JPH06267308A - Built-in luminaire - Google Patents

Abstract

PURPOSE:To provide a built-in luminaire capable of being easily fitted to a ceiling. CONSTITUTION:A built-in luminaire is provided with a luminaire main body 5 buried and arranged on a ceiling surface and a lamp unit 15 having at least single-base fluorescent lamps 7 and lamp sockets 9 arranged in the luminaire main body 5, and the lamp unit 15 is pivotally supported on the upper face of the luminaire main body 5 rotatably in the rotating range from the horizontal state to the vertical state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device buried on the back side of a ceiling, and more particularly to a built-in lighting device using a single base fluorescent lamp as a light source.

[0002]

2. Description of the Related Art A lighting fixture of this type includes a box-shaped fixture main body which is arranged on the back side of the ceiling in a state of opening downward.
A single base lamp arranged in the main body of the fixture, a lamp socket supporting the single base lamp at a position protruding from the side surface of the main body of the fixture, a reflector for reflecting the light of the lamp, and a ballast for lighting the lamp. Prepared (Actual development Sho 63-
No. 192608, Japanese Utility Model Laid-Open No. 2-70311).

When mounting the embedded lighting fixture on the ceiling, the fixture main body having a size substantially equal to the opening is fitted and aligned in the opening formed in the ceiling, and the interior frame or beam is used. Connect the top plate of the tool body to the end of the hanging anchor bolt and hang the tool body on the anchor bolt. Then, after connecting the power supply wire to the terminal block, a reflector and a lamp are attached to the instrument body, respectively, and the opening of the instrument body is covered with a louver.

[0004]

However, in the above luminaire, since the lamp socket of the single-base lamp is arranged at the position projecting from the side surface of the luminaire, the luminaire is fitted into the ceiling opening. Since the socket portion comes into contact with the ceiling opening edge, mounting is troublesome. Further, since the reflector and the lamp are respectively assembled to the fixture body after the fixture body is attached to the anchor bolt, it is troublesome to construct and install the lighting fixture.

Further, when changing the wattage of the existing lamp, the lamp and the reflector are removed, the fixture body is removed from the anchor bolt, the ballast is replaced, and then the fixture body is hung again on the anchor bolt. After lowering, attach the reflector and lamp to the main body of the fixture. For this reason, when changing the type of lamp, especially when changing to another model, the diameter of the embedded hole in the ceiling may change, and the ceiling board may be replaced or the suspension mechanism (anchor bolt) may be changed. Therefore, large-scale construction was required.

[0006] Therefore, an object of the present invention is to provide an embedded lighting fixture which can be easily mounted on the ceiling of the embedded lighting fixture.

[0007]

In order to achieve the above object, according to the invention of claim 1, a fixture main body embedded in a ceiling surface, and at least a single-ended fluorescent lamp arranged in the fixture main body. And a lamp unit having a lamp socket, wherein the lamp unit is rotatably supported on the upper surface of the appliance body in a range of rotation from a horizontal state to a vertical state.

The invention according to claim 2 is characterized in that, in the invention according to claim 1, the lamp unit is rotatably supported by the instrument body.

According to a third aspect of the present invention, in the first or second aspect of the invention, the lamp unit is arranged so that the lamp socket is located outside the fixture body when held in a horizontal state. It is characterized by being done.

The invention according to claim 4 is characterized in that, in the invention according to any one of claims 1 to 3, a holding means for holding the lamp unit in a horizontal state is provided in the fixture body.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, a reflecting plate and a lighting device are provided in the lamp unit, and the single-ended fluorescent lamp faces the reflecting plate. A lamp is arranged, the lighting device is fixed to an upper part of the reflector, and the lighting device is rotatably supported by a fixture body on an upper surface of the lighting device via a shaft supporting portion.

According to a sixth aspect of the present invention, in the first aspect of the present invention, the shaft support portion is composed of a pair of plate members and a pin that connects the plate members so as to be swingable and detachable. It is characterized by that.

[0013]

According to the first aspect of the present invention, when the lighting fixture is embedded in the ceiling, the lamp unit is attached to the fixture body so that the lamp is in a vertical state when the lamp unit is assembled to the fixture body. And hang it on the anchor bolt in the ceiling. Then, the lamp unit is rotated to a horizontal state in which the lamp is supported by the lamp socket outside the fixture body. This allows the lighting fixture to be mounted on the ceiling.

