JP3092391B2 - Ceiling-mounted lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

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

[0002]

2. Description of the Related Art Conventionally, there is a ceiling-mounted lighting apparatus using a one-base lamp as shown in FIG. In this example, two fluorescent lamps are provided.

In the figure, reference numeral 1 denotes an instrument body, and 2 denotes a rectangular box-shaped reflector having an open lower surface, which is attached to the instrument body 1. Reference numeral 3 denotes a lamp socket which is attached to the apparatus main body 1 side by side, and protrudes inward from the side surface of the reflector 2. Reference numeral 4 denotes a single-type fluorescent lamp, to which a base 5 is attached at one end. For example, two fluorescent lamps 4 are arranged side by side inside the reflection plate 2, and each base 5 is connected to each lamp socket 3. Incidentally, reference numeral 6 denotes an auxiliary reflection plate attached to the reflection plate 2, and reference numeral 7 denotes a lamp holder.

When the fluorescent lamp 4 is inserted and connected to the socket 3, the fluorescent lamp 4 is tilted so that the base 5 is on the upper side, and the orientation is set so that the base 5 faces the lamp socket 3. The fluorescent lamp 4 in this state is inserted inside from the lower surface opening portion of the reflector 2, plugged the die 5 while rotating toward the fluorescent lamp 4 base 5 as a fulcrum in the upper to the lamp socket 3. At the same time, the fluorescent lamp 4 is fitted and held in the lamp holder 7.

[0005]

In the luminaire constructed as described above, the fluorescent lamp 4 is inserted into the lamp socket 3 while being tilted and rotated, so that the fluorescent lamp 4 is easily inserted into the lamp socket 3 and connected. As shown in FIG.

On the other hand, in order to improve the appearance of the lighting equipment, it is required that the lamp socket 3 is not seen from the outside.

Therefore, it is conceivable that the lamp socket 3 is positioned inside the side surface of the reflection plate 2 and covered with the side surface. In this case, it is necessary to form a lamp insertion hole on the side of the fluorescent lamp 4 at a position facing the lamp socket 3 for connecting the base 4 of the lamp socket 3 to the lamp socket 3.

However, since the fluorescent lamp 4 is rotated and connected to the lamp socket 3 as described above, the size of the lamp insertion hole is changed to enable the fluorescent lamp 4 to rotate. This is larger than when the lamp 4 is moved horizontally and plugged into the lamp socket 3.

Therefore, such a large lamp insertion hole is sufficiently visible from the outside of the luminaire, so that the appearance of the luminaire cannot be improved.

The present invention has been made in view of the above circumstances, and has a structure in which a lamp socket provided in a fixture main body and a lamp insertion hole formed in a reflector for mounting on the lamp socket cannot be seen from the outside. It is an object of the present invention to provide a ceiling-mounted lighting device in which the appearance is improved by hiding the lighting device.

[0011]

In order to achieve the above object, a ceiling-mounted lighting device according to the present invention is provided so as to be fitted into an opening formed in a ceiling portion and is provided on a side surface located inside the ceiling portion. A device body having a protrusion protruding outward from the opening and a lamp socket attached to the protrusion, and a single base lamp disposed inside the device body and having a base mounted on the lamp socket. And a lamp insertion hole sized to allow the base of the lamp to be inserted into the projection of the fixture body on a side surface portion located inside the fixture body and facing the projection of the fixture body. The reflector inserted into the lamp insertion hole and the edge portion of the lamp insertion hole are provided on the side surface of the reflection plate, which is disposed inside the reflection plate and faces the protrusion of the appliance body. Rim and Characterized by comprising a braking light body with openings located in the clearance formed between the serial lamp.

[0012]

[Action] on the side surface facing the protruding portion of the instrument body in the inside arranged the system optical member of the reflection plate, the edge of the ramp interpolation entry apertures are edge with miss an inserted lamp to the lamp insertion hole By forming an opening located in a gap formed between the lamp and the lamp, the edge of the opening of the light control body covers the lamp insertion hole of the reflector, and the lamp insertion hole is placed outside the lighting fixture. Can be hidden from view, so
The lamp socket provided in the fixture body and the lamp insertion hole formed in the reflector for mounting on the lamp socket can be hidden by a reasonable structure so as not to be seen from the outside, so that the appearance can be improved.

[0013]

An embodiment of the present invention will be described with reference to the drawings.

This embodiment is directed to a ceiling-mounted luminaire provided with two single-base fluorescent lamps. FIG. 1 is a cross-sectional view showing a ceiling-mounted lighting device of this embodiment.

In FIG. 1, reference numeral 51 denotes a ceiling of a building, and a rectangular opening 52 in which lighting equipment is provided.
Are formed.

