JP2016177960A - Light fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light fitting which enables reduction of the number of components and improvement of the assemblability.SOLUTION: A luminaire 10 has: a luminaire body 11; a light emitting part 12; a resin translucent cover 13; and a shade 15. The luminaire body 11 has: a wiring tool attachment part 23 provided at a center part; and a shade fitting part 22 provided at a periphery part. The light emitting part 12 is provided on a lower surface of the luminaire body 11. The translucent cover 13 has: a cover part 41 covering the light emitting part 12 and attached to the lower surface of the luminaire body 11; and a shade receiving part 46 protruding from the cover part 41 to the shade fitting part 22 of the luminaire body 11. The shade 15 has: an opening edge part 61 which fits in the shade fitting part 22 of the luminaire body 11; and a shade attachment part 62 which is provided in the opening edge part 61 and attached to the shade receiving part 46 by rotation.SELECTED DRAWING: Figure 1

Description

  Embodiments of the present invention relate to a lighting fixture for attaching a shade to a fixture main body by turning.

  Conventionally, in a lighting fixture such as a ceiling light, for example, a wiring fixture mounting portion that is attached to the wiring fixture is provided at the center of the fixture main body, and a shade fitting portion that rotatably fits a shade on the peripheral portion of the fixture main body is provided. Is provided. A light source is disposed on the lower surface side of the instrument body, and a plurality of metal shade receivers are attached to the shade fitting portion.

  In the shade, an opening edge portion is formed that is rotatably fitted to the shade fitting portion of the instrument body, and a plurality of shades that are attached to the opening edge portions by rotation with respect to the respective shade receivers of the instrument body. A mounting portion is provided.

JP-A-11-250718

  Since a plurality of shade receivers are used to attach the shade to the instrument body, the number of parts increases and the number of assembly steps increases.

  The problem to be solved by the present invention is to provide a lighting fixture capable of reducing the number of parts and improving the assemblability.

  The lighting fixture of embodiment has a fixture main body, a light emission part, a resin-made translucent cover, and a shade. The instrument main body has a wiring instrument attachment part provided in the central part and a shade fitting part provided in the peripheral part. The light emitting unit is provided on the lower surface of the instrument body. The translucent cover has a cover part that covers the light emitting part and is attached to the lower surface of the instrument body, and a shade receiving part that projects from the cover part to the shade fitting part of the instrument body. The shade has an opening edge portion that is fitted to the shade fitting portion of the instrument body, and a shade attachment portion that is provided on the opening edge portion and is attached to the shade receiving portion by rotation.

  According to the present invention, it can be expected to reduce the number of parts and improve the assemblability.

It is sectional drawing of the lighting fixture which shows one Embodiment. It is the perspective view which removed the shade of the lighting fixture same as the above. It is the perspective view which removed the shade and the translucent cover of the lighting fixture same as the above. It is a perspective view which shows the lower surface side of the shade of a lighting fixture same as the above. It is a perspective view which shows the upper surface side of the shade of a lighting fixture same as the above.

  Hereinafter, an embodiment will be described with reference to FIGS. 1 to 5.

  As shown in FIG. 1, the lighting fixture 10 is a ceiling light that is attached to a wiring fixture such as a hook ceiling body installed on a fixture mounting surface such as a ceiling surface via an adapter.

  The lighting fixture 10 includes a fixture body 11. A light emitting part 12, a translucent cover 13 that covers the light emitting part 12, and a shade receiver 14 are attached to the lower surface side of the instrument body 11, and a shade 15 that covers the lower surface side of the instrument body 11 is detachable. Attached to. A power supply circuit that supplies power to the light emitting unit 12 is disposed on the upper surface side of the instrument body 11.

  As shown in FIGS. 1 to 3, the instrument main body 11 is made of metal and is formed in a disk shape. A circular opening 20 through which a wiring device can be inserted is formed at the center of the device body 11, and a ring around which the light emitting unit 12 and the translucent cover 13 are attached. A mounting portion 21 is formed, and an annular shade fitting portion 22 in which the shade 15 is rotatably fitted is formed in the peripheral portion of the mounting base portion 21 and in the peripheral portion of the instrument body 11. . And the center part of the instrument main body 11 is comprised as the wiring instrument attachment part 23 attached to a wiring instrument.