In this case, since the lamp unit can be rotated with respect to the main body of the fixture so that the lamp is in a vertical state, if the lamp unit is rotated when suspending the main body of the fixture on the anchor bolt, the installation work is hindered. It is possible to perform the mounting work of the main body of the lamp while the lamp unit is still attached to the main body of the lamp. Therefore, the lighting fixture can be easily attached to the ceiling. Further, since the single-base fluorescent lamp and the lamp socket are integrated as a lamp unit in advance, the work of mounting the lamp in the lamp socket is eliminated when the lighting fixture is mounted on the ceiling.

According to the second aspect of the present invention, when it is desired to change the type of the lamp or to repair the lighting fixture, only the lamp unit is removed from the fixture main body while the fixture main body is buried in the ceiling. Another lamp unit integrated with a lamp is attached to the fixture body, or the removed lamp unit is repaired and then attached to the fixture body again.

According to the third aspect of the invention, when the lamp unit is held in the horizontal state, the lamp socket is located outside the fixture body.

According to the fourth aspect of the invention, after the fixture body is mounted on the ceiling, the lamp unit is held by the holding means in a horizontal state in which the lamp socket is located outside the fixture body. During maintenance, the holding unit is released to rotate the lamp unit.

According to the fifth aspect of the present invention, the lamp unit is rotated with respect to the fixture body by pivotally supporting the lighting device and the fixture body, which are integrally fixed to the upper portion of the reflecting plate, through the pivot support portion. It is movably supported.

According to the sixth aspect of the invention, the lamp unit can be easily removed from the main body of the appliance by removing the pin connecting the pair of plate members. When the lamp unit is attached to the main body of the appliance, It can be easily attached by connecting the plate members with pins.

[0020]

EXAMPLES Examples of the embedded luminaire according to the present invention will be described below. FIG. 1 is a partially cutaway perspective view showing an embedded lighting fixture, and FIG. 2 is a sectional view.

As shown in FIG. 1, the embedded luminaire 1 comprises:
The instrument main body 5 arranged inside the decorative ceiling 3 in the state of opening downward, the single-ended fluorescent lamp 7 disposed in the instrument main body 5, and the single-ended fluorescent lamp 7 attached to the instrument main body 5 Lamp socket 9 which is supported at a position protruding from the side surface of the lamp, and a reflector plate 1 which reflects the light of the single-ended fluorescent lamp 7.
1 and a lighting device 13 accommodating a ballast or the like for lighting the single-base fluorescent lamp 7.

In this embodiment, the single-base fluorescent lamp 7, the lamp socket 9, the reflector 11 and the lighting device 13 are used.
Are integrally formed as a lamp unit 15, and the lamp unit 15 is rotatably supported by the instrument body 5.

The instrument body 5 is a box body which opens downward, and an insertion hole 19 is formed in the top plate 5a. A tip screw portion of an anchor bolt 17 hanging from a ceiling slab or the like is inserted into the insertion hole 19 and a nut is screwed to fix the instrument body 5 to the anchor bolt 17.

Further, the side wall 5 is provided on the top plate 5a of the instrument body.
The opening 21 is formed to reach b. This opening 2
The lamp unit 15 is rotatably connected to the edge portion 1 via a hinge 24 as a shaft support portion.

The lamp unit 15 has a shallow reflector plate 11.
A pair of lamp sockets 9 are fixed to the side portions on the reflection surface side of. Two U-shaped single base fluorescent lamps 7 are attached to the lamp sockets 9, respectively. Further, a lighting device 13 for lighting the fluorescent single-base fluorescent lamp 7 is integrally fixed to the upper surface side of the reflection plate 11. Then, the lamp unit 15 is integrally formed at the time of manufacturing, and is shipped in a state of being attached to the instrument body. At this time, the lighting device 13 and the lamp socket 9 are connected (not shown). A hinge 24 is connected to a substantially middle portion on the upper surface side of the lighting device 13.

The hinge 24 includes a pair of plate members 23 and 27.
And the plate members 23 and 27 are swingably connected to each other, and are formed by a pin 25 that is exposed in the lower surface direction and is detachable when the lamp unit 15 is in the vertical state. The plate member 23 is fixed to the edge of the opening 21 of the appliance body 5, and the plate member 27 is the lighting device 1.
It is fixed to the upper surface side of 3. The lamp unit 15 is rotatably connected to the fixture main body 5 by pivotally supporting the plate members 23 and 27 with the pin 25, and the lamp unit 15 is removed from the fixture main body 5 by pulling out the pin 25. You can do it.

As shown in FIG. 2 (a), the hinge 24 has a horizontal state in which the lamp socket 9 of the lamp unit 15 is supported at a position projecting from the side surface 5b of the fixture body 5 to a state shown in FIG. 2 (b). As shown in, single-ended gold fluorescent lamp 7
Is rotatably connected to the instrument main body 5 within a range of about 90 degrees in which it is in a vertical state. Then, in the vertical state of the lamp unit 15 shown in FIG. 2B, the lamp socket 9 of the fixture body 5 is supported at a position protruding from the top plate 5a, and the upper surface of the lighting device 13 of the lamp unit 15 is attached to the fixture body 5. It is exposed inside.

A power line insertion hole 32 is formed in the top plate 5a of the instrument body 5. From this power line insertion hole 32, the end of the power line wired in the ceiling is located in the instrument body 5. It is drawn in and is easily connected to the terminal block 13a of the lighting device 13.

A holding means 29 is formed on the side surface 5c of the instrument body. As shown in FIG. 3, the holding means 29 includes two through holes 3 formed in the inner wall of the instrument body 5.
1, 33 and a holding lever 35 supported by these through holes 31, 33. The holding lever 35 is
The lower end portion 37 penetrates through the through hole 31 and is fixed to the side surface 5c on the outside. Further, an intermediate portion projects into the instrument body to form an upward inclined surface 42, and a supporting surface 41 that is bent substantially horizontally is formed on the side surface 5c side in the middle. Further, an end 39 continuous with the support surface 41 penetrates through the through hole 33 and projects to the outside of the side surface 5c. The end 39 is bent upward along the side surface 5c to serve as a stopper. The holding lever 35 is usually provided with an inclined surface 42 and a support surface 41.
And are projected into the instrument body 5 by being biased, and when pressed from the inside of the instrument body 5, the support surface 41 penetrates the through hole 33 and moves to the outside of the side surface 5b, and the inclined surface 42 forms the side surface. It is designed to move to the 5c side.

Further, as shown in FIG. 1, a lattice-shaped louver 43 integrally formed with a decorative frame 44 is attached to the opening of the instrument body 5 by a mounting spring 45 provided on the decorative frame 44. ing.

In order to mount such a built-in lighting fixture 1 on the ceiling 3, as shown in FIG.
Is assembled to the instrument body 5 via the hinge 24,
As shown in FIG. 2B, the single-base fluorescent lamp 7 is set in a vertical state and fixed to an anchor bolt 17 hanging from a frame or the like in the room. In this case, by keeping the lamp unit 15 in the vertical state, the tip of the anchor bolt 17 can be easily inserted into the insertion hole 19 of the top plate 5a of the instrument body 5, and the operator can anchor the instrument body 5 in the anchor. It can be easily fixed to the bolt 17.

After fixing the fixture main body 5 to the anchor bolt 17, the power supply line is connected to the terminal block 13a. As shown in FIG. 2A, the lamp unit 15 is attached to the fixture main body 5 by the single-ended fluorescent lamp 7. It is pivoted to the horizontal state supported by the lamp socket 9 on the outside of. At this time, the inclined surface 42 of the holding lever 35 is slid and pressed at the corner portion of the lamp unit 15 to bend the holding lever 35 toward the side surface 5c. Then, the lamp unit 15 is placed on the support surface 41 in a state where the lamp unit 15 is positioned horizontally, and the lamp unit 15 is maintained in the horizontal state.

As described above, in the luminaire 1 of this embodiment,
With the single-ended fluorescent lamp 7, the reflector 11, the lamp socket 9, and the lighting device 13 assembled, the fixture body 5 can be easily mounted on the ceiling, which simplifies the mounting work and also reduces the mounting time. Can be shortened.

When the lighting device 13 fails or needs to be replaced, the holding lever 35 is pressed toward the side surface 5c of the fixture body 5 to remove the lamp unit 15 from the support surface 41, and After rotating vertically as shown in FIG. 2 (b), the power supply wire is removed from the terminal block. further,
The pin 25 of the hinge 24 is pulled out, and the lamp unit 15
Is removed from the instrument body 5. Then, after repairing the faulty part, the plate members 23 and 27 are connected by the pins 25, the lamp unit 15 is connected to the fixture body 5, and the lamp unit 15 is brought into a horizontal state, whereby the maintenance becomes easy.

Furthermore, according to the luminaire 1 of this embodiment,
For example, even when it is desired to change the type of the single-ended fluorescent lamp 7, the single-ended fluorescent lamp 7 is removed together with the lamp unit 15 and another single-ended fluorescent lamp 7 which is made into a lamp unit.
It is possible to easily change the type of lamp by replacing the. Therefore, the variation of the light source is widened. Further, by forming the lamp, the socket, the reflector, and the ballast of the luminaire as a lamp unit, it becomes possible to make them common parts and reduce the manufacturing cost.

In the above embodiment, the hinge 2 which can be disassembled is used.
Although the lamp unit 15 is connected to the fixture body 5 via the hinge 4, the hinge 24 is fixed to one of the fixture body 5 and the lamp unit 15 in advance, and the hinge 24 is installed and installed.
The lamp unit 15 may be connected to the fixture body 5 by fixing the lamp unit 15 to the other.

Further, in the above embodiment, the structure for pivotally supporting the lamp unit on the fixture body is not limited to the one using the pins, but may be any structure for rotatably connecting the lamp unit to the fixture body.

[0038]

As described above, according to the first aspect of the present invention, the lamp unit is formed by integrating the lamp, the lamp socket, the reflector and the ballast, and the lamp unit is rotatably supported by the main body of the apparatus. Therefore, the instrument body can be easily installed and attached to the ceiling without the lamp socket provided at the position protruding from the side surface of the instrument body contacting the ceiling opening edge. In addition, since the lamp, reflector, lamp socket, and ballast are integrated as a lamp unit, the number of parts is reduced, and the work of connecting the ballast to the lamp socket and attaching the lamp to the lamp socket are It disappears when it is installed on the ceiling.

According to the second aspect of the present invention, since the lamp unit is detachably supported with respect to the main body of the fixture, it is possible to easily change the type of the lamp, and the maintainability is improved. According to the third aspect of the invention, in the lamp unit, since the lamp socket is located outside the main body of the lamp when the lamp unit is in the horizontal state, the lamp socket cannot be seen from the opening.

According to the fourth aspect of the present invention, since the holding means for holding the lamp unit in the horizontal state in which the lamp socket is located outside the main body of the lamp is provided, it is possible to reliably hold the lamp unit in the horizontal state. I can.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the lamp unit is disposed under the reflector and the lamp is fixed on the upper portion of the reflector so that the ballast is integrally formed. Since the ballast is rotatably connected to the fixture body via the hinge, it can be assembled before mounting the lamp, ballast, and reflector, and can be mounted on the ceiling in the assembled state. Will be easier.

In the invention according to claim 6, since the hinge is connected to the pair of plate members and the plate members via the removable pins, the lamp unit can be easily removed from the main body of the fixture by removing the pins. When the lamp unit is attached to the main body of the fixture, it can be easily attached by connecting a pair of plate members with a pin. Therefore, the work of attaching the lamp unit to the fixture body becomes easy.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embedded lighting fixture according to the present invention.

2A and 2B show an embedded luminaire according to the present invention, FIG. 2A is a sectional view showing a state in which a lamp unit is held in a horizontal state, and FIG. 2B is a state in which the lamp unit is vertically rotated. FIG.

FIG. 3 is an exploded perspective view showing a holding lever of the embedded lighting fixture according to the present invention.

[Explanation of symbols]

 1 Embedded Lighting Fixture 5 Fixture Main Body 7 Lamp 9 Lamp Socket 11 Reflector 13 Lighting Device 15 Lamp Unit 24 Hinge 23, 27 Plate Member 25 Pin

Claims (6)

[Claims] 1. A device body embedded in a ceiling surface,
A lamp unit having at least a single-base fluorescent lamp and a lamp socket arranged in the fixture body, wherein the lamp unit is rotatably within a range of rotation from a horizontal state to a vertical state. An embedded luminaire characterized by being axially supported by. 2. The embedded lighting fixture according to claim 1, wherein the lamp unit is detachably supported by the fixture main body. 3. The lamp unit is arranged such that the lamp socket is located outside the fixture body when held in a horizontal state.
Alternatively, the embedded luminaire according to claim 2. 4. The embedded lighting fixture according to claim 1, further comprising holding means for holding the lamp unit in a horizontal state in the fixture main body. 5. A reflecting plate and a lighting device are arranged in the lamp unit, the single-base fluorescent lamp is arranged so as to face the reflecting plate, and the lighting device is fixed above the reflecting plate, The upper surface of the lighting device is rotatably rotatably supported by the fixture body via a rotatably supporting portion.
Item 4. The embedded lighting fixture according to any one of items 4 to 4. 6. The embedded mold according to claim 4, wherein the shaft support portion is composed of a pair of plate members and a pin that connects the plate members swingably and is detachable. lighting equipment.