JPH1064325A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luminaire capable of correctly fixing to a raceway 13 and stably fixing to the ceiling. SOLUTION: A luminaire has an almost looking down groove-shaped raceway 13 having a pair of inner flanges 14 formed by folding inward at the lower end of the both flanges, an almost looking down groove-shaped luminaire main body 10 having a bolt fixing hole 11 in the center of a web 10a and a pair of fixing contact projection 12 in the web 10a, an elastic positioning tool 30 interposed between the raceway 13 and the luminaire main body 10, having the outer dimension by which the outer circumferential surface comes in contact with the surface of the both inner flanges 14, and a bolt insertion hole 31 in the center, and a bolt 20 having a locking piece 21 locking to the back surface of the both inner flanges 14 at the upper end, inserted into the bolt insertion hole 31 and the bolt fixing hole 11, fastening a nut 23 from the lower end, interposing the positioning tool 30 in an elastic deformation state, and hanging the luminaire main body 10 on the raceway 13.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture installed in a warehouse or an office.

[0002]

2. Description of the Related Art Conventionally, lighting equipment installed in a warehouse or the like is directly attached to a ceiling or suspended from a raceway or the like provided on the ceiling. For example, as shown in FIG. 11, a bolt mounting hole 11 is formed at the center of a web 10a of a substantially downward channel steel instrument body 10 having a built-in socket, a lamp (not shown) and the like, and a surface of the web 10a is formed. A pair of mounting contact protrusions 12 are formed at positions substantially symmetrical with respect to the central axis. A plurality of the bolt mounting holes 11 and the mounting contact protrusions 12 are provided at predetermined intervals in the longitudinal direction of the instrument body 10 as necessary. In addition, when the fixture main body 10 is directly attached to the ceiling, even if the head (not shown) of the screw fixing the socket or the like protrudes from the upper surface of the fixture main body 10 when the fixture main body 10 is directly attached to the ceiling, It is provided for stable installation, and is formed higher than the screw head.

[0003] Reference numeral 13 denotes a raceway made of a substantially downward channel steel serving as a mounting channel, and the lower ends of both flanges 15 are folded inward to form an inner flange 14. Then, the tool main body 10 is hung on the raceway 13 via the bolt 20. The bolt 20 is connected to the bolt mounting hole 1 of the instrument body 10.
1 is fastened with a nut 23 through a washer 22 and has a locking piece 21 at the upper end which is inserted from the open end of the raceway 13 and locked to the back surface of the inner flange 14. As a result, the mounting contact projection 12 of the instrument body 10 is
The device body 1 is in contact with the lower end of the third flange 15.
0 is suspended by bolts 20. In addition, the instrument body 1
0 denotes a plurality of bolt mounting holes 11 formed in the web 10a.
And is suspended by a plurality of bolts 20.

[0004]

However, FIG.
When the diameter of the bolt mounting hole 11 of the instrument body 10 is larger than the diameter of the bolt 20, as shown in FIG.
Of the instrument body 10 and the raceway 13
There is a problem that the centers of the devices do not coincide with each other, and the device main body 10 is biased or inclined.

[0005] Therefore, as shown in FIG.
On the surface of the web 70a, a mounting contact protrusion 72 extending in the lateral direction of the instrument main body 70 is formed.
There is a lighting fixture abutted on the surface of 14. This way,
Even when the diameter of the bolt mounting hole 71 of the web 70 a of the instrument body 70 is larger than the diameter of the bolt 20, the attachment abutment projections 72 contact the inner flanges 14 and serve as stoppers, and the center of the instrument body 70 and the center of the raceway 13 Matches.

[0006] However, as shown in FIG.
When 0 is directly attached to the ceiling surface 73, a gap 74 is formed between both sides of the web 70a of the appliance body 70 and the ceiling surface 73, and the fixing of the appliance body 70 becomes unstable, and the device body 70 is weak against vibration. There was a problem of becoming. An object of the present invention is to provide a lighting fixture that can be accurately mounted on a mounting channel and can be stably mounted on a ceiling surface.

[0007]

According to a first aspect of the present invention, there is provided a luminaire having a substantially downward groove-shaped mounting channel having a pair of inner flanges bent inward at lower ends of both flanges, and a lower portion of the mounting channel. A substantially downward groove-shaped instrument body having a bolt mounting hole in the center of the web, a pair of mounting abutting projections at positions substantially symmetrical with respect to a central axis of the surface of the web, and a mounting channel. A positioning tool that is interposed between the main body of the instrument and has an outer dimension whose outer peripheral surface is in contact with the surface of both inner flanges, and a positioning tool made of an elastic body having a bolt insertion hole at the center, and a back surface of both inner flanges at an upper end. Bolt that has a locking piece that locks into a bolt insertion hole and a bolt mounting hole, fastens a nut from the lower end, clamps the positioning tool in an elastically deformed state, and suspends the instrument body in the mounting channel It is provided with.

