JPH03127402A - Lighting equipment - Google Patents

Abstract

PURPOSE:To shorten the length of protrusion of a supporting tool from a reflecting plate, and to adopt a thin globe, so as to elongate a spring by supporting the supporting tool to the reflecting plate with the reflecting plate penetrated, and by locating a supporting rod and a spring at the highest position of the supporting rod with the upper and lower surfaces of the reflecting plate covered. CONSTITUTION:A supporting tool 9 is supported by a reflecting plate 3 in a condition with the reflecting plate 3 is penetrated, by the supposing tool 9 while supporting rod 4 and spring 10 are located from upper surface to the lower surface of the reflecting plate 3, at a highest position of the supporting rod 4. The length (h) of protrusion of the supporting tool 9 from the reflecting plate 3 can be shortened thereby, while the adoption of a thin globe 7 is possible, and the spring 10 can be lengthened, so as to improve shock absorption. To the requirement that lighting parts 1 are used as high frequency lighting circuit parts, by providing a metal part 12 and a lid 13 made of an insulating material, which is to be fixed on the upper end of the main part 12, on the supporting tool 9, isolation between the circuit parts and the metal main part 12 is facilitated.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an improvement in a lighting fixture that can support a glass globe with good cushioning properties.

[Prior Art] Conventionally, a lighting fixture capable of supporting a glass globe with good cushioning properties is disclosed in Japanese Utility Model Publication No. 58-33611.

[Problems to be Solved by the Invention] In the above-mentioned prior art, since the glove support is provided on the lower surface of the reflector plate attached to the lower surface of the chassis to house the stabilizer, the protruding length of the support is considerably large. As a result, it becomes an obstacle to making the glove thinner, does not satisfy design requirements, and has the inherent problem of being expensive.

Therefore, an object of the present invention is to solve the above-mentioned problems, to easily realize a thin globe, and to adapt the globe to a lighting fixture having a high-frequency lighting circuit component used in place of a conventional ballast.

[Means for Solving the Problems] The present invention provides a chassis provided with a lighting component on the lower surface, a reflector plate attached to the chassis that covers the lower surface of the lighting component, and a support provided protruding from the lower surface of the reflector. a rod, a hole through which the support rod passes, a glove whose mouth edge engages the chassis, and a knob screwed into the lower end of the support rod, the support rod passing through the reflector. A spring housed inside the support supported by the reflector and a rotation stopper protruding through the bottom surface of the support and fixed to the upper end of the support rod are fixed to the support in a non-rotatable manner. At the highest position of the support rod, the support rod and the spring constitute a lighting fixture located over the upper and lower surfaces of the reflector.

Further, in the above configuration, the dot element is a high-frequency lighting circuit component, and the support is a guide that houses a support rod and a spring and can non-rotatably fit the rotation stopper when the support rod is lowered. a lid made of an insulating material and having a guide portion fixed to the upper end of the main portion and non-rotatably fitted with the rotation stopper at the highest position of the support rod; Both guides can be continuously constructed luminaires.

[Function] According to the present invention, the support is supported by the reflector while passing through the reflector, and the support rod and the spring are located across the upper and lower surfaces of the reflector at the highest position of the support rod. , the protrusion length of the support from the reflector can be shortened, a thin glove can be used, and the spring can be made longer, so the cushioning performance can be improved.

In addition, in response to the demand for lighting components to be high-frequency lighting circuit components, the support is equipped with a main part made of metal and a lid made of an insulating material that is fixed to the upper end of the main part. Easily ensures insulation between the parts and the metal main part. Since the main part and the lid are provided with continuous guide parts, the rotation stopper can move smoothly as the support rod moves.

[Example] Embodiments of the present invention will be described with reference to the drawings.

The lighting device of this embodiment includes a chassis 2 having a lighting component 1 made of a high-frequency lighting circuit component on its lower surface, a reflector 3 that covers the lower surface of the lighting component 1 and is attached to the chassis 2, and a reflector 3 that covers the lower surface of the lighting component 1 and is attached to the chassis 2.
A support e14 protruding from the lower surface, a glass globe holder having a hole 5 through which the support rod 4 passes and whose opening edge 6 engages the chassis 2, and a knob 8 screwed onto the lower end of the support II4. We are prepared.

Then, the support rod 4 is inserted into the reflector 3 while passing through the reflector 3.
A spring 1 housed inside a support 9 supported by
A rotation stopper 11 is fixed to the upper end of the support rod 4 and is non-rotatably fitted to the support 9, and the support rod 4 and the spring 10 are fixed at the highest position of the support rod 4. It is located across the upper and lower surfaces of the reflecting plate 3.

More specifically, the support 9 is made of a metal main body having a guide portion 12a that accommodates the support rod 4 and the spring 1o and allows the rotation stopper 11 to be fitted in a non-rotatable manner when the support rod 4 is lowered. part 12, and a lid 13 made of an insulating material and having a guide part 13a which is fixed to the upper end of the main part 12 and which non-rotatably fits the rotation stopper 11 at the highest position of the support rod 4, both guide parts L2a, 13a is constructed continuously.

