JP6300960B2 - Lighting equipment for elevator cab - Google Patents

Description

  The present invention relates to a lighting device for an elevator cab attached to a ceiling plate or a side plate of an elevator cab.

  A ceiling device of a conventional elevator cab is arranged with the upper surface facing the lower surface of the ceiling plate of the cab, and a case in which an opening for illumination is formed on the lower surface, a light source body mounted inside the case, The case where the light source body is mounted is attached to the ceiling plate by screwing a bolt into a nut welded to the ceiling plate from the inside of the cab (see, for example, Patent Document 1).

JP 2003-212454 A

  In a conventional elevator cab ceiling device, when attaching a case, an operator needs to tighten a bolt using a tool while supporting the case, and it is difficult for an operator to attach the case.

  The present invention has been made to solve the above-described problem, and provides an elevator cab lighting device that can be easily attached to a ceiling plate or a side plate of a cab by one worker without using a tool. The purpose is to obtain.

Lighting device for an elevator cab of the invention includes a luminaire, having a first opening, a first surface abutting the mounting surface formed by the inner surface of the lower surface or the side plate of the ceiling plate of the cab , A fixture main body to which the lighting fixture is mounted, a first engagement portion provided in the fixture surface or the fixture main body, and a reciprocating movement in a direction in contact with and away from the fixture surface. A first member having a second engaging portion that is engageable with the first engaging portion through the first opening, and is disposed in the instrument body, and engaging portion is provided with an elastic member for pressing to said mounting surface on the Symbol first surface in engagement with the first engagement portion described above.

  According to this invention, the operator holds the instrument body, brings the first surface closer to the mounting surface, inserts a hand from the second opening, and holds the first member in the direction of accumulating the elastic member. After the first member is moved and the second engaging portion is engaged with the first engaging portion, the hand holding the first member is released. Thereby, the first surface is pressed against the mounting surface by the restoring force of the elastic member, and the lighting body is mounted in a state of being in contact with the mounting surface. Therefore, it is not necessary for the worker to hold the fixture body and fix the fixture body to the mounting surface using a tool, and even one worker can easily attach the lighting device to the ceiling or side plate of the cab. Can be attached.

It is a schematic diagram which shows the elevator cab with which the illuminating device which concerns on Embodiment 1 of this invention was mounted | worn. It is the top view which looked at the illuminating device which concerns on Embodiment 1 of this invention from the back side. It is a partially broken side view which shows the surroundings of the lighting fixture of the illuminating device which concerns on Embodiment 1 of this invention. It is a perspective view explaining the attachment mechanism in the illuminating device which concerns on Embodiment 1 of this invention. It is a side view which shows the state which extended the tension spring in the illuminating device which concerns on Embodiment 1 of this invention. It is a figure explaining the attachment method of the illuminating device which concerns on Embodiment 1 of this invention. It is a figure explaining the attachment method of the illuminating device which concerns on Embodiment 1 of this invention. It is a figure explaining the attachment method of the illuminating device which concerns on Embodiment 1 of this invention. It is a side view which shows the state which shortened the press spring in the illuminating device which concerns on Embodiment 2 of this invention. It is a figure explaining the attachment method of the illuminating device which concerns on Embodiment 2 of this invention. It is a figure explaining the attachment method of the illuminating device which concerns on Embodiment 2 of this invention. It is a figure explaining the attachment method of the illuminating device which concerns on Embodiment 2 of this invention. It is a perspective view explaining the attachment mechanism in the illuminating device which concerns on Embodiment 3 of this invention. It is a perspective view explaining the attachment mechanism in the illuminating device which concerns on Embodiment 4 of this invention.

