JP2017114588A - Ceiling illumination device of elevator car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a light transmitting portion frame integrated with a light transmitting portion to be easily detached from a case of an illumination device even inside an elevator cage and from above an elevator car.SOLUTION: The ceiling illumination device of an elevator, which is attached to a ceiling of an elevator car, comprises: a light emitting portion attached to the ceiling having an inspection door and a rescue door provided therein and constituted of a plurality of illuminating lamps 18 for illuminating the inside of a car; cases 15 which are fixed to the ceiling so as to surround the light emitting portion 18; light transmitting portions 16, arranged below the light emitting portion, which transmit light downward from the light emitting portion; light transmitting portion frames 20, which hold the light transmitting portion 16, one side of which is rotatably pivoted on the case 15; and light transmitting portion frame lock mechanisms 30 for fixing the light transmitting portion frame 20 to closing positions which close relative to the case 15 and releasing fixing. The light transmitting portion frame lock mechanism 30 allows the light transmitting portion frame 20 to be fixed and released, by operation from outside of the case 15 inside the car and from inside of the case 15 through the inspection door of the ceiling.SELECTED DRAWING: Figure 4

Description

  Embodiments described herein relate generally to a ceiling lighting device for an elevator car.

  An illuminating device for brightly illuminating the interior of the car is installed on the ceiling of the elevator car. The illuminating device has a light emitting unit made of a fluorescent lamp or an LED lamp fixed to the ceiling, a case that covers the light emitting unit, and a light transmitting unit that transmits light.

  Conventionally, the work of replacing a light emitting unit that has failed or has reached the end of its life has been performed from the top of the car by opening an inspection port provided on the ceiling. However, in recent years, from the viewpoint of emphasizing work safety and space saving at the top of the car, the light emitting unit replacement work has been performed in the car room.

  Conventionally, as an illuminating device in which a cover or the like can be attached / detached or opened / closed by work from inside a car room, for example, there are those described in Patent Documents 1 and 2.

JP 7-165382 A JP 2011-68452 A

In an elevator, when a large earthquake occurs, the elevator may stop urgently. In addition to the inspection port, a rescue exit is often provided on the ceiling of the car to rescue passengers confined in the car.
When the rescue exit is opened from the upper part of the car, the passenger cannot be rescued if the translucent part of the lighting device is left as it is. For quick rescue, it is desirable to allow the translucent part to be removed from the top of the car, but conventionally it could only be removed from the inside of the car.

  In addition, it is desirable that the inspection can be performed from the inside of the car or from the top of the car, depending on the situation, when checking the lighting device or replacing the fluorescent lamp of the light emitting unit.

  The present invention has been made in view of the above-described problems of the prior art, and allows the light-transmitting part frame integrated with the light-transmitting part to be easily removed from the case of the lighting device from the inside of the car or on the car. An object of the present invention is to provide a ceiling lighting device for an elevator car that can be removed.

  In order to achieve the above object, an elevator car ceiling lighting device according to an embodiment of the present invention is an illumination device that is attached to the ceiling of an elevator car, and is provided with an inspection port and a rescue outlet. A light-emitting unit that is attached to the ceiling and includes a plurality of illumination lamps that illuminate the interior of the car, a case that is fixed to the ceiling so as to surround the light-emitting unit, and that is disposed under the light-emitting unit, from the light-emitting unit A translucent part that transmits light downward; a translucent part frame that holds the translucent part and is pivotally supported on one side with respect to the case; and the translucent part frame with respect to the case A translucent part frame locking mechanism for fixing to a closed position that is closed and releasing the fixation, and the translucent part frame locking mechanism is operated from the outside of the case in the car room and on the ceiling. Inside the case through the inspection port By the operation from, and it is characterized in that it is possible fixing / release of the translucent part frame.

