JP5821016B2

JP5821016B2 - lighting equipment

Info

Publication number: JP5821016B2
Application number: JP2011122302A
Authority: JP
Inventors: 裕亮田島
Original assignee: Panasonic Intellectual Property Management Co Ltd
Current assignee: Panasonic Intellectual Property Management Co Ltd
Priority date: 2011-05-31
Filing date: 2011-05-31
Publication date: 2015-11-24
Anticipated expiration: 2031-05-31
Also published as: JP2012252789A

Description

本発明は、天井材の埋設孔に埋め込まれて設置されるダウンライト等に適用される照明器具に関する。 The present invention relates to a lighting apparatus applied to a downlight or the like that is installed by being embedded in an embedding hole of a ceiling material.

従来より、電源部を内蔵し、熱伝導性を有する光源配設部を備えた器具本体と、発光ダイオードを配置した基板と、発光ダイオードの光を制御する反射体とを備えた照明器具が知られている（例えば、特許文献１参照）。
特許文献１は、基板を光源配設部と反射体との間に配置し、器具本体の略中心部から反射体を引き寄せ締め付けて、基板を器具本体に密着させる。 2. Description of the Related Art Conventionally, there is known a lighting fixture including a fixture body having a built-in power source and a light source arrangement portion having thermal conductivity, a substrate on which a light emitting diode is arranged, and a reflector for controlling light from the light emitting diode. (For example, refer to Patent Document 1).
In Patent Document 1, a substrate is disposed between a light source arrangement portion and a reflector, and the reflector is pulled and tightened from a substantially central portion of the instrument body to bring the substrate into close contact with the instrument body.

特開２００８−２０４６９２号公報（図１、請求項２）Japanese Patent Laying-Open No. 2008-204692 (FIG. 1, claim 2)

特許文献１は、光学性能を発揮させ、放熱性能を向上させつつ、商品性も損なわなくできる。
ところで、ＬＥＤユニットを取り付けた灯体を、天井面に取り付けた枠体に装着する照明器具が提案されている。
このような従来の照明器具は、天井面に取り付けた枠板の下方から灯体を挿入させていき、枠体に有する受部に灯体の引掛部を引っ掛けてねじ止めすることにより、灯体が枠体に取り付けられる。
しかし、このような従来の照明器具は、枠板に灯体を挿入させた際に、灯体の姿勢が、垂直方向と水平方向と傾方向とに保持されない。
従って、このような従来の照明器具は、組立作業性が良好ではない。
一方、ＬＥＤユニットを取り付けた灯体に有する取付ばねを、天井面に取り付けた枠体に引掛ける照明器具が提案されている。
このような従来の照明器具は、天井面に取り付けた枠板の下方から灯体の取付ばねを挿入させていき、枠体に有するばね受部に灯体の取付ばねを引っ掛けることにより、灯体が枠体に支持される。
しかし、このような従来の照明器具は、灯体の支持を取付ばねで行うために、大きな重量の灯体の場合、取付ばねで支持できなくなることがある。
従って、このような従来の照明器具は、灯体の大型化に対応できない。 Patent Document 1 can exhibit optical performance and improve heat dissipation performance, and can also reduce merchantability.
By the way, the lighting fixture which mounts the lamp body which attached the LED unit to the frame body attached to the ceiling surface is proposed.
In such a conventional lighting fixture, the lamp body is inserted from below the frame plate attached to the ceiling surface, and the hook part of the lamp body is hooked on the receiving part of the frame body and screwed, thereby fixing the lamp body. Is attached to the frame.
However, in such a conventional lighting fixture, when the lamp is inserted into the frame plate, the attitude of the lamp is not maintained in the vertical direction, the horizontal direction, and the tilt direction.
Therefore, such conventional lighting fixtures are not good in assembling workability.
On the other hand, lighting fixtures have been proposed in which an attachment spring provided on a lamp body to which an LED unit is attached is hooked on a frame body attached to a ceiling surface.
In such a conventional lighting fixture, the lamp body mounting spring is inserted from below the frame plate mounted on the ceiling surface, and the lamp body mounting spring is hooked on the spring receiving portion of the frame body, thereby the lamp body. Is supported by the frame.
However, in such a conventional lighting fixture, since the lamp body is supported by the attachment spring, in the case of a heavy weight lamp body, it may not be supported by the attachment spring.
Therefore, such a conventional lighting fixture cannot cope with an increase in the size of the lamp.

