JPH08143256A - Elevator - Google Patents

Abstract

PURPOSE: To provide such an elevator that opens/closes a door smoothly by eliminating a threshold groove on the upper face of the threshold. CONSTITUTION: Roller door shoes 20 are arranged in the bottom of a high speed car door 10 so that their rollers are stored in a car-side threshold groove provided in the bottom face of the car threshold 18. A car-side interlock roller guide groove 27 having roller stop plates 28 at its both ends is provided in a low speed car door 11. A car-side roller door interlock device 23 is provided in the high-speed car door 10 so that the car side interlock roller 26 is stored in the car-side interlock roller guide groove 27. A car-side fixed roller guide groove 29 is provided in the bottom end of the low-speed car door 11 and a car-side fixed roller 30 is provided on the upper face of the car threshold 18 so as to be stored in the car-side fixed roller guide groove 29.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION This invention relates to elevators,
Particularly, it relates to a car and a hall door mechanism.

[0002]

2. Description of the Related Art FIG. 7 is a perspective view showing a car door of a conventional elevator, and FIG. 8 is a side sectional view showing a car door of the conventional elevator. In the figure, 1 is a rectangular car door having a rectangular cross section by bending a steel plate, 2 is a car door 1
The door hanger attached to the upper edge of the 3 and the door hanger 2
, Which are rotatably mounted around a horizontal axis, and 4 are car side door rails extending in the opening and closing direction of the car door 1 at the top of the car doorway. The car door 1 is a car hanger 2 with the car side door rail 4 It is hung on the side door rail 4, and the hanger roller 3 is on the car side door rail 4.
It smoothly opens and closes along the car-side door rail 4 while rotating up. 5 is a car sill extending in the opening / closing direction of the car door 1 on the tip side of the car floor 6, 7 is a sill groove dug in the opening / closing direction of the car door 1 on the upper surface side of the car sill 5, 8 is a sill groove 7 It is a door shoe attached to the lower end of the car door 1 so as to be engaged therein. Here, although not shown, the hall side has the same configuration as the car side. A car-side engaging device (not shown) is attached to the car door 1, a landing-side engaging device (not shown) is attached to the hall door, and a door opening / closing mechanism (not shown) is attached to the car side. No) is installed.

Next, the operation of the above conventional elevator will be described. When the door opening / closing mechanism installed on the car side operates, a door opening / closing force acts on the car door 1. Therefore, the door opening / closing force causes the hanger roller 3 to move while rotating on the car-side door rail 4, so that the car door 1 moves.
The car entrance is opened and closed. When the car door 1 is moved, the door shoe 8 moves in the sill groove 7 of the car sill 5, and swinging of the lower end side of the car door 1 suspended by the car side door rail 4 is prevented. Here, when the car lands, the car side engagement device engages with the landing side engagement device.
Then, the door opening / closing force acting on the car door 1 is transmitted to the landing door (not shown) via the car side and the landing side engaging devices, and the landing door is opened / closed in conjunction with the opening / closing operation of the car door 1. Will be done.

FIG. 9 is a front view showing a car door of another conventional elevator, and FIG. 10 is a side sectional view showing a car door of another conventional elevator. In the figure, 10 and 11 are a high-speed car door and a low-speed car door, respectively, and a high-speed car door 10 and a low-speed car door 11 are long quadrangles each having a rectangular cross section by bending a steel plate like the car door 1 described above. The door hangers 2 and 2 are attached to the upper edges of the respective doors, and the door shoes 8 and 8 are attached to the lower ends thereof.
Is attached. Reference numeral 12 is a pair of sill grooves dug in two rows on the upper surface side of the car sill 5 in the opening / closing direction of the car door, and 13 is a car side wall. The high-speed car door 10 and the low-speed car door 11 are provided with the door hangers 2 and 2 on a pair of car-side door rails 4 and 4 extending in two rows in the opening / closing direction of the car door at the top of the car doorway, respectively. Door rail 4,
4, and the respective door shoes 8, 8 are engaged in the pair of sill grooves 12, 12, respectively. Here, although not shown, the hall side has the same configuration as the car side. Then, a car-side engaging device (not shown) is attached to the high-speed car door 10, a hall-side engaging device (not shown) is attached to the high-speed hall door, and a door opening / closing mechanism ( (Not shown) is installed.

