JP6199068B2 - lighting equipment - Google Patents
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- JP6199068B2 JP6199068B2 JP2013092208A JP2013092208A JP6199068B2 JP 6199068 B2 JP6199068 B2 JP 6199068B2 JP 2013092208 A JP2013092208 A JP 2013092208A JP 2013092208 A JP2013092208 A JP 2013092208A JP 6199068 B2 JP6199068 B2 JP 6199068B2
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Description
本発明は、設置部に取り付けられる枠体および前記枠体に支持される灯体を備える照明器具に関するものである。 The present invention relates to a luminaire including a frame attached to an installation portion and a lamp supported by the frame.
従来、天井等に設けられた埋設孔に埋め込まれてダウンライト等に適用される照明器具が使用されている。例えば、特許文献1には、図7に示すように、枠体101と、枠体101とは別構成で光源としてLEDを有する灯体102とを備える照明器具100が開示されている。 2. Description of the Related Art Conventionally, a lighting fixture that is embedded in a buried hole provided in a ceiling or the like and applied to a downlight or the like has been used. For example, as shown in FIG. 7, Patent Literature 1 discloses a lighting fixture 100 including a frame body 101 and a lamp body 102 having a configuration different from that of the frame body 101 and having an LED as a light source.
特許文献1に記載の照明器具は、枠体101の下方から灯体102を挿入して灯体102を枠体101に取り付ける。より具体的には、枠体101が第1枠部103と第2枠部104を有し、枠体101に挿入された灯体102の段部105が第1枠部103の段部当接部106に当接し、灯体102に対して枠体101を回動させることにより、灯体102の受部107が第1枠部103の掛止部108に当接することで灯体102が枠体101に取り付けられる。つまり灯体102の枠体101への挿入方向の位置決めは、段部105および段部当接部106の当接によりなされている。 In the luminaire described in Patent Document 1, the lamp body 102 is inserted from below the frame body 101 to attach the lamp body 102 to the frame body 101. More specifically, the frame body 101 has a first frame portion 103 and a second frame portion 104, and the step portion 105 of the lamp body 102 inserted into the frame body 101 is in contact with the step portion of the first frame portion 103. When the frame body 101 is rotated with respect to the lamp body 102 by abutting against the portion 106, the receiving section 107 of the lamp body 102 abuts against the latching section 108 of the first frame section 103, so that the lamp body 102 is framed. It is attached to the body 101. That is, the lamp body 102 is positioned in the insertion direction of the lamp body 102 in the frame 101 by the contact between the step portion 105 and the step portion contact portion 106.
しかしながら、特許文献1に記載の照明器具100にあっては、挿入方向における枠体101に対する灯体102の位置決め、つまり第1枠部103への放熱フィン109の挿入方向の位置決めは考慮されているものの、挿入方向に対する灯体102の傾きについては全く考慮されていない。 However, in the lighting fixture 100 described in Patent Document 1, the positioning of the lamp body 102 with respect to the frame body 101 in the insertion direction, that is, the positioning of the radiation fin 109 in the insertion direction with respect to the first frame portion 103 is considered. However, no consideration is given to the inclination of the lamp body 102 with respect to the insertion direction.
つまり、第1枠部103の内周部、つまり段部当接部106に沿って灯体102を挿入させたときに、仮に灯体102の挿入方向に対して放熱フィン109が斜めに傾いていると、放熱フィン109が段部当接部106に引っ掛かり灯体102をスムーズに挿入できない。あるいは、挿入できたとしても放熱フィン109が傾いたままであると、灯体102の回動時に放熱フィン109が第1枠部103の内周部である段部当接部106に引っかかりスムーズに回動させることができず、枠体101に対する灯体102の取り付け作業が困難になる虞がある。同様の問題は灯体102を枠体101から取り外す際にも生じる。 That is, when the lamp body 102 is inserted along the inner peripheral portion of the first frame portion 103, that is, the stepped portion contact section 106, the radiating fins 109 are inclined obliquely with respect to the insertion direction of the lamp body 102. If this is the case, the radiating fin 109 is caught by the stepped portion contact portion 106 and the lamp body 102 cannot be inserted smoothly. Alternatively, if the radiating fin 109 remains tilted even if it can be inserted, the radiating fin 109 is caught by the stepped portion contact portion 106 that is the inner peripheral portion of the first frame portion 103 when the lamp body 102 is rotated, and smoothly rotates. It cannot be moved, and there is a possibility that the attaching work of the lamp body 102 to the frame body 101 becomes difficult. A similar problem occurs when the lamp body 102 is removed from the frame body 101.
