JP5823893B2 - Elevator landing water stop device and elevator system equipped with the same - Google Patents

Description

  The present invention relates to an elevator landing water stop device that prevents the influence of rainwater that enters a hoistway from a gap around a landing door during a typhoon or heavy rain on an elevator device.

  Conventionally, as a measure for preventing rainwater from entering the elevator hoistway, there have been proposed one provided with a fence on the elevator threshold (Patent Document 1), one provided with a waterproof shutter at the elevator landing (Patent Document 2), and the like. ing.

  Japanese Patent Application Laid-Open No. H10-228707 describes a water support plate that has a strip-shaped body made of a polymer substance and is provided with a detachable support body.

JP 7-267554 A JP 2002-46966 A Japanese Utility Model Publication No. 62-071174

  At the bottom of the elevator hoistway, there are various switches used for elevator operation control, and important parts such as hoisting machines are arranged depending on the type of elevator. There is a risk of failure. In general, rainwater intrusion prevention into the hoistway is required to be carried out on the building side, and the elevator equipment side is only capable of dealing with the possibility of water drops.

  However, on the other hand, abnormal weather such as typhoons and guerrilla heavy rains frequently occur and often floods the hoistway, which requires not only the building side but also the elevator side. However, waterproofing the switches and hoisting machines is not practical due to economic problems. If water accumulates in the hoistway, the elevator is temporarily evacuated to the upper floor. The method of stopping operation and preventing confinement in the elevator car was applied.

  The rainwater collecting device described in Patent Document 1 can handle a small amount of water, but if a large amount of rainwater flows in a short time such as a typhoon or guerrilla heavy rain, it will exceed the capacity of the dredger. Therefore, it is not a sufficient measure.

  Since the inundation preventing device described in Patent Document 2 has a configuration in which a waterproof shutter, a motor, and the like are installed in advance around the elevator door, it is necessary to secure an installation space for them. In addition, it is necessary to install an electric device such as a motor in an area where rainwater may flow.

  Since the inundation preventing device described in Patent Document 3 has a configuration in which the infiltration prevention plate is supported by a fixed guide, it is necessary to always install the fixed guide at the elevator hall. In order to secure the effective exit width of the elevator, it is necessary to further widen the platform, and there is room for improvement in that it lacks design properties.

  The object of the present invention is to ensure that the effective exit width of the elevator can be ensured during normal use, is excellent in design, and may be installed only when there is a risk of rainwater entering, and passengers It is in providing the elevator water stop apparatus which can be removed.

  The present invention can be installed between a joint sill provided on the landing side in parallel with a landing sill that guides a landing door that opens and closes the entrance of the elevator, two pillars constituting the entrance, and the two pillars In an elevator landing water stop device equipped with a water stop plate, a groove is provided on the upper surface of the joint sill, and the water stop plate is fixed in a state of being inserted into the groove, and can be freely attached and detached. It is characterized by.

  According to the present invention, it is possible to attach a water stop plate in front of the landing door regardless of the operation control of the elevator during a temporary heavy rain such as a typhoon or guerrilla heavy rain.

It is a side view which shows the whole structure of the boarding water stop apparatus of the elevator of an Example. It is a top view which shows the structure around the landing door of the landing water stop apparatus of FIG. It is a partial expanded side view which shows the surroundings of the landing door of the modification of a landing water stop apparatus. It is the elements on larger scale which show the area | region II of FIG. It is a top view which shows the water stop board of FIG. It is a front view which shows the water stop board of FIG. It is a fragmentary perspective view which shows the detail of a boarding sill and a joint sill. It is a side view which shows the whole structure of the conventional elevator. It is a top view which shows the modification of the three-way frame of an elevator.

  Hereinafter, a landing water stop device for an elevator according to an embodiment of the present invention and an elevator system including the same will be described.

  The landing water stop device includes a joint sill provided on the landing side in parallel with a landing sill that guides a landing door that opens and closes the entrance of the elevator, two pillars constituting the entrance and exit, and a space between the two pillars. The joint sill has a groove on the upper surface portion, and the water stop plate is fixed in a state of being inserted into the groove, and can be attached and detached freely. To do.

  In the landing water stop device, the water stop plate preferably has a height of 1000 mm or less.

  In the landing water stop device, the water stop plate preferably has packing at both ends.

  In the landing water stop device, it is desirable that the groove can be provided with a closing material.

  The landing water stop device further includes a drainage duct, and it is desirable that the drainage duct and the groove communicate with each other through a drainage hole.

  The elevator system includes the landing water stop device.

  Hereinafter, the elevator water stop apparatus of an Example is demonstrated based on figures.

  FIG. 1 is a side view showing an overall configuration of a landing water stop device for an elevator.