Next, the operation of the other conventional elevator will be described. When the door opening / closing mechanism installed on the car side operates, the door opening force acts on the high-speed car door 10. Therefore, this door opening force causes the hanger roller 3 to move while rotating on the car-side door rail 4, and the high-speed car door 10 is guided and moved by the car-side door rail 4 in the direction of opening the car doorway. When the high-speed car door 10 moves by a predetermined amount, the high-speed car door 11 is engaged with the low-speed car door 11, and from this time point, the low-speed car door 11 moves in conjunction with the movement of the high-speed car door 10 to open the car doorway. Further, when the door closing force acts on the high-speed car door 10, the high-speed car door 10 is guided by the car side door rail 4 and moves in the direction of closing the car doorway by the door closing force. When the high speed car door 10 moves by a predetermined amount, the low speed car door 1
1, the high-speed car door 10 and the low-speed car door 11 move in conjunction with each other from this point, and the car door is closed.
During the movement of the high speed and low speed car doors 10 and 11, the door shoes 8 and 8 are provided with a pair of sill grooves 12 and 12 of the car sill 5.
The lower ends of the high-speed and low-speed car doors 10 and 11 which are respectively moved inside and suspended on the car-side door rails 4 and 4 are prevented from swinging. Here, when the car lands, the car side engagement device engages with the landing side engagement device. And fast car door 1
The door opening / closing force acting on 0 is transmitted to a high-speed landing door (not shown) via the car-side and landing-side engaging devices, and is linked to the opening / closing operation of the high-speed and low-speed car doors 10 and 11 to operate at high speed and low speed. The landing door will open and close.

[0006]

As described above, in the conventional elevator, door shoes are attached to the car doors and the lower ends of the landing doors that are hung on the car-side and landing-side door rails, respectively, and the car sill and the landing sill are installed. A sill groove for guiding the door shoe is provided on the upper surface side to prevent swinging on the lower end side during the opening / closing operation of the car door and the hall door. Therefore, there is a problem that foreign matter such as stones, sand, and dust easily enters the sill groove and the door shoe obstructs the opening / closing operation of the door by catching the foreign matter entering the sill groove.

The present invention has been made to solve the above problems, and eliminates the sill groove on the upper surface of the sill,
The purpose is to obtain an elevator that can open and close the door smoothly.

[0008]

An elevator according to a first aspect of the present invention is a car door suspended from a car side door rail, and a car door suspended from a landing side door rail that opens and closes in conjunction with the opening and closing operation of the car door. An operating landing door, a car sill with a car-side sill groove extending in the opening and closing direction of the car door on the lower surface, a landing sill with a landing-side sill groove extending in the opening and closing direction of the landing door on the lower surface, and a support arm. And a roller attached to one end side of the support arm for rotation about a vertical axis, and the rollers are housed in the car-side sill groove and the landing-side sill groove, respectively. It is provided with a roller type door shoe attached to each lower side.

The elevator according to the second aspect of the present invention includes a plurality of car-side door rails installed in parallel,
High-speed car doors hung on the car-side door rails that are located on the outermost sides of multiple car-side door rails, and high-speed car doors that are hung on the other car-side door rails of multiple car-side door rails to open and close in conjunction with the opening / closing operation of the high-speed car door At least one low speed car door that operates and a plurality of landing side door rails installed in parallel;
A high-speed landing door that is hung on the outermost door rail of the landing side door rails and that opens and closes in conjunction with the opening and closing operation of the high-speed car door, and also hangs on other landing side door rails of the landing side door rails. At least one low-speed landing door that opens and closes in conjunction with the opening and closing operation of the high-speed landing door, a car sill with a car-side sill groove that extends in the opening and closing direction of the high-speed car door on the lower surface, and a high-speed landing door on the lower surface. A landing sill in which a landing-side sill groove extending in the opening / closing direction is formed, and a support arm and a roller attached to one end side of the support arm for rotation about a vertical axis, and the roller is in the car-side sill groove and A high-speed car door and a roller-type door shoe attached to the lower side of each high-speed landing door so as to be housed in the landing-side sill groove, respectively.