本発明は、上記問題に鑑みてなされたものであり、枠体に対して灯体を取り付ける際に、より取り付け作業が容易になる照明器具を提供することを目的とする。 The present invention has been made in view of the above problems, and an object of the present invention is to provide a lighting fixture that can be attached more easily when the lamp is attached to the frame.
本発明は、光源を有する灯体と、設置部に取り付けられ、前記灯体を支持する枠体とを備える照明器具であって、前記灯体は、前記枠体に挿入する略円柱状の挿入部と、前記灯体を前記枠体に支持する支持部とを有し、前記枠体は、前記挿入部が挿入される円筒状のガイド部と、中央部に開口を有し前記支持部が載置される円板状の台座部とを有しており、前記台座部は、前記支持部が通過する切欠部を有し、前記ガイド部は、前記切欠部に対し前記灯体の挿入方向側に配置されてあり、前記切欠部を通過した前記支持部の挿入方向の移動を規制する規制部を有することを特徴とする。 The present invention is a lighting fixture including a lamp body having a light source and a frame body that is attached to an installation portion and supports the lamp body, and the lamp body is inserted in a substantially cylindrical shape that is inserted into the frame body. And a support part that supports the lamp body to the frame body, the frame body has a cylindrical guide part into which the insertion part is inserted, and an opening in the center part, and the support part has and have a disk-shaped pedestal portion to be placed, the base portion has a notch in which the support part passes, wherein the guide portion, the insertion direction of the lamp body to the notch Yes is arranged on the side, characterized in that it have a regulating portion for regulating the movement in the insertion direction of the support portion which has passed through the notch.
また、本発明は、前記枠体は、前記切欠部から前記枠体の周方向に連通し、前記支持部を前記枠体の周方向に案内する案内溝と、前記切欠部と前記支持部の載置位置の間において、前記台座部から前記案内溝方向に突出する突起部とを有することを特徴とする。 According to the present invention, the frame body communicates with the circumferential direction of the frame body from the cutout portion, and guide grooves guide the support portion in the circumferential direction of the frame body. Between the mounting positions, it has a projection that protrudes from the pedestal in the direction of the guide groove.
また、本発明は、前記枠体は、前記台座部の内周部と前記ガイド部を連結するとともに、前記台座部の内周部から前記ガイド部に向かうに従い縮径した円筒状をなすテーパ部を有することを特徴とする。 Further, in the present invention, the frame body connects the inner peripheral portion of the pedestal portion and the guide portion, and has a tapered portion having a cylindrical shape whose diameter is reduced from the inner peripheral portion of the pedestal portion toward the guide portion. It is characterized by having.
また、本発明は、前記台座部から先端部が突出した状態で前記台座部に保持され、前記支持部を前記台座部に固定する固定部材を備え、前記支持部は、該支持部の側面部から前記固定部材の固定位置まで前記固定部材を案内する案内部を有することを特徴とする。 Further, the present invention includes a fixing member that is held by the pedestal portion in a state in which a tip portion protrudes from the pedestal portion, and fixes the support portion to the pedestal portion, and the support portion is a side portion of the support portion. And a guide portion for guiding the fixing member to a fixing position of the fixing member.
本発明によれば、枠体に対して灯体を取り付ける際に、より容易に取り付け作業を行うことができる。 According to the present invention, when attaching the lamp body to the frame body, the attaching operation can be performed more easily.
(第1の実施形態)
本発明の第1の実施形態について説明する。本実施形態では、一例として天井等の設置部に設けられた埋め込み孔に挿入して取り付けられる、いわゆるダウンライトに適用される照明器具について説明する。
(First embodiment)
A first embodiment of the present invention will be described. In the present embodiment, as an example, a lighting apparatus applied to a so-called downlight, which is inserted into an embedded hole provided in an installation part such as a ceiling, is described.
