WO2007072915A1

WO2007072915A1 - Door device for elevator

Info

Publication number: WO2007072915A1
Application number: PCT/JP2006/325513
Authority: WO
Inventors: Yukio Ishii
Original assignee: Toshiba Elevator Kabushiki Kaisha
Priority date: 2005-12-21
Filing date: 2006-12-21
Publication date: 2007-06-28
Also published as: JP2007168963A; JP4861697B2; CN101316783A

Abstract

A door device has a hanger case (4) where a door panel is movably suspended and also has an installation device (5) for installing the hanger case (4) on an installation section provided above an elevator doorway. The installation device (5) has a fixation bracket (18) fixed to the installation section, a movable bracket (20) fixed to the hanger case (4) and rotatably joined to the fixation bracket (18), and an adjustment bolt (adjustment mechanism)(26). The adjustment bolt (26) lies across the movable bracket (20) and the fixation bracket (18). To adjust the tilt of the hanger case relative to the installation section, the movable bracket (20) is turned relative to the fixation bracket (18) by turning the adjustment bolt (26).

Description

Specification

Elevator Door Equipment Technical Field

TECHNICAL FIELD [0001] The present invention relates to an elevator door device that opens and closes an entrance / exit for an elevator hall and a entrance / exit for a passenger.

Background art

An elevator includes a door device that opens and closes an entrance / exit for an elevator hall and a entrance / exit for a passenger car. The door device includes a hanger case, a hanger rail, and a door panel. One hanger case is located at the top of the entrance. The hanger rail is attached horizontally to the hanger case. The door panel is suspended on the hanger rail via a roller. The door panel moves along the hanger rail to close and open the entrance.

[0003] In the case of a door device installed at the entrance / exit of an elevator hall, the hanger case is made of a bracket material having an L-shaped cross section, which is provided on the inner wall of the hoistway on the upper side of the entrance / exit. The hanger rail is attached so that it is horizontal.

Disclosure of the invention

[0004] When the hanger case is attached to the attached portion prepared on the inner wall surface of the hoistway, the hanger case must be adjusted to have the correct angle. The inner wall of the hoistway has dimensional tolerance due to construction. In addition, the bracket material for attaching the hanger case varies in dimensional accuracy due to processing. Therefore, fine adjustment is necessary to absorb these variations.

[0005] Conventionally, when a hanger case is attached to a mounting portion using a bracket material, the hanger case is corrected by inserting an adjusting member such as a shim liner between the bracket material and the mounting portion. The inclination of the hanger case is adjusted so as to be in the posture.

[0006] In the method of inserting individual adjustment members such as shim liners while applying force, multiple types of shim liners with different thicknesses are prepared each time, and between the bracket material and the mounting portion. The shim liner to be inserted must be selected on site. Work for this However, it is cumbersome and time-consuming, and there is a difficulty in reducing efficiency.

[0007] Therefore, the present invention can easily and efficiently tilt the hanger case without separately inserting an adjusting member such as a shim liner when the hanger case provided in the door device of the elevator is attached to the attached portion. Provide a door device that can be adjusted to the correct posture.

[0008] One embodiment of a door device according to the present invention includes a hanger case, a door panel, and an attachment device. The hanger case has a hanger rail. The door panel is suspended movably on the hanger rail via the door hanger. The mounting device attaches the hanger case to the mounted part prepared in the information on the elevator gate. The attachment device includes a fixed bracket, a movable bracket, and an adjustment mechanism. The fixed bracket is fixed to the mounted part. The movable bracket is fixed to the hanger case and is rotatably coupled to the fixed bracket. The adjustment mechanism rotates the movable bracket with respect to the fixed bracket in order to adjust the inclination of the hanger case with respect to the mounted portion.

[0009] In this case, the adjustment mechanism includes an adjustment screw that is screwed into the movable bracket and that has a tip end abutting the fixed bracket. Adjust the inclination of the hanger case by turning the adjustment screw and rotating the movable bracket.

Alternatively, the adjustment mechanism includes an eccentric cam having a cam portion that contacts the movable bracket, and includes an eccentric cam that is rotatably provided on the fixed bracket. The movable bracket is rotated by turning the eccentric cam to adjust the inclination of the hanger case.

[0011] When the attached portion to which the hanger case is attached is provided on the inner wall surface of the elevator hoistway, the door panel suspended on the hanger case closes so that the entrance of the elevator hall can be opened.