本発明は、前述した課題を解決するためになされたものであり、その目的は、組立作業性を良好にでき、大型化に対応できる照明器具を提供することにある。 The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting apparatus that can improve the assembly workability and can cope with an increase in size.

本発明に係る照明器具は、天井材の埋設孔に埋設される照明器具であって、前記天井材の埋設孔に埋設されて前記天井材に固定される枠体と、略円筒形状の金属製の筒部と、前記筒部の上部に設けられる放熱フィンと、を備え、前記放熱フィンの外周部において、前記筒部の外周に沿って、前記天井材に平行な上面を備える段部が形成され、前記筒部の外周面の複数箇所において、前記枠体への掛止に使用される受部が外側に突出して形成され、かつ前記筒部の内側に光源が取り付けられる灯体と、を有し、前記枠体は、前記灯体の前記放熱フィンが挿通可能な内径を有して環状に形成され、前記天井材と平行に配置され、かつ、前記灯体の前記各受部に対応する位置に設けられる、下方に突出する複数の突出片を備える第１枠部と、前記第１枠部の下方において前記第１枠部に平行に配置され、かつ前記灯体の前記筒部が挿通可能な内径を有して環状に形成される第２枠部と、前記第１枠部と前記第２枠部とを接続すると共に、その外面に、前記天井材の上面に係止されて前記枠体を前記天井材に固定する天井取付部材が設けられる複数の接続部と、を有し、前記第１枠部の前記突出片は、下方に突出すると共に、その長さが前記接続部の上下方向の長さよりも短い突出部分と、前記突出部分から前記天井材と平行に内側に屈曲される屈曲部分と、を有して全体がＬ字形状に形成され、前記屈曲部分が、前記灯体の前記受部を掛止する掛止部となり、前記灯体の前記各受部は、厚みが薄い部分である第１部分と、前記第１部分に連続すると共に、前記受部の、前記天井材と平行な方向における端部に位置し、かつ厚みが厚い部分である第２部分と、を有し、前記第１部分の下方には、前記第２部分との厚みの差に相当する空間が形成され、前記灯体を前記天井材の埋設孔に埋設する場合に、前記灯体が、前記枠体の下方から挿入されると、前記灯体における前記放熱フィンの前記段部の上面が前記第１枠部の下面に当接して前記灯体が位置決めされ、前記灯体が、前記天井材と平行に回動されると、前記灯体の前記各受部の前記第１部分の下方の前記空間に、前記第１枠部の前記各掛止部が入り込み、前記各掛止部が前記各受部の前記第２部分に当接して回動が規制されて前記各受部が前記各掛止部に掛止される。 The luminaire according to the present invention is a luminaire embedded in a burial hole of a ceiling material, and is a frame body embedded in the burial hole of the ceiling material and fixed to the ceiling material, and a substantially cylindrical metal And a radiating fin provided on an upper portion of the cylindrical portion, and a stepped portion having an upper surface parallel to the ceiling material is formed along the outer periphery of the cylindrical portion in the outer peripheral portion of the radiating fin. are, at a plurality of positions of the outer peripheral surface of the tubular portion, receiving portion used for hooking to the frame body is formed to protrude outwardly, and said tubular portion inner lamp light source that is attached to the body The frame body has an inner diameter through which the heat dissipating fins of the lamp body can be inserted, is formed in an annular shape, is arranged in parallel with the ceiling material, and each receiving portion of the lamp body provided at a position corresponding to a first frame portion including a plurality of projecting pieces projecting downward, the first Disposed in parallel to the first frame portion below the frame portion, and a second frame portion to which the tubular portion of the lamp body is formed in an annular shape having a through inner diameter capable of, with the first frame portion A plurality of connecting portions that connect to the second frame portion, and are provided on the outer surface thereof with a ceiling mounting member that is locked to the top surface of the ceiling material and fixes the frame body to the ceiling material. The protruding piece of the first frame portion protrudes downward, has a protruding portion whose length is shorter than the length in the vertical direction of the connecting portion, and is bent inward from the protruding portion in parallel to the ceiling material. A bent portion that is formed in an L-shape as a whole, and the bent portion serves as a latching portion that latches the receiving portion of the lamp body. A first portion that is a thin portion and a portion that is continuous with the first portion and that is parallel to the ceiling material of the receiving portion. A second portion that is located at an end in the direction and is a thick portion, and a space corresponding to a difference in thickness from the second portion is formed below the first portion, In the case where the lamp body is embedded in the embedded hole of the ceiling member, when the lamp body is inserted from below the frame body, the upper surface of the stepped portion of the radiating fin in the lamp body is the first frame. When the lamp is positioned in contact with the lower surface of the lamp and the lamp is rotated in parallel with the ceiling member , the lamp is placed in the space below the first portion of each receiving part of the lamp. The respective latching portions of the first frame portion enter, the respective latching portions come into contact with the second portions of the respective receiving portions, and the rotation is restricted so that the respective receiving portions are the respective latching portions. to Ru hooked.

