JP5849213B2 - lighting equipment - Google Patents

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Publication number
JP5849213B2
JP5849213B2 JP2012029736A JP2012029736A JP5849213B2 JP 5849213 B2 JP5849213 B2 JP 5849213B2 JP 2012029736 A JP2012029736 A JP 2012029736A JP 2012029736 A JP2012029736 A JP 2012029736A JP 5849213 B2 JP5849213 B2 JP 5849213B2
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light source
instrument body
cover
source cover
plane
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JP2013168246A (en
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徹人 秋月
徹人 秋月
秀彦 加藤
秀彦 加藤
茂樹 奥代
茂樹 奥代
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

本発明は、防虫性を考慮した照明器具に関するものである。   The present invention relates to a lighting fixture that takes into account insect-proofing properties.

従来より、防虫を図る構造が提案されている（例えば、特許文献１参照）。
図９（Ａ）、（Ｂ）に示すように、特許文献１に記載の防虫止具１００は、器具本体１０１の天井面１０３側に載置されて周縁部１０２が天井面１０３に当接する皿状を呈しており、中央に孔部１０４を有する。
また、器具本体１０１はシーリング貫通孔１０５を有しており、このシーリング貫通孔１０５の縁部に嵌合するリング部１０６が、孔部１０４の縁部に形成されている。また、器具本体１０１におけるシーリング貫通孔１０５の周囲には、大径部および小径部を有するだるま形状の取付孔１０７が設けられている。
なお、防虫止具１００における孔部１０４の外側には、取付孔１０７と同形状の挿通孔１１１が設けられている。 Conventionally, a structure for preventing insects has been proposed (see, for example, Patent Document 1).
As shown in FIGS. 9A and 9B, the insect repellent 100 described in Patent Document 1 is placed on the ceiling surface 103 side of the instrument main body 101 so that the peripheral edge 102 comes into contact with the ceiling surface 103. It has a shape and has a hole 104 in the center.
In addition, the instrument body 101 has a sealing through hole 105, and a ring portion 106 that fits into the edge of the sealing through hole 105 is formed at the edge of the hole 104. Further, around the sealing through hole 105 in the instrument main body 101, a daruma-shaped attachment hole 107 having a large diameter portion and a small diameter portion is provided.
In addition, an insertion hole 111 having the same shape as the attachment hole 107 is provided on the outside of the hole 104 in the insect repellent 100.

天井面１０３には、埋込ローゼット１０８が取り付けられており、埋込ローゼット１０８の耳部１０９に取り付けられた取付ねじ１１０の頭部を、器具本体１０１の取付孔１０７の大径部から挿入して小径部に移動させて係止する。
そして、取付ねじ１１０を締めることにより、器具本体１０１を天井面１０３側に押し付けて、器具本体１０１の外周縁部が天井面１０３に当接して、固定される。 An embedded rosette 108 is attached to the ceiling surface 103, and the head of the mounting screw 110 attached to the ear portion 109 of the embedded rosette 108 is inserted from the large diameter portion of the mounting hole 107 of the instrument body 101. Then move to the small diameter part and lock.
Then, by tightening the mounting screw 110, the instrument main body 101 is pressed against the ceiling surface 103, and the outer peripheral edge of the instrument main body 101 abuts on the ceiling surface 103 and is fixed.

実開平１−１６４６１３号公報（第１図、第８図）Japanese Utility Model Publication No. 1-164613 (FIGS. 1 and 8)

しかしながら、前述した特許文献１に記載の防虫止具は、器具本体の外周縁部と天井面との隙間から器具本体内部に虫が侵入するのを防止できるものの、部品点数が多く、構造が複雑であるという問題があった。   However, although the insect repellent described in Patent Document 1 described above can prevent insects from entering the inside of the instrument body through the gap between the outer peripheral edge of the instrument body and the ceiling surface, the number of parts is large and the structure is complicated. There was a problem of being.

本発明は、従来の問題を解決するためになされたもので、簡易な構造により、虫等の浸入を防止できる照明器具を提供することを目的とする。   The present invention has been made to solve the conventional problems, and an object of the present invention is to provide a lighting apparatus that can prevent insects and the like from entering with a simple structure.

