JPH09161521A - Reflector for luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the necessity for coating after process. SOLUTION: A reflector body 40 is furnished with the first locking pawls 45 formed protrusively at the two edges across the width at the ends about the longitudinal direction and the second locking pawls 47 formed protrusively at the two edges across the width of a socket inserting hole, and an end plate 50 is folded so as to overlap with the rear surface of the board body from the two ends across the width of the upper part of the end plate body. The arrangement further includes the first locking pawl supporting part 55 equipped at the foremost with a tapered part 56 narrowing toward the foremost and the second locking pawl supporting part 60 which intersects the inner edge of the second locking pawl of the board body and has an inclined surface formed so as to go apart from the second locking pawl followed by folding upon overlapping the first locking pawl on the first locking pawl supporting part including the tapered part, and the second locking pawl is intersected with the inclined surface and folded in the direction of the second locking pawl supporting part, and the end plate is mounted on the body of reflector board.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for assembling a reflector for a lighting fixture, which comprises a reflector main body having a substantially V-shaped cross section and end plates attached to openings at both ends of the reflector main body.

[0002]

2. Description of the Related Art A conventional reflector for lighting equipment will be described with reference to FIGS.

In FIG. 10 and FIG. 11, reference numeral 10 is a cross-sectional view having opposing reflecting surfaces 11 and 11 which are opposed to each other in opposite directions and which spread upward and which reflects the light of the lamp 18 (see FIG. 8). These V-shaped reflector bodies are used to
Rectangular socket-shaped through holes 12 are formed at both ends in the longitudinal direction of 1 and 11, respectively. Furthermore, on the top portion 13 formed in the lower center of the reflector main body 10 in the longitudinal direction,
Two mounting holes 14 are provided for each.

Reference numeral 20 denotes an end plate attached to each opening of both ends of the reflector main body 10, and an end plate main body 21 having a substantially V shape that covers the end opening of the reflector main body 10 and the end plate main body 21 is folded. It is formed by bending and forming bent pieces 22 and 22 that overlap the back surface of both ends of the reflector main body 10.

The end plate 20 is formed by superimposing the back surface of both ends of the reflector main body 10 and the bent pieces 22, 22 of the end plate 20, respectively.
Is arranged in the end opening of the reflector main body 10, and the bent pieces 22, 22 of the end plate 20 and the reflector main body 10 are fixed by spot welding to form the reflector 9 for the lighting fixture.

Next, with reference to FIGS. 7, 8 and 9, an illuminator using the above-described reflector for illuminator will be described.

In FIG. 8 and FIG. 9, reference numeral 25 denotes an instrument main body having a U-shaped cross section which is opened downward. The instrument main body 25 is a substantially flat rectangular instrument main body which is attached to a ceiling or a wall surface not shown. The socket support portion 30 having a substantially V-shaped configuration is formed of the portion 26 and the support pieces 27 and 27 that are bent downward from both ends in the width direction of the instrument body main portion 26. It is rotatably mounted above both outer side surfaces. The ramp socket 15 is fitted and fixed to a fitting hole (not shown) on the ascending slope portion 30a formed outside the socket support portion 30.

On the lower surface of the middle portion of the main part 26 of the instrument body in the longitudinal direction, two generally trapezoidal reflector mounting fittings 16 that are open upward are fixed by spot welding.

A method of mounting the reflector 9 for the lighting fixture on the fixture body 25 will be described.

When the upper opening of the reflecting plate 9 is moved upward and moved toward the instrument body 25, the lower end portions 15a of the rumb sockets 15 attached to the lower left and right ends of the instrument body 25 in the longitudinal direction are It projects from the socket through hole 12 of the reflective surface 11. Further, when it is moved upward, the entire rumb socket 15 projects from the socket through hole 12 of the reflection plate 9, and the top portion 13 of the reflection surface 11 abuts on the lower flat surface of the reflection plate mounting member 16. Finally, the decorative screw 17 is inserted from the mounting hole 14 formed in the top portion 13 of the reflection plate 9, and screwed into a screw portion (not shown) formed on the lower flat surface of the reflection plate mounting metal fitting 16 so that the reflection plate 9
Is fixed to the reflector mounting bracket 16 of the instrument body 25. Then, the straight tube fluorescent lamp 18 is mounted between the lamp sockets 15 and 15.

