JP2012028037A - Lighting fixture and installation method of lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture capable of improving designability and reducing a shadow part as well, and provide an installation method of the lighting fixture.SOLUTION: The lighting fixture 10 is of an embedded type in which the fixture is installed into a fixing hole 12 arranged in a ceiling material 11 composed of a finishing material 14 and a throw-away pasted material 13, and is provided with a reflection plate 21 to be installed at a lower part of a metal fitting 30 fixed firm to a structural member on the rear side of the ceiling material 11 and a lamp 22 to be installed in the inner side of the reflection plate 21. The fixing hole 12 has an edge end face 131 of the throw-away pasted material 13 on the upper side projecting further than the end edge face 141 of the finishing material 14 on the lower side, and has an inclined face 214 arranged on the lower end part of the reflection plate 21 reaching up to the outside of the fixing hole 12 to cover and hide the end edge face 131 of the throw-away pasted material 13 and the end edge face 141 of the finishing material 14, and thereby designability can be improved. Further, since the lower end part of the reflection plate 21 is arranged to be an inclined face 214, shadows created hitherto by the end edge part of the reflection plate 21 can be prevented.

Description

  The present invention relates to an embedded lighting fixture that is attached to a mounting hole provided in a ceiling, and a method for installing the lighting fixture.

2. Description of the Related Art Conventionally, an embedded lighting fixture that is attached to a mounting hole provided in a ceiling is known (see, for example, Patent Document 1).
As shown in FIG. 8, the luminaire 100 described in Patent Literature 1 is attached to an attachment hole 102 provided in the ceiling 101. On the ceiling 101, for example, a C channel 104 as a structural member is suspended and supported by anchor bolts 103 placed on the floor of an upper floor, and an M bar receiving metal fitting 105 is attached to the C channel 104. The ceiling 101 is attached to the M bar 106.

The ceiling 101 includes a ceiling foundation board 107 and a ceiling finishing board 108 attached to the lower surface of the ceiling foundation board 107. The mounting hole 102 is provided by cutting out the ceiling base board 107 and the ceiling finishing board 108.
The luminaire 100 has a luminaire main body 109, and the luminaire main body 109 is supported by a hanger 110 by being suspended by a fixture 111 attached to the C channel 104. The lighting fixture body 109 is provided with a pair of sockets 112, and a fluorescent lamp 113 supported at both ends by the socket 112 is provided as a light source.

Japanese Patent Laying-Open No. 2003-68132 (FIG. 2)

  However, in the lighting fixture 100 described in Patent Document 1 described above, the edge 114 of the lighting fixture main body 109 is exposed on the lower surface of the ceiling 101, and the shadow of the fluorescent lamp 113 is blocked to produce a shadow portion. Since the part 114 protrudes from the ceiling 101, there was a problem that it was not preferable in design.

  The present invention has been made to solve the conventional problems, and it is an object of the present invention to provide a lighting apparatus and a method for constructing the lighting apparatus that can improve the design and reduce shadowed portions.

  The lighting fixture of the present invention has a ceiling member in which the edge surface of the pasting material protrudes in a step shape from the edge surface of the finishing material in the mounting hole, and is attached to a structural member on the back side of the ceiling material, The reflector includes a reflector attached below the mounting bracket and a lamp attached to the inside of the reflector, and the lower end of the reflector is provided with an inclined surface that is inclined downward and the lower end of the inclined surface is attached. It reaches the lower end of the hole.

  Moreover, the lighting fixture of this invention is bent so that the front end surface of the reflecting plate may be abutted against the lower surface of the edge portion of the discarded paste material.

  Furthermore, the lighting fixture of this invention has a structure where a reflecting plate receives the edge part lower surface of a finishing material.

  Furthermore, the construction method of the lighting fixture of the present invention includes a step of fixing the mounting bracket to the structural member that supports the ceiling material, a step of fixing the throwing material with the mounting hole of the lighting fixture opened to the structural member, and the lighting fixture. A step of fixing the reflector to the mounting bracket, a step of applying a finishing material having an edge surface protruding stepwise from the edge surface of the discarded paste material, and a step of fixing the lamp to the reflector It is.