本発明の照明器具は、被取付部の被取付面に対向する第１の平面を有する第１部分と、前記第１部分の端部に連接されて前記第１部分の端部から下方へと延び、前記第１の平面に連続する外周面を有し、かつ前記外周面の、前記第１の平面に連続する部分が上に凸の曲面である第２部分と、前記第１部分よりも下方に位置し、かつ第２の平面を有する第３部分と、を備え、かつ、被取付部の被取付面に取り付けるための取付金具が中央に設けられる器具本体と、前記器具本体の前記中央から離れる側である外側に光を出射し、かつ前記器具本体の前記外周面の外側に設けられる光源と、前記器具本体に取り付けられ、前記光源の上方、および前記光源から光が出射される側の側方を覆い、かつ透光性を有する光源用カバーと、有し、前記光源用カバーは、前記器具本体の前記第３部分における前記第２の平面に面接触されると共に、前記器具本体への、締結手段による取り付けに使用される接触面を有する光源用カバーの第１部分と、前記光源用カバーの第１部分の端部に連接されると共に、上方に延びる光源用カバーの第２部分と、前記光源用カバーの第２部分の上端部に連接されると共に、前記被取付面に対向し、かつ前記器具本体の前記第２部分に近づくように延びる光源用カバーの第３部分と、前記光源用カバーの第３部分の、前記器具本体の前記第２部分に近い側の端部に連接されると共に、断面形状が略Ｖ字状である凹部からなり、かつ、前記凹部の下側の表面が曲面である光源用カバーの第４部分と、を有し、前記光源用カバーの第４部分における、前記凹部の、曲面である下側の表面を、前記器具本体の前記第２部分における前記外周面の、前記第１の平面に連続する部分の上に凸の曲面に沿わせることにより、前記凹部の、曲面である下側の表面と前記外周面の、前記第１の平面に連続する部分における上に凸の曲面とを面接触させ、かつ前記光源は、前記器具本体と前記光源用カバーとによって囲まれる空間内に位置するものである。 The lighting fixture according to the present invention includes a first portion having a first flat surface facing a mounted surface of the mounted portion, and is connected to an end portion of the first portion and downward from the end portion of the first portion. A second portion that extends and has an outer peripheral surface that is continuous with the first plane, and a portion of the outer peripheral surface that is continuous with the first plane is an upwardly convex curved surface, and more than the first portion located below, and a third portion having a second plane, comprising a and a fixture main body mounting bracket of the order attached to the attachment surface of the attachment portion is provided at the center, the said instrument body the light emitted to the outside is the side away from the center, and a light source provided on the outside of the outer circumferential surface of the instrument body, is attach to the instrument body, above the light source, and light emitted from the light source a cover for a light source that covers the lateral side and has a translucency that is, has the light source The cover is in surface contact with the second plane of the third portion of the instrument body and has a first surface of the light source cover having a contact surface used for attachment to the instrument body by fastening means; And connected to the end of the first portion of the light source cover, connected to the second portion of the light source cover extending upward, and to the upper end of the second portion of the light source cover, and to be attached A third portion of the light source cover facing the surface and extending so as to approach the second portion of the instrument body; and a third portion of the light source cover on a side close to the second portion of the instrument body. And a fourth portion of the light source cover, which is connected to the end portion, is formed of a concave portion having a substantially V-shaped cross section, and a lower surface of the concave portion is a curved surface. The curvature of the recess in the fourth part of the cover The lower surface is a curved surface of the concave portion by causing the lower surface to follow a convex curved surface on a portion of the outer peripheral surface of the instrument main body that is continuous with the first plane. An upper convex surface in a portion continuous with the first plane of the outer surface and the outer peripheral surface is brought into surface contact, and the light source is in a space surrounded by the instrument body and the light source cover. it is shall be located in.

本発明は、器具本体とカバーとの間の一対の接触面で取り付けられており、そのうちの少なくとも一方は、断面方向にある程度の長さで少なくとも線接触しているので、器具本体とカバーとが確実に接触することになり、防虫のために別部材を設けることなく、簡易な構造で、器具本体とカバーとの間から虫等が浸入するのを確実に防止できるという効果を有する照明器具を提供できる。   The present invention is attached with a pair of contact surfaces between the instrument body and the cover, and at least one of them is at least in line contact with a certain length in the cross-sectional direction. A lighting fixture that has an effect of reliably preventing insects and the like from entering between the fixture main body and the cover with a simple structure without providing a separate member for preventing insects because of reliable contact. Can be provided.

