JP6201979B2 - Shading plate mounting structure and lighting device - Google Patents

Shading plate mounting structure and lighting device Download PDF

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JP6201979B2
JP6201979B2 JP2014261592A JP2014261592A JP6201979B2 JP 6201979 B2 JP6201979 B2 JP 6201979B2 JP 2014261592 A JP2014261592 A JP 2014261592A JP 2014261592 A JP2014261592 A JP 2014261592A JP 6201979 B2 JP6201979 B2 JP 6201979B2
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shielding plate
light
light shielding
support member
rib
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JP2016122558A (en
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隆 荻原
隆 荻原
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クロイ電機株式会社
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Description

この発明は、光源の光の所望の照明範囲外への配光を遮蔽する遮光板を装置内部に固定的に取り付ける遮光板取付構造、及びこの遮光板取付構造を備えた照明装置に関する。   The present invention relates to a light shielding plate mounting structure in which a light shielding plate that shields light distribution outside the desired illumination range of light from a light source is fixedly attached to the inside of the device, and an illumination device including the light shielding plate mounting structure.

照明装置では、光源の光を所望の照明範囲のみに効率よく配光するために、所望の照明範囲外への配光を遮蔽する遮光板を備えたものがある。例えば、外観に統一感を与えるために光源の周囲を透光性のカバーで被覆した照明装置において、前面側の照射範囲のみに光源の光を配光するために、光源の背面側とカバーとの間に遮光板が配置される。   Some illuminating devices include a light shielding plate that shields light distribution outside the desired illumination range in order to efficiently distribute light from the light source only to the desired illumination range. For example, in an illuminating device in which the periphery of a light source is covered with a translucent cover in order to give a uniform appearance, in order to distribute light from the light source only to the irradiation range on the front side, A light shielding plate is disposed between the two.

遮光板は、照明装置内の支持部に、固定ネジを介して取り付けられる（例えば、特許文献１参照。）。また、遮光板は、照明装置内の支持部に両面テープ等によって貼付される場合もある。   The light shielding plate is attached to a support portion in the lighting device via a fixing screw (see, for example, Patent Document 1). In addition, the light shielding plate may be attached to a support portion in the lighting device with a double-sided tape or the like.

特開２０１０−２４４９９１号公報JP 2010-244991 A

しかし、照明装置内の支持部に遮光板を固定ネジや両面テープ等の別部品を用いて固定する構成では、部品点数の増加によってコストが上昇するとともに、組立作業が煩雑化する。   However, in the configuration in which the light shielding plate is fixed to the support portion in the lighting device using another component such as a fixing screw or a double-sided tape, the cost increases due to an increase in the number of components and the assembly work becomes complicated.

この発明の目的は、遮光板を照明装置内の支持部に容易かつ確実に固定できるようにし、部品点数の削減によるコストの低廉化、及び組立作業の容易化を実現できる遮光板取付構造及び照明装置を提供することにある。   SUMMARY OF THE INVENTION An object of the present invention is to provide a light shielding plate mounting structure and an illumination that enable a light shielding plate to be easily and reliably fixed to a support portion in a lighting device, reduce costs by reducing the number of parts, and facilitate assembly work. To provide an apparatus.

この発明の遮光板取付構造は、平板状の遮光板を支持部材に立設させて固定するために、孔部、折曲部、保持部及びリブを備えている。孔部は、遮光板の一部に厚さ方向に貫通して形成されている。折曲部は、遮光板の下端を基部として下方に延出して形成され、開放端から中間部に至る切込を有している。保持部は、支持部材から立設し、折曲部が折り曲がった状態で、孔部に嵌入して少なくとも孔部の下縁に当接する爪を有している。リブは、遮光板の厚さ方向において保持部との間に遮光板の厚さより大きく折曲部における切込と基部との間隔以下の間隔を設けて支持部材に配置され、折曲部の切込に嵌入する。   The light-shielding plate mounting structure of the present invention includes a hole, a bent portion, a holding portion, and a rib for standing and fixing a flat light-shielding plate on a support member. The hole is formed through a part of the light shielding plate in the thickness direction. The bent portion is formed to extend downward with the lower end of the light shielding plate as a base, and has a cut from the open end to the intermediate portion. The holding portion has a claw that is erected from the support member and that fits into the hole portion and contacts at least the lower edge of the hole portion with the bent portion bent. The rib is disposed on the support member with a gap larger than the thickness of the light shielding plate and less than or equal to the distance between the notch and the base in the thickness direction of the light shielding plate. Inserted in