  In the mounting hole in which the edge surface of the discarding material on the upper side of the ceiling material protrudes from the edge surface of the finishing material on the lower side, the present invention is inclined at the lower end of the reflector of the lighting fixture. Since the surface reaches the outside of the mounting hole and covers the edge surface of the discarded sticking material and the edge surface of the finishing material, the design can be improved. Moreover, since the lower end part of a reflecting plate becomes an inclined surface, the lighting fixture which has the effect that the shadow produced by the lower end part of a reflecting plate like the past can be prevented, and the construction method of a lighting fixture can be provided.

The disassembled perspective view which shows the lighting fixture and attachment site | part of 1st Embodiment which concern on this invention. The whole perspective view which looked at the lighting fixture of 1st Embodiment which concerns on this invention from the irradiation direction opposite side The partially broken perspective view which shows the state which attached the lighting fixture of 1st Embodiment which concerns on this invention to the ceiling material Sectional drawing which shows the shape of the reflecting plate attached to the mounting hole of the ceiling material (A)-(F) is a perspective view which shows the process of the construction method of a lighting fixture Sectional drawing which shows the shape of the reflecting plate of the lighting fixture of 2nd Embodiment attached to the attachment hole of the ceiling material Sectional drawing which shows the shape of the modification of the reflecting plate of the lighting fixture of 2nd Embodiment attached to the attachment hole of ceiling material Sectional view of a conventional lighting fixture embedded in the ceiling

(First embodiment)
Hereinafter, the construction of the lighting fixture and the lighting fixture according to the first embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, a lighting fixture 10 according to an embodiment of the present invention is an embedded type that is used by being embedded in a mounting hole 12 provided in a ceiling material 11. The ceiling material 11 has a discarding material 13 supported by an upper structural member (not shown) and a finishing material 14 attached to the lower surface of the discarding material 13. Therefore, the mounting hole 12 is composed of an opening 133 of the discarding material 13 and an opening 143 of the finishing material 14. In the mounting hole 12, the edge end surface 131 of the pasting material 13 protrudes stepwise from the edge end surface 141 of the finishing material 14 (see FIG. 4).

  As shown in FIGS. 1 and 2, the luminaire 10 is for mounting whose upper end is fixed to a structural member (not shown) on the back side (upper side in FIGS. 1 and 2) that is opposite to the irradiation direction of the ceiling material 11. A mounting bracket 30 is attached to the lower end of the mounting bolt 31 to lock the instrument body 20 to be described later.

  As shown in FIG. 3, the mounting bracket 30 has an overall U-shape in which a lower portion including an upper plate 32 and a pair of opposing side plates 33 and 34 is opened. The upper plate 32 extends longer than the side plates 33 and 34 toward the center in the longitudinal direction of the lighting fixture 10, and has a through hole 35 that is locked by the mounting bolt 31 in this portion. A cutout 36 for a lamp mounting spring 23 described later is provided at the outer end in the longitudinal direction of the upper plate 32. A lower end portion of each side plate 33, 34 is bent outward to form a locking portion 38. Both side plates 33, 34 are closer to each other than vertically below, that is, each locking portion 38 is closer. Is being energized.

  Further, an overall U-shaped presser plate 37 that is open upward and includes a bottom plate 371 and a pair of side plates 372 and 373 is attached to the outer end portion in the longitudinal direction inside the mounting bracket 30. The side plates 372 and 373 of the holding plate 37 are fixed to the inner surfaces of the side plates 33 and 34 of the mounting bracket 30. Further, the bottom plate 371 of the presser plate 37 is provided with a notch 374 for the lamp mounting spring 23.

