JPH0443503A - Reflector for lighting fixture - Google Patents

Abstract

PURPOSE:To shorten a manufacture process for a reflector and improve the appearance thereof by positioning the bent edges of a side plate at both ends of a chute-like reflector body in such a manner as to be in contact with the inside of reflection surface, bending a cutout engagement piece at the end of the rising piece of the reflector body for jointing to a bent engagement portion formed at the end of the side plate. CONSTITUTION:The aforesaid side plate 2 is positioned at both ends of a reflector body 1. In this case, a projection 12 formed at the cutout portion 10 of the side plate 2 is so positioned as to correspond to an engagement hole 7 at a cutout portion 5 for inserting the reflector body 1. By raising a bent piece 6 at the aforesaid cutout portion 5, therefore, the projection 12 is inserted in the engagement hole 7. Furthermore, the side plate 2 is fitted to the reflector body 1 by bending the bent piece 6 approximately 180 degrees. Thereafter, the side plate 2 is firmly fixed to both ends of the reflector body l by bending a cutout engagement piece 8 at the end of the rising piece of the reflector body 1 for engagement with a bent engagement piece 13 at both ends of the side plate 2. According to the aforesaid construction, the reflector of a lighting fixture can be formed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a box-shaped lighting equipment reflector having side plates at both ends of a reflector main body.

[Prior Art] Conventionally, a reflector body is formed into a box shape with side plates provided at both ends of the reflector body. Conventionally, the side plates are formed of a thin steel plate, and the side plates are fixed to both ends of the reflector body by spot welding or the like. and was painted. In other words, thin steel plates are press-formed, then spot-welded, and then formed into a box shape and then painted, which takes a long time to complete the product, and electrode marks from spot welding remain on the product surface, impairing its aesthetic appearance. Since it is formed into a box shape as described above, there is a problem in that the work-in-process space between processes becomes large. Further, as a conventional example different from the above-mentioned manufacturing method, a reflector plate disclosed in Japanese Utility Model Application Publication No. 58110902, as shown in FIGS. 6 and 7,
The locking pieces 15 of the side plate 2 are engaged with the extruded retaining holes 14 formed at both ends of the reflector body 1, and the locking claws provided on the side plate are attached to the edges of the reflector body. They are fixed and fixed in locking holes provided, but in both cases, the locking holes and locking pieces are processed so that they are exposed on the surface of the reflector body, which detracts from the aesthetic appearance of the product. There was a problem.

[Problem to be solved by the invention] In the above conventional technology, the former requires spot welding to form a box shape and then painting, which takes time and is inefficient, and takes a long time to complete the product. Become. In addition, it requires a large amount of space for work-in-progress, and marks from spot welding remain on the painted reflective surface, impairing its aesthetic appearance. Moreover, in the latter conventional example, since the engaging hole and the retaining piece are provided on the end surface of the reflector main body, it is clear that the aesthetic appearance is impaired.

The present invention is a lighting equipment reflector that shortens the process of manufacturing the reflector, does not impair the aesthetic appearance, allows the reflector main body and side plate to be easily and reliably engaged, and also reduces the space for work-in-progress. The purpose is to obtain.

[Means for Solving the Problem] The above object is to provide a lighting equipment reflector which is formed into a box shape by attaching side plates to both ends of a gutter-like reflector main body having rising pieces along the elongated direction. A notch for inserting a socket is provided at both ends of the plate body, each having two bent pieces on both sides with a locking hole located on the bending line.
In addition, a notch locking piece is provided at the end of the rising piece of the reflector body, and a notch for inserting the socket is provided at the edge of both side plates having bent edges that contact the reflective surface of the reflector body. This can be achieved by providing a cutout portion having protrusions on both sides that engage with the locking hole, and providing a bent locking portion that locks the notch locking piece provided on the rising piece.

