JPH10269834A - Ceiling direct mounting type lighting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To mount an equipment by the use of a power supply line even if the power supply line projected out of a ceiling surface is located at any place on the back side of an equipment main body. SOLUTION: In a Fuji type lighting equipment equipped with an equipment main body 1 which are provided with sockets 2 mounted lamps 3 at both its ends on its front side so as to allow its back side surface to be faced to a ceiling surface 9, and with a reflection plate 4 which covers the equipment main body 1, and lets its outer peripheral end parts come into contact with the ceiling surface 9 so as to let them be mounted to the equipment main body 1, the aforesaid equipment is provided with mounting piece parts 13 where insertion holes 13a for mounting bolts 8 projected out of the ceiling surface 9, are provided roughly at the center, and with paired leg parts 14 which are projected out of the mounting piece parts 13 in such a way as to be longer in length than the outer diameter of each power supply line. Fixtures 10 which covers only areas close to the mounting parts 12 of the equipment main body 1, are so designed that they can be interposed between the ceiling surface 9 and the equipment main body 1 even in a state wherein the mounting parts 13 abut to the ceiling surface 9, and in a state wherein the ends of the leg parts 14 abut to the ceiling surface 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling-mounted lighting fixture.

[0002]

2. Description of the Related Art FIGS. 9 and 10 show a conventional ceiling-mounted lighting fixture. This ceiling-mounted lighting fixture is a Fuji-type lighting fixture.
It comprises a lamp 3 and a reflector 4.

[0003] The appliance main body 1 has a main body portion 5 formed by bending a pair of long sides of a long rectangular plate substantially vertically to form a substantially U-shaped cross section, and a socket support piece 6a, and has a substantially V-shaped cross section. And four socket bases 6 formed in a letter shape. The socket base 6 has a base 6 opposite to the socket support piece 6a.
On the b side, a pair is provided at both ends in the longitudinal direction of the main body portion 5 and at the front side, which is an opening side having a substantially U-shape, and is attached so that the end of the socket support piece 6a faces outward. I have. The main body 5 is provided with a power supply hole 5a for inserting the power supply line 7 at substantially the center thereof, and a mounting hole 5b for inserting the mounting bolt 8 between the power supply hole 5a and both ends. ing. Also, the socket base 6 has a socket 2
Are mounted so as to be opposed to each other in the longitudinal direction of the apparatus main body 1, and a straight tube-type fluorescent lamp as a lamp 3 can be mounted in the socket 2, and the lamp 3 is mounted on the main body 5. Lighting device is attached.

The reflecting plate 4 has a size to cover the instrument body 1 and is formed such that a cross section perpendicular to the longitudinal direction of the instrument body 1 has a substantially V shape. Further, the reflecting plate 4 is provided near both ends in the longitudinal direction of the two substantially V-shaped slopes.
A hole large enough to project the socket 2 attached to the socket base 6 is provided.

[0005] In such a ceiling-directed lighting fixture, the fixture main body 1 is made to face the ceiling surface 9 on the back side, and the power line 7 drawn from the ceiling surface 9 is passed through the power supply hole 5 a of the fixture main body 1. After that, the mounting bolts 8 protruding from the ceiling surface 9 are passed through the mounting holes 5b of the instrument main body 1 and fastened with nuts to be mounted on the mounting bolts 8. Then, after the power supply line 7 is connected to the lighting device, the reflection plate 4 is moved from below the instrument body 1 to the instrument body 1.
Is attached to the appliance body 1 so as to cover the lamp, and the lamp 3 is attached to the socket 2 for construction.

[0006]