（Ａ）は本発明に係る実施形態の照明器具の断面図であり、（Ｂ）は下方から見た底面図(A) is sectional drawing of the lighting fixture of embodiment which concerns on this invention, (B) is the bottom view seen from the downward direction 本発明に係る実施形態の照明器具の分解斜視図The disassembled perspective view of the lighting fixture of embodiment which concerns on this invention 本発明に係る実施形態の照明器具を上方から見た分解斜視図The exploded perspective view which looked at the lighting fixture of embodiment which concerns on this invention from upper direction 図２中ＩＶ部分の拡大図Enlarged view of part IV in Fig. 2 図２中Ｖ部分の拡大図Enlarged view of portion V in FIG. （Ａ）はアッパーユニット用カバーの平面図であり、（Ｂ）は（Ａ）中Ｂ−Ｂ位置の断面図(A) is a top view of the cover for upper units, (B) is sectional drawing of the BB position in (A). （Ａ）は本発明に係る実施形態の照明器具の断面図であり、（Ｂ）は（Ａ）中Ｂ部分の拡大図(A) is sectional drawing of the lighting fixture of embodiment which concerns on this invention, (B) is an enlarged view of B part in (A). アッパーユニット用カバーと器具本体との取付部の別の例を示す断面図Sectional drawing which shows another example of the attachment part of the cover for upper units, and an instrument main body （Ａ）は器具本体に取り付けられた従来の防虫止具の要部断面図であり、（Ｂ）は防虫止具の分解斜視図(A) is principal part sectional drawing of the conventional insect repellent stopper attached to the instrument main body, (B) is an exploded perspective view of an insect repellent stopper

以下、本発明に係る実施形態の照明器具について、図面を用いて説明する。
なお、以下の説明においては、照明器具を被取付面に取り付けて下方を照明する場合について説明する。従って、特に示す場合を除き、上（上方、上側等）は天井面側を意味し、下（下方、下側等）は床面側を意味する。 Hereinafter, the lighting fixture of embodiment which concerns on this invention is demonstrated using drawing.
In addition, in the following description, the case where a lighting fixture is attached to a to-be-attached surface and the downward direction is illuminated is demonstrated. Therefore, unless otherwise indicated, upper (upper, upper, etc.) means the ceiling surface side, and lower (lower, lower, etc.) means the floor surface side.

図１（Ａ）および（Ｂ）に示すように、本発明に係る第１実施形態の照明器具１０は、被取付部である天井面１１等に取り付けられて主に下方を照明するのに適する。
図２にも示すように、照明器具１０は、天井面１１に取り付けられている引っ掛けシーリング１２に取り付けるための取付金具２１を中央に有する例えば円板状の器具本体２０を有する。
なお、器具本体２０の外周には、円環状の枠体２２が設けられており、枠体２２には補助光源７０が設けられている。 As shown to FIG. 1 (A) and (B), the lighting fixture 10 of 1st Embodiment which concerns on this invention is attached to the ceiling surface 11 grade | etc., Which is a to-be-attached part, and is suitable for mainly illuminating the downward direction. .
As shown also in FIG. 2, the luminaire 10 includes, for example, a disk-shaped luminaire main body 20 having an attachment fitting 21 for attachment to the hook ceiling 12 attached to the ceiling surface 11.
An annular frame 22 is provided on the outer periphery of the instrument body 20, and an auxiliary light source 70 is provided on the frame 22.

器具本体２０の上側（すなわち、天井面１１側）には、アッパーユニット（光源）３０、上枠３２およびアッパーユニット用カバー（カバー）６０が設けられている（図３参照）。
また、器具本体２０の下側（すなわち、照明方向側）には、主光源であるロアーユニット４０およびロアーユニット４０用の光学部材であるレンズ４３が設けられている。 An upper unit (light source) 30, an upper frame 32, and an upper unit cover (cover) 60 are provided on the upper side of the instrument body 20 (that is, on the ceiling surface 11 side) (see FIG. 3).
Further, a lower unit 40 that is a main light source and a lens 43 that is an optical member for the lower unit 40 are provided on the lower side of the instrument body 20 (that is, on the illumination direction side).

