously along the width direction of the landing doorway 1.

脚 A leg 12 of the first door and a leg 13 of the second door are attached to the lower reinforcing member 11. The legs 12 and 13 of the first and second doors are spaced from each other in the width direction of the door panel 4, that is, in the left-right direction of FIG.

脚 The leg 12 of the first door is disposed on the side of the first bent portion 4b with respect to the center of the door panel 4 in the width direction. The legs 13 of the second door are disposed on the side of the second bent portion 4c with respect to the center of the door panel 4 in the width direction.

脚 The legs 12 and 13 of each door are attached to the lower reinforcing member 11 by leg attachment bolts 14 of a plurality of doors. The lower ends of the legs 12, 13 of each door are inserted into the sill groove 10a. The legs 12, 13 of each door move in the sill groove 10a when the first door body 2 is opened and closed.

戸 A door spacer 15 is interposed between the legs 12, 13 of each door and the lower reinforcing member 11. The leg spacer 15 of each door is composed of one flat plate or two or more flat plates stacked on each other.

１A first end holding member 16 is attached to the lower reinforcing member 11 next to the leg 12 of the first door. The first end holding member 16 is disposed between the leg 12 of the first door and the first bent portion 4b. The first end holding member 16 holds a first end shielding member 17.

A second end holding member 18 is attached to the lower reinforcing member 11 next to the leg 13 of the second door. The second end holding member 18 is disposed between the leg 13 of the second door and the second bent portion 4c. The second end holding member 18 holds a second end shielding member 19.

中間 An intermediate holding member 20 is arranged between the legs 12 of the first door and the legs 13 of the second door. The intermediate holding member 20 is attached to the lower reinforcing member 11. The intermediate holding member 20 holds an intermediate shielding member 21.

保持 Each holding member 16, 18, 20 is attached to the lower reinforcing member 11 by a plurality of holding member attachment bolts 22.

Each of the shielding members 17, 19, 21 is made of a flexible and elastic material such as rubber. Further, when the first door body 2 is located at the fully closed position, the shielding members 17, 19, and 21 come into contact with the upper surface of the sill 10 and allow the lower portion of the first door body 2 and the sill 10 to be in contact with each other. Close the gap.

In addition, the shielding members 17, 19, and 21 are arranged continuously over the entire width of the door panel 4 except for portions where the legs 12 and 13 of the first and second doors are attached. . Thereby, the shielding members 17, 19, and 21 suppress the smoke generated by the fire from entering the hoistway from the hallway entrance / exit 1.

The shielding members 17, 19, and 21 move integrally with the first door main body 2 while being in contact with the upper surface of the sill 10 when the first door main body 2 is opened and closed.

切 At the center of the intermediate holding member 20, a notch 20a is provided. The notch 20a is formed from the lower end of the intermediate holding member 20 to an intermediate portion in the vertical direction. A pair of steps 20b and 20c protruding toward the hoistway side in the thickness direction of the first door body 2 are provided on both sides of the notch 20a of the intermediate holding member 20.

The intermediate shielding member 21 has a first portion 21a, a second portion 21b, and a third portion 21c.

The first portion 21a is held by the intermediate holding member 20 on the side of the first bent portion 4b with respect to the notch 20a. The second portion 21b is held by the intermediate holding member 20 on the side of the second bent portion 4c with respect to the notch 20a.

３The third portion 21c is a portion between the first portion 21a and the second portion 21b. The third portion 21c is a central portion in the length direction of the intermediate shielding member 21. Further, the third portion 21 c is not in contact with the intermediate holding member 20 and is not directly held by the intermediate holding member 20.

一部 A part of the intermediate shielding member 21, that is, the third part 21c crosses a part of the notch 20a.

外 A detachment preventing member 23 is attached to the lower part of the center of the door panel 4 in the width direction. The detachment prevention member 23 is attached to the lower reinforcing member 11 by a plurality of prevention member attachment bolts 24 as attachment members. The detachment preventing member 23 is attached to the lower reinforcing member 11 by an preventing member attaching bolt 24 passed through the notch 20a.

外 The slip-off prevention member 23 is inserted into the threshold groove 10a to prevent the legs 12, 13 of the first and second doors from coming off the threshold groove 10a due to an external force applied to the panel front surface 4f. Thereby, the detachment prevention member 23 prevents the first door main body 2 from dropping off the door rail 9.

