JP5534987B2 - Elevator car interior lighting equipment - Google Patents

Description

  Embodiments described herein relate generally to an elevator car interior lighting device.

  A car room lighting device for illuminating the car room is provided in the elevator car room, and an example of the elevator car room lighting device described in Patent Document 1 is known. The elevator car interior lighting device described in Patent Literature 1 includes a plurality of lighting fixtures attached to the ceiling of a car cabin, and a case that covers the lighting fixtures. The case includes a fixed portion that has an opening on the lower side and is fixed to the ceiling surface, and a translucent movable portion (umbrella member) that is disposed in the opening and attached to the fixed portion. .

  One end side of the movable portion is rotatably attached to the fixed portion via a hinge, and the other end side is locked to the fixed portion via a lock device including a hook portion and a latch portion.

  When performing maintenance such as exchanging or cleaning lighting fixtures, an operator enters the car room, unlocks the locking device, rotates the movable part downward using the hinge as a fulcrum, and opens the opening. To do. And a worker puts a hand from the opened opening part and performs a maintenance of a lighting fixture.

  Furthermore, the elevator car interior lighting device described in Patent Document 1 is movable in order to prevent a malfunction in which the movable part immediately turns to a position where the opening is opened when the lock device is unlocked. A lock screw functioning as a second lock device for fixing the portion to the fixing portion is provided.

JP 2010-6572 A

  In the elevator car interior lighting device described in Patent Document 1, the lower end side of the fixed portion is lowered to a position covering the outer peripheral side surface of the movable portion in order to attach the lock screw.

  For this reason, the light of the lighting fixture which permeate | transmitted the outer peripheral side surface of the movable part is light-shielded by the fixing | fixed part, the peripheral part of the ceiling surface of a cab is darkened, and the designability in a cab interior is falling.

  In addition, the locking operation and the unlocking operation of the locking device are performed by inserting a hand or an operation tool through a gap between the outer peripheral side surface of the movable portion and the fixed portion. However, since the lower end of the fixed part is lowered to a position that covers the outer side surface of the movable part, the vertical dimension of the gap for inserting a hand or operation tool is increased, which makes it possible to lock and unlock the locking device. It takes time.

  The present invention has been made to solve such a problem, and its purpose is to securely lock the umbrella member covering the lighting apparatus and to prevent the ceiling surface of the cab from being transmitted by the light transmitted through the side surface of the umbrella member. It is to brighten the peripheral edge and improve the design of the car room.

The elevator car interior lighting device of the embodiment is disposed on the outer peripheral side of the lighting fixture attached to the ceiling of the cabin and the lighting fixture attached to the ceiling of the cabin and attached to the ceiling of the cabin, A luminaire case having an opening for exposing the luminaire on the lower side of the luminaire, and a closed position where one end of the luminaire is connected to the luminaire case so as to be vertically rotatable by a hinge, and the opening is closed; A translucent umbrella member that rotates between an open position that opens the opening and that has at least a part of a side surface located below the lower end of the luminaire case when positioned at the closed position. And a latch portion attached to the other end of the umbrella member and detachably hooked to a hook portion attached to the lighting fixture case when the umbrella member is located at a closed position. A locking member mounted on the side surface of the other end of the umbrella member, said locking member, e Bei and a locking mechanism for locking releasably to the holding portion provided in the cab, said locking member The umbrella member positioned at the closed position is slidably mounted in the horizontal direction, and the lock mechanism is formed on the lock member and includes a small diameter portion and a large diameter portion in a direction along the slide direction of the lock member. Having a dharma hole, a nut fixed to the holding portion, and a head having a diameter larger than the small diameter portion and smaller than the large diameter portion on one end side, and inserted into the small diameter portion and the other end A lock screw for tightening and fixing the lock member and the holding portion when the side is screwed to the nut.

