JP4125410B2 - lighting equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lighting fixture, and more particularly, to a mounting structure for a socket fixture to a fixture main body in a direct lighting fixture for a straight tube fluorescent lamp.
[0002]
[Prior art]
The direct lighting fixture for two straight tube fluorescent lamps is, for example, an instrument body 1 having a substantially U-shaped cross section attached to the ceiling as shown in FIG. It is provided with two pairs of socket fixtures 3 to which the socket 2 is fixed and a reflector 4 having a substantially V-shaped cross section attached to the instrument body 1 so as to cover the instrument body 1.
[0003]
A structure for attaching one socket fixture 3 to the instrument body 1 is, for example, as shown in FIG.
[0004]
As shown in the figure, the instrument body 1 has a substantially U-shaped cross section having a bottom plate portion 5 and a side plate portion 6, and the socket fixture 3 extends from the tip of the attachment portion 7 to extend outward. The socket 2 is fixed to the installation portion 8. Two mounting holes 9 are formed side by side at the corners of the bottom plate portion 5 and the side plate portion 6 of the instrument body 1 described above, while two mounting pieces 10 are provided on one side of the mounting portion 7 of the socket mounting tool 3. Two bent pieces 11 that protrude and are bent at approximately 90 ° with respect to the attachment portion 7 are protruded, and an end piece 12 is protruded on an orthogonal side adjacent to one side of the attachment portion 7 described above. ing.
[0005]
When the socket fixture 3 is attached to the instrument main body 1, as shown in FIGS. 9 and 10, the attachment piece 10 provided in the attachment portion 7 of the socket fixture 3 is inserted into the attachment hole 9 of the instrument main body 1. Thereby, the bending piece 11 provided in the attachment part 7 will be in the state which surface-contacted with the surface of the baseplate part 5 of the instrument main body 1. FIG.
[0006]
After the mounting piece 10 is inserted, the mounting piece 10 is bent inward by approximately 90 ° as shown in FIGS. Thereby, it will be in the state where the baseplate part 5 of the instrument main body 1 was pinched | interposed through the some clearance gap between the attachment piece 10 located in the one surface side, and the bending piece 11 located in the other surface side.
[0007]
Further, as shown in FIG. 13, the end piece 12 extending from the attachment portion 7 of the socket fixture 3 is bent outward by approximately 180 ° by caulking, and the side plate portion 6 of the instrument body 1 is sandwiched between the attachment portion 7. In this state, the socket fixture 3 is attached to the instrument body 1 in a movable state within a certain range.
[0008]
Thus, attaching the socket fixture 3 to the instrument main body 1 in a movable state within a certain range is based on the following reason. That is, as shown in FIG. 7, in the lighting fixture, the socket 2 is erected substantially perpendicularly to the reflector 4 having a V-shaped cross section, and therefore the socket 2 is arranged obliquely with respect to the fixture body 1. Become.
[0009]
On the other hand, when attaching the reflector 4 to the instrument body 1 to which the socket fixture 3 is attached, the reflector 4 is moved straight from below to vertically upward with respect to the socket 2 arranged obliquely, The socket 2 is inserted into the socket insertion hole 13 provided in the reflector 4 and the reflector 4 is fixed to the instrument body 1.
[0010]
As a result, when the socket 2 is in a fixed state, the socket insertion hole 13 provided in the reflector 4 must be made larger than the width of the socket 2, and the socket 2 protrudes from the reflector 4 at the portion where the socket 2 projects. A gap is formed between the reflector 2 and the reflecting plate 4 and the appearance is deteriorated.
[0011]
Therefore, as described above, if the socket fixture 3 is attached to the instrument body 1 in a movable state within a certain range, the socket 2 obliquely arranged so as to project outward can be moved inward within a certain range. The socket 2 can be along the vertical direction accordingly.