However, in the above-described conventional direct-mounted ceiling-mounted lighting fixture, a plurality of fixtures are often connected to the ceiling surface 9 in a straight line, and are thus installed. When replacing the power line with a new one, the power line 7 projecting downward from the ceiling surface 9 may be diverted at that position, or the power line 7 may If the power line 7 is pulled out from the ceiling body 9, the position where the power line 7 is pulled out from the ceiling surface 9 may not match the position of the power supply hole 5 a of the newly installed device. In this case, there was a problem that the power supply line 7 could not be newly installed and the power supply line 7 had to be drawn from the ceiling surface 9.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a power supply line projecting from a ceiling surface at any position on the back side of an appliance body. An object of the present invention is to provide a ceiling-mounted lighting fixture that can be constructed using the power supply line.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a lighting device having sockets on both front sides where lamps are mounted facing each other. Is mounted and attached to the appliance body with the rear side facing the ceiling surface and attached to the appliance body, covering the appliance body and making the outer peripheral end substantially contact the ceiling surface, and the socket protruding downward and the socket protruding downward. In a ceiling-directed lighting fixture comprising: a reflector that reflects light of the lamp downward mounted on the ceiling, between the fixture body and a ceiling surface, the height is at least larger than the outer diameter of the power line. It is characterized in that a mounting tool is provided which covers only the vicinity of the mounting portion of the device main body.

According to the second aspect of the present invention, the first aspect is provided.
In the ceiling-mounted lighting device according to the above, the mounting fixture is provided with a mounting piece portion provided with a through hole for a mounting bolt protruding from a ceiling surface substantially at the center, and is protruded substantially vertically from both ends of the mounting piece portion. And at least one pair of legs facing each other,
In any of the state in which the mounting piece portion is in contact with the ceiling surface and the state in which the tip of the leg is in contact with the ceiling surface, it can be interposed between the ceiling surface and the appliance body. It is characterized by.

According to a third aspect of the present invention, in the lighting apparatus of the first aspect, the lighting apparatus is a Fuji-type lighting apparatus. And

[0011]

1 to 7 show a first embodiment of a ceiling-mounted lighting fixture according to the present invention. The ceiling-mounted lighting fixture is a Fuji-type lighting fixture. , Appliance body 1, socket 2, lamp 3, reflector 4, and fixture 1
0.

The apparatus main body 1 has a main body portion 5 formed by bending a pair of long sides of a long rectangular plate substantially vertically to form a substantially U-shaped cross section, and a socket support piece 6a to form a substantially V-shaped cross section. And four socket bases 6 formed in a letter shape. The socket base 6 has a base 6 opposite to the socket support piece 6a.
On the b side, a pair is provided at both ends in the longitudinal direction on the front side, which is the substantially U-shaped opening side of the main body 5, and the socket support piece 6 a is attached such that the tip end faces outward. I have. A socket 2 is attached to the socket base 6 so as to oppose the fixture body 1 in the longitudinal direction, and a straight tube fluorescent lamp as the lamp 3 can be mounted on the socket 2. I have. A power supply hole 5a for inserting the power supply line 7 is provided substantially at the center of the main body 5, and a lighting device 11 of the lamp 3 is provided near the power supply hole 5a from the front side of the main body 5. Installed.
A mounting hole 5b for inserting the mounting bolt 8 is provided between the power supply hole 5a of the main body 5 and both ends, and a pair of mounting holes 5b of the main body 5 are provided on both long sides of the mounting hole 5b. The screw insertion hole 5c is provided, and the mounting portion 12 is constituted by the mounting hole 5b and the screw insertion hole 5c.

The reflecting plate 4 has a size to cover the instrument body 1 and is formed such that a cross section perpendicular to the longitudinal direction of the instrument body 1 has a substantially V shape. Further, the reflecting plate 4 is provided near both ends in the longitudinal direction of the two substantially V-shaped slopes.
A hole large enough to project the socket 2 attached to the socket base 6 is provided. When such a reflector 4 is attached to the instrument body 1 attached via the fixture 10, the outer peripheral end thereof is configured to substantially abut the ceiling surface 9 and protrudes from the reflector 4. The light of the lamp 3 mounted on the socket 2 is reflected downward on the front side.

The attachment 10 has a substantially rectangular attachment piece 13.
And a pair of leg portions 1 projecting from both ends, which are opposite sides in one direction, of the mounting piece portion 13 so as to be substantially perpendicular to each other.
4 is formed. The mounting piece 13 is provided with a through hole 13a for the mounting bolt 8 at substantially the center thereof.
The leg 14 has a protrusion height of at least the power supply line 7.
Is formed to be higher than the outer diameter dimension. Also, the legs 14
A mounting leg 14a that is bent substantially vertically and protrudes outward is provided on the tip side of the device, and a screw hole 14b is provided in the mounting leg 14a so as to face the screw insertion hole 5c of the instrument body 1. Have been. Such an attachment 10 has an insertion hole 13.
1 shows a state in which the mounting bolt 8 is inserted through the mounting member 13 so that the mounting piece 13 is in contact with the ceiling surface 9 and the mounting leg 1 which is the tip of the leg 14.
In either case where the ceiling 4 is in contact with the ceiling surface 9, the ceiling surface 9 covers only the vicinity of the mounting portion 12 of the appliance body 1.
And the instrument main body 1.