図1は、本実施形態に係る照明器具10の外観を示す斜視図である。図2は、図1に示す照明器具の分解斜視図である。図3は、図1に示す照明器具10の側面図である。図4は、図1に示す照明器具10が有する枠体1の斜視図である。なお、図4の(a)は枠体1を下方から見た斜視図であり、(b)は枠体1を上方から見た斜視図である。図5は、図1に示す照明器具10が有する灯体2の斜視図であり、(a)は灯体2を下方から見た斜視図であり、(b)は灯体2を上方から見た斜視図である。図6は、枠体1に対する灯体2の取り付け方法の説明図である。 FIG. 1 is a perspective view showing an appearance of a lighting fixture 10 according to the present embodiment. FIG. 2 is an exploded perspective view of the lighting fixture shown in FIG. FIG. 3 is a side view of the lighting fixture 10 shown in FIG. 1. FIG. 4 is a perspective view of the frame 1 included in the lighting fixture 10 illustrated in FIG. 1. 4A is a perspective view of the frame 1 viewed from below, and FIG. 4B is a perspective view of the frame 1 viewed from above. 5 is a perspective view of the lamp body 2 included in the lighting fixture 10 shown in FIG. 1. FIG. 5A is a perspective view of the lamp body 2 viewed from below, and FIG. 5B is a perspective view of the lamp body 2 viewed from above. FIG. FIG. 6 is an explanatory diagram of a method for attaching the lamp body 2 to the frame body 1.
図1および図2に示すように、照明器具10は、枠体1、灯体2、補助反射板3を備える。 As shown in FIGS. 1 and 2, the lighting fixture 10 includes a frame body 1, a lamp body 2, and an auxiliary reflector 3.
図2に示すように、枠体1は、中央に開口4aを有する円環状の第1枠部4と、同じく中央に開口5aを有する円環状の第2枠部5と、第1枠部と第2枠部とを接続する複数の接続部11を有する。 As shown in FIG. 2, the frame 1 includes an annular first frame portion 4 having an opening 4a in the center, an annular second frame portion 5 having an opening 5a in the center, and a first frame portion. A plurality of connection portions 11 for connecting the second frame portion are provided.
第1枠部4と第2枠部5は、図4に示すように、略同心円上に第1枠部4が上方に位置するように配置され、開口4a及び開口5aの開口面に垂直な方向に適長離隔して平行に設けられる。また接続部11は、第1枠部4と第2枠部5の周方向に沿ってほぼ等間隔に3個所設けられている。各接続部11の長手方向の両端部は、ねじ41およびリベット5bにより第1枠部4と第2枠部5にそれぞれ固定されている。 As shown in FIG. 4, the first frame portion 4 and the second frame portion 5 are arranged so that the first frame portion 4 is positioned on a substantially concentric circle and is perpendicular to the opening surfaces of the openings 4 a and 5 a. It is provided in parallel with an appropriate distance in the direction. Three connection portions 11 are provided at substantially equal intervals along the circumferential direction of the first frame portion 4 and the second frame portion 5. Both ends in the longitudinal direction of each connection portion 11 are fixed to the first frame portion 4 and the second frame portion 5 by screws 41 and rivets 5b, respectively.
第1枠部4は、中央部に円形の開口4aを有する円板状の台座部42、台座部42の内周部42a近傍から開口4aの内側上方向に延設された傾斜面を有する円筒状のテーパ部43と、テーパ部43の上端部43aから略垂直上方に延設された円筒状のガイド部44を有する。すなわち、テーパ部43は台座部42とガイド部44の間で両部材を連結している。 The first frame portion 4 has a disk-shaped pedestal portion 42 having a circular opening 4a in the center, and a cylinder having an inclined surface extending from the vicinity of the inner peripheral portion 42a of the pedestal portion 42 to the upper side inside the opening 4a. And a cylindrical guide portion 44 extending substantially vertically upward from the upper end portion 43a of the taper portion 43. That is, the taper portion 43 connects both members between the pedestal portion 42 and the guide portion 44.