The elevator according to a third aspect of the present invention is the elevator according to the second aspect of the invention, further comprising a car-side interlocking roller guide groove provided in a lower side of the low-speed car door and extending in an opening / closing direction of the high-speed car door, Car-side interlocking roller guide installed on the inner car door adjacent to the high-speed car door and the low-speed car door, which has a car-side interlocking roller rotatably mounted around the vertical axis on one end side. A car-side roller door interlocking device attached to an adjacent outer car door so that the car-side interlocking roller is housed in the groove, and a car-side interlocking roller provided at both ends of the car-side interlocking roller guide groove. A car-side interlocking roller stopping device that stops the movement of the car-side interlocking roller that contacts the car-side interlocking roller that moves in the guide groove, and a hall that extends in the opening and closing direction of the high-speed hall door provided at the lower side of the low-speed hall door. ~ side It has a moving roller guide groove and a hall-side interlocking roller that is rotatably mounted on one end side around a vertical axis, and is installed on the inner hall door adjacent to the high-speed hall door and the low-speed hall door that are suspended in parallel. A landing-side roller-type door interlocking device attached to an outer car door adjacent to the landing-side interlocking roller guide groove so that the landing-side interlocking roller is accommodated, and provided at both ends of the landing-side interlocking roller guide groove. And a landing side interlocking roller stopping device that stops the movement of the landing side interlocking roller by contacting the landing side interlocking roller moving in the landing side interlocking roller guide groove.

The elevator according to a fourth aspect of the present invention is the elevator according to any one of the second and third aspects of the invention, wherein the low speed car door is provided at the lower end thereof in the opening / closing direction. Fixed car-side fixed roller guide groove, car-side fixed roller that is rotatably mounted on the upper surface of the car sill about the vertical axis and housed in the car-side fixed roller guide groove, and low speed provided at the lower end of the low-speed landing door. It is provided with a landing side fixed roller guide groove extending in the opening and closing direction of the landing door, and a landing side fixed roller mounted on the upper surface of the landing sill rotatably around a vertical axis and housed in the landing side fixed roller guide groove. is there.

[0012]

In the first aspect of the present invention, when the door opening / closing force acts on the car door, the car door is guided by the car side door rail and moves. Then, the rollers of the roller type door shoes attached to the lower side of the car door are guided by the car side sill groove formed on the lower surface of the car sill along with the movement of the car door to move, and the rollers on the lower side of the car door in the opening / closing operation are moved. Runout is prevented. On the other hand, the hall door is guided by the hall door rail to move in conjunction with the movement of the car door. Then, the rollers of the roller-type door shoe attached to the lower side of the hall door are guided and moved to the hall-side sill groove formed on the lower surface of the hall sill along with the movement of the hall door. Runout is prevented. At this time, since the car-side sill groove and the landing-side sill groove that guide the rollers of the roller-type door shoe are formed only on the bottom surface of the car sill and the landing sill, foreign matter does not enter the sill groove and the car door And the opening and closing operation of the hall door is performed smoothly.

In the second invention of the present invention,
When the door opening / closing force acts on the high-speed car door, the high-speed car door is guided and moved by the car-side door rail. Then, the rollers of the roller-type door shoe attached to the lower side of the high-speed car door move along with the movement of the high-speed car door while being guided by the car-side sill groove formed on the lower surface of the car sill, and moving the high-speed car door during the opening and closing operation. Shaking on the lower side is prevented. On the other hand, in conjunction with the movement of the high-speed car door, the high-speed hall door is moved by being guided by the hall-side door rail. Then, the rollers of the roller-type door shoe attached to the lower side of the high-speed landing door move along with the movement of the high-speed landing door while being guided by the landing-side sill groove formed on the lower surface of the landing sill, and moving the high-speed landing door in the opening / closing operation. Shaking on the lower side is prevented. At this time, since the car-side sill groove and the landing-side sill groove that guide the rollers of the roller-type door shoe are formed only on the lower surface of the car sill and the landing sill, foreign matter does not enter the sill groove and the high-speed car Doors and high-speed landing doors can be opened and closed smoothly.

According to the third aspect of the present invention,
The car side interlocking roller of the car side roller type door interlocking device attached to the high speed car door is guided by the car side interlocking roller guide groove provided on the low speed car door adjacent to the high speed car door as the high speed car door moves. Moving. When the high-speed car door moves for a predetermined distance, the car-side interlocking roller comes into contact with the car-side interlocking roller stop device. Therefore, when the high-speed car door moves further, the moving force of the high-speed car door is transmitted to the low-speed car door through the car-side interlocking roller and the car-side interlocking roller stop device, and the low-speed car door is interlocked with the movement of the high-speed car door. And move. Further, when the low speed car door is provided adjacent to the low speed car door, the inner low speed car door moves in the same manner as the outer low speed car door moves. Furthermore, even for high-speed and low-speed landing doors,
Similarly, the inside hall door moves in conjunction with the movement of the outside hall door.