図２に示すように、ロアーユニット４０は、器具本体２０の円形を複数個（ここでは、例えば４個）に分割した部分円弧状の基板４１を有しており、各基板４１には、複数のＬＥＤ４２が実装されている。
各ロアーユニット４０は、下方に向けて光を照射する。 As shown in FIG. 2, the lower unit 40 includes a partial arc-shaped substrate 41 in which the circular shape of the instrument body 20 is divided into a plurality of pieces (here, for example, four pieces). LED 42 is mounted.
Each lower unit 40 irradiates light downward.

図２に示すように、ロアーユニット４０の前方には、ロアーユニット４０が発した光を受けて光を拡散する透光性のパネル５０が設けられている。
パネル５０は、下方に湾曲した曲面形状をしている。 As shown in FIG. 2, a translucent panel 50 that receives light emitted from the lower unit 40 and diffuses the light is provided in front of the lower unit 40.
The panel 50 has a curved shape curved downward.

図１（Ａ）、（Ｂ）および図２に示すように、枠体２２は円環状をしており、内部にはパネル５０が嵌まる空間２２１を有する。
枠体２２の表面２２２は、中心に向かって下方へ傾斜しており、所定間隔（ここでは、中心角１２０度）で、補助光源７０用の開口部２２３が設けられている。開口部２２３は、枠体２２の外形に対応して、湾曲して設けられている。
また、枠体２２の表面２２２には、センサ用開口２２４、動作表示ランプ用開口２２５および状態表示ランプ用開口２２６が設けられている。
なお、センサ２４１、動作表示ランプ２４２および状態表示ランプ２４３は、器具本体２０に取り付けられているブラケット２４に取り付けられている（図２参照）。 As shown in FIGS. 1A, 1B, and 2, the frame body 22 has an annular shape, and has a space 221 in which the panel 50 is fitted.
A surface 222 of the frame body 22 is inclined downward toward the center, and an opening 223 for the auxiliary light source 70 is provided at a predetermined interval (here, a central angle of 120 degrees). The opening 223 is provided in a curved shape corresponding to the outer shape of the frame body 22.
Further, a sensor opening 224, an operation display lamp opening 225, and a state display lamp opening 226 are provided on the surface 222 of the frame 22.
The sensor 241, the operation display lamp 242 and the status display lamp 243 are attached to a bracket 24 attached to the instrument body 20 (see FIG. 2).

図４に示すように、補助光源７０は、ＬＥＤ７１を実装した基板７２と、基板７２を取り付ける取付板７３と、ＬＥＤ７１の前方を覆う補助光源用レンズ７４を有する。
基板７２、取付板７３および補助光源用レンズ７４は、枠体２２の外形（円形）に合わせて湾曲している。
また、補助光源用レンズ７４の表面７４１は、枠体２２の表面２２２に沿った形状として、枠体２２の表面２２２から突出しないようにする。 As shown in FIG. 4, the auxiliary light source 70 includes a substrate 72 on which the LED 71 is mounted, a mounting plate 73 to which the substrate 72 is attached, and an auxiliary light source lens 74 that covers the front of the LED 71.
The substrate 72, the mounting plate 73, and the auxiliary light source lens 74 are curved in accordance with the outer shape (circular shape) of the frame body 22.
Further, the surface 741 of the auxiliary light source lens 74 has a shape along the surface 222 of the frame body 22 so as not to protrude from the surface 222 of the frame body 22.

図３に示すように、器具本体２０の外周面２０３（図７（Ｂ）参照）の外側の上面には、複数個（ここでは、例えば４個）のアッパーユニット３０が、所定間隔で設けられている。
アッパーユニット３０は、透光性を有するアッパーユニット用カバー６０により上から覆われている。 As shown in FIG. 3, a plurality of (for example, four) upper units 30 are provided at predetermined intervals on the outer upper surface of the outer peripheral surface 203 (see FIG. 7B) of the instrument body 20. ing.
The upper unit 30 is covered from above with an upper unit cover 60 having translucency.