外 The detachment prevention member 23 has a prevention member main body 25 and a prevention member spacer 26. The prevention member main body 25 is made of a metal flat plate. The prevention member main body 25 is inserted into the threshold groove 10a.

The prevention member spacer 26 is interposed between the upper end of the prevention member main body 25 and the intermediate holding member 20. The prevention member spacer 26 is formed of one flat plate or two or more flat plates laminated together.

The portion of the intermediate shielding member 21 that crosses the cutout portion 20a, that is, the third portion 21c is sandwiched between the lower reinforcing member 11 and the prevention member main body 25. The third portion 21 c is held between the lower reinforcement member 11 and the prevention member main body 25 by a frictional force generated by attaching the detachment prevention member 23 to the lower reinforcement member 11.

The leg 12 of the first door, the leg 13 of the second door, the first end holding member 16, the second end holding member 18, the intermediate holding member 20, and the disengagement prevention member 23 include the lower reinforcing member 11 Fixed against.

で は In such an elevator hall door device, the intermediate holding member 20 is provided with the notch 20a. The third portion 21c of the intermediate shielding member 21 crosses a part of the notch 20a. The detachment preventing member 23 is attached to the lower reinforcing member 11 by an preventing member attaching bolt 24 passed through the notch 20a. Therefore, the intermediate shielding member 21 and the separation preventing member 23 can be attached to the lower reinforcing member 11 with a simple configuration.

The third portion 21c of the intermediate shielding member 21 is sandwiched between the lower reinforcing member 11 and the detachment preventing member 23. Thereby, the third portion 21c can be firmly held.

防止 Further, a prevention member spacer 26 is interposed between the prevention member main body 25 and the intermediate holding member 20. For this reason, the prevention member main body 25 can be arranged at an appropriate position in the thickness direction of the door panel 4.

Next, a method of assembling the landing door device according to the first embodiment will be described. FIG. 6 is a front view showing a state in which the first door main body 2 of FIG. 3 is being assembled. FIG. 7 is a sectional view taken along the line VII-VII in FIG. The method of assembling the second door body 3 is the same as that of the first door body 2.

When assembling the first door main body 2, first, the legs 12 of the first door are attached to the lower reinforcing member 11 by the leg attachment bolts 14 of the two doors. Further, the legs 13 of the second door are attached to the lower reinforcing member 11 by the leg attachment bolts 14 of the two doors. At this time, the leg spacers 15 of the door are interposed between the legs 12, 13 of the first and second doors and the lower reinforcing member 11, respectively.

Further, the first clip nut 31 and the second clip nut 32 are attached to the edge of the opening 11 e provided at the center of the lower reinforcing member 11.

Thereafter, as shown in FIGS. 8, 9 and 10, the first end holding member 16 holding the first end shielding member 17 is lowered by two holding member mounting bolts 22. It is attached to the reinforcing member 11. Further, the second end holding member 18 holding the second end shielding member 19 is attached to the lower reinforcing member 11 by two holding member attaching bolts 22.

中間 Further, the intermediate holding member 20 holding the intermediate shielding member 21 is attached to the lower reinforcing member 11 by two holding member attaching bolts 22. At this time, the screw holes of the first and second clip nuts 31 and 32 are exposed to the outside through the notches 20a.

Then, as shown in FIGS. 11 and 12, the prevention member spacer 26 is overlapped with the center of the intermediate holding member 20. At this time, the lower end of the prevention member spacer 26 is placed on the pair of steps 20b and 20c.

Then, as shown in FIGS. 3 and 5, the prevention member main body 25 is mounted on the lower reinforcing member 11 by two prevention member mounting bolts 24. At this time, each prevention member mounting bolt 24 passes through the prevention member spacer 26 and is screwed into the screw hole of the corresponding clip nut 31, 32. Thus, the assembly of the components to the lower reinforcing member 11 is completed.

Next, a method of repairing the landing door device of the first embodiment will be described. The first door body 2 before the repair is not provided with the detachment preventing member 23 of the first embodiment. Further, the notch 20a is not provided in the intermediate holding member before the repair. For this reason, the intermediate shielding member before repair is directly held by the intermediate shielding member over the entire length direction.