[0012] When the attachment portion to which the hanger case is attached is provided on the front surface portion of the elevator board, the door panel suspended on the hanger case closes so as to open the boarding door.

Brief Description of Drawings

FIG. 1 is a front view of an elevator door device according to a first embodiment of the present invention as seen from a hoistway side. FIG. 2 is a plan view showing the periphery of the door device attaching device shown in FIG. 1.

FIG. 3 is a front view of the mounting apparatus shown in FIG. 2.

FIG. 4 is a side view of the mounting device shown in FIG. 2.

FIG. 5A is a perspective view of the attachment device shown in FIG. 2.

FIG. 5B is a perspective view of the mounting device shown in FIG. 5A with the adjustment bolt tightened.

FIG. 6 is a plan view of a mounting device for an elevator door device according to a second embodiment of the present invention.

FIG. 7 is a front view of the mounting apparatus shown in FIG.

FIG. 8 is a side view of the mounting device shown in FIG.

FIG. 9 is a front view of an elevator door device according to a third embodiment of the present invention.

FIG. 10 is a plan view of the door device attaching device shown in FIG. 9.

FIG. 11 is a plan view of an essential part of an elevator door device according to a fourth embodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiments according to the present invention will be described below with reference to the drawings.

A door device according to a first embodiment of the present invention is shown in FIGS. 1 to 5B. Figure 1 shows a front view of the door device installed at the entrance / exit 2 of the elevator platform as viewed from the side of the hoistway 1 side. Exit 2 communicates with the elevator hall and hoistway 1 on each floor of the building. The door device includes a hanger case 4, a door panel 10, and a mounting device 5. The attached portion for attaching the hanger case 4 of the door device is provided on the upper side of the entrance 2 of the inner wall la of the hoistway 1. The hanger case 4 is horizontally attached to the attachment portion via a pair of attachment devices 5.

As shown in FIG. 4, the hanger case 4 has a horizontal plate 4a and a vertical plate 4b, and the cross section is formed in an inverted L shape. As shown in FIG. 1, the hanger case 4 has a hanger rail 7 horizontally installed on the inner surface of a vertical plate 4b directed toward the center of the hoistway 1. A pair of door hangers 8 move to the hanger rail 7 via a plurality of rollers 9 Suspended freely. The door panel 10 is integrally attached to the door hanger 8. The door panel 10 opens and closes the entrance 2 by moving along the hanger rail 7 together with the door hanger 8.

The door hanger 8 includes a lock mechanism 13 that locks the door panel 10 when the door panel 10 is closed from both sides, an electric contact mechanism 14 that detects the achievement of the lock, and the like.

[0018] The structure of the attachment device 5 for attaching the hanger case 4 to the inner wall la of the hoistway 1 is shown in Figs. FIG. 2 is a plan view of the mounting device 5 on the left side in FIG. FIG. 3 is a front view of the mounting device 5 shown in FIG. FIG. 4 is a side view of the attachment device 5 shown in FIG. 5A and 5B are perspective views of the mounting device 5 shown in FIG.

[0019] The mounting device 5 includes a fixed bracket 18, a movable bracket 20, and an adjustment mechanism. As shown in FIG. 2, the fixing bracket 18 is an L-shaped metal fitting having a protruding piece 18a that protrudes from the inner wall la of the hoistway 1 at a substantially right angle. The fixing bracket 18 is fastened and fixed to the inner wall la of the hoistway 1 by bolts 17.

As shown in FIG. 3, the movable bracket 20 is an L-shaped metal fitting having an upright piece 20a that stands up at a substantially right angle from the upper surface of the hanger case 4, and is mounted on the upper surface of the horizontal plate 4a of the hanger case 4. Fastened with bolts 19. The upright piece 20a of the movable bracket 20 is also overlapped with the side surface of the protruding piece 18a by the inner force with which the fixed bracket 18 is bent. Bolts 22 are inserted in the overlapping thickness direction between the standing piece 20a of the movable bracket 20 and the protruding piece 18a of the fixed bracket 18.

[0021] Thereby, the protruding piece 18a of the fixed bracket 18 and the standing piece 20a of the movable bracket 20 are coupled to each other, and the movable bracket 20 has the hanger case 4 as the inner wall surface of the hoistway 1 around the bolt 22. It is supported so as to rotate in a direction approaching or moving away from la.

