JPH0664320U - lighting equipment - Google Patents

Abstract

(57) [Summary] [Object] To provide a lighting fixture in which the embedded depth of the fixture main body 10 can be reduced and the fixture main body is not deformed during construction. [Structure] Openings 12 and 13 are formed on a top surface 11 of a device body 10 that is opened downward, and mounting brackets 16 and 17 are inserted into the openings 12 and 13. The mounting members 16 and 17 have inclined rising pieces 18 and 19, and their tips are in contact with the corners 20 and 21 of the top surface 11 of the instrument body 10. Mounting bracket 16,
Fasteners are fastened to 17 to fix the instrument body 10 to the ceiling.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a ceiling-embedded luminaire.

[0002]

[Prior art]

 Conventional lighting fixtures are shown in FIGS. 4 and 5. In the figure, reference numeral 50 denotes a device body embedded in a ceiling 51, and a ballast 52, a socket 53, etc. are built in the device body 50. Reference numeral 54 is a reinforcing plate provided to prevent the device body 50 from being deformed when the device body 50 is hung by a hanging bolt (not shown) or the like.

FIG. 6 shows another conventional example. In the figure, 55 is a flat plate-like reinforcing plate provided along the top surface of the instrument body 50.

[0004]

[Problems to be solved by the device]

 In the case of the example of FIGS. 4 and 5, since the reinforcing plate 54 is attached so as to project to the inner surface of the instrument body 50, the height dimension of the instrument body 50 becomes large, and the embedding depth H ′ of the ceiling also becomes large accordingly. There was a problem that a fairly wide space was required in the ceiling to install the lighting equipment. Moreover, the reinforcing plate 54 becomes an obstacle, and it is difficult to perform wiring processing and layout of components.

Further, in the case of the example of FIG. 6, the height dimension of the instrument main body 50 may be small, but there is a drawback that the strength of the reinforcing plate 55 is weak. Therefore, it is necessary to consider beforehand the deformation when the instrument body 50 is hung by the hanging bolt. That is, before the construction, as shown in FIG. 7, the width w ′ of the central portion of the instrument body 50 is made larger than the regular width w, and after the construction, the regular width w becomes as shown in FIG. Leave.

However, in the case of a soft ceiling material, there is a problem that the side wall of the appliance body 50 does not approach a straight line even if it is installed. Therefore, an object of the present invention is to provide a lighting fixture in which the embedded depth of the fixture main body can be reduced and the fixture main body is not deformed during processing.

[0007]

[Means for Solving the Problems]

 The luminaire of the present invention has an opening on the top surface and a downward opening, a lighting device and a reflecting plate built into the lighting body, and a tip inserted on both sides of the lower end inserted into the opening. It is provided with a mounting tool having a pair of inclined rising pieces that come into contact with the top surface corner of the instrument body, and a hanging tool fastened to the mounting bracket.

[0008]

[Action]

 According to the configuration of this invention, since the mounting bracket is inserted into the opening on the top surface of the instrument body, the mounting bracket projects to the outer surface of the instrument body, and the height dimension of the instrument body can be reduced. In addition, the tip of the inclined rising piece of the mounting bracket is in contact with the top surface corner of the main body of the fixture, so that the inclined rising piece will be horizontal even if the tightening of the sling fastened to the mounting bracket is increased. Absorbs the force applied to the instrument body.

[0009]

【Example】

 An embodiment of the present invention will be described with reference to FIGS. In the figure, reference numeral 10 denotes a box-shaped instrument main body that opens downward, and square openings 12 and 13 are formed at two locations on both sides of the top surface 11. Reference numeral 14 is a ballast contained in the instrument body 10, and 15 is a socket.