In the figure, reference numeral 11 denotes an instrument body, which is shown in FIGS.
As shown in FIG. 4, the opening 52 of the ceiling 51 is flat.
And a box shape in which the lower surface is open and the upper surface is closed. The lower part of the device main body 11 is located in the opening 52, and the upper part is located inside (upper side) the ceiling 51.

On one side surface of the portion of the appliance body 11 located inside (upper side) of the ceiling portion 51, there is formed a projecting portion 12 projecting from the edge of the opening 52 toward the outside thereof by a predetermined length. I have. The ceiling 5 in the appliance body 11
The appliance main body 11 is rotated by the opening 52 as described later over a side surface portion facing the side surface portion of a portion located inside (upper side) of the device 1 and an upper surface portion continuous with the side surface portion. An inclined portion 13 is formed so as to be able to be inserted inside 51. This inclined portion 13 is open. A flange 11a is formed around the lower opening of the instrument body 11.

Also, two lamp sockets 14 are mounted side by side on the protruding portion 12 of the appliance body 11. FIG. 1 shows only one lamp socket 14. The lower part of the lamp socket 14 is opened as shown in FIG. 3 so that the fluorescent lamp can be tilted from below and turned to be connected to the lamp socket 14. It is attached to the main body 11.

A reflector mounting fixture 16 is mounted inside the upper surface of the apparatus main body 11, and a ballast 17 and other components (not shown) constituting a lighting circuit are mounted.

The instrument body 11 is attached to a building structure by, for example, the following structure. Instrument body 1
As shown in FIGS. 1, 4 and 7, a mounting hole 18 formed of a through hole 18a and a long hole 18b connected to the through hole 18a is formed in the upper surface of the unit 1. The through-hole 18a is located in a direction closer to the protruding portion 12 with respect to the long hole 18b, and the through-hole 18a and the long hole 18b are perpendicular to an axis passing through a point O of the rotation center of the instrument body 11 as described later. Are located on the right axis.

Above the mounting hole 18 of the instrument body 11, a mounting bolt 19 is provided vertically to a building structure (not shown), and the mounting bolt 19 extends through the mounting hole 18 to the inside of the instrument body 11.

A nut 20 and a washer 21 are attached to a portion of the mounting bolt 19 located inside the instrument body 11. The through hole 18a of the mounting hole 18 is larger than the washer 21 mounted on the mounting bolt 19, and
Is a size that allows the mounting bolt 19 to be inserted. For this reason, the mounting bolt 19 is located in the elongated hole 18b and the washer 2
It is attached by receiving the upper surface portion at 1. Note that a stopper 22 is provided on the inner surface of the upper surface portion of the instrument body 11.

When the instrument body 11 is to be inserted into the opening 52 of the ceiling 51, the instrument body 11 is positioned below the opening 52 of the ceiling 51 as shown in FIG. The projection 12 is inserted obliquely into the ceiling 51 from the opening 54, is hooked on the edge of the opening 54, rotates upward, and is inserted inside the ceiling 51. in this case,
Since the inclined portion 13 is formed in the device main body 11, the device main body 11 can be inserted without hitting the edge of the opening 52.

As shown in FIG. 6, the through hole 18a of the mounting hole 18 formed in the instrument body 11 is inserted into the ceiling 51 by rotating the instrument body 11 upward as described above.
The mounting bolts 19 without being constrained to conditions such as the distance A and enters the inside length of the fixture body 11 of the mounting bolt 19 B between the point and the point O is located on the lower side of the mounting bolt 19 <br/> The size is such that it can be introduced into the main body through the through hole 18a. In FIG. 6, R is the turning radius of the instrument body 11 about the point O.

Further, since the diameter of the through hole 18a is larger than the washer 21 as described above, even if the nut 20 and the washer 21 are attached to the lower part of the mounting bolt 19, the instrument body 11 is placed on the upper side as shown in FIG. When rotated and inserted into the ceiling portion 51, the nut 20 and the washer 21 can also be introduced into the main body through the through hole 18a.

In this way, after inserting the mounting bolt 19 into the inside of the appliance main body 11, the appliance main body 11 is moved and the mounting bolt 19 is moved to the long hole 18b of the mounting hole 18, so that the washer 21 is attached to the appliance main body 11. Hold 11 For this reason, the fixture main body 11 can be temporarily fixed after being inserted into the ceiling portion 51 to perform an assembling operation. After the operation is completed, the nut 20 is tightened to fix the instrument body 11.

The stopper 22 provided on the instrument body 11
When the tool body 11 tries to move, it hits the nut 20 to prevent the tool body 11 from moving, and prevents the mounting bolt 19 from coming off the through hole 18a.

In the figure, reference numeral 23 denotes a reflector, which is arranged inside the instrument body 1 as shown in FIGS. The reflector 23 has a rectangular shape whose plane shape is slightly smaller than that of the instrument body 11, and has a box shape with an open lower surface and a closed upper surface. The projecting portion 12 of the instrument body 1 in the reflection plate 23
A lamp insertion hole 24 is formed in each of the side portions facing the pair, facing the two lamp sockets 14 provided on the protruding portion 12.