Embodiment 1 FIG.
FIG. 1 is a schematic view showing an elevator cab equipped with an illumination device according to Embodiment 1 of the present invention, and FIG. 2 is a plan view of the illumination device according to Embodiment 1 of the present invention as seen from the back side. 3 is a partially cutaway side view showing the periphery of the luminaire of the lighting apparatus according to Embodiment 1 of the present invention, FIG. 4 is a perspective view for explaining an attachment mechanism in the lighting apparatus according to Embodiment 1 of the present invention, and FIG. These are the side views which show the state which extended the tension spring in the illuminating device which concerns on Embodiment 1 of this invention, FIG. 6A-FIG. 6C are the figures explaining the attachment method of the illuminating device which concerns on Embodiment 1 of this invention, respectively. is there.

  In FIG. 1, an elevator cab 1 is a car floor 2, a side plate 3 that stands on the car floor 2 and isolates the interior of the cab 1 from the hoistway, and a ceiling that closes the top of the side plate 3. And a plate 4. Furthermore, although not shown in the figure, the car room 1 is an entrance / exit frame that forms an entrance / exit for users to / from the platform, a car door that opens / closes the entrance / exit, and a car operation provided beside the entrance / exit of the side plate 3. A board is provided. Further, the lighting device 10 is attached to the lower surface of the ceiling plate 4.

  As illustrated in FIG. 2, the lighting device 10 includes a fixture main body 11 and a lighting fixture 16 mounted in the fixture main body 11.

  As shown in FIG. 4, the fixture body 11 is provided in a rectangular flat plate-like front plate 12 and vertically from each side of the front plate 12 to the inner surface side of the front plate 12. Is formed in a box shape. Then, the entire back side of the instrument body 11 is opened to form the first opening 14. In addition, a second opening 15 is formed in the front plate 12 for an operator to insert his / her hand when the instrument body 11 is attached / detached. Here, since the 2nd opening part 15 is also used as the opening part for putting in / out the lighting fixture 16, it is formed in the front plate 12 two. Moreover, the back surface of the instrument main body 11 is the first surface, and the front surface of the instrument main body 11, that is, the front surface of the front plate 12 is the second surface.

  As shown in FIG. 3, the lighting fixture 16 is made of a casing 17 in which a light source body such as a fluorescent lamp is housed and a light-transmitting plate material such as synthetic resin, and is integrally formed on the front surface of the casing 17. When the luminaire 18 is attached to the housing 17 and the luminaire 16 is mounted on the fixture body 11, the front plate 12 is sandwiched between the luminaire 18 and the luminaire 16 is rattling or falling. A locking claw 19 for preventing the power supply and a power cord 20 are provided.

  Next, the attachment mechanism of the illumination device 10 will be described with reference to FIGS.

  The receiving tool 22 is produced, for example, by bending a rectangular flat steel material. The receiving part 22a as a first engaging part, and a direction perpendicular to the receiving part 22a from both side parts of the receiving part 22a. And a pair of side wall portions 22b projecting in the same direction, and a pair of mounting portions 22c projecting in a direction perpendicular to the side wall portion 22b from the projecting ends of the pair of side wall portions 22b and away from each other. . The receiver 22 is attached to the lower surface of the ceiling plate 4 by fixing the pair of attachment portions 22 c to the ceiling plate 4 with bolts 23 and nuts 24.

  The fixture 25 as the first member is produced, for example, by bending a rectangular plate-shaped steel material, and is connected to the connecting portion 25a from both sides of the connecting portion 25a in a direction perpendicular to the connecting portion 25a, and A base portion 25b protruding in the same direction and a hook portion 25c as a second engaging portion. And the protrusion length of the hook part 25c is longer than the protrusion length of the base part 25b. The fixture 25 is disposed in the instrument main body 11 through a shaft member 26 that stands vertically to the inner surface of the front plate 12 through a through hole (not shown) formed in the base portion 25b. A tension spring 27 as an elastic member is disposed between the front plate 12 and the base portion 25b with one end fixed to the front plate 12 and the other end fixed to the base portion 25b. Further, a stopper 28 as a second member is attached to the protruding end side of the shaft member 26.

