JPH10214509A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a translucent panel from being fallen out easily while preventing generation of creases and tension of the translucent panel. SOLUTION: This luminaire is made by arranging plural translucent panels 3 in a flexible sheet condition so that edge rims are almost faced each other and connecting those edge rims almost facing each other through a connecting frame 7. In this case, an engaging part 3a is provided on the edge rim of the translucent panel 3, and while making in the connecting frame 7a groove part 7c to which the engaging part 3a of the translucent panel 3 is inserted, a locking part to lock the engaging part 3 with free movement in the groove part 7c is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a lighting fixture,
In particular, the present invention relates to a lighting device formed by connecting a plurality of translucent panels.

[0002]

2. Description of the Related Art FIGS. 9 and 10 show a conventional luminaire. The luminaire is embedded and mounted in an embedding hole provided in a ceiling.
And a frame 2 and a translucent panel 3.

[0003] The apparatus main body 1 has a substantially box-like shape which is opened downward on one side, and accommodates a plurality of straight tube-type fluorescent lamps as lamps 4, and a frame 2 on the opening side. , A plurality of translucent panels 3 are mounted.
The translucent panel 3 is formed by molding a resin so that the cross section thereof has a substantially gutter shape, and the edge of the translucent panel 3 is dropped into the frame 2 and locked. A plurality of panel locking portions 2a are provided.

[0004]

However, in the conventional luminaire constructed as described above, the translucent panel 3 is dropped and locked in the panel locking portion 2a. In addition, there is a problem that the translucent panel 3 may be detached from the panel locking portion 2a and fall off due to expansion and contraction or vibration due to temperature and humidity. In addition, since the edge of the translucent panel 3 is substantially in contact with the panel locking portion 2a, the translucent panel 3 is pulled or stretched by the temperature and humidity, and the translucent panel 3 becomes flexible. If there is, there is a problem that wrinkles may occur.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to prevent wrinkles and tightness of a light-transmitting panel and to prevent a light-transmitting panel from falling off. Is to provide.

[0006]

According to the present invention, in order to solve the above-mentioned problems, a plurality of light-transmitting panels are arranged so that their edges are substantially opposed to each other. A lighting fixture comprising the substantially opposing edges connected via a connecting bar, wherein an engaging portion is provided at an edge of the translucent panel, and the connecting bar includes an engaging portion of the translucent panel. Is provided with a locking portion that is movably locked.

[0007] According to the second aspect of the present invention, the first aspect is provided.
The lighting device according to claim 1, wherein the connecting bar has a decorative surface on a lower surface, and has a groove on an upper surface side into which an engaging portion of the translucent panel is inserted. The joint portion is inserted, and the translucent panel is attached to the connecting bar so that the engaging portion is movable in the insertion direction in the groove.

According to a third aspect of the present invention, in the lighting apparatus according to the first or second aspect, the translucent panel is a sheet having flexibility.

[0009]

1 to 4 show a first embodiment of a lighting fixture according to the present invention. The lighting fixture has a plurality of embedded holes 5a provided in a ceiling 5. FIG. The device is embedded and mounted in one direction, and connected and mounted in one direction. The device includes a device main body 1, a frame 2, and a translucent panel 3.

The apparatus main body 1 is made of metal, and is formed in a substantially box shape which is opened downward on one side, and one side wall 1a on the side orthogonal to the connecting direction has the other side except for both ends in the connecting direction. It is configured to protrude below the side wall 1b. At the lower end of one side wall 1a, an outer flange 1c is provided which is in contact with the lower surface of the peripheral end of the embedding hole 5a of the ceiling 5,
On the inner surface side of one side wall 1a, a plurality of locking claws 1d projecting inward of the instrument body 1 and for attaching the frame 2 are provided. A socket (not shown) for holding a plurality of lamps 4 as straight tube-type fluorescent lamps, a lighting device (not shown) for lighting the lamps 4,
And the reflection plate 6 are accommodated. And the instrument body 1
The outer flange 1c is brought into contact with the lower surface near the peripheral end of the embedding hole 5a provided in the ceiling 5, and one side wall 1b is opposed to the appliance body 1 disposed adjacently. It is designed to be connected and mounted.

The frame 2 is mounted on the opening side of the instrument body 1 and has a V-shaped spring 2 attached to the instrument body 1.
c is provided with an outer frame 2a provided with c and an inner frame 2b. The outer frame 2a includes a side frame 2d facing the lower end of one side wall 1a of the instrument body 1 from the inside, and a side frame 2d.
Reinforcing member 2 for connecting the upper end side so as to be parallel to each other
e, a plurality of connecting bars 7 fixed to the vicinity of the lower end of the side frame portion 2d by, for example, welding or screws, and disposed substantially parallel to each other between the side frame portions 2d; Metal fittings 8 attached so as to face the upper surface of the device, and a ceiling contact piece 2e extending outward at the lower end of the side frame portion 2d to contact the lower surface of the ceiling and cover the outer flange 1c of the instrument body 1.
It is comprised including. Also, the inner frame 2b is
a, is mounted along the side frame portion 2d so as to face the side frame portion 2d, and the upper end thereof is formed into a curved surface, and the mounting surface 2f of the translucent panel 3 mounted on the frame body 2 Have been.