The lamp insertion hole 24 has a size that allows the base of the fluorescent lamp to be rotated when the base is inserted into the lamp socket 14 by rotating the fluorescent lamp upward from a tilted state as described later. Have.

A lamp holder 25 is mounted inside the upper surface of the reflection plate 23. At the center of a pair of side faces sandwiching the side face on which the lamp insertion hole 24 is formed in the reflector 23, light control body attachment pieces 26 are respectively formed by cutting and raising, and screws 27 are attached to the reflector 23. Is screwed into a screw hole 28 formed in the fixture 16 attached to the instrument main body 11 through a hole 23a formed in the upper surface of the reflector 2, and the reflection plate 2 disposed inside the instrument main body 11 is tightened.
3 is attached to the instrument body 11.

In the drawing, reference numeral 29 denotes a one-base fluorescent lamp, which has a base 30 attached to one end thereof. Fluorescent lamp 2
9 is the inside of the fluorescent lamp fixture main body 11, that is, the reflector 2
3, two lamp sockets 1 are provided in parallel with each other, and the base 30 is provided on the protruding portion 12 of the appliance body 11.
4 is plugged in.

When the fluorescent lamp 29 is inserted into the lamp socket 14 and connected, as shown in FIG.
9 is tilted so that the base 30 faces upward, and the orientation is set so that the base 30 faces the lamp insertion hole 24 of the reflection plate 23. In this state, the fluorescent lamp 29 is inserted into the inside of the reflector 23 from the lower surface opening of the fixture body 11, and the base 30 is inserted into the protrusion 12 of the fixture body 11 through the lamp insertion hole 24 of the reflector 23. 30 is inserted into the lamp socket 14 inside from below.

Next, the tip of the base 30 is inserted into the hole of the lamp socket 14 while rotating the fluorescent lamp 29 upward with the base 30 as a fulcrum. Fluorescent lamp 2 at the same time
9 is fitted and held in the lamp holder 25.

The lamp insertion hole 24 of the reflection plate 23 has a size that enables the operation of rotating the fluorescent lamp 29 and connecting it to the lamp holder 25 as described above.

In the figure, reference numeral 31 denotes a light control body, which is
And inside the reflection plate 23. The light control body 31 has a rectangular frame shape, and a flange 31
a is formed.

As shown in FIGS. 1 and 5, the side surface of the light control body 31 facing the projection 12 of the fixture body 1, that is, the side surface facing the lamp insertion hole 24 of the reflector 23,
An opening 32 is formed at each position facing the two lamp insertion holes 24. These openings 32 are cut out from the upper edge of the side surface to allow the fluorescent lamp 29 inserted in the lamp insertion hole 24 to escape, and the edge is formed by the edge of the lamp insertion hole 24 and the fluorescent lamp 29. It is located in a gap formed between the two.

That is, each opening 32 is provided in the lamp insertion hole 2.
4 surrounds the periphery of the fluorescent lamp 29 inserted therein, and hides a gap formed between the edge of the lamp insertion hole 24 and the fluorescent lamp 29 so as not to be seen from the outside.

Further, V springs 33 are attached by fittings 34 to the outside of the center of a pair of side portions of the light control body 31 sandwiching the side portions where the openings 32 are formed.

As shown in FIG. 5, 35 and 36 are light control bodies 31.
The auxiliary reflection plate is arranged inside in a cross shape. The auxiliary reflector 35 is supported at both ends by cuts 37a formed on a pair of opposing side surfaces of the light control body 31, and the auxiliary reflector 36 is formed at both ends of another pair of opposing side surfaces of the light control body 31. It is supported by have been cut 37 b. The notch 35 into which the auxiliary reflector 36 is inserted
a is formed.

After the fluorescent lamp 29 is mounted on the lamp socket 14, the light control body 31 is inserted into the inside of the reflection plate 23 from the opening on the lower surface of the instrument body 1. In this case, the operator closes each V-spring 33, inserts the light control body 31, and sets the reflector 2
By expanding the V springs 33 at the time of insertion into the inside of each of the reflectors 3, each V spring 33 is
Engages. This state V spring 33 holds the light control body 31 on the reflection plate 23 by its spring force. When replacing the fluorescent lamp 29, the light control body 31 is detached from the reflection plate 23 by an operation reverse to the above operation.

The light control body 31 configured as described above has a function of providing the lighting fixture with an accessory-like element and adjusting the light emitted from the fluorescent lamp 29 in a well-balanced manner. Then, in a state where the light control body 31 is arranged inside the reflection plate 23 on the light control body 31, each opening 32 surrounds the fluorescent lamp 29 at a position facing each lamp insertion hole 24 of the reflection plate 23, and The space between the fluorescent lamp 29 and the edge of the lamp insertion hole 24 is covered and hidden so as not to be seen from the outside.

