JPH117826A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the external appearance when viewed from under by arranging a support arm on a lamp body part, and realize a directional lamp body shape by rotatably installing stand of the support arm having an auxiliary illumination installing part on the upperside of the lamp body part having a lamp. SOLUTION: A part of a cross-sectional U-shaped outer peripheral side wide part 2a of an annular installing stand 2 which has an outside diamter smaller than a lamp body part 1 and is placed in an annular recessed part on its upper surface, is mouthed on a peripheral edge part of a lamp body part main body 1a, and a part on the inner peripheral side more than a state-upped part 22 of an inner peripheral side with part 2b is mounted on a central part of the lamp body part main body 1a. A collar-shaped connecting part 10 of an installing part 12 on which the lamp body part 1 is installed, covers an inner peripheral side upper part of the installing stand 2, and a tip suspending piece 23 engages with an outer periphery of the state-upped part 22, and the installing stand 2 is rotatably regulated between an installing part 12 projecting from its central hole 25 and the lamp body part main body 1a. A support arm 3 which has a auxiliary illumination installing part and is separately installed in the radial direction from the center on the installing stand 2, is composed of an arm case 28 and a support arm part 29 to slidingly move in this, and can be extended and contracted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art A first conventional example (for example, Japanese Utility Model Laid-Open No. 57-13611)
No. 2) is shown in FIG. That is, this lighting fixture is provided with a supporting arm
The auxiliary lighting fixture 101 is provided via
2 was made to be able to rotate and extend. FIG. 19 shows a second conventional example (for example, Japanese Utility Model Laid-Open No. 3-22810). That is, in this lighting fixture, the support arm 102 is rotatably provided on the lower surface of the lamp body 100.

[0003]

In the first prior art, since the lamp body 100 rotates simultaneously with the rotation of the support arm 102, the lamp body has a directional shape. There was a drawback that it could not be applied to In the second conventional example, although the lamp body 100 does not rotate, there is a disadvantage that the appearance is poor because the support arm 102 is located below the lamp body 100.

Accordingly, it is an object of the present invention to provide a lighting device in which a support arm can be arranged on a lamp body and the lamp can be fixed and the support arm can be rotated.

[0005]

According to a first aspect of the present invention, there is provided a lighting apparatus including a lamp body having a lamp, a mounting base rotatably provided above the lamp body, and an auxiliary lighting mounting section. And a support arm attached to the mounting base. According to the luminaire of the first aspect, since the support arm is above the lamp body, the appearance from below is improved, and since the mounting base is provided rotatably on the lamp body, the lamp body rotates. The support arm can be rotated without any need, and can be extended to a directional lamp body.

According to a second aspect of the present invention, in the lighting apparatus according to the first aspect, the mounting base is substantially annular, and the lamp body has a mounting portion projecting from a center hole of the mounting base. According to the lighting device of the second aspect, in addition to the effect of the first aspect, a guide for rotating the mounting base can be formed in the lamp body portion, and it is not necessary to separately provide a guide, so that the structure can be simplified.

According to a third aspect of the present invention, in the lighting apparatus according to the second aspect, the support arm is mounted at a position radially away from the center of the mounting base. According to the lighting apparatus of the third aspect, in addition to the effect of the second aspect, since the rotational moment is increased, the supporting arm can be easily rotated when gripping and rotating the tip of the supporting arm.

According to a fourth aspect of the present invention, in the lighting apparatus according to any one of the first, second, and third aspects, the mounting base is mounted on an upper surface of the lamp body, and the lamp body is located behind the support arm. The rear end of the support arm has a protruding portion facing above the rotation trajectory on the end side, and a restricting protruding portion that can hit the protruding portion when the distal end side of the support arm is pulled down. It is provided in.

According to the lighting apparatus of the fourth aspect, in addition to the effects of the first, second, or third aspect, an extraordinary force is applied to the tip of the support arm, and the mounting base may float. Even so, the projecting portion hits the overhanging portion, so that the center of the lamp body is not overloaded and the support arm can be securely held, and the projecting portion hits the projecting portion and does not hit the ceiling, for example, so that the ceiling is not damaged. .

According to a fifth aspect of the present invention, in the lighting apparatus according to the first, second, third, or fourth aspect, the auxiliary lighting attachment portion varies the distance of the support arm from the lamp body portion. Is what it is. According to the luminaire of the fifth aspect, in addition to the effects of the first, second, third, or fourth aspects, the adjustment or change of the orientation can be performed because the distance of the auxiliary illumination mounting portion to the lamp body is variable. Becomes easier.

