JP2013097997A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture capable of preventing a power source line from being pinched in and improving assemblability.SOLUTION: The lighting fixture 10 is provided with a fixing member 13 to be fixed to a ceiling face, a lamp body 11 supported by the fixing member 13, an LED light emitting part 17 which is housed in the lamp body 11 and is connected electrically to a power source line 16 extracted from the ceiling face, and a power line holding part which is arranged outside the lamp body 11 and is capable of holding the power source line 16 inside an outline shape of the lamp body 11.

Description

  The present invention relates to a lighting apparatus applied to a downlight or the like that is installed by being embedded in an embedding hole of a ceiling material.

2. Description of the Related Art Conventionally, there has been known a lighting fixture including a fixture main body having a main body formed with a bolt through hole through which a ceiling suspension bolt is passed, and a lighting device that lights a light source attached to and supported by the fixture main body. (For example, refer to Patent Document 1).
Patent Document 1 discloses a pair of base members that have a ceiling locking end portion that is hooked from below on the edge portion of the embedded hole and that is passed through the embedded hole, and is connected to the base member so as to be vertically rotatable. And a body support member that supports the instrument body.
And patent document 1 arrange | positions the several installation apparatus which supports an instrument main body to a relatively low position and a high position by rotating a main body support part, and arrange | positions a light source inside and the downward direction of an instrument main body. And a light control device having a cover portion that covers the ceiling locking end portion.

JP 2009-146818 A (FIG. 1, claim 1)

The lighting fixture of Patent Document 1 can form a light blocking angle according to the selection of a light control device having a different height, and can be embedded in the ceiling without requiring a dedicated installation device regardless of the selection.
By the way, as shown in FIG. 10, similarly to Patent Document 1, the lamp body 103 that houses the light source 101 and to which the reflector 102 is attached is attached to the frame 105 that is fixed to the ceiling suspension bolt 104. Has been proposed.
In such a conventional lighting apparatus 100, the power line 106 drawn into the lamp body 103 is electrically connected to the lighting circuit 107 through the frame body 105.

However, in such a conventional lighting fixture 100, when the lamp body 103 is attached to the frame body 105, the power line 106 may be sandwiched between the lamp body 103 and the frame body 105.
Therefore, such a conventional lighting apparatus 100 may not be able to prevent the power supply line 106 from being caught and may damage the power supply line 106.

Further, such a conventional lighting fixture 100 is attached to the frame body 105 by inserting the lamp body 103 from below into the frame body 105 fixed to the ceiling suspension bolt 104.
Therefore, in such a conventional lighting fixture 100, it is difficult to attach the lamp body 103 to a predetermined position of the frame 105, and the assembling workability is not good.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting apparatus that can prevent a power line from being caught and can improve assembly workability.

  The luminaire according to the present invention includes an attachment member attached to a ceiling surface, a lamp body supported by the attachment member, and an electric power line accommodated in the lamp body and drawn from the ceiling surface. An LED light emitting unit to be connected and an electric wire holding unit provided outside the lamp body and capable of holding the power supply line in a contour shape of the lamp body.

  The lighting fixture according to the present invention includes a frame body in which the mounting member circulates around the fixture main body along a plane intersecting the optical axis of the LED light emitting portion, and a cutout portion provided inside the frame body. The lamp body has a projecting portion protruding in the radial direction, and the lamp body can be inserted into the frame body in an inserted state in which the projecting portion and the cutout portion correspond to each other. At the same time, the lamp body is fixed to the frame body in a fixed state in which the lamp body is rotated by a predetermined angle with respect to the frame body from the inserted state.

  According to the lighting fixture according to the present invention, it is possible to prevent the power supply line from being caught and to improve the assembly workability.

The disassembled perspective view seen from diagonally downward of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view seen from the slanting lower part around the lamp main body of the lighting fixture of one Embodiment which concerns on this invention The partially broken side view of the lighting fixture of one Embodiment which concerns on this invention Sectional drawing around the power source line of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the 1st step explaining the attachment procedure to the frame of the lamp main body of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the 2nd step explaining the attachment procedure to the frame of the lamp body of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the 3rd step explaining the attachment procedure to the frame of the lamp body of the lighting fixture of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the 4th step explaining the attachment procedure to the frame of the lamp body of the lighting fixture of one Embodiment which concerns on this invention The perspective view of the external appearance seen from diagonally upward of the 5th stage explaining the attachment procedure to the frame of the lamp main body of the lighting fixture of one Embodiment which concerns on this invention External view of conventional lighting equipment

Hereinafter, a lighting apparatus according to an 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 includes a lamp body 11, an auxiliary reflector 12 attached below the lamp body 11, a frame body 13 that supports the lamp body 11, and A power supply case 14 disposed above the frame 13.
The lighting fixture 10 includes a power supply line 16 that is attached to a ceiling suspension bolt 15 that is attached above a ceiling material 90 and that is pulled out from a power supply case 14 and drawn into the lamp body 11.
The lighting fixture 10 is applied to a downlight that is embedded in the embedding hole 91 of the ceiling material 90 and irradiates the floor surface or the like.