遮光板を保持部とリブとの間に上方から挿入すると、孔部に爪が嵌入し、切込にリブが嵌入する。遮光板は、孔部の下縁に対する爪の当接によって上方への移動を規制され、切込に対するリブの嵌入によって水平方向の移動を規制される。遮光板は、折曲部の弾性力によって保持部に押圧され、上方及び水平方向への移動の規制が維持された状態で、支持部材に取り付けられる。   When the light shielding plate is inserted between the holding portion and the rib from above, the claw is inserted into the hole, and the rib is inserted into the cut. The light shielding plate is restricted from moving upward by the contact of the claw with the lower edge of the hole, and is restricted from moving in the horizontal direction by inserting the rib into the notch. The light shielding plate is pressed against the holding portion by the elastic force of the bent portion, and is attached to the support member in a state where the restriction of movement in the upward and horizontal directions is maintained.

この構成において、遮光板の厚さ方向及び挿入方向に直交する方向について、孔部と折曲部との位置を一致させるとともに、リブと保持部との位置を一致させることが好ましい。折曲部の弾性力が孔部に直接作用し、遮光板の上方及び水平方向への移動の規制をより確実に維持できる。   In this configuration, it is preferable to match the positions of the hole and the bent portion and match the positions of the rib and the holding portion in the direction perpendicular to the thickness direction of the light shielding plate and the insertion direction. The elastic force of the bent portion acts directly on the hole portion, so that the restriction of the movement of the light shielding plate in the upward and horizontal directions can be more reliably maintained.

爪部は、保持部からの突出量が下方に向かって大きくなる傾斜面を有することが好ましい。リブと保持部との間に遮光板を挿入し易くなる。   It is preferable that the nail | claw part has an inclined surface where the protrusion amount from a holding | maintenance part becomes large toward the downward direction. It becomes easy to insert a light shielding plate between the rib and the holding portion.

この発明の照明装置は、内部に光源を収納する筐体の底面である支持部材と、支持部材の一部に立設して取り付けられる遮光板と、上述の遮光板取付構造と、を備えている。   An illumination device of the present invention includes a support member that is a bottom surface of a housing that houses a light source therein, a light shielding plate that is erected and attached to a part of the support member, and the light shielding plate attachment structure described above. Yes.

この発明によれば、遮光板をその弾性力によって照明装置内の支持部に容易かつ確実に固定でき、部品点数の削減によるコストの低廉化、及び組立作業の容易化を実現できる。   According to the present invention, the light shielding plate can be easily and reliably fixed to the support portion in the lighting device by the elastic force, and the cost can be reduced and the assembly work can be facilitated by reducing the number of components.

本発明の実施形態に係る照明装置の断面図である。It is sectional drawing of the illuminating device which concerns on embodiment of this invention. 同照明装置の内部の平面の略図である。It is the schematic of the plane inside the lighting device. （Ａ）は同照明装置の支持部材の要部の外観図、（Ｂ）は同照明装置に用いられる遮光板の要部の外観図である。(A) is an external view of the principal part of the supporting member of the illuminating device, (B) is an external view of the principal part of the light-shielding plate used for the illuminating device. （Ａ）及び（Ｂ）は同照明装置における遮光板の取付状態を示す断面図、（Ｃ）は同照明装置における遮光板の取付状態を示す要部の外観図である。(A) And (B) is sectional drawing which shows the attachment state of the light-shielding plate in the illumination device, (C) is an external view of the principal part which shows the attachment state of the light-shielding plate in the illumination device. 本発明の別の実施形態に係る遮光板取付構造を示す要部の断面図である。It is sectional drawing of the principal part which shows the light-shielding plate attachment structure which concerns on another embodiment of this invention.

以下に、この発明の実施形態に係る遮光板取付構造を適用した照明装置について、図面を参照しつつ説明する。   Hereinafter, an illumination device to which a light shielding plate mounting structure according to an embodiment of the present invention is applied will be described with reference to the drawings.

