JP6991617B2 - Lighting fixture fixtures and luminaires - Google Patents

Description

The present invention relates to a fixture for a luminaire and a luminaire.

A ceiling-embedded lighting fixture including a reflector in which a straight-tube fluorescent lamp is arranged inside and the lower surface is open has been proposed (Patent Document 1).

Japanese Unexamined Patent Publication No. 11-144517

In the conventional ceiling-embedded luminaire, when the luminaire is installed in an opening provided in the ceiling for installing the luminaire, the thickness of the protruding portion to the outside of the opening is as thick as about 10 mm. If the protruding portion is thick, there are problems such as hitting the protruding portion and poor appearance when moving an object under the ceiling. However, since the protruding portion greatly contributes to the strength of the luminaire, simply thinning the luminaire makes the luminaire fragile.

Therefore, an object of the present invention is to provide a fixture for a lighting fixture that can be installed flat on the ceiling surface while maintaining the strength.

In order to achieve the above object, the fixture for lighting equipment of the present invention is used.
Includes a reflective shade and a pair of shade walls
The reflective shade is
An fixture storage unit that is embedded in an opening provided in the ceiling for installing lighting fixtures and that houses the lighting fixtures inside.
It has a pair of flat portions protruding from both ends in the lateral direction of the reflective shade and in contact with the ceiling outside the opening.
The longitudinal end of the instrument accommodating portion has a protrusion and
The pair of cap side walls are each
The side surface portions embedded in the opening and arranged at both ends in the longitudinal direction of the reflective shade,
It has a flat portion that is connected to the side surface portion in an L shape and is in contact with the ceiling outside the opening.
The side surface portion has a pair of rectangular parallelepiped bent portions and grooves.
The protruding portion of the instrument accommodating portion protrudes from the groove of the cap side wall and is fixed to the bent portion.
The reflective cap and the cap side wall are characterized by having a hole for inserting a mounting rod in the longitudinal direction.

According to the present invention, it is possible to provide a fixture for a lighting fixture that can be installed flat on a ceiling surface while maintaining strength.

FIG. 1 is a perspective view showing an example of the configuration of a fixture for a lighting fixture of the present invention. FIG. 2 is a perspective view showing an example of a reflective shade in the fixture for a lighting fixture of the present invention. FIG. 3 is a perspective view showing an example of a shade wall in the fixture for a lighting fixture of the present invention. FIG. 4 is a cross-sectional view showing an installation example of the lighting device of the present invention.

Hereinafter, the luminaire fixture and the luminaire of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the following description. In the following FIGS. 1 to 4, the same parts may be designated by the same reference numerals and the description thereof may be omitted. Further, in the drawings, for convenience of explanation, the structure of each part may be shown in a simplified manner as appropriate, and the dimensional ratio of each part may be shown schematically, which is different from the actual one.

[Attachment for lighting equipment]
FIG. 1 is a perspective view showing an example of the configuration of a fixture for a lighting fixture of the present invention. As shown in FIG. 1, the luminaire fixture 1 includes a reflective shade 20 and a pair of shade side walls 30. Since both ends of the luminaire fixture 1 have the same shape, only the left end side of the luminaire fixture is shown in FIG. Next, the reflection cap 20 and the cap side wall 30 will be described with reference to FIGS. 2 and 3.

FIG. 2 shows an example of the reflective shade 20. As shown in FIG. 2, the reflective shade 20 has an instrument accommodating portion 23 and a pair of flat portions 21. As will be described later with reference to FIG. 4, the fixture accommodating portion 23 is embedded in an opening provided in the ceiling for installing the luminaire, and the luminaire is accommodated therein. Each pair of flat portions 21 protrudes from both ends of the reflective shade 20 in the lateral direction and comes into contact with the ceiling outside the opening provided in the ceiling, as will be described later with reference to FIG.

