JP2006062788A - Landing door device for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a landing door device for an elevator capable of easily performing exchange work of a sealing material for shielding smoke in the landing door device for the elevator provided with smoke-shielding performance. <P>SOLUTION: The landing door device for the elevator is provided with a landing door installed on a landing of the elevator; the sealing material having one end provided on a landing fixing body or the landing door and closing a gap formed on a landing entrance/exit port at closing of the landing door; a locking device for locking the landing door at closing of the landing door; and an unlocking device for unlocking the locking device by being operated from the landing side. The unlocking device has a body part connected to the locking device; an engagement part arranged at a hoistway side than the sealing material; and a fixing means for detachably fixing the engagement part to the body part. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an elevator hall door device having smoke shielding performance.

  In a conventional elevator landing door device that can be manually unlocked from the landing side in the event of an elevator device failure or emergency, a keyhole plate disposed corresponding to the gap between the landing door and the decorative wall is provided. The key unlocking tool is engaged with the key hole, and the operating end of the operating element is pressed by the unlocking tool, thereby connecting the connecting element connected between the counter operating end of the operating element and the tension bar. In some cases, the key member is unlocked (see, for example, Patent Document 1).

JP-A-3-102092

  In the elevator landing door device described in Patent Document 1, the unlocking operation of the landing door in an emergency or the like is manually performed from a gap provided between the landing door and the decorative wall, that is, a gap formed at the landing doorway. It is configured to be able to do. Here, when the landing door device installed in the elevator hall has smoke shielding performance, a smoke shielding material is disposed in the gap formed when the landing door is closed. The operation end portion is to be arranged on the hoistway side from the sealing material. Therefore, when wear of the sealing material has progressed and it is necessary to replace it, it is necessary to remove the entire unlocking device including the operation element from the landing door, which is a factor of deterioration in workability. Also, in landing door devices that have smoke shielding performance, the clearance formed at the entrance / exit when the landing door is closed is blocked by the smoke shielding sealant. By inserting the tool into the gap, the sealing material may be damaged, or the fixing portion of the sealing material may be peeled off, which may deteriorate the smoke shielding performance of the landing door device.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to facilitate the replacement work of the smoke shielding material in the elevator landing door device having smoke shielding performance. It is to provide a landing door device for an elevator.

  Further, the present invention provides an elevator landing door device that can easily perform manual unlocking operation of the landing door without impairing the smoke shielding performance in the elevator landing door device having smoke shielding performance. It is.

  The elevator landing door device according to the present invention includes a landing door installed at the elevator landing, a seal provided at one end of the landing stationary body or the landing door, and closing a gap formed at the landing doorway when the landing door is closed. Material, a locking device that locks the landing door when the landing door is closed, and an unlocking device that unlocks the locking device when operated from the landing side. The unlocking device is connected to the locking device. It has a main-body part, the engaging part arrange | positioned in the hoistway side rather than a sealing material, and the fixing means which fixes this engaging part to a main-body part so that attachment or detachment is possible.

  The present invention relates to a landing door installed at an elevator landing, a sealing member provided at one end of the landing stationary body or the landing door, and closing a gap formed at the landing doorway when the landing door is closed, and the closing of the landing door Sometimes it includes a locking device that locks the landing door, and an unlocking device that unlocks the locking device by being operated from the landing side. The unlocking device includes a main body connected to the locking device and a sealing material. In the elevator landing door device having smoke shielding performance, the structure includes an engaging portion arranged on the hoistway side and a fixing means for detachably fixing the engaging portion to the main body portion. It is possible to easily replace the smoke sealing material.

  FIG. 1 is an overall front view of a landing door device for an elevator according to the present invention, showing the landing door device viewed from the elevator hoistway side. The elevator halls provided on each floor of the building lead to the hoistway through the hall entrance and exit enclosed by the floor of the hall and the three-way frame (not shown). The boarding / exiting of the bus is carried out through this hall entrance / exit. In addition, a landing door 1 is installed at the elevator hall to prevent passengers waiting for the arrival of the car at the hall from falling into the hoistway when the car is not stopped at the hall. Safety for passengers at the hall is ensured. The landing door 1 is provided with a door panel 1a for closing the landing doorway to prevent falling into the hoistway, a door hanger 1b provided on the upper portion of the door panel 1a, and a rotatable portion on the upper portion of the door hanger 1b. And a hanger roller 1c disposed above the door panel 1a. A hanger case 2 is installed on the hoistway wall above the landing entrance, and a hanger rail 2 a for guiding the hanger roller 1 c of the landing door 1 is horizontally installed on the hanger case 2. In the present invention, as shown in FIG. 1, a description will be given of a single-opening type landing door device that has two door panels 1a and both the two door panels 1a move to one side. Without being limited, the number of door panels 1a and the open / close method of single-open or double-open are arbitrarily set according to specifications.