  In this figure, a hoistway 1 is a way of a car 2 on which passengers ride and move up and down. The car 2 is suspended by a lifting rope (not shown), and is moved up and down by operating the lifting rope by the hoisting machine 3. The detection switch 4 is fixed to a guide rail (not shown) or the like of the hoistway 1 to prevent the car 2 from overtraveling at the terminal floor.

  The landing door 7 provided in the openings 5 and 6 of the hoistway 1 opens and closes in conjunction with the car door 8 when the car 2 stops at a predetermined position on the floor so that the car 2 can get on and off. ing. The lower part of the landing door 7 is guided by a landing sill 9. The joint sill 10 is arranged on the opening 5 side so that the height of the upper surface is substantially the same as that of the hall sill 9.

  In this figure, the state which installed the water stop board 20 in the groove | channel of the joint sill 10 is shown.

  The height of the water blocking plate 20 is desirably 1000 mm or less. This is because even if a passenger in the car 2 arrives at the floor where the water stop plate 20 is installed and the car door 8 and the landing door 7 are opened, the situation of the floor can be visually confirmed. If it is confirmed that there is no risk of rainwater entering the hoistway 1 and it is safe, the passenger can remove the water stop plate 20 and get out of the elevator and exit to the opening 5. In addition, when it is determined that there is a risk of rainwater entering, the passenger can move the car 2 to the upper floor again and evacuate.

  If the depth of water collected in the openings 5 and 6 is considered to be low from the viewpoint of the structure around the elevator, the expected amount of rainwater inflow, the ease of drainage on the openings 5 and 6 side, etc. The height of the water stop plate 20 may be 700 mm or less, or 500 mm or less.

  FIG. 2 is a plan view showing the landing doorway portion of FIG.

  The elevator platform is provided with a three-way frame composed of two pillars 11 and beams. As shown in the figure, a water stop plate 20 can be installed between the two pillars 11 constituting the three-way frame. In the present embodiment, the opposing surfaces of the two pillars 11 are parallel. Packing 21 is provided at both ends of the water stop plate 20 so that no gap is formed between the water stop plate 20 and the column 11.

  Further, since the deformable packing 21 is provided, the column 11 is in close contact with the column 11 even if the shape of the column 11 is different. The water stop plate 20 is detachably installed.

  The lower end portion of the water stop plate 20 is fixed in a state of being inserted into the groove 10 a of the joint sill 10.

  FIG. 3 is an enlarged side view showing a modification of the hall entrance / exit part of the elevator.

  As shown in the figure, the joint sill 10 has a groove 10a. A drainage duct 31 is provided below the joint sill 10. A hole is provided in a part of the groove 10 a so that water accumulated in the groove 10 a flows down to the drainage duct 31.

  The lower end portion of the water blocking plate 20 is fixed in a state where it is inserted into the groove 10a of the joint sill 10, but can be drained from a hole provided in a part of the groove 10a. That is, by providing a gap connected to the hole between the water stop plate 20 and the groove 10a, the water stop plate 20 can be attached in front of the landing door in a state where it can be drained.

  FIG. 4 is an enlarged view of the region II in FIG. 3 and shows a specific configuration of the above-mentioned hole.

  A groove 10a is provided on the upper surface of the joint sill 10, and rainwater flows down to the drainage duct 31 through the drainage hole 10b.

  The groove 10a is usually filled with a closing material 12 so that dust or the like does not enter. Since this closing material 12 can match the height of the upper surface of the joint sill 10, it is excellent in design that is not noticed even when passengers get on and off. Further, since there is no step on the upper surface of the joint sill 10, there is no problem even when carrying a load by a carriage or the like.

  Furthermore, during normal use, it is not necessary to install protrusions or the like in the area surrounded by the joint sill 10 and the three-sided frame shown in FIG. 2, so that the effective exit width of the elevator can be ensured.

  FIG. 6 is a partial perspective view showing the landing sill and the joint sill of FIG. 4 and clearly shows the specific shape of the hole.

  As shown in the figure, the groove 10a is provided with a plurality of drain holes 10b.

  With these configurations, rainwater can be prevented from flowing between the water stop plate 20 and the landing door 7, and rainwater can be prevented from entering the hoistway 1 through the gap between the pillar 11 and the landing door 7.

  5A is a plan view showing the water stop plate of FIG. 1, and FIG. 5B is a front view showing the water stop plate of FIG. 1.

  In these drawings, the packing 21 is provided on the flat portion near both ends of the water stop plate 20.

  In the present embodiment, the packing 21 has a shape in which the cross section has a letter “C” as shown in FIG. 5A. The packing 21 is made of a flexible resin or rubber. By fitting the packing 21 so as to be in close contact with the two columns 11 of the three-way frame shown in FIG. 2, it is possible to prevent rainwater from entering the hoistway 1.

