JPS5813540Y2 - lighting equipment - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a lighting device whose purpose is to prevent damage to the nails when the main body and the shade are assembled by engaging with the nails.

Conventionally, lighting fixtures assembled by engaging the main body and the shade with claws are disclosed in Japanese Utility Model Application No. 50-60873, Utility Model Application No. 50-60874,
Or the same as the present application - Jitsubishi 46-5259 by a senior person
0 (Utility Model Publication No. 4 O-10285).

In each of these lighting fixtures, the inner edge of a circular window hole provided in the center of the shade is placed on the flange of the side periphery of a cylindrical main body. The engaging claw portion provided at the window hole is engaged with the upper surface of the inner edge of the window hole, and the shade is clamped between the flange portion and the shade, thereby preventing the shade from being pulled out.

With such a structure, the engaging claws simply press down on the top surface of the shade, so the shade can rotate relative to the main body, and when the shade is attached to the main body, there is no need for any relative movement. Even at the rotation angle position, the shade climbs over the retaining claw portion, enters the lower surface thereof, and is engaged.

Therefore, the application of this configuration is limited to lighting fixtures in which the shade may be mounted at any relative rotational angle with respect to the main body.

In the present invention, for example, a lamp is supported on the shade side,
This lamp can be applied when it is desired to determine the relative position of the main body and the shade, such as when it is desired to connect a lamp socket led out from the main body to the lamp.

For this purpose, it is appropriate to provide a notch in the inner edge of the window hole provided in the shade, and to allow the engaging claw to engage with the top surface of the shade through this notch. However, when assembling the main body and shade, it is difficult to properly align the engaging claws and notches, and if you try to forcefully assemble the engaging claws and the notches even slightly, the engagement may fail. The claw may collide with the side of the cutout, causing damage to the engaging claw or the side of the cutout.

The present invention avoids these drawbacks by making it easy to position the engaging claw and the notch, and allowing the engaging claw to engage with the notch only after the positioning has been completed. .

Examples of the present invention will be described below.

Figure 1 shows the lighting equipment of this invention viewed diagonally from above.
In the figure, 1 is the cylindrical main body, 2.2', and 1 is the connecting part 3, 3'.
The shed is made of synthetic resin and is integrally molded by connecting parts such as the above, and is attached to the side circumference of the main body 1.

4, 4'. 1 is a translucent glove attached to the bottom surface of each shade.

5 is a hanging cord for hanging the main body 1.

Next, FIG. 2 shows an exploded view of the portion surrounded by dotted lines in FIG. 1.

The main body 1 consists of a metal base 6 in which lighting parts such as a ballast and a glow socket are attached, and a lower cover 8 made of synthetic resin that covers the lower surface of the metal base 60 and is fixed with screws 7.

Numerals 9 and 10 are flanges provided on the side peripheries of the metal base 6 and the one-sided cover 8, and the screw 7 is screwed through these flanges 9 and 10.

The flange portion 1o includes a rising wall 11 on its side circumferential portion,
A part thereof has an engaging claw portion 12.

Further, a concave groove 13 is formed in a portion including the flange 1o and the rising wall 11, through which a lead wire 15 of a lamp socket 14, which is also led out from the main body 1, is inserted.

16 is shade 2.2'. This is a circular window hole provided in the center of 2, and its inner edge 17 abuts against the rising wall 11 and is placed on the flange 9 and 10.

In the vicinity of the inner edge 17 of the shade 2, a notch 18, an arcuate rib 19, and a convex portion 20 connected to the rib are provided.

Note that the rib 19 and the convex portion 20 are provided on the lower surface of the shade.

The engagement claw portion 12 is inserted into the notch portion 18, and the inner peripheral surface of the rib 19 is aligned with the outer peripheral surface of the collar portion 10.
Further, the convex portion 20 is inserted into the concave groove portion 13.

Based on the above configuration, the Kuminakoro sequence will be explained.

First, the lead wire 15 of the lamp socket 14 is housed in the groove 13 of the bottom cover 8, and then the metal base 6 and the bottom cover 8 are fixed with screws 7.

It should be noted that there are two more screwed locations (not shown).

Next, the inner edge 17 of the shade 2 is aligned with the side circumference of the main body 1, the rib 19 is aligned with the outer circumference of the flange 10, and the convex portion 20 is positioned with the groove 13. do.

