JP5519438B2 - lighting equipment - Google Patents

Description

  The present invention relates to an embedded lighting fixture that is attached to an attachment hole provided in a ceiling material.

2. Description of the Related Art Conventionally, an embedded lighting fixture that is attached to an attachment hole provided in a ceiling material is known (see, for example, Patent Document 1).
As shown in FIG. 7, the luminaire 100 described in Patent Document 1 is used by being attached to an attachment hole 102 provided in the ceiling material 101. The lighting fixture 100 has a rectangular box-like fixture main body 103 opened downward, and a fluorescent lamp as a light source is mounted therein. An instrument body mounting bracket 105 is provided on the top plate 104 of the instrument body 103, and a pair of mounting bolts 106 whose upper ends are mounted on a structural member on the back of the ceiling material are provided on the instrument body mounting bracket 105. The instrument body 103 is suspended and supported by inserting the screw hole 108 and fastening the nut 107.

JP-A-8-293210 (FIG. 2)

By the way, in the luminaire 100 having a long and narrow shape as described above, it is general to use the mounting bolts 106 attached to the structural members on the back of the ceiling material in order to attach the fixture main body 103.
However, when attaching to the mounting hole 102 having a small width, it is difficult to tighten the nut 107 because the hands are not sufficiently provided, and there is a problem that it is difficult to attach the lighting fixture.

  The present invention has been made to solve the conventional problems, and an object thereof is to provide a luminaire that can be easily attached to a narrow attachment hole.

  The lighting fixture of the present invention has a mounting bolt whose opposite end in the irradiation direction is attached to the structural member, a nut that is screwed to the mounting bolt, and a fixing bolt that is attached to the irradiation direction side end of each mounting bolt. A mounting bracket that holds the fixture body, and a fixture body that is held by the fixture and attached to a mounting hole provided in the ceiling material, and the mounting bracket has a bolt mounting hole through which the mounting bolt passes. And a pair of holding walls opposed to each other with a bolt mounting hole in order to hold the instrument body, and an opening for fastening the nut is provided on the holding wall.

  Moreover, the lighting fixture of this invention provided the latching | locking part which latches the lower surface of a ceiling material in the irradiation direction side edge part of the holding wall of a mounting bracket.

  Furthermore, the lighting fixture of this invention provided the connection part which connects the upper side and lower side of opening to the holding wall of an attachment metal fitting.

  In the present invention, since the opening for fastening the nut is provided in the holding wall of the mounting bracket for holding the instrument body, the nut is attached to the mounting bolt inserted between the holding walls of the mounting bracket by putting a hand through the narrow mounting hole. Can be concluded. Thereby, the lighting fixture which has the effect that a lighting fixture can be attached easily can be provided.

The disassembled perspective view of the lighting fixture of 1st Embodiment which concerns on this invention The perspective view of the attachment metal fitting used for the lighting fixture of 1st Embodiment which concerns on this invention, and a fixture main body. The perspective view which looked at the lighting fixture of 1st Embodiment which concerns on this invention from upper direction (A) is a perspective view of the mounting bracket used for the lighting fixture of 1st Embodiment which concerns on this invention, (B) is sectional drawing which shows the state which put the finger into the mounting bracket (A) is a perspective view of the modification of the mounting bracket used for the lighting fixture of 1st Embodiment which concerns on this invention, (B) is a side view which shows the state which puts a finger in a mounting bracket and fastens a nut (A) is a perspective view of the mounting bracket used for the lighting fixture of 2nd Embodiment which concerns on this invention, (B) is a side view which shows the state which puts a finger in a mounting bracket and fastens a nut Cross-sectional view of a conventional lighting fixture

(First embodiment)
Hereinafter, the lighting fixture of 1st Embodiment which concerns on this invention is demonstrated using drawing.
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 lighting fixture 10 includes a pair of mounting bolts 31 and 31 as mounting members whose upper ends are fixed to a structural member (not shown) on the back side (upper side in FIG. 1) 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 described later.
In the following, the “irradiation direction” is a direction illuminated by the luminaire 10, and here means downward, and “opposite side of irradiation direction” means here upward. Further, “longitudinal center (side)” means the longitudinal center (side) of the lighting fixture 10, and “longitudinal end (side)” means both ends (sides) of the lighting fixture 10. .

As shown in FIGS. 2 and 3, the instrument main body 20 includes a reflecting plate 21 and a lamp 22 mounted inside the reflecting plate 21. The reflection plate 21 is held inside the mounting bracket 30 and is an elongated member having a U-shaped cross section that opens downward. The width of the reflecting plate 21 is slightly smaller than the width of the upper plate 33 of the mounting bracket 30.
Therefore, the instrument body 20 is attached to the mounting bolt 31 via the mounting bracket 30 by pushing the reflection plate 21 into the mounting bracket 30 and holding it.