[0022] The upright piece 20a of the movable bracket 20 is formed with an arc-shaped guide hole 23 centered on the bolt 22. A guide bolt 24 passed from the side where the movable bracket 20 is bent into the guide hole 23 provided in the upright piece 20a is screwed into the protruding piece 18a of the fixed bracket 18. It is.

A bent portion 20b is integrally formed along the fixed bracket 18 from the edge of the upright piece 20a of the movable bracket 20 near the inner wall la. An adjustment bolt 26 is screwed toward the fixing bracket 18 in a screw hole provided in the bent portion 20b. The tip of the adjustment bolt 26 is in contact with the fixing bracket 18. In the present embodiment, the bolt 22, the guide hole 32, the bolt 24, the bent portion 20b, and the adjustment bolt 26 constitute an adjustment mechanism.

[0024] The mounting device 5 provided on the left side of the hanger case 4 as seen from the hoistway side is shown in FIGS. 2 to 5! However, as shown in FIG. The mounting device 5 having the same structure is mounted so as to face the left mounting device 5 in a mirror image symmetry. Therefore, the hanger case 4 is installed on the inner wall la of the hoistway 1 by a pair of attachment devices 5.

The hanger case 4 needs to be attached to the inner wall surface la of the hoistway 1 after being adjusted to a correct posture, that is, a posture in which the vertical plate 4b is vertical. Therefore, when the hanger case 4 is attached to the inner wall surface la of the hoistway 1 via the attachment device 5, the posture is adjusted by the following procedure.

First, the bolts 22 and 24 of each mounting device 5 are loosened so that the movable bracket 20 of each mounting device 5 can be rotated with respect to the fixed bracket 18. Next, the state force in FIG. 5A is also moved in the axial direction by turning the adjusting bolt 26 with a tool. The tip of the adjusting bolt 26 is in contact with the fixed bracket 18. Therefore, when the adjustment bolt 26 is moved to the side where the fixed bracket 18 is disposed, the movable bracket 20 is rotated about the bolt 22 and tilted away from the fixed bracket 18 as shown in FIG. Also, when the adjustment bolt 26 is turned in the opposite direction to loosen and moved to the opposite side of the fixed bracket 18, the movable bracket 20 rotates in the opposite direction around the bolt 22 and approaches the fixed bracket 18. Lean in the direction

In this way, by adjusting the amount by which the adjustment bolt 26 is turned, the movable bracket 20 can be turned away from or closer to the inner wall surface la of the ascending / descending path 1. As a result of this operation, the vertical plate 4b of the hanger case 4 attached to the movable bracket 20 is adjusted to a vertical posture. After the hanger case 4 is properly positioned, By tightening the bolts 22 and 24, the movable bracket 20 is fixed to the fixed bracket 18.

[0028] According to the present embodiment, the hanger case 4 can be easily and efficiently adjusted to the correct posture by adjusting the inclination of the tongue case 4 by an extremely simple operation of simply turning the adjustment bolt 26. Can do. That is, the attitude of the hanger case 4 can be easily fine-tuned simply by operating the adjustment bolt 26. In order to adjust the inclination of the hanger case 4, there is no need for troublesome and troublesome work using an adjusting member such as a shim liner.

[0029] An elevator door device according to a second embodiment of the present invention is shown in Figs. Components having the same functions as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. The door device of this embodiment includes a fixed bracket 18, a movable bracket 20, and an adjustment mechanism. The fixed bracket 18 is attached to the inner wall surface la of the hoistway 1. The movable bracket 20 is attached to the upper surface of the horizontal plate 4a of the hanger case 4. The protruding piece 18a of the fixed bracket 18 and the upright piece 20a of the movable bracket 20 are overlapped with each other, and the protruding piece 18a and the upstanding piece 20a are connected by a bolt 22. The movable bracket 20 is supported so as to rotate about the bolt 22.

[0030] An eccentric cam 30 adjacent to the edge of the upright piece 20a of the movable bracket 20 on the side close to the inner wall la of the hoistway 1 is attached to the protruding piece 18a of the fixed bracket 18. The eccentric cam 30 includes a shaft portion 30a screwed into the protruding piece 18a, and a circular cam portion 30b integrally connected to the end portion of the shaft portion 30a. The center of the cam portion 30b is eccentric with respect to the center of the shaft portion 30a. A part of the peripheral surface of the cam portion 30b is in contact with the edge of the upright piece 20a.