ガイド部44は、内径が台座部42の内周部42aの直径よりもわずかに小さい。またテーパ部43の上端部43a、つまりガイド部44の下端部は内周部42aよりも垂直上方側に位置している。したがって、ガイド部44の下端部と内周部42aを連結するテーパ部43は、内周部42aからガイド部44側に向かうに従って縮径するように形成され、ガイド部44および台座部42に対して傾斜面をなす。なお、第1枠部4には後述する灯体2の円柱状のヒートシンク6が挿入される。 The guide portion 44 has an inner diameter slightly smaller than the diameter of the inner peripheral portion 42 a of the pedestal portion 42. Further, the upper end portion 43a of the taper portion 43, that is, the lower end portion of the guide portion 44 is located vertically above the inner peripheral portion 42a. Therefore, the taper portion 43 that connects the lower end portion of the guide portion 44 and the inner peripheral portion 42 a is formed so as to decrease in diameter from the inner peripheral portion 42 a toward the guide portion 44 side, with respect to the guide portion 44 and the pedestal portion 42. Make an inclined surface. Note that a columnar heat sink 6 of the lamp body 2 described later is inserted into the first frame portion 4.
台座部42は、内周部42aの一部に矩形状に開口したバネ係止部42bが開口4aを間にして対向する2個所に設けられている。バネ係止部42bには後述のキックバネ8が係止される。また、台座部42には、接続部11を固定するねじ41が挿通される貫通孔が形成されている。 The pedestal portion 42 is provided with two spring engaging portions 42b that are opened in a rectangular shape in a part of the inner peripheral portion 42a and face each other with the opening 4a therebetween. A later-described kick spring 8 is locked to the spring locking portion 42b. The pedestal portion 42 is formed with a through hole through which the screw 41 for fixing the connection portion 11 is inserted.
さらに、台座部42には、開口4aを間にして対向する2個所に後述するアーム部73を挿通されて通過する矩形の切欠部42cが形成されている。切欠部42cは、テーパ部43を径方向に縦断し、さらにガイド部44の途中まで延設されている。すなわち切欠部42cは台座部42とガイド部44の間に形成された矩形状の貫通孔である。なお、バネ係止部42b,42bと切欠部42c,42cは、台座部42の周方向に略等間隔に設けられている。 Further, the pedestal portion 42 is formed with a rectangular cutout portion 42c that passes through an arm portion 73 described later at two locations facing each other with the opening 4a therebetween. The notch portion 42 c is longitudinally cut in the taper portion 43 in the radial direction, and further extends to the middle of the guide portion 44. That is, the notch portion 42 c is a rectangular through hole formed between the pedestal portion 42 and the guide portion 44. The spring locking portions 42 b and 42 b and the notches 42 c and 42 c are provided at substantially equal intervals in the circumferential direction of the pedestal portion 42.
また、ガイド部44は切欠部42cに対し灯体2の挿入方向側に位置しており、切欠部42cの上端部、つまりガイド部44の下端には、切欠部42cに挿入されたアーム部73の挿入方向の移動を規制する規制部44aが形成されている。つまり、切欠部42cに垂直上方向に挿入されたアーム部73は、規制部44aに当接するので、垂直上方向への移動が規制される。 The guide portion 44 is positioned on the insertion direction side of the lamp body 2 with respect to the notch portion 42c, and an arm portion 73 inserted into the notch portion 42c is provided at the upper end portion of the notch portion 42c, that is, the lower end of the guide portion 44. A restricting portion 44a for restricting movement in the insertion direction is formed. That is, the arm portion 73 inserted in the vertically upward direction into the notch portion 42c abuts on the restricting portion 44a, so that the movement in the vertically upward direction is restricted.
また、ガイド部44およびテーパ部43には切欠部42cの上端部分に連通し、切欠部42cからガイド部44およびテーパ部43の周方向に延設される貫通孔である案内溝42dが形成されている。案内溝42dは、規制部44aと台座部42の内周部42aの間に形成される。また案内溝42dは、高さ方向の幅(厚さ寸法)がアーム部73の高さ方向の幅よりも大きく、アーム部73が第1枠部4の周方向に沿って案内溝42d内を移動できるように形成されている。 The guide portion 44 and the taper portion 43 are formed with a guide groove 42d that is a through hole that communicates with the upper end portion of the notch portion 42c and extends in the circumferential direction of the guide portion 44 and the taper portion 43 from the notch portion 42c. ing. The guide groove 42 d is formed between the restricting portion 44 a and the inner peripheral portion 42 a of the pedestal portion 42. Further, the guide groove 42 d has a width in the height direction (thickness dimension) larger than the width in the height direction of the arm portion 73, and the arm portion 73 extends in the guide groove 42 d along the circumferential direction of the first frame portion 4. It is formed so that it can move.
