JPH0317375Y2 - - Google Patents

Description

[Detailed Description of the Invention] <<Industrial Application Field>> The present invention relates to a lighting fixture that is particularly attached to a study desk, etc., in which an incandescent light fixture can be slid left and right in front of a fluorescent light fixture.

<Prior Art and Problems> Conventionally, in this type of lighting equipment, a fluorescent lamp body with a fluorescent lamp, a ballast, etc. on the bottom surface is screwed to the bottom surface of a shelf board, and furthermore, the fluorescent lamp body is screwed in the width direction inside the fluorescent lamp body. The structure consisted of an incandescent light fixture attached to a guide rail that could be slid left and right.

(For example, Japanese Patent Application Laid-Open No. 60-54103) In other words, the fluorescent lamp body has an open bottom, so that the long cord does not hang down as the incandescent lamp moves from side to side. It is necessary to provide a special cord sagging prevention means, which has the drawback of increasing the cost.

《Purpose and Structure of the Present Invention〉 The purpose of the present invention is to provide a lighting fixture that has a simple structure, does not require any special means for preventing cord sagging, can be produced at low cost, and has excellent aesthetics. The ballast is housed inside a fluorescent lamp holder that has an upwardly facing U-shaped cross section with an open top, and the fluorescent lamp is attached to the outside of the fluorescent lamp holder. The cord of the incandescent lamp, which is slidably supported in front of the fluorescent lamp holder, is inserted into the gap.

<<Example>> Hereinafter, an example will be described based on the drawings. 1st
The figure shows an exploded perspective view of the main parts of the present invention, in which reference numeral 1 indicates a fluorescent lamp holder, and reference numerals 2 and 2 indicate a fluorescent lamp holder 1.
The reference numeral 3 indicates a guide rail screwed to the inner surface between the holder attachment arms 2 and 2, and the reference numeral 4 indicates a guide rail. 3 shows a slider held slidably left and right, 5 shows a support arm attached to the slide 4, 6 shows an incandescent lamp attached to the support arm 5, 7 shows a guide rail 3, and a front cover that hides the front ends of the holding body mounting arms 2, 2, and numerals 8 and 9 indicate left and right end covers that are screwed to the left and right ends of the guide rail 3 and hold the front cover 7. .

The fluorescent lamp holder 1 has a generally upwardly U-shaped cross section with an open upper surface, and has mounting protrusions 1 on the upper surface of the left and right ends that are screwed to the holder mounting arms 2, 2.
0 and 10 protrude outward from the left and right, the ballast 11 is placed inside, the frequency changeover switch 12 and the glow bulb mounting part 13 are exposed to the front, and the fluorescent lamp mounting sockets 14 and 14 are placed at the front left and right ends. The fluorescent lamp 1 is protruded from the fluorescent lamp mounting socket 14, 14.
5 is installed.

The holder attachment arm 2 includes a holder connecting portion 21 to which the mounting protrusion 10 is connected, and a shelf connecting portion formed on the front and rear sides of the holder connecting portion 21 and connected to the lower surface of the shelf 20. 22, 22 and the shelf board connecting portion 2
The holder connecting portion 21 is formed to be recessed one step lower than the shelf connecting portion 22.
With the holder mounting arm 2 screwed to the lower surface of the shelf board 20, the upper surface of the fluorescent lamp holder 1 and the shelf board 2
A predetermined gap is created between the lower surfaces of the two.

Reference numerals 221, 221 refer to shelf connecting parts 22, 22
This is a mounting hole for connecting the holder mounting arm 2 formed in the shelf board 20 to the shelf board 20.

The guide rail 3 has a substantially C-shaped cross section with fitting protrusions 31, 31 formed on the upper and lower ends of the back side, and the rail mounting portion 2 of the holder mounting arms 2, 2
The left and right ends are screwed to the back surfaces of 3 and 23.

Reference numeral 32 denotes a slider mounting notch formed by cutting out the upper fitting protrusion 31.

The slide 4 is made of a synthetic resin material, and has fitting grooves 41, 41 formed in its upper and lower end surfaces into which the fitting protrusions 31, 31 of the guide rail 3 fit.

Then, the slide 4 to which the incandescent lamp 6 is attached via the support arm 5 has the fitting protrusion 31,
The fitting grooves 41, 41 are fitted into and attached to 31,
After being slid to the left, a stopper (not shown) is screwed from the back side to the end of the fitting protrusion 31 on the side of the slider mounting notch 32, and the slide 4 is attached to the slider mounting notch 32. It prevents it from moving inside.

The incandescent lamp 6 is held on the guide rail 3 via the slide 4 so as to be slidable left and right.

The support arm 5 includes a first support arm 51 screwed to the back surface of the slide 4 and a second support arm 52 rotatably attached to the first support arm 51 and connected to the incandescent lamp 6. ing.

The first support arm 51 includes a first connecting portion 5 screwed between the positioning protrusions 42 and 42 of the slide 4.
3, and a first rotational connection part 54 having a substantially U-shaped cross section formed in front of the lower end of the first connection part 53,
The first rotation connection portion 54 is formed with a first insertion hole 55 for the connection screw 50 and a rotation restriction hole (not shown) for temporarily holding the incandescent lamp 6 in a predetermined position.

The second support arm 52 includes the first support arm 5
A second rotational connection part 57 having a horizontally U-shaped cross section is fitted onto the first rotational connection part 54 of 1, and the second rotational connection part 57 is connected above the second rotational connection part 57 and connected to the back surface of the incandescent lamp 6. The second connecting portion 5
8 has a cord insertion hole 581, and the second rotation connecting portion 57 has a second cord insertion hole 581 corresponding to the first insertion hole 55.
The insertion hole 571 has a rotation restriction protrusion (not shown) that projects inwardly, corresponding to the rotation restriction hole.