  Moreover, this hall door device has smoke shielding performance, and has a configuration capable of preventing the smoke and toxic gas on the hall side generated in the event of a fire or the like from entering the hoistway. That is, when the elevator car is not stopped at the landing and the landing door 1 is closed, the clearance formed at the landing doorway, for example, the landing door 1 such as the door panel 1a and the landing three-way frame or the landing A gap provided between the landing fixed body such as the sill 3 and a gap provided between the landing doors 1 when a plurality of door panels 1a are used are blocked by a sealing material for smoke shielding described later. It is.

Further, the landing door device is provided with a locking device 4 that locks the landing door 1 when the landing door 1 is closed. The locking device 4 includes a receiver 4a provided on a landing fixing body such as the hanger case 2 and a latch 4b provided on the landing door 1 such as a door hanger 1b and capable of rotating within a predetermined angle. When the landing door 1 is closed, that is, when the elevator car is not stopped at the landing and the landing doorway is closed by the door panel 1a, the catch 4a and the latch 4b are clawed. It is comprised so that the landing door 1 may not be open | released when a part mutually engages. When the elevator car stops at the landing, the locking device 4 is unlocked by the unlocking means (not shown) provided on the car side, and is provided on the car door (not shown). The landing door 1 is opened in conjunction with the car door by the engaging means (not shown). In addition, the locking device 4 must be manually unlocked from the landing side of the landing door device so that the passengers confined in the car in the event of an emergency or failure of the elevator device can be quickly rescued. An unlocking device 5 is provided.
Below, there is a sealing material that prevents smoke or toxic gas on the landing side from entering the hoistway in the event of a fire, etc., and an unlocking device that manually unlocks the locking device 4 from the landing side in the event of an emergency. 5 will be described in detail.

Embodiment 1 FIG.
2 is a plan view of an essential part of a landing door device for an elevator according to Embodiment 1 of the present invention, FIG. 3 is a front view thereof, FIG. 4 is a side view thereof, and two door panels 1d and 1e when the landing door 1 is closed. The structure of the sealing material 6 for shielding the smoke which closes the clearance gap formed in between, and the unlocking apparatus 5 installed in the hoistway side side surface of the door panel 1d by the hoistway side is shown. In the figure, the landing door 1 installed at the elevator hall has one end in the width direction of the door panel 1d arranged on the hoistway side and the other end in the width direction of the door panel 1e arranged on the landing side. The door panels 1d and 1e are arranged so as to overlap each other when viewed from the landing side when the door 1 is closed. Further, on one side surface in the width direction of the door panel 1d arranged on the hoistway side, a smoke shielding seal material 6 is provided via a seal material fitting 7, and the door panels 1d and 1e are closed when the landing door 1 is closed. A gap in the vertical direction formed therebetween is closed by the sealing material 6. The sealing material 6 is made of an elastic body such as rubber, and one end of the hoistway side has a mounting plate 7a fixed to one side surface of the door panel 1d and a side surface facing the mounting plate 7a. It is firmly held by a fixing plate 7c fixed by bolts 7b. Further, the other end of the sealing material 6 on the side opposite to the hoistway has a substantially wedge shape whose width becomes narrower toward the end, and the sealing material 6 has the other end at the landing when the landing door 1 is closed. It arrange | positions so that the hoistway side side surface of the door panel 1e arrange | positioned at the side may be contacted.