本発明に係る照明器具によれば、組立作業性を良好にでき、大型化に対応できるという効果を奏する。 According to the lighting fixture concerning this invention, there exists an effect that assembly workability | operativity can be made favorable and it can respond to enlargement.

本発明に係る一実施形態の照明器具の斜め上方から視た外観斜視図The external appearance perspective view seen from diagonally upward of the lighting fixture of one Embodiment which concerns on this invention 本発明に係る一実施形態の照明器具の側面図The side view of the lighting fixture of one Embodiment which concerns on this invention 本発明に係る一実施形態の照明器具の枠体の斜め上方から視た外観斜視図The external appearance perspective view seen from diagonally upward of the frame of the lighting fixture of one Embodiment which concerns on this invention 本発明に係る一実施形態の照明器具の枠体の側面図The side view of the frame of the lighting fixture of one Embodiment which concerns on this invention 本発明に係る一実施形態の照明器具の灯体の斜め上方から視た外観斜視図The external appearance perspective view seen from diagonally upward of the lamp body of the lighting fixture of one Embodiment which concerns on this invention 本発明に係る一実施形態の照明器具の灯体の側面図The side view of the lamp body of the lighting fixture of one Embodiment which concerns on this invention 本発明に係る一実施形態の照明器具の組立手順を説明する第１段階の斜め上方から視た外観斜視図FIG. 1 is an external perspective view of a first stage illustrating an assembling procedure of a lighting apparatus according to an embodiment of the present invention, as viewed obliquely from above. 本発明に係る一実施形態の照明器具の組立手順を説明する第２段階の斜め上方から視た外観斜視図The external appearance perspective view seen from diagonally upward of the 2nd step explaining the assembly procedure of the lighting fixture of one Embodiment which concerns on this invention 本発明に係る一実施形態の照明器具の組立手順を説明する第３段階の斜め上方から視た外観斜視図FIG. 3 is an external perspective view of the lighting apparatus according to the embodiment of the present invention as viewed from obliquely above in a third stage for explaining the assembly procedure of the lighting apparatus. 本発明に係る一実施形態の照明器具の組立手順を説明する第４段階の斜め上方から視た外観斜視図FIG. 4 is an external perspective view of the fourth stage illustrating the assembling procedure of the lighting apparatus according to the embodiment of the present invention as viewed obliquely from above.