[Function] With the above configuration, when the bent edges provided on the side plates are placed at both ends of the gutter-shaped reflector main body so as to abut the inside of the reflective surface of the reflector main body, the cut of the side plate The protrusion provided in the notch is located at the locking hole of the socket insertion notch in the reflector main body. Therefore, when the two bent pieces provided on the reflector main body are raised and bent approximately 180 degrees, the locking holes provided in the bent pieces respectively embrace and lock the protruding portions of the side plates. . Next, the side plates are fixed to both ends of the reflector body by bending the notch locking pieces provided at the ends of the rising pieces of the reflector body into the bent locking parts provided at the edges of the side plates. can do. In addition,
The protruding part used for the fixing need only protrude by a slight thickness, and the bent piece is folded back on the back side of the reflector body, and the locking hole of the protruding part is on the surface facing the socket. Moreover, since the notched locking piece that engages the rising piece of the reflector body is bent and locked inside the rising piece, the appearance will not be spoiled.

In addition, unlike the normal manufacturing method in which thin steel plates are press-formed and then painted, the side plates mentioned above do not have their cut surfaces exposed on the surface even if painted steel plates or printed steel plates are press-formed and assembled as described above. As a result, the product can be completed in the final stage of assembly without compromising quality, reducing the space occupied by work-in-progress.

[Example] Next, embodiments of the present invention will be described with reference to the drawings.

Fig. 1 shows an embodiment of the lighting equipment reflector according to the present invention, (a) is an exploded perspective view, (b) is a view showing a notch on the edge of the side plate, and Fig. 2 is a top view of the light fixture with the side plate fixed. Figures illustrating the embodiment, (a) is a perspective view showing the back side of the reflector, (b)
) is a diagram showing the state in which the bent piece of the socket insertion notch is raised, (C) is a diagram showing the state in which the bent piece is fixed, and Figure 3 is a lighting device equipped with a reflector of the two-legged embodiment. FIG. 4 is a perspective view showing an example of the device, FIG. 4 is a diagram showing the state of work-in-progress stock of the reflector, and FIG. 5 is a diagram showing the work-in-progress stock with the side plates of the reflector removed. In FIG. 1, socket insertion notches 5 are provided at both ends of a reflector body 1 formed in the shape of a gutter with a bend along the longitudinal direction, and a side plate 2 is attached so as to cover the opening of the notch 5. . The socket insertion notch 5 is provided with a pair of elongated locking holes 7 at intervals corresponding to the width of the socket, and bent pieces 6 are provided facing each other so that the locking holes 7 are on the bending line. At the ends of the rising pieces provided on both sides of the reflector main body 1, there are provided notch locking pieces that are bent and locked to the side plates 2, respectively. Reflector body 1 formed in the shape of a gutter
The side plate 2 for forming a box shape with both ends closed is provided with a bent edge 9 that comes into contact with the back side of the reflective surface of the reflector main body 1,
The end edge 9 is provided with a notch 10 corresponding to the socket insertion notch 5, and on both sides of the notch 10 are provided protrusions 12 approximately equivalent to the thickness of the plate. The distance between the depth of the notch 10 and the protrusion 12 is the first
A shown in FIG.
This corresponds to the distance A from the end of the hole to the locking hole 7. Also,
On both sides of the side plate 2, bent locking portions 1 can be engaged with notched locking pieces 8 provided at the ends of the rising pieces of the reflector main body 1.
There are 3.

The side plates 2 are attached to both ends of the reflector main body 1 formed as described above.
, the protrusions 12 provided in the notch 10 of the side plate 2 are located at positions corresponding to the locking holes 7 provided in the socket insertion notch 5 of the reflector body 1, so that the socket When the bent piece 6 of the insertion notch 5 is raised as shown in FIG. 2(b), the protrusion 12 is inserted into the locking hole 7, and the bent piece 6 is bent as shown in FIG. 2(c). By bending the piece 6 approximately 180 degrees, the shape shown in Fig. 2(a) is obtained.
The side plate 2 is attached to the reflector main body 1 as shown in FIG. In addition, the notched locking pieces 8 provided at the ends of the rising pieces of the reflector body 1 are bent onto the bent locking portions 13 provided at both ends of the side plate 2, as shown in FIG. 2(a). By locking, the side plates 2 are securely fixed to both ends of the reflector main body 1, and can form, for example, a reflector of a lighting fixture as shown in FIG. The locking hole 7 and the protrusion 12 used to fix the side plate 2 to the reflector body 1 are connected to the socket 3.
The bent piece 6 and the notched locking piece 8 are also not recognized in terms of appearance because they are located opposite the reflector body 1.
Since it can be bent to the back side of the product and no spot welding is required, the appearance of the product will not be affected. Further, in the present invention, since the side plates 2 are fixed to the reflector body 1 by bending and locking the locking pieces as described above, the side plates 2 are formed of a painted steel plate or a printed steel plate, and the lighting equipment It is sometimes possible to attach the reflector to the reflector body.