図１及び図２に示すように、本発明の実施形態に係る照明装置１０は、支持部材１、カバー２、光源３、遮光板５を備えている。支持部材１は、照明装置１０の底面を構成し、一例として樹脂成形により、周囲の全周から垂直に突出した保持部１１が一体的に形成され、保持部１１の内側に電池収納部４及び図示しない光源保持部材が一体的に形成されている。   As shown in FIGS. 1 and 2, the illumination device 10 according to the embodiment of the present invention includes a support member 1, a cover 2, a light source 3, and a light shielding plate 5. The support member 1 constitutes the bottom surface of the lighting device 10. As an example, a holding portion 11 that protrudes vertically from the entire circumference is integrally formed by resin molding, and the battery housing portion 4 and the holding portion 11 are formed inside the holding portion 11. A light source holding member (not shown) is integrally formed.

カバー２は、例えば透光性の樹脂を素材として底面が開放した截頭円錐形を呈する半透明の筒状に形成されている。カバー２は、下端部を支持部材１の保持部１１に外嵌させて支持部材１に固定される。光源３は、例えば基板にＬＥＤを実装して構成されたＬＥＤパッケージである。カバー２は、光源３の照射光を透過させて外部に配光する。   The cover 2 is formed, for example, in a translucent cylindrical shape having a frustoconical shape with a bottom opened using a translucent resin as a material. The cover 2 is fixed to the support member 1 by fitting the lower end portion thereof to the holding portion 11 of the support member 1. The light source 3 is, for example, an LED package configured by mounting LEDs on a substrate. The cover 2 transmits light emitted from the light source 3 and distributes the light to the outside.

支持部材１の上面において、光源３の前面側にはカバー２との間に他の収納物は存在しないが、光源３の背面側にはカバー２との間に電池収納部４等の他の収納物が存在する。光源３を点灯させると、カバー２の内部の全体が光源３の光によって照射されるため、カバー２の背面側に電池収納部４等の収納物の影が現れ、照明装置１０の外観イメージが低下する。   On the upper surface of the support member 1, there is no other storage between the light source 3 and the cover 2 on the front side of the light source 3. There are storage items. When the light source 3 is turned on, the entire interior of the cover 2 is irradiated with the light from the light source 3, so that shadows of storage items such as the battery storage unit 4 appear on the back side of the cover 2, and an appearance image of the lighting device 10 is obtained. descend.

そこで、支持部材１の上面におけるカバー２の背面側の内側面に近接して遮光板５を取り付けることにより、光源３の光がカバー２の背面側から外部に配光されないようにし、電池収納部４等の収納物の影による照明装置１０の外観イメージの低下を防止するようにしている。   Therefore, by attaching the light shielding plate 5 in the vicinity of the inner surface of the back surface of the cover 2 on the upper surface of the support member 1, the light from the light source 3 is prevented from being distributed from the back surface side of the cover 2 to the outside. The appearance image of the lighting device 10 is prevented from being deteriorated due to the shadow of the stored item such as 4.

遮光板５は、遮光性及び可撓性を有する板状体であり、この条件を備えることを前提として、紙、樹脂又はこれらの複合材料等の任意の素材を用いることができる。支持部材１には、保持部１１の内周面における遮光板５の横方向の両端部に対応する２箇所に爪１３が形成されており、上面の爪１３に対向する２箇所にリブ１２が立設されている。遮光板５は、支持部材１の上面におけるリブ１２と爪１３との間に、平面視において湾曲した状態で取り付けられる。   The light-shielding plate 5 is a plate-like body having light-shielding properties and flexibility, and any material such as paper, resin, or a composite material thereof can be used on the assumption that this condition is satisfied. The support member 1 has claws 13 formed at two locations corresponding to both end portions in the lateral direction of the light shielding plate 5 on the inner peripheral surface of the holding portion 11, and ribs 12 are formed at two locations facing the upper surface claws 13. It is erected. The light shielding plate 5 is attached between the rib 12 and the claw 13 on the upper surface of the support member 1 in a curved state in plan view.

図３（Ａ）に示すように、リブ１２は、一例として矩形の平板状を呈し、支持部材１の上面１Ａに立設されている。爪１３は、一例として下方の突出量が大きい楔状を呈し、保持部１１の内周面においてリブ１２に対向する位置に形成されている。   As shown in FIG. 3A, the rib 12 has a rectangular flat plate shape as an example, and is erected on the upper surface 1 </ b> A of the support member 1. As an example, the claw 13 has a wedge shape with a large downward protrusion, and is formed at a position facing the rib 12 on the inner peripheral surface of the holding portion 11.

