JPH0736283B2 - lighting equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to an improvement of a lighting fixture capable of supporting a glass globe with a good cushioning property.

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

[Problems to be Solved by the Invention] In the above-mentioned conventional technique, since the support for the glove is provided on the lower surface of the reflection plate attached to accommodate the stabilizer on the lower surface of the chassis, the protruding length of the support is considerably large. Therefore, there has been an inherent problem that it becomes an obstacle to making the glove thinner, the requirement in terms of design cannot be satisfied, and the glove becomes expensive.

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

[Means for Solving the Problem] The present invention is directed to a chassis having a lighting component on its lower surface, a reflecting plate covering the lower surface of the lighting component to the chassis, and a support provided so as to project from the lower surface of the reflecting plate. A rod, a glove having a hole through which the support rod passes, a rim of which engages with the chassis, and a knob screwed to a lower end of the support rod, the support rod passing through the reflection plate. Then, a rotation stopper, which protrudes through the spring housed inside the support tool supported by the reflector and the bottom surface of the support tool, and which is non-rotatably fitted to the support tool, is fixed to the upper end of the support rod. At the highest position of the support rod, the support rod and the spring constitute a lighting device that is positioned over the upper and lower surfaces of the reflection plate.

Further, in the above structure, the support includes a main part having a guide part which accommodates the support rod and the spring and can non-rotatably fit the rotation stopper when the support rod descends, and an upper end of the main part. And a lid having a guide portion that non-rotatably fits the rotation stopper at the highest position of the support rod, and both guide portions can be a lighting device that is continuously configured. Further, the lighting component may be a high-frequency lighting circuit component, the main part of the support may be made of metal, and the lid may be a lighting fixture made of an insulating material.

[Operation] According to the present invention, the support is supported by the reflector while penetrating the reflector, and the support rod and the spring are located over the upper and lower surfaces of the reflector at the highest position of the support rod. Since the protruding length of the supporting member from the reflecting plate can be shortened, a thin glove can be adopted, and the spring can be lengthened, so that the cushioning property can be improved.

In addition, since the main portion and the lid of the support tool are provided with continuous guide portions, respectively, the rotation stopper can smoothly move with the movement of the support rod. Further, in response to the requirement that the lighting component be a high-frequency lighting circuit component, even if the main part of the support is made of metal, the lid fixed to the upper end of the main part is made of an insulating material, so that Insulation between the lighting circuit parts and the metal main part is easily ensured.

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

The lighting fixture of the present embodiment is provided with a chassis 2 provided with a lighting component 1 composed of a high-frequency lighting circuit component on a lower surface thereof, a reflector 3 having a lower surface of the lighting component 1 attached to a cover chassis 2, and a reflector 3.
Of the support rod 4, which is provided on the lower surface of the support rod 4, a hole 5 through which the support rod 4 passes, and a glass globe 7 for engaging the rim portion 6 with the chassis 2, and a knob screwed to the lower end of the support rod 4. 8 and.

Then, the support bar 4 penetrates the reflection plate 3 and the reflection plate 3
Spring 10 housed inside a support 9 supported by
And a rotation stopper 11 which protrudes through the bottom surface of the support tool 9 and is non-rotatably fitted to the support tool 9 at the upper end of the support rod 4.
Is fixed, and at the highest position of the support rod 4, the support rod 4 and the spring 10 are located over the upper and lower surfaces of the reflection plate 3.

More specifically, the support 9 accommodates the support rod 4 and the spring 10 and is a rotation stopper when the support rod 4 descends.
Guide part 12a that can fit 11 non-rotatably
A lid 13 made of an insulating material having a metal main part 12 having a guide part 13a fixed to the upper end of the main part 12 and non-rotatably fitted with a rotation stopper 11 at the highest position of the support rod 4.
Both guide portions 12a and 13a are continuously formed.

For example, the main portion 12 and the lid 13 are fixed to the reflection plate 3 by screws 14 together.

In addition, in this embodiment, the main portion 12 has a tubular shape, and has a good appearance. In addition, the plane shape of the rotation stopper 11 is elliptical (oval) or prismatic, and in accordance with this, the cross-sectional shape of the main portion 12 and the guide portions 12a, 13a of the lid 13 is elliptical (oval) or rectangular. The rotation stopper 11 is non-rotatably fitted to the main portion 12 and the lid 13.

