JPH07220507A - Luminaire - Google Patents

Abstract

PURPOSE:To make installation easy, reduce light leakage, and easily adjust irradiation direction by fixing a lighting appliance to a luminaire main body and placing the main body on the opening end at other end of a frame. CONSTITUTION:In a lighting appliance 1, a lamp is accommodated in a almost cylindrical body 1a, a holder 1b is fixed to the other end, and a driving part 1c which moves the lamp in the axial direction of the cylindrical body la is extrusively arranged. In a luminaire main body 12, a flange 12a is formed in a circular plate larger than the outer diameter of a frame 11 in the vertical direction to the plate, an arm 2 to which the lighting appliance 1 is fixed is stuck in the nearly central part on the side where the flange 12a is formed, and the main body 12 is placed at the other opening end of the frame 11 so that the lighting appliance 1 is accommodated in the frame 11.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art FIGS. 2 and 3 show a conventional luminaire, which mainly comprises a lamp 1, an arm 2, a base 3, a power supply box 4, a joint 5, and It is composed of a cap screw 6.

The lamp 1 has a cylindrical end closed at one end and an opening at the other end. The lamp is housed inside, and bearing parts 7 are provided on both sides of the middle body part. . Further, the arm 2 is formed by bending both ends of a rectangular plate body into a U shape, and a support shaft 8 that engages with a bearing portion 7 of the lamp 1 is attached to a tip end portion thereof.

The base 3 is plate-shaped, and the arm 2 is attached to one surface of the base 3 so as to be rotatable about a central axis of the arm 2 which is an axis parallel to the side pieces facing each other in a U-shape. The power supply box 4 is fixed to the center on the other surface, and the mounting arms 5 are fixed to both ends, and the mounting arm 5 is one end side substantially C-shaped, which is the side opposite to the part fixed to the base 3. And a cap screw 6 is provided at one end of the C-shape.

The luminaire having the above-mentioned structure has a ceiling 9
Above the mounting hole 9a provided on the ceiling, hook the C-shaped portion of the mounting arm 5 on the pipe-shaped baton 10 stretched around the ceiling 9, and tighten the cap screw 6 to press the baton 10. The mounting hole 9a provided in the ceiling 9 is larger than the outer diameter of the lamp 1 so that the lamp 1 can be rotated to change the irradiation direction.

[0006]

However, in the conventional lighting fixture having such a structure, since the lighting fixture is mounted by the combination of the baton 10 and the mounting hole 9a stretched over the ceiling, the baton 10 is not mounted. There was a problem that lighting fixtures could not be installed in places where they were not installed.

Further, since the diameter of the mounting hole 9a is larger than the outer diameter of the lamp 1 and a gap is formed between them, the light of the lamp 1 leaks to the ceiling from the gap and the light cannot be effectively used. was there.

Further, such adjustment of the irradiation direction of the luminaire is usually carried out from the upper side of the luminaire, and the arm 2 is rotated at a mounting portion to the base 3, or a portion of the support shaft 8 of the arm 2. It is done by turning the lamp 1 at the baton 1.
There is a problem that it is difficult to adjust the irradiation direction because the gap between 0 and the lighting equipment is small and it is difficult to get a hand.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a luminaire that facilitates construction, reduces light leakage, and easily adjusts the irradiation direction. is there.

[0010]

In order to solve the above-mentioned problems, the invention according to claim 1 has openings at both ends, one end of which is at a peripheral end portion of a mounting hole provided in the ceiling. A lighting fixture comprising: a tubular frame body that is attached in abutment; a fixture body that closes an opening at the other end of the frame body; and a lamp fixture that is attached to the fixture body and housed in the frame body. The lighting fixture is attached to the fixture main body at an angle to the central axis of the frame, and the fixture main body is placed on the open end of the other end of the frame.

Further, according to the invention of claim 2, a flange portion projecting toward the frame is provided at an outer peripheral end of the instrument body.

[0012]

With the above construction, the invention according to claim 1 has an opening at both ends, and one end of which is attached by abutting on a peripheral end portion of a mounting hole provided in the ceiling. A lighting fixture comprising: a frame-like frame; a fixture main body that closes an opening at the other end of the frame; and a lighting fixture that is attached to the fixture main body and housed in the frame. In addition, since the fixture main body is placed at the opening end of the other end of the frame body while being attached at an angle with the central axis of the frame body, the lighting fixture has a mounting hole in the ceiling and one end side of the frame body. The frame body is placed on the ceiling by aligning the opening with the peripheral edge portion of the mounting hole on the ceiling, and the frame body can be easily mounted by fixing it to the ceiling. Since there is no gap between the mounting hole and the luminaire, Les is reduced, further, the lamp is so attached to the instrument body remembering central axis and the angle of the frame, by rotating the instrument body, the irradiation direction of the lamp is changed.

Further, in the invention according to claim 2, since the brim portion projecting toward the frame is provided at the outer peripheral end of the instrument body, even if the instrument body is rotated at the other end of the frame body. The device body will not come off from the open end at the other end of the frame.