It is a top view when the ceiling lighting apparatus by 1st Embodiment of this invention is looked up from a cage interior. It is a figure which shows the front of the ceiling illuminating device by 1st Embodiment of this invention. It is a figure which shows the III-III cross section of FIG. It is a figure which shows the IV-VI cross section of FIG. It is the side view which looked at the translucent part frame locking mechanism with which the ceiling lighting device by a 1st embodiment of the present invention is provided from the longitudinal direction of a translucent part frame. It is the front view which looked at the translucent part frame locking mechanism from the inner side of the case. It is a figure which shows operation which cancels | releases a translucent part frame locking mechanism from the cab side, and opens a translucent part frame. It is a figure which shows operation which cancels | releases a translucent part frame locking mechanism from the ceiling side, and opens a translucent part frame. It is the front view which looked at the translucent frame lock mechanism with which the ceiling illuminating device by 2nd Embodiment of this invention is provided from the inner side of the case. It is the side view which looked at the translucent part frame locking mechanism of Drawing 9 from the longitudinal direction of the translucent part frame. It is the front view which looked at the translucent part frame locking mechanism with which the ceiling illuminating device by 3rd Embodiment of this invention is provided from the inner side of a case. It is the side view which looked at the translucent part frame locking mechanism of FIG. 11 from the longitudinal direction of the translucent part frame. It is the front view which looked at the translucent frame lock mechanism with which the ceiling illuminating device by 4th Embodiment of this invention is provided from the inner side of the case. It is the side view which looked at the translucent part frame locking mechanism of FIG. 13 from the longitudinal direction of the translucent part frame.

Hereinafter, an embodiment of a ceiling lighting device for an elevator car according to the present invention will be described with reference to the accompanying drawings.
(First embodiment)
FIG. 1 is a plan view (bottom view) showing the ceiling lighting device 14 when looking up from a car room. FIG. 2 is a view showing the front of the ceiling lighting device 14. 3 is a view showing a section taken along the line III-III in FIG. 1, and FIG. 4 is a view showing a section taken along the line IV-IV in FIG.

  In FIG. 1, the car compartment of the car is surrounded by side plates 10. A ceiling lighting device 14 is attached to the ceiling 12 so as to illuminate the interior of the car brightly. The ceiling lighting device 14 includes a case 15 that forms a square frame, and a translucent portion 16 that is made of a resin plate that transmits light.

  The case 15 is attached to the ceiling 12 so as to surround the light emitting unit. Inside the case 15, a plurality of fluorescent lamps 18 as light emitting units are fixed to the ceiling 12. In this case, the fluorescent lamp 18 is attached to an inspection port cover 17 that closes the inspection port. The ceiling 12 is provided with a rescue cover 19 for opening and closing the rescue exit, and a fluorescent lamp 18 is also attached to the rescue exit cover 19. In addition to the fluorescent lamp 18, an LED lamp or an incandescent lamp may be used as the illumination lamp of the light emitting unit.

  In this embodiment, one ceiling lighting device 14 is configured with three fluorescent lamps 18 arranged as one unit. That is, one translucent part 16 is provided for one case 15, and three ceiling lighting devices 14 are arranged in parallel. As shown in FIGS. 3 and 4, the translucent part 16 is held by a translucent part frame 20 that forms a rectangular frame. The translucent frame 20 is rotatably attached to the case 15.

As shown in FIG. 4, support arms 22 are fixed to the side surfaces in the short direction via fixing tools 21, respectively. A support shaft 23 that rotatably supports one side of the translucent frame 20 is provided at the tip of the support arm 22.
FIG. 4 shows a state where the translucent frame 20 is fixed at a position closed with respect to the case 15. In the ceiling lighting device 14 of the present embodiment, the translucent part frame 20 is fixed at the closed position, and the translucent part frame 20 as described below can be opened by releasing the fixation. A lock mechanism 30 is provided.

Here, FIG. 5 is a side view of the translucent part frame locking mechanism 30 viewed from the longitudinal direction of the translucent part frame 20. FIG. 6 is a front view of the translucent frame locking mechanism 30 as seen from the inside of the case 15.
The translucent frame lock mechanism 30 includes a bracket 31 bent in an L-shape, and a first bolt 32 and a nut 33 that are screw elements that detachably fix the vertical portion 31a of the bracket 31 to the inside of the case 15. The second portion 34 is a screw element that detachably fixes the horizontal portion 31b of the bracket 31 to the translucent frame 20 side.

  As shown in FIG. 5, the bracket 31 is disposed inside the case 15. The first bolt 32 is a bolt that can be tightened and loosened from the outside of the case 15, that is, from the inside of the car interior, and the head of the first bolt 32 is in a position that can be accessed from the car interior. The first bolt 32 extends through the case 15 and the bracket 31, and a nut 33 is screwed to the tip thereof.