According to the luminaire of the first aspect, the outer peripheral surface of the positioning tool is in contact with the surfaces of the inner flanges, and the diameter of the bolt mounting hole of the device body and the diameter of the bolt insertion hole of the positioning tool are the diameter of the bolt. Even larger, the instrument body can be accurately mounted on the mounting channel. In addition, when mounting on the ceiling surface, the instrument body is directly attached to the ceiling surface without the intervention of the positioning tool, so a pair of mounting members formed at positions substantially symmetric with respect to the center axis of the surface of the web of the instrument body. The contact projection comes into contact with the ceiling surface, and can be stably mounted on the ceiling surface.

[0009] According to a second aspect of the present invention, there is provided the lighting apparatus according to the first aspect, wherein an inducing taper is formed on the mounting channel side of the bolt insertion hole of the positioning tool.
According to the illuminating device of the second aspect, in addition to the operation of the first aspect, the positioning tool has a taper leading into the mounting channel side of the bolt insertion hole, so that the bolt can be smoothly inserted into the bolt insertion hole.

According to a third aspect of the present invention, in the lighting apparatus according to the first or second aspect, a pair of rising portions abutting against the surfaces of both flanges of the mounting channel are formed in the opposed portion on the outer periphery of the positioning tool. It is assumed that. According to the lighting device of the third aspect, in addition to the operation of the first or second aspect, the pair of rising portions abutting against the surfaces of both flanges of the mounting channel are formed at the opposed portion on the outer periphery of the positioning tool. The mounting channel can be firmly mounted by sandwiching the mounting channel between the pair of rising portions.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION

First Embodiment A first embodiment of the present invention will be described with reference to FIGS. As shown in the conventional example of FIGS. 9 and 10, the instrument body 10 of this embodiment is made of a substantially downward channel steel having a socket, a lamp (not shown) and the like built therein, and a bolt is provided at the center of the web 10a. A mounting hole 11 is formed, and a pair of mounting contact projections 12 are formed on the surface of the web 10a at positions substantially symmetric with respect to the central axis.
The bolt mounting hole 11 and the mounting contact protrusion 12 are
If necessary, a plurality are provided at predetermined intervals in the longitudinal direction of the instrument body 10. Reference numeral 13 denotes a raceway made of a substantially downward channel steel serving as an attachment channel, and has a pair of inner flanges 14 turned inward at lower ends of both flanges 15.

When mounting the tool body 10 to the raceway 13, a positioning tool 30 is mounted on the bolt mounting hole 11 of the tool body 10. The positioning tool 30 is made of an elastic body such as rubber, and is formed in a disk shape having a bolt insertion hole 31 at the center as shown in FIGS. The positioning tool 30 has a middle part 33 having a height H slightly higher than the mounting contact protruding part 12, and a tapered surface 32 a having a smaller diameter than the middle part 33 and having an outer periphery formed by the surfaces of the inner flanges 14, 14 of the raceway 13. , And a lower layer 34 having a diameter slightly larger than the bolt mounting hole 11 of the instrument body 10. A circumferential groove 35 is formed on the outer periphery between the middle layer 33 and the lower layer 34. As a result, the lower layer portion 34 of the positioning tool 30 is
1 and the inner periphery of the bolt mounting hole 11 is positioned by the positioning tool 3.
0 is fitted into the peripheral groove 35.

Then, the tool main body 10 is hung on the raceway 13 by bolts 20. The bolt 20 is inserted into the bolt insertion hole 31 of the positioning tool 30, the nut 23 is fastened through the washer 22, and the upper end is inserted from the open end of the raceway 13 and is engaged with the back surface of the inner flange 14. It has a stop piece 21. Then, after moving the instrument body 10 to a predetermined position along the raceway 13, the nut 23 is tightened, and the positioning tool 30 is fixed in a state of being elastically deformed and sandwiched between the instrument body 10 and the raceway 13. . In addition,
The device main body 10 may be suspended by a plurality of bolts 20 using a plurality of bolt mounting holes 11 formed in the web 10a.