Figure 4 shows the state of the reflector work in progress stock with the side plate 2 attached to the reflector main body 1, but when the side plate 2 is not attached as described above, the work in progress stock is shown in Figure 5. Product stock and condition can be greatly improved.

[Effects of the Invention] As described above, the lighting equipment reflector according to the present invention has a gutter-like reflector main body having rising pieces along the elongated direction, at both ends thereof,
In a lighting equipment reflector formed into a box shape by attaching side plates to each side, a notch for socket insertion is provided at both ends of the reflector main body, and the two bent pieces have locking holes located on the bending line on both sides. are respectively provided, and notched locking pieces are provided at the ends of the rising pieces of the reflector body, and the sockets are provided at the edges of both side plates having bent edges that contact the reflective surface of the reflector body. By providing a cutout portion with protrusions on both sides that engage with the locking hole of the insertion notch, and by providing a bent locking portion that locks the notch locking piece provided on the rising piece, the reflection When forming the engaging part between the plate body and the side plate, only punching with a press was required, and the dimensions of the retaining part were determined only by the punched part and the dimensions of the bent piece. Reliable engagement and stable quality without processing variations can be achieved. As mentioned above, spot welding is not used to join the side plate to the reflector main body, and the holes for engagement and the cross section of the bent pieces do not appear on the surface, making it possible to obtain a reflector with excellent aesthetics. In addition, it can be formed using a painted steel plate, which shortens the process of manufacturing the reflector. Since the painted side plates can be used to join the reflector body immediately before assembly of the lighting equipment, the loading efficiency of the reflectors can be improved and the space occupied by work-in-progress can be reduced.

[Brief explanation of the drawing]

Fig. 1 shows an embodiment of the lighting equipment reflector according to the present invention, (a) is an exploded perspective view, (b) is a view showing a notch on the edge of the side plate, and Fig. 2 is the same as above with the side plate fixed. Figures illustrating the embodiment, (a) is a perspective view showing the back side of the reflector, (b)
(c) is a diagram showing the state in which the bent piece of the notch for inserting the socket is raised; (c) is a diagram showing the state in which the bent piece is attached;
Fig. 3 is a perspective view showing an example of a lighting fixture equipped with the reflector of the above embodiment, Fig. 4 is a view showing the status of work-in-progress stock of the above reflector, and Fig. 5 is a diagram showing the state of the work-in-progress stock of the reflector, excluding the side plate of the above reflector. 6 is a perspective view showing a conventional reflector, and FIG. 7 is an exploded partial perspective view of the conventional example. DESCRIPTION OF SYMBOLS 1... Reflector body, 2... Side plate, 5... Notch for socket insertion, 6... Bend piece, 7... Locking hole, 8
... Notch locking piece, 9 ... Edge, 10 ... Notch portion, 12 ... Projection portion, 13 ... Bending locking portion.

Claims (1)

[Scope of Claims] 1. In a lighting equipment reflector formed into a box shape by attaching side plates to both ends of a gutter-shaped reflector main body having rising pieces along the longitudinal direction, both ends of the reflector main body are provided. A socket insertion notch having two bent pieces on both sides with a locking hole located on the bending line is provided respectively, and a notch locking piece is provided at the end of the rising piece of the reflector body. At the same time, a cutout portion having protrusions on both sides that engages with a locking hole of the socket insertion notch is provided on the edge of the both side plates having bent edges that abut the reflective surface of the reflector body, A lighting equipment reflector, characterized in that it is provided with a bent locking portion that locks a notch locking piece provided on the rising piece. 2. The lighting equipment reflector as set forth in claim 1, wherein the side plate is formed by pressing a painted steel plate.