In the fourth invention of the present invention,
The low-speed car door is guided and moved by the car-side fixed roller while the car-side fixed roller guide groove provided on the lower surface of the low-speed car door and the car-side fixed roller mounted on the upper surface of the car sill engage with each other. Therefore, when the low-speed car door is guided by the car-side door rail to move, the lower side of the low-speed car door is prevented from swinging. On the other hand, the same applies to the low-speed landing door.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a partially cutaway front view showing the vicinity of a car door of an elevator according to an embodiment of the present invention. In the figure, the same or corresponding parts as those of the conventional elevator shown in FIGS. However, the description is omitted.

In the figure, reference numeral 18 denotes a car sill extending on the front end side of the car floor 6 in the opening / closing direction of the car door. On the lower surface side of the car sill 18, a car side sill is provided along the opening / closing direction of the car door. The groove 19 is dug. Reference numeral 20 denotes a roller-type door shoe attached to the lower portion of the rear surface side (landing door side) of the high-speed car door 10. The roller-type door shoe 20 includes a support arm 21 and one end of the support arm 21, as shown in FIG. When the other end of the support arm 21 is attached to the high-speed car door 10, the roller 22 is attached to the car 22 as shown in FIG. It is adapted to be accommodated in the threshold groove 19. 23
Is a car side roller type door interlocking device attached to the lower end surface of the high speed car door 10 in the car door closing direction, and this car side roller type door interlocking device 23, as shown in FIG. A support arm 25 extending from the mounting plate 24,
The support arm 25 is composed of a car side interlocking roller 26 rotatably mounted around a vertical axis. Reference numeral 27 denotes a car-side interlocking roller guide groove having a U-shaped cross section. The car-side interlocking roller guide groove 27 is provided with the opening side facing downward, and the car door is opened / closed on the lower surface of the low-speed car door 11 (landing door side). The cage-side interlocking roller 26 is housed in the groove as shown in FIG. 28 are provided at both ends of the car-side interlocking roller guide groove 27, respectively.
6 is a roller stop plate serving as a car-side interlocking roller stop device for preventing the removal of 6; Reference numeral 29 denotes a cage-side fixed roller guide groove having a U-shaped cross section.
Is extended toward the lower end of the low-speed car door 11 with the opening side facing downward in the opening / closing direction of the car door. Reference numeral 30 denotes a car-side fixed roller that is rotatably attached to the upper surface of the car sill 18 about a vertical axis. As shown in FIG. 5, the car-side fixed roller is used when the low-speed car door 11 is opened and closed. It is housed in the car side fixed roller guide groove 29 and guides the lower end side of the low speed car door 11.

FIG. 6 is a plan view showing the periphery of the elevator door according to the embodiment of the present invention. In the figure, 31 is a three-sided frame of a car room, 32 is a hall sill, and this hall sill 3
Although not shown in FIG. 2, a landing-side sill groove is dug in the lower surface of the car sill 18 along the opening / closing direction of the landing door, similarly to the car sill 18. 33 is a high speed landing door, and this high speed landing door 33 is hung on the landing side door rail like the high speed car door 10.
A roller-type door shoe 20 is attached to a lower portion of the rear surface side (the side of the high-speed car door 10) of the roller 22 so that the roller 22 is accommodated in the hall-side sill groove of the hall sill 32. Further, a landing side roller type door interlocking device 35 having the same structure as the car side roller type door interlocking device 23 is attached to a lower end surface of the high speed landing door 33 in the landing door closing direction. Reference numeral 34 is a low-speed landing door, and although not shown, the low-speed landing door 34 is suspended on the landing side door rail like the low-speed car door 11, and the back side (low-speed car door 11 side) is linked to the landing side. A landing side interlocking roller guide groove (not shown) configured similarly to the car side interlocking roller guide groove 27 so that the roller 36 is housed in the groove extends in the opening / closing direction of the hall door with the opening side facing downward. Has been done. Further, at the lower end of the low-speed landing door 34, although not shown, a landing-side fixed roller 37 rotatably attached to the upper surface of the landing sill 32 about a vertical axis.
Cage-side fixed roller guide groove 29 so that
A landing side fixed roller guide groove (not shown) configured in the same manner as the above is extended in the opening / closing direction of the landing door with the opening side facing downward. A car-side engaging device (not shown) is attached to the high-speed car door 10, and a hall-side engaging device (not shown) is installed to the high-speed hall door 33. Further, a door opening / closing mechanism is provided on the car side. (Not shown) is installed.

