JP7432166B1 - elevator car and elevator - Google Patents

Abstract

The present invention provides an elevator car and an elevator in which handrails can be placed at appropriate positions along scaffolding boards. [Solution] Of the left and right handrails 71, 71 used as a set with a scaffold board 70 during rescue work, a first locking portion that locks the end of the handrail 71 arranged on the free end side of the door 50 is located at the emergency exit. 40 (e.g., the vertical frame of the frame 41), and which locks the end of the handrail 71 disposed on the fixed end side of the door 50. one end). Thereby, not only the former handrail 71 but also the latter handrail 71 can be placed at a position close to the scaffold board 50. [Selection diagram] Figure 10

Description

The present invention relates to an elevator car and an elevator equipped with an emergency exit device.

As shown in FIG. 11, in an elevator 1' in which a plurality of cars 3', 3' are installed side by side in one hoistway 2', opposing side walls 34' of adjacent cars 3', 3', Emergency exits 40' and 40' are formed at 34', and if any car 3' becomes stuck in the middle of the hoistway 2', the adjacent car 3' will be used as a rescue car 3A' and will be moved to the side of the malfunctioning car 3B'. The doors 50' of each car 3A', 3B' are opened to open the emergency exit 40', and the scaffold board 70' is placed between the lower edges of the two emergency exits 40', 40'. After passing the handrail ropes 71' and 71' between the vertical edges of the emergency exits 40' and 40', a rescue operation was carried out in which the passengers in the malfunctioning car 3B' were transferred to the rescue car 3A' and rescued. (Patent Document 1).

Japanese Patent Application Publication No. 10-316323

Conventionally, as shown in FIG. 12, a locking part is provided at a predetermined height position on the vertical edge of the emergency exit 40' (vertical frame of the frame 41'), and the end of the handrail rope 71' is hung on the locking part. handrail rope 71' was attached.

Here, when the handrail 38' is provided on the inner surface side of the door 50', the center of rotation 51 of the door 50' is ' is set at a position shifted inward in the width direction from the corner of the frame 41' (corner of the door 50'), and the door 50' opens at a position shifted inward in the width direction from the corner of the frame 41', It opens at a predetermined distance from the rear wall 35'.

For this reason, the handrail rope 71' placed on the fixed end side of the door 50' is placed at a distance from the scaffolding board 70', and this gap D gives a sense of anxiety to passengers walking across the scaffolding board 70'. There are concerns.

Therefore, the present invention has been made in view of the above circumstances, and an object of the present invention is to provide an elevator car and an elevator in which a handrail can be placed at an appropriate position along a scaffolding board.

The elevator car according to the present invention includes:
An emergency exit formed in the wall that constitutes the car room,
An inward-opening door that can be rotatably attached to an emergency exit frame with one end as a fixed end and the other end as a free end;
In order to arrange the handrails on both sides of the scaffolding board attached to the lower edge of the emergency exit during rescue work, the handrail is provided with a locking part that locks the end of each handrail,
A first locking portion that locks the end of the handrail located on the free end side of the door among the handrails on both sides is provided at the vertical edge of the emergency exit,
The second locking portion that locks the end of the handrail located on the fixed end side of the door among the handrails on both sides is an elevator car provided on the door.

Here, as one aspect of the elevator car according to the present invention,
The second locking portion may be provided at one end of the door.

Further, as another aspect of the elevator car according to the present invention,
A configuration may be adopted in which the center of rotation of the door is set at a position shifted inward in the width direction from the corner of the frame.

Moreover, as another aspect of the elevator car according to the present invention,
The end of the handrail is hook-shaped,
The second locking portion may include a ring or a hole on which the end of the handrail is hung.

Further, as yet another aspect of the elevator car according to the present invention,
It is possible to adopt a configuration including at least one of a door stay or a door stopper that resists the force of closing the door generated by the tension of the handrail acting on the second locking part.

Further, the elevator according to the present invention includes:
An elevator equipped with one of the above cars.

According to the present invention, the second locking portion that locks the end of the handrail located on the fixed end side of the door among the handrails on both sides is provided on the door, not on the vertical edge of the emergency exit. As a result, the center of rotation of the door is set at a position shifted inward in the width direction from the corner of the frame, and even if the door opens at a position shifted inward in the width direction from the corner of the frame. , the handrail is placed close to the scaffolding board rather than away from it. Therefore, according to the present invention, the handrail can be placed at an appropriate position along the scaffold board.