また、案内溝42dの切欠部42c側の端部には、内周部42aから案内溝42dの内側方向に突起する突起部42fが設けられている。つまり、突起部42fは、切欠部42cと、台座部42におけるアーム部73の載置位置との間に設けられる。突起部42fの上端と案内溝42dの上端との間には隙間42gが形成されている。隙間42gは、切欠部42cに挿入されたアーム部73を第1枠部4の周方向に回転させたときに通過できる程度の高さ方向の幅に形成されている。つまり隙間42gの高さ方向の幅はアーム部73の高さ方向の幅よりもわずかに大きい。 In addition, a protrusion 42f that protrudes from the inner peripheral portion 42a toward the inside of the guide groove 42d is provided at the end of the guide groove 42d on the side of the notch 42c. That is, the projecting portion 42 f is provided between the notch portion 42 c and the mounting position of the arm portion 73 in the pedestal portion 42. A gap 42g is formed between the upper end of the protrusion 42f and the upper end of the guide groove 42d. The gap 42g is formed with a width in the height direction so that the arm portion 73 inserted into the cutout portion 42c can pass when the arm portion 73 is rotated in the circumferential direction of the first frame portion 4. That is, the width of the gap 42g in the height direction is slightly larger than the width of the arm portion 73 in the height direction.
次に、第2枠部5は、中央部に開口5aを有する円板状の化粧枠51と、化粧枠51の内周部51aから垂直上方に延設された円筒部52とを有する。化粧枠51は、照明器具10を天井に設けられた埋め込み孔(不図示)に挿入して取り付けたときに、上記埋め込み孔の周縁を覆い天井面に当接する。円筒部52には、リベット5bにより接続部11の下端部が取り付けられる。 Next, the second frame portion 5 includes a disk-shaped decorative frame 51 having an opening 5 a at the center, and a cylindrical portion 52 extending vertically upward from the inner peripheral portion 51 a of the decorative frame 51. The decorative frame 51 covers the periphery of the embedded hole and abuts the ceiling surface when the lighting fixture 10 is inserted and attached to an embedded hole (not shown) provided in the ceiling. A lower end portion of the connection portion 11 is attached to the cylindrical portion 52 by a rivet 5b.
図4に示す接続部11は、矩形状の板部材であり、第1枠部4の台座部42と第2枠部5の円筒部52に固定される。具体的には、接続部11の上端部に先端がL字状に屈曲した屈曲部11aを有し、屈曲部11aに設けられたねじ穴とねじ41により屈曲部11aが台座部42に固定される。また、接続部11の下端部の設けられた貫通孔とリベット5bにより上記下端部が円筒部52に固定される。また、接続部11の中央部には長手方向に延びるスリット12が形成されており、スリット12に図1および図3に示すように公知の取付金具13が取り付けられている。取付金具13と化粧枠51との間に天井面を挟持することにより照明器具10を天井に設けられた埋め込み孔に取り付けることができる。 The connection part 11 shown in FIG. 4 is a rectangular plate member, and is fixed to the pedestal part 42 of the first frame part 4 and the cylindrical part 52 of the second frame part 5. Specifically, the upper end portion of the connecting portion 11 has a bent portion 11a whose tip is bent in an L shape, and the bent portion 11a is fixed to the pedestal portion 42 by a screw hole and a screw 41 provided in the bent portion 11a. The Further, the lower end portion is fixed to the cylindrical portion 52 by the through hole provided at the lower end portion of the connection portion 11 and the rivet 5b. A slit 12 extending in the longitudinal direction is formed at the center of the connecting portion 11, and a known mounting bracket 13 is attached to the slit 12 as shown in FIGS. 1 and 3. By holding the ceiling surface between the mounting bracket 13 and the decorative frame 51, the lighting fixture 10 can be attached to the embedded hole provided in the ceiling.