  The unlocking device 5 for unlocking the locking device 4 by operation from the landing side is attached so as to be orthogonal to the landing door 1 and a mounting plate 5a provided on the side of the hoistway side of the door panel 1d arranged on the hoistway side. A shaft 5b provided on the plate 5a, a lever 5c provided so as to be rotatable within a predetermined angle about the shaft 5b, and a lever 5c and a latch 4b for transmitting the movement of the lever 5c to the locking device 4. A connecting member 5d provided therebetween is provided. The lever 5c has a central portion pivotably provided on the shaft 5b and a lever main body 5e whose other end on the anti-seal member 6 side is connected to the connecting member 5d, and a bolt on one end of the lever main body 5e. Engagement that is fastened by 5f and bent in a substantially U shape in plan view so that one end thereof is disposed closer to the hoistway than the sealing material 6 provided on one side of the door panel 1d. The engaging portion 5g is configured to be detachable from the lever main body 5e when the bolt 5f is relaxed. That is, the other end portion of the engaging portion 5g is provided with a dharma hole 5h having a small-diameter hole disposed on the upper portion, and the engaging portion 5g is fixed to the lever main body 5e via the dharma hole 5h. The engaging portion 5g can be removed from the unlocking device 5 only by loosening without completely removing the bolt 5f. In addition, the main body described in the claims includes an attachment plate 5a, an axis 5b, a connecting member 5d, and a lever main body 5e excluding the engaging portion 5g of the unlocking device 5, and a fixing means is a bolt 5f. And a dharma hole 5h.

  Next, in the elevator landing door apparatus having such a configuration, a case will be described in which the locking device 4 is unlocked by manual operation from the landing side when the elevator apparatus fails or when operation is stopped such as in an emergency. First, the operator inserts the unlocking rod 8 having a predetermined length into the gap formed between the door panels 1d and 1e from the landing side. When the unlocking bar 8 is inserted into the gap, the tip of the unlocking bar 8 comes into contact with the side surface of the sealing material 6 provided on the door panel 1d. Here, as shown in FIG. 5, the tip of the unlocking bar 8 has a substantially wedge shape, and the tip corner is rounded to a predetermined degree. Further, the other end of the seal material 6 on the side opposite to the hoistway is substantially wedge-shaped, and the width becomes narrower toward the tip. Therefore, when the tip of the unlocking bar 8 comes into contact with the side surface of the sealing material 6, the unlocking bar 8 naturally moves toward the door panel 1 e along the inclination of the sealing material 6. The operator further pushes the unlocking rod 8 until the tip of the unlocking rod 8 reaches the position of the engaging portion 5g of the unlocking device 5, and operates the unlocking rod 8 to move the engaging portion 5g upward. Move. By moving the engaging portion 5g upward, the claw portions of the catch 4a and the latch 4b of the locking device 4 are detached via the connecting member 5d, and the landing door 1 can be opened.

  According to Embodiment 1 of the present invention, the seal member 6 having one end portion provided on the door panel 1d of the landing door 1 is such that the width of the other end portion contacting the door panel 1e becomes narrower toward the end portion. Since it has a wedge shape, it is easy to push the unlocking rod 8 when the unlocking device 5 is operated manually, and it is possible to minimize damage to the sealing material 6. Moreover, since the other end part of the sealing material 6 is exhibiting substantially wedge shape, there also exists an effect which makes contact resistance at the time of opening / closing of the landing door 1 small. Further, since one end portion of the sealing material 6 is firmly held by the sealing material attachment 7, when the unlocking device 5 is manually operated, the sealing material 6 is fixed by the distal end portion of the unlocking bar 8. Even when the vicinity of the portion is pressed, the sealing material 6 is not peeled off as in the conventional case, and the smoke shielding performance of the landing door device is not deteriorated. Further, the engaging portion 5g of the unlocking device 5 with which the unlocking bar 8 engages when unlocking the locking device 4 can be easily attached to and detached from the lever body 5e by loosening the bolt 5f. Therefore, it is not necessary to remove the entire unlocking device 5 from the landing door 1 as in the prior art when the sealing material 6 is replaced, and the workability is greatly improved. In addition, the elevator apparatus is used as a construction elevator for the construction of other facilities after the installation but before the completion of the building. Since the sealing material 6 is installed immediately before the completion in order to prevent breakage, In this case, it is not necessary to remove the entire unlocking device 5, and the workability is excellent. Since the engaging portion 5g is provided in the lever main body 5e via the dharma hole 5h, the bolt 5f can be removed without completely removing the bolt 5f from the lever main body 5e, and the bolt 5f should be relaxed. Even in the case that the engaging portion 5g has fallen, it is possible to prevent the engaging portion 5g from dropping. Moreover, in Embodiment 1 of this invention, the one end part of the sealing material 6 was provided in the landing door 1, and the case where the engaging part 5g of the unlocking device 5 was arrange | positioned at the hoistway side of this sealing material 6 was demonstrated. However, it goes without saying that the same effect can be obtained when one end portion of the sealing material 6 is provided on the landing fixed body and the engaging portion of the unlocking device 5 is disposed on the hoistway side of the sealing material 6.

