JPH0449780Y2 - - Google Patents

Description

[Detailed explanation of the invention] <<Industrial application field>> This invention relates to a lighting device installed on a study desk, etc. Specifically, a straight tube fluorescent lamp is installed under a support plate for mounting lighting equipment such as a shelf board. The present invention relates to a lighting fixture and a mounting structure for a sliding lighting fixture in a lighting device to which a sliding lighting fixture for the purpose of auxiliary lighting is attached.

<<Prior Art and Problems>> The above-mentioned conventional device includes a first lighting fixture for a straight tube fluorescent lamp having a fixture body attached to the lower surface of a top plate for mounting the lighting fixture, and a first lighting fixture for a straight tube fluorescent lamp having a fixture body attached to the lower surface of the top plate for mounting the fixture, and a fixed downward rail, a cover that is attached to the front surface of the first lighting fixture and integrally has an upward rail section at a lower end that faces parallel to the rail below the rail; and a rail section of the rail and the cover. A slider was slidably supported between the lighting fixtures at one end thereof, and a second lighting fixture was supported so as to be movable in the longitudinal direction of the fixture body via the slider. (For example, Utility Model Application Publication No. 63-39819) Generally, the above-mentioned cover is required to have an excellent design that harmonizes with the appearance of the shelf board, so it is necessary to use a colored cover that is easy to mold. It consists of a decorative sheet with a woodgrain pattern printed on it attached to the front of a single-color cover made of extruded resin.

In other words, it is difficult to support the second lighting fixture with a cover made of synthetic resin material, so it is necessary to attach multiple reinforcing metal fittings located at several places on the back of the cover to reinforce and support the cover. can be,
The drawback is that it becomes expensive due to the increased number of parts and the increased number of assembly steps.

In addition, from a design standpoint, the above-mentioned cover generally exposes the background of the cover in a striped manner from the top and bottom of the decorative sheet, so that this background is in harmony with the surrounding atmosphere of the shelf board, etc., and is suitable for general users. They were molded and colored in bright red or blue colors that children like.

By the way, the color of resin molded products is determined by the type of pigment mixed into the resin, but white-colored or black-colored resin molded products have poor light transmittance, and reddish-colored resin molded products have poor light transmission. Bright resin molded products with a bluish tint have physical properties such as good light transmission.

Therefore, if you use a reddish or bluish color for the above cover, when the fluorescent lamp is turned on, some of the light will pass through the cover, and the makeup affixed to the front of the cover may There was a drawback that light leaked through the sheet and deteriorated the overall appearance of the cover.

[Purpose and structure of the present invention] The present invention provides a lighting device that has a simple structure, can be manufactured at low cost by reducing the number of parts and assembly man-hours, further improves lighting efficiency, and has an excellent design. The main part of the structure is to form a slider support part with a substantially U-shaped cross section integrally on the front side of the lighting fixture body, and to form an upward supporting protrusion at the lower rear end of the slider support part. An upper rail material having a downward supporting protrusion is attached to the upper surface part, and the slider is slidably supported by the slider support part and the downward supporting protruding piece, and the downward step part of the lighting equipment body and the upward supporting protruding piece of the upper rail material are attached. , and the front cover is supported by the upward supporting protrusion of the rail support section.

"Example" Examples will be described below based on the drawings.

In FIG. 2, 1 is a desk, 2 is a bookshelf erected behind the top plate 10 of the desk 1, and 3 is a lighting device provided on the underside of the shelf board 20 of the bookshelf 2.

As shown in FIG. 3, the lighting device 3 includes a lighting device main body 5, an upper rail material 6, a front cover 7, left and right side covers 8, 8, a slider 9, and a second lighting device including an incandescent lamp or the like. It is composed of 90 pieces.

The lighting fixture main body 5 has a first lighting fixture 51 including a fluorescent lamp 50, a ballast (not shown), etc. attached to the bottom surface thereof, and a lighting fixture mounting part 52 whose front end is screwed to the bottom surface of the shelf board 20. , a downward step portion 53 formed at the front end of the lamp mounting portion 52 and protruding downward; and a cross section approximately C connected to the downward step portion 53.
It has a letter-shaped slider support portion 54 on the front side.

The slider support portion 54 is formed of an upper surface portion 541, a front surface portion 542, and a lower surface portion 543, which are connected to the downward step portion 53, and an upward support protrusion 544 is formed at the rear end of the lower surface portion 543.

Further, on the rear side of the lamp mounting portion 52, an arcuate reflecting plate portion 55 that projects downward is integrally formed.

The upper rail member 6 has a downward support protrusion 61 that protrudes below the rear end of the upper surface portion 541 of the slider support portion 54 over the entire left and right width, and has a predetermined interval in the left and right direction. A downward step portion 53 of the lighting fixture body 5 protrudes upward.
It is comprised of upward projecting pieces 62, 62 forming a cover fitting gap 530 therebetween, and a connecting part 63 screwed to the upper surface part 541.

The slider 9 is made of a synthetic resin material or the like, and includes a slider support portion 54, a slider leg portion 91 located within the downward supporting protrusion 61 of the upper rail material 6 and having an end contacting the inner surface of each slider leg portion, and a rear end surface of the slider leg portion 91. It is comprised of a downward supporting protrusion 61 and a connecting fitting attachment part 93 that protrudes behind the upward supporting protruding piece 544 and to which a connecting fitting 92 of the second lighting fixture 90 is connected.