In addition, the lower surface of the chassis 2 has a socket 15 and a holder.
An annular fluorescent lamp 17 supported by 16 is provided.

To attach the globe 7 to the chassis 2, the support rod 4 is passed through the hole 5 of the globe 7, and the knob 8 is screwed onto the lower end of the support rod 4. At this time, the rim 6 of the glove 7 and the chassis 2
The support rod 4 when
Since the buffering force of the spring 10 acts on the glove 7 via the rotation stopper 11, the glove 7 can be attached with good looseness, preventing damage to the glove 7 and even if the height of the glove 7 varies. Can be absorbed. In FIG. 1, the rotation stopper 11 reaches the main portion 12, but the knob 8
The rotation stopper 11 may not reach the main portion 12 depending on the degree of tightening of the glove or the degree of variation of the height of the globe 7,
It may stay in the 13 range.

According to the above configuration, the support tool 9 is supported by the reflection plate 3 while penetrating the reflection plate 3, and at the highest position of the support rod 4, the support rod 4 and the spring 10 extend over the upper and lower surfaces of the reflection plate 3. Since the supporting member 9 is positioned in the vertical direction, the projecting length h (shown in FIG. 1) of the supporting member 9 from the reflecting plate 3 can be shortened, the thin globe 7 can be adopted, and the spring 10 can be lengthened, so that the cushioning property can be improved. .

Further, in response to the requirement that the lighting component 1 be a high-frequency lighting circuit component, the support 9 includes a metal main part 12 and a lid 13 made of an insulating material and fixed to the upper end of the main part 12. The insulation between the high-frequency lighting circuit component and the metal main part 12 is easily ensured. Since the main portion 12 and the lid 13 are provided with continuously formed guide portions 12a and 13a, the support rod 4
It enables the smooth movement of the rotation stopper 11 that accompanies the movement of.

In this embodiment, the support 9 is divided into the main part 12 and the lid 13 in the horizontal direction. However, the support 9 may be divided in the vertical direction, and if the appearance is not important, the second one in Japanese Utility Model Publication No. 58-33611 is used. The shape may be such that a pair of opposite side surfaces are opened as shown in the figure. Further, although the reflector 3 covers the entire lower surface of the lighting component 1, it may have a substantially U-shape so as to cover a part thereof, and the term "reflector" is also used in accordance with this embodiment. However, the point is that the degree of reflection performance does not matter as long as the support 9 can be supported.

[Effects of the Invention] As described above, according to the present invention, it is possible to support the glove with good cushioning properties and to shorten the protruding length of the support from the reflection plate, which allows the use of a thin glove and improves the design. And contribute to low cost.

In addition, since the main part of the support and the lid are provided with continuous guides respectively, the rotation stopper can move smoothly with the movement of the support rod with respect to the support, and the glove can be attached and detached. It can be done smoothly. Furthermore, in response to the request to use lighting components as high-frequency lighting circuit components,
Even though the main part of the support is made of metal, the cover fixed to the upper end of the main part is made of an insulating material, so that the high-frequency lighting circuit component and the metal main part can be easily insulated. Secure and improve safety.

[Brief description of drawings]

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

Claims (3)

[Claims] 1. A chassis having a lighting component on a lower surface thereof, a reflecting plate covering the lower surface of the lighting component and attached to the chassis, a support rod projecting from a lower face of the reflecting plate, and the support rod passing therethrough. It is provided with a glove having a hole and engaging a rim portion with the chassis, and a knob screwed to a lower end of the supporting rod, and the supporting rod is supported by the reflecting plate while penetrating the reflecting plate. A sprung housed inside the support and the bottom surface of the support are projected, and a rotation stopper fixed to the support so as not to be rotatable is fixed to the upper end of the support rod at the highest position of the support rod. The luminaire in which the support rod and the spring are located over the upper and lower surfaces of the reflector. 2. A supporter includes a main part having a guide part for accommodating a support rod and a spring, in which a rotation stopper can be non-rotatably fitted when the support rod descends, and an upper end of the main part. 2. The luminaire according to claim 1, further comprising: a lid having a guide portion that is fixed and that non-rotatably fits the rotation stopper at the highest position of the support rod, the both guide portions being continuously configured. 3. The lighting apparatus according to claim 2, wherein the lighting component is a high frequency lighting circuit component, the main part of the support is made of metal, and the lid is made of an insulating material.