[0011]

The conventional reflector 9 for a lighting fixture described above uses a steel strip as a raw material, and a steel strip is used as a raw material at both end openings of a reflector main body 10 manufactured by press working. End plates 20 and 2 used and manufactured by pressing
0s were arranged respectively and their mutual fixing was performed by spot welding.

For this reason, the reflector 9 must be coated in a step after spot welding the reflector body 10 and the end plates 20, 20 to each other, and a prepainted coated steel strip can be used. There was a problem that it could not be done and the cost increased.

The present invention has been made in view of the above points, and it is an object of the present invention to provide an assembly structure of a reflector for a lighting fixture which does not require coating in a subsequent step.

[0014]

In order to achieve the above object, the reflector for a lighting device of the present invention has a cross-section having a reflecting surface that is open at both ends and that expands on opposite sides in the longitudinal direction. It has a V-shaped reflector main body, an end plate main body that closes the openings at both ends of the reflector main body, and bent pieces that are bent and formed from these end plate main bodies and that overlap with the back surface of both ends of the reflector main body. A reflector plate for a lighting fixture, comprising an end plate, the end plates being attached to openings at both ends of the reflector plate, and socket through holes penetrating through the reflector plate at both longitudinal ends thereof. The plate body has first locking claws protruding from both widthwise edges at both ends in the longitudinal direction, and second locking claws protruding from both widthwise edges of the socket through hole. Respectively, in front The end plate is formed by bending from both ends in the upper width direction of the end plate body so as to overlap with the back surface side of the reflection plate body, and a taper portion narrowing in the tip direction is formed at the tip portion. A second engagement member having a first engaging claw support portion and an inclined surface formed in a direction intersecting with an inner edge of the second engaging claw of the reflector main body and away from the second engaging claw. And a second pawl supporting portion, each of which is provided with a first pawl supporting portion including at least a part of the taper portion, and the first pawl supporting portion is overlapped and bent. The stop claws are bent in the direction of the second locking claw support portions with the intersections of the inclined surfaces as fulcrums, and the end plates are attached to the openings at both ends of the reflector main body.

In the above structure, the end plate is inserted from both ends of the opening of the reflector main body to the position where the end plate and the end surface of the reflector main body are substantially flush with each other, and then the first locking of the reflector main body is performed. By simply bending and closely contacting the claw and the second locking claw with the first locking claw supporting part and the second locking claw supporting part of the end plate, respectively, it is possible to engage easily and securely without damaging the appearance. it can.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a reflector for a lighting device according to the present invention will be described below with reference to FIGS. In addition, the same components as those of the conventional technique will be described with the same reference numerals.

A reflector main body according to an embodiment of the present invention will be described with reference to FIG.

Reference numeral 40 denotes a reflector plate body made of a coated steel strip and having a substantially V-shaped cross section, which is open at both upper and longitudinal ends. It has surfaces 11 and 11 and is composed of side plates 42 and 42 formed by being bent upward in parallel with the upper ends in the longitudinal direction of these reflecting surfaces 11 and 11, respectively. Furthermore, the reflecting surfaces 11 and 11 of the reflector body 40
At both ends of the top portion 13 formed at the lower intersection point, mounting holes 14 and 14 for mounting to a device body (not shown) are formed respectively, and the side plates 42 and 42 extend inward at right angles from both longitudinal ends. The first locking claws 45, 45 each of which is formed by bending are formed. Further, substantially rectangular notch portions 43, 43 having open ends are formed at both ends in the longitudinal direction of the reflecting surfaces 11, 11. From the widthwise ends of these notches 43,
Second locking claws 47 having a substantially rectangular shape are formed so as to project.

Next, an end plate according to an embodiment of the present invention will be described with reference to FIGS.

Reference numeral 50 denotes a substantially V-shaped end plate made of coated steel strip. The end plate 50 has an end plate main body 21 having substantially the same shape as the opening at both ends of the reflection plate main body 40, and a first plate described later. The locking claw support portion 55 and a bent piece 65 in which a pair of second locking claw support portions 60 to be described later are respectively formed.