According to a sixth aspect of the present invention, in the luminaire according to the fifth aspect, the support arm is extendable. According to the lighting apparatus of the sixth aspect, in addition to the effect of the fifth aspect, since the auxiliary illumination mounting portion moves together with the support arm, even if the auxiliary illumination is brought close to the main illumination, for example, only an unnecessary arm does not remain and the external appearance. Will be better.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. That is, this lighting fixture has the lamp body 1, the mounting base 2, and the support arm 3. The lamp unit 1 has a lamp 4, and in the embodiment, as shown in FIG. 5, a lamp socket 5 which is attached to the lower surface of the lamp unit main body 1a to turn on the ring-shaped lamp 4 and blinks the lamp 4. The lighting device (not shown) includes a globe 6 covering the lamp 4 mounted on the lamp socket 5. 36 is a glove mounting part. The lamp body 1 has an annular concave portion 7 formed on the upper surface, an electric wire lead-in hole 8 formed in the center, and a mounting portion 12 provided with a heavenly tubular and brim-shaped connecting portion 10 at the center position. The mounting member 13 is used. The ceiling part 12a of the mounting part 12 is provided with a sealing hole 1 at the center.
4, and a substantially bar-shaped mounting hole 15 is formed in the periphery of the sealing hole 14, so that the hooking sealing 1 shown in FIG.
The thumb screw 18 provided on the mounting plate 17 of No. 6 is passed through the large diameter portion of the mounting hole 15, and the neck of the thumb screw 18 is passed through the narrow portion so that the thumb screw 18 can be tightened. A flange 19 is attached to a top portion of the mounting portion 12 as a projecting portion of the mounting portion 12 with a mounting tool 20 such as a screw, and a peripheral portion of the flange 19 abuts on a ceiling surface to fix the lamp body portion 1 directly to the ceiling. Then, it is made to be a lighting fixture directly attached, and the electric wire of the hanging ceiling 16 is attached to the sealing hole 1.
The lamp body 1 is drawn into the lamp body 1 through the wire 4 and the wire inlet hole 8.

The mounting base 2 is rotatably provided above the lamp body 1. The mounting base 2 according to the embodiment has a substantially annular shape having an outer diameter smaller than the outer diameter of the lamp body portion 1, and has a substantially U-shaped cross section having wide portions formed on both sides. The central portion is placed in the concave portion 7, and the wide portion 2a on the outer peripheral side partially covers the peripheral portion of the lamp body main body 1a, and the wide portion 2 on the inner peripheral side.
b has a stepped portion 22, and the inner peripheral side of the stepped portion 22 is partially mounted on a central portion of the lamp body main body 1 a.
The connecting portion 10 covers the upper side on the inner peripheral side of the mounting base 2, and the hanging piece 23 at the tip thereof is engaged with the outer periphery of the step-up portion 22.
Therefore, the mounting portion 12 protrudes from the center hole 25 of the mounting base 2 and restricts the mounting base 2 between the mounting portion 12 and the lamp body main body 1a so as to be rotatable.

The support arm 3 has an auxiliary illumination mounting portion 9 and is mounted on the mounting base 2. The support arm 3 according to the embodiment is mounted at a position radially away from the center of the mount 2. That is, the rear end side of the support arm 3 is the mounting portion 1
The support arm 3 is attached to the outer periphery of the mounting base 2 at two locations near the outer periphery of the mounting base with a mounting tool 26 such as a screw. 27
Denotes a mounting receiving portion provided on the mounting base 2.

The auxiliary lighting attachment 9 changes the distance of the support arm 3 from the lamp body 1. In the embodiment, the support arm 3 is configured to be extendable. That is, the support arm 3 includes an arm case 28 and a support arm portion 29. The support arm portion 29 is slidably fitted to the arm case 28, and the arm case 28 is attached to the mount 2. The arm case 28 has a channel shape, and the support arm portion 29 is formed by folding a pipe, for example, a hollow steel tube into two and forming a substantially U-shape. The auxiliary lighting attachment portion 9 is provided at the bent portion. As shown in FIG. 5, the auxiliary lighting attachment 9 has a hook 33 on which a hanging cord 34 having a hooking ceiling cap (not shown) of the auxiliary lighting fixture is hooked and suspended. 35 is a hook 33
It is a cover for covering the.

The support arm 3 has a restricting projection 30 which is provided on the rear end side of the support arm 3 and contacts a projection when the distal end is pulled down. In the embodiment, the projection 30 has a substantially gate shape, and a projection 31 is provided at the upper end thereof. Therefore, the projecting portion 30 on the rear end side of the support arm 3 is opposed to the flange 19 which is a protruding portion above the rotation trajectory, and the tip end side of the support arm 3 hits the flange 19 when it is pulled down abnormally, for example. Can be.

According to the first embodiment, the support arm 3
Is located on the upper side of the lamp body part 1 so that the appearance from below is improved. Since the mounting base 2 is rotatably provided on the lamp body part 1, the support arm 3 rotates without the lamp body part 1 rotating. It can also be applied to directional lamps. Further, a guide for rotation of the annular mounting base 2 can be formed on the lamp body portion 1, and there is no need to separately provide a guide, so that the structure can be simplified.

Since the support arm 3 is mounted at a position radially distant from the center of the mounting base 2, the rotational moment is increased, so that it is easy to rotate when gripping and rotating the tip of the support arm 3. An abnormal force is applied to the tip of the support arm 3 by the protruding portion 30 for regulation, and
If the projections 30 float,
Because it hits 9, the overload is not applied to the center of the lamp body part 1,
The support arm 3 can be securely held, and the protrusion 30
Hits the flange 19 and does not hit the ceiling, for example, so that the ceiling is not damaged.

Since the distance of the auxiliary lighting attachment section 9 to the lamp body section 1 is variable, it is easy to adjust and change the orientation. further,
Since the support arm 3 can be extended and contracted,
Moves together with the support arm 3, so that, for example, even when the auxiliary lighting is brought close to the main lighting, only unnecessary arms remain and the appearance is improved.

FIGS. 6 to 8 show a second embodiment of the present invention. That is, the difference from the first embodiment is that the mounting base 2 is formed in a disk shape having a central hole, the cylindrical portion 40 is formed on the inner peripheral side, and the upper end thereof is connected to the lower surface of the flange 19. An engaging ring-shaped engaging portion 41 is formed, and a hanging piece 42 formed on an inner peripheral end of the engaging portion 41 is engaged with a ring-shaped concave step 43 formed on an outer peripheral edge of an upper end of the mounting portion 12. And
Further, the outer peripheral end of the mounting base 2 is brought into contact with the lamp body main body 1a by a contact member 44.
Is placed via the The support arm 3 is mounted on the upper surface of the mounting base 2 at the outer periphery of the cylindrical portion 40.

Others are the same as the first embodiment.
Common parts are denoted by the same reference numerals. FIG. 9 shows a third embodiment of the present invention. That is, the difference from the first embodiment is that the support arm 3 is rotatably mounted on the mounting base 2 by the mounting means 45. Further, the support arm 3 is obtained by folding a rod-shaped member such as a hollow steel tube into two in a substantially U-shape, and has no arm case. According to this embodiment, the support arm 3 is rotated around the center of the lamp body 1 together with the rotation of the mounting base 2 and is rotated about the mounting position of the support arm as shown in FIG. Thus, the auxiliary lighting fixture mounting portion 9 can be moved toward and away from the lamp body portion 1.

The other parts are the same as in the first embodiment.
The third embodiment can be applied to the second embodiment, and may be mounted directly on the lamp body 1 without the mounting base 2 or mounted on the non-rotating mounting base 2. Further, the auxiliary lighting fixture mounting portion 9 may be configured to be slidable on the support arm 3. FIG. 10 shows a fourth embodiment of the present invention. That is, the difference from the first embodiment is that the support arm portion 29 of the support arm 3 is formed by a channel having an upward opening that is slidably fitted to the arm case 28. According to this embodiment, the power supply line passing through the arm case 28 and the support arm portion 29 is not seen from below, so that the appearance is improved.

The other parts are the same as in the first embodiment.
In the present invention, the mount 2 is placed on the upper surface of the lamp body 1 and is regulated by the mount 12 and the flange 19. Or the like, or may be rotatably hung on the flange 19.

The following shows the power supply means of the auxiliary lighting fixture. FIGS. 11 to 13 show a first example of the auxiliary lighting device.
Is shown. In FIGS. 11 and 12, reference numeral 60 denotes a hanging ceiling body mounting base, which is mounted on the periphery of the upper surface of the lamp body 1a. Reference numeral 61 denotes a rectangular hanging ceiling body on which the hanging ceiling cap of the auxiliary lighting device is hooked, which is attached to the hanging ceiling body mount 60. Reference numeral 62 denotes a lead wire, which is wired into the lamp body 1 through a hole 63 formed in the lamp body 1a. FIG. 13 shows the interior of the lamp unit 1, 64 is a lighting device for the main lighting, 65 is a power supply line connected to the hanging ceiling 16, 66 is a control device for the auxiliary lighting, 67 is a control signal line for the auxiliary lighting, 68 Is the lighting device 6
Power is sent from 4 to the controller 66, and 69 is an infrared light receiving unit. By transmitting a signal from the handy transmitter to the infrared receiver 69, the main illumination and the auxiliary illumination can be turned on or off individually or simultaneously.

FIGS. 14 and 15 show the second power supply means of the auxiliary lighting device. The difference from the first power supply means is that the main lighting switch 70 and the auxiliary lighting switch 71 are connected to the lamp body. 1, and a main lighting switch lever 72 and an auxiliary lighting switch lever 73 for operating the respective switches are provided in the lamp body main body 1a. Therefore, the first power supply means is similar, but the auxiliary lighting device does not need a switch, and can be applied to an auxiliary lighting device without a switch.

FIG. 16 shows that the hanging ceiling body mounting base 60 is rotatably mounted on the lamp body 1a by a shaft 75 so that the hook sealing body 61 can be protruded and retracted from the periphery of the lamp body 1a. FIG. 17 shows a case in which the hanging ceiling body mounting base 60 is slidably mounted on a long hole 76 formed in the lamp body main body 1a by a shaft 75, and the hook sealing body 61 is advanced and retreated.
a is protruding from the periphery of a.

In the first embodiment, the lead wire 62
In the second embodiment, a hole is formed in the vicinity of the ceiling body mounting base 60 by hooking the lead wire 62 on the periphery of the lamp body main body 1a, and the lead wire 62 is pulled out from the hole. Can be Further, in the present invention, the power supply means is not limited to the above embodiment.

[0028]

According to the lighting apparatus of the first aspect, since the support arm is located above the lamp body, the appearance from below is improved, and the mounting base is provided on the lamp body so as to be rotatable. The support arm can rotate without the body rotating,
It can be applied to directional lamps.

According to the lighting apparatus of the second aspect, in addition to the effects of the first aspect, a guide for rotating the mounting base can be formed in the lamp body, and it is not necessary to separately provide a guide, so that the structure is simplified. it can. According to the lighting fixture of claim 3, claim 2 is provided.
In addition to the effect described above, the rotation moment is increased, so that the support arm can be easily rotated when the tip is gripped and rotated.

According to the lighting apparatus of the fourth aspect, in addition to the effects of the first, second, or third aspect, an extraordinary force may be applied to the tip of the support arm to cause the mounting base to float. Even so, the projecting portion hits the overhanging portion, so that the center of the lamp body is not overloaded and the support arm can be securely held, and the projecting portion hits the projecting portion and does not hit the ceiling, for example, so that the ceiling is not damaged. .

According to the lighting apparatus of the fifth aspect, in addition to the effects of the first, second, third, or fourth aspects,
Since the distance of the auxiliary lighting attachment portion to the lamp body portion is variable, it is easy to adjust and change the orientation. According to the lighting apparatus of the sixth aspect, in addition to the effect of the fifth aspect, since the auxiliary illumination mounting portion moves together with the support arm, even if the auxiliary illumination is brought close to the main illumination, for example, only an unnecessary arm does not remain and the external appearance. Will be better.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention in which a flange is removed and a part is cut away.

FIG. 2 is an enlarged view of the cutout portion.

FIG. 3 is an exploded perspective view.

FIG. 4 is a partial sectional view.

FIG. 5 is a half sectional side view of the entire lighting fixture.

FIG. 6 is an exploded perspective view of the second embodiment with a flange removed.

FIG. 7 is an exploded perspective view in which a mounting base of the lamp body is also separated.

FIG. 8 is a partial sectional view.

FIG. 9 is a half plan view of the third embodiment.

FIG. 10 is a perspective view of a support arm according to a fourth embodiment.

FIG. 11 is a partial perspective view of a first power supply unit.

FIG. 12 is a partial perspective view seen from above.

FIG. 13 is a bottom view of the lamp body seen from below.

FIG. 14 is a partial perspective view of a second power supply unit.

FIG. 15 is a bottom view of the lamp body seen from below.

FIG. 16 is a partial perspective view of another power supply unit.

FIG. 17 is a partial perspective view of still another power supply unit.

FIG. 18 is an exploded perspective view of the first conventional example.

FIG. 19 is a side view of a second conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lamp body 2 Mounting base 3 Support arm 4 Lamp 9 Auxiliary lighting mounting part 12 Mounting part 19 Flange which becomes an overhang part 28 Arm case 29 Support arm part 30 Projection part

Claims (6)

[Claims] 1. A lamp body having a lamp, a mounting base rotatably provided above the lamp body, and a support arm having an auxiliary lighting mounting part mounted on the mounting base. Lighting equipment provided. 2. The lighting apparatus according to claim 1, wherein the mounting base is substantially annular, and the lamp body has a mounting portion projecting from a center hole of the mounting base. 3. The luminaire according to claim 2, wherein the support arm is mounted at a position radially away from a center of the mount. 4. The mounting arm is mounted on an upper surface of the lamp body, the lamp body having a projecting portion facing above a rotation trajectory on a rear end side of the support arm, The lighting device according to claim 1, wherein a rearward end of the support arm is provided with a restricting projection that can hit the overhang when the front end of the support arm is pulled down. 5. 5. The lighting device according to claim 1, wherein the auxiliary lighting attachment portion changes the distance of the support arm from the lamp body portion. 6. The lighting device according to claim 5, wherein the support arm is extendable.