図５に示すように、アッパーユニット３０は、ＬＥＤ３３を実装する基板３４と、基板３４を器具本体２０の上面に取り付けるための取付具３５と、ＬＥＤ３３の前面を覆うレンズ３６を有する。
取付具３５は全体Ｌ字形状をしており、基板３４およびレンズ３６を、器具本体２０の上面に直交するように取り付ける。
従って、ＬＥＤ３３からの光は、アッパーユニット用カバー６０を通して、器具本体２０の上面と平行に外側へ向けて出射される。 As shown in FIG. 5, the upper unit 30 includes a substrate 34 on which the LED 33 is mounted, a mounting member 35 for attaching the substrate 34 to the upper surface of the instrument body 20, and a lens 36 that covers the front surface of the LED 33.
The fixture 35 is generally L-shaped, and the substrate 34 and the lens 36 are attached so as to be orthogonal to the upper surface of the instrument body 20.
Therefore, the light from the LED 33 is emitted outward through the upper unit cover 60 in parallel with the upper surface of the instrument body 20.

図６（Ａ）、（Ｂ）に示すように、アッパーユニット用カバー６０は、全体略円環形状を呈しており、中心部には、天井面１１に取り付けられている引っ掛けシーリング１２および器具本体２０の取付金具２１を収容する空間６０１を有する。
また、アッパーユニット用カバー６０は、天井面１１に対向する上面６１と、上面６１の外周縁から下方に延びて器具本体２０の上面２０１に当接する外周壁６２を有する。 As shown in FIGS. 6 (A) and 6 (B), the upper unit cover 60 has a substantially annular shape as a whole, and the hook ceiling 12 attached to the ceiling surface 11 and the instrument main body at the center. It has a space 601 for accommodating 20 mounting brackets 21.
The upper unit cover 60 has an upper surface 61 that faces the ceiling surface 11 and an outer peripheral wall 62 that extends downward from the outer peripheral edge of the upper surface 61 and contacts the upper surface 201 of the instrument body 20.

図６（Ａ）、（Ｂ）および図７（Ａ）、（Ｂ）に示すように、アッパーユニット用カバー６０の上面６１の内周縁部には、下方に凹む凹部６３が全周にわたって設けられている。
図７（Ｂ）に示すように、凹部６３は、器具本体２０側の内壁６３１と、アッパーユニット３０側の外壁６３２とで、略Ｖ字状に形成されるので、強度が増す。内壁６３１の外側面は、上側に向かって凸形状の円弧面（接触面）６３３が形成されている。
また、外周壁６２の下端には、外側に延びる平面部（接触面）６４が設けられている。 As shown in FIGS. 6 (A), (B) and FIGS. 7 (A), (B), the inner peripheral edge portion of the upper surface 61 of the upper unit cover 60 is provided with a recessed portion 63 that is recessed downward. ing.
As shown in FIG. 7B, the recess 63 is formed in a substantially V shape by the inner wall 631 on the instrument body 20 side and the outer wall 632 on the upper unit 30 side, so that the strength is increased. On the outer surface of the inner wall 631, a circular arc surface (contact surface) 633 that is convex upward is formed.
Further, a flat portion (contact surface) 64 extending outward is provided at the lower end of the outer peripheral wall 62.

一方、器具本体２０の外周面２０３の上端部２０４は、円弧状に屈曲されている。
このため、アッパーユニット用カバー６０を器具本体２０に取り付けると、アッパーユニット用カバー６０の凹部６３の円弧面６３３が、器具本体２０の外周面２０３の円弧状の上端部２０４に面接触する。
このとき、平面部６４を器具本体２０に対して、締結手段で確実に取り付けることにより、円弧面６３３を器具本体２０に確実に押し付けることができる。
なお、この円弧状の面接触は、全周で接触する場合に限らない。一部面接触が途切れる場合には、途切れた部分に防虫シート等を設けて補う。 On the other hand, the upper end portion 204 of the outer peripheral surface 203 of the instrument body 20 is bent in an arc shape.
For this reason, when the upper unit cover 60 is attached to the instrument main body 20, the arc surface 633 of the recess 63 of the upper unit cover 60 comes into surface contact with the arc-shaped upper end portion 204 of the outer peripheral surface 203 of the instrument main body 20.
At this time, the arcuate surface 633 can be reliably pressed against the instrument body 20 by securely attaching the flat surface portion 64 to the instrument body 20 by the fastening means.
Note that this arc-shaped surface contact is not limited to the case of contact on the entire circumference. If contact with a part of the surface is interrupted, an insect repellent sheet or the like is provided for the interrupted part.