The end plate body 21 has inclined portions 51 and 5 which come into contact with the back surfaces of the reflection surfaces 11 and 11 of the reflection plate body 40, respectively.
1 and rising portions 52, 52 that rise upward from the upper ends of the inclined portions 51, 51 in a substantially parallel manner.

From the rising portions 52, 52 of the end plate body 21,
Substantially rectangular first locking claw support portions 55, 55, which are bent in parallel substantially inward, are formed to face each other. A taper portion 56 that narrows in the tip direction is formed at the tip portion 56a of the first locking claw support portion 55.

Further, the inclined portions 51, 51 are bent inwardly at a substantially right angle to form bent pieces 65, 65, and the middle portions of the bent pieces 65, 65 have a substantially rectangular shape. Notches 66, 66 are formed. Substantially trapezoidal second locking claw support portions 60, 60 are formed so as to project from opposite ends of the cutout portion 66, respectively. The second locking claw support portions 60, 60 on the side of the end plate body 21 are each formed with an inclined surface 61 that expands inward. The width L1 of the cutout portion 43 of the reflection plate body 40 and the width L2 of the cutout portion 66 of the end plate 50 are formed to have the same size.

Next, a method of assembling the reflector 75 for a lighting fixture by fixing the end plates 50 to both openings of the reflector main body 40 will be described with reference to FIGS. 4 and 5.

As a first step, the end plate 50 is formed so that the back surface of both ends of the reflector main body 40 and the first locking claw support portions 55, 55 and the bent pieces 65, 65 of the end plate 50 overlap with each other.
Is attached to the reflector main body 40, and the end plate main body 21 and the end surface of the reflector main body 40 are inserted into a position substantially flush with each other.

At this position, as shown in FIG.
The first locking claw 45 of the reflector main body 40 is the first locking claw 45 of the end plate 50.
The cutout portion 43 of the reflection plate main body 40 and the cutout portion 66 of the end plate 50 are positioned in the middle of the taper portion 56 of the locking claw support portion 55 of FIG. The substantially rectangular hole formed by the notch 43 and the notch 66 is
A socket through hole 70 is formed through which a lamp socket attached to a fixture body (not shown) projects. In addition, as shown in FIG. 5, the right end of the second locking claw 47 of the reflector main body 40 is located in the middle of the inclined surface 61 formed at the left end of the second locking claw support portion 60 of the end plate 50. The angle F between the right end of the second locking claw 47 and the inclined surface 61 of the second locking claw support 60 is located.
Are formed so as to separate from each other.

As the second step, as shown in FIG. 4C, the first locking claw 45 is bent inward until it comes into close contact with the first locking claw support 55. The taper portion 56 of the first locking claw support portion 55 of the end plate 50 has a spring washer function because it is bent in a direction away from the side plate 42. Therefore, the first locking claw 45 and the first locking claw support portion 55 are securely fixed. Further, the tip portion 56a of the taper portion 56 has a function of preventing the end plate 50 from coming off.

As the third step, as shown in FIG. 5A, when the second locking claw 47 of the reflector main body 40 is bent in the direction shown by the arrow, the second locking claw 47 and the second locking claw 47 are formed. Is bent at a line connecting the intersection G1 and the intersection G2 with the locking claw support 60. That is, the second locking claw 47 is bent in the direction of the second locking claw support portion 60. Therefore, the end plate 50
Securely engages the reflector body 40.

When the second locking claw 47 is bent, a recess 48 is formed at the base of the second locking claw 47 as shown in FIG. 5, so that the second locking claw 47 can be formed. Can be easily folded.

As described above, since the reflector main body 40 and the end plate 50 can be easily joined by simply bending the locking claws 45 and 47 respectively, and the appearance is not deteriorated, a coated steel strip is used. it can. Therefore, there is no need for painting in the subsequent process,
Costs can be reduced.

As shown in FIG. 6, the second locking claw 4
When the second locking claw 47 is bent to the second locking claw supporting part 60 in a state where the second locking claw supporting part 60 is inclined in the bending direction of 7, the result is as shown in FIG. 6 (B). As shown, the second locking claw 4
Since 7 is bent while being in close contact with the second locking claw support portion 60, there is little backlash and it can be fixed more reliably.