以下、本発明に係る一実施形態の照明器具について図面を参照して説明する。
図１に示すように、本発明に係る一実施形態の照明器具１０は、枠体１１と、枠体１１と別構成の灯体１２とを備え、天井材（図７参照）１の埋設孔（図７参照）２に埋め込まれてダウンライト等に適用される。 Hereinafter, a lighting apparatus according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the lighting fixture 10 of one Embodiment which concerns on this invention is equipped with the frame 11, the frame 11, and the lamp body 12 of another structure, and the embedding hole of ceiling material (refer FIG. 7) 1 (See FIG. 7) It is embedded in 2 and applied to a downlight or the like.

照明器具１０は、枠体１１に、上段に配置される第１枠部１３と、第１枠部１３の下段に配置される第２枠部１４と、第１枠部１３および第２枠部１４を接続する複数の接続部１５とを備える。 The luminaire 10 includes a frame 11, a first frame 13 disposed in the upper stage, a second frame 14 disposed in the lower stage of the first frame 13, the first frame 13, and the second frame. 14 and a plurality of connection portions 15 for connecting 14.

図２に示すように、照明器具１０は、灯体１２に、例えば放射状に配列される複数のＬＥＤ基板１６に封止されたＬＥＤ１７を有するＬＥＤユニット１８が取り付けられている。
照明器具１０は、ＬＥＤユニット１８の前面に不図示の反射板や同じく不図示のレンズや同じく不図示のパネル等が取り付けられる。ＬＥＤユニット１８は、ＬＥＤ基板１６に有する不図示のプリント回路が同じく不図示の電源ユニットに電気的に接続される。
照明器具１０は、灯体１２が枠体１１に取り付けられた後に、天井材１の下方から取付ばね１９により第１枠部１３に取り付けられる補助反射板２０を備える。 As shown in FIG. 2, in the luminaire 10, an LED unit 18 having LEDs 17 sealed by a plurality of LED substrates 16 arranged in a radial pattern, for example, is attached to a lamp body 12.
In the luminaire 10, a reflector (not shown), a lens (not shown), a panel (not shown), or the like is attached to the front surface of the LED unit 18. The LED unit 18 has a printed circuit (not shown) on the LED board 16 electrically connected to a power supply unit (not shown).
The luminaire 10 includes an auxiliary reflector 20 that is attached to the first frame portion 13 by an attachment spring 19 from below the ceiling member 1 after the lamp body 12 is attached to the frame body 11.

図３および図４に示すように、第１枠部１３は、薄い金属製の板部材を用いて円環形状に形成された第１枠部本体２１を有し、この第１枠部本体２１の内周部にあらかじめ定められた内径寸法を有する段部当接部２２を有する。
第１枠部１３は、第１枠部本体２１の円周上の複数個所において下方へ向けて突出する複数の突出片２３を有し、これら突出片２３の先端部にＬ字形状にして第１枠部本体２１の内周へ向けて突出する掛止部２４を有する。
掛止部２４は、垂直方向のねじ孔２５を有する。
第１枠部１３は、第１枠部本体２１の外周縁部の対向する位置に取付ばね１９を係止させるための切欠形状に形成された一対のばね係止部２６を有する。 As shown in FIGS. 3 and 4, the first frame portion 13 has a first frame portion main body 21 formed in an annular shape using a thin metal plate member, and the first frame portion main body 21. A step contact portion 22 having a predetermined inner diameter dimension is provided on the inner peripheral portion.
The first frame portion 13 has a plurality of protruding pieces 23 protruding downward at a plurality of locations on the circumference of the first frame portion main body 21, and the first frame portion 13 is formed in an L shape at the tip end portion of the protruding pieces 23. 1 The latch part 24 which protrudes toward the inner periphery of the frame part main body 21 is provided.
The latch part 24 has a screw hole 25 in the vertical direction.
The first frame portion 13 has a pair of spring locking portions 26 formed in a notch shape for locking the attachment spring 19 at a position facing the outer peripheral edge portion of the first frame body 21.

第２枠部１４は、薄い金属製の板部材を用いて円環形状に形成された第２枠部本体２７を有し、この第２枠部本体２７の外周部に化粧板２８を有する。
第２枠部１４は、第２枠部本体２７の内周部に灯体挿入部２９を有する。 The second frame portion 14 has a second frame portion main body 27 formed in an annular shape using a thin metal plate member, and has a decorative plate 28 on the outer peripheral portion of the second frame portion main body 27.
The second frame portion 14 has a lamp body insertion portion 29 on the inner peripheral portion of the second frame portion main body 27.