The front cover 7 is formed by extrusion molding of a synthetic resin material, has a substantially C-shaped cross section with a decorative sheet affixed to the front surface, and has an inward L-shape at the upper rear end that fits into the cover fitting gap 530. The fitting downward protruding piece 71 and the upward supporting protruding piece 544 at the rear end of the lower part.
It has an upward locking protrusion 72 that locks on.

It is attached to the front surface of the slider support section 54 to hide the front surface of the lighting fixture body 5.

The left and right side covers 8, 8 face each other and have the same shape, and have a fitting protrusion 8 that fits into the inner surface of the front cover 7 from the side.
1, and a side decorative edge 82 that closes the side end surface of the front cover 7; and an end surface that fits onto the side end of the lighting fixture body 5 and is connected with screws to close the side end face of the lighting fixture body 5. It is composed of a concealing portion 83, a mounting protrusion 84 screwed to the lower surface of the shelf board 22, and the like.

The present invention is constructed as described above, and the upper rail member 6 is screwed to the upper surface portion 541 of the slider support portion 54 with various devices such as a ballast except for the fluorescent lamp 50 installed in the lighting device main body 5. Then, the front cover 7 is fitted with the downward fitting protrusion 71 into the cover fitting gap 530 and the upward supporting protrusion 54.
4 with the upward locking protrusion 72 locked, the slider 9 with the second lighting fixture 90 attached thereto is inserted from the side end surface of the slider support 54, and then the left and right side covers 8 are inserted. , 8 of the side decorative edges 82, 82 are fitted into the side end faces of the front cover 7, and the end face concealing parts 82, 82 are screwed to the lighting fixture main body 5 to be assembled.

In the embodiment, a lighting device is described that is fixedly attached by screwing to the bottom surface of the shelf board 22, but for example, in the case of a lighting device that can be moved in and out from the front and back on the bottom surface of the shelf board, Considering the case where the plate 22 protrudes forward, it is necessary to configure the depth dimension to be large, and for this purpose, an auxiliary panel 59 that protrudes backward is screwed onto the top surface of the lighting fixture main body 5, and the left and right side covers 8, 8 Instead, if guide side covers 89, 89 equipped with guide rails for entry and exit at the front and rear are attached, the main body of the lighting fixture can be used for both purposes.

Further, in this case, the reflector portion 55 is connected to the fluorescent lamp 50.
Since it is located close to , the reflection efficiency towards the front is also good.

[Effects] As described above, the present invention has a slider support part integrated into the lighting fixture body, so it has excellent strength and can support the slider stably and firmly, eliminating any hindrance to the sliding movement of the slider. There is no problem.

A downward supporting protrusion and an upward protruding piece are formed on the upper rail material, and a downward step is formed integrally on the lighting fixture body, so just by attaching the upper rail material to the slider supporting part, the supporting part of the slider and Since a cover fitting gap for attaching the front cover is formed, assembly work is easy and the number of parts is small, making it possible to manufacture at low cost.

Furthermore, since the front cover is located in front of the slider support part, which has a substantially U-shaped cross section, there is no risk of light passing through the front cover, and the overall appearance of the front cover is not spoiled. The thickness can also be reduced, leading to cost reductions.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention; Fig. 1 is a vertical sectional view of the main part of the invention, Fig. 2 is a perspective view of a desk equipped with the invention, and Fig. 3 is an exploded view of the main part of the invention. FIG. 5...Lighting fixture main body, 51...First lighting fixture,
52...Light fitting mounting part, 53...Downward step part, 54
...Slider support part, 541...Top surface part, 54
4...Upward supporting protrusion piece, 55...Reflector plate part, 6...
...Upper rail material, 61...Downward support protrusion, 62...
...Upward protruding piece, 7... Front cover, 71... Fitting downward protruding piece, 72... Upward locking protruding piece, 9... Slider, 90... Second lighting fixture.

Claims (1)

[Scope of utility model registration request] A lighting fixture body into which a first lighting fixture is attached; an upper rail member attached to the upper surface of a slider support part integrally formed on the front side of the lighting fixture body; and a top rail member that is slidably supported by the slider support part. It consists of a slider, a front cover that is attached to the front of the lighting fixture body, and a second lighting fixture that is attached to the slider and located in front of the front cover. a downward step formed at the front end of the lamp mounting section and protruding downward; and a slider support section having a substantially C-shaped cross section, which is connected to the downward step and has an upward supporting protrusion formed at the rear end of the lower surface. The upper rail material has a downward support protrusion that protrudes from the rear end of the upper surface of the slider support part over the entire left and right width. and an upward protruding piece having a predetermined interval in the left-right direction and protruding above the upper surface of the slider support part to form a cover fitting gap between the downward step of the lighting equipment main body, the slider has: The front cover is slidably supported by a slider support portion and a downward supporting protrusion, and the front cover has a downward fitting protrusion that fits into the cover fitting gap and an upward locking protrusion that is locked to the upward supporting protrusion. A lighting fixture characterized by having.