JP3780642B2 - lighting equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lighting fixture attached to a system ceiling.
[0002]
[Prior art]
In the conventional lighting fixture for system ceiling, the mounting bracket is fixed to the T bar, and the fixture main body is mounted to the mounting bracket from above the T bar.
[0003]
[Problems to be solved by the invention]
However, when a ceiling base material such as a C channel or an air conditioning duct is close to the top of the T-bar, there is a drawback that the construction of the lighting fixture is not easy and the installation location is limited.
Accordingly, an object of the present invention is to provide a lighting fixture that can be attached to a T-bar from below the T-bar.
[0004]
[Means for Solving the Problems]
The lighting fixture according to claim 1 has a locking portion that locks the heads of a pair of T-bars arranged substantially parallel to each other at both ends, and the fixing portion for insertion is suspended from the lower surface of the center. A fitting having a protruding portion in the vicinity of the portion, and a long hole through which the protruding portion is positioned and locked in a state of being inserted into the insertion fixing portion and approaching the fitting, and both side portions of the T-bar An instrument main body located on the lower end horizontal part, and a fixing member that is attached to the insertion fixing part and fixes the instrument main body to the fixture.
[0005]
According to the lighting apparatus of claim 1, since the insertion fixing portion of the fixture is passed through the long hole, the fixture body is attached to the insertion fixing portion by the fixing member, and the protruding portion is locked to the long hole, so The body can be fixed. Moreover, since the fixture and the fixture body can be attached and fixed from under the T-bar, the lighting fixture can be easily attached even if a ceiling base material or the like is close to the T-bar.
[0006]
The instrument mounting device according to claim 2 is the instrument mounting apparatus according to claim 1, wherein the fixing member is temporarily fixed to the insertion fixing part in a state where the insertion fixing part is inserted into the elongated hole of the instrument body, and In a state in which the protrusion of the fixture is separated from the long hole and the fixture is shifted to one side in the longitudinal direction of the long hole , the one of the fixtures is engaged with the head of one of the T bars. The long hole has a length that allows the insertion fixing portion to move within the long hole so that it can be stopped.
According to the appliance mounting apparatus of claim 2, in addition to the effect of claim 1, the fixture is attached from below the T-bar in a state where the fixture fixing portion for insertion of the fixture is passed through the fixture body and temporarily fixed by the fixing member. This makes it easy to install.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS. That is, the lighting fixture includes a fixture 1 and a fixture body 2.
The fixture 1 has engaging portions 5 that engage with the head portions 3b, 4b of a pair of T bars 3, 4 disposed substantially parallel to each other at both ends, and a penetrating fixing portion 13 is suspended from a substantially central lower surface. The protrusion 7 is provided in the vicinity of the insertion fixing portion 13. The T bars 3 and 4 are installed on the ceiling. The fixture 1 according to the embodiment is made of a metal and has a pair of rectangular flat plate horizontal pieces 8 and reinforcing pieces 9 bent at right angles on both sides of the horizontal piece 8, and the locking portion 5 is a horizontal piece. 8 includes a vertical piece 10 having both ends bent at right angles, and a lifting prevention claw 11 cut and raised by the vertical piece 10. The distance (inner width) L ₁ between the vertical pieces 10 is substantially equal to or slightly larger than the distance (outer width) L ₂ between the outer sides of the heads 3 b of the T bars 3 and 4. The insertion fixing portion 13 has a screw as an embodiment, and is attached in a state of penetrating the central portion of the fixture 1, and the screw portion is suspended from the lower surface of the fixture 1. A pair of protrusion part 7 is located in the both sides of the direction which ties the vertical piece 10 of the fixing part 13 for penetration, and hangs down in the long plate shape in the direction.