It is sectional drawing which shows the whole structure of the elevator to which the cage interior lighting apparatus of the 1st Embodiment of this invention is applied. It is sectional drawing of a cage room. It is the sectional view on the AA line of the cab shown in FIG. It is sectional drawing which expands and shows the mechanism part which locks an umbrella member in a closed position. It is a perspective view which shows a locking member. It is explanatory drawing which shows the procedure of lock release with a locking member and a holding | maintenance part. It is explanatory drawing which shows the procedure of the lock release of the locking member and holding | maintenance part in the 2nd Embodiment of this invention. It is explanatory drawing which shows the procedure of the lock release of the locking member and holding | maintenance part in the 3rd Embodiment of this invention. It is explanatory drawing which shows the procedure of the lock release of the locking member and holding | maintenance part in the 4th Embodiment of this invention.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the elevator 1 includes a car 3 and a counterweight 4 disposed in a hoistway 2. An elevator hall 5 for getting on and off the car 3 is provided on each use floor of the building where the elevator 1 is installed. The elevator hall 5 is provided with a hold door 7 that opens and closes between the hall entrance 6 and the hoistway 2.

  A machine room 8 is provided above the hoistway 2. In the machine room 8, a hoisting machine 9 and a control device 10 for controlling the entire elevator 1 are provided. The hoisting machine 9 includes a main sheave 11 and a motor 12 that rotationally drives the main sheave 11. A main rope 13 is wound around the main sheave 11, and a car 3 and a counterweight 4 are connected to both ends of the main rope 13 in a fishing bottle manner.

  The car 3 includes a car frame 14 and a car room 15. The car frame 14 is formed by assembling an upper beam and a lower beam extending in the horizontal direction and a pair of vertical frames extending in the vertical direction into a frame shape. The car room 15 is formed in a box shape that can be used by an elevator user, and is arranged in the car frame 14.

  The car room 15 includes a car floor 16, a side plate 17, a ceiling plate 18, and a car door 19, and a car room lighting device 20 that illuminates the inside of the car room 15 is provided below the ceiling plate 18.

  As shown in FIGS. 2 and 3, the car room lighting device 20 includes a plurality of lighting fixtures 21, a lighting fixture case 22, a holding portion 23, an umbrella member 24, a hinge 25, a hook portion 26, and a latch. A portion 27, a lock member 28, and a lock mechanism 29 are provided.

  The lighting fixture 21 is a fluorescent lamp, for example, and is attached to the lower surface of the ceiling board 18 so as to be replaceable.

  The lighting fixture case 22 is arranged on the outer peripheral side of the lighting fixture 21 attached to the ceiling plate 18, and the upper end portion is fixed to the ceiling plate 18. A flange 22 a having an L-shaped cross section is fixed to the inner surface of the luminaire case 22. The luminaire case 22 may be provided in all four directions on the outer peripheral side of the luminaire 21, or provided in two or three directions on the outer peripheral side of the luminaire 21, and the remaining outer peripheral side is open. May be. An opening 30 that exposes the luminaire 21 downward is formed in a lower portion of the luminaire 21 in the luminaire case 22.

  The holding portion 23 is a member that is positioned outside the lighting fixture case 22 and attached to the ceiling plate 18, and also serves as a side plate on the upper side of the cab 15. A bent portion 23 a that is bent outward is formed at the lower end of the holding portion 23.

  The umbrella member 24 is a light-transmitting plate-like member, and is illuminated so as to be vertically rotatable between a closed position indicated by a solid line in FIG. 3 and an open position indicated by a two-dot chain line in FIG. It is held in the instrument case 22. When the umbrella member 24 is located at the closed position, the opening 30 is closed by the umbrella member 24, and the lower side of the lighting fixture 21 attached to the ceiling plate 18 is covered by the umbrella member 24. When the umbrella member 24 is located at the closed position, at least a part of the side surface of the umbrella member 24 is located below the lower end portion of the lighting fixture case 22.

  The hinge 25 is a member that holds the umbrella member 24 so as to be rotatable between a closed position and an open position. One end of the hinge 25 is fixed to the flange 22a of the lighting fixture case 22, and the other end of the hinge 25 is rotatably connected to one end side of the umbrella member 24 by a support shaft 25a having a horizontal axis. The umbrella member 24 rotates between a closed position and an open position with the support shaft 25a as a fulcrum. A pair of hinges 25 are provided on both sides of the umbrella member 24 in the width direction (the direction perpendicular to the paper surface in FIG. 3).