Such a ceiling-mounted lighting fixture is mounted on mounting bolts 8 projecting substantially vertically from the ceiling surface 9. At this time, the protruding length L of the mounting bolt 8 from the ceiling surface 9
Is smaller than or equal to the length of the leg 14 of the fixture 10, first, the fixture 10 is brought into contact with the mounting piece 13 against the ceiling surface 9.
Is attached to the mounting bolt 8 with the nut 15. Next, the appliance body 1 is placed such that its back side faces the ceiling surface 9 and the ceiling surface 9.
After passing the power line 7 drawn out from the power supply hole 5a of the instrument main body 1, a screw 16 is passed through the screw insertion hole 5c from the lower side of the instrument main body 1 and screwed into the screw hole 14b of the fixture 10.
The fixture body 1 is fixed to the ceiling surface 9 via the fixture 10.
Then, the power supply line 7 is connected to the lighting device 11, the reflector 4 is attached to the appliance main body 1 from below the appliance main body 1 so as to cover the appliance main body 1, the lamp 3 is attached to the socket 2, and the ceiling direct mounting type is installed. Construction of the lighting equipment is completed.

The protrusion length L of the mounting bolt 8 is
If it is longer than the zero leg 14, first, the attachment 10 is screwed by bringing the leg 14 into contact with the back side of the instrument body 1. Next, after the power line 7 drawn from the ceiling surface 9 is passed through the power supply hole 5a from the back side of the appliance body 1, the mounting piece 13 of the fixture 10 is brought into contact with the ceiling surface 9 so as to be inserted. The mounting bolt 8 is inserted through the hole 13a and the mounting hole 5b.
Attach with 5. Then, similarly to the above case, the power line 7
Are connected, the reflector 4 is attached, and the lamp 3 is attached to complete the construction.

As described above, in the ceiling-mounted lighting device according to the present embodiment, the height of the mounting fixture 10 that is higher than at least the outer diameter of the power supply line 7 and covers only the vicinity of the mounting portion 12 of the lighting device main body 1, Since the power line 7 is interposed between the ceiling surface 9 and the appliance body 1, the position where the power supply line 7 protrudes from the ceiling surface 9 does not match the position of the power supply hole 5 a of the appliance body 1, and the rear side of the appliance body 1 The power line 7 does not hit the appliance main body 1 at any other position opposite to the above, and the appliance can be constructed using the power line 7. Therefore, when replacing the existing equipment with a new one, the existing power supply line 7 can be used even if the position of the power supply hole 5a is changed, and it is not necessary to newly draw the power supply line 7 from the ceiling surface 9. Further, the power supply line 7 is not limited to the position facing the back side of the appliance main body 1, but may be the mounting portion 1 shown in FIG.
If the power line 7 is protruded from the area covered by the reflection plate 4 except for the vicinity of 2, the power line 7 can be drawn into the instrument body 1 without performing the work of newly drawing out the power line 7 from the ceiling surface 9.

The mounting fixture 10 is provided with a mounting piece 13 having a through hole 13a for the mounting bolt 8 protruding from the ceiling surface 9 provided substantially at the center, and protruding substantially vertically from both ends of the mounting piece 13. A pair of legs 14 facing each other, and a state in which the mounting piece 13 is in contact with the ceiling surface 9, and a state in which the mounting legs 14 a which are the tips of the legs 14 are in contact with the ceiling surface 9. In any state, the protrusion length L of the mounting bolt 8 is set so as to be interposed between the ceiling surface 9 and the appliance body 1.
If the length is less than or equal to the length of the
Is attached to the mounting bolt 8 via the mounting tool 10 attached to the mounting bolt 8 with the nut 15 with the upper side facing upward, and when the protrusion length L of the mounting bolt 8 is longer than the leg portion 14, the instrument body 1 is attached to the mounting tool. 10 and the fixture body 1 to the mounting bolt 8
From the front side of the device body 1 according to the protruding length L of the mounting bolt 8 from the ceiling surface 9.
Can be attached to the ceiling surface 9.

Since the luminaire is a Fuji-type luminaire, as shown in FIG. 6, when the luminaire is replaced, it is easy to increase the area of the inner side of the reflector 4 in contact with the ceiling surface 9. If the height of the reflector 4 is increased without changing the angle of the V-shaped cross section, the reflector 4 becomes wider in the direction perpendicular to the longitudinal direction of the instrument body 1, and the range in which the power supply line 7 can be drawn into the instrument. Can be wide. Further, even when the surrounding ceiling surface 9 is discolored compared to the ceiling surface 9 in the range hidden by the reflection plate 4, the inner area of the reflection plate 4 that is in contact with the ceiling surface 9 is increased. By doing so, the boundary between the discoloration of the ceiling surface 9 and the surrounding area can be hidden. Further, since the instrument body 1 is hidden inside the reflector 4, the instrument body 1 which has been used so far can be diverted at the time of instrument replacement, and in particular, the height of the reflector 4 from the ceiling surface 9 can be increased. If the height is increased by the height of the protrusion of the leg portion 14 of the fixture 10, the tool body 1 used before replacement can be easily diverted as it is, and the cost for tool replacement can be suppressed.

In the above-described embodiment, the fixture 10 is screwed to the instrument body 1 when the protrusion length L of the attachment bolt 8 is longer than the leg 14 of the fixture 10. However, the present invention is not limited to this, and may not be screwed. This eliminates the need for a screw, which is a member for fixing the fixture to the instrument body, thereby reducing the number of components and improving the workability of instrument construction.

FIG. 8 shows a second embodiment of a ceiling-mounted lighting fixture according to the present invention. The difference from the first embodiment is that the length L of the mounting bolt 8 is different from that of the mounting fixture. In the case where the length of the mounting tool 10 is longer than the ten legs 14, the mounting tool 10 is oriented such that one direction in which the pair of mounting feet 14a are provided is perpendicular to the longitudinal direction of the instrument main body 1. Ceiling surface 9
And a pair of mounting legs 14a are provided with screw holes 14b only when the protruding length L of the mounting bolts 8 is less than or equal to the length of the legs 14 of the mounting tool 10. The other configuration is substantially the same as that of the first embodiment.

In this way, substantially the same effects as in the first embodiment can be obtained, and when the projection length L of the mounting bolt 8 is longer than the leg 14 of the mounting tool 10, the mounting Screw 16 which is a member for fixing to the instrument body 1
And the number of parts can be reduced, and the workability at the time of tool construction can be improved.

In the above-described embodiment, the fixture 10 is attached to the attachment bolt 8 with one side of the pair of attachment legs 14a directed in a direction perpendicular to the longitudinal direction of the instrument body 1. However, the present invention is not limited to this, and the mounting tool may be formed to have a size that is inscribed in a circle hidden by the reflector around the mounting bolt in plan view. With this configuration, the mounting direction of the fixture to the appliance body does not have to be adjusted to a specific direction, such as the longitudinal direction of the appliance body, so that the workability of appliance construction can be further improved.

[0024]

As described above, according to the first aspect of the present invention, there is provided a mounting device having a height higher than at least the outer diameter of the power supply line and covering only the vicinity of the mounting portion of the appliance body. Since the power line was interposed between the ceiling surface and the fixture body with the rear side facing the ceiling surface, the power line protruded from the ceiling surface at any position facing the rear side of the fixture body. Also, the power line does not hit the appliance body, and the appliance can be constructed using the power line. For this reason, when replacing an existing appliance with a new one, the existing power line can be used, and it is not necessary to newly draw the power line from the ceiling surface. In addition, the power line is not limited to the position facing the back side of the appliance main body, but if it protrudes from the area covered by the reflector except for the vicinity of the mounting part, it does not need to be newly drawn out from the ceiling surface It can be retracted into the instrument body.

According to the second aspect of the present invention, there is provided the first aspect.
In addition to the effects of the described invention, the mounting fixture is provided with a mounting piece portion provided with a mounting hole for a mounting bolt projecting from the ceiling surface substantially at the center, and protruded substantially perpendicularly from both ends of the mounting piece portion to each other. It has a pair of opposing legs, and in both the state where the mounting piece abuts on the ceiling surface and the state where the tip of the leg abuts on the ceiling surface, the ceiling surface and the appliance body When the protrusion length of the mounting bolt is less than or equal to the length of the leg, the instrument body is attached to the mounting bolt via a mounting tool attached to the mounting bolt with a nut. If the bolt length is longer than the leg,
The fixture body can be attached to the mounting bolt together with the fixture from the front side of the fixture body with a nut, and the fixture body can be attached to the ceiling surface according to the length of the projection of the attachment bolt from the ceiling surface.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, the direct-mounted ceiling lighting apparatus is a Fuji-type lighting apparatus. Can easily widen the area of the inside of the reflector that comes into contact with the ceiling surface, and can widen the range in which the power supply line can be drawn into the device. Further, since the instrument body is hidden inside the reflection plate, the instrument body which has been used up to that time can be easily diverted.

[Brief description of the drawings]

FIGS. 1A and 1B show a first embodiment of a direct-mounted ceiling lighting device of the present invention, wherein FIG. 1A is an exploded perspective view of a main part, and FIG. 1B is a sectional side view.

FIG. 2 is a side view showing a ceiling surface on which the direct-mounted ceiling lighting device is attached.

FIGS. 3A and 3B show an essential part around the mounting portion, in which FIG. 3A is an exploded perspective view and FIG. 3B is a cross-sectional view showing a mounting state on a ceiling surface.

FIG. 4 is a cross-sectional view showing a main part of the above and showing a different mounting state.

FIG. 5 is a schematic diagram showing the reflector plate and the ceiling surface of a portion covered by the reflector plate.

6A and 6B are cross-sectional views of a main part of the above-described device and a main part of a conventional device, wherein FIG. 6A is a cross-sectional view of a main portion of the conventional device, and FIG. FIG.

FIGS. 7A and 7B show an essential part in the vicinity of a mounting portion in which the mounting tool is turned upside down, wherein FIG. 7A is an exploded perspective view and FIG. 7B is a cross-sectional view showing a mounting state to a ceiling surface.

FIG. 8 is a perspective view showing a main part of a second embodiment of the directly-mounted ceiling lighting device of the present invention.

FIG. 9 is a perspective view showing a conventional ceiling-mounted lighting fixture and a ceiling surface to which the fixture is attached.

FIG. 10 shows a conventional ceiling-mounted lighting fixture,
(a) is a sectional view of a main part, and (b) is a plan view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument main body 2 Socket 3 Lamp 4 Reflector 7 Power supply line 8 Mounting bolt 9 Ceiling surface 10 Mounting tool 11 Lighting device 12 Mounting part 13 Mounting piece part 13a Insertion hole 14 Leg part

Claims (3)

[Claims] 1. A fixture main body which is provided with sockets at front ends thereof to which lamps are mounted facing each other, to which a lighting device is attached, and which is attached to a ceiling surface with its rear side facing, and an outer peripheral end which covers the fixture main body. A ceiling-mounted lighting fixture comprising: a reflector that is attached to the fixture body with the portion substantially abutting against a ceiling surface, and the socket projects downward and reflects light of the lamp attached to the socket downward. , Wherein a fixture having a height higher than at least the outer diameter of the power supply line and covering only the vicinity of a mounting portion of the instrument body is interposed between the instrument body and a ceiling surface. Type lighting equipment. 2. The mounting device, comprising: a mounting piece having a mounting bolt insertion hole protruding from a ceiling surface provided substantially at a center; and a mounting piece protruding substantially vertically from both ends of the mounting piece and facing each other. A pair of legs, the state in which the mounting piece is in contact with the ceiling surface, and the state in which the legs are in contact with the ceiling surface in both cases. The ceiling-mounted lighting fixture according to claim 1, wherein the lighting fixture can be interposed therebetween. 3. The lighting device according to claim 1, wherein the lighting device directly mounted on the ceiling is a Fuji lighting device.
The ceiling-mounted lighting fixture described.