[0012]
Thereby, since the hole 13 of the reflecting plate 4 required when attaching the reflecting plate 4 to the instrument main body 1 can be made smaller than the above-mentioned case, it can be brought close to the width dimension of the socket 2, and the socket 2 is The gap between the socket 2 and the reflecting plate 4 can be made as small as possible at the portion protruding from the reflecting plate 4, and the appearance is also improved.
[0013]
[Problems to be solved by the invention]
By the way, when attaching the socket fixture 3 to the instrument body 1 as described above, the attachment piece 10 provided on the attachment portion 7 of the socket fixture 3 is bent by approximately 90 °, or the end piece 12 is bent by approximately 180 °. At that time, there were problems such as requiring dedicated jigs and equipment, requiring assembly man-hours, and requiring capital investment.
[0014]
Therefore, the present invention has been proposed in view of the above-mentioned problems, and the object of the present invention is that it does not require assembly steps, and illumination that allows a socket fixture to be easily and quickly attached to an instrument body without capital investment. To provide an instrument.
[0015]
[Means for Solving the Problems]
As technical means for achieving the above-described object, the present invention comprises an instrument body having a substantially U-shaped cross section having a bottom plate portion and a side plate portion, and a mounting portion having a substantially L-shaped cross section comprising two bent pieces. And a socket fixture with a socket fixed to the tip of the attachment portion, and the socket fixture is attached to the fixture body by attaching each bent piece of the attachment portion to the bottom plate portion and the side plate portion, respectively. A first mounting hole is drilled in the bottom plate portion of the tool body and a second mounting hole is drilled in the side plate portion, and the first and second mountings are attached to each bent piece of the socket fixture. By providing each piece, inserting the first attachment piece into the first attachment hole, and inserting and locking the second attachment piece into the second attachment hole while deforming the side plate portion outward, the socket The fixture is attached to the instrument body in a movable state within a certain range.
[0016]
In addition, the present invention has a substantially U-shaped instrument body having a bottom plate portion and a side plate portion, and a mounting portion having a substantially L-shaped section consisting of two bent pieces, and a socket is provided at the tip of the mounting portion. A fixed socket fitting, and a reflector having a substantially V-shaped cross-section that covers the instrument body and has a socket insertion hole at an end thereof, the socket fitting being attached to each bent piece of the fitting portion as a bottom plate And a lighting device for projecting the socket of the socket fixture from the socket insertion hole of the reflector when the reflector is attached to the instrument body in the state where the reflector is attached to the instrument body. A mounting hole is drilled, a second mounting hole is drilled in the side plate portion, first and second mounting pieces are provided in each bent piece of the socket mounting tool, and the first mounting piece is the first Insert the second mounting piece into the mounting hole and deform the side plate part outward By engaging and inserted into the second mounting hole while, characterized in that attached to the fixture body socket fitting movably in a predetermined range.
[0017]
The first mounting hole is an elongated slit, the second mounting hole is a square hole, and the first mounting piece is a tongue piece protruding from the bent piece of the socket mounting tool with a step, The two mounting pieces are preferably claw pieces that are locked with a certain clearance with respect to the square holes. In addition, the claw piece is provided at a right angle to each bent piece of the socket fixture, and a notch is formed on the end surface facing the square hole, and the protruding end of the notch is a peripheral portion of the square hole. It is possible to set a certain range of movable state by a certain clearance. Furthermore, it is desirable that the notch is a substantially V-shaped concave groove.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the lighting fixture according to the present invention will be described in detail below. As shown in FIG. 6, the lighting fixture is for two straight tube fluorescent lamps, and two sockets 2 are respectively provided at both ends of the fixture body 21 by socket fittings 24 described later. In the following description, the structure for attaching one socket fixture 24 to the instrument body 21 will be described.
[0019]
In this embodiment, as shown in FIG. 1, the instrument main body 21 has a substantially U-shaped cross section having a bottom plate portion 22 and a side plate portion 23, and the socket fixture 24 has two bent pieces 25, 26. A mounting portion 27 having a substantially L-shaped cross section is formed, and the socket 2 is fixed to an extending portion 28 that is bent from the tip of the mounting portion 27 and extends outward.