  The hook part 26 and the latch part 27 are first locking means for locking the umbrella member 24 in the closed position, and the umbrella member 24 is locked in the closed position by hooking the latch part 27 on the hook part 26. . The latch portion 27 is attached to the upper surface side of the umbrella member 24 on the other end side (the side opposite to the side where the hinge 25 is provided) of the umbrella member 24. The hook portion 26 is fixed to the flange 22 a of the lighting fixture case 22. The latch portion 27 is provided with an operation lever 27a for rotating the latch portion 27 to a position where the latch portion 27 is hooked on the hook portion 26 and a position where the hook portion 26 is released.

  The lock member 28 and the lock mechanism 29 are second lock means for locking the umbrella member 24 in the closed position. In addition to the hook portion 26 and the latch portion 27 that are the first locking means, the locking member 28 that is the second locking means and the locking mechanism 29 are provided, so that the umbrella member 24 is locked in the closed position. The state can be stabilized.

  As shown in FIG. 5, the lock member 28 is a member having a L-shaped cross section formed by a first bent portion 28 a and a second bent portion 28 b. A long hole 32 is formed in the first bent portion 28a, and a dharma hole 33 is formed in the second bent portion 28b. The dharma hole 33 has a small-diameter portion 33a and a large-diameter portion 33b formed continuously in a direction along the sliding direction of the lock member 28 (the same direction as the longitudinal direction of the long hole 32).

  As shown in FIGS. 3 and 6, the lock member 28 is attached to the side surface of the umbrella member 24 on the other end side (the side opposite to the side where the hinge 25 is provided). The lock member 28 is attached to the side surface of the umbrella member 24 by fixing a pair of attachment screws 34 inserted through the elongated holes 32 to the side surface of the umbrella member 24. The interval between the pair of mounting screws 34 is set to be shorter than the length dimension of the long hole 32, and the lock member 28 is slidably mounted along the longitudinal direction of the long hole 32. The sliding direction of the lock member 28 is the horizontal direction of the umbrella member 24 located at the closed position.

  The lock mechanism 29 is a mechanism that releasably locks the lock member 28 to the holding portion 23, and includes a dharma hole 33 formed in the lock member 28, a nut 35 fixed to the bent portion 23 a of the holding portion 23, A lock screw 36 is inserted through the dharma hole 33 and screwed into the nut 35.

  The lock screw 36 has a head 36 a that is larger in diameter than the small-diameter portion 33 a of the Dalma hole 33 and smaller in diameter than the large-diameter portion 33 b of the Dalma hole 33 on one end side. The second bent portion 28b and the bent portion 23a are pressed by tightening the other end of the lock screw 36 inserted through the small diameter portion 33a by screwing the nut 35 into the nut 35, and the second bent portion 28b and the lock screw 36. The head 36a is pressed. Thereby, the lock member 28 and the holding part 23 are fastened and fixed.

  The holding portion 23, the lock member 28, and the lock screw 36 are preferably painted in the same color. By applying the same color as those of the holding portion 23, the lock member 28, and the lock screw 36, the lock member 28 and the lock screw 36 can be made inconspicuous.

  In the present embodiment, the case where the lock member 28 is formed in a dimension that the second bent portion 28b and the bent portion 23a are pressed has been described as an example. However, the lock member 28 includes the second bent portion 28b and the second bent portion 28b. You may form in the dimension which the bending part 23a opposes with a clearance gap. Even in this case, by tightening the lock screw 36, the head 36a of the lock screw 36 screwed into the nut 35 is pressed against the second bent portion 28b, and the lock member 28 and the holding portion 23 are fastened and fixed.

  In such a configuration, the umbrella member 24 shown by the solid line in FIGS. 2 and 3 is locked in the closed position, and the umbrella member 24 shown by the two-dot chain line in FIG. 3 rotates to the open position. It is in the state.

  The umbrella member 24 located at the closed position is locked by hooking the latch portion 27 onto the hook portion 26 in the first locking means including the hook portion 26 and the latch portion 27. Further, the second locking means including the locking member 28 and the locking mechanism 29 is locked by screwing the lock screw 36 inserted through the small diameter portion 33 a of the dharma hole 33 into the nut 35.

  Therefore, when the umbrella member 24 is located at the closed position, the umbrella member 24 has the first lock means including the hook portion 26 and the latch portion 27, and the second lock including the lock member 28 and the lock mechanism 29. Locked by means. For this reason, even when various vibrations and impacts are applied to the umbrella member 24 located at the closed position, it is possible to prevent a malfunction that the locked state is released and the umbrella member 24 rotates to the open position.