接続部１５は、薄い金属製の板部材により成形されており、上端部が第１枠部１３の第１枠部本体２１の外周縁部に溶接等の接合手段により固定され、下端部が第２枠部１４の第２枠部本体２７の外周縁部に溶接等の接合手段により固定される。
接続部１５は、第１枠部１３と第２枠部１４とを平行に配置する。接続部１５は、外面に天井取付部材３０を備える。
天井取付部材３０は、枠体１１が天井材１の埋設孔２に挿入される際に、接続部１５に沿うように配置される。
天井取付部材３０は、枠体１１が天井材１の上面に到達した後に、接続部１５の外方に突出されて天井材１の上面に係止されることにより、枠体１１を天井材１に固定する。 The connection portion 15 is formed of a thin metal plate member, and the upper end portion is fixed to the outer peripheral edge portion of the first frame portion main body 21 of the first frame portion 13 by a joining means such as welding, and the lower end portion is the first one. The two frame portions 14 are fixed to the outer peripheral edge portion of the second frame portion main body 27 by welding means or the like.
The connection part 15 arrange | positions the 1st frame part 13 and the 2nd frame part 14 in parallel. The connecting portion 15 includes a ceiling mounting member 30 on the outer surface.
The ceiling mounting member 30 is disposed along the connecting portion 15 when the frame body 11 is inserted into the embedded hole 2 of the ceiling material 1.
After the frame body 11 reaches the upper surface of the ceiling material 1, the ceiling mounting member 30 protrudes outward from the connecting portion 15 and is locked to the upper surface of the ceiling material 1, thereby attaching the frame body 11 to the ceiling material 1. Secure to.

図５および図６に示すように、灯体１２は、例えばアルミニウムダイキャスト等の金属製であって、略円筒形状に形成された筒部３１を有し、筒部３１の上部に複数の放熱フィン３２を有する。
灯体１２は、筒部３１の外周面に、第１枠部１３の突出片２３の内周側において掛止部２４に掛止される受部３３が外方に向けて突出される。
受部３３は、掛止部２４に平行に配置されて掛止部２４を誘導する誘導面３４と、この誘導面３４の端部において掛止部２４に当接する当接面３５とを有する。
受部３３は、垂直方向のねじ孔３６を有する。
灯体１２は、筒部３１の上部であって、放熱フィン３２の基部側に筒部３１の円周方向に平行な段部３７を有する。段部３７の外径寸法は、第１枠部１３の段部当接部２２の内径寸法よりもわずかに小さい。 As shown in FIGS. 5 and 6, the lamp body 12 is made of metal such as aluminum die cast, and has a cylindrical portion 31 formed in a substantially cylindrical shape. The fin 32 is provided.
In the lamp body 12, a receiving portion 33 that is hooked by the hooking portion 24 on the inner peripheral side of the protruding piece 23 of the first frame portion 13 protrudes outward from the outer peripheral surface of the cylindrical portion 31.
The receiving portion 33 includes a guide surface 34 that is arranged in parallel to the latching portion 24 and guides the latching portion 24, and a contact surface 35 that abuts the latching portion 24 at the end of the guide surface 34.
The receiving portion 33 has a screw hole 36 in the vertical direction.
The lamp body 12 has an upper portion of the cylindrical portion 31 and has a step portion 37 parallel to the circumferential direction of the cylindrical portion 31 on the base side of the radiating fin 32. The outer diameter dimension of the step part 37 is slightly smaller than the inner diameter dimension of the step part contact part 22 of the first frame part 13.