図３（Ｂ）に示すように、遮光板５の下端部には、孔部５１が形成されており、下端５Ａにおける孔部５１に対向する部分から折り線５４を基部として折曲部５２が下方に延出している。折曲部５２には、開放端から中間部に至る切込５３が形成されている。   As shown in FIG. 3 (B), a hole 51 is formed at the lower end of the light shielding plate 5, and a bent portion 52 is formed from the portion facing the hole 51 at the lower end 5A with the fold line 54 as a base. It extends downward. A cut 53 extending from the open end to the middle portion is formed in the bent portion 52.

爪１３の幅ＷＡ１は、切込５３の幅ＷＡ２に略等しい。リブ１２と保持部１１の内側面との間隔Ｄ１は、遮光板５の厚さより大きく、切込５３の基部側の端部と折り線５４までの距離Ｄ２に略等しい。爪１３の幅ＷＢ１は、孔部５１の幅ＷＢ２に略等しい。爪１３の下面から支持部材１の上面１Ａまでの距離Ｈ１は、孔部５１の下縁から下端５Ａまでの距離Ｈ２に略等しい。   The width WA1 of the claw 13 is substantially equal to the width WA2 of the notch 53. The distance D1 between the rib 12 and the inner surface of the holding portion 11 is larger than the thickness of the light shielding plate 5 and is substantially equal to the distance D2 between the base portion side end of the cut 53 and the folding line 54. The width WB1 of the claw 13 is substantially equal to the width WB2 of the hole 51. A distance H1 from the lower surface of the claw 13 to the upper surface 1A of the support member 1 is substantially equal to a distance H2 from the lower edge of the hole 51 to the lower end 5A.

図４（Ａ）及び（Ｂ）に示すように、遮光板５の下端部を支持部材１の上方からリブ１２と爪部１３との間に鉛直下方である挿入方向Ｆに沿って挿入すると、折曲部５２が折り線５４を支軸として、リブ１２側に向けて折れ曲がり、切込５３内にリブ１２の一部が嵌入する。このとき、折曲部５２の下端が爪１３に当接するが、爪１３において折曲部５２の下端が当接する部分は、下方にいくにしたがって徐々にリブ１２に接近する傾斜面で構成されており、折曲部５２の下端は傾斜面に沿ってリブ１２と爪１３との間に導かれる。   As shown in FIGS. 4 (A) and 4 (B), when the lower end portion of the light shielding plate 5 is inserted from above the support member 1 along the insertion direction F between the rib 12 and the claw portion 13 in the vertical direction, The bent portion 52 is bent toward the rib 12 with the fold line 54 as a support shaft, and a part of the rib 12 is inserted into the cut 53. At this time, the lower end of the bent portion 52 comes into contact with the claw 13, but the portion of the claw 13 with which the lower end of the bent portion 52 comes into contact is configured with an inclined surface that gradually approaches the rib 12 as it goes downward. The lower end of the bent portion 52 is guided between the rib 12 and the claw 13 along the inclined surface.

リブ１２において切込５３内に嵌入した部分の両側面が、切込５３の内側面に密着する。また、リブ１２において切込５３内に嵌入した部分の保持部１１側の面が、切込５３の折り線５４側の内側面に当接するとともに、遮光板５の下端部の外側面が保持部１１の内側面に密着する。さらに、遮光板５の孔部５１には爪１３が嵌入し、爪１３の底面が孔部５１の下縁に当接する。   Both side surfaces of the portion of the rib 12 fitted into the notch 53 are in close contact with the inner surface of the notch 53. Further, the surface of the rib 12 on the side of the holding portion 11 of the portion fitted into the notch 53 abuts on the inner surface of the notch 53 on the folding line 54 side, and the outer surface of the lower end portion of the light shielding plate 5 is the holding portion. 11 is in close contact with the inner surface. Further, the claw 13 is fitted into the hole 51 of the light shielding plate 5, and the bottom surface of the claw 13 comes into contact with the lower edge of the hole 51.