  When maintenance such as cleaning or replacement of the lighting fixture 21 is performed, an operator enters the cab 15 and the umbrella member 24 locked at the closed position indicated by a solid line in FIG. 3 is indicated by a two-dot chain line in FIG. Turn to the open position shown.

  When the umbrella member 24 locked at the closed position is rotated to the opened position, first, the second locking means is unlocked. This unlocking is performed according to the following procedure. First, as shown in FIG. 6B, the lock screw 36 is loosened from the locked state shown in FIG. 6A, and the second bent portion 28b and the bent portion 23a, and the second bent portion 28b and the head portion 36a of the lock screw 36 are obtained. Release the tightening state. By releasing the tightened state, the lock member 28 can slide along the longitudinal direction of the long hole 32 and the dharma hole 33. Therefore, the lock member 28 that has become slidable is slid in the direction of arrow B, and the lock screw 36 is positioned in the large-diameter portion 33b of the dharma hole 33, whereby the lock by the second lock means is released.

  After releasing the lock by the second lock means, the latch part 27 is rotated to release the hook to the hook part 26, thereby releasing the lock by the first lock means. The operation of rotating the latch portion 27 is performed by inserting an operation tool through the gap between the side surface of the umbrella member 24 and the lighting fixture case 22 and rotating the operation lever 27a.

  By releasing the lock of the second lock means and the lock of the first lock means, the umbrella member 24 can be rotated about the support shaft 25a of the hinge 25 as a fulcrum. It can be rotated to the open position indicated by. When the umbrella member 24 rotates from the closed position to the open position, the lock member 28 also rotates together with the umbrella member 24. When the lock member 28 rotates together with the umbrella member 24, the lock screw 36 is positioned in the large diameter portion 33 b of the daruma hole 33, so that the lock screw 36 does not interfere with the edge of the large diameter portion 33 b and the lock screw 36. Can be removed from the dharma hole 33.

  When the umbrella member 24 is rotated to the open position, the opening 30 of the luminaire case 22 is opened, and the worker can perform maintenance of the luminaire 21 by putting a hand through the opened opening 30.

  After the maintenance of the lighting fixture 21 is completed, the umbrella member 24 located at the open position is rotated to the closed position, and the umbrella member 24 is locked by the first lock means and the second lock means. Lock in the closed position.

  Here, the hook portion 26 and the latch portion 27 constituting the first locking means are arranged on the upper surface side of the umbrella member 24. The lock member 28 constituting the second lock means is attached to the side surface of the umbrella member 24, and the lock member 28 is locked to the holding portion 23 using a lock mechanism 29. And the lighting fixture case 22 arrange | positioned at the outer peripheral side of the lighting fixture 21 attached to the ceiling board 18 is not used in order to attach a 2nd locking means. For this reason, the umbrella member 24 can be disposed such that at least a part of the side surface of the umbrella member 24 is located below the lower end portion of the lighting fixture case 22.

  Therefore, the amount of light shielded by the lighting fixture case 22 among the light that has been emitted from the lighting fixture 21 and then transmitted through the side surface of the umbrella member 24 can be reduced. Thereby, since the light emitted from the lighting fixture 21 and transmitted through the side surface of the umbrella member 24 is blocked by the lighting fixture case 22, the occurrence of a dark shadow around the ceiling side of the cab 15 is suppressed. The surrounding of the cab 15 on the ceiling side becomes bright, and the design and aesthetics in the cab 15 can be improved.

  Further, since at least a part of the side surface of the umbrella member 24 is disposed below the lower end of the lighting fixture case 22, the umbrella member 24 is rotated between the closed position and the open position. In addition, it is possible to suppress the occurrence of a situation in which the side surface of the umbrella member 24 interferes with the lighting fixture case 22 and is damaged.

  Further, since at least a part of the side surface of the umbrella member 24 is disposed below the lower end portion of the luminaire case 22, the side surface of the umbrella member 24 and the luminaire are provided to rotate the latch portion 27. When inserting the operation tool from the gap between the case 22 and rotating the operation lever 27a, the insertion size of the operation tool is reduced, and the operability of the operation tool can be improved.