段部３７は、組立時に第１枠部１３の段部当接部２２に当接することにより、第１枠部１３に熱的に接続されて灯体１２を位置決める。
このとき、灯体１２の放熱フィン３２の基部に段部３７が形成される。
従って、第１枠部１３と灯体１２との間にある空間も利用して放熱フィン３２の表面積を大きくして放熱効率を向上できる。
これに対して、放熱フィンに段差部を設けない場合、表面積を大きくすることができないために、放熱効率を向上できない。
そして、灯体１２の位置決めが段部３７により行われる。
従って、別途にガイド部を設ける必要がなく、簡素な構造にできる。
また、段部３７が、放熱フィン３２の基部側において筒部３１の全周に平行に形成されている。
従って、長さが長く、筒部３１の全周に平行に形成される段部３７により板形状の第１枠部１３に対して灯体１２を安定的に支持できる。 The step portion 37 contacts the step contact portion 22 of the first frame portion 13 during assembly, thereby being thermally connected to the first frame portion 13 to position the lamp body 12.
At this time, a stepped portion 37 is formed at the base of the heat radiating fin 32 of the lamp body 12.
Therefore, the space between the first frame portion 13 and the lamp body 12 can also be used to increase the surface area of the radiating fins 32 and improve the radiating efficiency.
On the other hand, when the stepped portion is not provided in the radiating fin, the surface area cannot be increased, and thus the radiating efficiency cannot be improved.
Then, the lamp body 12 is positioned by the step portion 37.
Therefore, it is not necessary to provide a separate guide part, and a simple structure can be achieved.
Further, the step portion 37 is formed in parallel to the entire circumference of the cylindrical portion 31 on the base side of the heat radiation fin 32.
Therefore, the lamp body 12 can be stably supported with respect to the plate-shaped first frame portion 13 by the step portion 37 that is long and formed in parallel with the entire circumference of the cylindrical portion 31.

次に、照明器具１０の組立手順について説明する。
図７に示すように、第１段階において、天井材１の所定位置に形成されている埋設孔２の下方から、枠体１１が挿入されていく。
枠体１１は、第１枠部１３および接続部１５が埋設孔２に挿入されることにより、第２枠部１４の化粧板２８が天井材１の下面に当接する。
このとき、第１枠部１３および接続部１５の埋設孔２への挿入時に、天井取付部材３０が、接続部１５に沿うように配置されている。
そして、第１枠部１３および接続部１５の埋設孔２への挿入後に、天井取付部材３０が、接続部１５の外方に突出されて天井材１の上面に係止されることにより、枠体１１を天井材１に固定する。 Next, the assembly procedure of the lighting fixture 10 will be described.
As shown in FIG. 7, in the first stage, the frame body 11 is inserted from below the buried hole 2 formed at a predetermined position of the ceiling material 1.
In the frame body 11, the decorative plate 28 of the second frame portion 14 comes into contact with the lower surface of the ceiling material 1 by inserting the first frame portion 13 and the connection portion 15 into the embedded hole 2.
At this time, the ceiling mounting member 30 is disposed along the connection portion 15 when the first frame portion 13 and the connection portion 15 are inserted into the buried hole 2.
And after inserting the 1st frame part 13 and the connection part 15 in the embedding hole 2, the ceiling attachment member 30 protrudes to the outer side of the connection part 15, and is locked to the upper surface of the ceiling material 1, thereby the frame. The body 11 is fixed to the ceiling material 1.

次に、図８に示すように、第２段階において、灯体１２が、枠体１１の下方から、第２枠部１４の灯体挿入部２９から第１枠部１３の段部当接部２２に向けて挿入されていく。
灯体１２の枠体１１への挿入が進むと、灯体１２の段部３７が第１枠部１３の段部当接部２２に当接する。
そのため、灯体１２が枠体１１への装着位置に到達したことが作業者に促される。
そして、枠体１１に対して灯体１２が天井材１の下面から視て時計回転方向に回動される。 Next, as shown in FIG. 8, in the second stage, the lamp body 12 is moved from the lower side of the frame body 11 to the stepped portion contact section of the first frame section 13 from the lamp body insertion section 29 of the second frame section 14. It is inserted toward 22.
When the lamp body 12 is inserted into the frame body 11, the step portion 37 of the lamp body 12 comes into contact with the step portion contact portion 22 of the first frame portion 13.
Therefore, the operator is prompted that the lamp body 12 has reached the mounting position on the frame body 11.
Then, the lamp body 12 is rotated relative to the frame body 11 in the clockwise direction when viewed from the lower surface of the ceiling material 1.

