JPH087621A - Luminaire - Google Patents

Abstract

PURPOSE:To enhance assembling workability by integrally inserting a shade and a hood in a liminaire body, and fixing them together. CONSTITUTION:An almost cylindrical hood 5 is inserted in a shade 4 where a reflecting plate 3a having a diameter larger than an auxiliary reflecting plate 3 and an almost rotary secondary curved surface-shaped external form is arranged on one end side of a cylinder, and a guide pin fixing hole 5a of the hood 5 and a long hole 4c of the shade 4 are put together, and an elastic means 6 is inserted in a guide pin 7 from the opposite side of a step part 7c, and the guide pin 7 is inserted in the long hole 4c from outside of the shade 4 by putting the step part 7c outside, and is installed on the hood 5, and the shade 4 and the hood 5 are integrally formed. It is opened in an almost bottomed cylinder shape to the front surface side, and a lamp 2 is installed on a socket 2a installed in a bottom part 1a, and an installing leg 1c is arranged on a side wall 1b, and is inserted in a luminaire body 1 having an almost 120 deg. pitch screw inserting hole 1d on the same circumferential surface of the side wall 1c, and is fixed by a screw 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture having a reflector, and more particularly to a lighting fixture whose light distribution is variable by sliding the reflector.

[0002]

2. Description of the Related Art FIGS. 4 and 5 show a spotlight which is a conventional luminaire, and this luminaire comprises a fixture body 1, a lamp 2, an auxiliary reflector 3, a shade 4, a hood 5,
The elastic means 6 and the guide pin 7 are included.

The instrument main body 1 has a substantially bottomed cylindrical shape, is open to the front side, and is attached to the bottom portion 1a of the socket 2a.
The lamp 2 is mounted on the side wall 1b, and the side wall 1b is provided with a mounting leg 1c for mounting the apparatus body 1 on a ceiling, a wall surface, or the like, and the side wall 1c has three places on the same circumferential surface. A screw insertion hole 1d is provided. Also,
The auxiliary reflection plate 3 is a small-diameter component having an outer shape of a substantially quadric curved surface, and is attached by being caulked to an auxiliary reflection plate attachment base 3a attached near the bottom portion 1a of the instrument body 1.

The shade 4 is integrally formed with a reflecting plate 4a having a diameter larger than that of the auxiliary reflecting plate 3 and having an outer shape of a substantially quadratic curved surface, on one end side of the cylinder, and its side surface. At three locations on the same circumferential surface of 4b, elongated holes 4c are provided which extend in a direction having an acute angle with the axial direction of the shade and through which the guide pin 7 is inserted.

The hood 5 has a substantially cylindrical shape, and on the same circumferential surface thereof, a threaded guide pin fixing hole 5a is provided at a position facing the elongated hole 4c of the shade 4. Further, the elastic means 6 is a leaf spring formed in a corrugated plate shape so as to have elasticity in the vertical direction, and an insertion hole 6a through which the guide pin 7 is inserted is provided in the protruding central portion.
The guide pin 7 is cylindrical and has a male screw 7 on the outer peripheral surface on one end side.
A is provided, and a screw hole 7b is provided in a substantially central portion of the surface on the other end side.

In the luminaire thus constructed, when assembling the shade 4 and the hood 5, three leaf springs 6 which are elastic means are simultaneously pressed against the guide pin fixing holes 5a of the hood 5 to make the hood 5 Is inserted into the shade 4, the guide pin fixing holes 5a at three positions of the hood 5 are aligned with the insertion holes 6a of the leaf spring 6 and the long hole 4c of the shade 4, and the guide pin 7 is inserted from the outside of the shade 4. Hood 5
It is assembled by screwing the guide pin 7 into. And
After inserting them into the fixture body 1, align the screw hole 7b of the guide pin 7 with the screw insertion hole 1d of the fixture body, and tighten the screws 8 from the outside of the fixture body 1 to assemble the lighting fixture. It was

With this structure, the shade 4
If the shade 4 is rotated, the shade 4 slides along the long hole 4c, and the reflector 4a provided integrally with the shade 4 slides to the front side or the rear side of the luminaire, and the two-dot chain line in FIG. As shown by, the position is changed, the beam angle is changed, and the light distribution can be changed. At this time, the leaf spring 6, which is an elastic means, exists between the shade 4 and the hood 5, and the action of the spring makes the rotation of the shade 4 smooth.