Further, since the side surface of the umbrella member 24 is disposed below the lower end portion of the luminaire case 22, the dimension in which the luminaire case 22 and the holding portion 23 overlap in the vertical direction is reduced. The portion where the lighting fixture case 22 and the holding portion 23 overlap in the vertical direction is a portion used for the air outlet from the air conditioner, and the occurrence of condensation can be suppressed by shortening the length of the air outlet. .
(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIG. Note that in this embodiment and other embodiments described below, the same components as those described in the first embodiment are denoted by the same reference numerals, and redundant descriptions are omitted.

  The basic structure of the second embodiment is the same as that of the first embodiment. The second embodiment is different from the first embodiment in the attachment structure of the lock member 28 to the side surface of the umbrella member 24. In the second embodiment, the lock member 28 is attached to the side surface of the umbrella member 24 by a single attachment screw 34 inserted through the elongated hole 32.

  Therefore, when the lock member 28 is slid in the direction of arrow B and the lock screw 36 is positioned in the large diameter portion 33b of the dharma hole 33, the lock member 28 is orthogonal to the slide direction of the lock member 28 with the mounting screw 34 as a fulcrum. It is possible to rotate in the vertical direction.

  Therefore, as shown in FIG. 7C, the lock member 28 is rotated in the direction of arrow C with the mounting screw 34 as a fulcrum. In this case, since the lock screw 36 is located in the large diameter portion 33b of the dharma hole 33, the lock member 28 can be rotated without causing the edge of the large diameter portion 33b and the lock screw 36 to interfere with each other. . Next, the lock by the first locking means is released by rotating the latch portion 27 to release the hook to the hook portion 26. Thereafter, as shown by a two-dot chain line in FIG. 3, the umbrella member 24 is rotated to the open position, and the lighting fixture 21 is maintained.

In such a configuration, the operation of removing the lock screw 36 from the dharma hole 33 can be performed by rotating the lock member 28 which is a small component compared to the umbrella member 24. For this reason, it is possible to easily remove the lock screw 36 from the dharma hole 33, and reliably prevent the lock screw 36 from interfering with the edge of the large-diameter portion 33b when the umbrella member 24 is rotated to the open position. can do.
(Third embodiment)
A third embodiment of the present invention will be described with reference to FIG. The basic structure of the third embodiment is the same as that of the first embodiment. The third embodiment is different from the first embodiment in the structure of the lock mechanism 29A that constitutes the second lock means for locking the umbrella member 24 in the closed position.

  The lock mechanism 29 </ b> A includes a dharma hole 33 having a small diameter portion 33 a and a large diameter portion 33 b, a magnet 41 fixed to the holding portion 23, and a lock pin 42.

  The lock pin 42 is inserted into an insertion hole 23b formed in the bent portion 23a so as to be slidable in the vertical direction.

  A head 42 a having a diameter larger than that of the small diameter portion 33 a and smaller than that of the large diameter portion 33 b is formed on one end side of the lock pin 42, and a surface area is increased on the other end side of the lock pin 42 to the magnet 41. An adsorbing portion 42b having a higher adsorbing property is formed. Further, a stopper portion 42c having a larger diameter than the insertion hole 23b is formed at a substantially central portion of the lock pin 42. When the lock pin 42 is inserted into the small diameter portion 33 a and the attracting portion 42 b is attracted to the magnet 41, the second bent portion 28 b and the bent portion 23 a are pressed, and the second bent portion 28 b and the lock pin 42 are The head 42a is pressed. Thereby, the lock member 28 and the holding part 23 are fastened and fixed.

  In such a configuration, when the second locking means is unlocked, as shown in FIG. 8A, the attracting portion 42b is pulled downward with the lock pin 42 attracted to the magnet 41, As shown in FIG. 8B, the attracting portion 42b is moved away from the magnet 41. Thereby, the adsorption of the lock pin 42 by the magnet 41 is released, and the tightened state of the second bent portion 28b and the bent portion 23a and the second bent portion 28b and the head portion 42a of the lock pin 42 is released. By releasing the tightened state, the lock member 28 can slide along the longitudinal direction of the long hole 32 and the dharma hole 33. Therefore, the lock member 28 that has become slidable is slid in the direction of arrow B, and the lock pin 42 is positioned within the large-diameter portion 33b of the dharma hole 33, thereby releasing the lock by the second lock means.

  After releasing the lock by the second lock means, as described in the first embodiment, the lock by the first lock means is released.