[0020]
The bottom plate portion 22 of the instrument main body 21 described above is a first attachment hole, for example, a slit 29 that is elongated in the longitudinal direction of the instrument main body 21 is formed at a predetermined location, and the side plate portion 23 is a corner that is a second attachment hole. Holes 30 (two in the figure) are drilled at predetermined locations at predetermined intervals.
[0021]
On the other hand, a tongue piece 31 as a first attachment piece is provided with a step 32 on one bent piece 25 (hereinafter referred to as a bottom bent piece) of the socket fixture 24, and the above-mentioned bottom bent piece. A claw piece 33 as a second attachment piece is projected from the other bent piece 26 (hereinafter, referred to as a side bent piece) that is bent by approximately 90 ° from 25 and stands upright. The claw piece 33 protrudes outward in a state of being substantially perpendicular to the side bent piece 26 and is in a positional relationship orthogonal to the bottom bent piece 25 described above. A V-shaped notch 34 is formed on the end face of the claw piece 33 facing the square hole 30 on the reflecting plate side. In this embodiment, the two square holes 30 and the claw pieces 33 are provided at predetermined intervals along the longitudinal direction of the instrument body 21, but the number and position of the claw pieces are arbitrary.
[0022]
When attaching the socket fixture 24 to the instrument main body 21, first, as shown in FIG. 2, the socket fixture 24 is inclined with respect to the instrument main body 21 and extends from the bottom bent piece 25 of the attachment portion 27. The piece 31 is inserted into the slit 29 of the instrument body 21 up to the point having the step 32 located between the bottom bent piece 25 and the tongue piece 31.
[0023]
Then, the socket fixture 24 is moved in a state where the tongue piece 31 is hooked on the instrument main body 21, and the side bent piece 26 is brought close to the side plate part 23 of the instrument main body 21. Accordingly, as shown in FIG. 3, the claw piece 33 protruding from the side bent piece 26 comes into contact with the side plate portion 23, and the side plate portion 33 is held by the claw piece 33 by pressing the side bent piece 26 against the side plate portion 23. 23 is deformed outward. At this time, when the side plate portion 23 is deformed to the outside to some extent, the claw pieces 33 that are in contact with the side plate portion 23 are removed and inserted into the square holes 30 as shown in FIGS. 4 and 5, and the side plate portion 23 is brought into the initial posture. By returning, the attachment of the socket fixture 24 to the instrument body 21 is completed.
[0024]
When the socket fixture 24 is completely attached, a certain clearance a (see FIG. 4) can be provided by forming a substantially V-shaped notch 34 on the end face of the claw piece 33 facing the square hole 30. Thus, the socket fixture 24 can be attached to the instrument main body 21 in a movable state within a certain range. That is, even if the claw piece 33 is about to come out of the square hole 30, the cutout portion 34 of the claw piece 33 is provided. The claw piece 33 does not come out of the square hole 30 when the protruding end portion of the side plate hits the peripheral portion of the square hole 30 of the side plate portion 23. The above-described notch 34 is a substantially V-shaped groove, but other shapes are possible.
[0025]
As a result, when the reflector 4 having a substantially V-shaped cross section is attached to the instrument body 21 as described above, the socket 2 (see FIG. 6) that is obliquely arranged so as to project outward is moved inward within a certain range. Accordingly, the reflecting plate 4 can be attached to the instrument body 21 from the vertical direction after the socket 2 is moved along the vertical direction. The required socket insertion hole 13 (see FIG. 7) of the reflecting plate 4 can be reduced to approach the width of the socket 2, and the socket 2 and the reflecting plate 4 The gap between the two can be made as small as possible, and the appearance is also improved.