  A rectangular box-shaped protrusion 25 that houses a power supply block that supplies power for lighting to the light source is provided at the center in the longitudinal direction on the top plate 211 of the reflecting plate 21. Further, at both ends in the longitudinal direction of the top plate 211 of the reflecting plate 21, locking holes (not shown) for projecting the mounting springs 23 projecting upward from the lamp 22 are provided. .

The lamp 22 is an elongated box-shaped member having a rectangular cross section made of resin, and a plurality of LED packages (not shown) are provided downward as a light source, for example, at predetermined intervals in the longitudinal direction. An attachment spring 23 for attaching the lamp 22 to the reflecting plate 21 is provided on the upper surface of the lamp 22. The attachment spring 23 has a pair of arms 231 and 231, and both arms 231 and 231 are urged in directions away from each other. A locking portion 232 is provided at the tip of each arm 231, 231.
Note that louvers 24 in the vertical direction are provided in parallel at predetermined intervals on the lower surface of the lamp 22 that is in front of the lamp 22 in the irradiation direction (that is, below).

As shown in FIGS. 2 and 3, the pair of mounting brackets 30, 30 are connected by a connecting member 32 at a predetermined interval in the longitudinal direction.
As shown in FIG. 4, the mounting bracket 30 is an entire lower opening made up of an upper plate 33 and a pair of side plates 34, 34 that are opposed to each other by being provided downward from both ends in the width direction of the upper plate 33. It is U-shaped. The upper plate 33 extends longer than the side plates 34 and 34 toward the center in the longitudinal direction of the lighting fixture 10 to form an extension portion 331, and a nut 311 is fastened to the mounting bolt 31 below the extension portion 331. An opening 361 is provided as a working space for the operation. Further, the extension portion 331 of the upper plate 33 is provided with a bolt mounting hole 332 that is locked by the mounting bolt 31, and the lamp 22 is provided at the outer end in the longitudinal direction of the upper plate 33. A notch 333 for the mounting spring 23 is provided in the longitudinal direction.

  The lower ends of the side plates 34, 34 are bent outward to form a locking portion 35. The side plates 34, 34 are closer to each other than vertically below, that is, the locking portions 35 are closer to each other. Is being energized. The both locking portions 35 are supported by contacting the lower surface of the ceiling material 11 by inserting the mounting bracket 30 into the mounting hole 12 of the ceiling material 11 from below and attaching the mounting bracket 30 to the mounting bolt 31.

  FIG. 5 (A) shows a mounting bracket 30B which is a modification of the mounting bracket 30 shown in FIG. 4 (A). In the mounting bracket 30B, the side plate extension portion 341 and the locking portion extension portion are provided by extending the lower end portion of the side plate 34 and the locking portion 35 to the center in the longitudinal direction to provide the side plate extension portion 341 and the locking portion extension portion 351. An opening 362 for fastening the nut 311 is provided between the 351 and the 351. Other configurations are the same as those of the mounting bracket 30 shown in FIG.

  When attaching the lighting fixture 10 to the attachment hole 12 of the ceiling member 11, first, the attachment fittings 30 and 30 </ b> B are attached to the lower end of the attachment bolt 31 and the nut 311 is fastened. At this time, although the widths of the mounting brackets 30 and 30B are narrow, as shown in FIGS. 4B and 5B, the finger F can come out of the mounting brackets 30 and 30B from the openings 361 and 362. Therefore, the nut 311 can be easily fastened.

  On the other hand, the lamp 22 is attached to the reflecting plate 21. That is, the engaging portions 232 of the arms 231 and 231 of the mounting spring 23 are pinched with fingers in the direction of approaching, and are elastically deformed, and are passed from the engaging portions 232 to the engaging holes (not shown) of the reflecting plate 21. Thereafter, when the finger is released, the lamp 22 is attached to the reflecting plate 21 by the elastic force of the arm 231.

  Next, the instrument body 20 is pushed between the side plates 34, 34 of the mounting brackets 30, 30B, and the instrument body 20 is mounted to the mounting brackets 30, 30B (arrow A in FIG. 1). As a result, the mounting brackets 30 and 30B hold the instrument main body 20 therebetween.

