JP2614417B2 - Lighting equipment for indirect lighting - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture for indirect lighting, which can hold a shade for indirect lighting in a vertical position and facilitate replacement of a fluorescent lamp.

[0002]

2. Description of the Related Art Indirect lighting is usually achieved by disposing a so-called shade that directly obstructs the fluorescent lamp from directly below and reflects the light of the fluorescent lamp immediately below a fluorescent lamp disposed on the ceiling of a house. Done.

[0003] In such an indirect lighting, the shade a is detached by using appropriate fittings and screws as shown in FIG. 11 so that the fluorescent lamp can be easily replaced without disturbing the shade. What can be arranged, and Fig. 1
As shown in FIG. 2, there has been proposed a device having a relatively large clearance h that allows a user to insert a hand smoothly without removing a shade a above a fluorescent lamp b.

[0004]

However, in the case where the shade a is completely removed, there is a problem that the handling of the shade a is inconvenient because the shade a is generally a long body.

[0005] In the case of a large clearance h, although there is no need to remove the shade a, a large step is formed on the ceiling surface, so that the ceiling structure must be largely changed. In some cases, sufficient clearance cannot be ensured due to ceiling structure restrictions.

The present invention is based on the fact that the shade is attached to the base frame by holding means which holds the shade at a position directly below the fluorescent lamp and at a position below the fluorescent lamp, without removing the shade completely, and without increasing the size of the shade. It is an object of the present invention to provide a lighting fixture for indirect lighting in which a fluorescent lamp can be easily replaced without taking a clearance.

[0007]

SUMMARY OF THE INVENTION The present invention provides a base frame mounted on a ceiling surface of a house and fixed to the ceiling surface, a fluorescent lamp horizontally mounted on the base frame, and a fluorescent lamp directly below the fluorescent lamp. A lighting fixture for indirect lighting having a shade that prevents direct view from below the fluorescent lamp and reflects the light of the fluorescent lamp by being located, wherein the shade is positioned directly below and below the fluorescent lamp. The fluorescent lamp is attached to the base frame by holding means for holding the fluorescent lamp at a lower position which facilitates replacement of the fluorescent lamp by being separated.

[0008]

The shade for indirect lighting located immediately below the fluorescent lamp is fixed to the ceiling surface by holding means for holding the shade at a position directly below the fluorescent lamp and at a position below the fluorescent lamp. Attached to the frame. Therefore, by arranging the shade in the lower position, the fluorescent lamp can be easily replaced without removing the shade, and the handling of the shade is simplified, and there is no need to take a large clearance above the fluorescent lamp. It eliminates the need for extensive changes in the ceiling structure.

In the invention according to claim 2, the holding means includes a C-shaped metal member having two U-shaped legs having a spring property, and the two legs of the C-shaped metal are passed through and folded. When the leg is closed by the approach of the bent portion and the retaining piece is kept in the closed state, the holding means can be formed with a simple configuration, and the shade is raised by the up and down movement of the C-shaped hardware. Since the shade can be positioned below, the shade can be easily moved and its operability can be enhanced.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. 1 to 6, a lighting fixture 1 for indirect lighting according to the present invention.
Is a base frame 2 attached to and fixed to a ceiling surface A of a house, a fluorescent lamp 3 mounted horizontally on the base frame 2, and a fluorescent lamp 3 The shade 3 has a shade 4 that prevents direct view from below the lamp 3 and reflects the light of the fluorescent lamp 3, and the shade 4 separates the position P <b> 1 immediately below and the fluorescent lamp 3 from the fluorescent lamp 3 by moving away from the fluorescent lamp 3. It is attached to the base frame 2 by a holding means 5 for holding it at a lower position P2 for easy replacement.

The base frame 2 is attached to the ceiling plate 16 along four peripheral edges of a rectangular opening 17 provided in the ceiling plate 16 forming the ceiling surface A, as shown in FIGS. A horizontal flange piece 20 formed of a bent metal plate and screwed to the lower surface of the ceiling plate 16 via a base material 19; a vertical vertical piece 21 rising from one edge of the flange piece 20; A horizontal upper piece 22 extending above the opening 17 from the upper edge of the standing piece 21 is integrally provided.

A rectangular upper ceiling plate 23 is fixed to each of the upper pieces 22 of the four base frames 2 arranged in a rectangular shape, and the upper ceiling plate 23 and the base frames 2 are fixed to each other. Thereby, the ceiling embedded member 24 that can be embedded in the opening 17 from below is formed. At the right angle corner formed by each base frame 2, a lighting base metal 27 having a socket base 26 to which a downlight 25 is attached is fixed to the standing piece 21 of the base frame 2 in advance.