FIG. 1(a) is a horizontal sectional view of the elevator according to this embodiment. FIG. 1(b) is a horizontal sectional view of the elevator during rescue work. FIG. 2 is an elevator car equipped with an emergency exit device according to the present embodiment, and is a perspective view of the main parts of the car as seen from inside the car. FIG. 3 is a perspective view of the main parts of the car seen from outside the car. FIG. 4 shows the car with the door open, and is a perspective view of the main parts of the car seen from inside the car. FIG. 5(a) is a perspective view of the upper part of the door where the door stay is provided. FIGS. 5(b1) and 5(b2) are explanatory views of the use of the door stopper provided at the bottom of the door. FIG. 6 is a perspective view of the main parts of the car as seen from outside the car, with the door open. FIG. 7(a) is an enlarged view of section A in FIG. 6. FIG. 7(b) is an enlarged view of section B in FIG. FIG. 8 is a perspective view of the main parts of the car seen from outside the car, with the door opened and the handrail rope hung. FIG. 9(a) is an enlarged view of section C in FIG. FIG. 9(b) is an enlarged view of section D in FIG. FIG. 10(a) is a horizontal sectional view of the area around the emergency exit of the elevator during rescue work. FIG. 10(b) is an explanatory diagram when the tension of the handrail rope acts on the locking portion of the handrail rope. FIG. 11(a) is a horizontal sectional view of a conventional elevator. FIG. 11(b) is a horizontal sectional view of a conventional elevator during rescue work. FIG. 12 is a horizontal sectional view of the area around the emergency exit of a conventional elevator during rescue work.

Hereinafter, an elevator equipped with an emergency exit device according to this embodiment in a car will be described.

As shown in FIG. 1(a), the elevator 1 includes a hoistway 2 and a car 3. The hoistway 2 extends in the vertical direction within a multi-story building. The car 3 moves up and down within the hoistway 2 by driving a drive mechanism (not shown), and stops at a designated floor when the drive mechanism stops driving.

The car 3 includes a car room 30, an entrance 36, and a door 37. The car room 30 includes a floor 31, walls 32 (front wall 33, side wall 34, and rear wall 35), and a ceiling (not shown). The floor 31, walls 32, and ceiling are composed of one or more divided panels. An entrance/exit 36 is formed in the front wall 33 . The door 37 opens and closes the entrance/exit 36 by sliding laterally. The door 37 is a double-opening type or a single-opening type.

The car 3 is equipped with an emergency exit device 4. The emergency exit device 4 includes an emergency exit 40 and a door 50. The emergency exit 40 is formed in the side wall 34 of the car 3. More specifically, the emergency exit 40 is formed in the opposing side walls 34, 34 of the adjacent cars 3, 3 in the elevator 1 in which a plurality of cars 3, . . . are installed side by side in one hoistway 2. The door 50 opens and closes the emergency exit 40 by rotating around one end. The door 50 is a single-opening type and an inward-opening type in which the door 50 opens into the car room 30. When an operator pulls the other end of the door 50 from inside the car 30 or pushes the other end of the door 50 from outside the car 30 into the car 30, the door 50 pushes the one end. The center is opened, and the emergency exit 40 is opened.

If one of the multiple cars 3 stops moving in the middle of the hoistway 2 due to some reason such as a failure, the emergency exit device 4 moves the adjacent car 3 into a rescue car as shown in FIG. 1(b). 3A is stopped on the side of the faulty car 3B, the doors 50 of each car 3A and 3B are opened to open the emergency exit 40, and the scaffold board 70 is stretched between the lower edges of the two emergency exits 40 and 40. This is to enable a rescue operation in which the handrail ropes 71, 71 are stretched between the vertical edges of the two emergency exits 40, 40, and then the passengers in the malfunctioning car 3B are transferred to the rescue car 3A and rescued. It is.

As shown in FIGS. 2 and 3, the emergency exit 40 (hatched portion) is formed within a frame 41. The frame 41 includes left and right vertical frames 42, 42, an upper frame 43, and a lower frame 44, and frames four sides of the emergency exit 40, including the vertical edge, the upper edge, and the lower edge. The door 50 is rotatably attached to one end of the upper frame 43 and one end of the lower frame 44 via a hinge 51. As a result, one end 50a of the door 50 becomes a fixed end, and the other end 50b of the door 50 becomes a free end.

