JPH10214508A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent lifting of a translucent panel linked with a cover while making it possible to narrow the width of the cover. SOLUTION: In a luminaire in which edge rims of plural translucent panels 3 arranged on the front side of a lamp 4 are converted from the bottom side by frame type covers 2c linked with the panels, the cover 2c is made by providing a level difference a little bigger than the thickness of the translucent panel 3 between the position level of the first abutting portion 2f abutting on the one translucent panel 3 and a position level of a second abutting portion 2g.

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 fixture in which a plurality of translucent panels are provided in series.

[0002]

2. Description of the Related Art FIGS. 2 and 3 show a conventional luminaire. This luminaire has an embedded hole provided in a ceiling.
A plurality of devices are embedded and connected and mounted, and include a device main body 1, a frame 2, and a translucent panel 3.

[0003] The appliance main body 1 has a substantially box-like shape which is opened on one side, and is formed such that one side wall 1a protrudes below the other side wall 1b. A straight tube-type fluorescent lamp, which is a plurality of lamps 4, is housed inside the fixture body 1, and a frame 2 protruding inward of the fixture body 1 is provided on the inner side of one of the side walls 1a. A locking claw (not shown) for attachment is provided. And the instrument body 1
Is designed to be mounted in an embedding hole provided in the ceiling with the other side wall 1b facing an instrument body disposed adjacently.

[0004] The frame 2 is mounted on the opening side of the appliance main body 1, and is opposed to the vicinity of the lower end of one side wall 1 a of the appliance main body 1 from the inside and on the lower surface of the ceiling near the peripheral end of the embedding hole. A side frame portion 2a to be in contact with, a reinforcing member 2b for connecting the side frame portions 2a so as to be parallel to each other, a plurality of covering tools 2c fixed to the side frame portion 2a and arranged between the side frame portions 2a;
And a V-shaped spring 2d attached to the side frame 2a to attach the frame 2 to the instrument body 1. The covering member 2c is provided on the upper surface side thereof in a bar shape such that two translucent panels 3 are placed from both sides with their edges close to each other, and the translucent panel 3 is covered. Tool 2
The edge is covered from below by c, and is continuously provided.

[0005]

However, in the conventional luminaire constructed as described above, the translucent panel 3 expands and contracts due to the temperature and humidity, and becomes adjacent to each other as shown in FIG. Even if the vicinity of the edge of the translucent panel 3 is overlapped, once it is contracted as shown in FIG.
In the case of extension after that, there is a problem that the edges of the translucent panel 3 come into contact with each other as shown in FIG. In order to reduce the influence of the expansion and contraction of the translucent panel 3 due to temperature and humidity, there is a case where the length of the translucent panel 3 is shortened. However, this method has a problem that the number of parts increases. there were.

Further, if the width of the covering member 2c is set to a size in consideration of expansion and contraction of the translucent panel 3 due to temperature and humidity, the width 2
In order to place the plurality of translucent panels 3, the size of the translucent panel 3 is a width 2 which is obtained by adding the minimum dimension n of the translucent panel 3 to the elongation dimension m due to the temperature and humidity of the translucent panel 3. However, there is a problem that the width of the covering tool 2c is increased and the appearance is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to reduce the width of a covering member and to prevent a light-transmitting panel provided continuously from being raised. A lighting fixture is provided.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to the invention as set forth in claim 1, wherein the edge portions of a plurality of translucent panels disposed on the front side of the lamp are provided. In a lighting device, which is continuously provided by covering the lower surface side with a bar-shaped covering member, wherein the covering member is connected to a portion of a first contact portion abutting on one translucent panel and the other translucent panel. A step slightly larger than the thickness of the light-transmitting panel is provided at a portion of the second contact portion that contacts the light-transmitting panel.

According to the second aspect of the present invention, the first aspect is provided.
In the lighting apparatus according to the aspect of the invention, the width of the covering device in a direction crossing the first contact portion and the second contact portion is reduced from an upper end side in contact with the light-transmitting panel toward a lower end side. It is characterized by being formed so that it becomes.

[0010]

FIG. 1 shows an embodiment of a lighting fixture according to the present invention. This lighting fixture has a plurality of fixtures embedded and mounted in an embedding hole provided in a ceiling. It is connected and attached, and is provided with an instrument main body 1, a frame 2, and a light-transmitting panel 3.

The apparatus main body 1 is made of metal, and is formed in a substantially box shape which is open downward and has a substantially rectangular top plate 1c whose peripheral end is bent downward. Is configured so that one side wall 1a facing the other side projects below the other side wall 1b facing the other direction.
At the lower end of one side wall 1a, an outer flange 1d is provided to abut against the lower surface of the ceiling at the periphery of the embedding hole of the ceiling.
c is provided with a bolt insertion hole 1e for mounting, and a plurality of locking claws 1f projecting inward of the instrument body 1 and mounting the frame 2 on the inner surface side of the one side wall 1a. ing. In addition, a socket (not shown) for holding a plurality of lamps 4 as straight tube fluorescent lamps, and a lighting device (not shown) for lighting the lamps 4 are provided inside the apparatus main body 1.
And the like are mounted and accommodated in the top plate 1c. And
The appliance main body 1 is configured such that the outer flange 1d is brought into contact with the lower surface near the peripheral end of the embedding hole provided in the ceiling, and one side wall 1b is opposed to the adjacently disposed appliance main body. It is designed to be mounted.