また、アッパーユニット用カバー６０の外周壁６２の下端の平面部６４は、器具本体２０の上面２０１に面接触する。
これにより、虫等がアッパーユニット用カバー６０の内部に侵入するのを防止する。
なお、図８に示すように、アッパーユニット用カバー６０の平面部６４と器具本体２０の上面２０１との間に、防虫パッキン６５を設けると、一層防虫効果が向上する。 Further, the flat surface portion 64 at the lower end of the outer peripheral wall 62 of the upper unit cover 60 is in surface contact with the upper surface 201 of the instrument body 20.
This prevents insects and the like from entering the upper unit cover 60.
In addition, as shown in FIG. 8, if the insect-proof packing 65 is provided between the plane part 64 of the cover 60 for upper units, and the upper surface 201 of the instrument main body 20, an insect-proof effect will improve further.

以上、説明した本発明に係る実施形態の照明器具１０によれば、天井面１１に取り付けられる器具本体２０の外周縁に沿って設けられている外周面２０３の外側には、アッパーユニット３０が取り付けられている。また、器具本体２０には、アッパーユニット３０を覆うアッパーユニット用カバー６０が取り付けられている。
そして、器具本体２０とアッパーユニット用カバー６０との間の一対の接触面のうちの少なくとも一方は、断面方向にある程度の長さで円弧面６３３で接触しており、他方は平面部６４により平面接触している。従って、円弧面６３３を器具本体に押し付けることができ、器具本体２０とアッパーユニット用カバー６０とが確実に接触する。
このため、防虫のために別部材を設けることなく、簡易な構造で、器具本体２０とアッパーユニット用カバー６０との間から虫等が浸入するのを、確実に防止できる。
また、アッパーユニット用カバー６０に円弧面６３３を設けたので、アッパーユニット用カバー６０の強度が増す。 As mentioned above, according to the lighting fixture 10 of embodiment which concerns on this invention demonstrated above, the upper unit 30 is attached to the outer side of the outer peripheral surface 203 provided along the outer periphery of the fixture main body 20 attached to the ceiling surface 11. FIG. It has been. An upper unit cover 60 that covers the upper unit 30 is attached to the instrument body 20.
At least one of the pair of contact surfaces between the instrument main body 20 and the upper unit cover 60 is in contact with the arc surface 633 with a certain length in the cross-sectional direction, and the other is planarized by the plane portion 64. In contact. Therefore, the arcuate surface 633 can be pressed against the instrument body, and the instrument body 20 and the upper unit cover 60 are in reliable contact.
For this reason, it is possible to reliably prevent insects and the like from entering between the instrument main body 20 and the upper unit cover 60 with a simple structure without providing a separate member for preventing insects.
Further, since the arc surface 633 is provided on the upper unit cover 60, the strength of the upper unit cover 60 is increased.

なお、本発明の照明器具１０は、前述した実施形態に限定されるものでなく、適宜な変形、改良等が可能である。
例えば、前述した実施形態においては、一方の接触面を円弧面６３３による円弧面接触とし、他方の接触面を平面部６４による平面接触とした場合を例示したが、両方の接触面を円弧面接触とすることも可能である。 In addition, the lighting fixture 10 of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, in the above-described embodiment, the case where one contact surface is an arc surface contact by the arc surface 633 and the other contact surface is a plane contact by the flat surface portion 64 is exemplified. However, both contact surfaces are arc surface contact. It is also possible.