次に、図5に示す灯体2について説明する。灯体2は、ヒートシンク6と、灯具本体7を有する。 Next, the lamp body 2 shown in FIG. 5 will be described. The lamp body 2 includes a heat sink 6 and a lamp body 7.
ヒートシンク6は、アルミニウム等の金属製材料からなり、押出し成型により形成される外形が円柱状をなす部材である。ヒートシンク6は、枠体1に挿入する挿入部である。ヒートシンク6は、中実の軸部61と軸部61の外周面から径方向に延設され、軸部61の周方向に沿って複数設けられた放熱フィン62を有する。複数の放熱フィン62の側面により形成されるヒートシンク6の外周面63はほぼ円柱の外周面をなすように形成されている。外周面63の直径はガイド部44の内径よりわずかに小さい寸法に形成されている。 The heat sink 6 is a member made of a metal material such as aluminum and having an outer shape formed by extrusion forming a cylindrical shape. The heat sink 6 is an insertion portion that is inserted into the frame body 1. The heat sink 6 includes a solid shaft portion 61 and a plurality of heat dissipating fins 62 extending in the radial direction from the outer peripheral surface of the shaft portion 61 and provided along the circumferential direction of the shaft portion 61. The outer peripheral surface 63 of the heat sink 6 formed by the side surfaces of the plurality of radiating fins 62 is formed so as to form a substantially cylindrical outer peripheral surface. The diameter of the outer peripheral surface 63 is formed to be slightly smaller than the inner diameter of the guide portion 44.
軸部61の不図示の下面部には光源であるLED(不図示)が実装されており、LEDからの熱が上記下面部から軸部61を介して放熱フィン62に伝導され、放熱フィン62からLEDの熱を外部に放熱することができる。 An LED (not shown), which is a light source, is mounted on a lower surface portion (not shown) of the shaft portion 61, and heat from the LED is conducted from the lower surface portion to the heat radiation fin 62 via the shaft portion 61. The heat of the LED can be radiated to the outside.
灯具本体7は、光源としてのLEDを収容する筒状の金属部材であり、ヒートシンク6とは別体に構成されている。なお、灯具本体7とヒートシンク6とは不図示のねじにより固定されている。灯具本体7は、円錐台状の本体部71、本体部71から連接された筒部72、本体部71から側方に突出して設けられた矩形状のアーム部73を有する。アーム部73は灯体2を枠体1に支持する支持部である。アーム部73は灯体2が有するヒートシンク6の外周面63よりも外側に突出している。なお、本実施形態では、アーム部73は灯具本体7に設けられているが、ヒートシンク6に支持部としてのアーム部を設けてもよい。 The lamp body 7 is a cylindrical metal member that accommodates an LED as a light source, and is configured separately from the heat sink 6. The lamp body 7 and the heat sink 6 are fixed by screws (not shown). The lamp body 7 includes a truncated cone-shaped main body portion 71, a cylindrical portion 72 connected to the main body portion 71, and a rectangular arm portion 73 provided so as to protrude laterally from the main body portion 71. The arm portion 73 is a support portion that supports the lamp body 2 on the frame body 1. The arm portion 73 projects outward from the outer peripheral surface 63 of the heat sink 6 included in the lamp body 2. In this embodiment, the arm portion 73 is provided on the lamp body 7, but an arm portion as a support portion may be provided on the heat sink 6.
筒部72の下面にはガラス製の透光部74が設けられており、透光部74からLEDの光を出射する。なお、本体部71の不図示の内面はLEDからの光を反射する反射面を形成する。 A light transmitting portion 74 made of glass is provided on the lower surface of the cylindrical portion 72, and LED light is emitted from the light transmitting portion 74. The inner surface (not shown) of the main body 71 forms a reflection surface that reflects light from the LED.