Examples of the material for forming the reflective cap 20 include aluminum and its alloys, magnesium and metals such as its alloys; polycarbonate (PC), resins such as polybutylene terephthalate (PBT); and the like. As the reflective shade 20, for example, one having improved reflection efficiency by subjecting the reflective surface to high-reflection processing such as plating or application of a highly reflective paint may be used. The reflective shade 20 can be formed by, for example, pressing, bending, or the like using the metal. Further, the reflective shade 20 can be formed by, for example, using the resin, a molding method such as punching, injection molding using a die, injection molding, press molding, or a cutting method. However, the material and method for forming the reflective shade 20 are not limited to these examples.

The instrument accommodating portion 23 has, at its longitudinal end, a protruding portion 22 that can protrude from a groove formed in the side surface portion of the cap side wall, which will be described later. Other than that, the shape of the fixture accommodating portion 23 is not limited, and may be any shape as long as the lighting fixture can be accommodated inside. In FIG. 2, the number of protrusions 22 is two on the left end side of the instrument accommodating portion 23, but the number of protrusions 22 may be one on the left end side of the instrument accommodating portion 23, or three or more. You may.

FIG. 3 shows an example of the shade wall 30. The shade wall 30 has, for example, a function of increasing the strength of the fixture 1 for lighting equipment and preventing light leakage. As shown in FIG. 3, the cap side wall 30 has a side surface portion 31 and a flat portion 34. The side surface portions 31 are embedded in the openings provided in the ceiling, as will be described later with reference to FIG. 4, and are arranged at both ends of the reflective shade 20 in the longitudinal direction as shown in FIG. The flat portion 34 is connected to the side surface portion 31 in an L shape, and is in contact with the ceiling outside the opening provided in the ceiling, as will be described later with reference to FIG. The material and method for forming the cap side wall 30 are not particularly limited, and are the same as, for example, the material and method for forming the reflective cap 20.

The side surface portion 31 has a bent portion 32 and a groove 33 formed by bending a bendable notch made in a part thereof on the opposite side (see FIG. 1) to the reflective shade 20. In FIG. 3, the number of the bent portion 32 and the number of the grooves 33 are two, respectively, but the number of the bent portions 32 and the grooves 33 may be the same as the number of the protruding portions 22 of the above-mentioned instrument accommodating portion 23, and may be one. However, it may be three or more. Further, in FIG. 3, the bent portion 32 and the groove 33 have a rectangular parallelepiped shape, but the bent portion 32 and the groove 33 may have any shape as long as the protruding portion 22 of the above-mentioned instrument accommodating portion 23 can be projected. good.

As shown in FIG. 1, the protruding portion 22 of the instrument accommodating portion 23 protrudes from the groove 33 of the cap side wall 30 and is fixed to the bent portion 32. The method for fixing the protruding portion 22 and the bent portion 32 is not particularly limited and may be any method, and examples thereof include screwing and welding. If it is fixed by screwing, it is preferable because it does not cause charring due to welding and does not require painting to hide the charring. When fixing by screwing, as shown in FIGS. 1 to 3, the protruding portion 22 and the bent portion 32 may be provided with holes for screwing, respectively.

The thickness of the flat portion 21 of the reflective shade 20 and the flat portion 34 of the cap side wall 30 is 2 mm or less, respectively. In the lighting fixture attachment 1 of the present invention, as described above, the protruding portion 22 and the bent portion 32 are fixed to each other, thereby ensuring the strength. Therefore, in the lighting fixture fixture 1 of the present invention, the strength can be maintained even if the thickness of the contact portion with the ceiling, which was about 10 mm in the past in order to secure the strength, is flattened to 2 mm or less. be. Therefore, according to the lighting fixture fixture 1 of the present invention, it can be installed flat with the ceiling surface as will be described later with reference to FIG. The thickness may be, for example, 1.5 mm to 2 mm. It should be noted that the adhesion between the protruding portion 22 and the bent portion 32 in the lighting fixture attachment 1 of the present invention can also be applied to a conventional lighting fixture having a thickness of a contact portion with the ceiling of about 10 mm.