As shown in FIGS. 1 and 3, the instrument main body 20 includes a reflecting plate 21 and a lamp 22 mounted inside the reflecting plate 21.
As shown in FIGS. 3 and 4, the reflecting plate 21 is held inside the mounting bracket 30, has a top plate 211 and a pair of opposing side plates 212 and 213, and has a cross section opened downward. It is a U-shaped elongated member. The width of the top plate 211, that is, the distance between the side plates 212 and 213 is slightly smaller than the distance between the side plates 33 and 34 of the mounting bracket 30. Therefore, when the reflecting plate 21 is pushed between the both side plates 33 and 34 of the mounting bracket 30, it is held by the urging force of the both side plates 33 and 34.
At both ends in the longitudinal direction of the top plate 211, locking holes 217 for locking the lamp mounting springs 23 protruding upward from the lamp 22 are provided. The locking hole 217 is located below the notch 374 provided in the holding plate 37 of the mounting bracket 30.

Further, the lower ends of the side plates 212 and 213 each have an inclined surface 214 inclined outward and downward, and the distal end portion 215 is bent upward, and the distal end surface 216 is disposed in the attached state of the discarded adhesive material 13. It abuts on the edge end lower surface 132. The lower end 218 of the inclined surface 214 reaches the lower end portion of the mounting hole 12, that is, the lower surface 142 of the finishing material 14. It is desirable for the inclined surface 214 to have an angle along the illumination light emitted from the lamp 22. At least, the illumination light is irradiated to the upper end of the inclined surface 214 so that the inclined surface 214 and the lower end 218 do not become shadows.
On the top plate 211 of the reflection plate 21, a power supply block 26 for lighting the LED package 24 as a light source is provided (see FIG. 1).

As shown in FIGS. 1 and 3, the lamp 22 is an elongated box-shaped member having a rectangular cross section made of resin, and inside the LED package 24 as a plurality of light sources are provided downward at predetermined intervals in the longitudinal direction. It has been. On the upper surface of the lamp 22, a lamp mounting spring 23 for mounting the lamp 22 to the reflecting plate 21 is provided. The lamp mounting spring 23 has a pair of arms 231 and 231, and both the arms 231 and 231 are urged away from each other. The ends of the arms 231 and 231 are bent in a ring shape, and a locking portion 232 is provided.
Note that louvers 25 in the vertical direction are provided in parallel at a predetermined interval on the lower surface of the lamp 22 that is the front (that is, lower) in the irradiation direction of the LED package 24.

Therefore, when the lamp 22 is attached to the reflecting plate 21, the locking portions 232 of the arms 231 and 231 of the lamp mounting spring 23 are pinched with a finger in the direction of approaching and elastically deformed. It passes through the blind hole 217 and the notch 374 of the mounting bracket 30. Thereafter, when the finger is released, the lamp 22 is attached to the reflecting plate 21 by the elastic force of the arm 231.
Further, when removing the lamp 22 from the reflecting plate 21, the lamp 22 is moved downward until the locking portion 232 of the lamp mounting spring 23 is locked in the locking hole 217 of the reflecting plate 21 and the notch 374 of the mounting bracket 30. Pull down and lock once. Thereafter, the arm 231 of the lamp mounting spring 23 is pinched with a finger to bring the both locking portions 232 closer to each other and pulled out from the locking hole 217 of the reflecting plate 21 and the notch 374 of the mounting bracket 30.

Next, the construction method of the lighting fixture concerning this invention is demonstrated.
As shown in FIG. 5A, a mounting bolt 31 having an upper end attached to a structural member (not shown) that supports the ceiling material 11 is provided in advance. As shown in FIG. 5B, the lower end portion of the mounting bolt 31 is inserted into the through hole 35 of the mounting bracket 30 and fixed with a nut 311.
Next, as shown in FIG. 5C, the discarding paste 13 is attached to the structural member. At this time, the mounting bracket 30 is inserted into the opening 133 of the discarding paste 13, and the locking portion 38 provided at the lower ends of the side plates 33, 34 moves the outer periphery of the opening 133 of the discarding paste 13 from below. Try to support it.