Embodiment 2. FIG.
FIG. 6 is a detail view of a main part of an elevator landing door device according to Embodiment 2 of the present invention, and shows a sealing material 6 and a sealing material fixture 7 that sandwiches one end of the sealing material 6. In the figure, the sealing material 6 for smoke shielding has a substantially rectangular cross section, and one end of the hoistway side is sandwiched by the sealing material fixture 7 and fixed to one side surface of the door panel 1d. It arrange | positions so that a side other end part may contact the door panel 1e. The rest of the configuration is the same as that of the first embodiment. As described above, even when the landing-side end portion of the sealing material 6 does not have a substantially wedge shape, the sealing material 6 is very elastic, or the thickness thereof is thin and the landing-side end portion needs to be formed in a substantially wedge shape. When there is no such effect, the same effect as in the first embodiment can be obtained by the above configuration.

Embodiment 3 FIG.
FIG. 7 is a view showing an engaging portion of the unlocking device according to Embodiment 3 of the present invention. In the figure, the engaging portion 5g of the unlocking device 5 is provided with a slit hole 5j that opens downward at the other end, and is fixed to the lever body 5e by a bolt 5f through the slit hole 5j. . The rest of the configuration is the same as that of the first or second embodiment. By having such a configuration, as in the first embodiment, the bolt 5f can be removed from the lever body 5e without completely removing the bolt 5f from the lever body 5e, and the bolt 5f is loosened. However, it is possible to prevent the engaging portion 5g from falling into the hoistway.

Embodiment 4 FIG.
FIG. 8 is a plan view of an essential part of a landing door device for an elevator according to Embodiment 4 of the present invention, and shows the configuration of a sealing material 6 for smoke shielding and an unlocking device 5 installed on a door panel 1d on the hoistway side. It is shown. In the figure, a bolt 5f that fastens and fixes the engaging portion 5g of the unlocking device 5 to the lever body 5e is provided with a split pin 5k at the tip thereof, and the bolt 5f is provided with a mechanism for preventing a drop from the lever body 5e. It has been. The rest of the configuration is the same as that of any one of the first to third embodiments. By having such a configuration, it is possible to reliably prevent the bolt 5f from dropping due to the replacement work of the sealing material 6 or vibration during normal operation.

Embodiment 5. FIG.
FIG. 9 is a plan view of an essential part of an elevator hall door device according to Embodiment 5 of the present invention, and shows the configuration of a smoke shielding seal 6 and an unlocking device 5 installed on a door panel 1d on the hoistway side. It is shown. In the figure, a bolt 5f that fastens and fixes the engaging portion 5g of the unlocking device 5 to the lever body 5e is provided with a retaining ring 5m at the tip thereof, and the bolt 5f is provided with a mechanism for preventing a drop from the lever body 5e. It has been. The rest of the configuration is the same as that of the fourth embodiment. By having such a configuration, similarly to the fourth embodiment, it is possible to reliably prevent the bolt 5f from dropping due to the replacement work of the sealing material 6, vibration during normal operation, or the like.

Embodiment 6 FIG.
FIG. 10 is a front view of an essential part of a landing door device for an elevator according to Embodiment 6 of the present invention, and FIG. 11 is a plan view thereof, showing a solution installed on a smoke shielding material 6 and a door panel 1d on the hoistway side. The structure with the locking device 5 is shown. In the figure, the engagement portion 5g of the unlocking device 5 is bent so that the longitudinal section of the other end on the lever body 5e side is substantially U-shaped. One dharma hole 5h in which the large-diameter hole is disposed in the horizontal direction is provided. The engaging portion 5g is arranged so that one end of the lever body 5e is disposed in a U-shaped portion formed at the other end, that is, the U-shaped portions of the engaging portion 5g on the upper and lower surfaces facing each other. It is fastened and fixed to one end portion of the lever main body 5e by a bolt 5f through a dharma hole 5h so that one end portion of the lever main body 5e is disposed therebetween. The rest of the configuration is the same as that of any one of the first to fifth embodiments.