Note that a handrail 38 is provided on the inner surface side of the door 50. A handrail 38 is also provided on the side wall 34 where the emergency exit 40 is formed, on the same line as the handrail 38 of the door 50. The handrail 38 is for use by passengers inside the car room 30.

A flap 48 is rotatably attached to the lower frame 44. The flap 48 is normally stored in an upright position along the door 50, but during rescue work it is brought down and the end of the scaffolding board 70 is attached onto it.

The emergency exit device 4 includes two locking mechanism sections 56, 56 (upper locking mechanism section 56A, lower locking mechanism section 56B) and a lock release operation section 57. The two locking mechanisms 56, 56 are provided at two locations above and below the door 50, and are for fixing (locking) the door 50 to the frame 41 at the two locations above and below the door 50. The lock release operation section 57 is for performing a lock release operation of the two lock mechanism sections 56, 56 at a predetermined height position of the door 50 between the two lock mechanism sections 56, 56.

The lock release operation section 57 has an opening hole 58 on the inner surface side of the door 50 at a predetermined height position, and is operatively connected to the two lock mechanism sections 56, 56. Thereby, the lock release operation section 57 can perform the lock release operation of the two lock mechanism sections 56 and 56 from inside the car room 30 via the opening hole 58. Further, the lock release operation section 57 includes an operation lever outside the car room 30 of the door 50, so that the two lock mechanism sections 56, 56 can be unlocked from outside the car room 30 as well.

The door 50 can be opened in an unlocked state. As shown in FIG. 4, the one end 50a (rotation center) of the door 50 is located near the corner of the wall 32 (the corner between the side wall 34 and the rear wall 35). It rotates about 90 degrees from the side wall 34 about 50a and opens along the rear wall 35. However, in order to prevent the handrail 38 provided on the inner surface of the door 50 from hitting the rear wall 35 when the door 50 is opened, the center of rotation of the door 50 is moved inward in the width direction from the corner of the frame 41 (corner of the door 50). The door 50 opens at a position shifted inward in the width direction from the corner of the frame 41, and opens at a predetermined distance from the rear wall 35.

As shown in FIGS. 4 and 5(a), the emergency exit device 4 includes a door stay 60. The door stay 60 is provided at the upper part of the door 50, and is a means for resisting the force of closing the door 50 and maintaining the door 50 in an open state. The door stay 60 includes a link mechanism 61. In the link mechanism 61, two or more links are connected in a bendable manner, one end portion is fixed to the upper frame 43 of the frame 41, and the other end portion is fixed to the outer surface side of the door 50.

As shown in FIGS. 4 and 5(b), the emergency exit device 4 includes a door stopper 62. The door stopper 62 is provided at the bottom of the door 50, and is a means for resisting the force of closing the door 50 and maintaining the door 50 in an open state. The door stopper 62 includes a base 63, a movable base 64, and legs 65. The base 63 is attached to the other end 50b of the door 50 and to the outer surface of the door 50. The movable base 64 is attached to the base 63 so as to be slidable in the vertical direction, and its position can be adjusted vertically. One end of the leg 65 is rotatably attached to the movable base 64. The leg 65 is normally stored standing upright along the door 50 (the other end 50b), but when the door 50 is opened, it is brought down and the other end lands on the floor 31.

During the rescue work, the worker opens the door 50, then folds down the flap 48 of the car 3 that he/she is riding, then folds down the flap 48 of the opposing malfunctioning car 3B, and installs a scaffold board between both flaps 48, 48. 70 and handrail ropes 71, 71. Next, the operator turns the operating lever of the lock release operation section 57 of the defective car 3B to open the door 50 of the defective car 3B. After that, the worker transfers the passengers in the malfunctioning car 3B to the rescue car 3A and rescues them.

As shown in FIGS. 6 to 9, the emergency exit device 4 includes locking portions 45 and 52. The locking portion 45 is a first locking portion that locks the end 71a of the handrail rope 71 disposed on the free end side of the door 50. The locking portion 52 is a second locking portion that locks the end 71a of the handrail rope 71 disposed on the fixed end side of the door 50. The first locking portion 45 is provided at the vertical edge of the emergency exit 40, and the second locking portion 52 is provided at the door 50. In this embodiment, the first locking portion 45 is provided on the vertical frame 42 of the frame 41, and the second locking portion 52 is provided on the outer surface of the door 50 at one end 50a of the door 50. It will be done.