図４（Ｃ）に示すように、遮光板５の厚さ方向及び挿入方向Ｆに直交する方向について、遮光板５における同一位置に孔部５１、折曲部５２及び折り線５４が形成されており、支持部材１における同一位置にリブ１２及び爪１３が形成されている。   As shown in FIG. 4C, a hole 51, a bent portion 52, and a folding line 54 are formed at the same position in the light shielding plate 5 with respect to the thickness direction of the light shielding plate 5 and the direction orthogonal to the insertion direction F. The rib 12 and the claw 13 are formed at the same position in the support member 1.

切込５３に嵌入したリブ１２の両側面と切込５３の内側面との密着により、遮光板５の矢印Ｘ方向の移動が規制される。また、切込５３に嵌入したリブ１２の保持部１１側の面と切込５３の折り線５４側の内側面との当接により、遮光板５の矢印Ｙ方向の移動が規制される。さらに、孔部５１に嵌入した爪１３の底面と孔部５１の下縁との当接により、遮光板５の矢印Ｚ方向の移動が規制される。   The movement of the light shielding plate 5 in the direction of the arrow X is restricted by the close contact between both side surfaces of the rib 12 fitted into the cut 53 and the inner surface of the cut 53. Further, the movement of the light shielding plate 5 in the arrow Y direction is restricted by the contact between the surface of the rib 12 fitted in the cut 53 on the holding portion 11 side and the inner surface of the cut 53 on the folding line 54 side. Furthermore, the movement of the light shielding plate 5 in the arrow Z direction is restricted by the contact between the bottom surface of the claw 13 fitted in the hole 51 and the lower edge of the hole 51.

以上のように、遮光板５の下端部を支持部材１の上方からリブ１２と爪部１３との間に挿入するだけで、固定ネジや両面テープ等の別部品を用いることなく、遮光板５を支持部材１に対して所定の位置に確実に固定することができる。   As described above, only by inserting the lower end portion of the light shielding plate 5 between the rib 12 and the claw portion 13 from above the support member 1, the light shielding plate 5 can be used without using other parts such as fixing screws and double-sided tape. Can be securely fixed to the support member 1 at a predetermined position.

なお、図２に示したように、平面視において、遮光板５は、湾曲した状態で横方向の両端部をリブ１２及び爪１３によって固定される。可撓性を有する遮光板５の復元力により、遮光板５の両端部は保持部１１の内側面に当接する方向に付勢され、遮光板５のリブ１２及び爪１３による固定状態が確実に維持される。   As shown in FIG. 2, in the plan view, the light shielding plate 5 is fixed by the ribs 12 and the claws 13 at both lateral ends in a curved state. Due to the restoring force of the light-shielding plate 5 having flexibility, both end portions of the light-shielding plate 5 are urged in a direction in contact with the inner surface of the holding portion 11, and the fixing state of the light-shielding plate 5 by the ribs 12 and the claws 13 is ensured. Maintained.

図３（Ａ）及び（Ｂ）において、間隔Ｄ１を距離Ｄ２よりも僅かに小さくし、これに合わせて距離Ｈ１を距離Ｈ２よりも僅かに長くすると、図５に示すように、可撓性を有する遮光板５の一部に形成されている折曲部５２が側面視において傾斜した状態となる。折曲部５２は、復元力によって遮光板５を矢印ＰＨ方向及び矢印ＰＶ方向に付勢する。これによって、遮光板５の矢印Ｙ方向及び矢印Ｚ方向の移動をより確実に規制できる。   3A and 3B, when the distance D1 is made slightly smaller than the distance D2, and the distance H1 is made slightly longer than the distance H2 in accordance with this, the flexibility is improved as shown in FIG. The bent part 52 formed in a part of the light-shielding plate 5 is inclined when viewed from the side. The bent portion 52 urges the light shielding plate 5 in the arrow PH direction and the arrow PV direction by a restoring force. Thereby, the movement of the light shielding plate 5 in the arrow Y direction and the arrow Z direction can be more reliably regulated.