  A plurality of planar mounting surfaces 24 are formed on the lower surface of the mounting base 21 along the circumferential direction. In the present embodiment, four mounting surfaces 24 are formed, and each of these mounting surfaces 24 is inclined toward the outer diameter direction. The mounting base portion 21 is formed with a wiring hole 25 through which wiring for electrically connecting the light emitting portion 12 disposed on the lower surface side of the instrument body 11 and the power supply circuit disposed on the upper surface side of the instrument body 11 is formed. Has been.

  The seed fitting portion 22 has an edge portion 26 bent downward from the outer peripheral portion of the instrument main body 11 and is formed by an annular groove portion 27 between the mounting base portion 21 and the edge portion 26.

  Further, the light emitting unit 12 uses a plurality of light emitting modules 32 in which a plurality of light emitting elements 31 are mounted on a substrate 30. The plurality of light emitting modules 32 are respectively attached to the plurality of attachment surfaces 24 of the attachment base portion 21. As the light emitting element 31, an LED, an organic EL, or the like is used.

  In addition, as shown in FIGS. 1, 2, 4 and 5, the translucent cover 13 is integrally formed of translucent resin. The translucent cover 13 has an annular cover portion 41 having an insertion port 40 in the center.

  An annular adapter guide portion 42 attached to the adapter is formed at the center of the cover portion 41, and an annular fixing portion 43 fixed to the lower surface of the instrument body 11 is formed around the adapter guide portion 42. The fixing portion 43 is provided with a plurality of mounting holes 44 for screwing to the instrument body 11.

  Around the fixed portion 43, an annular cover portion 45 is formed so as to integrally cover the inner peripheral side, the lower side, and the outer peripheral side of the mounting base portion 21 of the instrument body 11. The lower surface side of the cover portion 45 is formed in a shape that protrudes downward from the light emitting portion 12 attached to the attachment surface 24 of the instrument body 11, that is, the attachment surface 24, and has a curved cross section in the radial direction.

  A plurality of shade receiving portions 46 protrude from the outer peripheral portion of the translucent cover 13. The shade receiving portion 46 is provided at two of the three locations divided into three equal parts in the circumferential direction of the translucent cover 13. The shade receiving portion 46 has a plate portion 47 that protrudes from the outer peripheral portion of the translucent cover 13 in the outer diameter direction, and a stopper portion 48 is erected at one end in the circumferential direction on the upper surface side of the plate portion 47. A plurality of ribs 49 for reinforcement are provided on the lower surface side of 47. One shade receiving portion 46 is provided with a protrusion 50 on the upper surface of the plate portion 47. Then, the shade receiving part 46 is projected to the shade fitting part 22 of the instrument main body 11 with the translucent cover 13 attached to the instrument main body 11, and has a predetermined distance between the lower surface of the instrument main body 11. The shade 15 is arranged so as to be attached by rotation.

  As shown in FIGS. 2 and 3, the shade receiver 14 is provided at one location of the groove portion 27 of the shade fitting portion 22 of the instrument body 11. With the translucent cover 13 attached to the instrument body 11, two shade receiving portions 46 of the translucent cover 13 are arranged in two of the three places divided into three in the circumferential direction, and the remaining one is in one place. A seed receiver 14 is arranged. The seed receiver 14 is made of metal and is fixed to the instrument body 11 by screws. The seed receiver 14 has a receiving piece 14a. The receiving piece 14a is arranged with a space between the lower surface of the instrument body 11 and the distal end side of the receiving piece 14a faces the circumferential direction of the instrument body 11. Has been placed. The shade receiver 14 is configured such that the shade 15 is attached by rotation.

  Moreover, as shown in FIG. 1 and FIG. 2, the shade 15 is made of translucent resin and is formed, for example, in milky white. An opening 60 is formed on the upper surface side of the shade 15, and an opening edge 61 is formed to be fitted to the shade fitting portion 22 of the instrument body 11.The dome shape is formed so that the lower surface side gently curves and protrudes. Is formed.