The locking portions 45 and 52 are provided at two locations, upper and lower. The upper locking parts 45 and 52 are located at a height of about 800 mm from the scaffold board 70. The lower locking portions 45 and 52 are located at a height of 350 to 500 mm from the scaffold board 70.

The end portion 71a of the handrail rope 71 is hook-shaped. As an example, the end portion 71a of the handrail rope 71 is a terminal engaging portion such as a hook with a locking device or a carabiner, and the locking portions 45 and 52 removably lock the end portion 71a of the handrail rope 71.

The first locking portion 45 includes holes 46 and 47. The hole 46 is a long hole. The long hole 46 is a long hole that is elongated in the vertical direction. Hole 47 is a round hole. The end portion 71a of the handrail rope 71 is hung across the holes 46 and 47.

The second locking portion 52 includes a bracket 53, a holder 54, and a ring 55. The bracket 53 is attached to one end 50a of the door 50 and to the outer surface of the door 50. The holder 54 has a recess that can accommodate a portion of the ring 55, and is attached to the bracket 53. The ring 55 is located on a horizontal plane and protrudes from the outer surface of the door 50 in a direction perpendicular to the vertical surface of the door 50. The ring 55 is fixedly supported by the holder 54 or rotatably supported. The end 71a of the handrail rope 71 is hung on the ring 55.

As described above, according to the emergency exit device 4 according to the present embodiment, the end of the handrail rope 71 disposed on the fixed end side of the door 50 among the handrail ropes 71, 71 on both sides of the scaffold board 70 (both sides of the evacuation route) The second locking portion 52 that locks the portion 71a is provided not at the vertical edge of the emergency exit 40 but at the door 50. As a result, as shown in FIG. 10(a), the rotation center (hinge 51) of the door 50 is set at a position shifted inward in the width direction from the corner of the frame 41, and the door 50 is moved from the corner of the frame 41 in the width direction. Even if the door is opened at a position shifted inward, not only the handrail rope 71 disposed on the free end side of the door 50 but also the handrail rope 71 disposed on the fixed end side of the door 50. It is arranged not at a position away from the scaffold board 70 but at a position close to the scaffold board 70. Therefore, according to the emergency exit device 4 according to the present embodiment, the handrail ropes 71, 71 can be arranged at appropriate positions along the scaffold board 70. The width of the scaffold board 70 is the same as the width of the emergency exit 40, and the shift amount of the rotation center 51 of the door 50 (distance from the corner of the frame 41 to the rotation center 51 of the door 50) is 50 mm or more, or 70 mm. or 100 mm or more.

Further, according to the emergency exit device 4 according to the present embodiment, the second locking portion 52 is provided at one end 50a of the door 50, that is, near the rotation center 51 of the door 50. As a result, even if a large tension is generated in the handrail rope 71 due to a passenger walking across the scaffold board 70 applying a large load to the handrail rope 71, and this tension acts on the second locking part 52, the door 50 Since the rotational moment of is small, the force to close the door 50 does not become large. Therefore, according to the emergency exit device 4 according to the present embodiment, it is possible to suitably prevent the door 50 from being closed inadvertently during rescue work.

Further, according to the emergency exit device 4 according to the present embodiment, as shown in FIG. The closer it gets, the wider it becomes, so the inner edge of the part on which the end 71a of the handrail rope 71 is hung is inclined at an obtuse angle with respect to the tension direction of the handrail rope 71. When tension is generated in the handrail rope 71, the end 71a of the handrail rope 71 moves to the position closest to the vertical plane S and is maintained at this position. As a result, even if tension acts on the second locking portion 52, the rotational moment of the door 50 is small, so the force to close the door 50 does not increase. Therefore, according to the emergency exit device 4 according to the present embodiment, it is possible to suitably prevent the door 50 from being closed inadvertently during rescue work.

Further, according to the emergency exit device 4 according to the present embodiment, the door stay 60 and the door stopper resist the force of closing the door 50 generated when the tension of the handrail rope 71 acts on the second locking portion 52. 62. Therefore, according to the emergency exit device 4 according to the present embodiment, it is possible to suitably prevent the door 50 from being closed inadvertently during rescue work.

Note that the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention.

In the above embodiment, a handrail rope 71 is used as the handrail. However, the present invention is not limited thereto. The handrail may take other forms, such as a bar with terminal engagement portions at each end.