On the standing piece 21 of the base frame 2, sockets 29, 29 for horizontally mounting the fluorescent lamp 3 are provided in advance, and between the socket 29 and the illumination base metal 27, The retaining piece 7 of the holding means 5 comprising a metal fitting 6 and a retaining piece 7 is provided.

The locking pieces 7 project from both sides of the base 30 fixed to the standing piece 21, and the pair of locking pieces 7, 7 project from the both sides of the base 30 in parallel with each other. 31, 31 and L-shaped locking portions 32, 32 extending in a direction facing the tips of the projections 31, 31.

The ceiling embedded member 24 attached to the ceiling surface A has a screw hole 27 formed in the illumination base metal 27.
a, a corner member 33 is screwed and attached, and a horizontal member is fitted into a small gap between the bent portion 22A provided at the end of the upper piece 22 of the base frame 2 and the upper ceiling plate 23. Reflecting plate 3 having a fitting piece 34 and a reflecting piece 35 extending obliquely downward from the inner edge thereof toward the standing piece 21.
6 are small holes 35a, 35a provided at both ends of the reflection piece 35.
And is attached to the base frame 2 using a screw piece screwed into a screw hole 33a provided in the corner member 33.

When the reflector 36 is attached, the lower edge of the reflector 35 comes into contact with the upper surface of the sockets 29 and 29, and the reflector 35 moves upward of the fluorescent lamp 3 installed between the sockets 29 and 29. Is reflected and illuminated below.

As shown in FIGS. 2 and 3, the shade 4 is formed by connecting both ends of a long base 39 having a downwardly convex cross-sectional shape to end pieces 4.
It is closed at 0 and 40 and the position P just below the fluorescent lamp 3
1 (shown in FIGS. 3 and 4), the boss portion 43 of a bolt fitting 44 having a columnar boss portion 43 fixed to a rising piece 42 rising from a substantially horizontal lower piece 41 of the base 39. Thus, the bracket 6 of the holding means 5 is attached.

The C-shaped metal part 6 has a spring-like leg which is opened upward in a C-shape from a base end 9 having a hole into which the boss 43 is loosely fitted, and is urged in the opening direction. In the present embodiment, the base end portion 9 is attached to the shade 4 by the bolt fittings 44 provided on the shade 4. The leg piece 10,
At the tip of 10, bent portions 11 and 11 are formed, each of which is bent in an arc shape in a direction opposite to each other.

As shown in FIGS. 3 and 4, the shade 4 locks the two leg pieces 10, 10 of the C-shaped metal piece 6 with the pair of locking pieces 7, 7 at the position P1 immediately below. Due to this, the leg pieces 10 and 10 are held at the position P1 immediately below by the resilience of the legs, thereby preventing direct view from below the fluorescent lamp 3 and reflecting the light of the fluorescent lamp 3 upward to reflect the light. Indirect illumination can be provided with the plate 36.

At the position P1 immediately below the shade 4, one upper edge of the shade 4 contacts the lower surface of the flange piece 20 of the base frame 2, and the fluorescent lamp 3 extends from the rising piece 42 to the other upper edge. The downward inclination of the inner portion 39A of the base 39 to be blindfolded is prevented. (The center of gravity in the cross section of the shade 4 is set so as to be located on the other upper edge side of the rising piece 42.)

In this embodiment, the locking pieces 7, 7 provided on the base frame 2 and through which the two leg pieces 10, 10 pass between them, as shown in FIGS. Leg piece 10,
The legs 10 and 10 are closed by bringing the bent portions 11 and 11 into contact with the locking pieces 7 and 7 to close the legs 10 and 10, thereby maintaining the C-shaped hardware 6 in the closed state X and the closed state X Thus, the shade 4 is held at the lower position P2, which is separated downward from the fluorescent lamp 3, to facilitate replacement of the fluorescent lamp 3.

The shade 4 has the inner portion 39A inclined downward from the position of the center of gravity in the cross section at the lower position P2 to make replacement of the fluorescent lamp 3 more convenient.

Also, the two leg pieces 10 and 10 of the
7 and 8, as shown in FIGS. 7 and 8, at the position P1 immediately below the shade 4,
The upper leg pieces 10A and 10A may be locked from the positions 6 and 46, and the leg pieces 10 and 10 may be deformed to intersect at the lower position P2. In this case, the positioning accuracy at the position P1 immediately below the shade 4 and the position P2 below the shade 4 can be improved, and the bend of the leg 10 can reliably hold the shade 4 at the position P1 immediately below, and the operability can be enhanced. .

