JP2011057337A - Car doorway device of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To efficiently reinforcing a doorway column with a simple structure without decreasing the floor space of a cage or deteriorating design performance. <P>SOLUTION: A mounting bracket 11 is constituted by combining a first mounting piece 12 and a second mounting piece 13. The first and second mounting pieces 12, 13 are fixed to a car platform 3 by a plurality of bolts 14. The first mounting piece 12 has a first platform fixed part 12a and a column fixed part 12b fixed to an inner surface of the lower end of an outer end part 7b. The second mounting piece 13 has a second platform fixed part 13a and a cushioning material receiving part 13b having an L-shaped cross section and opposed to the inner surface of the doorway column 7. A flat cushioning material 15 is provided between the cushioning material receiving part 13b and the inner surface of the doorway column 7. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an elevator car entrance / exit device in which a hollow entrance / exit column is erected on a side portion of a car entrance / exit.

  In the conventional car room entrance / exit column holding metal fittings, the fixing metal fittings are fixed to the car floor by bolts. A semicircular holding plate is provided between the fixing bracket and the inner surface of the upright column. Further, a plurality of springs are arranged radially between the fixture and the holding plate. When an external force is applied to the upright column, the external force is absorbed by the spring contracting, and the upright column is returned to the original position by restoring the spring (see, for example, Patent Document 1).

  Moreover, in the conventional elevator car, the protector made from an elastic body is attached to the outer periphery of the lower end part of an entrance / exit pillar (for example, refer patent document 2, 3).

JP-A-7-277635 Japanese Utility Model Publication No. 6-78376 Japanese Utility Model Publication No. 7-21673

In the conventional reinforcing structure as shown in Patent Document 1, a car room entrance / exit column holding metal fitting having a complicated structure in which springs are radially arranged between the fixing metal fitting and the semicircular holding plate is used. The number of parts is large and the cost is high.
Moreover, in the conventional reinforcement structure as shown by patent document 2, 3, the floor area of a cab is reduced by the space of a protector, and designability falls, when a passenger capacity decreases.

  The present invention has been made to solve the above-described problems, and it is possible to efficiently form an entrance / exit column with a simple structure without reducing the floor area of the cab or reducing the design. It is an object to obtain an elevator car entrance / exit device that can be reinforced.

  The elevator car entrance / exit device according to the present invention is fixed to the hollow entrance / exit pillar standing on the side of the car entrance / exit, the floor fixing part fixed to the car floor, and the inner surface of the lower end part of the entrance / exit pillar. A mounting bracket having a column fixing portion is provided, and the mounting bracket is fixed to the car floor by a plurality of bolts, and the mounting bracket is provided with a buffer material receiving portion facing the inner surface of the entrance / exit column. The buffer material is interposed between the buffer material receiving portion and the inner surface of the entrance / exit column.

  In the elevator car entrance / exit device according to the present invention, the attachment metal is fixed to the inner surface of the entry / exit pillar, so that the floor area of the car room is not reduced and the design is not deteriorated. Since it is fixed to the car floor with multiple bolts, the mounting force is prevented from rotating around the bolt due to the external force applied to the entrance / exit column, and the impact of the external force applied to the entrance / exit column is cushioned. It is relaxed, and therefore the entrance / exit column can be efficiently reinforced with a simple structure.

BRIEF DESCRIPTION OF THE DRAWINGS It is the front view which looked at the elevator car entrance / exit apparatus by Embodiment 1 of this invention from the cage interior. It is a horizontal sectional view of the cab of FIG. It is a top view which expands and shows the III section of FIG. It is a disassembled perspective view which shows the attachment structure of the attachment metal of FIG. It is a side view which shows a mode that a trolley collides with the entrance / exit pillar of FIG. It is a top view which shows the state before installation adjustment of the elevator car entrance / exit apparatus by Embodiment 2 of this invention. It is a top view which shows the state after installation adjustment of the car entrance / exit apparatus of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a front view of an elevator car entrance / exit device according to Embodiment 1 of the present invention as seen from the inside of a car. In the figure, a ceiling 2 is provided in the upper part of the cab 1. A car floor 3 is provided at the bottom of the car room 1. A plurality of wall panels 4 forming a car room wall are provided on both the left and right side surfaces and the back surface of the car room 1. A plurality of baseboards 5 are provided between the lower end of the wall panel 4 and the car floor 3.

  A car doorway 1 a is provided on the front surface of the car room 1. The car doorway 1 a is opened and closed by a pair of car doors 6. A pair of hollow entrance / exit columns 7 are erected on the left and right sides of the car entrance 1a. An upper plate 8 is provided above the car entrance 1a. A pair of sleeve wall panels 9 is provided between the doorway column 7 and the wall panel 4 on the side surface of the car room 1.

  FIG. 2 is a horizontal sectional view of the cab 1 of FIG. Each doorway column 7 and the car floor 3 are connected to each other by a fitting 11. Thereby, for example, when the carriage 20 or the like collides with the vicinity of the lower end portion of the entrance / exit column 7, the displacement due to the movement and rotation of the entrance / exit column 7 is prevented.

  3 is an enlarged plan view showing a portion III in FIG. 2, and FIG. 4 is an exploded perspective view showing the attachment structure of the attachment metal 11 in FIG.

  The entrance / exit column 7 is a flat plate formed by bending a flat plate-like facing portion 7a facing the car entrance / exit 1a and facing the entrance / exit column 7 on the opposite side, and an end portion of the facing portion 7a on the exterior side (the landing side) of the car at right angles. The outer end portion 7b of the car, the flat inner end portion 7c formed by bending the end portion of the opposing portion 7a on the car interior side, and the end portion of the inner end portion 7c bent at a right angle toward the outer end portion 7b side. And a flat folded portion 7d.

  The outer end portion 7 b faces the car door 6. The inner end 7 c faces the interior of the car room 1. The folded portion 7d faces the facing portion 7a. Further, one end portion in the width direction of the sleeve wall panel 9 is in contact with the folded portion 7d.

  The attachment metal 11 is configured by combining the first and second attachment pieces 12 and 13. The first and second mounting pieces 12 and 13 are fixed (jointly fastened) to the car floor 3 by a plurality (two in this case) of bolts 14. The bolts 14 are arranged at intervals in a direction parallel to the width direction of the car doorway 1a (the left-right direction in FIG. 3).

  The first mounting piece 12 is a flat plate-like first floor fixing part 12a that is bolted horizontally on the car floor 3, and is vertically raised from the first floor fixing part 12a. And a plate-like column fixing portion 12b fixed to the inner surface of the lower end portion. The first floor fixing portion 12a is provided with a plurality of (here, two) holes 12c through which the bolts 14 pass. The bolt 14 is screwed into a screw hole provided in the car floor 3.

  The second mounting piece 13 is a flat plate-like second floor fixing part 13a that is overlapped on the first floor fixing part 12a and bolted onto the car floor 3, and is perpendicular to the second floor fixing part 13a. And a buffer material receiving portion 13b having an L-shaped cross section facing the inner surface of the entrance / exit post 7 (opposing portion 7a and inner end portion 7c). The second floor fixing portion 13a is provided with a plurality of (here, two) holes 13c through which the bolts 14 pass.

  A flat cushioning material 15 is interposed between the cushioning material receiving portion 13b and the inner surface of the entrance / exit column 7 (opposing portion 7a and inner end portion 7c). In this example, the buffer material 15 is fixed to the buffer material receiving portion 13 b and is in close contact with the inner surface of the entrance / exit column 7. Further, as the buffer material 15, for example, an elastic body such as a rubber plate is used.

  In such an elevator car entrance / exit device, the mounting metal 11 is fixed to the inner surface of the entrance / exit column 7 and is not exposed to the outside of the entrance / exit column 7, so that the floor area of the car room 1 can be reduced or the design can be reduced. There is no decline in sex.

  Further, since the attachment metal 11 is fixed to the car floor 3 by the two bolts 14, for example, as shown in FIG. 5, the carriage 20 or the like collides with the entrance / exit column 7 and external force is applied to the entrance / exit column 7. In this case, the attachment metal 11 is prevented from being rotated around the bolt 14. Further, the impact of the external force applied to the entrance / exit column 7 is alleviated by the buffer material 15, and the entrance / exit column 7 is prevented from moving. Therefore, the entrance / exit post 7 can be efficiently reinforced with a simple structure, and contact between the entrance / exit post 7 and the car door 6 due to rotation / movement of the entrance / exit post 7 can be prevented.

  Furthermore, the shock absorbing material 15 can also prevent generation of contact sound between the mounting bracket 11 and the doorway column 7 due to vibration during elevator operation.

  In the first embodiment, the attachment metal 11 is configured by combining the first and second attachment pieces 12 and 13, but the attachment pieces 12 and 13 may be integrally formed.

Embodiment 2. FIG.
Next, FIG. 6 is a plan view showing a state before installation adjustment of the elevator car entrance / exit device according to Embodiment 2 of the present invention, and FIG. 7 is a plan view showing a state after installation adjustment of the car entrance / exit device of FIG. is there. In the figure, the attachment 21 is configured by combining first and second attachment pieces 12 and 22. The first and second mounting pieces 12 and 22 are fixed (jointly fastened) to the car floor 3 by a plurality of (two in this case) bolts 14.