次に、図９示すように、第３段階において、灯体１２が枠体１１に対して回動されることにより、灯体１２の受部３３が第１枠部１３の第１枠部本体２１に平行に移動していく。
そして、受部３３の移動に伴い、受部３３の誘導面３４に掛止部２４が誘導された後に、受部３３の当接面３５に掛止部２４が当接される。
これにより、灯体１２が枠体１１に対する垂直方向と水平方向と傾方向とに保持される。
そして、受部３３のねじ孔３６から掛止部２４のねじ孔２５に不図示のねじがねじ込まれることにより、灯体１２が枠体１１に取り付けられる。 Next, as shown in FIG. 9, in the third stage, the lamp body 12 is rotated with respect to the frame body 11, so that the receiving portion 33 of the lamp body 12 becomes the first frame section main body of the first frame section 13. It moves parallel to 21.
As the receiving portion 33 moves, the latching portion 24 is brought into contact with the abutment surface 35 of the receiving portion 33 after the latching portion 24 is guided to the guiding surface 34 of the receiving portion 33.
Thereby, the lamp body 12 is held in the vertical direction, the horizontal direction, and the tilt direction with respect to the frame body 11.
The lamp body 12 is attached to the frame body 11 by screwing a screw (not shown) from the screw hole 36 of the receiving portion 33 into the screw hole 25 of the latching portion 24.

次に、図１０示すように、第４段階において、天井材１の下方から、取付ばね１９が第１枠部１３の第１枠部本体２１のばね係止部２６に係止されることにより、補助反射板２０が灯体１２の外側に取り付けられる。 Next, as shown in FIG. 10, in the fourth stage, the attachment spring 19 is locked to the spring locking portion 26 of the first frame body 21 of the first frame portion 13 from below the ceiling material 1. The auxiliary reflector 20 is attached to the outside of the lamp body 12.

以上、説明した本発明に係る一実施形態の照明器具１０によれば、灯体１２が枠体１１に対する垂直方向と水平方向と傾方向とに保持されるために、灯体１２を枠体１１に簡単に確実に取り付けできる。
従って、照明器具１０によれば、組立作業性を良好にできる。
また、照明器具１０によれば、従来のもののように、灯体の支持を取付ばねで行わずに、灯体１２を枠体１１により支持する。
従って、照明器具１０によれば、大型化に対応できる。 As described above, according to the lighting fixture 10 of the embodiment according to the present invention described above, since the lamp body 12 is held in the vertical direction, the horizontal direction, and the tilt direction with respect to the frame body 11, the lamp body 12 is held in the frame body 11. Can be easily and securely attached.
Therefore, according to the lighting fixture 10, assembly workability | operativity can be made favorable.
Moreover, according to the luminaire 10, the lamp body 12 is supported by the frame body 11 without supporting the lamp body with an attachment spring, unlike the conventional one.
Therefore, according to the lighting fixture 10, it can respond to enlargement.

また、一実施形態の照明器具１０によれば、灯体１２の放熱フィン３２の基部に段部３７が形成される。
従って、照明器具１０によれば、第１枠部１３と灯体１２との間にある空間も利用して放熱フィン３２の表面積を大きくして放熱効率を向上できる。 Moreover, according to the lighting fixture 10 of one Embodiment, the step part 37 is formed in the base of the radiation fin 32 of the lamp body 12. FIG.
Therefore, according to the lighting fixture 10, the space between the first frame portion 13 and the lamp body 12 can also be used to increase the surface area of the radiating fins 32 and improve the radiating efficiency.