Therefore, the projecting portion 12 formed on the instrument body 1
The lamp socket 14 is provided on the side surface of the light control body 31 facing the protruding portion of the fixture main body 11, and the fluorescent lamp 29 is inserted into the lamp insertion hole 24 to escape the lamp. By forming an opening 32 located in a gap formed between the lamp lamp 14 and the fluorescent lamp 29, the lamp socket 14 and the reflector 23 are formed so that the fluorescent lamp 29 can be inserted and connected to the lamp socket 14. The hole 24 can be hidden from the outside so as to enhance the appearance of the lighting fixture.

In FIG. 1, h1 is the height from the upper surface of the reflector 23 to the lower edge of the lamp insertion hole 24, and h2 is the height from the upper edge of the side surface of the light control body 31 to the lower edge of the opening 32. That's it.

The portion of the fluorescent lamp 29 close to the base 30 is darker than other portions, but this portion is
And the inside of the light control body 31 to make the brightness of the lighting fixture uniform.

[0045] Further, as in the above embodiment, the ceiling portion 5
A projection 12 protruding outward from the opening is provided on a side surface located inside the ceiling, and a mounting hole 18 is formed on the upper surface. In addition, the projecting portion is hooked on the edge of the opening 52, and is rotated to be fitted into the opening 52, and the lamp 29 mounted on the device main body 11.
And a mounting bolt 19 provided in the ceiling portion 51 and inserted into the interior of the appliance main body 11 through the mounting hole 18 of the appliance main body 11, wherein the mounting hole 18 includes a nut attached to the mounting bolt 19 and A configuration is adopted in which a through-hole portion 18a having a diameter larger than that of the washer and an elongated hole 18b having a diameter capable of moving only the mounting bolt 19 are employed.

Therefore, the mounting bolt 19 is connected to the instrument body 11.
The temporary fixing of the tool body 11 by temporarily inserting the tool body 11 into the mounting hole 18 allows the assembly work to be performed, and the mounting of the tool body 11 to the ceiling portion 51 can be easily performed.

The present invention is not limited to the embodiments described above, but can be implemented with various modifications.

[0048]

As described above, according to the ceiling-mounted lighting device of the present invention, the lamp insertion hole formed in the reflector for mounting on the lamp socket is formed by the edge of the opening formed in the light control body. by covering in parts, it is possible to improve the appearance by hiding the La Npusoketto and the lamp insertion holes formed in the projecting portion of the instrument body at reasonable structure so as not to be visible from the outside.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a lighting device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the lighting apparatus of the embodiment.

FIG. 3 is an exemplary perspective view showing a lamp socket provided in the lighting apparatus of the embodiment.

FIG. 4 is an exemplary perspective view showing a fixture main body and a reflector in the lighting fixture of the embodiment.

FIG. 5 is an exploded perspective view showing a light control body in the lighting apparatus of the embodiment.

FIG. 6 is a view for explaining the operation of inserting the instrument body into the ceiling in the embodiment.

FIG. 7 is a view for explaining the operation of connecting the mounting bolt and the instrument body in the embodiment.

FIG. 8 is an exploded perspective view showing a conventional example of a lighting fixture.

[Explanation of symbols]

11: Instrument body, 12: Projection, 14: Lamp socket, 23: Reflector, 24: Lamp insertion hole,
29: fluorescent lamp, 30: base,
31 ... light control body 32 ... opening.

──────────────────────────────────────────────────続 き Continued on the front page (56) References JP-A 2-86010 (JP, U) JP-A 63-111710 (JP, U) JP-A 1-161514 (JP, U) JP-A 63-111 192608 (JP, U) Japanese Utility Model Showa 61-166329 (JP, U) Japanese Utility Model Application Hei 5-92911 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F21S 8/02 F21S 4 / 00 F21V 17/00 F21V 19/00 F21V 21/04

Claims (1)

(57) [Claims] 1. A projection which is provided to fit into an opening formed in a ceiling portion and is provided on a side portion located inside the ceiling portion and which protrudes outward from the opening portion. An appliance body to which a socket is attached, a one-base lamp arranged inside the appliance body and having a base attached to the lamp socket, and a side surface arranged inside the appliance body and facing a projection of the appliance body A reflector having a lamp insertion hole sized to allow the base of the lamp to be inserted into the projection of the appliance body, and a projection disposed on the interior of the reflector and of the appliance body. on the side surface facing the opening portion edge with miss inserted the lamp to the lamp insertion hole is positioned in the gap formed between the lamp and the edge of the lamp insertion holes are formed With light control A ceiling-mounted lighting fixture characterized by: