JP2605551B2 - Elevator cab lighting system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator car lighting system provided with a suspended ceiling.

[0002]

FIG. 7 shows, for example, Japanese Utility Model Publication No. 59-40381.
FIG. 1 is a diagram showing a conventional elevator cab lighting device disclosed in Japanese Unexamined Patent Publication (Kokai) No. H10-15095. In the figure, (1) is the ceiling plate of the elevator cab, (2) is a rescue exit provided on the ceiling plate (1), (3) is a lid for opening and closing the rescue exit (2), (4) is a ceiling plate (1) A suspended ceiling that is arranged with a gap below it,
(5), Central joint (6), Fourth joint (5) and Central joint (6)
Suspension plate (7) connected to (1) and four joints (5) and center joint (6)
And a light-transmitting portion (8) formed of a light-diffusing plate such as a synthetic resin plate supported by the light-emitting device. (9) is a light source fixture provided on the lower surface of the ceiling plate (1) and the lid (3), and (10) is a light source made of a circular fluorescent lamp held by the light source fixture (9).

[0003] The conventional elevator cab lighting system is constructed as described above, and the suspended ceiling (4) is fixed to a position where a gap is formed below the ceiling plate (1) by a suspension plate (7). The light source (10) is held by the light source fixture (9) and
It is placed in the gap between (1) and the suspended ceiling (4). Then, the light diffuser plate is supported by the fourth joint (5) and the center joint (6) at the edge, and is placed on the fourth joint (5) and the center joint (6). In such a configuration, when inspecting or replacing the lighting device such as the light source body (10), the worker lifts the light diffusing plate upward from the car room and moves it to the side, or the fourth joint (5), the center joint ( The work of pulling out the space between 6) is performed. Also,
When rescuing a cab passenger in the event of a failure, the lid (3) is removed by a worker in the cab, and then the diffuser is moved to the side or raised to the rescue exit (2) to rescue the passenger. A road is formed. When the design of the translucent part (8), the layout of the fourth joint (5), the allocation of the central joint (6), or when it is a narrow cab, the lid is unavoidable.
A light source body (10) is mounted on the body as shown in FIG. And
When the lid (3) is opened, the light source body (10) also moves upward as shown by a chain line in FIG.

[0004]

In the conventional elevator cab lighting system as described above, when inspecting and replacing the lighting system such as the light source (10), the light scattering plate which is easily damaged is moved alone. There has been a problem that complicated and dangerous work is required. In addition, elevator cab lighting system,
The position of the light source body (10) is determined by the design of the translucent portion (8) and the layout of the fourth joint (5) and the center joint (6), and the position of the rescue exit (2) is determined accordingly. Apart from such restrictions, it is necessary to arrange the rescue exit (2) at a position where the opened lid (3) does not hit each elevator device (not shown) located outside the car room. Since the position of the light source (10) is determined under these restrictions,
The light source body (10) may be arranged at a position where the convenience of maintenance work is sacrificed with respect to the position of (8), the fourth joint (5), and the center joint (6). Especially in narrow cabs
Since the size of (2) is restricted, the restriction on the arrangement of the light source (10) is increased.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide an elevator car illuminating device in which there are few restrictions on the arrangement of light sources and the maintenance work of the light sources is easy. I do.

[0006]

In the elevator cab lighting device according to the present invention, a car is provided which is provided with a translucent portion, one side of which is pivotally attached to a fixed portion of the cab and is rotatable downward. A suspended ceiling plate arranged with a gap below the ceiling plate of the room, a hooking means for holding the suspended ceiling plate at an elevated position, and a light source mounted on the upper surface of the suspended ceiling plate are provided. Can be

[0007]

In the maintenance work of the light source body of the elevator cab lighting device configured as described above, the suspended ceiling plate is opened downward, and the light source body moves together with the suspended ceiling plate to a lower open place.

[0008]

【Example】

Embodiment 1 FIG. In the figure, (1) is the ceiling plate of the elevator cab, (2) is a rescue exit provided on the ceiling plate (1), (3) is a lid for opening and closing the rescue exit (2), (4) is a ceiling plate (1) A suspended ceiling arranged with an air gap below it, a fourth joint (5), a central joint (6) detachably provided across the center of the fourth joint (5), A hanging plate (7) connecting the joint (5) to the ceiling plate (1) and a frame-shaped one side is hinged to one side of the four-circle joint (5), i.e., a fixed portion of the cab by a hinge (11). The other side is supported by a center joint (6), and is constituted by a suspended ceiling plate (12) having a light-transmitting portion (8) made of a light-diffusing plate such as a synthetic resin plate. The suspended ceiling plate (12) is the center joint (6)
Are arranged in each of the two sections of the fourth joint (5), and are pivotally connected to one side of the fourth joint (5) parallel to the central joint (6). In addition, a center joint (6) is fixed to a rotating side edge of one suspended ceiling plate (12).

(9) A U-shaped member as a main part, and a light-transmitting part (8)
And (10) is a light source composed of a circular fluorescent lamp held by the light source fixture (9). (13) is the fourth lap (5)
The center joint (6) is provided with locking means provided on two sides opposed to each other. The hook piece (14) fitted to the fourth circumference joint (5) is buried in the embedded state and fitted to the hook piece (14). (5), and the end near the center joint (6) is held by a latching piece (14) via a seat plate (15).
Compression coil spring (16) for urging (14) in the direction of the center joint (6)
It consists of. (17) is a stabilizer of the light source (10) mounted inside the suspension plate (7).

In the elevator cab lighting device constructed as described above, the center joint (6) is held at the fourth joint (5) by the hooking means (13). And the suspended ceiling board (1
In 2), the edge on the side opposite to the pivot portion is supported by the center joint (6), and is arranged in a horizontal posture as shown by a solid line in FIG. And
At the time of maintenance work for inspection and replacement of the light source body (10), the hook piece (14) of the hooking means (13) is pressed by an operator against the urging force of the compression coil spring (16) by an arrow A in FIG. It is pulled back in the direction shown by. As a result, the locking of the center joint (6) with the fourth circumferential joint (5) is released, and the suspended ceiling plate (12) is rotated downward as shown by a chain line in FIG. 2, and together with the suspended ceiling plate (12). The light source (10) moves to the lower open place.

Thus, when inspecting or replacing the lighting device such as the light source body (10), it is not necessary to move the light-diffusing plate (8) which is easily damaged, and maintenance work can be performed easily and safely. it can. In addition, a suspended ceiling plate to which the light source body (10) is attached
Since (12) is opened downward, the location of the rescue exit (2) in the ceiling panel (1) depends on the design of the translucent part (8), the fourth joint (5), and the center joint.
There is no restriction due to the assignment of (6). Therefore, the position of the rescue exit (2) can be set with a high degree of freedom within the range where the lid (3) does not hit the elevator equipment in the upper part of the car room, and can be easily designed.

Embodiment 2 FIG. FIG. 5 is a view showing another embodiment of the present invention, in which the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and (9) denotes an edge on one side of the suspended ceiling plate (12). An L-shaped light source fixture with one end fixed.

Also in this embodiment, one side of the suspended ceiling plate (12) is pivoted by a fixed portion of the cab, and the light source (10) is maintained during maintenance work such as inspection and replacement of the light source (10). The attached suspended ceiling plate (12) is opened downward. Therefore, although detailed description is omitted, it is clear that the same operation as the embodiment of FIGS. 1 to 4 can be obtained in this embodiment. In addition, in this embodiment, the light-transmitting portion (8) is narrow, and the light source body fixture (9) can be downsized when the number of the light source bodies (10) is small,
Manufacturing can be simplified and manufacturing costs can be reduced.

Embodiment 3 FIG. FIG. 6 is also a view showing another embodiment of the present invention, in which the same reference numerals as those in FIGS. 1 to 4 denote corresponding parts, and (8) shows a light-transmitting portion formed of a block-shaped light-scattering piece; 9)
Is a light source fixture which is formed substantially in an I shape and is provided between the light-transmitting portions (8).

Also in this embodiment, one side of the suspended ceiling plate (12) is pivoted by a fixed portion of the cab, and the light source (10) is maintained during maintenance work such as inspection and replacement of the light source (10). The attached suspended ceiling plate (12) is opened downward. Therefore, although detailed description is omitted, it is clear that the same operation as the embodiment of FIGS. 1 to 4 can be obtained in this embodiment. Further, in this embodiment, the light source fixture (9) can be easily arranged at an appropriate position between the light-transmitting portions (8), and the small light source fixture (9) can be applied to facilitate manufacture. Manufacturing costs can be reduced.

[0016]

According to the present invention, as described above, the translucent portion is provided, and one side is pivotally attached to the fixed portion of the cab and is rotatable downward. A suspended ceiling plate provided with an air gap, a hooking means for holding the suspended ceiling plate at a raised position, and a light source mounted on the upper surface of the suspended ceiling plate. Thus, during maintenance work on the light source body of the car room lighting device, the suspended ceiling plate can be opened downward, and the light source body can be moved together with the suspended ceiling plate to a lower open place. Therefore, there is an effect that the maintenance work of the light source body is facilitated and the safety is improved.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of an elevator cab showing a first embodiment of the present invention.

FIG. 2 is a view for explaining a maintenance work situation of the lighting device of FIG. 1;

FIG. 3 is an enlarged perspective view showing the suspended ceiling of FIG.

FIG. 4 is an enlarged view of a portion of the hooking device shown in FIG. 3;

FIG. 5 is a view corresponding to FIG. 3, showing a second embodiment of the present invention;

FIG. 6 is a view corresponding to FIG. 3, showing a third embodiment of the present invention.

FIG. 7 shows a conventional elevator cab lighting system.
Equivalent figure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling board 8 Translucent part 10 Light source body 12 Suspended ceiling board 13 Hanging means

Claims (1)

(57) [Claims] 1. A ceiling plate and a light-transmitting portion of a cab are provided, and one side is pivotally attached to a fixed portion of the cab and is rotatable downward to form a gap below the ceiling plate. An elevator car room lighting device comprising: a suspended ceiling plate arranged in a manner as described above; a hooking means for holding the suspended ceiling plate at an ascending position; and a light source mounted on the upper surface of the suspended ceiling plate.