The connecting bar 7 is formed by extruding aluminum, for example, and has a substantially E-shaped cross section having an upward opening and a narrow width on the lower side, a lower surface serving as a decorative surface, and a lower surface serving as a decorative surface. A substantially plate-like holding metal piece 8 is provided substantially at the center of the upper end of the central piece 7a.
Is provided with a mounting portion 7b which is attached by a screw, and both sides of the mounting portion 7b are formed as grooves 7c. The holding metal 8 is screwed to the frame 2 at both ends in the longitudinal direction, and the width of the holding metal 8 is larger than the width of the connecting bar 7 so that the shadow of the holding metal 8 is not seen from below. It is formed narrow.

The translucent panel 3 is, for example, a milk-white, flexible, rectangular sheet-like body, and has two long side edges, as shown in FIG. An engaging portion 3a having a substantially triangular cross section is provided, for example, by bonding, or substantially over the entire length. The light-transmitting panel 3 is mounted on the mounting surface 2f of the inner frame 2 of the frame 2 by placing both end edges, which are substantially perpendicular to the side on which the engaging portions 3a are provided, so that the curved surface as the panel is formed. Is to be formed. The groove 7c of the connecting bar 7 is dimensioned such that the engaging portion 3a of the light transmissive panel 3 can move in the groove 7c in the insertion direction even if it expands and contracts due to the temperature and humidity of the light transmissive panel 3. The engaging portion 3a is housed in the groove portion 7c, and is prevented from coming out of the groove portion 7c by the holding metal member 8 fixed to the mounting portion 7a from above. The distance between the inner surface of the upper end of the connecting bar 7 forming the groove 7c and the end of the holding member 8 is wider than the thickness of the translucent panel 3 so that the engaging portion 3c does not come off. ,
The locking portion 9 is constituted.

With this configuration, in the lighting fixture of the present embodiment, even if the size of the light-transmitting panel 3 changes due to expansion and contraction due to temperature and humidity, the change in the size is not changed by the engagement portion 3a. Is absorbed by moving inside the groove 7c in the insertion direction, so that the light-transmitting panel 3 does not get pulled or lifted, and the engaging portion 3a of the light-transmitting panel 3
Does not come off from the locking portion 9 of the connecting bar 7, so that the light-transmitting panel 3 can be prevented from coming off and falling, and even the flexible light-transmitting panel 3 can prevent wrinkles from occurring. It does not detract from the appearance. In addition, the translucent panel 3
Since the engaging portions 3a provided on the inner frame 2b are not visible because they are covered by the connecting bar 7 from the lower surface side, the appearance is not impaired, and the flexible translucent panel 3 is further mounted on the inner frame 2b. It is possible to freely form the panel shape simply by placing on and along the mounting surface 2f, and it is possible to form the translucent panel 3 at a lower cost than when molding it. Furthermore, since the lower surface of the connecting bar 7 is used as a decorative surface, the connecting bar 7 can enhance the design.

FIG. 5 shows a main part of a lighting apparatus according to a second embodiment of the present invention. The difference from the first embodiment is that the engaging portion 3a is provided with the light-transmitting panel 3. And a plurality of claw pieces provided so as to protrude downward from the side end of the holding member 8 so as to form engagement portions in the groove portions 7a of the connecting bar 7. The point is that the claw piece as the locking portion 9 is inserted into the square hole as 3a, and the holding metal member 8 is attached to the connecting bar 7. The other configuration is the same as that of the first embodiment. I have.

The width W of the square hole, which is the engaging portion 3a, is regulated by the claw, which is the locking portion 9, even if the translucent panel 3 expands and contracts due to temperature and humidity. The translucent panel 3 is configured so as to be movable, though it does not come off the locking portion 9 even if it expands and contracts. Even with such a configuration, the same effects as in the first embodiment can be obtained.

FIG. 6 shows a main part of a third embodiment of a lighting apparatus according to the present invention. The difference from the second embodiment is that the locking part 9 is connected to the holding metal member 8. In addition to the screws attached to the crosspiece 7, the diameter D of the plurality of round holes, which are the engaging portions 3a, at the edge of the translucent panel 3 can be adjusted even if the translucent panel 3 expands and contracts due to temperature and humidity. Panel 3 is locking part 9
Between the holding metal 8 and the upper end of the connecting bar 7 is larger than the thickness of the two light-transmitting panels 3 stacked between the holding metal 8 and the upper end of the connecting bar 7. The difference is that a large gap is formed, and the other configuration is the same as that of the second embodiment. Even with such a configuration, the same effects as in the fourth embodiment can be obtained.

FIG. 7 shows a main part of a fourth embodiment of a lighting fixture according to the present invention. The difference from the first embodiment is that a holding bar 8 is used instead of the holding metal 8. The upper end of the central piece 7a is protruded to both sides, the lower end is protruded downward to form the locking portion 9, and the edge of the translucent panel 3 is bent upward to form a substantially V shape. The difference is that an engaging portion 3a is formed, and the other portions are configured in the same manner as in the first embodiment.