For example, the main part 12 and l113 are attached to the reflector 3 by screw i4.
are fixed together by

In this embodiment, the main portion 12 is cylindrical,
It has a good appearance. In addition, the planar shape of the rotation stopper 11 is elliptical (oval shape) or square, etc., and the cross-sectional shape of the main part 12 and the guide parts 12a, 13a of the lid 13 is elliptical (oval shape), square, etc. The rotation stopper 11 is fitted onto the upper part 2 and the lid 13 in a non-rotatable manner.

Furthermore, an annular fluorescent lamp 17 supported by a socket 15 and a holder 16 is provided on the lower surface of the chassis 2 .

To attach the glover to the chassis 2, the support 1fi4 is passed through the hole 5 of the glove 7, and the knob 8 is screwed onto the lower end of the support rod 4. At this time, when the mouth edge 6 of the glove 7 and the chassis 2 are engaged and tensioned against each other, the spring 10 is attached to the support rod 4 via the rotation stopper 11.
! Since the street force acts on the glove 7, the glove 7 can be installed with good cushioning properties, and damage to the glove 7 can be prevented.
Even if there are variations in height, this can be absorbed.

In FIG. 1, the rotation stopper 11 has reached the main part 12, but the tightening of the knob 8 is different depending on the degree of tightening of the knob 8 or the glove 7.
Depending on the degree of variation in the height of the rotation stopper 11
may not reach the main part 12 and may remain within the range of N13.

According to the above configuration, the support 9 is supported by the reflector 3 while passing through the reflector 3, and the support 114 and the spring 10 are connected to the reflector 3 at the highest position of the support rod 4.
Since the support 90 is located over the upper and lower surfaces of the reflector 3, the protrusion length h (shown in FIG. 1) from the support 90 can be shortened, and a thin globe 7 can be used. You can improve your sexuality.

In addition, in response to the demand for the lighting component 1 to be a high-frequency lighting circuit component, the support 9 includes a main part 12 made of metal and an N13 made of an insulating material fixed to the upper end of the main part 12. Insulation between the high frequency lighting circuit components and the metal main portion 12 is easily ensured. And main part 12 and N13
Since the guide portions 12a and 13a are provided in a continuous manner, the rotation stopper 11 can be smoothly moved along with the movement of the support rod 4.

In this embodiment, the support 9 has a horizontally divided structure consisting of the main part 12 and the lid 13, but it may also be vertically divided, or if the appearance is not important, the structure described in Japanese Utility Model Publication No. 58-33611, No. 2 As shown in the figure, a pair of opposing side surfaces may be opened. Further, although the reflector plate 3 covers the entire lower surface of the lighting component 1, it may also be shaped like a U-shape so as to partially cover it.
, ``The term "reflector j" is also used in accordance with this embodiment, and the point is that any reflector has any level of reflection performance as long as it can support the support A9.

[Effects of the Invention] As described above, according to the present invention, gloves! ! ! In addition to being able to support the user in a city-friendly manner, the protruding length of the support from the reflective plate can be shortened, which allows for the use of thin gloves, contributes to improved design, and allows for inexpensive supply.

In addition, in response to the demand for lighting components to be high-frequency lighting circuit components, the support is equipped with a main part made of metal and a lid made of an insulating material that is fixed to the upper end of the main part. Insulation between the parts and the metal main part can be easily ensured, improving safety.Furthermore, by providing a continuous guide part on the main part and the lid, the movement of the support rod relative to the support can be improved. This enables smooth movement of the rotation stopper, allowing for smooth operation of putting on and taking off gloves.

[Brief explanation of the drawing]

FIG. 1 is a half-sectional view showing an embodiment of the present invention, FIG. 2 is an enlarged half-sectional view of the same main part, and FIG. 3 is an exploded view of the same. 1...Lighting parts (high frequency lighting circuit parts), 2.
...Chassis, 3...Reflector, 4...
... Support rod, 5 ... Hole, 6 ... Mouth edge, 7 ... Glove, 8 ... Knob,
9...Support, 10...Spring,
11...Rotation stopper 12...Main part, L2. a... Guide part, 13... Lid, 13 a -- Guide part.

Claims (2)

[Claims] (1) A chassis with a lighting component provided on the bottom surface, a reflector plate attached to the chassis that covers the bottom surface of the lighting component, a support rod provided protruding from the bottom surface of the reflection plate, and a hole for the support rod to pass through. a glove that engages the mouth edge with the chassis; and a knob that is screwed onto the lower end of the support rod; the support rod is supported by the reflector while passing through the reflector; A rotation stopper is fixed to the upper end of the support rod, and is fixed to the upper end of the support rod, and is fixed to the upper end of the support rod. A lighting fixture in which a rod and a spring are located across the upper and lower surfaces of the reflector. (2) The lighting component is a high-frequency lighting circuit component, and the support is made of metal and has a guide part that accommodates a support rod and a spring and allows the rotation stopper to be fitted in a non-rotatable manner when the support rod is lowered. and a lid made of an insulating material and having a guide part that is fixed to the upper end of the main part and that non-rotatably fits the rotation stopper at the highest position of the support rod, and both the guide parts are continuous. 2. The lighting device according to claim 1, wherein the lighting device is configured as follows.