  In addition, the cross-sectional shape of the packing 21 is not limited to this, and although not illustrated, the packing 21 may have a tube shape having flexibility capable of injecting air. According to this structure, it can expand | swell in a short time with a small compressed air cylinder, and can be made to contact | adhere to the two pillars 11. FIG. Furthermore, it can be set as the structure which closely_contact | adheres by providing a fin (fin) in a tube, without a slight clearance gap. The shape of the fin may be similar to the packing 21 shown in FIG. 5A.

  FIG. 8 is a plan view showing a modification of the three-way frame of the elevator.

  In this figure, the opposing surfaces of the two pillars 11 are not parallel, and the distance between the two pillars 11 toward the landing door 7 is shortened. That is, the column 11 has a slope 41. In the case of this configuration, when the water stop plate 20 is fitted, the water stop plate 20 can be easily pushed toward the landing door 7, and the packing 21 has a width to be closely attached at an appropriate position.

  FIG. 7 is a side view showing an example of a conventional elevator that is not provided with a landing water stop device.

  In this figure, raindrops 35 blow in, rainwater 36 accumulates on the opening 5 side, and flows into the hoistway 1 from between the landing door 7 and the landing sill 9. For this reason, rainwater 37 accumulates at the bottom of the hoistway 1 where the hoisting machine 3 or the like is installed. In this case, electrical parts such as the hoisting machine 3 cannot be used.

  Below, the operation procedure of the landing water stop apparatus of a present Example is demonstrated.

  In normal use, as shown in FIG. 4, a closing material 12 is put in the groove 10a so that dust or the like does not enter the groove 10a and the drain hole 10b.

  When there is a possibility of heavy rain such as a typhoon, the sealing material 12 is removed, and the water stop plate 20 is attached so as to be fitted into the groove 10 a and the column 11 of the joint sill 10.

  Both end portions of the water stop plate 20 are in close contact with the two columns 11 of the three-way frame. Moreover, the lower end part of the water stop board 20 is engage | inserted in the groove | channel 10a, and the clearance gap between this lower end part and the groove | channel 10a is ensured. Thereby, rainwater flows into the drainage duct 31 via the groove 10a and the drainage hole 10b. For this reason, rainwater can be prevented from flowing into the hoistway 1 side.

  Due to the above configuration, rainwater entered the hoistway 1 through the gap between the landing door 7 and the landing sill 9, which was a conventional problem as shown in FIG. 7, and was installed at the bottom of the hoistway 1. There is no possibility that the hoisting machine 3 or the detection switch 4 will be flooded, and it is possible to eliminate the need for drip-proof / waterproofing of the equipment. Furthermore, even if the water stop plate 20 is installed, it is possible to eliminate a special response in elevator operation control.

  According to the present invention, it is possible to attach a water stop plate in front of the landing door regardless of the operation control of the elevator during a temporary heavy rain such as a typhoon or guerrilla heavy rain. This water stop plate can be attached and removed by anyone other than a professional engineer. This makes it possible to provide an elevator landing water stop device that is easy to operate and inexpensive.

  In addition, the water stop board 20 should just be normally stored in a manager's room, a warehouse, etc., and does not narrow the exit of an elevator.

  1: hoistway, 2: car, 3: hoisting machine, 4: detection switch, 5, 6: opening, 7: landing door, 8: car door, 9: landing sill, 10: joint sill, 10a: groove 10b: hole for drainage, 11: pillar, 12: plugging material, 20: water stop plate, 21: packing, 31: drainage duct.

Claims (5)

A joint sill provided on the landing side in parallel with the landing sill that guides the landing door that opens and closes the entrance of the elevator, two pillars that constitute the entrance, and a water stop that can be installed between the two pillars A water stop device having a board, wherein the joint sill has a groove on an upper surface portion, and the water stop plate is fixed in a state of being inserted into the groove, and can be freely attached and detached. The elevator water stop device is characterized in that the groove can be provided with a closing material . A joint sill provided on the landing side in parallel with the landing sill that guides the landing door that opens and closes the entrance of the elevator, two pillars that constitute the entrance, and a water stop that can be installed between the two pillars A water stop device having a plate and a drainage duct , wherein the joint sill has a groove on an upper surface portion, and the water stop plate is fixed in a state of being inserted into the groove, installation and removal Ri is freely der, elevator hall waterstop device, characterized in that communicate with each other through the drain hole and the drainage duct and the groove. The elevator water stop device according to claim 1 or 2, wherein the water stop plate has a height of 1000 mm or less. The elevator water stop device according to any one of claims 1 to 3, wherein the water stop plate has packing at both ends. An elevator system comprising the elevator water stop device according to any one of claims 1 to 4 .

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