The frame 2 is mounted on the opening side of the instrument body 1 and has a side wall 1 facing the instrument body 1 in one direction.
a side frame portion 2a facing from the inner side near the lower end of a, a reinforcing member 2b connecting the side frame portions 2a at the upper end side so as to be parallel to each other, and between the side frame portions 2a fixed between the side frame portions 2a. And a plurality of V-shaped springs 2d attached to the side frame 2a for attaching the frame 2 to the instrument body 1.
At the lower end of the side frame portion 2a, a ceiling contact piece 2e that extends outward and contacts the lower surface of the ceiling and that covers the outer flange 1d of the instrument body 1 is provided.

The covering member 2c is a long body formed by extruding aluminum, for example, and has two translucent panels 3 disposed adjacently from both sides on its upper surface side. A member that is placed so that the edges are close to and substantially opposed to each other, and is provided in a crosspiece shape so as to cover the edges of the translucent panel 3 from the lower surface side. A first abutting portion 2f with which one of the translucent panels 3 abuts from above is provided at the upper end.
And a second abutting portion 2g with which the other translucent panel 3 abuts from the upper side, and a translucent panel at a portion of the first abutting portion 2f and a portion of the second abutting portion 2g. For example, the first contact portion 2f projects approximately 1 mm above the second contact portion 2g so as to have a step D slightly larger than the plate thickness of the second contact portion 2g. Is formed so that the side of the contact portion 2f side is a space through which the translucent panel 3 can pass. In addition, the covering member 2c has a width dimension in a direction crossing the first contact portion 2f and the second contact portion 2g, which are upper ends thereof, that is, a direction parallel to the side frame portion 2a perpendicular to the longitudinal direction. Is the elongation dimension m of the translucent panel 3 due to temperature and humidity.
The thickness is formed substantially equal to the sum of the minimum allowance n and the thickness t of the covering member 2, and the width at the lower end is smaller than that at the upper end.

With such a configuration, in the lighting fixture according to the present embodiment, even if the translucent panel 3 is extended due to a change in temperature or humidity, the translucent panel that is continuously provided. Reference numeral 3 denotes an upper end of the covering member 2c, which is in contact with the first contact portion 2f and the second contact portion 2g each having a step D slightly larger than the plate thickness of the translucent panel 3 so as to be placed thereon. As a result, the light transmissive panel 3 does not hit because of a shift in the vertical direction, and it is possible to prevent the light transmissive panel 3 from floating. Moreover, since the translucent panel 3 which is continuously provided is shifted vertically in the portion of the covering member 2c,
The width dimension of the covering member 2c is only required to be the size obtained by adding the plate thickness t of the covering member 2c to the elongation m and the minimum margin n of one translucent panel 3, and the width of the covering member 2c can be reduced. You can improve the appearance. Furthermore, since the covering member 2c is formed so that the width at the lower end is smaller than the upper end, light incident on the side surface of the covering member 2c can be easily reflected on the lower surface side.

[0015]

As described above, according to the first aspect of the present invention, even if the translucent panel is stretched due to a change in temperature or humidity, the present invention is not limited to this. The light transmissive panel contacts the first contact portion and the second contact portion, each having a step slightly larger than the thickness of the light transmissive panel, at the upper end of the covering member, and displaces vertically. Therefore, the translucent panels do not hit each other, and it is possible to prevent the translucent panels from floating. In addition, since the translucent panels to be connected are shifted in the vertical direction at the covering part, the width of the covering part is set to the thickness of the covering part by the extension of one translucent panel and the minimum margin. It is only necessary to add dimensions, and the width of the covering tool can be reduced to improve the appearance.

According to the second aspect of the present invention, the first aspect is provided.
In addition to the effects of the described invention, since the covering device is formed so that the width at the lower end side is smaller than the upper end, light incident on the side surface of the covering device can be easily reflected on the lower surface side.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a lighting apparatus according to the present invention, in which (a) is an exploded perspective view and (b) is a side sectional view of a main part.

FIGS. 2A and 2B show a conventional lighting apparatus, wherein FIG. 2A is an exploded perspective view and FIG. 2B is a side sectional view of a main part.

3A and 3B show essential parts of the above, wherein FIG. 3A is a side cross-sectional view showing a state in which translucent panels are overlapped, FIG. 3B is a side cross-sectional view showing a state in which the translucent panels are contracted, and FIG. FIG. 4 is a side cross-sectional view of a state in which the light-transmitting panel is in contact with and lifted up.

[Explanation of symbols]

 2c Covering tool 2f First contact part 2g Second contact part 2 Frame 3 Translucent panel 4 Lamp D Step

Claims (2)

[Claims] 1. A lighting device comprising a plurality of light-transmitting panels provided on a front side of a lamp, the end portions of which are covered with a bar-shaped covering from a lower surface side, and the covering is connected. The portion of the first abutting portion abutting on one translucent panel and the portion of the second abutting portion abutting on the other translucent panel are slightly larger than the thickness of the translucent panel. A lighting device characterized by having a large step. 2. A width of the covering device in a direction crossing the first contact portion and the second contact portion decreases from an upper end side in contact with the translucent panel toward a lower end side. The lighting fixture according to claim 1, wherein the lighting fixture is formed as described above.