[0026]
【The invention's effect】
According to the present invention, when attaching the socket fixture to the instrument body, there is no need to perform bending or caulking, and no dedicated jig or equipment is required, so that the assembly man-hours are not required and there is no capital investment The socket fixture can be easily and quickly attached to the instrument body, and its practical value is very large.
[Brief description of the drawings]
FIG. 1 is an enlarged perspective view of a main part showing an embodiment of a lighting fixture according to the present invention. FIG. 2 is a diagram for explaining a procedure for attaching a socket fixture to a fixture body, with a tongue piece inserted into a slit. FIG. 3 is a cross-sectional view illustrating a manner in which the socket fixture is attached to the instrument body, and shows a state in which the side plate portion of the instrument body is deformed outward by a claw piece. FIG. 5 is a cross-sectional view taken along the line A-A in FIG. 4 for explaining the attachment procedure of the fixture to the instrument body and showing a state in which the socket fixture is completely attached to the instrument body. [Overall schematic view showing a state in which the socket fixture is attached to the fixture body] [FIG. 7] Cross-sectional view showing the overall schematic structure in which the socket fixture and reflector are attached to the fixture main body [Fig. Shows the mounting structure of the tool to the tool body FIG. 9 is a front view showing a state in which a mounting piece of the socket fixture is inserted, for explaining a procedure for attaching the socket fixture to the instrument main body. FIG. 11 is a cross-sectional view taken along the line. FIG. 11 is a front view showing a state in which the socket fixture is bent and the end piece is crimped to explain the procedure for attaching the socket fixture to the instrument body. 11 is a cross-sectional view taken along line CC in FIG. 11. FIG. 13 is a cross-sectional view taken along line DD in FIG.
21 instrument body 22 bottom plate portion 23 side plate portion 24 socket fixture 25 bent piece 26 bent piece 27 attachment portion 29 first attachment hole (slit)
30 Second mounting hole (square hole)
31 First mounting piece (tongue piece)
33 Second mounting piece (claw piece)
34 Notch a Clearance

Claims (5)

An instrument body having a substantially U-shaped cross section having a bottom plate portion and a side plate portion, and a mounting portion having a substantially L-shaped cross section comprising a bottom bent piece and a side bent piece, and a socket is fixed to the tip of the mounting portion The bottom bent piece of the attachment portion overlaps the bottom plate portion of the instrument body, and the side bent piece of the attachment portion overlaps the side plate portion of the instrument body. in the a luminaire socket fitting is attached to the fixtures body,
The first mounting hole is bored in the bottom plate portion of the instrument body, the second mounting hole is bored in the side plate portion,
A first mounting piece is provided on the bottom bent piece of the socket fixture, and a second mounting piece is provided on the side bent piece;
The first attachment piece of the bottom bent piece is inserted into the first attachment piece of the bottom plate portion, and the second attachment piece of the side bent piece is the second attachment of the side plate portion. Inserted into the hole,
The end face of the second mounting piece inserted into the second mounting hole is opposed to the second mounting hole, and is cut to form a certain clearance with a peripheral portion of the second mounting hole. A lighting fixture , wherein a notch is formed, and the socket fixture is movable relative to the fixture body within the range of the fixed clearance . A reflector having a substantially V-shaped cross section covering the instrument body and having a socket insertion hole at an end thereof, and the socket fixed to the socket fixture protrudes from the socket insertion hole of the reflector. The lighting fixture according to claim 1. The first mounting hole and an elongated slit, with a square hole of the second mounting hole and the first mounting piece projecting with a step from the bottom bent piece of said socket fitting tongue The lighting apparatus according to claim 1, wherein the second mounting piece is a claw piece having the cutout portion . The second attachment piece according to claim 1 to claim 3, characterized in that are found provided a substantially right angle with respect to said bottom bent piece and the side bent piece of said socket fitting The lighting fixture in any one of . The lighting fixture according to any one of claims 1 to 4, wherein the notch is a substantially V-shaped concave groove.

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