Further, reference numerals 16 and 17 denote fittings inserted into the openings 12 and 13 from below. The mounting brackets 16 and 17 are formed in a lip groove shape, and both lip portions are formed in a slanting upward direction to form inclined rising pieces 18 and 19. The tip ends of the inclined rising pieces 18, 19 are in contact with both corners 20, 21 of the top surface 11 of the instrument body 10, respectively. The angle θ formed by the inclined upper pieces 18 and 19 with the horizontal plane is an acute angle, and is preferably in the range of approximately 5 to 25 degrees.

Further, a hanging tool insertion hole 22 is formed in each of the mounting brackets 16 and 17, and a hanging bolt 23, which is a lifting tool, is fastened to the hanging tool insertion hole 22 with a fitting nut to fix the tool. The main body 10 is pulled up and fixed to the ceiling surface. As shown in FIG. 3, the mounting members 16 and 17 have a height corresponding to the pulling margin h of the suspension bolt 23. According to the luminaire thus configured, the fittings 16 and 17 are inserted into the openings 12 and 13 of the luminaire body 10, and the fittings 16 and 17 correspond to the lead-in allowance h of the hanging bolt 23. Since it has a height, the hanging bolt 23 does not protrude into the fixture body 10, and the height dimension H of the fixture body 10 is the lowest height at which the lighting device and the reflector can be stored. Therefore, the embedded height when embedded in the ceiling 24 can be reduced.

When the mounting brackets 16 and 17 are pulled up by the hanging bolts 23, the instrument body 10 is first pulled up at the tips of the inclined rising pieces 18 and 19 and fixed to the ceiling surface. When tightening with the hanging bolt 23, the inclined rising pieces 18 and 19 begin to deform so that the angle θ approaches 0 degrees, and absorb the force applied to the instrument body 10. The angle θ of the inclined rising pieces 18, 19 becomes 0 degree, and the tool body 10 cannot start to be deformed unless further pulled up. Therefore, even if the width dimension of the instrument body 10 is not formed in advance so that the central portion is wide, there is no possibility that the central portion will be narrowed during construction. Therefore, even when it is mounted on a soft ceiling material or the like, it is not necessary to worry about the warp of the instrument body 10.

Further, if the mounting brackets 16 and 17 are housed in the instrument body 10 during packaging, the volume can be reduced. Furthermore, the electric wire can be easily drawn in by utilizing the openings 12 and 13. Although the mounting brackets 16 and 17 in the above-described embodiment have lip groove shapes, the mounting brackets 16 and 17 are not particularly limited as long as they have a pair of inclined rising pieces on both sides of the lower end.

[0014]

[Effect of device]

 According to the configuration of this invention, since the mounting metal fitting is inserted and provided in the opening on the top surface of the equipment main body, the mounting metal fitting protrudes to the outer surface of the equipment main body, and the height dimension of the equipment main body can be reduced and The embedding depth can be reduced. Also, the tip of the inclined rising piece of the mounting bracket is in contact with the top surface corner of the main body of the fixture, so that even if the sling that is fastened to the mounting bracket is tightened more, the inclined rising piece becomes horizontal. Absorbs the force applied to the tool body and does not deform the tool body during construction.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a partial perspective view of an embodiment of the present invention.

FIG. 3 is a sectional view of an embodiment of the present invention.

FIG. 4 is a perspective view of a conventional example.

FIG. 5 is a cross-sectional view of a conventional example.

FIG. 6 is a perspective view of another conventional example.

FIG. 7 is a front view of another conventional instrument main body before construction.

FIG. 8 is a front view of another conventional instrument body after construction.

[Explanation of symbols]

 10 Instrument main body 11 Top surface 12,13 Opening part 16,17 Mounting bracket 18,19 Inclined rising piece 20,21 Corner part 23 Hanging bolt

Claims (1)

[Scope of utility model registration request] 1. A device main body having an opening on the top surface and opened downward, a lighting device and a reflector plate built in the device main body, and a tip inserted into the opening and having tips on both sides of the lower end. A lighting fixture comprising: a mounting bracket having a pair of inclined rising pieces that come into contact with a top surface corner portion of a main body; and a suspender fastened to the mounting bracket.