The translucent panel 3 is a flexible sheet, and its edges are previously creased so as to be easily bent, and inserted into the groove 7c of the connecting bar 7 in a state of being folded at the crease. When the folded portion attempts to return, the fold portion is opened in the groove portion 7a so as to form a substantially V-shape, and the engaging portion 3a is formed by the substantially V-shaped portion. The engaging portion 3a is adapted to be hooked on a substantially V-shaped engaging portion 9 protruding from the upper side to the lower side of the connecting bar 7. For this reason, the dimension between the lower end of the locking portion 9 of the connecting bar 7 and the bottom surface of the groove 7a is set such that the folded edge can be opened in a substantially V shape. Is larger than the dimension from the substantially V-shaped corner to the edge. At this time, the insertion opening of the translucent panel 3 into the groove 7 a is formed to have a width slightly larger than the thickness of the translucent panel 3.

With this structure, the same effect as that of the first embodiment can be obtained, and the engaging portion can be formed simply by forming a fold at the edge of the translucent panel 3 and inserting it into the groove 7a. 3a can be formed, the engaging portion 3a can be easily locked to the locking portion 9, and assemblability is improved.

FIG. 8 shows a main part of a fifth embodiment of the luminaire of the present invention. The difference from the fourth embodiment is that the engaging portion 3a is provided with a light-transmitting panel. 3 is formed by bending the end edge of the connecting bar 7 downwardly.
The fourth embodiment is configured in the same manner as in the fourth embodiment except that the inner wall is provided on a side wall substantially facing the center piece 7a. Even with such a configuration, the same effects as in the fourth embodiment can be obtained.

In the above embodiment, the translucent panel 3 is made of a flexible sheet.
The present invention is not limited to this, and may be a translucent panel formed by molding a resin.

[0023]

As described above, according to the first aspect of the present invention, even when the size of the light-transmitting panel changes due to expansion and contraction due to temperature and humidity, the dimensional change of the light-transmitting panel can be prevented. Is absorbed by the movement of the engaging portion, so that the light-transmitting panel 3 does not swell or float, and that the engaging portion of the light-transmitting panel 3 does not come off from the engaging portion of the connecting bar. In addition, the light-transmitting panel can be prevented from coming off or falling, and even if the light-transmitting panel is flexible, wrinkles can be prevented from being generated and the appearance is not impaired.

According to the second aspect of the present invention, the first aspect is provided.
In addition to the effects of the described invention, the engaging portion provided on the translucent panel is covered by the connecting bar from the lower surface side and cannot be seen, so that the appearance is not impaired and the lower surface of the connecting bar is decorated. Because of the surface, the design can be enhanced by the connecting bar.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, since the light-transmitting panel is in the form of a flexible sheet, the engaging portion is not required. It can be easily locked to the locking portion, and assemblability is improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a main part of a lighting apparatus according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same.

FIG. 3 is a side view of a main part of the above.

FIG. 4 shows an essential part of the translucent panel of the above, and (a)
FIG. 3 is a perspective view of a panel in which an engaging portion is provided over the entire length, and FIG. 3B is a perspective view of a panel in which an engaging portion is partially provided.

FIGS. 5A and 5B show a lighting apparatus according to a second embodiment of the present invention, wherein FIG. 5A is a side view of a main part, and FIG. 5B is a perspective view of a translucent panel.

FIGS. 6A and 6B show a lighting device according to a third embodiment of the present invention, in which FIG. 6A is a side view of a main part, and FIG. 6B is a perspective view of a translucent panel.

FIGS. 7A and 7B show a fourth embodiment of a lighting device according to the present invention, wherein FIG. 7A is a side view of a main part, and FIG. 7B is a perspective view of a translucent panel.

8A and 8B show a fifth embodiment of a lighting device according to the present invention, wherein FIG. 8A is a side view of a main part, and FIG. 8B is a perspective view of a translucent panel.

FIG. 9 is a side view showing a main part of a conventional lighting fixture.

FIG. 10 is a front view of a main part of the above.

[Explanation of symbols]

 Reference Signs List 3 translucent panel 3a engaging part 7 connecting bar 7a groove part 9 locking part

Claims (3)

[Claims] 1. A lighting apparatus comprising: a plurality of light-transmitting panels disposed so that their edges are substantially opposed to each other; and the substantially opposed edges connected via a connecting bar. A lighting fixture, wherein an engaging portion is provided at an edge of the panel, and a locking portion is provided at the connecting bar so that the engaging portion of the translucent panel is movably locked. 2. The connecting bar has a decorative surface on a lower surface, and a groove for inserting an engaging portion of the light-transmitting panel on an upper surface, and the groove is engaged with the light-transmitting panel. The lighting device according to claim 1, wherein a part is inserted, and the light-transmitting panel is attached to the connecting bar so that the engaging part is movable in the insertion direction in the groove. 3. The lighting apparatus according to claim 1, wherein the light-transmitting panel is a sheet having flexibility.