  Next, as shown in FIG. 5D, the reflecting plate 21 is inserted from below the mounting bracket 30, and the reflecting plate 21 is held by the urging force of the side plates 33 and 34 of the mounting bracket 30. At this time, the top plate 211 of the reflecting plate 21 is pushed in until it comes into contact with the pressing plate 37 of the mounting bracket 30. When the reflection plate 21 is attached to the attachment fitting 30 in this way, the finishing material 14 is discarded and attached to the lower surface 132 of the edge portion of the attachment material 13 as shown in FIG. At this time, the edge surface 141 of the finishing material 14 protrudes in a step shape into the mounting hole 12 rather than the edge surface 131 of the discarding paste 13 (see FIG. 4).

  Then, as shown in FIG. 5 (F) and FIG. 3, the lamp 22 is accommodated in the reflection plate 21. In other words, the locking portions 232 of the pair of arms 231 and 231 of the lamp mounting spring 23 are pinched with a finger in the approaching direction to be elastically deformed, and the locking holes 217 of the reflection plate 21 and the notches 374 of the mounting bracket 30 from the locking portions 232. Pass through. When the finger is released, the lamp 22 is attached to the reflecting plate 21 by the elastic force of the arm 231.

  In this state, the locking portion 232 of the lamp mounting spring 23 is locked in the locking hole 217 of the reflecting plate 21 and the notch 374 of the mounting bracket 30, so that the lamp 22 is temporarily held. Finally, when the lamp 22 is further pushed into the reflecting plate 21, the reflecting plate 21 and the pressing plate 37 are pushed downward and held by the pair of arms 231 that are biased away from each other.

  Moreover, the lamp 22 can be removed from the reflecting plate 21 or the reflecting plate 21 can be removed from the mounting bracket 30 by performing the above-described process in reverse.

As mentioned above, according to the lighting fixture of 1st Embodiment which concerns on this invention demonstrated, the lighting fixture 10 is used by attaching to the attachment hole 12 provided in the ceiling material 11 which consists of the finishing material 14 and the discarding paste material 13. FIG. It is an embedded type, and includes a reflector 21 that is attached to the lower side of a mounting bracket 30 that is fixed to a structural member on the back side of the ceiling member 11, and a lamp 22 that is attached to the inside of the reflector 21. In the mounting hole 12, the edge end surface 131 of the discarding material 13 on the upper side protrudes from the edge end surface 141 of the finishing material 14 on the lower side, but the inclined surface 214 provided at the lower end of the reflecting plate 21. However, since it reaches the outer side of the attachment hole 12 and covers the edge surface 131 of the discarding material 13 and the edge surface 141 of the finishing material 14, the design can be improved.
Moreover, since the lower end part of the reflecting plate 21 is the inclined surface 214, the shadow produced by the lower end part of the reflecting plate 21 like the past can be prevented.

  Moreover, since the lower end part of the reflecting plate 21 is bent and the front end surface 216 is abutted against the lower surface 132 of the edge end part of the discarded paste member 13, it is possible to prevent the reflecting plate 21 from protruding from the ceiling material 11. Can be improved. Moreover, since the edge end surface 131 of the discarding paste 13 is supported from the lower side, it is possible to prevent the discarding paste 13 from being bent downward.

Moreover, according to the construction method of the lighting fixture of 1st Embodiment which concerns on this invention, the mounting bracket 30 is fixed to the structural member which supports the ceiling material 11, and the discarding paste 13 with which the attachment hole 12 of the lighting fixture 10 was opened. Is fixed to the structural member, the reflector 21 of the lighting fixture 10 is fixed to the mounting bracket 30, and the finishing material 14 having the edge surface 141 projecting stepwise from the edge surface 131 of the discarded paste 13 is applied. The lamp 22 is fixed to the reflecting plate 21.
For this reason, the narrow embedded lighting fixture 10 can be easily attached to the ceiling material 11, and the inclined surface 214 provided at the lower end portion of the reflecting plate 21 has the edge surface 131 of the throwing paste material 13. And since the edge surface 141 of the finishing material 14 is covered, the designability can be improved.
Moreover, since the lower end part of the reflecting plate 21 is the inclined surface 214, the shadow produced by the lower end part of the reflecting plate 21 like the past can be prevented.