なお、上記の実施形態では、遮光板５の厚さ方向及び挿入方向（図４における矢印Ｆ方向）に直交する方向について、リブ１２と爪１３とを互いに対向する位置に配置したが、リブ１２と爪１３とを異なる位置に配置し、遮光板５においてリブ１２に対向する位置に折曲部５２を形成するとともに爪１３に対向する位置に孔部５１を形成してもよい。   In the above-described embodiment, the rib 12 and the claw 13 are disposed at positions facing each other in the direction orthogonal to the thickness direction and the insertion direction (the arrow F direction in FIG. 4) of the light shielding plate 5. And the claw 13 may be arranged at different positions, and the bent portion 52 may be formed at a position facing the rib 12 in the light shielding plate 5 and the hole 51 may be formed at a position facing the claw 13.

また、折曲部５２が遮光板５の下端位置でリブ１２に向かって折れ曲がることを条件に、折り線５４を省略してもよい。   Further, the folding line 54 may be omitted on the condition that the bent portion 52 is bent toward the rib 12 at the lower end position of the light shielding plate 5.

さらに、本発明の遮光板取付構造を構成するリブ１２、爪１３、孔部５１及び折曲部５２は、少なくとも１組設ければよく、遮光板５を支持部材１に固定する際の作業性、及び固定状態を考慮して、任意の組数で形成することができる。   Furthermore, at least one set of the ribs 12, the claws 13, the holes 51, and the bent portions 52 constituting the light shielding plate mounting structure of the present invention may be provided, and workability when the light shielding plate 5 is fixed to the support member 1. , And a fixed state, it can be formed in any number of sets.

１−支持部材
２−カバー
３−光源
５−遮光板
１１−保持部
１２−リブ
１３−爪
５１−孔部
５２−折曲部
５３−切込 1-support member 2-cover 3-light source 5-light shielding plate 11-holding portion 12-rib 13-claw 51-hole portion 52-bent portion 53-cut

Claims (3)

平板状の遮光板を支持部材に立設させて固定する遮光板取付構造であって、
前記遮光板の一部に厚さ方向に貫通して形成された孔部と、
前記遮光板の下端を基部として下方に延出して形成され、自由端から中間部に至る切込を有する折曲部と、
前記支持部材から立設し、前記折曲部が折り曲がった状態で、前記孔部に嵌入して少なくとも前記孔部の下縁に当接する爪を有する保持部と、
前記遮光板の厚さ方向において前記保持部との間に前記遮光板の厚さより大きく前記折曲部における前記切込と基部との間隔以下の間隔を設けて前記支持部材に配置され、前記切込に嵌入するリブと、
を備え、前記保持部と前記リブとの間に前記遮光板を所定の挿入方向に沿って挿入するようにした遮光板取付構造。 A light shielding plate mounting structure for fixing a flat light shielding plate upright on a support member,
A hole formed through a part of the light shielding plate in the thickness direction;
A bent portion having a notch extending from the free end to the middle portion, formed extending downward from the lower end of the light shielding plate, and
A holding portion that is erected from the support member and has a claw that fits into the hole portion and contacts at least the lower edge of the hole portion, with the bent portion bent;
A gap between the holding portion and the holding portion in the thickness direction of the light shielding plate is larger than the thickness of the light shielding plate and less than a distance between the notch and the base portion in the bent portion, and is disposed on the support member. A rib that fits in,
A light-shielding plate mounting structure, wherein the light-shielding plate is inserted between the holding portion and the rib along a predetermined insertion direction. 前記遮光板の前記厚さ方向及び前記挿入方向に直交する方向について、前記孔部と前記折曲部との位置を一致させるとともに、前記リブと前記保持部との位置を一致させた請求項１に記載の遮光板取付構造。   The positions of the hole and the bent portion are made to coincide with each other and the positions of the rib and the holding portion are made to coincide with each other in the thickness direction of the light shielding plate and the direction orthogonal to the insertion direction. The light-shielding plate mounting structure described in 1. 内部に光源を収納する筐体の底面を構成する支持部材と、
前記支持部材の一部に立設して取り付けられる遮光板と、
請求項１又は２に記載の遮光板取付構造と、を備えた照明装置。 A support member that forms the bottom surface of the housing that houses the light source therein;
A light-shielding plate that is erected and attached to a part of the support member;
An illuminating device comprising: the light-shielding plate mounting structure according to claim 1.
JP2014261592A 2014-12-25 2014-12-25 Shading plate mounting structure and lighting device Expired - Fee Related JP6201979B2 (en)

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