  As shown in FIG. 6, the second bolt 34 is a bolt that can be accessed from above the ceiling 12, and two bolts are used. The translucent frame 20 is formed with a female screw for the second bolt 34, and the second bolt 34 passes through the horizontal portion 31 b of the bracket 31 and is screwed into the female screw. In this embodiment, a butterfly bolt is used as the second bolt 34 so that it can be easily turned by hand.

  The ceiling illuminating device for an elevator car according to this embodiment is configured as described above. Next, an operation for opening and closing the translucent frame 20 at the time of inspection of the ceiling illuminating device 14 will be described. .

  First, an operation when an inspection worker opens the translucent frame 20 in the car room will be described. In this case, the worker gets on the stepladder placed in the car room, extends his hand over his head, and loosens the first bolt 32.

  In FIG. 5, the head of the first bolt 32 is on the outside of the case 15, that is, on the car room side, so that the first bolt 32 can be easily loosened. When the first bolt 32 is removed from the bracket 31, the translucent frame 20 is in a rotatable state. At this time, the bracket 31 remains fixed to the translucent frame 20 by the second bolt 34.

  As shown in FIG. 7, the translucent frame 20 can be rotated about the support shaft 23 and opened. In this state, the inspection worker can check or replace the fluorescent lamp 18 in the case 15.

  When the inspection work is finished, the translucent frame 20 is lifted to the closing position, and the first bolt 32 is screwed into the bracket 31 from the outside of the case 15 to fix the translucent frame 20 as shown in FIG. be able to.

  Next, an operation for opening the inspection opening and opening the translucent frame 20 from above the ceiling 12 will be described with reference to FIGS. In this case, the inspection worker gets on the car and reaches out from the opened inspection port 36 to loosen the second bolt 34.

  The second bolt 34 is located at a position that can be accessed by reaching out from the inspection port 36. If the two second bolts 34 are loosened and removed, the bracket 31 does not support the translucent frame 20, so that the translucent frame 20 can be rotated. As shown in FIG. 8, the translucent frame 20 can be opened by rotating around the support shaft 23.

In the situation where the translucent frame 20 is opened by reaching out from the inspection port 36, it is also assumed that the lighting device is inspected. It is a situation to do.
In the case of rescue, the rescue outlet 19 attached to the ceiling 12 is removed in FIG. 1 to open the rescue exit. It is the ceiling lighting device in the middle that opens the translucent frame 20.

  According to the present embodiment, it is easy to open the translucent frame 20 from the inside of the car or from the top of the car. In particular, when the translucent frame 20 is opened from the top of the ceiling 12, it is easy to loosen the second bolt 34 made of butterfly bolts, and to help rescue passengers left in the car from the rescue exit. Can do.

(Second Embodiment)
Next, an elevator car ceiling lighting device according to a second embodiment of the present invention will be described with reference to FIGS.
The ceiling lighting device of the second embodiment includes a translucent part frame locking mechanism 40 having a configuration different from that of the translucent part frame locking mechanism 30 of the first embodiment. Other than that, it is the same as that of 1st Embodiment, attaches | subjects the same reference number to the same component, and abbreviate | omits the detailed description.

  FIG. 9 is a view of the translucent frame locking mechanism 40 as seen from the inside of the case 15. FIG. 10 is a side view of the translucent part frame locking mechanism 40 according to the second embodiment viewed from the longitudinal direction of the translucent part frame 20.

  The translucent part frame locking mechanism 40 according to the second embodiment includes a lever 41, a first bolt 42 that is a screw element that functions as a rotating shaft of the lever 41, a bracket 44, and the bracket 44. The second bolt 45 is fixed to the second bolt 45.

  For the first bolt 42, a butterfly bolt is used so that the first bolt 42 can be turned from the cab side, and the head on the outside of the case 15 can be rotated with a tool such as pliers. Further, by tightening the lock nut 46, it is possible to fix the lever 41 so as not to rotate.

  As shown in FIG. 9, the bracket 44 is fixed to the translucent part frame 20 by a second bolt 45 including two butterfly bolts. The free end side of the bracket 44 has an engaged portion 44 a that is bent at two locations and forms a gap with the upper surface of the translucent portion frame 20. The horizontal engaging portion 41a of the lever 41 is detachably engaged so as to support the engaged portion 44a from below.

In the second embodiment as described above, an operation when an inspection worker opens the translucent frame 20 in the car room will be described.
When the first bolt 42 is turned from the inside of the car room and the lever 41 is rotated in the direction of the arrow in FIG. 9, the engagement state between the previous engaging portion 41 a of the lever 41 and the engaged portion 44 a of the bracket 44 is released. be able to. Thereby, the translucent part frame 20 can be opened.

  To close the translucent part frame 20, the first engaging part 42 a of the lever 41 is rotated by rotating the first bolt 42 in the opposite direction while the translucent part frame 20 is supported horizontally. Since it comes to engage with 44a, it can lock so that the translucent part frame 20 may not open.

  According to the translucent part frame locking mechanism 40 according to the second embodiment as described above, the first bolt 42 is turned to unlock and re-lock the translucent part frame locking mechanism 40 from the inside of the car. Therefore, there is an advantage that the operation becomes very simple.

  In addition, when opening the translucent part frame 20 from the inspection port of the ceiling 12, if the two 2nd volt | bolts 45 are loosened and removed from the bracket 44 similarly to 1st Embodiment, the bracket 44 will become the translucent part frame 20. Can no longer be supported, so that the translucent frame 20 can be opened.

(Third embodiment)
Next, an elevator car ceiling lighting apparatus according to a third embodiment of the present invention will be described with reference to FIGS.
The ceiling illuminating device according to the third embodiment includes a translucent frame locking mechanism 50 that can be rotated from the interior of the car, similarly to the translucent frame locking mechanism 40 of the second embodiment. The difference is that a cylinder lock 52 is used in place of the first bolt 42, and the rest is the same as in the second embodiment, and the same reference numerals are used for the same components as in FIGS. The detailed description is omitted.

  The cylinder lock 52 is fixed inside the case 15 by a lock holder 53. As shown in FIG. 12, the end of the cylinder lock 52 where the key hole 54 is located protrudes to the outside of the case 15 so that a key (not shown) can be inserted from the inside of the car room.

  A rotation shaft 56 of the cylinder lock 52 is connected to a lever 57. Similarly to the second embodiment, the engaging portion 57a that is horizontal on the distal end side of the lever 57 is detachably engaged so as to support the engaged portion 44a of the bracket 44 from below. The bracket 44 is fixed to the translucent frame 20 by a second bolt 45 made of a butterfly bolt.

In the third embodiment as described above, an operation when an inspection worker opens the translucent frame 20 in the car room will be described.
When the key is inserted into the cylinder lock 52 from the inside of the cab and the lever 57 is rotated in the direction of the arrow in FIG. 11, the engagement state between the engagement portion 57a of the lever 57 and the engaged portion 44a of the bracket 44 is released. can do. Thus, the translucent part frame 20 is opened. To close the translucent part frame 20, if the key is inserted and the translucent part frame 20 is supported horizontally, it is rotated in the reverse direction. Since 57a comes to engage with the engaged portion 44a of the bracket 44, the translucent frame 20 can be locked so as not to open.

  As described above, according to the third embodiment, in order to unlock and re-lock the translucent part frame locking mechanism 50 from the inside of the car, it cannot be operated unless a key is used. In other words, since the third party cannot operate freely, there is an advantage that the unlocking due to the mischief of the third party can be surely prevented.

  When the translucent frame 20 is opened from the inspection opening of the ceiling 12, the bracket 44 supports the translucent frame 20 if the two second bolts 45 are loosened and removed as in the second embodiment. Therefore, the translucent frame 20 can be opened.

(Fourth embodiment)
Next, FIGS. 13 and 14 are views showing a translucent frame locking mechanism 60 according to the fourth embodiment of the present invention.
In the fourth embodiment, as in the third embodiment, a rotary translucent frame locking mechanism 60 that uses a cylinder lock 52 for unlocking operation from the inside of the car room is provided. The difference is that when the unlocking operation is performed from the inspection port side of the ceiling 12, only the butterfly bolt 62 that functions as an engaged member with which the lever 57 engages is removed while the bracket 61 is fixed. is there. Other than that, it is the same as that of 3rd Embodiment, and attaches | subjects the same reference number to the component same as FIG. 11, FIG. 12, and the detailed description is abbreviate | omitted.

  The bracket 61 is fastened to the upper surface of the translucent frame 20 with bolts 64. The bracket 61 has a vertical portion 61a rising vertically, and a butterfly bolt 62 is screwed into a nut 64 fixed to the vertical portion 61a. An engaging portion 57a of a lever 57 connected to the cylinder lock 52 is engaged with the butterfly bolt 62 so as to be supported from below.