Next, the operation of this embodiment will be described. When the door opening / closing mechanism installed on the car side operates, the door opening force acts on the high-speed car door 10. Therefore, this door opening force causes the hanger roller 3 to move while rotating on the car-side door rail 4, and the high-speed car door 10 is guided and moved by the car-side door rail 4 in the direction of opening the car doorway. At this time, the roller 22 of the roller-type door shoe 20 attached to the lower portion of the rear side of the high-speed car door 10 is guided and moved by the car-side sill groove 19 provided on the lower surface of the car sill 18.
Further, the car side interlocking roller 26 of the car side roller type door interlocking device 23 attached to the lower end surface of the high speed car door 10 is guided by the car side interlocking roller guide groove 27 to move. When the car-side interlocking roller 26 comes into contact with the roller stop plate 28 on one side of the car-side interlocking roller guide groove 27, the door opening force of the high-speed car door 10 passes through the car-side interlocking roller 26 and the roller stop plate 28. The low-speed car door 11 is transmitted to the low-speed car door 11. From this point, the low-speed car door 11 moves in association with the movement of the high-speed car door 10 to open the car door. At this time, the car-side fixed roller guide groove 2 provided at the lower end of the low-speed car door 11
The low speed car door 11 moves while the car 9 and the car side fixed roller 30 provided on the upper surface of the car sill 18 are engaged. Further, when the door closing force acts on the high-speed car door 10, the high-speed car door 10 is guided by the car side door rail 4 and moves in the direction of closing the car doorway by the door closing force. At this time, the car-side interlocking roller 26 of the car-side roller-type door interlocking device 23 attached to the lower end surface of the high-speed car door 10 is guided by the car-side interlocking roller guide groove 27 to move. Then, when the car-side interlocking roller 26 comes into contact with the roller stop plate 28 on the other side of the car-side interlocking roller guide groove 27, the door closing force of the high-speed car door 10 passes through the car-side interlocking roller 26 and the roller stop plate 28. The low-speed car door 11 is transmitted, and from this point, the low-speed car door 11 moves in conjunction with the movement of the high-speed car door 10, and the car door is closed.

When the car lands on the floor, the car side engagement device engages with the hall side engagement device. And fast car door 1
The door opening / closing force acting on 0 is transmitted to the high-speed landing door 33 through the car-side and landing-side engaging devices, and is linked to the opening / closing operations of the high-speed and low-speed car doors 10 and 11, and the high-speed and low-speed landing door 33, 34 will be opened and closed. The opening / closing operation of the high speed hall door 33 and the low speed hall door 34 is the same as the opening / closing operation of the high speed car door 10 and the low speed car door 11 described above, and therefore the description thereof is omitted here.

As described above, according to this embodiment, the car-side sill groove 19 and the landing-side sill groove are provided on the lower surfaces of the car sill 18 and the landing sill 32, respectively, and the roller 22 of the roller type door shoe 20 is provided with the car-side sill groove. Since the roller type door shoes 20 are attached to the lower portions of the high-speed car door 10 and the high-speed landing door 33 so as to be housed in 19 and the landing-side sill, respectively, they are hung on the car-side door rail 4 and the landing-side door rail. The lower ends of the high-speed car door 10 and the high-speed landing door 33 can be prevented from swinging, and no foreign matter is mixed into the car-side sill groove 19 and the landing-side sill groove. It is possible to prevent foreign matter mixed in the sill grooves 7 and 12 from being bitten to stop the opening / closing operation of the door, which is stable and
You can get an elevator that can open and close the door smoothly. Further, a car-side interlocking roller guide groove 27 and a landing-side interlocking roller guide groove are provided on the lower sides of the low-speed car door 11 and the low-speed landing door 34, respectively, and the car-side interlocking roller 26 and the landing-side interlocking roller 36 are guided to the car-side interlocking roller guide. The car side roller type door interlocking device 23 and the hall side roller type interlocking device 35 are attached to the end faces of the high speed car door 10 and the high speed landing door 33 in the door closing direction so as to be housed in the groove 27 and the hall side interlocking roller guide groove, respectively. Further, since the roller stop plates 28 are provided at both ends of the car-side interlocking roller guide groove 27 and the landing-side interlocking roller guide groove, the door opening / closing force of the high-speed car door 10 and the high-speed landing door 33 is increased by the car-side interlocking roller 2.
6, transmitted to the low-speed car door 11 and the low-speed landing door 34 via the hall-side interlocking roller 36 and the roller stop plate 28,
You can get an elevator with a double door and a single door. In addition, on the upper surface of the car sill 18 and the hall sill 32, the car-side fixed roller 3 is attached.
0 and the landing side fixed roller 37 are attached, and the car side fixed roller 3 is attached to the lower ends of the low speed car door 11 and the low speed landing door 34.
0 and the landing side fixed roller 37 are respectively provided with the car side fixed roller guide groove 29 and the hall side fixed roller guide groove, so that the low speed car door suspended on the car side door rail 4 and the landing side door rail is provided. 11 and the lower end of the low speed landing door 34 can be prevented from swinging,
Two pieces that can prevent the door shoe 8 generated in the conventional elevator from stopping the opening / closing operation of the door by catching the foreign matter mixed in the threshold grooves 7 and 12, and stably and smoothly opening and closing the door. You will get an elevator with a single door open.