[0032]

As described above in detail, according to the present invention, the end plate is provided with a taper portion which narrows in the front end direction.
And a second locking claw supporting part having an inclined surface, and the reflecting plate body is provided with the first locking claw and the second locking claw. By simply bending the stop claw and the second locking claw toward the first locking claw supporting portion and the second locking claw supporting portion, engagement can be performed easily and reliably. Therefore, painting is not required in the subsequent process, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a reflector for a lighting fixture according to an embodiment of the present invention.

FIG. 2 shows a reflector main body in the same embodiment, and (A) is a top view. (B) is a side view. (C) is A
Arrow view.

FIG. 3 shows an end plate in the same embodiment,
(A) is a top view. (B) is a left side view. (C) is a front view. (D) is a view on arrow B. (E) is an enlarged view of part C.

FIG. 4 shows a mounting structure of a reflector main body and an end plate,
FIG. 6A is a top view showing a state before attaching the end plate to the reflector main body. FIG. 6B is a side view showing a state before the first locking claw of the reflector main body is bent on the first locking claw support portion of the end plate.
(C) shows the first locking claw support portion of the end plate with the first reflection plate body
The top view which shows the state which bent the locking claw of FIG.

FIG. 5 shows a mounting structure of a reflector main body and an end plate,
(A) shows the second locking claw support of the end plate with the second
The front view which shows the state before bending the locking claw of FIG. FIG. 6B is a front view showing a state in which the second locking claws of the reflector main body are bent on the second locking claw support portions of the end plate.

FIG. 6 is a cross-sectional view showing a state in which a second locking claw is bent and fixed to a second locking claw support portion having an inclined portion, and (A) is a state before bending and fixing. FIG. 3B is a cross-sectional view showing a state in which it is bent and fixed.

FIG. 7 is a perspective view showing an overall structure of a lighting fixture using a general reflector for a lighting fixture.

FIG. 8 is a luminaire according to a conventional technique, (A) is a top view.
(B) is a front view.

FIG. 9 is a side sectional view showing a lighting fixture according to a conventional technique.

FIG. 10 is an exploded perspective view showing a state in which an end plate according to a conventional technique is attached to a reflector main body.

FIG. 11 is a view showing a reflector for a lighting device according to a conventional technique, and (A) is a top view. (B) is a side view.

[Explanation of symbols]

 40 ... Reflector main body, 45 ... 1st locking claw, 47 ... 2nd locking claw, 50 ... End plate, 55 ... 1st locking claw support part, 56 ... Taper part, 56a ... Tip Part, 60 ... second locking claw support part, 61 ... inclined surface, 70 ... socket through hole, 75 ... reflector for lighting fixture.

Claims (1)

[Claims] 1. A reflector main body having a substantially V-shaped cross-section, which has both ends open and reflection surfaces that are oppositely widened on both sides in the longitudinal direction, and an end plate main body that closes the both ends openings of the reflector main body. And an end plate that is formed by bending each of these end plate bodies, and has bent pieces that overlap with the back surface of both ends of the reflector plate body, and the end plates are attached to both end openings of the reflector plate body. In a reflector for a lighting device, which has socket through-holes formed at both ends in the longitudinal direction of the reflector, the reflector main body is formed so as to project from both edges in the width direction at both ends in the longitudinal direction. Locking claws and second locking claws formed so as to project from both edges in the width direction of the socket through hole are respectively provided, and the end plate includes the upper width direction both ends of the end plate body. Reflector body First, a taper portion is formed at the tip end portion so as to be bent so as to overlap with the back surface side of the
And a second lock having an inclined surface that is formed so as to intersect with the inner edge of the second lock claw of the reflector main body and to be separated from the second lock claw. Claw supporting portions are respectively provided, and the first locking claw supporting portions including at least a part of the taper portion are overlapped and bent, and the second locking A reflector plate for a lighting fixture, characterized in that the claws are bent in the direction of the second locking claw support portion using the intersections of the inclined surfaces as fulcrums, and the end plates are attached to openings at both ends of the reflector plate body.