The flat portion 21 and the flat portion 34 are preferably configured so that the length of the end portion thereof is about 4 mm, for example, from the viewpoint of preventing bending when installed on the ceiling.

The luminaire attached to the luminaire fixture 1 of the present invention may be any luminaire, and examples thereof include a straight tube type LED (Light Emitting Diode) lamp and a straight tube type fluorescent lamp.

[Lighting device]
The luminaire of the present invention includes a luminaire and a luminaire fixture, wherein the luminaire fixture is the luminaire fixture of the present invention, and the inside of the fixture accommodating portion of the reflective cap. It is characterized in that the lighting equipment is housed.

The cross-sectional view of FIG. 4 shows an installation example of the lighting device of the present invention. As shown in FIG. 4, the luminaire 50 includes a luminaire 42 and a luminaire fixture 1, and the luminaire 42 is housed inside the fixture accommodating portion 23 of the reflector 20. The instrument accommodating portion 23 of the reflective shade 20 and the side surface portions of the cap side wall 30 are embedded in an opening provided in the ceiling 41. The flat portion 21 of the reflective shade 20 and the flat portion of the shade wall 30 (not shown in FIG. 4) are in contact with the ceiling 41 outside the opening. As described above, since the thickness of the flat portion 21 of the reflective shade 20 and the flat portion of the cap side wall 30 are 2 mm or less, the lighting device of the present invention can be installed flat on the ceiling surface. The method of installing the lighting device 50 is not particularly limited and may be any method. The lighting device 50 can be installed, for example, by providing a hole for inserting the mounting rod 40 in the central portion of the reflecting shade 20 and the lighting fixture 42 in the longitudinal direction, as shown in FIG.

According to the present invention, it is possible to provide a fixture for a lighting fixture that can be installed flat on a ceiling surface while maintaining strength. The fixture for a lighting fixture of the present invention can be widely used for various lighting fixtures such as a straight tube type LED lamp and a straight tube type fluorescent lamp.

1 Fixture for lighting equipment 20 Reflective cap 21, 34 Flat part 22 Protruding part 23 Equipment accommodating part 30 Cap side wall 31 Side part 32 Bending part 33 Groove 41 Ceiling 42 Lighting equipment 50 Lighting device

Claims (5)

Includes a reflective shade and a pair of shade walls
The reflective shade is
An fixture storage unit that is embedded in an opening provided in the ceiling for installing lighting fixtures and that houses the lighting fixtures inside.
It has a pair of flat portions protruding from both ends in the lateral direction of the reflective shade and in contact with the ceiling outside the opening.
The longitudinal end of the instrument accommodating portion has a protrusion and
The pair of cap side walls are each
The side surface portions embedded in the opening and arranged at both ends in the longitudinal direction of the reflective shade,
It has a flat portion that is connected to the side surface portion in an L shape and is in contact with the ceiling outside the opening.
The side surface portion has a pair of rectangular parallelepiped bent portions and grooves.
The protruding portion of the instrument accommodating portion protrudes from the groove of the cap side wall and is fixed to the bent portion.
A fixture for a luminaire, wherein the reflective shade and the sidewall of the shade have a hole for inserting a mounting rod in the longitudinal direction. The lighting fixture fixture according to claim 1, wherein a hole for screwing is provided in each of the protruding portion of the fixture accommodating portion and the bent portion of the cap side wall. The edge portion in the lateral direction of the flat portion of the reflective cap has a structure in which the flat portion of the reflective cap is folded back.
The edge portion of the flat portion of the cap side wall has a structure in which the flat portion of the cap side wall is folded back, and the thickness of the flat portion of the reflective cap and the flat portion of the cap side wall is 2 mm or less, respectively. The fixture for lighting equipment according to item 1 or 2. The lighting fixture attachment according to any one of claims 1 to 3, wherein the lighting fixture is a straight tube type LED lamp. Including luminaires and fixtures for luminaires,
The luminaire fixture is the luminaire fixture according to any one of claims 1 to 4, wherein the luminaire is housed inside the fixture accommodating portion of the reflective shade. Lighting equipment.

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