JPS6039929Y2 - Lighting device at study desk - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a lighting device for a study desk, and more specifically to a lighting device in which two lamps attached to the lower surface of a shelf of a desk can be pulled out or pushed in at the same time.

Most of the conventional lighting devices of this type have a configuration in which the two light fixtures installed side by side on the underside of the shelf are operated separately by pulling out or pushing them in, which has the drawback of making the operation troublesome, and also having to operate both light fixtures separately. A structure has also been developed in which the lamps are linked together using a link mechanism, etc., but this makes it difficult to pull out and push in both lamps at the same time, and the structure is extremely complicated, resulting in high costs. In addition, when the drawers of both lamps are used, both lamps are separated from each other to illuminate the desk, so even though it is possible to increase the illuminance of the entire surface of the desk, it is difficult to concentrate the illumination on a specific area such as the center of the desk. It left a drawback that it could not be done.

Also, it has recently become popular to attach incandescent lamps to study desks, and a structure in which incandescent lamps are used in conjunction with ordinary fluorescent lamps so that they can be pulled out and pushed into each other was developed in U.S. Patent Publication No. 52-1.
As shown in No. 28388, there is a structure in which an incandescent lamp is integrated into a fluorescent lamp frame that can be pulled out and pushed in, and in this case, it is possible to operate the fluorescent lamp and incandescent lamp at the same time. However, the fluorescent lamp frame simply has one end rotatably pivoted to a predetermined position such as the underside of a shelf, and an incandescent lamp, which is another component, is attached to the tip of the lid frame. Therefore, when the lid frame is pulled out from the lower surface of the shelf board to illuminate the desk top, it is extremely unstable, and there is a drawback that the pivot mounting part may wobble and the installation may be defective.

This project was devised in order to eliminate the above-mentioned drawbacks of the conventional technology, and its main point is to interlock the separate fluorescent and incandescent lamps installed side by side under the shelf so that the drawers can be pushed in at the same time, and also to allow them to be pushed in and out. The point is that they are joined together to reinforce the installation condition.

To explain the main idea in detail in the attached drawings below, 1 is the lid frame of the fluorescent lamp;
Reference numeral 2 indicates an incandescent lamp, both of which are attached to the lower surface of a shelf board 3 via a mounting plate 4, and the lid frame 1 has a shaft 5 protrudingly fixed on the top surface of one end as shown in FIG. 3, and is attached to the shaft 5. The slider 6 is attached by slidably fitting its outer circumferential groove 6' into the guide groove 7 of the mounting plate 4, and the formwork 1 itself can be rotated and slid by the rotation and sliding of the slider 6 within the guide groove 7. It is possible.

The incandescent lamp 2 is rotatably mounted on the lower surface of the mounting plate 4 at the end opposite to the guide groove side.

The opposite edges 9, 10 of the incandescent lamp 2 of the lid frame 1 are at a predetermined angle with respect to each other in the stored state, as are the proximal edges 9', 10' that contact each other in the pushed-in storage state shown by solid lines in FIG. Consisting of spaced apart inclined edges 9'' and 10'', the inclined edge 10'' of the incandescent lamp has a protrusion 11, and the inclined edge 9'' of the lid frame 1 has a groove into which the protrusion 11 can be fitted. 12, the base of the protrusion 11 and the groove 12, that is, the corner portions of both inclined edges 9'' and 10'' are always in a base state, and the fitting portion is rotatably pivoted with a pivot 13. It is connected.

Therefore, in the lighting device of the present invention, when the lid frame 1 or the incandescent lamp 2 in the stored state shown by the solid line in FIG. At this time, the incandescent lamp 2 rotates around the shaft 8, and the lid frame 1 rotates and slides in the direction of arrow Q due to the rotation and sliding of the slider 6 in the guide groove 7, and the lid frame 1 slides in the direction of the arrow Q. At this time, the protrusion 11 of the inclined edge 10'' and the groove 12 of the inclined edge 9'' are securely fitted, reinforcing the drawn-out state of the two incandescent lamp frames 1. .

Conversely, when storing the drawn-out lighting device on the bottom surface of the shelf, push in either the drawn-out lid frame 1 or the incandescent lamp 2 shown by the dashed line in Fig. 2, and each operating part will be moved in the opposite direction to the above. The protrusion 11 and the groove 12 are automatically released from each other to reach the storage state shown by the solid line, and the proximal edges 9',
10' are in contact with each other, and the slider 6 of the lid frame 1 reaches the end of the guide groove 7 to prevent excessive pushing.