  The configuration of the first mounting piece 12 is the same as that of the first embodiment. The second mounting piece 22 includes a flat plate-like second floor fixing portion 22a that is overlapped with the first floor fixing portion 12a and bolted thereto, and a buffer that faces the inner end portion 7c of the second mounting piece 13. And a material receiving portion 22b.

  A nut 23 is fixed to the buffer material receiving portion 22b. An intermediate portion of an adjusting screw 24 that passes through the buffer material receiving portion 22b is screwed into the nut 23. An operation portion 24 a for an operator to turn the adjustment screw 24 is provided at the base end portion of the adjustment screw 24.

  A stopper 25 is fixed to the tip of the adjustment screw 24. A buffer material 26 is fixed to the stopper 25. As the buffer material 26, for example, an elastic body such as a rubber plate is used.

  The adjustment mechanism 27 in the second embodiment includes a nut 23, an adjustment screw 24, and a stopper 25. The cushioning material 26 is supported by the cushioning material receiving portion 22 b via the adjustment mechanism 27. Further, the position of the cushioning material 26 in the direction of coming into contact with and separating from the inner surface of the entrance / exit column 7 (inner end portion 7 c) can be adjusted by the adjusting mechanism 27.

  At the time of installation adjustment, the operation portion 24a is rotated by a spanner, and the position of the cushioning material 26 is adjusted so that the cushioning material 26 is in close contact with the inner end portion 7c.

  In such an elevator car entrance / exit device, in addition to the same effects as those of the first embodiment, the buffer material 26 can be more closely attached to the inner surface of the entrance / exit column 7, and the rotation / movement of the entrance / exit column 7 can be further improved. It can be surely prevented.

In the second embodiment, the first and second mounting pieces 12 and 22 are combined to form the mounting metal 21. However, the mounting pieces 12 and 22 may be configured integrally.
In the first and second embodiments, the left and right structures of the car doorway 1a are the same. However, the car doorway 1a may not necessarily be the same. 21 may be provided.
Furthermore, the cushioning materials 15 and 26 may be arranged continuously from the lower end of the entrance / exit post 7 to a predetermined height or may be partially arranged.
Furthermore, in the first and second embodiments, the attachments 11 and 21 are fixed to the car floor 3 with the two bolts 14, but three or more bolts 14 may be used.
Further, the configuration of the first embodiment and the configuration of the second embodiment may be implemented in combination. Specifically, for example, a cushioning material may be interposed between the second attachment piece 22 and the facing portion 7a of the second embodiment.
Further, in the first and second embodiments, the first mounting piece 12 is provided with the column fixing portion 12b, and the second mounting pieces 13 and 22 are provided with the buffer material receiving portions 13b and 22b. Good.
Furthermore, the present invention can be applied to a single-opening type car entrance / exit device and a double-opening type car entrance / exit device. Further, the number of the car doors 6 is not particularly limited.

  DESCRIPTION OF SYMBOLS 1a Car entrance / exit, 3 car floors, 7 entrance / exit pillars, 11, 21 attachment metal, 12 1st attachment piece, 12a 1st floor fixation part, 12b pillar fixation part, 13, 22 2nd attachment piece, 13a, 22a 2nd floor fixing | fixed part, 13b, 22b shock absorbing material receiving part, 14 volt | bolt, 15, 26 shock absorbing material, 27 adjustment mechanism.

Claims (3)

Installation having a hollow entrance / exit pillar standing on the side of the car entrance / exit, a floor fixing part fixed to the car floor, and a pillar fixing part fixed to the inner surface of the lower end of the entrance / exit pillar Elevator car doorway equipped with gold,
The mounting bracket is fixed to the car floor by a plurality of bolts,
The mounting bracket is provided with a cushioning material receiving portion facing the inner surface of the doorway column,
An elevator car entrance / exit device characterized in that a cushioning material is interposed between the cushioning material receiving portion and the inner surface of the entrance / exit column. The mounting bracket is configured by combining first and second mounting pieces,
The floor fixing portion includes a first floor fixing portion provided on the first mounting piece and a second floor fixing provided on the second mounting piece and superimposed on the first floor fixing portion. And
The elevator car entrance / exit apparatus according to claim 1, wherein the pillar fixing portion is provided on one of the first and second mounting pieces, and the cushioning material receiving portion is provided on the other.   An adjusting mechanism is provided between the buffer material receiving portion and the buffer material to adjust the position of the buffer material in a direction in which the buffer material contacts and separates from the inner surface of the entrance / exit column. The elevator car entrance / exit device according to claim 1 or 2.

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