In the above embodiment, the present invention is applied to a two-door single-sided elevator equipped with high-speed and low-speed doors, but the present invention is also applicable to a single-door elevator. The effect is obtained. In this case, in the conventional elevator shown in FIG. 7 and FIG. 8, a cage sill and a hall sill with a sill groove dug in the lower surface are used instead of the cage sill 5 and the hall sill with a sill groove dug in the upper surface, The roller type door shoes 20 may be attached to the lower portions of the car door 1 and the landing door so that the rollers 22 are accommodated in the respective sill grooves of the car sill and the landing sill.

Further, the present invention has two car doors and two car doors.
The same effect can be obtained by applying the invention to a double door elevator having two doors. In this case, use a car sill and a landing sill with a sill ditch on the lower surface, and use the roller 2
The roller type door shoes 20 may be attached to the lower portions of the two car doors and the landing doors so that the two can be accommodated in the respective sill grooves of the car sill and the landing sill.

In the above embodiment, the car door is composed of the high speed car door 10 and the low speed car door 11, and the hall door is composed of the high speed hall door 33 and the low speed hall door 34. However, the same effect can be obtained by applying it to an elevator with additional low-speed car doors and low-speed landing doors. In this case, the car side roller type door interlocking device 23 is attached to the adjacent low speed car door on the outside (hall side door), and the car side interlocking roller groove 27 is attached to the inner low speed car door.
If a car-side fixed roller guide groove 29 is provided at the lower end of each low-speed car door, and a car-side fixed roller 30 is installed on the upper surface of the car sill 18 so as to be housed in each car-side fixed roller guide groove 29. Good. Then, the same may be applied to the low speed landing door. Similarly, the present invention is
The same effect can be obtained even when applied to a double-sided elevator equipped with a high speed door and a low speed door.

[0025]

Since the present invention is constituted as described above, it has the following effects.

According to the first aspect of the present invention, the car door hung on the car side door rail, the hall door hung on the hall side door rail to open / close in conjunction with the opening / closing operation of the car door, and the lower surface A car sill having a car-side sill groove extending in the opening / closing direction of the car door, a landing sill having a landing-side sill groove extending in the opening / closing direction of the landing door on the lower surface, a supporting arm, and one end side of the supporting arm Has a roller rotatably mounted around a vertical axis and is mounted on the lower side of each of the car door and the landing door so that the roller is housed in the car-side sill groove and the landing-side sill groove, respectively. Since it is equipped with a roller type door shoe, the roller does not interfere with the opening and closing operation of the door by catching foreign matter mixed in the threshold groove,
An elevator that can smoothly and reliably open and close the door can be obtained.