The lamp body 11 accommodates an LED light emitting unit 17 on the lower inner side, and has a plurality of heat radiating fins 18 on the upper part.
The auxiliary reflecting plate 12 is formed in a substantially cylindrical shape, has an auxiliary reflecting surface 19 on the inner peripheral surface, and has a plurality of auxiliary reflecting plate attaching springs 20 for attaching to the frame body 13 on the outer peripheral portion.

The frame body 13 includes a frame main body 21 formed in an annular shape, and a plurality of connecting plates 22 having lower ends attached in the circumferential direction of the frame main body 21.
The frame body 13 is formed in an annular shape and is attached to the upper end portion of the connecting plate 22, and the lamp mounting frame portion 23 is formed in a U shape and is attached to the upper portion of the lamp attachment frame portion 23. 24.
The bolt hanging bracket 24 is inserted into the lower end portion of the ceiling hanging bolt 15, and then the nut 25 is screwed in.

The power supply case 14 has a power supply unit 26 attached thereto, and one end of the power supply line 16 is electrically connected to the power supply unit 26. The power supply unit 26 is electrically connected to an external power supply circuit.
The other end of the power supply line 16 is inserted into the lamp body 11 through the lamp mounting frame 23 and the frame body 21 of the frame 13 and is electrically connected to the LED light emitting unit 17.

As shown in FIG. 2, the frame 13 has a spring mounting plate 27 with a plurality of holes on the outer surface of the lamp mounting frame portion 23. After the lamp body 11 is attached to the frame body 13, the auxiliary reflector attaching spring 20 is inserted into the spring attaching plate 27.
The auxiliary reflector 12 is assembled to the lamp body 11 by inserting the auxiliary reflector attachment spring 20 through the spring attachment plate 27.

As shown in FIG. 3, the lamp main body 11 has a light emitting portion accommodating portion 29 below the partition plate 28 having the heat radiating fins 18 in the central portion, and the LED light emitting portion 17 is accommodated in the light emitting portion accommodating portion 29. .
The LED light emitting unit 17 includes a reflecting plate body 31 having a plurality of main reflecting plates 30, a circuit board 32, a plurality of LEDs 33 sealed on the circuit board 32, and a panel 34 that is an optical lens. .

Here, the single main reflector 30 and the single LED 33 constitute an LED unit 35.
In the reflector 31, the main reflector 30 is formed in a substantially hemispherical shape, and the LEDs 33 are respectively located in the top openings 36 of the main reflector 30.
The panel 34 is accommodated in the light emitting part accommodating part 29 via the packing 37 and the pressing plate 38.
The auxiliary reflecting plate 12 has a decorative plate 39 having a design and formed in an annular shape at the lower end.

As shown in FIG. 4, the lamp body 11 has a power line lead hole 40 at a position surrounded by the plurality of heat radiation fins 18 in the partition plate 28.
Further, the lamp body 11 has an electric wire holding portion 41 outside the power supply wire extraction hole 40 of the partition plate 28. The electric wire holding portion 41 is formed in a concave shape by using part of the heat radiating fin 18.
Therefore, the power supply line 16 drawn out from the power supply line drawing hole 40 is held inside the electric wire holding part 41 and routed away from the frame main body 21 and the lamp attachment frame part 23 of the frame 13 inside.

As shown in FIG. 5, the frame body 13 has a pair of cutout portions having a predetermined length in the circumferential direction at opposing positions on the circumference of the annular plate portion 42 included in the lamp mounting frame portion 23. 43. The notch 43 has a screw stop groove 44 on its side.
The lamp body 11 has a pair of insertion projections 45 projecting in the radial direction at opposing positions on the outer periphery of the bottom thereof, and a pair of fixed portions at positions shifted by 90 degrees in the circumferential direction with respect to the insertion projections 45. A convex portion 46 is provided.
The pair of insertion convex portions 45 of the lamp main body 11 has an outer shape that can be inserted into the notch 43 of the lamp mounting frame portion 23, and a fixing screw 47 is temporarily attached to the pair of fixing convex portions 46 of the lamp main body 11 from below. It has been stopped.