そして、一実施形態の照明器具１０によれば、灯体１２の位置決めが段部３７により行われる。
従って、照明器具１０によれば、別途にガイド部を設ける必要がなく、簡素な構造にできる。 And according to the lighting fixture 10 of one Embodiment, positioning of the lamp 12 is performed by the step part 37. FIG.
Therefore, according to the lighting fixture 10, it is not necessary to provide a guide part separately, and it can be made a simple structure.

さらに、一実施形態の照明器具１０によれば、段部３７が、放熱フィン３２の基部側において筒部３１の全周に平行に形成されている。
従って、照明器具１０によれば、長さが長く、筒部３１の全周に平行に形成される段部３７により板形状の第１枠部１に対して灯体１２を安定的に支持できる。 Furthermore, according to the lighting fixture 10 of one Embodiment, the step part 37 is formed in parallel with the perimeter of the cylinder part 31 in the base part side of the radiation fin 32. As shown in FIG.
Therefore, according to the lighting fixture 10, the lamp body 12 can be stably supported with respect to the plate-shaped first frame portion 1 by the step portion 37 that is long and formed in parallel with the entire circumference of the cylindrical portion 31. .

なお、本発明の照明器具においてＬＥＤ基板，ＬＥＤ，ＬＥＤユニット等は、前述した各実施形態に限定されるものでなく、適宜な変形や改良等が可能である。 In addition, in the lighting fixture of this invention, an LED board, LED, LED unit, etc. are not limited to each embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

１０照明器具
１１枠体
１２灯体
１３第１枠部
１４第２枠部
１８ＬＥＤユニット（光源ユニット）
２４掛止部
３３受部
３７段部 DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Frame 12 Lamp body 13 1st frame part 14 2nd frame part 18 LED unit (light source unit)
24 latching part 33 receiving part 37 step part

Claims

A lighting device embedded in a hole in a ceiling material,
A frame body embedded in the ceiling material embedded hole and fixed to the ceiling material;
A substantially cylindrical metal tube portion and a heat dissipating fin provided at an upper portion of the tube portion, and an upper surface of the heat dissipating fin that is parallel to the ceiling material along the outer periphery of the tube portion. It stepped portion comprising a are formed at a plurality of positions of the outer peripheral surface of the tubular portion, receiving portion used for hooking to the frame body is formed to project outward, and the light source to the inside of the cylindrical portion has a mounted that light body, and
The frame is
The lamp body has an inner diameter through which the heat dissipating fins can be inserted, is formed in an annular shape, is disposed in parallel with the ceiling material, and is provided at a position corresponding to each receiving portion of the lamp body. A first frame portion comprising a plurality of protruding pieces protruding ;
A second frame part disposed in parallel to the first frame part below the first frame part and having an inner diameter through which the tube part of the lamp body can be inserted ;
A plurality of connections that connect the first frame portion and the second frame portion, and that are provided on the outer surface thereof with a ceiling mounting member that is locked to the upper surface of the ceiling material and fixes the frame body to the ceiling material. And
Have
The protruding piece of the first frame portion protrudes downward, has a protruding portion whose length is shorter than the vertical length of the connecting portion, and is bent inward from the protruding portion in parallel with the ceiling material. A bent portion, and the whole is formed in an L shape, and the bent portion serves as a latching portion for latching the receiving portion of the lamp body ,
Each receiving part of the lamp body is continuous with the first part which is a thin part and the first part, and is located at an end of the receiving part in a direction parallel to the ceiling material, and A second portion that is a thick portion, and a space corresponding to a difference in thickness with the second portion is formed below the first portion,
In the case where the lamp body is embedded in the embedded hole of the ceiling member, when the lamp body is inserted from below the frame body, the upper surface of the stepped portion of the radiating fin in the lamp body is the first frame. When the lamp is positioned in contact with the lower surface of the lamp and the lamp is rotated in parallel with the ceiling member , the lamp is placed in the space below the first portion of each receiving part of the lamp. The respective latching portions of the first frame portion enter, the respective latching portions come into contact with the second portions of the respective receiving portions, and the rotation is restricted so that the respective receiving portions are the respective latching portions. to hooked Ru lighting fixtures.