According to the second aspect of the present invention, a plurality of car-side door rails installed in parallel and a high-speed car door suspended from the car-side door rails located on the outermost side of the plurality of car-side door rails. And at least one low-speed car door that is hung on the other car-side door rail of the plurality of car-side door rails and that opens and closes in conjunction with the opening and closing operation of the high-speed car door, and a plurality of landing-side door rails that are installed in parallel, A high-speed landing door that is hung on the outermost door rail of the landing side door rails and that opens and closes in conjunction with the opening and closing operation of the high-speed car door, and also hangs on other landing side door rails of the landing side door rails. At least one low-speed landing door that opens and closes in conjunction with the opening and closing operation of the high-speed landing door, a car sill with a car-side sill groove that extends in the opening and closing direction of the high-speed car door on the lower surface, and a A landing sill in which a landing-side sill groove extending in the opening / closing direction of the landing door is formed, and a support arm and a roller attached to one end side of the support arm for rotation about a vertical axis, and the roller is a car-side sill. Since there are roller type door shoes attached to the lower side of each of the high-speed car door and the high-speed landing door so that they can be housed in the groove and the landing-side sill, respectively, the rollers can remove foreign matter mixed in the sill groove. Without biting and hindering the opening and closing operation of the door,
An elevator that can smoothly and reliably open and close the high-speed door and the low-speed door can be obtained.

According to a third aspect of the present invention, in the second aspect of the present invention, a car-side interlocking roller guide groove provided in a lower side of the low-speed car door and extending in the opening / closing direction of the high-speed car door, and one end Car side interlocking roller guide groove provided on the inner car door adjacent to the high-speed car door and the low-speed car door, which has the car-side interlocking roller mounted rotatably around the vertical axis on the side A car-side roller-type door interlocking device attached to an outer car door adjacent to the car-side interlocking roller so that the car-side interlocking roller is housed therein, and car-side interlocking roller guides provided at both ends of the car-side interlocking roller guide groove. A car-side interlocking roller stopping device that stops the movement of the car-side interlocking roller that comes into contact with the car-side interlocking roller that moves in the groove, and a landing side that extends in the opening / closing direction of the high-speed landing door provided at the lower side of the low-speed landing door Interlocking roller A landing provided on an inner landing door adjacent to a high-speed landing door and a low-speed landing door that have an inner groove and a landing-side interlocking roller rotatably attached to one end side around a vertical axis. The landing side roller type door interlocking device attached to the outer car door adjacent to the landing side interlocking roller guide groove so that the landing side interlocking roller is housed, and the landing side interlocking roller guide grooves provided at both ends. Landing side interlocking roller Since it is equipped with a landing side interlocking roller stop device that contacts the landing side interlocking roller that moves in the guide groove to stop the movement of the landing side interlocking roller, the low speed door is interlocked with the opening and closing operation of the high speed door. Thus, an elevator that can be opened and closed reliably can be obtained.

According to a fourth aspect of the present invention, in any one of the second aspect and the third aspect of the invention described above, it extends in the opening / closing direction of the low speed car door provided at the lower end of the low speed car door. Car side fixed roller guide groove, car side fixed roller that is rotatably mounted on the upper surface of the car sill about the vertical axis and housed in the car side fixed roller guide groove, and low speed landing provided at the lower end of the low speed landing door Since the landing side fixed roller guide groove extending in the door opening / closing direction and the landing side fixed roller which is rotatably mounted on the upper surface of the landing sill about the vertical axis and is housed in the landing side fixed roller guide groove, It is possible to prevent the lower side of the low-speed door from swinging during the opening / closing operation, and to obtain an elevator in which the door opening / closing operation can be performed smoothly and stably.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing the periphery of a car door of an elevator according to an embodiment of the present invention.

2A and 2B are diagrams illustrating a roller door shoe in an elevator according to an embodiment of the present invention, in which FIG. 2A is a front view thereof and FIG. 2B is a side view thereof.

FIG. 3 is a diagram illustrating a mounting state of a roller door shoe in an elevator according to an embodiment of the present invention.

FIG. 4 is a diagram illustrating a car side roller type door interlocking device in an elevator according to an embodiment of the present invention,
(A) is the front view, (b) is the side view, (c) is the top view.

FIG. 5 is a partially cutaway side view showing a main part of an elevator according to an embodiment of the present invention.

FIG. 6 is a plan view showing the periphery of a door of an elevator according to an embodiment of the present invention.

FIG. 7 is a perspective view showing the vicinity of a car door of a conventional elevator.

FIG. 8 is a side sectional view showing the vicinity of a car door of a conventional elevator.

FIG. 9 is a front view showing the vicinity of a car door of another conventional elevator.

FIG. 10 is a side sectional view showing the surroundings of a car door of another conventional elevator.