Next, a procedure for attaching the lamp body 11 to the frame 13 will be described.
First, the lamp body 11 is disposed below the frame body 21 of the frame body 13.
Next, as shown in FIG. 6, the lamp main body 11 is inserted from the inner peripheral side of the frame main body 21 of the frame 13 to the inner peripheral side of the lamp mounting frame portion 23.
At this time, the lamp body 11 is not positioned with respect to the frame body 13.

Next, as shown in FIG. 7, the insertion convex portion 45 of the lamp body 11 is inserted into the notch 43 of the lamp mounting frame portion 23 of the frame body 13.
Thereby, the lamp body 11 is positioned with respect to the frame body 13.
Subsequently, as shown in FIG. 8, the lamp body 11 includes the timepiece in FIG. 8 from the position A <b> 1 to the position A <b> 2 after the insertion convex portion 45 is inserted into the notch 43 of the lamp mounting frame portion 23 of the frame body 13. It is rotated in the direction of rotation.

At this time, since the insertion convex portion 45 is disposed on the upper surface of the annular plate portion 42 of the lamp mounting frame portion 23, the lamp main body 11 is held by the lamp mounting frame portion 23 of the frame body 13.
When the lamp body 11 is rotated by a predetermined angle in the clockwise direction in FIG. 8, the fixed convex portion 46 is positioned in the notch portion 43 of the lamp mounting frame portion 23.

As shown in FIG. 9, with the rotation of the lamp body 11, the fixing screw 47 of the fixing projection 46 is inserted into the screw retaining groove 44 at the notch 43 of the lamp mounting frame 23.
The lamp body 11 is fixed at a predetermined position of the frame 13 by screwing the fixing screw 47 inserted into the screw retaining groove 44.
Therefore, the lamp body 11 can be easily positioned with respect to the frame body 13.

Thus, the lamp body 11 can be inserted into the frame body 13 in the insertion state in which the electric wire holding portion 41 and the cutout portion 43 correspond to each other, and the lamp body 11 can be rotated a predetermined angle with respect to the frame body 13 from the insertion state. The lamp body 11 is fixed to the frame 13 in the fixed state that is moved.
Therefore, after the lamp body 11 having the power supply line 16 that is held by the electric wire holding portion 41 and arranged inside the frame body 21 and the lamp mounting frame portion 23 of the frame body 13 is positioned on the frame body 13, Screwed to the lamp mounting frame portion 23 of the frame 13.
Therefore, when the lamp body 11 is attached to the frame body 13, the power line 16 does not contact the frame body 21 and the lamp attachment frame portion 23 of the frame body 13.

As mentioned above, according to the lighting fixture 10 of one Embodiment which concerns on this invention demonstrated, when the lamp main body 11 is assembled | attached to the frame 13, the power wire 16 is hold | maintained inside the electric wire holding part 41, and a frame 13 is arranged away from the frame main body 21 and the lamp attachment frame portion 23 inward.
Therefore, according to the luminaire 10, the power supply line 16 can be prevented from being caught.

Further, according to the lighting fixture 10, the fixing screw 47 of the fixing protrusion 46 is inserted into the screw stop groove 44 of the notch 43 as the lamp body 11 rotates after the insertion protrusion 45 is inserted into the notch 43. And screwed.
Therefore, according to the luminaire 10, since the lamp body 11 can be easily positioned and fixed with respect to the frame 13, the assembly workability can be improved.

  In addition, in the lighting fixture of this invention, an auxiliary | assistant reflector, a power supply case, a panel, etc. are not limited to one Embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Lamp main body 13 Frame (attachment member)
16 Power line 17 LED light emitting part 41 Electric wire holding part 43 Notch part 45 Insertion convex part

Claims (2)

An attachment member attached to the ceiling surface;
A lamp body supported by the mounting member;
An LED light-emitting unit housed in the lamp body and electrically connected to a power line drawn from the ceiling surface;
A lighting fixture comprising an electric wire holding portion provided outside the lamp body and capable of holding the power supply line within a contour shape of the lamp body. The lighting fixture according to claim 1,
The mounting member has a frame that circulates around the instrument main body along a surface intersecting the optical axis of the LED light emitting unit, and a notch provided inside the frame,
The lamp body has an insertion protrusion protruding in a radial direction;
The lamp body can be inserted into the frame body in the insertion state in which the insertion convex portion and the cutout portion correspond to each other, and the lamp body body is rotated by a predetermined angle with respect to the frame body from the insertion state. A lighting fixture in which the lamp body is fixed to the frame in a fixed state.

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