改 When repairing such a first door body 2, first, the existing intermediate holding member is removed from the lower reinforcing member 11. Subsequently, a new intermediate holding member 20 provided with the cutout portion 20 a is attached to the lower reinforcing member 11. At this time, the existing intermediate shielding member or a new intermediate shielding member 21 is previously held on the intermediate holding member 20.

After that, the detachment preventing member 23 is attached to the lower reinforcing member 11 through the notch portion 20a through the preventing member attaching bolt 24. The method for repairing the second door body 3 is the same as the method for repairing the first door body 2.

As described above, the repair method for the landing door device according to the first embodiment includes the first, second, and third steps. The first step is a step of removing the existing intermediate holding member from the lower reinforcing member 11. The second step is a step of attaching a new intermediate holding member 20 holding an existing intermediate shielding member or a new intermediate shielding member 21 to the lower reinforcing member 11. The third step is a step of attaching the detachment prevention member 23 to the lower reinforcing member 11 through the notch portion 20a through the prevention member attachment bolt 24.

According to such a method of repairing a landing door device, the existing intermediate holding member can be simply replaced with a new intermediate holding member 20 without replacing the threshold 10 and the door panel 4 for the existing landing door device. , A fall prevention function can be added.

Embodiment 2 FIG.
Next, FIG. 13 is a front view showing a main part of an elevator hall door device according to a second embodiment of the present invention. The detachment prevention member 27 according to the second embodiment has a prevention member main body 28 and a positioning plate 29 as a positioning portion. The prevention member main body 28 is formed of a metal flat plate. The prevention member main body 28 is inserted into the threshold groove 10a.

The positioning plate 29 is fixed to the prevention member main body 28. That is, the positioning plate 29 is integrated with the prevention member main body 28.

The detachment prevention member 27 is attached to the lower reinforcing member 11 by the prevention member attachment bolt 24. The detachment prevention member 27 is attached to the lower reinforcing member 11 through the notch 20a through the prevention member attachment bolt 24. When the detachment prevention member 27 is attached to the lower reinforcing member 11, the positioning plate 29 is interposed between the upper end of the prevention member main body 28 and the intermediate holding member 20.

FIG. 14 is a perspective view showing the detachment prevention member 27 of FIG. FIG. 15 is a front view showing the intermediate holding member 20, the intermediate shielding member 21, and the detachment preventing member 27 of FIG. FIG. 16 is a side view showing the intermediate holding member 20, the intermediate shielding member 21, and the detachment preventing member 27 of FIG.

下面 The lower surface 29a of the positioning plate 29 is placed on the pair of steps 20b, 20c. Thus, the vertical position of the detachment prevention member 27 with respect to the intermediate holding member 20 is performed.

Although not shown in FIG. 13, the detachment prevention member 27 is provided with a pair of prevention member holes 27a. Each prevention member mounting bolt 24 is passed through a corresponding prevention member hole 27a.

The vertical dimension of each prevention member hole 27a is larger than the diameter of the prevention member mounting bolt 24. In this example, each prevention member hole 27a is a long hole whose dimension in the vertical direction is larger than that in the horizontal direction. Other configurations are the same as those of the first embodiment.

FIG. 17 is a sectional view taken along the line XVII-XVII in FIG. FIG. 18 is a cross-sectional view showing a state where the door panel 4 of FIG. 17 is arranged higher by H1 than that of FIG.

上下 The vertical position of the door panel 4 varies due to installation errors. However, in order to ensure the airtightness of the gap between the lower end of the door panel 4 and the threshold 10, the intermediate shielding member 21 needs to be in sufficient contact with the threshold 10. Further, the detachment prevention member 27 needs to be attached to the lower reinforcing member 11 so as to secure a specified allowance for the threshold 10.

On the other hand, in the disengagement prevention member 27 according to the second embodiment, the positioning plate 29 is mounted on the pair of steps 20b and 20c. Therefore, by adjusting the vertical position of the intermediate holding member 20 with respect to the threshold 10 in advance, the vertical position of the detachment preventing member 27 can be automatically determined.