(Second Embodiment)
Next, the lighting fixture of 2nd Embodiment which concerns on this invention is demonstrated. In addition, the same code | symbol is attached | subjected to the site | part which is common in the lighting fixture concerning 1st Embodiment mentioned above, and the overlapping description is abbreviate | omitted.
As shown in FIG. 6, the luminaire 10 </ b> B of the second embodiment has a structure in which the reflector 21 </ b> B receives the edge portion lower surface 142 of the finishing material 14. That is, the lower end 218 of the inclined surface 214 abuts and supports the lower surface 142 of the edge end portion of the finishing material 14.

  Moreover, the modification of 10 A of lighting fixtures of 2nd Embodiment is shown by FIG. In this luminaire 10C, a horizontal portion 219 is provided from the lower end 218 of the inclined surface 214 of the reflecting plate 21C to support the edge portion lower surface 142 of the finishing material 14.

  As described above, according to the lighting fixtures 10B and 10C according to the second embodiment of the present invention described above, the reflecting plates 21B and 21C receive and support the edge portion lower surface 142 of the finishing material 14 in addition to the functions and effects described above. Therefore, it can prevent that the finishing material 14 bends below, and the design property improves.

In addition, the lighting fixture of this invention and the construction method of a lighting fixture are not limited to each embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, in each of the above-described embodiments, the example in which the LED package 24 is used as the light source provided in the lamp 22 is shown, but other than that, for example, a straight tube fluorescent lamp or the like can be used.

  Moreover, according to the construction method of the luminaire described above, the case where the finishing material 14 is constructed after fixing the discarded paste material 13 to the structural member and fixing the reflector 21 of the luminaire 10 to the mounting bracket 30 has been described. However, it is also possible to attach the reflecting plate 21 and fix the lamp 22 to the reflecting plate 21 after constructing the discarded paste material 13 and the finishing material 14.

DESCRIPTION OF SYMBOLS 10, 10B, 10C Lighting fixture 11 Ceiling material 12 Mounting hole 13 Discarding paste material 131 Edge end surface 132 Edge end lower surface 133 Opening (attachment hole)
DESCRIPTION OF SYMBOLS 14 Finishing material 141 Edge end surface 142 Edge end lower surface 21,21B, 21C Reflector 214 Inclined surface 216 Tip surface 218 Lower end of inclined surface 22 Lamp 30 Mounting bracket

Claims (4)

In the mounting hole, it has a ceiling material in which the edge surface of the pasting material protrudes stepwise from the edge surface of the finishing material,
A mounting bracket fixed to a structural member on the back side of the ceiling material;
A reflector mounted below the mounting bracket;
A lamp attached to the inside of the reflector, and
A lighting fixture in which a lower end portion of the reflecting plate is provided with an inclined surface inclined downward and outward, and the lower end of the inclined surface reaches the lower end portion of the mounting hole. The lighting fixture according to claim 1,
A lighting fixture that is bent so that a front end surface of the reflecting plate is abutted against a lower surface of an edge portion of the throwing adhesive. The lighting fixture according to claim 1 or 2,
A luminaire having a structure in which the reflector receives the lower surface of the edge of the finishing material. Using the lighting apparatus according to any one of claims 1 to 3,
Fixing the mounting bracket to the structural member supporting the ceiling material;
A step of fixing the discarded adhesive material in which the mounting hole of the lighting fixture is opened to the structural member;
Fixing the reflector of the lighting fixture to the mounting bracket;
The step of constructing the finishing material having an edge surface protruding stepwise from the edge surface of the discarded paste material;
Fixing the lamp to the reflecting plate.

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