[0014]

FIG. 1 shows an embodiment of the present invention.
The luminaire shown in the figure mainly includes a lamp 1 and an arm 2,
It is composed of a frame 11 and a device body 12.

The lamp 1 has a lamp housed in a substantially cylindrical body 1a with one end closed, and a holder 1b for mounting a lens is attached to the other end, and both sides of the outer periphery of the cylindrical body 1a are attached. A bearing portion 7 is attached, and a drive portion 1c for moving the lamp in the axial direction of the cylindrical body 1a is provided on the side surface on the side where the bearing portion 7 is not provided so as to project therefrom. The lamp moves in the axial direction of the cylindrical body 1a by turning the knob screw 14 provided.

The arm 2 is formed by bending both ends of a rectangular plate body into a U shape, and a support shaft 8 is attached to a tip portion 2a of a side piece opposed to the U shape, and a lamp is provided. It is configured so that the lamp 1 can rotate about the support shaft 8 by engaging with the bearings 7 provided on both side surfaces of the lamp 1.

The frame 11 has a cylindrical shape having openings at both ends, and one opening end 11a has a mounting hole 9 in the ceiling 9.
It is placed on the ceiling 9 in contact with the peripheral end portion of a and is attached to the splint provided on the upper surface of the ceiling 9 and the side surface of the frame body 11 by a wood screw or the like.

The instrument body 12 is a circular plate having a diameter larger than the outer diameter of the frame body 11 and a flange portion 12a provided on the end surface in the direction perpendicular to the plate. The arm 2 to which the lamp 1 is attached is fixed, and the fixture body 12 is mounted on the other opening end 11 b of the frame 11 so that the lamp 1 is housed in the frame 11. A handle 13 and a power supply box 4 are attached to the side of the instrument body 12 opposite to the side on which the collar portion 12a is provided.

With this construction, in the lighting apparatus of this embodiment, even if there is no baton 10 stretched over the ceiling, it can be mounted if the ceiling 9 has the mounting holes 9a. Since the frame body 11 is mounted on the peripheral end portion of the mounting hole 9a with its opening substantially aligned with the mounting hole 9a, there is almost no gap between the peripheral end portion of the mounting hole 9a and the frame body 11, and the ceiling space is not provided. Light leakage to

Further, the fixture body 12 is placed on the other open end 11b of the frame body 11, and the lamp 1 is attached to the fixture body 12 at an angle with the central axis of the frame body 11, so that the fixture is By rotating the main body 12, the irradiation direction of the lamp 1 can be easily changed. Further, the collar portion 12 of the instrument body 12
Since a projects toward the outer peripheral side of the other opening end 11b of the frame body 11, the instrument body 12 is moved to the other opening end 11b of the frame body 11.
Even if it is turned on b, the instrument body 12 will not come off from the frame 11.

[0021]

Since the present invention is constructed as described above, the invention according to claim 1 has openings at both ends, and one end of the openings abuts against a peripheral end portion of a mounting hole provided in the ceiling. A lighting fixture comprising: a tubular frame body to be closed; a fixture main body that closes an opening at the other end of the frame body; and a lighting fixture that is attached to the fixture main body and housed in the frame body. While being attached to the fixture main body at an angle with the central axis of the frame, since the fixture main body was placed at the open end of the other end of the frame, the lighting fixture has a mounting hole in the ceiling,
The frame body is placed on the ceiling so that one end of the frame body is aligned with the peripheral edge of the mounting hole on the ceiling, and the frame body is fixed to the ceiling for easy mounting. Also, since the frame is in contact with the end of the mounting hole, there is no gap between the mounting hole and the lighting fixture, light leakage to the back of the ceiling is reduced, and furthermore, the lamp has an angle with the central axis of the frame. Since it is attached to the main body of the lamp, the irradiation direction of the lamp can be changed by turning the main body of the lamp.

Further, in the invention according to claim 2, since the flange portion projecting toward the frame is provided at the outer peripheral end of the instrument body, even if the instrument body is rotated at the other end of the frame body. The device body will not come off from the open end at the other end of the frame.

[Brief description of drawings]

FIG. 1 is a partially sectional front view showing an embodiment of the present invention.

FIG. 2 is a front view showing a conventional example.

FIG. 3 is a side view of the above.

[Explanation of symbols]

 1 Lighting 9 Ceiling 9a Mounting Hole 11 Frame 12 Fixture Main Body 12a Collar

Claims (2)

[Claims] 1. A tubular frame body having openings at both ends, one end of which is attached to a peripheral end of a mounting hole provided in a ceiling, and a device for closing the opening at the other end of the frame body. Body and
A lighting fixture comprising: a lighting fixture attached to the fixture main body and housed in the frame body, wherein the lighting fixture is attached to the fixture main body at an angle with the central axis of the frame body, and the fixture main body is attached. A lighting fixture mounted on the opening end at the other end of the frame. 2. The luminaire according to claim 1, wherein a flange portion projecting toward the frame is provided at an outer peripheral end portion of the luminaire main body.