[0008]
This fixture 1 inserts one of the locking portions 5 between the T-bars 3 and 4 from below and rides over the T-bar 3 and moves the other of the locking portions 5 above the T-bar 4. Both the locking portions 5 are placed on the T bars 3 and 4, and the lifting prevention claws 11 are locked to the neck portions 3a and 4a of the T bars 3 and 4, thereby preventing the lifting of the fixture 1 and the mounting state. It becomes. The instrument main body 2 has a long hole 12 through which the protruding portion 7 is positioned and locked in a state where the insertion fixing portion 13 is inserted and approaches the fixture 1, and both side portions 2 c are lower horizontal portions of the T bars 3 and 4. Located on 3c, 4c. The instrument main body 2 of the embodiment is a rectangular box shape having a peripheral wall 2a, and a long hole 12 is provided in the top part 2b. The longitudinal direction of the long hole 12 is the width direction of the instrument main body 2. In order to make it possible to select the attachment position according to the ceiling base material or the like, the long holes 12 are provided at four locations. In a state where the insertion fixing portion 13 is inserted into the long hole 12, for example, in a temporary fixing state described later shown in FIG. 5, the insertion fixing portion 13 can move in the long hole 12. Further, the long hole 12 locks the fixture 1 to one T-bar 3 in a state where the fixture body 2 is shifted to one side in the width direction at a position where the protruding portion 7 of the fixture 1 is separated from the elongated hole 12 of the fixture body 2. It is a possible length.
[0009]
Therefore, as shown in FIG. 5, in a state where the fixture 1 is temporarily fixed to the instrument main body 2, the fixture 1 is slid so as to be biased toward the instrument main body 2, so that one of the locking portions 5 of the fixture 1. Can be greatly climbed onto the T-bar 3. Then, the fixture 1 is inserted between the T bars 3 and 4 as shown by the arrows, and the fixture body 2 is moved along the long hole 12 when the other locking portion 5 is mounted on the T bar 4. The other locking portion 5 can be mounted on the T-bar 4 by sliding in the opposite direction, so that the locking portions 5 are dropped on the T-bars 3 and 4 and the nail for lifting is prevented. 11 is locked to the neck portions 3a and 4a to be in an attached state. Further, both side portions 2c of the instrument body 2 can be positioned on the lower end horizontal portions 3c, 4c of the T bars 3, 4.
[0010]
The fixing member 14 is attached to the insertion fixing portion 13 to fix the instrument body 2 to the fixture 1. In the embodiment, the fixing member 14 is attached by screwing into the insertion fixing portion 13 which is a screw using an attachment nut. . The state in which the fixing member 14 is slightly screwed is a temporarily fixed state, and the fixture 1 is attached to the instrument body 2, but the fixture 1 can slide along the long hole 12 in the width direction of the instrument body 2. It is. When the fixing member 14 is tightened from the temporarily fixed state, the instrument main body 2 approaches the fixture 1, the protrusions 7 are positioned at both ends of the long hole 12, and the instrument main body 1 moves along the long hole 12 and is inserted. Rotation about the common fixing portion 13 is restricted, and the instrument main body 2 is positioned, whereby the instrument main body 2 is brought into a normal mounting state and prevented from falling off. On the other hand, when the fixing member 14 is loosened, the instrument body 2 and the fixture 1 can be detached from the T bars 3 and 4.
[0011]
Reference numeral 17 denotes a reflector, which is attached to the instrument body 2 after the fixing member 14 is tightened. Reference numeral 16 denotes a lamp mounted in a lamp socket (not shown) provided in the instrument body 2.
According to this embodiment, the insertion fixing portion 13 of the fixture 1 is passed through the long hole 12, and the fixture main body 2 is attached to the insertion fixing portion 13 by the fixing member 14, and the protrusion 7 is locked to the long hole 12. Therefore, the instrument body 2 can be fixed securely. Moreover, since the fixture 1 and the fixture body 2 can be attached and fixed from under the T bars 3 and 4, it is possible to easily attach the lighting fixture even when a ceiling base material is close to the top of the T bars 3 and 4. Can do.
[0012]
Further, since the long hole 12 has a length that allows one of the fixtures 1 to be locked to the head 3b of one T-bar 3 in a state where the fixture 1 is shifted to one side with respect to the fixture body 2, the fixture body 2 Since the fixture 1 can be attached from below the T-bars 3 and 4 in a state where the fixture 1 for insertion of the fixture 1 is passed through and temporarily fixed by the fixing member 14, the construction is facilitated.