Further, in the embodiment described above, the second locking portion 52 is provided at one end 50a of the door 50 and on the outer surface side of the door 50. However, the present invention is not limited thereto. The second locking portion may be provided on an end surface of one end of the door. Alternatively, if the force to close the door generated by the tension of the handrail acting on the second locking part is not a problem, the second locking part should be located at a location different from one end of the door. It may also be provided at a location away from the center of rotation of the door.

Further, in the embodiment described above, the first locking portion 45 is provided on the vertical frame 42 of the frame 41. However, the present invention is not limited thereto. The first locking portion may be provided slightly outward from the vertical frame. The vertical edge of an emergency exit is a concept that includes such locations.

Further, in the embodiment described above, the rotation center 51 of the door 50 is set at a position shifted inward in the width direction from the corner of the frame 41. However, the present invention is not limited thereto. The center of rotation of the door may be set near a corner of the frame.

Further, in the embodiment described above, the second locking portion 52 includes the ring 55. However, the present invention is not limited thereto. The second locking portion may be a hole similarly to the first locking portion. Alternatively, the second locking portion may be in other forms, such as a bar.

Further, in the embodiment described above, the end portion 71a of the handrail rope 71 is a terminal engaging portion such as a hook with a retaining device or a carabiner. However, the present invention is not limited thereto. The end of the handrail may have other forms.

Further, in the above embodiment, the first locking portion 45 and the second locking portion 52 are provided at two locations, one above and the other. However, the present invention is not limited thereto. The number of locking portions may be one or three or more.

Further, in the embodiment described above, both the door stay 60 and the door stopper 62 are used. However, the present invention is not limited thereto. It may be either a door stay or a door stopper. Alternatively, neither may be used.

Further, in the above embodiment, there are two cars 3, and one emergency exit device 4 is provided for each car 3. However, the present invention is not limited thereto. There may be three or more cars, and in this case, the cars in between, where cars are placed on both sides, may be provided with emergency exit devices on the left and right side walls, respectively.

Further, in the embodiment described above, the emergency exit device 4 is provided on the side wall 34 of the car 3. However, the present invention is not limited thereto. The emergency exit device may be provided on the rear wall of the car.

1... Elevator, 2... Hoistway, 3... Car, 3A... Rescue car, 3B... Malfunctioning car, 30... Car room, 31... Floor, 32... Wall, 33... Front wall, 34... Side wall, 35... Rear wall, 36... Entrance/exit, 37... Door, 38... Handrail, 4... Emergency exit device, 40... Emergency exit, 41... Frame, 42... Vertical frame, 43... Upper frame, 44... Lower frame, 45... First locking part (locking part), 46...Long hole (hole), 47...Round hole (hole), 48...Flap, 50...Door, 50a...One side end, 50b...Other side end, 51...Hinge (rotation center), 52 ...Second locking part (locking part), 53...Bracket, 54...Holder, 55...Ring, 56...Lock mechanism part, 56A...Upper lock mechanism part, 56B...Lower lock mechanism part, 57...Lock release operation part , 58... opening hole, 60... door stay, 61... link mechanism, 62... door stopper, 63... base, 64... movable base, 65... leg, 70... scaffold board, 71... handrail rope, 71a... end (terminal) (engaging part)

Claims (6)

An emergency exit formed in the wall that constitutes the car room,
An inward-opening door that can be rotatably attached to an emergency exit frame with one end as a fixed end and the other end as a free end;
In order to arrange the handrails on both sides of the scaffolding board attached to the lower edge of the emergency exit during rescue work, the handrail is provided with a locking part that locks the end of each handrail,
A first locking portion that locks the end of the handrail located on the free end side of the door among the handrails on both sides is provided at the vertical edge of the emergency exit,
The second locking part that locks the end of the handrail located on the fixed end side of the door among the handrails on both sides is provided on the door of the elevator car. The elevator car according to claim 1, wherein the second locking portion is provided at one end of the door. The elevator car according to claim 1, wherein the center of rotation of the door is set at a position shifted inward in the width direction from a corner of the frame. The end of the handrail is hook-shaped,
The elevator car according to claim 1, wherein the second locking portion comprises a ring or a hole on which an end of the handrail is hung. The elevator car according to claim 1, further comprising at least one of a door stay or a door stopper that resists a force to close the door caused by the tension of the handrail acting on the second locking portion. An elevator comprising the car according to any one of claims 1 to 5.

Images