JP2005243255A - Lighting fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lighting fixture capable of preventing rotation of a lighting fixture main body at a ceiling face, securing stable and easily detachable engagement properties of a cover. <P>SOLUTION: The lighting fixture 1 is composed of a lighting fixture main body 3 mounted on a wiring fixture 2 arranged on the ceiling, and a cover 5 arranged so as to cover a front face 4 of the lighting fixture main body 3, attached and detached by rotation. The lighting fixture main body 3 can be surely and stably fixed on the ceiling face for a long time without any change with the passage of time and rotation of the lighting fixture on the ceiling is prevented as a lighting fixture main body rotation preventing rise part 7 is formed on a ceiling side face 6 of the lighting fixture main body 3, and the rise part 7 is supported by a leaf spring from the front face side of the lighting fixture main body. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a lighting fixture (ceiling light) that can prevent rotation on a ceiling surface of a lighting fixture main body, and can easily attach and detach a stable cover.

  For example, in the conventional lighting fixture (ceiling light) 1a (see FIG. 6) attached to the wiring fixture 2 arranged on the ceiling 10, as shown in FIG. 7, the ceiling-side surface 6a of the lighting fixture main body 3a is elastic. A packing 15 formed of a member is provided (for example, see Japanese Patent Laid-Open No. 10-154413) and the like to prevent rotation on the ceiling surface of the lighting fixture body 3a. However, in such a lighting fixture 1a, thermal deterioration of the packing 15 due to continuous use, reduction in stretchability due to this, discoloration of the ceiling material, and the like have been problems.

On the other hand, in such a conventional lighting fixture 1a, the engaging portion 14a of the cover 5 of the lighting fixture body 3a is formed as a separate part, and the sound of the leaf spring at the time of fitting is confirmed for confirmation of the fitting property of the cover 5. It could only be done indirectly. In addition, problems such as abnormal noise generated due to friction between the cover 5 and the luminaire main body 3a, and the friction between the cover 5 and the luminaire main body side engaging portion 14a of the cover 5 should be solved. Was left as.
Japanese Patent Laid-Open No. 10-154413

  The present invention has been invented in view of the above-described background art, and its problem is to provide a lighting fixture that can prevent rotation on the ceiling surface of the lighting fixture main body, and can easily attach and detach, and can secure stable fitting. There is to do.

  In order to solve the above-described problem, the lighting fixture according to the first aspect of the present invention is arranged so that the lighting fixture main body attached to the wiring fixture disposed on the ceiling and the front surface of the lighting fixture main body are substantially covered. A lighting fixture provided with a cover that is installed and removed by being rotated, the lighting fixture main body rotation prevention cut and raised piece is provided on the ceiling side surface of the lighting fixture main body, and the lighting fixture main body The anti-rotation cut-and-raised piece is supported by a leaf spring from the front side of the luminaire main body.

  In the lighting fixture of the invention according to claim 2, in the lighting fixture according to claim 1, a cover locking cut and raised piece is provided on the front surface of the lighting fixture body, and the cover locking cut and raised piece is provided. However, it is supported by the extension part of the said leaf | plate spring from the said lighting fixture main body front side.

  In the lighting fixture of the invention according to claim 3, in the lighting fixture according to claim 1 or 2, the lighting fixture body is formed using a resin material. .

  The luminaire of the present invention includes a luminaire main body attached to a wiring fixture disposed on the ceiling, and a cover that is disposed so as to substantially cover the front surface of the luminaire main body and is attached by being rotated. In the lighting fixture provided, the lighting fixture main body rotation prevention cut and raised piece is provided on the ceiling side surface of the lighting fixture main body, and the lighting fixture main body rotation prevention cutting and raising piece is provided on the front side of the lighting fixture main body. Therefore, the luminaire body can be securely fixed to the ceiling surface without change over time, and rotation prevention on the ceiling surface of the luminaire body can be achieved stably over a long period of time.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the lighting fixture of this invention is not limited only to the following embodiment, Of course, a various change can be added in the range which does not deviate from the summary of this invention. Here, FIG. 1 is an exploded perspective view schematically showing a main part of the configuration of the lighting fixture 1 according to the embodiment of the present invention. FIG. 2 is a diagram schematically showing how the cover 5 is mounted in the lighting fixture 1 according to the embodiment of the present invention. FIG. 3 schematically shows a main part of the configuration of the luminaire main body 3 in the luminaire 1 according to the embodiment of the present invention, and (a) is a perspective view schematically showing the ceiling-side surface 6. FIG. 2B is a perspective view showing an outline of the front surface 4. FIG. 4 is an enlarged view of a portion A in FIG. FIG. 5 shows an outline of the arrangement of the lighting fixture main body rotation prevention cut and raised piece 7, the cover locking cut and raised piece 9, and the leaf spring 8 in the lighting fixture main body 3 of the lighting fixture 1 according to the embodiment of the present invention. FIG.