For example, in FIG. 18, the door panel 4 is arranged higher by H1 than in FIG. In this case, the intermediate holding member 20 and the intermediate shielding member 21 are disposed lower than the door panel 4 by H1 than in FIG. Accordingly, in FIG. 18, the positions of the intermediate holding member 20 and the intermediate shielding member 21 with respect to the threshold 10 with respect to the threshold 10 are the same as those in FIG.

に よ り By placing the positioning plate 29 on the pair of steps 20b, 20c, the position of the detachment prevention member 27 with respect to the threshold 10 in FIG. 18 is also the same as in FIG.

As described above, in the second embodiment, it is possible to easily stabilize the allowance of the detachment preventing member 27 to the sill 10.

The vertical dimension of each prevention member hole 27a is larger than the diameter of the corresponding prevention member mounting bolt 24. Therefore, the vertical position of the detachment preventing member 27 can be easily adjusted.

防止 In addition, the prevention member mounting tool is not limited to the prevention member mounting bolt. Further, the holding member attaching tool for attaching the holding member to the door body is not limited to the holding member attaching bolt. Further, the door leg attachment tool for attaching the door leg to the door body is not limited to the door leg attachment bolt.

数 The number of detachment prevention members may be two or more.

位置 決 め Furthermore, the positioning portion may be formed on a part of the prevention member main body. The positioning portion may be formed in a part of the prevention member body of the first embodiment.

The prevention member spacer according to the first embodiment may be interposed between the positioning plate according to the second embodiment and the intermediate holding member.

対 象 In addition, the object to which the holding member and the separation preventing member are attached is not limited to the lower reinforcing member.

The present invention can be applied to a single-opening door device and a center-opening door device.

The present invention can also be applied to a car door device.

2 first door body, 3 second door body, 9 door rail, 10 sill, 10a sill groove, 12 first door leg, 13 second door leg, 20 intermediate holding member, 20a notch, 20b , 20c} stepped portion, 21% intermediate shielding member, 23, 27 ° detachment prevention member, 24 ° prevention member mounting bolt (prevention member mounting fixture), 25, 28 ° prevention member main body, 26 ° prevention member spacer, 27a {prevention member hole, 29 ° positioning plate ( Positioning unit).

Claims (6)

Door body suspended from door rail,
A holding member attached to the door body,
A shielding member that is held by the holding member and closes a gap between the lower part of the door body and the threshold by contacting the threshold,
A door leg attached to the door body and inserted into a sill groove of the sill; and the door attached to the door body and inserted into the sill groove and applied by an external force applied to the door body Equipped with a slip-off prevention member that prevents the leg from coming off the threshold groove,
The holding member is provided with a notch,
A part of the shielding member crosses a part of the notch,
The door device for an elevator, wherein the detachment prevention member is attached to the door body by a prevention member attachment tool passed through the notch. The elevator door device according to claim 1, wherein a portion of the shielding member crossing the cutout portion is sandwiched between the door body and the disengagement prevention member. The detachment prevention member,
A prevention member body inserted into the threshold groove,
The elevator door device according to claim 1 or 2, further comprising a prevention member spacer interposed between the prevention member main body and the holding member. The holding member has a step portion protruding in a thickness direction of the door body,
The said detachment prevention member has a positioning part mounted on the said step part, and performing positioning of the said detachment prevention member with respect to the said holding member in the up-down direction, The Claims 1 to 3 characterized by the above-mentioned. Elevator door equipment. The prevention member mounting tool is a prevention member mounting bolt,
The detachment prevention member is provided with a prevention member hole through which the prevention member mounting bolt is passed,
The elevator door device according to claim 4, wherein a vertical dimension of the prevention member hole is larger than a diameter of the prevention member mounting bolt. A door body suspended from a door rail, an existing holding member attached to the door body, and a gap between the lower part of the door body and the sill held by the holding member and in contact with a sill Removing the existing holding member from the door body of the door device including an existing shielding member that closes the door;
A step of attaching the existing shielding member or a new shielding member, and a new holding member provided with a notch portion to the door body, and a step of attaching a door leg by an external force applied to the door body. A method of repairing an elevator door device, comprising a step of attaching a detachment prevention member for preventing detachment from a sill groove to the door main body through a notch member through a prevention member attachment.

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