  And after releasing the lock | rock by a 2nd locking means and the lock | rock by a 1st locking means, the umbrella member 24 is rotated to the open position shown with the dashed-two dotted line in FIG. 3, and the lighting fixture 21 is maintained.

  Here, also in the third embodiment, as in the first embodiment, the umbrella member 24 is configured such that at least a part of the side surface of the umbrella member 24 is located below the lower end portion of the lighting fixture case 22. Is arranged. Therefore, also in the third embodiment, the same operation and effect as those described in the first embodiment due to the fact that the side surface of the umbrella member 24 is located below the lower end portion of the lighting fixture case 22. Play.

In the third embodiment, the umbrella member 24 may be rotatable in the vertical direction perpendicular to the sliding direction, similarly to the second embodiment shown in FIG.
(Fourth embodiment)
A fourth embodiment of the present invention will be described with reference to FIG. The basic structure of the fourth embodiment is the same as that of the first embodiment. The fourth embodiment is different from the first embodiment in the structure of a lock mechanism 29B that constitutes a second lock means for locking the umbrella member 24 in the closed position.

  The lock mechanism 29B includes a dharma hole 33 having a small diameter portion 33a and a large diameter portion 33b, a lock pin 51, and a coil spring 52.

  The lock pin 51 has a head portion 51a having a diameter larger than that of the small diameter portion 33a on one end side and a diameter smaller than that of the large diameter portion 33b, a spring receiving portion 51b on the other end side, and is formed in the bent portion 23a. The insertion hole 23b is slidably inserted in the vertical direction. The spring receiving portion 51 b prevents the coil spring 52 from falling off when the coil spring 52 is mounted around the lock pin 51.

  The coil spring 52 is a member that is interposed between the spring receiving portion 51 b and the bent portion 23 a of the holding portion 23 on the outer periphery of the lock pin 51. When the lock pin 51 having the coil spring 52 attached to the outer periphery is inserted through the small diameter portion 33a, the second bent portion 28b and the bent portion 23a are pressed by the biasing force of the coil spring 52, and the second bent portion The portion 28b and the head 51a of the lock pin 51 are pressed. Thereby, the lock member 28 and the holding part 23 are fastened and fixed.

  In such a configuration, when the lock of the second locking means is released, the lock pin 51 that presses the head 21a against the second bent portion 28b is pulled downward by the biasing force of the coil spring 52, and FIG. As shown in (b), the head 21a is moved away from the second bent portion 28b. Thereby, the tightening state of the second bent portion 28b and the bent portion 23a and the second bent portion 28b and the head 51a of the lock pin 51 is released. By releasing the tightened state, the lock member 28 can slide along the longitudinal direction of the long hole 32 and the dharma hole 33. Therefore, the lock member 28 that has become slidable is slid in the direction of arrow B, and the lock pin 51 is positioned within the large-diameter portion 33b of the dharma hole 33, thereby releasing the lock by the second lock means.

  After releasing the lock by the second lock means, as described in the first embodiment, the lock by the first lock means is released.

  And after releasing the lock | rock by a 2nd locking means and the lock | rock by a 1st locking means, the umbrella member 24 is rotated to the open position shown with the dashed-two dotted line in FIG. 3, and the lighting fixture 21 is maintained.

  Here, also in the fourth embodiment, as in the first embodiment, the umbrella member 24 is such that at least a part of the side surface of the umbrella member 24 is located below the lower end portion of the lighting fixture case 22. Is arranged. Therefore, also in the fourth embodiment, the same operation and effect as those described in the first embodiment due to the fact that the side surface of the umbrella member 24 is located below the lower end portion of the lighting fixture case 22. Play.

  Also in the fourth embodiment, the umbrella member 24 may be rotatable in the vertical direction perpendicular to the sliding direction, similarly to the second embodiment shown in FIG.