  When removing the lamp 22 from the reflecting plate 21, after the fixture body 20 is removed from the mounting brackets 30 and 30 </ b> B, until the locking portion 232 of the mounting spring 23 is locked in the locking hole of the reflecting plate 21. The lamp 22 is pulled down and locked once. Thereafter, the arm 231 of the mounting spring 23 is pinched with fingers to bring both the locking portions 232 closer to each other and pulled out from the locking hole of the reflection plate 21.

As mentioned above, according to the lighting fixture of 1st Embodiment which concerns on this invention demonstrated, it puts a hand from the attachment hole 12 of the ceiling material 11, and irradiation of the mounting bolt 31 by which the other side end of the irradiation direction was attached to the structural member The mounting brackets 30 and 30B are mounted on the direction side ends, and the nuts 311 are fastened to fix the mounting brackets 30 and 30B.
At this time, since the nut fastening openings 361 and 362 are provided in the side plates 34 of the mounting brackets 30 and 30B for holding the instrument body 20, a hand is inserted from the narrow mounting hole 12 and between the side plates 34 of the mounting brackets 30 and 30B. The nut 311 can be easily fastened to the mounting bolt 31 inserted through the nut 311.
Then, the instrument body 20 is inserted into the mounting hole 12 and attached to the mounting brackets 30 and 30B. Thereby, the lighting fixture 20 can be attached easily.

Further, by inserting the mounting bracket 30 into the mounting hole 12, the locking portions 35 and 351 provided at the irradiation direction side ends of the side plates 34 of the mounting brackets 30 and 30 </ b> B are formed in the mounting hole 12. Lock the lower surface.
For this reason, when the nut 311 is fastened to the mounting bolt 31 and the mounting bracket 30 is tightened, the locking portions 35 and 351 support the lower surface of the ceiling material 11 from below, and the mounting brackets 30 and 30B are firmly attached. And can be fixed.

(Second Embodiment)
Next, the lighting fixture of 2nd Embodiment which concerns on this invention is demonstrated.
In addition, suppose that the same code | symbol is attached | subjected to the site | part common to the lighting fixture concerning 1st Embodiment mentioned above, and the overlapping description is abbreviate | omitted.

As shown in FIG. 6, in the lighting fixture of the second embodiment, for example, an oval opening 363 is provided on the side plate 34 of the mounting bracket 30 </ b> C, and a connecting portion 37 that connects the upper side and the lower side of the opening 363 is provided. It was. Thereby, the opening 363 becomes a closed shape.
The opening 363 is a position below the bolt mounting hole 332 through which the mounting bolt 31 penetrates. Preferably, the bolt mounting hole 332 is positioned at the center in the longitudinal direction of the opening 363.
Further, the shape of the opening 363 is not limited to an oval shape, but since the finger F enters, a shape without corners is desirable.

As mentioned above, according to the lighting fixture of 2nd Embodiment which concerns on this invention demonstrated, the effect | action and effect similar to the lighting fixture concerning 1st Embodiment mentioned above can be acquired.
Further, since the connecting portion 37 for connecting the upper side and the lower side is provided in the opening 363 of the side plate 34 of the mounting bracket 30C, the rigidity of the side plate 34 is improved and the rigidity of the mounting bracket 30C is improved.

In addition, the lighting fixture of this invention is 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 case where the instrument body 20 is supported by the two mounting bolts 31 and the mounting brackets 30, 30 </ b> B, 30 </ b> C is illustrated, but the present invention includes three or more mounting bolts 31. It can also be applied to the case where the mounting brackets 30, 30B, 30C are provided.

DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Ceiling material 12 Mounting hole 20 Appliance main body 30, 30B, 30C Mounting bracket 31 Mounting bolt 311 Nut 332 Bolt mounting hole 34 Side plate (holding wall)
35 Locking part 361, 362, 363 Opening 37 Connecting part

Claims (3)

A mounting bolt whose opposite end in the irradiation direction is attached to the structural member;
A nut screwed into the mounting bolt;
A mounting bracket that is attached to the irradiation direction side end of each of the mounting bolts and fixed by the nut, and holds the instrument body,
An instrument body that is held by the mounting bracket and is attached to an attachment hole provided in a ceiling material,
The mounting bracket has a bolt mounting hole through which the mounting bolt passes, and has a pair of holding walls facing each other across the bolt mounting hole to hold the instrument body,
The lighting fixture which provided the opening for said nut fastening in the said holding wall. The lighting fixture according to claim 1,
The lighting fixture which provided the latching | locking part which latches the lower surface of the said ceiling material in the irradiation direction side edge part of the said holding wall of the said attachment metal fitting. The lighting fixture according to claim 1 or 2,
The lighting fixture which provided the connection part which connects the upper side and the lower side of the said opening to the holding wall of the said attachment metal fitting.

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