[0008]

However, in the conventional lighting apparatus configured as described above, when assembling the lighting apparatus, the three leaf springs 6 which are elastic means are simultaneously pressed against the hood 5 to make the hood. Since it is necessary to insert 5 into the shade 4, the work is extremely difficult to perform and the workability of assembling is extremely poor.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a lighting fixture having excellent workability in assembling.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a lamp 2 in which the lamp 2 is housed and a side wall 1b is provided on the side of the lamp 2. And a hood 5 fixed to the inner surface of the side wall 1b of the appliance body 1 via a guide pin 7, and a reflector 4a for reflecting the light of the lamp 2 to the front side of the appliance body 1. It has a shade 4 which is integrated and is movably attached to the front side of the instrument body 1 between the instrument body 1 and the hood 5, and the movement of the shade 4 causes light distribution. In a variable lighting fixture, a step portion 7c is provided on one end side of the guide pin 7 so as to project in a direction substantially perpendicular to the axis of the guide pin 7, and the step portion 7c is provided on the side wall 1b of the fixture body 1. As a side, attach the guide pin 7 to the hood 5, Between serial the step portion 7c of the guide pins 7 hood 5, it is characterized in that the interposed elastic means 6.

The invention according to claim 2 is characterized in that a spacer 9 is interposed between the elastic means 6 and the hood 5.

[0012]

As described above, according to the present invention, the lamp body 2 is housed and the side wall 1b is provided on the side of the lamp body 1, and the lamp body 1 is provided. The hood 5 fixed to the inner surface of the side wall 1b of the device via a guide pin 7 and a reflector 4a for reflecting the light of the lamp 2 to the front side of the device body 1 are integrated together with the device body 1 And a hood 5, and a shade 4 movably attached to the front side of the fixture body 1 between the hood 5 and the guide. A step portion 7c is provided at one end of the pin 7 so as to project in a direction substantially perpendicular to the axis of the guide pin 7, and the guide pin 7 is attached to the hood 5 with the step portion 7c serving as the side wall 1b side of the instrument body 1. , The guide pin 7
Since the elastic means 6 is interposed between the step portion 7c and the hood 5, after inserting the hood 5 into the shade 4, the elastic means 6 is inserted into the guide pin 7 from the opposite side of the step portion 7c,
If the guide pin 7 is attached to the hood 5 from the outside of the shade 4 with the step portion 7c as the outside, the shade 4 and the hood 5 can be integrated, and if they are inserted into the fixture body 1 and fixed, the lighting fixture It is possible to assemble, the work that is difficult to assemble is eliminated, and the workability of assembly is improved.

According to the second aspect of the invention, since the spacer 9 is interposed between the elastic means 6 and the hood 5, the shade 4 is pressed against the hood 5 by the elastic means 6. , When Sade 4 is slid,
Since the spacer 9 has an appropriate amount of friction with the hood 5, the shade 4 can be smoothly slid.

[0014]

1 and 2 show a first embodiment of the luminaire of the present invention. The spotlight which is the luminaire mainly comprises the main body 1 of the fixture, the lamp 2 and the auxiliary reflector 3. , Shade 4, hood 5, elastic means 6, guide pin 7, and spacer 9.

The instrument main body 1 has a substantially bottomed cylindrical shape, opens toward the front side, and is attached to the bottom portion 1a of the socket 2a.
The lamp 2 is mounted on the side wall 1b, and the side wall 1b is provided with a mounting leg 1c for mounting the fixture body 1 on a ceiling or a wall surface. A screw insertion hole 1d is provided at the location. The auxiliary reflection plate 3 is a small-diameter component having an outer shape of a substantially quadric curved surface, and is a bottom portion 1 of the instrument body 1.
It is caulked and attached to the auxiliary reflector mounting base 3a mounted in the vicinity of a.

The shade 4 is integrally formed on one end side of the cylinder with a reflector plate 4a having a diameter larger than that of the auxiliary reflector plate 3 and having an outer shape of a substantially rotational quadratic curved surface. Long holes 4c that extend in a direction having an acute angle with the axial direction of the shade and have a width that allows the guide pin 7 to be inserted are provided at three locations on the same circumferential surface of the side surface 4b at a pitch of approximately 120 degrees. .

The hood 5 has a substantially cylindrical shape, and on the same circumferential surface thereof, a threaded guide pin fixing hole 5a is provided at a position facing the elongated hole 4c of the shade 4. Further, the elastic means 6 is a wave washer 6 formed in a corrugated plate shape so as to have elasticity in the vertical direction, and an insertion hole 6a through which the guide pin 7 is inserted is provided in the protruding central portion. The guide pin 7 has a columnar shape and is provided on one end side thereof with a step portion 7c protruding in a direction perpendicular to the axis thereof, and on the outer peripheral surface on the other end side thereof, a male screw 7a is provided and at the substantially central portion of the end surface. Is provided with a screw hole 7b. That is, the guide pin 7 has a substantially stepped columnar shape like the flat head screw. In addition, the spacer 9
Is a resin washer having a hole 9a through which the guide pin 7 can be inserted.