  That is, as shown in FIGS. 1 and 2, the luminaire 1 of the present embodiment includes a luminaire main body 3 that is attached to a wiring fixture 2 disposed on the ceiling 10 via an adapter 12, and the luminaire main body 3. It is a lighting fixture (ceiling light) provided with the cover 5 which is arrange | positioned so that the front surface 4 of this may be covered substantially, and is rotated and removed.

  Specifically, as shown in FIG. 2, the lighting fixture 1 according to the present embodiment is attached after the lighting fixture body 3 is locked to the adapter 12, and then the cover 5 is lifted together with the lighting fixture body 3. (For example, in the direction of the horizontal arrow in FIG. 2) to be locked by a cover locking cut and raised piece 9, which will be described later, which is the luminaire main body side engaging portion 14.

  Furthermore, as shown in FIG. 3, in the lighting fixture 1 of this embodiment, the lighting fixture main body rotation prevention cut-and-raised piece 7 is provided on the ceiling-side surface 6 of the lighting fixture main body 3, and this lighting fixture main body rotation prevention is provided. The cut-and-raised piece 7 is supported by a leaf spring 8 from the front surface 4 side of the luminaire main body 3. The lighting fixture main body 3 and the lighting fixture main body rotation prevention cut-and-raised piece 7 are made of, for example, the lighting fixture main body 3 made of metal, and the lighting fixture main body rotation prevention and raising piece 7 is used as the lighting fixture main body 3. Therefore, as a matter of course, it can be formed by a method such as cutting and raising, but preferably, the lighting fixture body 3 and the lighting fixture main body rotation prevention cut and raised piece 7 are integrally formed using a resin molding material. It can be manufactured as a molded product at low cost, and in this embodiment, it is formed as an integrally molded product using a resin molding material. In this case, the luminaire main body rotation prevention cut-and-raised piece 7 is supported and reinforced by the leaf spring 8 from the front surface 4 side of the luminaire main body 3, and is firmly crimped and fixed to the ceiling surface. Furthermore, by making the upper surface of the cut and raised piece 7 for preventing rotation of the luminaire main body into the concavo-convex surface 13 (see FIG. 4), it can be more firmly crimped and fixed to the ceiling surface. As a result, problems such as thermal deterioration of the packing 15 due to continued use in the above-described conventional lighting fixture 1a, a decrease in stretchability due to this, and discoloration of the ceiling material can be reliably avoided. Thus, it can be reliably fixed to the ceiling surface without change over time, and rotation prevention on the ceiling surface of the lighting fixture body 3 can be achieved stably for a long period of time.

  On the other hand, in the lighting fixture 1 of this embodiment, the cover locking cut and raised piece 9 is provided on the front surface 4 of the lighting fixture main body 3, and the cover locking cut and raised piece 9 is provided on the front surface 4 of the lighting fixture main body 3. From the side, it is supported by the extending portion 11 of the leaf spring 8. This cover locking cut and raised piece 9 can be manufactured as an integrally molded product using a resin molding material together with the lighting fixture main body 3 as in the case of the lighting fixture main body rotation preventing and raised piece 7. is there. In this case, the luminaire main body rotation prevention cut-and-raised piece 7 is supported and reinforced by the leaf spring 8 (the extending portion 11 thereof) from the front surface 4 side of the luminaire main body 3. As a result, unlike the above-described conventional lighting apparatus 1a, the cover 5 can be easily attached and detached with respect to the cover-engaging cut-and-raised piece 9, and the stable fitting property of the cover 5 can be secured. The fitting can be recognized by the operability when the cover 5 is attached / detached.