15 Cage 21 Lighting fixture 22 Lighting fixture case 24 Umbrella member 25 Hinge 26 Hook portion 27 Latch portion 28 Lock member 29 Lock mechanism 29A Lock mechanism 29B Lock mechanism 33 Dalma hole 33a Small diameter portion 33b Large diameter portion 35 Nut 36 Lock screw 36a Head 41 Magnet 42 Lock pin 42a Head 51 Lock pin 51a Head 51b Spring receiving portion 52 Coil spring

Claims (4)

Lighting fixtures mounted on the ceiling of the cab,
A luminaire case that is attached to the ceiling of the cab and is arranged on the outer peripheral side of the luminaire attached to the ceiling of the cab, and has an opening that exposes the luminaire on the lower side of the luminaire;
One end side is connected to the luminaire case so as to be pivotable in the vertical direction by a hinge, and rotates between a closed position for closing the opening and an open position for opening the opening, and is positioned at the closed position. A translucent umbrella member in which at least a part of the side surface is located below the lower end of the lighting device case, and
A latch portion that is attached to the other end of the umbrella member and is detachably hooked to a hook portion attached to the lighting fixture case when the umbrella member is located at a closed position;
A locking member attached to a side surface on the other end side of the umbrella member;
Said locking member, Bei example and a locking mechanism for locking releasably to the holding portion provided in the cab,
The lock member is slidably mounted in the horizontal direction in the umbrella member located in the closed position,
The lock mechanism includes a dharma hole formed in the lock member and having a small diameter portion and a large diameter portion in a direction along a sliding direction of the lock member, a nut fixed to the holding portion, and the small diameter portion. A head having a large diameter and a diameter smaller than that of the large diameter portion is provided on one end side, and the lock member and the holding portion are inserted when the other end side is screwed into the nut through the small diameter portion. An elevator car interior lighting device comprising: a lock screw for tightening and fixing . Lighting fixtures mounted on the ceiling of the cab,
A luminaire case that is attached to the ceiling of the cab and is arranged on the outer peripheral side of the luminaire attached to the ceiling of the cab, and has an opening that exposes the luminaire on the lower side of the luminaire;
One end side is connected to the luminaire case so as to be pivotable in the vertical direction by a hinge, and rotates between a closed position for closing the opening and an open position for opening the opening, and is positioned at the closed position. A translucent umbrella member in which at least a part of the side surface is located below the lower end of the lighting device case, and
A latch portion that is attached to the other end of the umbrella member and is detachably hooked to a hook portion attached to the lighting fixture case when the umbrella member is located at a closed position;
A locking member attached to a side surface on the other end side of the umbrella member;
A lock mechanism for releasably locking the lock member to a holding portion provided in the cab.
The lock member is slidably mounted in the horizontal direction in the umbrella member located in the closed position,
The lock mechanism includes a dharma hole formed in the lock member and having a small diameter portion and a large diameter portion in a direction along a sliding direction of the lock member, a magnet fixed to the holding portion, and the small diameter portion. A head having a large diameter and a smaller diameter than the large diameter portion is provided on one end side, and the lock member and the holding portion are tightened when the other end side is attracted to the magnet through the small diameter portion. An elevator car interior lighting device comprising a lock pin for fixing . Lighting fixtures mounted on the ceiling of the cab,
A luminaire case that is attached to the ceiling of the cab and is arranged on the outer peripheral side of the luminaire attached to the ceiling of the cab, and has an opening that exposes the luminaire on the lower side of the luminaire;
One end side is connected to the luminaire case so as to be pivotable in the vertical direction by a hinge, and rotates between a closed position for closing the opening and an open position for opening the opening, and is positioned at the closed position. A translucent umbrella member in which at least a part of the side surface is located below the lower end of the lighting device case, and
A latch portion that is attached to the other end of the umbrella member and is detachably hooked to a hook portion attached to the lighting fixture case when the umbrella member is located at a closed position;
A locking member attached to a side surface on the other end side of the umbrella member;
A lock mechanism for releasably locking the lock member to a holding portion provided in the cab.
The lock member is slidably mounted in the horizontal direction in the umbrella member located in the closed position,
The lock mechanism is formed in the lock member and has a dharma hole having a small diameter portion and a large diameter portion in a direction along the sliding direction of the lock member, and has a larger diameter than the small diameter portion and from the large diameter portion. A lock pin having a small-diameter head at one end and a spring receiving portion at the other end, and interposed between the spring receiving portion and the holding portion, and the lock pin is inserted into the small-diameter portion. And a coil spring that urges the lock pin in a direction in which the lock member and the holding portion are fastened and fixed . The elevator car interior lighting device according to any one of claims 1 to 3, wherein the lock member is attached so as to be rotatable in a vertical direction orthogonal to a sliding horizontal direction .

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