  A plurality of shade attaching portions 62 that are attached to the shade receiving portion 46 and the shade receiving tool 14 of the translucent cover 13 by rotation are formed on the inner periphery of the opening edge portion 61. The seed attaching part 62 is arranged at three places divided into three equal parts in the circumferential direction, and is constituted by a bulging part bulging from the opening edge 61 in the inner diameter direction.

  And when installing the lighting fixture 10, the adapter is attached to the wiring fixture installed on the fixture mounting surface, the opening 20 of the fixture main body 11 and the insertion port 40 of the translucent cover 13 are inserted into the adapter, and the adapter The adapter guide part 42 of the translucent cover 13 is engaged with a pair of claws protruding from the side surfaces of the instrument, and the instrument body 11 is placed on the instrument mounting surface. The adapter and the power circuit are electrically connected.

  The shade 15 is covered so as to cover the lower surface side of the instrument body 11, the opening edge 61 of the shade 15 is fitted to the shade fitting part 22 of the instrument body 11, and the shade 15 is attached in a predetermined mounting direction (the arrow direction in FIG. 2). ). Thereby, each shade attaching part 62 of the shade 15 moves on each shade receiving part 46 and the shade receiving tool 14 of the translucent cover 13, respectively, and is caught, and the shade 15 is supported by the instrument main body 11 side. Each of the shades 15 is restricted from rotating in the direction of attachment when each of the shade mounting portions 62 abuts against the stopper portion 48 or the shade receiving tool 14 of each of the shade receiving portions 46 of the translucent cover 13. The rotation in the direction opposite to the mounting direction is restricted by the engagement between 62 and the projection 50 of the shade receiving portion 46 and the engagement with the shade receiving tool 14.

  To remove the shade 15 from the instrument body 11, push up the shade 15 to lift each of the shade mounting portions 62 from the projection 50 of the shade receiving portion 46 or the shade receiving device 14 to release the engagement, and in the opposite direction to the mounting direction Move to.

  As described above, according to the lighting fixture 10 of the present embodiment, since the shade receiving portion 46 can be integrally provided on the translucent cover 13, the shade receiving fixture 14 can be reduced, so that the number of parts of the lighting fixture 10 can be reduced and assembled. It can be expected to improve the performance.

  Furthermore, the support of the shade 15 can be stabilized by adopting a structure in which the shade 15 is attached to the translucent cover 13 that is entirely attached to the instrument body 11 so as to cover the light emitting part 12 of the instrument body 11.

  Further, by using the metal shade receiver 14 together, the shade 15 can be reliably supported without affecting the deterioration of the resin parts.

  Moreover, since the adapter guide part 42 is integrally formed with the shade receiving part 46 in the translucent cover 13, the number of parts can be reduced more and assembly property can be improved.

  The shade 15 may be attached only by the shade receiver 46 formed on the translucent cover 13 without using the shade receiver 14.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

10 Lighting equipment
11 Instrument body
12 Light emitter
13 Translucent cover
14 Sede bracket
15 Sade
22 Seed fitting part
23 Wiring attachment
41 Cover
46 Sede receiving part
61 Opening edge
62 Sade mounting

Claims (2)

A device body having a wiring device mounting portion provided in the central portion and a shade fitting portion provided in the peripheral portion;
A light emitting part provided on the lower surface of the instrument body;
A resin-made translucent cover having a cover part that covers the light emitting part and is attached to the lower surface of the instrument body, and a shade receiving part that projects from the cover part to the shade fitting part of the instrument body;
An opening edge fitted to the shade fitting part of the instrument body, and a shade having a shade attachment part provided at the opening edge and attached to the shade receiving part by rotation;
The lighting fixture characterized by comprising. The lighting fixture according to claim 1, further comprising: a metal shade receiver provided on the shade fitting portion of the fixture main body to which the shade attaching portion of the shade is attached by rotation.

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