  According to the fourth embodiment as described above, in order to open the translucent frame 20 from the outside of the ceiling 12, the translucent member 20 can be opened by loosening the butterfly bolt 62 and removing it from the bracket 61. In the case of closing, on the contrary, the butterfly bolt 62 may be screwed into the bracket 61 and the butterfly bolt 62 may be engaged with the lever 57 with the translucent frame 20 supported horizontally. Thus, compared with 3rd Embodiment, there exists an advantage from which the operation from the ceiling 12 side becomes easy.

  Note that the operation from the cab side when opening and closing the translucent member 20 is the same as in the third embodiment, and thus description thereof is omitted.

  As mentioned above, although the preferred embodiment was mentioned and demonstrated about the ceiling lighting apparatus of the elevator car which concerns on this invention, these embodiment was given as an illustration and does not intend the restriction | limiting of the scope of the invention. . Of course, the novel apparatus, method and system described in the specification can be implemented in various forms, and various omissions, substitutions and changes can be made without departing from the spirit of the present invention. is there. The claims and their equivalents are intended to cover the embodiments or improvements thereof within the spirit of the invention.

DESCRIPTION OF SYMBOLS 10 ... Side plate, 12 ... Ceiling, 14 ... Ceiling lighting device, 15 ... Case, 16 ... Translucent part, 18 ... Fluorescent lamp, 19 ... Rescue cover, 20 ... Translucent part frame, 30 ... Translucent part frame locking mechanism , 31 ... bracket, 32 ... first bolt, 33 ... nut, 34 ... second bolt, 40 ... translucent frame locking mechanism, 41 ... lever, 41a ... engaging portion, 42 ... first bolt, 44 ... bracket, 44a ... engaged portion, 45 ... second bolt, 50 ... translucent frame lock mechanism, 52 ... cylinder lock, 53 ... lock holder, 60 ... translucent frame lock mechanism, 62 ... butterfly bolt

Claims (5)

A lighting device attached to the ceiling of the elevator car,
A light-emitting unit that is attached to a ceiling provided with an inspection port and a rescue exit, and that includes a plurality of illumination lights that illuminate the interior of the car;
A case fixed to the ceiling so as to surround the light emitting part;
A light-transmitting part that is disposed under the light-emitting part and transmits light from the light-emitting part downward;
A translucent part frame that holds the translucent part and is pivotally supported on one side with respect to the case;
A translucent part frame locking mechanism for fixing the translucent part frame to a closed position that is closed with respect to the case, and releasing the fixation;
The translucent frame lock mechanism is capable of fixing / releasing the translucent frame by an operation from the outside of the case in the cage and an operation from the inside of the case through the inspection port of the ceiling. Elevator car ceiling lighting device characterized by The translucent part frame locking mechanism includes an L-shaped bracket that connects the case and the translucent part frame inside the case;
A first screw element that detachably fixes one end of the bracket to the inside of the case, and is loosened outside the case and removable from the bracket;
A second screw element that detachably fixes the other end of the bracket to the translucent frame, loosened inside the case, and removable from the bracket;
The ceiling lighting device for an elevator car according to claim 1, comprising: The translucent frame locking mechanism is a rotation shaft that can be rotated from the outside of the case;
A lever connected to the rotating shaft inside the case;
A bracket having an engaged portion that is removably fixed to the light-transmitting portion frame by a screw element that can be loosened and removed inside the case and that can engage with a distal end portion of the lever. The ceiling illuminating device for an elevator car according to claim 1. The translucent frame lock mechanism has a key hole into which a key is inserted from the outside of the case, and a cylinder lock fixed to the inside of the case;
A lever coupled to the cylinder lock and rotatable with the rotation of the key;
A bracket having an engaged portion that is removably fixed to the light-transmitting portion frame by a screw element that can be loosened and removed inside the case and that can engage with a distal end portion of the lever. The ceiling illuminating device for an elevator car according to claim 1. The translucent frame locking mechanism is a cylinder lock in which a key is inserted outside the case and fixed inside the case;
A lever coupled to the cylinder lock and rotatable with the rotation of the key;
A bracket fixed to the translucent frame;
The screw element which comprises the to-be-latched part which can be loosened from the inner side of the case and is detachably attached to the bracket and engageable with the end of the lever. Elevator car ceiling lighting system.

Images