Then, a second rotational connection part 57 of the second support arm 52 connected to the incandescent lamp 6 is connected to a first rotational connection part 54 of the first support arm 51 connected to the slide 4.
and connect screws 50 into each insertion hole 55, 571.
The incandescent lamp 6 can be slid left and right and rotated freely by inserting it through the nut, screwing it together with the nut, tightening it to a predetermined strength, and attaching the slide 4 to the guide rail 3 so as to be slidable as described above. It is held on the guide rail 3. Then, when the incandescent lamp 6 is located in front of the front cover 7 (maximum upward rotation), the rotation restriction protrusion engages with the rotation restriction hole, and the incandescent lamp 6 is unexpectedly rotated downward. Prevent rotation.

The incandescent lamp 6 has the second support arm 52 on the back side.
A cord lead-out hole 62 is formed in correspondence with the attachment recess 61 with which the second connecting portion 58 fits and the cord insertion hole 581, and the lower surface thereof is open and an incandescent lamp 63 is provided inside.

The front cover 7 is formed by extrusion molding of a synthetic resin material, and is longer than the guide rail 3 and has a substantially C-shaped cross section with locking protrusions 71, 71 on the top and bottom of the back surface, and has a C-shaped cross section at the center of the front surface at the right end. It has a right end surface fitting notch 72.

Then, a notch is formed in the upper locking protrusion 71 at a location where the front end of the holder attachment arm 2 is located, and this notch is fitted into the holder attachment arm 2, so that the front cover 7 This is used as a means to prevent movement during installation.

The left end cover 8 includes a fitting protrusion 81 that fits inside the left opening of the guide rail 3 and is screwed to the guide rail 3, and a front surface that is larger than the fitting protrusion 81 and protrudes outward from the guide rail 3. A fitting protrusion 82 that fits inside the left side opening of the cover 7 and the fitting protrusion 8
It is formed of an end face concealing part 83 larger than 2 and flush with the outer surface of the front cover 7.

The end surface of the fitting protrusion 81 serves as a stopper for the slider 4 in the leftward direction.

The right end cover 9 includes a fitting protrusion 91 that fits inside the right opening of the guide rail 3 and is screwed to the guide rail 3, and a front surface that is larger than the fitting protrusion 91 and protrudes outward from the guide rail 3. It fits into the right opening of the cover 7, and there is an outlet 9 on the front.
3, 93, a fitting part 92 having switches 94 and 95 for the incandescent lamp 63 and the fluorescent lamp 15, and forming a front fitting part 920 that fits into the right end fitting notch 72 of the front cover 7; An end face concealing part 96 is located on the right end face of the fitting part 92 and is substantially flush with the outer surface of the front cover 7; Fixed part 9
It is formed from 7.

Then, the left and right end covers 8 and 9 internally fit the fitting protrusions 82 and 92 into the left and right end openings of the front cover 7 that covers the guide rail 3, and at the same time fit the fitting protrusions 81 and 91 into the left and right end openings of the front cover 7 that covers the guide rail 3. After fitting to the end, it is screwed to the guide rail 3 and the front cover 7 is fixed.
hold.

Then, the holding body attachment arm 2 and the fixing portion 97 of the right end cover 9 are screwed to the lower surface of the shelf board 20.

In this state, the cord of the incandescent lamp 6 is inserted through the cord lead-out hole 62, the cord insertion hole 581, and the support arm 5.
The fluorescent lamp 15 is inserted through the gap between the fluorescent lamp holder 1 and the shelf board 20, and the fluorescent lamp is held with a clip on the back side of the slider 4. It is held with a clip on the back side of the holder 1, and is further attached to the switch 9 of the right end cover 9.
4 and is connected from the back side.

On the other hand, other cords are wired within the fluorescent lamp holder 1, connected to a ballast, etc., and then led to the outside.

<Effects> As described above, the present invention has a structure in which a predetermined gap is provided between the fluorescent lamp holder and the lower surface of the shelf.
A wide cord wiring space is formed in the depth direction between the bottom surface of the shelf board and the fluorescent lamp holder, and even if the cord is made longer and has enough room to accommodate the sliding of the incandescent lamp from side to side, it will not hold the fluorescent lamp. There is no fear that the cord will hang down due to the body, and there is no need to provide a means to prevent the cord from hanging down as in the past, so it can be manufactured at a low cost.

In addition, since the fluorescent lamp holder has an upwardly U-shaped cross section with an open top, it is possible to store a ballast, etc. inside;
Unnecessary items are not exposed and the aesthetic appearance is improved.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention; FIG. 1 is an exploded perspective view of the main parts of the invention, and FIG. 2 is a vertical sectional view of the main parts of the invention. 1...Fluorescent lamp holder, 2, 2...Arm for attaching the holder, 3...Guide rail, 4...Slider,
5...Support arm, 6...Incandescent lamp, 7...Front cover, 8, 9...Right and left end covers.

Claims (1)

[Scope of utility model registration request] A ballast, etc. is housed inside a fluorescent lamp holder that has an upwardly facing U-shaped cross section with an open top, and a fluorescent lamp is attached to the outer surface of this fluorescent lamp holder, and this fluorescent lamp holder is fixed to the bottom surface of a shelf board. 1. A lighting fixture characterized in that the cord of an incandescent lamp, which is slidably supported in front of a fluorescent lamp holder, is inserted into the gap.