[0031] When adjusting the inclination of the hanger case 4, the bolt 22 is loosened so that the movable bracket 20 can be rotated. In this state, turn the eccentric cam 30 using a tool. In the eccentric cam 30, the cam portion 30b is eccentric with respect to the shaft portion 30a. Therefore, when the eccentric force 30 is turned around the shaft portion 30a, the movable bracket 20 in contact with the cam portion 30b and the hanger case 4 attached thereto are centered on the bolt 22 based on the eccentricity of the cam portion 30b. To turn. In the present embodiment, the bolt 22, the guide hole 23, the bolt 24, and the eccentric cam 30 constitute an adjustment mechanism.

[0032] Thus, also in this embodiment, an extremely simple operation of simply rotating the eccentric cam 30 is performed. Depending on the work, the hanger case 4 is adjusted to the correct posture. The posture of the hanger case 4 can be easily fine-tuned simply by operating the eccentric cam 30. Therefore, a troublesome and troublesome work using an adjusting member such as a shim liner to adjust the inclination of the hanger case 4 is unnecessary.

A door device according to a third embodiment of the present invention is shown in FIGS. 9 and 10. The door device shown as the third embodiment is a door device that is attached to the entrance 41 of the rider 40. This door device includes a hanger case 4 similar to the door device attached to the entrance 2 of the elevator hall according to the first and second embodiments. The hanger case 4 has an L-shaped cross section having a horizontal plate 4a and a vertical plate 4b. A hanger rail 7 is installed horizontally on the inner surface of the vertical plate 4b facing the center of the hoistway 1! A pair of door hangers 8 are movably suspended on a hanger rail 7 via a plurality of rollers 9. A door panel 10 is physically attached to each door hanger 8. The door panel 10 moves along the hanger rail 7 together with the door hanger 8 to close or open the entrance 41 of the rider 40.

In the present embodiment, the column 43 is installed on the outside of the loading / unloading port 40 on the side of the entrance / exit 41 where the door panel 10 is opened. The upper end portions of these columns 43 are attached portions of the hanger case 4. Both end portions of the hanger case 4 are attached to the attached portions at the upper end portions of the support columns 43 via the attachment devices 5 and are installed horizontally.

Each attachment device 5 has the same structure as that of the first embodiment, and includes a fixed bracket 18, a movable bracket 20, and an adjustment mechanism. The protruding piece 18 a of the fixed bracket 18 is fixed to the support column 43, and the movable bracket 20 is fixed to the hanger case 4. The movable bracket 20 is coupled to the fixed bracket 18 via a bolt 22 and approaches or separates from the front wall of the carriage 40 on the side on which the door device is provided with the bolt 22 as a center. It is supported so that it can be rotated in the direction in which it moves.

[0036] The movable bracket 20 integrally includes a bent portion 20b facing the fixed bracket 18.

The adjustment bolt 26 is screwed toward the fixing bracket 18 from the bent portion 20b, and the tip of the adjustment bolt 26 is abutted against the fixing bracket 18.

[0037] When the inclination of the hanger case 4 is adjusted, the adjustment bolt is adjusted in the same manner as in the first embodiment. Turn 26. Since the movable bracket 20 rotates around the bolt 22, the inclination of the hanger case 4 changes. In this way, by adjusting the rotation amount of the adjustment bolt 26, the vertical plate 4b of the hanger case 4 can be adjusted to be vertical. After adjusting the hanger case 4 to the correct posture, the movable bracket 20 is fixed to the fixed bracket 18 by tightening the bolts 22 and 24.

[0038] Thus, also in this embodiment, the hanger case 4 can be easily adjusted to the determined correct posture by performing an extremely simple operation of simply turning the adjustment bolt 26. The posture of the hanger case 4 can be easily fine-tuned simply by operating the adjustment bolt 26. In order to adjust the inclination of the hanger case 4, it is troublesome and troublesome to use an adjusting member such as a shim liner, and no work is required.

An elevator door device according to a fourth embodiment of the present invention is shown in FIG. The door device shown in the present embodiment is a door device that is installed on the rider, and the hanger case 4 is attached to the column 43 using the attachment device 5 having the same structure as that of the second embodiment. Other configurations are the same as those of the third embodiment. Configurations having the same function are denoted by the same reference numerals and description thereof is omitted.