  According to the sixth embodiment of the present invention, the engaging portion 5g is provided so that one end portion of the lever body 5e is disposed between the upper and lower surfaces of the U-shaped portion formed at the other end portion facing each other. Therefore, even when the bolt 5f is relaxed by vibration or the like, only the engaging portion 5g does not rotate around the bolt 5f during the unlocking operation by the unlocking rod 8, The function as the unlocking device 5 is not impaired. Further, the engaging portion 5g is fixed to the lever body 5e by a bolt 5f through a dharma hole 5h in which a small diameter hole and a large diameter hole are arranged in the horizontal direction. In addition, it is possible to remove the engaging portion 5g from the lever body 5e only by loosening the bolt 5f and moving the engaging portion 5g in the horizontal direction. Since the engaging portion 5g is prevented from rotating by the U-shaped portion, only one bolt 5f is used, and the workability is excellent when the engaging portion 5g is attached or detached.

Embodiment 7 FIG.
FIG. 12 is a front view of an essential part of an elevator hall door device according to Embodiment 7 of the present invention. In the figure, the lever main body 5e and the engaging portion 5g of the unlocking device 5 are connected by a wire 5n to prevent the engaging portion 5g from falling. The rest of the configuration is the same as that of the sixth embodiment. By having such a configuration, even when the bolt 5f is completely removed, it is possible to reliably prevent the engaging portion 5g from dropping, and it is also possible to prevent the engaging portion 5g from being lost. In the seventh embodiment, the lever body 5e and the engaging portion 5g are connected by the wire 5n. However, as long as the engaging portion 5g can be prevented from dropping when the bolt 5f is removed. Needless to say, for example, the same effect can be obtained by using a rope or a chain.

Embodiment 8 FIG.
13 is a plan view of a principal part of an elevator landing door apparatus according to Embodiment 8 of the present invention, FIG. 14 is a front view thereof, and FIG. 15 is a cross-sectional view taken along line AA in FIG. In the figure, the lever main body 5e of the unlocking device 5 has one screw hole 5p formed at one end thereof, and the engaging portion 5g is rotated by a hinge 5r between the screw hole 5p and the shaft 5b. It is provided to be movable. The engaging portion 5g is provided with an attachment hole 5s in a position facing the screw hole 5p, and is fastened and fixed to the lever body 5e by a bolt 5f through the attachment hole 5s. The rotation preventing means for preventing the engagement portion 5g from rotating includes an attachment hole 5s provided in the engagement portion 5g and a bolt for fixing the engagement portion 5g to the lever body 5e via the attachment hole 5s. 5f. Further, a C-type retaining ring 5t is provided at the neck portion of the bolt 5f, and the bolt 5f is provided with a mechanism for preventing a drop from the engaging portion 5g. The rest of the configuration is the same as that of the first embodiment.

  According to the eighth embodiment of the present invention, the engaging portion 5g is rotatably provided to the lever main body 5e via the hinge 5r. Therefore, when the sealing material 6 is exchanged, the engaging portion 5g Can be performed without completely removing the lever 5e from the lever main body 5e, and there is no risk of the engagement portion 5g dropping or losing. Further, even when the bolt 5f is loosened by the C-type retaining ring 5t provided on the bolt 5f, the bolt 5f can be prevented from falling into the hoistway.

Embodiment 9 FIG.
FIG. 16 is a front view of an essential part of an elevator landing door device according to Embodiment 9 of the present invention, and FIG. 17 is a side view thereof. In the figure, the lever body 5e of the unlocking device 5 is provided with a latch 5u so as to be rotatable between a shaft 5b and a hinge 5r. Further, the engaging portion 5g provided on the lever main body 5e so as to be rotatable by the hinge 5r is provided with a receiving metal 5v which prevents the engaging portion 5g from rotating by engaging the latch 5u. Yes. The same applies when the latch 5u is provided on the engaging portion 5g and the receiver 5v is provided on the lever body 5e. Others have the same configuration as in the eighth embodiment. By having such a configuration, a bolt tightening operation is not required when the sealing material 6 is replaced, so that the workability is excellent and the risk of losing a bolt or the like is eliminated.

  In the present invention, the unlocking device 8 is operated by inserting the unlocking rod 8 into the gap formed between the door panels 1d and 1e. However, the unlocking device 5 is operated between the landing door 1 and the landing three-way frame. Even when the unlocking device 5 is operated by inserting the unlocking bar 8 into the formed gap or the gap formed between the landing door 1 and the landing threshold 3, it has the same configuration as the present invention. Therefore, it goes without saying that the same effect can be obtained.