According to the lighting fixture configured as described above,
The outer peripheral taper surface 32a of the positioning tool 30 is
Abuts on the tapered surface of the device, and the tapered surfaces are easily guided to easily position the instrument main body 10,
Bolt mounting hole 11 of instrument body 10 and positioning tool 3
Even if the diameter of the bolt insertion hole 31 is larger than the diameter of the bolt 20, the center of the instrument body 10 and the center of the raceway 13 match, and the instrument body 10
Can be mounted on

Further, when the apparatus main body 10 is mounted on the ceiling surface, the apparatus main body 10 is mounted directly on the ceiling surface without the intervention of the positioning tool 30, so that the position of the apparatus main body 10 on the surface of the web 10a is substantially symmetrical with respect to the central axis. The mounting contact projection 12 formed on the ceiling comes into contact with the ceiling surface, and can be stably mounted.
Strong against vibration. In addition, since the positioning tool 30 made of an elastic body is interposed between the raceway 13 and the apparatus main body 10, the vibration generated by the electric components of the lighting apparatus or the like hits the raceway 13 and the apparatus main body 10, and generates a vibration sound. Can be prevented.

Further, the conventional instrument body 10 can be used and can be implemented at low cost. In addition, since the positioning tool 30 is attached to the bolt mounting hole 11 of the instrument body 10, it can be easily attached to other kinds of instrument bodies, and the versatility is high. Further, since the inner peripheral edge of the bolt mounting hole 11 of the instrument body 10 is fitted into the peripheral groove 35 on the outer periphery of the positioning tool 30, the positioning tool 30 is fixed in a retaining state, and the positioning tool 30 is displaced during use. Not even.

Further, when the power supply line wired inside the raceway 13 is drawn into the instrument body 10 through the bolt insertion hole 31, the positioning tool 30 can also be used as a bushing for protecting the power supply line. Note that the positioning tool 30 is not limited to a disk shape, and for example, as shown in FIG. 4, the upper layer portion 32 'and the middle layer portion 33' may be rectangular, and only the lower layer portion may be disk shaped.

Second Embodiment A second embodiment of the present invention will be described with reference to FIGS. The same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted. The positioning tool 40 of this embodiment is formed in a disk shape having a bolt insertion hole 41 at the center, and has a middle portion 43 slightly higher than the mounting contact protrusion 12, a smaller diameter than the middle portion 43, and an outer peripheral portion. The tapered surface 42 a is composed of an upper layer portion 42 in contact with the surfaces of the inner flanges 14, 14 of the raceway 13, and a lower layer portion 44 slightly larger than the bolt mounting hole 11 of the instrument body 10.
The bolt insertion hole 41 is formed with an inducing taper 46 whose diameter increases toward the upper layer portion 42.

The same effects as those of the first embodiment can be obtained in the lighting fixture thus configured. Further, the bolt insertion hole 41 of the positioning tool 40 is
Since the guiding taper 46 has an enlarged diameter on the side, the bolt 20 can be smoothly inserted into the bolt insertion hole 41, and the mounting workability of the instrument body 10 is excellent. In addition, bolt insertion hole 4
Since the bolt 20 can be held by the small-diameter portion on the side of the instrument body 10, it is easy to hold the bolt 20 at a slightly higher position when inserting the locking piece 21 from the open end of the raceway 13. Can be plugged in.

The positioning tool 40 is not limited to a disk shape. For example, similarly to the example of FIG. 4, the upper layer portion 42 and the middle layer portion 43 may be rectangular and only the lower layer portion 44 may have a disk shape. . Third Embodiment A third embodiment of the present invention will be described with reference to FIGS. The same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted.

FIG. 8 shows a positioning tool 50 according to this embodiment.
As shown in FIG. 9 and FIG. 9, a rectangular middle layer 53 having a bolt insertion hole 51 at the center and slightly higher than the mounting contact protrusion 12, and a tapered surface 52 smaller than the middle layer 53 and having an outer periphery are provided.
The upper part 52 a is in contact with the surfaces of the inner flanges 14, 14 of the raceway 13, and the lower part 54 has a disk shape slightly larger in diameter than the bolt mounting hole 11 of the instrument body 10. The bolt insertion hole 51 is formed with an inducing taper 56 whose diameter is increased toward the upper layer portion 52. Further, the raceway 1
A pair of rising portions 57 that are in contact with the outer surface of the third flange 15 are formed.

The same effects as those of the second embodiment can be obtained in the lighting fixture configured as described above. Further, since a pair of rising portions 57 which are in contact with the outer surfaces of both the flanges 15 of the raceway 13 are formed in opposing portions on the outer periphery of the positioning tool 50, the raceway 13 is sandwiched between the pair of rising portions 57 and firmly attached. And the displacement of the instrument body 10 can be prevented. The guiding taper 56 is not formed in the bolt insertion hole 51 of the positioning tool 50, and may be a cylindrical insertion hole like the bolt insertion hole 31 of the positioning tool 30 in FIG.