[0040] The mounting device 5 includes a fixed bracket 18, a movable bracket 20, and an adjustment mechanism. The fixed bracket 18 is fixed to the column 43. The movable bracket 20 is fixed to the hanger case 4. The movable bracket 20 is coupled to the fixed bracket 18 via a bolt 22 and moves toward or away from the front wall of the riding board on the side where the door device is provided with the bolt 22 as a center. It is supported so that it can rotate in the direction.

[0041] The eccentric cam 30 serving as an adjustment mechanism is attached to the fixed bracket 18 adjacent to the edge of the movable bracket 20 on the front side of the riding rod. The eccentric cam 30 includes a shaft portion 30a screwed into the fixed bracket 18, and a circular cam portion 30b integrally connected to one end portion of the shaft portion 30a. The center of the cam portion 30b is eccentric with respect to the center of the shaft portion 30a. A part of the peripheral surface of the cam portion 30b is in contact with one side edge of the movable bracket 20.

[0042] When adjusting the inclination of the hanger case 4, as in the case of the second embodiment, the bolt 22 is loosened so that the movable bracket 20 is rotatable. In this state, turn the eccentric cam 30 with a tool. In the eccentric cam 30, the cam portion 30b is eccentric with respect to the shaft portion 30a. did Therefore, when the eccentric cam 30 is turned around the shaft portion 30a, the movable bracket 20 in contact with the cam portion 30b and the hanger case 4 attached thereto are rotated around the bolt 22 and tilted. Changes.

As described above, also in this embodiment, the hanger case 4 can be adjusted to the correct posture as designed by an extremely simple operation of simply rotating the eccentric cam 30. The posture of the hanger case 4 can be easily fine-tuned simply by operating the eccentric cam 30. Therefore, a troublesome and troublesome operation using an adjusting member such as a shim liner to adjust the inclination of the hanger case 4 is unnecessary.

[0044] The door device of each embodiment described above is an example of a double door type door device. The two door panels are suspended in the hanger case and move in a direction approaching or separating from each other to close or open the entrance. On the other hand, a single-open door device, a multi-speed single-open door device, a multi-speed double-open door device, or the like may be used. A single-open door device has one door panel that is suspended from a hanger case. The single door panel moves left or right along the hanger rail to open or close the gate. The multi-speed single door type door device has a plurality of door panels suspended on a hanger case. These multiple door panels move at different speeds in the same direction to open and close the gates. A multistage double door system has two sets of door panels that move in the same direction at different speeds. The door panels of one set and the door panels of the other set move symmetrically in opposite directions to close or open the entrance.

Industrial applicability

[0045] The present invention can be applied not only to an elevator door device but also to a sliding door device installed as a door of a building for positioning a hanger rail that suspends a door panel.

Claims

The scope of the claims

[1] a hanger case having a hanger rail;

A door panel that is movably suspended on the hanger rail via a door hanger, and an attachment device that attaches the hanger case to an attachment portion prepared above an elevator entrance and exit,

The mounting device is

A fixing bracket fixed to the attached portion;

A movable bracket fixed to the hanger case and rotatably coupled to the fixed bracket;

An adjustment mechanism for rotating the movable bracket with respect to the fixed bracket to adjust the inclination of the hanger case with respect to the attached portion;

An elevator door device comprising:

[2] The adjustment mechanism includes an adjustment screw that is screwed into the movable bracket and has a tip that abuts against the fixed bracket. The adjustment bracket is turned to rotate the movable bracket, thereby rotating the hanger. The elevator door device according to claim 1, wherein the inclination of the case is adjusted.

[3] The adjustment mechanism includes an eccentric cam that has a cam portion that contacts the movable bracket and is rotatably provided on the fixed bracket, and the movable bracket is moved by rotating the eccentric cam. 2. The elevator door device according to claim 1, wherein the inclination of the hanger case is adjusted by turning.

[4] The attached portion is provided on the inner wall surface of the elevator hoistway,

The elevator door device according to any one of claims 1 to 3, wherein the door panel suspended on the hanger case closes an entrance / exit of an elevator hall so as to be openable.

[5] The attached portion is provided on a front portion of the elevator car,

The elevator door device according to any one of claims 1 to 3, wherein the door panel suspended on the hanger case closes the entrance of the passenger so as to be openable. .