The lighting device of this invention is not limited to the above configuration, but may have a structure in which two lamps installed in parallel can be linked and pulled out and pushed in at the same time, and in the pulled out state, they fit together to reinforce each other's strength when attached. It is possible to change the design, replace parts, etc., for example, change the shape of the lid frame 1, incandescent lamp 2, the shape and formation direction of the guide groove 7, or the linkage structure between the guide groove 7 and the slider 6, etc. In addition, a configuration in which the guide groove 7 and the slider 6 can be rotated and slid may be applied to the connecting portion between the incandescent lamp 2 and the mounting plate 4.

In the lighting device of the present invention, the fluorescent lamp frame 1 and the incandescent lamp 2, which are separate bodies, are pivotally connected at their opposing edges, and at least one of them is rotatably and slidably attached to the other. By attaching one side rotatably, the lid frame 1 and the incandescent light fixture 2 can be pulled out or pushed in from the bottom of the shelf at the same time, and can be pulled out onto the desk with the pivot joint bent. Therefore, not only is it possible to intensively illuminate the desk with fluorescent lamps and incandescent lamps, but also it is extremely easy to attach and detach the lid frame 1 and the incandescent lamp 2.

Also, compared to the configuration in which an incandescent lamp is attached to the tip of the fluorescent lamp frame as in the above-mentioned Utility Model Application Publication No. 52-128388, the incandescent lamp 2 is
Since the drawer distance is shortened, there is an advantage that students can study on their desks without feeling the glare or heat caused by the incandescent lights.

In addition to the above-mentioned effects, the present invention features an inclined edge 10'' having a protrusion 11 and an inclined edge 9'' having a concave groove 12 on the opposing side edge of the incandescent lamp 2 of the cover frame 1. When the lamp 2 is pulled out from the lower surface of the shelf, the protrusion 11 and the groove 12 are fitted together, and the protrusion 1 is not simply fitted.
1. The groove 12 is formed over the entire length of the inclined edge 10'' or 9'', and they are made long so that they can be completely fitted to each other, and are connected by the pivot 13, so that the lid frame 1 and the incandescent lamp 2 can be connected to each other. In addition to reliably engaging each other as if they were one piece and reinforcing each other's installation, the tip of the formwork in the drawn-out state is supported by the tip of the incandescent lamp to stabilize the installation state of the long lid frame 1. Even if a load is applied to the top of the drawer, a reliable drawn-out state can be obtained without swinging up and down.

[Brief explanation of the drawing]

Figure 1 shows an example of the present invention; the installation is a front view;
The figure is also a bottom view, Figure 3 is a sectional view taken along line XX in Figure 2,
Figure 4 is the Y-Y cross section in Figure 2. Figure 5 is the Z-Z cross section in Figure 2.
-2 arrow view. 1... Fluorescent lamp frame, 2... Incandescent lamp,
3...Shelf board, 4...Mounting plate, 5...
...Shaft, 6...Slider 7...Guide groove, butt...Shaft, 9, 10...Opposite side edge, 9". 10" ... Slanted edge, 1 ... Protrusion, 12 ... Concave groove, 13 ... Pivot.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A fluorescent lamp frame 1 and an incandescent lamp 2 are arranged in parallel on the lower surface of a shelf 3, and one end of the fluorescent lamp frame 1 is rotatable in the longitudinal direction of the shelf 3. Shaft 5 Slider 6 Guide groove 7
The incandescent lamp 2 is rotatably supported by a shaft 8, and the lid frame 1 incandescent lamp 2 can be pulled out or pushed in from the underside of the shelf at the same time by interlocking the lid frame 1 and the incandescent lamp 2. A lighting device for a study desk, characterized in that two opposing side edges are pivotally connected by a pivot 13. 2. An inclined edge 9'' or 10'' having a protrusion 11 or groove 12 that fits into each other when the lid frame 1 and the incandescent lamp 2 are pulled out is formed on the opposing side edges of the lid frame 1 and the incandescent lamp 2. A lighting device for a study desk according to claim 1 of the utility model registration claim, characterized in that: 3. The illumination device for a study desk according to claim 2, in which the protrusion 11 and groove 12 are formed over the entire length of the inclined edge 9'' or 10''.