As a result, it is possible to form an equipment line that is directly attached to the existing ceiling renewal and that integrates lighting and equipment. Moreover, the ceiling opening for attaching a lighting fixture other than drawing-in opening, such as an air-conditioning duct, becomes unnecessary.
[0013]
A second embodiment of the present invention is shown in FIG. That is, the example is shown in which the ceiling material 19 is first applied to the T bars 3 and 4. The difference from the first embodiment is that the length of the long hole 12 is not defined as in the first embodiment. However, when the instrument body 2 is placed on the T-bars 3 and 4, the length is such that the mutual positional relationship can be changed to such an extent that the mutual operation with the fixture 1 is not hindered. Further, the lifting prevention claw 11 is locked inside the heads 3b, 4b of the T bars 3, 4. In this lighting fixture, first, the fixture 1 is locked to the T-bars 3 and 4, and then the side holes 2 c of the fixture body 2 are moved to the T-bar while sliding the long holes 12 of the fixture body 2 through the insertion fixing portions 13. 3 and 4 are placed on the lower horizontal portions 3c and 4c, and the fixing member 13 is fastened by the fixing member 14. Others are the same as in the first embodiment.
[0014]
In addition, the protrusion part 7 is positioned at both ends of the long hole 12 with the protrusion part 7 and the instrument body 2, or a part of the long hole 12 is enlarged in the width direction so that the protrusion part 7 is fitted. It is also possible to restrict the sliding of the hole 12 in the longitudinal direction.
[0015]
【The invention's effect】
According to the lighting apparatus of claim 1, since the insertion fixing portion of the fixture is passed through the long hole, the fixture body is attached to the insertion fixing portion by the fixing member, and the protruding portion is locked to the long hole, so The body can be fixed. Moreover, since the fixture and the fixture body can be attached and fixed from under the T-bar, the lighting fixture can be easily attached even if a ceiling base material or the like is close to the T-bar.
[0016]
According to the lighting fixture of claim 2, in addition to the effect of claim 1, the fixture is attached from below the T-bar in a state where the fixture fixing portion for insertion of the fixture is passed through the fixture body and temporarily fixed by the fixing member. It can be done easily.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a first embodiment of the present invention.
FIG. 2 is a perspective view of a fixture.
FIG. 3 is a perspective view of a state in which the fixture is attached to the instrument body.
FIG. 4 is a perspective view of a luminaire with a fixture attached when viewed from below.
FIG. 5 is an explanatory diagram for explaining attachment of a lighting fixture to a T-bar.
FIG. 6 is a cross-sectional view showing an attachment process of the instrument body of the second embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Mounting tool 2 Instrument main body 2c Lower end both sides 3, 4 T bar 3a, 4a Head 3c, 4c Lower end horizontal part 5 Locking part 7 Protrusion part 12 Long hole 13 Insertion fixing part 14 Fixing member

Claims (2)

Mounting having locking portions at both ends for locking to the heads of a pair of T-bars arranged substantially parallel to each other, and having a fixing portion for insertion penetrating substantially on the lower surface of the center, and a protruding portion in the vicinity of the fixing portion for insertion A tool body having a long hole through which the protruding portion is positioned and locked in a state of being inserted into the insertion fixing portion and approaching the fixture, and both side portions are located on the lower horizontal portion of the T-bar And a fixture that is attached to the insertion fixing portion and fixes the fixture body to the fixture. At a position where the fixing member is temporarily fixed to the insertion fixing portion in a state where the insertion fixing portion is inserted into the elongated hole of the instrument body, and the protruding portion of the fixture is separated from the elongated hole. In a state where the fixture is shifted in one of the longitudinal directions of the elongated hole, the elongated hole is disposed in the elongated hole so that the one of the fixtures can be locked to the head of one of the T bars. The lighting fixture according to claim 1, wherein the insertion fixing portion has a movable length .

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