[Explanation of symbols]

1 car door, 4 car side door rails, 10 high speed car doors, 11 low speed car doors, 18 car sills, 19 car side sill grooves, 20 roller door shoes, 21 support arms, 2
2 rollers, 23 car side roller type door interlocking device, 26
Car side interlocking roller, 27 car side interlocking roller guide groove,
28 Roller stop plate (car-side interlocking roller stop device), 2
9 car side fixed roller guide groove, 30 car side fixed roller, 32 hall threshold, 33 high speed hall door, 34 low speed hall door, 35 hall side roller type door interlocking device, 36 hall side interlocking roller, 37 hall side fixed roller.

Claims (4)

[Claims] 1. A car door hung on a car side door rail, a hall door hung on a hall side door rail to open and close in conjunction with the opening and closing operation of the car door, and a lower surface in the opening and closing direction of the car door. A car sill having an extended car-side sill groove formed therein, a landing sill having a landing-side sill groove extending in the opening / closing direction of the landing door on the lower surface, and a support arm and one end of the support arm rotated about a vertical axis. Rollers that are rotatably mounted, and that are mounted on the lower side of the car door and the landing door, respectively, so that the rollers are housed in the car-side sill groove and the landing-side sill groove, respectively. An elevator characterized in that it is provided with a door shutter. 2. A plurality of car-side door rails installed in parallel, a high-speed car door suspended from the car-side door rails located on the outermost side of the plurality of car-side door rails, and a plurality of the car-side door rails. At least one low-speed car door that is hung on the car-side door rail and that opens and closes in conjunction with the opening and closing operation of the high-speed car door, a plurality of landing-side door rails that are installed in parallel, and a plurality of landing-side door rails. A high-speed landing door that is hung on an outside landing door rail and that opens and closes in conjunction with the opening and closing operation of the high-speed car door; and a high-speed landing door that is hung on another landing-side door rail of the plurality of landing side door rails. At least one low-speed landing door that opens and closes in conjunction with the opening and closing operation of the car, a car sill having a car-side sill groove formed in the lower surface in the opening and closing direction of the high-speed car door, and the high-side sill on the lower surface. The landing sill in which a landing-side sill groove extending in the opening / closing direction of the speed landing door is formed, and a supporting arm and a roller attached to one end side of the supporting arm for rotation about a vertical axis, the roller being the car. An elevator comprising: a high speed car door and roller type door shoes attached to respective lower sides of the high speed car door so as to be housed in the side sill groove and the hall side sill groove, respectively. 3. A car-side interlocking roller guide groove provided in the lower side of the low-speed car door and extending in the opening / closing direction of the high-speed car door, and a car-side interlocking roller rotatably mounted on one end side about a vertical axis. However, the outside of the car-side interlocking roller adjacent to the car-side interlocking roller guide groove provided on the inner car door adjacent to the high-speed car door and the low-speed car door suspended in parallel is accommodated in the car-side interlocking roller guide groove. A car side roller type door interlocking device attached to a car door, and abutting against the car side interlocking roller provided in both ends of the car side interlocking roller guide groove and moving in the car side interlocking roller guide groove, A car-side interlocking roller stop device that stops the movement of the car-side interlocking rollers, a landing-side interlocking roller guide groove that extends in the opening and closing direction of the high-speed landing door provided at the lower side of the low-speed landing door, and a vertical axis around one end To be rotatable The landing-side interlocking roller has an attached landing-side interlocking roller, and the landing-side interlocking roller is provided in the landing-side interlocking roller guide groove provided on the inner landing door adjacent to the high-speed landing door and the low-speed landing door suspended in parallel. A landing-side roller-type door interlocking device attached to an adjacent outer car door so as to be housed; and the above-mentioned landing-side interlocking roller guide groove that is provided at both ends of the landing-side interlocking roller guide groove. The elevator according to claim 2, further comprising: a hall-side interlocking roller stop device that abuts on the hall-side interlocking roller to stop the movement of the hall-side interlocking roller. 4. A car-side fixed roller guide groove which is provided at the lower end of the low-speed car door and extends in the opening / closing direction of the low-speed car door, and a car-side fixed roller guide which is mounted on the upper surface of the car sill so as to be rotatable around a vertical axis. Fixed rollers on the car side housed in the grooves, fixed roller guide grooves on the lower side of the low-speed hall door that extend in the opening and closing direction of the low-speed hall door, and rotatably mounted on the upper surface of the hall sill about the vertical axis. 4. The elevator according to claim 2, further comprising: a landing-side fixed roller housed in the landing-side fixed roller guide groove.