By positioning in this way, the engaging claw portion 12 is positioned directly below the notch portion 18, and when the shade 2 is pushed downward,
When the engaging claw portion 12 is smoothly inserted into the notch 18 while being elastically deformed slightly toward the center, and the lower surface of the claw appears on the upper surface of the shade 2, the engaging claw portion 12 returns to its original state and engages with the upper surface. Then, the assembly of the shade 2 and the main body 1 is completed.

The cross sections of the assembly assembled in this manner are shown in FIGS. 3 to 5.

Figure 3 is a section taken along the dotted line A in Figure 2.
The engaging claw portion 12 protrudes above the cutout portion 18 and the shade 2
It is engaged with the upper surface to prevent the shade 2 from slipping out upwards and rotating.

Further, 21 is a fluorescent lamp attached to the shade 2.

Next, FIG. 4 shows a cut plane taken along the dotted line B in FIG. 2, and shows that the convex portion 20 is inserted into the concave groove portion 13 and positioned.

Next, FIG. 5 shows a cut plane taken along the dotted line C in FIG. 2, and the ribs 19 are aligned with the outer circumferential surface of the flange 10.

In addition, due to the rising wall 11, the inner edge 1 of the shade 2
7 and the tip of screw 7 do not touch.

As described above, since the engaging claw portion 12 can be guided to the notch portion 18 by the positioning means using the convex portion 20 and the groove portion 13, positioning before engaging the engaging claw portion 12 with the notch portion 18 is easy. This makes it easier to engage the engaging claw portion 12 with the cutout portion 18 only after the positioning is completed.
It becomes possible to completely eliminate damage to the periphery of the engaging claw portion 12 and the notch portion 18.

In addition, when the retaining claw part 12 is formed toward the row direction of the instruments as in the embodiment, the cut arrow part 18 may of course have a shape that opens toward the window hole part 16.

Further, in the embodiment, the engaging claw portion 12 is provided on the side circumferential portion of the main body 1 and the notch portion 18 is provided near the inner edge portion 17 of the shade 2; Of course, the notch 18 may be provided downward near the inner edge 17 and the notch 18 may be provided on the side circumference of the main body 1.
Of course, the recessed groove portion 13 may be provided near the inner edge portion 17 of the shade 2 in addition to being provided on the side circumferential portion of the shade 2 .

As is clear from the above, the lighting device of the present invention can reliably prevent damage to the claws when attempting to assemble the main body and the shade by engaging them with the claws in a fixed positional relationship, thereby making it easier to assemble. We can provide easy lighting equipment.

[Brief explanation of the drawing]

Fig. 1 is an upper perspective view of a lighting fixture according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of the dotted line part in Fig. 1, and Fig. 3 is a cross section taken along the dotted line A in Fig. 2. 4 is a sectional view taken along the dotted line B in FIG. 2, and FIG. 5 is a sectional view taken along the dotted line C in FIG. 2. 1...Body, 2.2', 2'...Shade, 9,1
0... Flange portion, 12... Engaging claw portion, 13... Concave groove portion, 14... Lamp socket, 15... Lead wire, 1
6... Window hole portion, 17... Inner edge portion, 18... Notch portion, 19... Rib, 20... Convex portion.

Claims (4)

[Scope of utility model registration request] (1) A lighting fixture comprising a cylindrical main body having a flange on the side circumference, a circular window hole in the center, and a shade whose inner edge is placed on the flange, An engaging claw portion is provided at the side circumference of the main body (or near the inner edge of the shade), and a notch to be engaged with the engagement claw is provided near the inner edge of the shade (or near the side circumference of the main body). At the same time, a convex portion is provided near the inner edge of the shade (or the side circumference of the main body), and a concave groove portion in which the convex portion is positioned is provided on the side circumference of the main body (or the inner edge of the shade). 2. A lighting fixture, characterized in that the engagement claw is provided in the vicinity of the notch and is guided into the notch after positioning by the protrusion and the groove. (2) The lighting device according to claim (1) of the utility model registration, characterized in that an arc-shaped rib aligned with the outer peripheral surface of the flange of the main body is provided near the inner edge of the shade. . (3) The lighting device according to claim (2), wherein the convex portion is connected to an arcuate rib. (4) The lighting device according to any one of claims (1) to (3) of the utility model registration claim, characterized in that the lead wire of the lamp socket led out from the main body is inserted into the recessed groove. .