As the mounting channel, a duct 60 as shown in FIG. 10 may be used instead of the raceway 13. The duct 60 is made of a metal having a downward groove shape, and is formed by folding the lower ends of both flanges 62 inwardly into a U-shape to form an inner flange 61, as shown in the first to third embodiments. The device body 10 is suspended in the same manner as in the example.

[0024]

According to the luminaire of the first aspect, the outer peripheral surface of the positioning tool is in contact with the surfaces of both inner flanges, and the diameter of the bolt mounting hole of the main body and the diameter of the bolt insertion hole of the positioning tool are smaller than the diameter of the bolt. Even if the diameter is larger than the diameter, the instrument body can be accurately mounted on the mounting channel. In addition, when mounting on the ceiling surface, the instrument body is directly attached to the ceiling surface without the intervention of the positioning tool, so a pair of mounting members formed at positions substantially symmetric with respect to the center axis of the surface of the web of the instrument body. The effect is obtained that the contact projection comes into contact with the ceiling surface and can be stably mounted on the ceiling surface.

According to the luminaire of the second aspect, in addition to the effect of the first aspect, since the positioning tool has a taper for guiding the bolt insertion hole toward the mounting channel, the bolt is smoothly inserted into the bolt insertion hole. Thus, an effect that the workability of mounting the instrument body is excellent can be obtained. According to the lighting device of the third aspect, in addition to the effect of the first or second aspect, the pair of rising portions abutting on the surfaces of both flanges of the mounting channel are formed at the opposed portion on the outer periphery of the positioning tool. The mounting channel can be firmly mounted by sandwiching the mounting channel between the pair of rising portions, and an effect that positional deviation of the instrument body can be prevented can be obtained.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a lighting fixture according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a positioning tool according to the first embodiment of the present invention.

FIG. 3 is a partially broken front view of the positioning tool according to the first embodiment of the present invention.

FIG. 4 is a perspective view of a positioning tool according to the first embodiment of the present invention.

FIG. 5 is a partially cutaway front view of a lighting fixture according to a second embodiment of the present invention.

FIG. 6 is a partially broken front view of a positioning tool according to a second embodiment of the present invention.

FIG. 7 is a partially cutaway front view of a lighting fixture according to a third embodiment of the present invention.

FIG. 8 is a partially cutaway front view of a positioning tool according to a third embodiment of the present invention.

FIG. 9 is a perspective view of a positioning tool according to a third embodiment of the present invention.

FIG. 10 is a front view of a duct.

FIG. 11 is a partially cutaway front view of a conventional lighting fixture.

FIG. 12 is a partially cutaway front view showing a problem of the conventional lighting fixture.

FIG. 13 is a partially cutaway front view of another conventional example of a lighting fixture.

FIG. 14 is a front view of another conventional lighting fixture in a state of being directly attached to a ceiling.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Instrument main body 10a Web 11 Bolt mounting hole 12 Projection part for mounting contact 13 Raceway (mounting channel) 14 Inner flange 15 Flange 20 Bolt 21 Locking piece 23 Nut 30,40,50 Positioning tool 31,41,51 Bolt insertion Holes 46, 56 Inviting taper 57 Rise

Claims (3)

[Claims] 1. A substantially downward groove-shaped mounting channel having a pair of inner flanges turned inward at the lower ends of both flanges, a bolt mounting hole disposed below the mounting channel, and a bolt mounting hole in the center of the web. A substantially downward groove-shaped appliance body having a pair of attachment abutments at positions substantially symmetrical with respect to the central axis of the surface of the web; and an outer periphery interposed between the attachment channel and the appliance body. A positioning tool made of an elastic body having an outer dimension whose surface comes into contact with the surfaces of the inner flanges and having a bolt insertion hole at the center, and a locking piece at the upper end for locking to the back surfaces of the inner flanges. And a bolt that is inserted through the bolt insertion hole and the bolt attachment hole, fastens a nut from the lower end, clamps the positioning tool in an elastically deformed state, and suspends the instrument body in the attachment channel. lighting equipment. 2. The luminaire according to claim 1, wherein an inducing taper is formed on the mounting channel side of the bolt insertion hole of the positioning tool. 3. The luminaire according to claim 1, wherein a pair of rising portions abutting against the surfaces of both flanges of the mounting channel are formed at opposed portions on the outer periphery of the positioning tool.