In assembling the shade 4 and the hood 5 in the thus constructed lighting device, first, the hood 5 is inserted into the shade 4, and the guide pin fixing hole 5a of the hood and the long hole 4c of the shade 4 are inserted. Align, guide pin 7 and step 7c
Insert the elastic means 6 from the opposite side of the
If the long hole 4c is inserted from the outside of the shade 4 with the stepped portion 7c as the outside and attached to the hood 5, the shade 4 and the hood 5
And can be integrated. In addition, the lighting fixture can be assembled by inserting it into the fixture body 1 and fixing it with the screw 8.

With this construction, in the luminaire of this embodiment, the wave washer 6 which is the elastic means can be mounted from the outside of the shade 4, and the wave washer 6 is a stepped portion of the guide pin 7. Since it is held between the shade 4 and the shade 4 by 7c, the work which is difficult to assemble such as the work in which the three leaf springs 6 are pressed at the same time is eliminated, the workability of the assembly is improved, and the elastic means is provided. Since the wave washer 6 has elasticity in the axial direction of the guide pin 7, the shade 4 is appropriately pressed against the hood 5 side, and smooth rotation of the shade 4 is obtained.

FIG. 3 shows a second embodiment of the luminaire of the present invention. The difference from the first embodiment is that the elastic means 6 is a coil spring instead of the wave washer,
Others are configured similarly to the first embodiment. Even with this configuration, the same effect as that of the first embodiment can be obtained.

In each of the above embodiments, the spacer 9 is made of resin, but the present invention is not limited to this, and a metal spacer may be used. In the above description, the reflection plate 4a is described as being integrally formed with the shade 4, but the present invention is not limited to this, and the reflection plate and the shade are separately prepared and welded, caulked, or screwed. Of course, it may be integrated by means such as. Furthermore,
In each of the above embodiments, the outer shape of the reflection plate 4a is substantially rotated.
Although it has a quadric surface, the present invention is not limited to this,
Needless to say, the outer shape may be formed like a slope of a truncated cone.

[0022]

As described above, according to the first aspect of the present invention, the lamp body is housed and the side wall of the lamp is provided with a side wall, and an inner surface of the side wall of the main body. Side fixed via a guide pin to a hood and a reflector for reflecting the light of the lamp to the front side of the instrument body, and the front side of the instrument body between the instrument body and the hood. A luminaire having a shade attached so as to be movable in the lateral direction, wherein the light distribution is variable by the movement of the shade, in one end side of the guide pin, a direction substantially perpendicular to the axis of the guide pin. In addition to providing a protruding step on the side, the guide pin is attached to the hood with the step being the side wall side of the instrument body, and elastic means is interposed between the step of the guide pin and the hood. Hood inserted By inserting elastic means into the guide pin from the opposite side of the step and attaching the guide pin to the hood from the outside of the shade with the step as the outside, the shade and the hood can be integrated, and The luminaire can be assembled by inserting and fixing it in the main body, and the work that is difficult to assemble is eliminated and the workability of assembly is improved.

Further, in the invention of claim 2, since the spacer is interposed between the elastic means and the hood, in addition to the effect of the invention of claim 1, the shade is hooded by the elastic means. Although the spacer is pressed against, when the shade is slid, the spacer has an appropriate friction with the hood, so that the shade can be smoothly slid.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional side view showing a first embodiment of a lighting fixture of the present invention.

FIG. 2 is an exploded perspective view of an essential part of the above.

FIG. 3 is a partial cross-sectional side view showing a second embodiment of the lighting fixture of the present invention.

FIG. 4 is a partial cross-sectional side view of a conventional lighting fixture.

FIG. 5 is an exploded perspective view of an essential part of the above.

[Explanation of symbols]

 1 Instrument Main Body 1b Sidewall 2 Lamp 4 Cede 4a Reflector 5 Hood 6 Elastic Means 7 Guide Pin 7c Step 9 Spacer

Claims (2)

[Claims] 1. An instrument main body which houses a lamp and is provided with a side wall on the side of the lamp, a hood fixed to an inner surface side of the side wall of the instrument main body through a guide pin, and a light for the lamp. And a shade that is integrated with a reflection plate that reflects to the front side of the instrument body, and is attached between the instrument body and the hood so as to be movable in the front side direction of the instrument body. In a lighting fixture in which light distribution is variable by movement of a shade, a step portion is provided on one end side of the guide pin so as to project in a direction substantially perpendicular to the axis of the guide pin, and the step portion is provided on the main body of the fixture. A luminaire characterized in that a guide pin is attached to the hood as a side wall side, and an elastic means is interposed between the step portion of the guide pin and the hood. 2. The luminaire according to claim 1, wherein a spacer is interposed between the elastic means and the hood.