1 is an overall front view of an elevator hall door device according to the present invention. It is a principal part top view of the elevator landing door apparatus in Embodiment 1 of this invention. It is a principal part front view of the elevator landing door apparatus in Embodiment 1 of this invention. It is a principal part side view of the elevator landing door apparatus in Embodiment 1 of this invention. It is detail drawing of the unlocking rod in Embodiment 1 of this invention. It is principal part detail drawing of the elevator landing door apparatus in Embodiment 2 of this invention. It is the figure which showed the engaging part of the unlocking apparatus in Embodiment 3 of this invention. It is a principal part top view of the elevator landing door apparatus in Embodiment 4 of this invention. It is a principal part top view of the elevator landing door apparatus in Embodiment 5 of this invention. It is a principal part front view of the elevator landing door apparatus in Embodiment 6 of this invention. It is a principal part top view of the elevator landing door apparatus in Embodiment 6 of this invention. It is a principal part front view of the elevator landing door apparatus in Embodiment 7 of this invention. It is a principal part top view of the elevator landing door apparatus in Embodiment 8 of this invention. It is a principal part front view of the elevator landing door apparatus in Embodiment 8 of this invention. It is AA sectional drawing in FIG. It is a principal part front view of the elevator landing door apparatus in Embodiment 9 of this invention. It is a principal part side view of the elevator landing door apparatus in Embodiment 9 of this invention.

Explanation of symbols

1 landing door 1a, 1d, 1e door panel 1b door hanger 1c hanger roller 2 hanger case 2a hanger rail 3 landing sill 4 locking device 4a catcher 4b latch 5 unlocking device 5a mounting plate 5b shaft 5c lever 5d lever 5d lever 5d lever 5f Bolt 5g Engagement part 5h Dalma hole 5j Slit hole 5k Split pin 5m Retaining ring 5n Wire 5p Screw hole 5r Hinge 5s Mounting hole 5t C-type retaining ring 5u Hatch 5v Receiving 6 Sealing material 7 Sealing material mounting plate 7b bolt
7c Fixing plate 8 Unlocking bar

Claims (9)

  A landing door installed in the elevator hall, a fixed body or one end of the landing door, and a sealing material that closes a gap formed at the landing doorway when the landing door is closed, and when the landing door is closed A locking device that locks the landing door; and an unlocking device that unlocks the locking device when operated from the landing side. The unlocking device includes a main body connected to the locking device; An elevator landing door device comprising: an engaging portion disposed on a hoistway side with respect to the seal material; and a fixing means for detachably fixing the engaging portion to the main body portion.   The fixing means of the unlocking device comprises a dharma hole or slit hole provided in the engaging part, and a bolt for fixing the engaging part to the main body part through the dharma hole or slit hole. The elevator landing door device according to claim 1.   The elevator landing door device according to claim 2, wherein the bolt has a mechanism for preventing the bolt from falling off from the main body.   A landing door installed in the elevator hall, a fixed body or one end of the landing door, and a sealing material that closes a gap formed at the landing doorway when the landing door is closed, and when the landing door is closed A locking device that locks the landing door; and an unlocking device that unlocks the locking device when operated from the landing side. The unlocking device includes a main body connected to the locking device; An engaging portion disposed on the hoistway side with respect to the sealing material, a hinge for rotatably fixing the engaging portion to the main body portion, and a rotation preventing means for preventing the engaging portion from rotating. An elevator hall door device characterized by comprising:   The elevator according to claim 4, wherein the rotation preventing means includes an attachment hole provided in the engagement portion, and a bolt for fixing the engagement portion to the main body through the attachment hole. Landing door equipment.   The rotation preventing means includes a latch provided rotatably on either the main body part or the engaging part, and a receiver provided on either the main body part or the engaging part, with which the latch is engaged. The elevator landing door device according to claim 4, wherein the elevator landing door device is provided.   The elevator landing door device according to any one of claims 1 to 6, wherein the seal member has a wedge shape at the other end.   8. The sealing material according to claim 1, wherein one end of the sealing material is sandwiched between a mounting plate provided on a landing fixing body or a landing door and a fixing plate facing the mounting plate. The elevator landing door device according to claim 1.   A key unlocking rod for use in unlocking a locking device for an elevator landing door device according to any one of claims 1 to 8 manually from the landing side, the tip of which has a wedge shape, An unlocking bar for an elevator landing door device, wherein the section has a predetermined roundness.

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