  Furthermore, in the lighting fixture 1 of this embodiment, since the lighting fixture main body 3 is formed using a resin material as described above, the resin cover 5 and the lighting fixture main body 3 (or the lighting fixture main body side) are used. As a result of the difference in the coefficient of thermal expansion with the cover locking cut-and-raised piece 9) which is the engaging portion 14, it is possible to prevent the occurrence of problems such as abnormal noise due to friction with the cover 5. . Thus, the lighting fixture body 3, the lighting fixture body rotation prevention cut-and-raised piece 7 and the cover locking cut-and-raised piece 9 are formed as an integrally molded product using a resin molding material, and this illumination The device body rotation prevention cut and raised piece 7 and the cover locking cut and raised piece 9 can be reinforced by a single leaf spring 8 (and its extension 11) (see FIG. 5), so assembly during manufacture Processing becomes easy and can contribute to the reduction of the number of parts. There are no particular restrictions on the number, shape, location, etc. of the lighting fixture body rotation prevention cut-and-raised piece 7, cover locking cut-and-raised piece 9 and leaf spring 8, and this contributes to the solution of the above problems. There is no limitation as long as it is obtained.

It is a disassembled perspective view which shows roughly the principal part of a structure of the lighting fixture 1 which is one Embodiment of this invention. It is a figure which shows roughly the mode of mounting | wearing of the cover 5 in the lighting fixture 1 which is one Embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS The main part of the structure of the lighting fixture main body 3 in the lighting fixture 1 which is one Embodiment of this invention is shown roughly, (a) is a perspective view which shows the outline of the surface 6 of a ceiling side, (b) is FIG. 3 is a perspective view showing an outline of a front surface 4. It is the figure which expanded the part of A in Fig.3 (a). Sectional drawing which shows the outline of arrangement | positioning of the lighting fixture main body rotation prevention cut-and-raised piece 7, the cover latching cut-and-raised piece 9, and the leaf | plate spring 8 in the lighting fixture main body 3 of the lighting fixture 1 which is one Embodiment of this invention. It is. It is a figure which shows roughly the mode of mounting | wearing with the cover 5 in the lighting fixture 1a which concerns on a prior art example. It is a perspective view which shows roughly the principal part of a structure of the lighting fixture main body 3a in the lighting fixture 1a which concerns on a prior art example.

Explanation of symbols

1 Lighting fixture 1a Lighting fixture (conventional example)
2 Wiring equipment 3 Lighting equipment body (Lighting equipment 1)
3a Lighting equipment body (Lighting equipment 1a)
4 Front (Lighting fixture body 3)
5 covers 6 surfaces (lighting fixture body 3, ceiling side)
6a side (lighting fixture body 3a, ceiling side)
7 Luminaire body rotation prevention cut and raised piece (luminaire body 3)
8 Leaf spring 9 Cut and raised piece for cover locking (lighting fixture body 3)
10 Ceiling 11 Extension part (leaf spring 8)
12 Adapter 13 Concavity and convexity (Lighting fixture body rotation prevention piece 7 for preventing rotation)
14 Engagement part (luminaire main body 3)
14a Engagement part (luminaire main body 3a)
15 Packing (Lighting fixture body 3a)
16 hole 17 hole

Claims (3)

  In a lighting fixture comprising: a lighting fixture main body attached to a wiring fixture arranged on the ceiling; and a cover that is arranged so as to substantially cover the front surface of the lighting fixture main body and is attached and detached by being rotated. The lighting fixture main body rotation prevention cut and raised piece is provided on the ceiling side surface of the lighting fixture main body, and the lighting fixture main body rotation prevention cut and raised piece is supported by a leaf spring from the front side of the lighting fixture main body. A lighting apparatus characterized by having   A cover locking cut and raised piece is provided on the front surface of the luminaire main body, and the cover locking cut and raised piece is supported by the extending portion of the leaf spring from the front side of the luminaire main body. The lighting fixture according to claim 1.   The luminaire according to claim 1 or 2, wherein the luminaire main body is formed using a resin material.

Images