It is also possible to attach the base end 9 of the C-shaped metal piece 6 of the holding means 5 to the base frame 2 and to provide the locking piece 7 on the shade 4. FIG.
As shown in the figure, the shade 4 is moved to the base frame 2 at the position P1 immediately below.
Screw 49 and the shade 4 are attached to the lower position P2.
Can be adopted. The holder 50 has, for example, a receiving piece 52 protruding from the standing piece 21 of the base frame 2, an upper end locked by the receiving piece 52, and hanging down through a long hole 52 a provided in the receiving piece 52, And a support rod 54 for supporting the shade 4 by the support portion 53 provided at the bottom. The shade 4 is moved to a lower position P2 by its own weight by removing the screw 49.

Further, when a plurality of tension coil springs whose upper end is attached to the base frame 2 and whose lower end is attached to the shade 4 are used as the holding means 5, the shade 4 is moved by the tension coil spring to the position P1 immediately below. While being held, the fluorescent lamp 3 can be replaced while the shade 4 is gripped by hand and pulled down and held at the lower position P2.

The corner members 33 at the four corners of the ceiling embedded member 24 having the base frames 2 to which the shades 4 are attached.
As shown in FIG. 1, downlights 25 to be mounted on the socket bases 26 are arranged, and a ceiling fan 56 is attached to the center of the upper ceiling plate 23. As described above, in this embodiment, since the ceiling fan 56 is provided on the upper ceiling plate 23 of the ceiling embedded member 24, the ceiling fan 5
6, the feeling of oppression can be reduced, and the ceiling height can be partially increased, so that the comfort of living can be improved.

[0027]

As described above, the lighting fixture for indirect lighting according to the present invention, which is located directly under the fluorescent lamp, prevents shade from observing the fluorescent lamp from being viewed directly from below. Since the shade is provided with a holding means for holding the shade at the lower position, the fluorescent lamp can be easily replaced without removing the shade by removing the shade. In addition to improving the ease of handling, it is not necessary to provide a large clearance above the fluorescent lamp, and it is possible to suppress a large change in the ceiling structure.

Further, in the invention of claim 2, the holding means comprises
When formed from a C-shaped metal piece having two leg pieces that can be opened by spring properties and a locking piece that locks the two leg pieces of the C-shaped metal piece, the shade is simplified by the action of a spring. Thus, it can be held in the position immediately below and the position below, and operability can be enhanced.

[Brief description of the drawings]

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

FIG. 2 is an exploded perspective view thereof.

FIG. 3 is a sectional view of the same.

FIG. 4 is a partial front view thereof.

FIG. 5 is a sectional view showing the operation of the present invention.

FIG. 6 is a partial front view thereof.

FIG. 7 is a partial front view showing another embodiment of the C-shaped hardware.

FIG. 8 is a partial front view showing the operation.

FIG. 9 is a sectional view showing another embodiment of the present invention.

FIG. 10 is a sectional view showing the operation.

FIG. 11 is a cross-sectional view for explaining a conventional technique.

FIG. 12 is a cross-sectional view for explaining a conventional technique.

[Explanation of Signs] 2 Base frame 3 Fluorescent lamp 4 Seed 5 Retaining means 6 C-shaped hardware 7 Locking piece 9 Base end 10 Leg piece 11 Bending portion A Position directly under ceiling P1 Position under P2 Position under X X Closed leg state

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-168613 (JP, A) JP-A-3-167705 (JP, A) Fully open sho 59-112415 (JP, U) Really open sho 59- 36106 (JP, U) Japanese Utility Model 5-36707 (JP, U) Japanese Utility Model 5-43409 (JP, U) Japanese Utility Model 61-114613 (JP, U)

Claims (2)

(57) [Claims] 1. A base frame mounted on a ceiling surface of a house and fixed to the ceiling surface, a fluorescent lamp horizontally mounted on the base frame, and a fluorescent lamp positioned directly under the fluorescent lamp to be positioned under the fluorescent lamp. A lighting fixture for indirect lighting having a shade that prevents direct viewing from and reflects the light of the fluorescent lamp, wherein the shade is replaced with the position immediately below and away from the fluorescent lamp by replacing the fluorescent lamp. A lighting device for indirect lighting, wherein the lighting device is attached to the base frame by a holding means for holding the base frame at a lower position to facilitate the operation. The holding means can be opened from the base end portion in a C-shape with resiliency and has a bent portion at the front end.
A bracket having two leg pieces and attaching the base end to one of the base frame or the shade, and a pair of two leg pieces provided on the other of the base frame or the shade, and two leg pieces passing therebetween, and the folding of the leg pieces is performed. The lighting fixture for indirect lighting according to claim 1, comprising a locking piece that closes the leg when the bent portion approaches and keeps the leg closed.