  Here, the attachment tool 25 can reciprocate in the length direction of the shaft member 26, and is located at the normal position when the tension spring 27 has a substantially natural length. Then, the attachment 25 abuts against the stopper 28 and is prevented from coming off from the shaft member 26. Further, when the fixture 25 is located at the normal position, the base portion 25 b is drawn toward the front plate 12 side by the restoring force of the tension spring 27 and is separated from the stopper 28.

  Next, a method for attaching the illumination device 10 will be described with reference to FIGS. 6A to 6B.

  First, in the car room 1, the worker goes up to the stepladder with the support 22 and uses a tool to fix the pair of attachment portions 22 c to the ceiling plate 4 with bolts 23 and nuts 24. It is attached to the lower surface of the ceiling board 4.

  Next, the operator goes up to the stepladder by holding the instrument body 11 in which the fixture 25, the shaft member 26, the tension spring 27, etc. are assembled in advance, and inserts a hand into the instrument body 11 from the second opening 15 to connect the instrument. With the portion 25 a, the tension spring 27 is extended until the base portion 25 b comes into contact with the stopper 28. Thereby, the hook part 22c protrudes from the instrument main body 11 to the back surface side. Therefore, the operator brings the back side of the instrument body 11 closer to the ceiling plate 4 as shown in FIG. 6A. Next, the operator moves the instrument main body 11 in the horizontal direction, and inserts the hook portion 25c into the receiving tool 22 until the connecting portion 25a contacts the receiving portion 22a, as shown in FIG. 6B. Next, the worker releases the hand holding the connecting portion 25a. Therefore, the attachment 25 is pulled back to the front plate 12 side by the restoring force of the tension spring 27 that has been stretched. When the hook portion 25 c comes into contact with the receiving portion 22 a, the instrument main body 11 is pulled toward the ceiling plate 4 by the restoring force of the pull spring 27. As a result, as shown in FIG. 6C, the instrument body 11 is pressed against the lower surface of the ceiling plate 4 by the restoring force of the tension spring 27 and is held in contact with the lower surface of the ceiling plate 4. It is attached to the plate 4.

  Next, the worker goes up on a stepladder with the lighting fixture 16, inserts the power cord 20 from the second opening 15, and plugs it into a power terminal (not shown) provided on the ceiling plate 4. Next, the housing 17 is inserted into the instrument main body 11 through the second opening 15, and the front panel 12 is held between the illumination plate 18 and the locking claws 19, so that the illumination instrument 16 is attached to the instrument main body 11. Thereby, attachment of the illuminating device 10 is completed.

In addition, the illuminating device 10 can be removed by the procedure reverse to the attachment procedure of the illuminating device 10 mentioned above.
In addition, the natural length of the tension spring 27 is a length that can generate a restoring force sufficient to press the back surface of the fixture body 11 on which the lighting fixture 16 is attached to the lower surface of the ceiling plate 4, that is, to come into contact therewith. Is set.

  According to the first embodiment, the receiver 22 is attached to the lower surface of the ceiling board 4. An attachment tool 25 is attached to the front plate 12 so that the base portion 25b faces the front plate 12 and can reciprocate in a direction perpendicular to the inner surface of the front plate 12. A tension spring 27 is disposed between the base portion 25 b and the inner surface of the front plate 12. Further, a second opening 15 is formed in the front plate 12. Therefore, a hand is inserted from the second opening 15, the attachment spring 25 is held and the pulling spring 27 is extended, and the hook 25 c of the attachment 25 is protruded from the instrument body 11 to the back side. Then, the instrument body 11 is moved in parallel by bringing the back surface side closer to the lower surface of the ceiling plate 4, and the hook portion 25 c protruding from the instrument body 11 to the back surface side is inserted into the receiving tool 22, and then the attachment tool 25 is held. Release your hand. As a result, the restoring force stored by being stretched is released, the hook portion 25 c comes into contact with the receiving portion 22 a of the receiving tool 22, and then the instrument body 11 is pressed against the lower surface of the ceiling plate 4. Thereby, the instrument main body 11 is attached to the ceiling board 4 while maintaining a state in which the back surface is in contact with the lower surface of the ceiling board 4.

  Therefore, the operator does not have to perform a complicated operation of attaching the instrument main body 11 to the ceiling plate 4 using a tool such as a driver while holding the bulky and heavy instrument main body 11. Therefore, even one worker can easily attach the lighting device 10 to the ceiling plate 4.

  The instrument main body 11 is attached to the ceiling board 4 while maintaining the state where the back surface is in contact with the lower surface of the ceiling board 4, and there is no gap between the instrument main body 11 and the ceiling board 4. Compared to a case where there is a gap between the ceiling plate 4 and the ceiling plate 4, it is possible to reduce the risk of the lighting device 10 falling when an earthquake occurs, and to realize excellent earthquake resistance.

  When the instrument main body 11 is attached to the ceiling plate 4, the receiving tool 22, the attachment tool 25, and the like are accommodated in the instrument main body 11, so that excellent design can be realized.

  In the first embodiment, the appliance main body is attached so as to contact the lower surface of the ceiling board. However, the appliance main body may be attached so as to contact the inner surface of the side plate of the cab. In this case, the back surface of the instrument body is closed by the back plate, and one side plate among the four side plates is omitted to form the first opening. The surface from which the side plate is omitted becomes the first surface.

Embodiment 2. FIG.
FIG. 7 is a side view showing a state in which the push spring is contracted in the lighting apparatus according to Embodiment 2 of the present invention, and FIGS. 8A to 8C each illustrate a method for attaching the lighting apparatus according to Embodiment 2 of the present invention. FIG.

In FIG. 7, the mounting tool 25 is disposed on the instrument body 11 through a shaft member 26 that stands vertically to the inner surface of the front plate 12 through a through hole (not shown) formed in the base 25 b. A push spring 29 as an elastic member is disposed between the front plate 12 and the base portion 25b in a state of being shortened from the natural length.
Here, the fixture 25 can reciprocate in the length direction of the shaft member 26. Further, the mounting tool 25 is disposed in the instrument main body 11 with the base 25 b pressed against the front plate 12 by the restoring force of the pressing spring 29.
Other configurations are the same as those in the first embodiment.

  In order to attach the lighting device according to the second embodiment to the ceiling board 4, first, the operator goes up the stepladder with the support 22 in the cab 1, and uses a tool to attach the pair of attachment portions 22c to the bolts. 23 and nuts 24 are fixed to the ceiling plate 4, and the receiver 22 is attached to the lower surface of the ceiling plate 4.

  Next, the operator goes up to the stepladder by holding the instrument body 11 in which the fixture 25, the shaft member 26, the push spring 29, etc. are assembled in advance, and inserts his hand into the instrument body 11 from the second opening 15 and connects them. With the portion 25a, the push spring 29 is contracted so that the hook portion 25c protrudes to the back side of the instrument body 11. Therefore, the worker brings the back side of the instrument body 11 closer to the ceiling plate 4 as shown in FIG. 8A. Next, the operator moves the instrument body 11 in the horizontal direction and inserts the hook portion 25c into the receiving tool 22 until the connecting portion 25a comes into contact with the receiving portion 22a, as shown in FIG. 8B. Next, the worker releases the hand holding the connecting portion 25a. Therefore, the attachment 25 is pushed back to the front plate 12 side by the restoring force of the reduced compression spring 29. When the hook portion 25 c comes into contact with the receiving portion 22 a, the instrument main body 11 is drawn toward the ceiling plate 4 by the restoring force of the push spring 29. As a result, as shown in FIG. 8C, the instrument body 11 is pressed against the lower surface of the ceiling plate 4 by the restoring force of the pressing spring 29 and is held in contact with the lower surface of the ceiling plate 4. It is attached to the plate 4.

  Next, the worker goes up on a stepladder with the lighting fixture 16, inserts the power cord 20 from the second opening 15, and plugs it into a power terminal (not shown) provided on the ceiling plate 4. Next, the housing 17 is inserted into the instrument main body 11 through the second opening 15, and the front panel 12 is held between the illumination plate 18 and the locking claws 19, so that the illumination instrument 16 is attached to the instrument main body 11. Thereby, attachment of an illuminating device is completed.

The lighting device can be removed by a procedure reverse to the procedure for mounting the lighting device described above.
In addition, the natural length of the push spring 29 is a length that can generate a restoring force sufficient to press the back surface of the fixture body 11 on which the lighting fixture 16 is mounted to the lower surface of the ceiling plate 4, that is, to contact the lower surface. Is set.

  As described above, in the second embodiment, the operator does not need to perform a complicated operation of attaching the instrument main body 11 to the ceiling plate 4 using the tool while holding the instrument main body 11. Further, the fixture body 11 is attached to the ceiling plate 4 while maintaining the state where the back surface is in contact with the lower surface of the ceiling plate 4, and there is no gap between the fixture body 11 and the ceiling plate 4. Furthermore, when the instrument main body 11 is attached to the ceiling board 4, the receiving tool 22, the attachment tool 25 and the like are stored in the instrument main body 11. Therefore, the effect can be obtained in the second embodiment as in the first embodiment.

  In the second embodiment, the appliance main body is attached so as to contact the lower surface of the ceiling board. However, the appliance main body may be attached so as to contact the inner surface of the side plate of the cab. In this case, the back surface of the instrument body is closed by the back plate, and one side plate among the four side plates is omitted to form the first opening. The surface from which the side plate is omitted becomes the first surface.

Embodiment 3 FIG.
FIG. 9 is a perspective view for explaining an attachment mechanism in the lighting apparatus according to Embodiment 3 of the present invention.

  In FIG. 9, the receiver 22 is attached to the instrument body 11 with a pair of attachment portions 22 c fixed to the inner surface of the front plate 12.

  Although not shown in the drawings, the attachment 25 is disposed on the ceiling plate 4 through a shaft member 26 erected perpendicularly to the lower surface of the ceiling plate 4 in a through hole formed in the base portion 25b. The tension spring 27 is disposed between the ceiling plate 4 and the base portion 25b with one end fixed to the ceiling plate 4 and the other end fixed to the base portion 25b. Further, the stopper 28 is attached to the protruding end side of the shaft member 26.

Here, the attachment tool 25 can reciprocate in the length direction of the shaft member 26, and is located at the normal position when the tension spring 27 is substantially natural. Then, the attachment 25 abuts against the stopper 28 and is prevented from coming off from the shaft member 26. Further, when the fixture 25 is located at the normal position, the base portion 25 b is attracted toward the ceiling plate 4 by the restoring force of the tension spring 27 and is separated from the stopper 28.
Other configurations are the same as those in the first embodiment.

  Next, a method of attaching the lighting device according to Embodiment 3 to the ceiling board 4 will be described. Here, the receiver 22 is attached to the inner surface of the front plate 12 of the instrument body 11 in advance. Further, the attachment tool 25, the tension spring 27, and the stopper 28 are assembled in advance to the shaft member 26.

  First, in the car room 1, an operator holds the shaft member 26 to which the mounting tool 25, the pulling spring 27 and the stopper 28 are assembled, and goes up to the stepladder, and attaches the shaft member 26 to the lower surface of the ceiling plate 4 vertically. One end of the tension spring 27 is fixed to the ceiling plate 4.

Next, the operator goes up to the stepladder while holding the instrument main body 11, inserts his hand into the instrument main body 11 through the second opening 15, and extends the tension spring 27 with the connecting portion 25 a. Therefore, the operator brings the back side of the appliance main body 11 closer to the ceiling plate 4. Next, the operator moves the instrument main body 11 in the horizontal direction and inserts the hook portion 25c into the receiving tool 22 until the connecting portion 25a contacts the receiving portion 22a. Next, the worker releases the hand holding the connecting portion 25a. Therefore, the fixture 25 is pulled back to the ceiling plate 4 side by the restoring force of the tension spring 27 that has been stretched. When the hook portion 25 c comes into contact with the receiving portion 22 a, the instrument main body 11 is pulled toward the ceiling plate 4 by the restoring force of the pull spring 27. As a result, the instrument body 11 is attached to the ceiling plate 4 while the back surface thereof is pressed against the lower surface of the ceiling plate 4 by the restoring force of the tension spring 27 and is held in contact with the lower surface of the ceiling plate 4.

  Next, the worker goes up on a stepladder with the lighting fixture 16, inserts the power cord 20 from the second opening 15, and plugs it into a power terminal (not shown) provided on the ceiling plate 4. Next, the housing 17 is inserted into the instrument main body 11 through the second opening 15, and the front panel 12 is held between the illumination plate 18 and the locking claws 19, so that the illumination instrument 16 is attached to the instrument main body 11. Thereby, attachment of an illuminating device is completed.

The lighting device can be removed by a procedure reverse to the procedure for mounting the lighting device described above.
In addition, the natural length of the tension spring 27 is a length that can generate a restoring force sufficient to press the back surface of the fixture body 11 on which the lighting fixture 16 is attached to the lower surface of the ceiling plate 4, that is, to come into contact therewith. Is set.

  As described above, in the third embodiment, the operator does not need to perform a complicated operation of attaching the instrument main body 11 to the ceiling plate 4 using the tool while holding the instrument main body 11. Further, the fixture body 11 is attached to the ceiling plate 4 while maintaining the state where the back surface is in contact with the lower surface of the ceiling plate 4, and there is no gap between the fixture body 11 and the ceiling plate 4. Furthermore, when the instrument main body 11 is attached to the ceiling board 4, the receiving tool 22, the attachment tool 25 and the like are stored in the instrument main body 11. Therefore, the effect can be obtained in the third embodiment as well as the first embodiment.

  In the third embodiment, in the lighting device in the first embodiment, the receiver is attached to the front plate of the fixture body, and the fixture is attached to the ceiling plate. In the lighting device in the second embodiment, The same effect can be obtained by attaching the receiver to the front plate of the instrument body and attaching the fixture to the ceiling plate.

Embodiment 4 FIG.
FIG. 10 is a perspective view for explaining an attachment mechanism in an illumination apparatus according to Embodiment 4 of the present invention.

In FIG. 10, the third opening 30 is formed in the ceiling plate 4, and the receiving tool 22 is omitted. And the peripheral part 4a of the 3rd opening part 30 of the ceiling board 4 becomes a 1st engaging part.
Other configurations are the same as those in the first embodiment.

  In order to attach the lighting device according to the fourth embodiment to the ceiling plate 4, the operator goes up to the stepladder with the instrument body 11 in which the fixture 25, the shaft member 26, the tension spring 27, etc. are assembled in advance. A hand is inserted into the instrument body 11 from the opening 15, and the tension spring 27 is extended with the connecting portion 25 a until the base portion 25 b comes into contact with the stopper 28. Thereby, the hook part 22c protrudes from the instrument main body 11 to the back surface side. Therefore, the operator brings the back surface side of the instrument main body 11 close to the ceiling plate 4 and inserts the hook portion 22 c into the third opening 30. Next, the operator moves the instrument main body 11 in the horizontal direction until the connecting portion 25 a comes into contact with the edge of the third opening 30. Next, the worker releases the hand holding the connecting portion 25a. Therefore, the attachment 25 is pulled back to the front plate 12 side by the restoring force of the tension spring 27 that has been stretched. When the hook portion 25 c comes into contact with the peripheral edge portion 4 a of the third opening 30 of the ceiling plate 4, the instrument main body 11 is pulled toward the ceiling plate 4 side by the restoring force of the pull spring 27. As a result, the instrument body 11 is attached to the ceiling plate 4 while the back surface thereof is pressed against the lower surface of the ceiling plate 4 by the restoring force of the tension spring 27 and is held in contact with the lower surface of the ceiling plate 4.

  Next, the worker goes up on a stepladder with the lighting fixture 16, inserts the power cord 20 from the second opening 15, and plugs it into a power terminal (not shown) provided on the ceiling plate 4. Next, the housing 17 is inserted into the instrument main body 11 through the second opening 15, and the front panel 12 is held between the illumination plate 18 and the locking claws 19, so that the illumination instrument 16 is attached to the instrument main body 11. Thereby, attachment of an illuminating device is completed.

The lighting device can be removed by a procedure reverse to the procedure for mounting the lighting device described above.
In addition, the natural length of the tension spring 27 is a length that can generate a restoring force sufficient to press the back surface of the fixture body 11 on which the lighting fixture 16 is attached to the lower surface of the ceiling plate 4, that is, to come into contact therewith. Is set.

As described above, in the fourth embodiment, the operator does not need to perform a complicated operation of attaching the instrument main body 11 to the ceiling plate 4 using the tool while holding the instrument main body 11. Further, the fixture body 11 is attached to the ceiling plate 4 while maintaining the state where the back surface is in contact with the lower surface of the ceiling plate 4, and there is no gap between the fixture body 11 and the ceiling plate 4. Furthermore, when the appliance main body 11 is attached to the ceiling board 4, the third opening 30 and the attachment tool 25 are accommodated in the appliance main body 11. Therefore, the effect can be obtained in the fourth embodiment as well as the first embodiment.
Further, according to the fourth embodiment, the receiver 22 is not necessary, the number of parts can be reduced, and the mounting work of the receiver 22 is not required, so that the lighting device can be attached to the ceiling plate 4 more easily. .

  In the fourth embodiment, in the lighting device in the first embodiment, the third opening is formed in the ceiling plate and the support is omitted, but in the lighting device in the second embodiment, Even if the third opening is formed in the ceiling plate and the support is omitted, the same effect can be obtained.

In each of the above embodiments, the entire back surface side of the instrument body is open. However, the back surface of the instrument body is closed with a back plate, and the first engagement portion and the second engagement unit are attached and detached when the instrument body is attached or detached. A first opening having a size necessary for the engagement operation and the engagement release operation with the engagement portion may be formed in the back plate.
In each of the above embodiments, the receiving part and the mounting tool are produced by bending a steel plate. However, the receiving part and the mounting tool do not need to be made of metal, and a desired mechanical strength can be obtained. For example, it may be made of resin.

Claims (6)

Lighting equipment,
Has a first opening, the inner surface of the lower surface or the side plate of the ceiling plate of the car chamber comprises a first surface in contact with the mounting surface configured, the fixture main body the luminaire is mounted,
A first engagement portion provided in the attachment surface or the instrument body;
A second engaging portion that is disposed in the instrument main body so as to be reciprocally movable in a direction of contact with and away from the mounting surface, and is engageable with the first engaging portion through the first opening ; A first member having;
Disposed within the instrument body, an elevator and a resilient member for pressing to said mounting surface on the Symbol first surface in a state where the second engagement portion is engaged with the first engaging portion above A lighting device for the cab. The lighting device for an elevator cab according to claim 1, wherein the appliance main body has a second opening and a second surface different from the first surface. The elastic member is a pulling spring disposed between said between said mounting surface of the equipment main body and the opposite inner surface and the first part material, or the mounting surface and the first part material The lighting device for an elevator cab according to claim 1 or 2 . The second member is disposed in a position spaced above the first part material or al the first engagement portion,
The elastic member, said claim 1 or claim 2 illumination device for an elevator cab, wherein the disposed a spring loaded between the first portion member and the second member. The elevator car according to any one of claims 1 to 4 , wherein the first engaging portion is spaced apart from the mounting surface or an inner surface of the appliance body that faces the mounting surface. Room lighting equipment. A third opening is formed in the mounting surface;
The lighting device for an elevator cab according to any one of claims 1 to 4 , wherein a peripheral edge portion of the third opening portion of the ceiling plate or the side plate constitutes the first engagement portion.

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