１０ 照明器具
１１ 天井面（被取付面）
２０ 器具本体
２０３ 外周面
３０ アッパーユニット（光源）
６０ アッパーユニット用カバー（カバー）
６３３ 円弧面（接触面）
６４ 平面部（接触面） 10 Lighting equipment 11 Ceiling surface (attached surface)
20 Instrument body 203 Outer peripheral surface 30 Upper unit (light source)
60 Upper unit cover (cover)
633 Arc surface (contact surface)
64 Flat part (contact surface)

Claims (1)

被取付部の被取付面に対向する第１の平面を有する第１部分と、前記第１部分の端部に連接されて前記第１部分の端部から下方へと延び、前記第１の平面に連続する外周面を有し、かつ前記外周面の、前記第１の平面に連続する部分が上に凸の曲面である第２部分と、前記第１部分よりも下方に位置し、かつ第２の平面を有する第３部分と、を備え、かつ、被取付部の被取付面に取り付けるための取付金具が中央に設けられる器具本体と、
前記器具本体の前記中央から離れる側である外側に光を出射し、かつ前記器具本体の前記外周面の外側に設けられる光源と、
前記器具本体に取り付けられ、前記光源の上方、および前記光源から光が出射される側の側方を覆い、かつ透光性を有する光源用カバーと、
有し、
前記光源用カバーは、
前記器具本体の前記第３部分における前記第２の平面に面接触されると共に、前記器具本体への、締結手段による取り付けに使用される接触面を有する光源用カバーの第１部分と、
前記光源用カバーの第１部分の端部に連接されると共に、上方に延びる光源用カバーの第２部分と、
前記光源用カバーの第２部分の上端部に連接されると共に、前記被取付面に対向し、かつ前記器具本体の前記第２部分に近づくように延びる光源用カバーの第３部分と、
前記光源用カバーの第３部分の、前記器具本体の前記第２部分に近い側の端部に連接されると共に、断面形状が略Ｖ字状である凹部からなり、かつ、前記凹部の下側の表面が曲面である光源用カバーの第４部分と、
を有し、
前記光源用カバーの第４部分における、前記凹部の、曲面である下側の表面を、前記器具本体の前記第２部分における前記外周面の、前記第１の平面に連続する部分の上に凸の曲面に沿わせることにより、前記凹部の、曲面である下側の表面と前記外周面の、前記第１の平面に連続する部分における上に凸の曲面とを面接触させ、
かつ前記光源は、前記器具本体と前記光源用カバーとによって囲まれる空間内に位置する照明器具。 A first portion having a first plane opposed to a mounting surface of the mounted portion; and a first portion connected to an end portion of the first portion and extending downward from the end portion of the first portion; A second portion in which the portion of the outer peripheral surface that is continuous with the first plane is a curved surface that is convex upward, and is located below the first portion, and includes a third portion having a second plane, a, and a fixture main body mounting bracket of the order attached to the attachment surface of the attachment portion is provided at the center,
A light source that emits light to the outside that is the side away from the center of the instrument body, and that is provided outside the outer peripheral surface of the instrument body;
It is attach to the instrument body, covering the lateral side of the upper, and the light from the light source is emitted from the light source, and a light-source cover having a light-
Have
The light source cover is
A first portion of the light source cover that is in surface contact with the second plane of the third portion of the instrument body and has a contact surface used for attachment to the instrument body by fastening means;
A second portion of the light source cover that is connected to an end of the first portion of the light source cover and extends upward;
A third portion of the light source cover that is connected to an upper end portion of the second portion of the light source cover, faces the mounting surface, and extends to approach the second portion of the instrument body;
The third portion of the light source cover is connected to an end portion of the instrument body on the side close to the second portion, and includes a concave portion having a substantially V-shaped cross section, and the lower side of the concave portion A fourth portion of the light source cover whose surface is a curved surface;
Have
The lower surface, which is a curved surface, of the concave portion in the fourth portion of the light source cover protrudes above the portion of the outer peripheral surface of the instrument body that is continuous with the first plane. The lower curved surface of the concave portion and the outer peripheral surface of the concave portion are brought into surface contact with the upper curved surface in a portion continuous with the first plane,
And wherein the light source, luminaires you located in a space surrounded with the instrument body by said cover source.
JP2012029736A 2012-02-14 2012-02-14 lighting equipment Expired - Fee Related JP5849213B2 (en)

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