アーム部73は、台座部42の上面に載置されることで灯体2を枠体1に支持する部材である。具体的には、アーム部73は、台座部42の上面における切欠部42cに隣接する位置であり、かつ案内溝42dに対向する面(案内溝42dの径方向外側に位置する面)に載置される(図1参照)。そして、図4に示す台座部42に設けられたねじ孔42eの位置で、ねじ孔42eに下面側から挿入された固定部材としてのローレットビス45によりアーム部73が固定される。なお、ローレットビス45は台座部42から落下しないようにねじ孔42eに予め保持されており、先端部がねじ孔42eから突出している。 The arm portion 73 is a member that supports the lamp body 2 to the frame body 1 by being placed on the upper surface of the pedestal portion 42. Specifically, the arm portion 73 is placed on a surface adjacent to the notch portion 42c on the upper surface of the pedestal portion 42 and facing the guide groove 42d (a surface located on the radially outer side of the guide groove 42d). (See FIG. 1). And the arm part 73 is fixed by the position of the screw hole 42e provided in the base part 42 shown in FIG. 4 with the knurled screw 45 as a fixing member inserted into the screw hole 42e from the lower surface side. The knurled screw 45 is held in advance in the screw hole 42e so as not to fall from the pedestal portion 42, and the tip portion protrudes from the screw hole 42e.
アーム部73は本体部71を間にして対向する2個所に本体部71と一体的に設けられており、2個所のアーム部73で灯体2を枠体1に支持できる強度を有している。アーム部73の下面には台座部42から突出するローレットビス45を案内する溝状の案内部73aと、案内部73aの端部に設けられローレットビス45が挿通する貫通孔73bを有する。 The arm portion 73 is provided integrally with the main body portion 71 at two locations facing each other with the main body portion 71 therebetween, and has strength that can support the lamp body 2 on the frame body 1 by the two arm portions 73. Yes. The lower surface of the arm portion 73 has a groove-shaped guide portion 73a that guides the knurled screw 45 protruding from the pedestal portion 42, and a through hole 73b that is provided at an end portion of the guide portion 73a and through which the knurled screw 45 is inserted.
次に、図2に示す補助反射板3は、枠体1の化粧枠51の内側に鏡面加工された反射面を形成する下方に向かって拡径した筒状の部材であり、上端31に取り付けられたV字状のキックバネ8により枠体1に保持される。具体的には、枠体1および灯体2が天井に設けられた埋め込み孔に取り付けられた状態で、キックバネ8を台座部42のバネ係止部42bに挿通し、キックバネ8により上方に作用する付勢力で補助反射板3下端に位置する枠部32が化粧枠51の下面に係止する。このようにして、キックバネ8の作用により補助反射板3が枠体1に取り付けられる。 Next, the auxiliary reflecting plate 3 shown in FIG. 2 is a cylindrical member whose diameter is expanded downward to form a mirror-finished reflecting surface inside the decorative frame 51 of the frame 1, and is attached to the upper end 31. The V-shaped kick spring 8 is held by the frame 1. Specifically, in a state where the frame 1 and the lamp body 2 are attached to the embedding hole provided in the ceiling, the kick spring 8 is inserted into the spring locking portion 42b of the pedestal portion 42 and acts upward by the kick spring 8. The frame portion 32 positioned at the lower end of the auxiliary reflector 3 is locked to the lower surface of the decorative frame 51 by the urging force. In this way, the auxiliary reflector 3 is attached to the frame 1 by the action of the kick spring 8.
次に、照明器具10の取り付け手順について図2および図6を用いて説明する。 Next, the attachment procedure of the lighting fixture 10 is demonstrated using FIG. 2 and FIG.
まず、枠体1を天井等に設けられた埋め込み孔に第1枠部4側から図2の矢印Aに示す方向に挿入し、第2枠部5の化粧枠51の上面を天井面における埋め込み孔の周囲の部分に当接させる。3個所の接続部11に取り付けられた取付金具13は、化粧枠51が天井面に当接するときに埋め込み孔よりも外側に突出する。これにより、取付金具13と化粧枠51の間に天井面が狭持され、枠体1が天井に保持される。 First, the frame 1 is inserted into an embedding hole provided in the ceiling or the like in the direction indicated by the arrow A in FIG. 2 from the first frame 4 side, and the upper surface of the decorative frame 51 of the second frame 5 is embedded in the ceiling surface. It abuts on the peripheral part of the hole. The attachment fittings 13 attached to the three connection portions 11 protrude outward from the embedding hole when the decorative frame 51 comes into contact with the ceiling surface. Thereby, a ceiling surface is pinched between the attachment metal fitting 13 and the decorative frame 51, and the frame 1 is hold | maintained on a ceiling.
次に、灯体2をヒートシンク6側から第2枠部5の開口5aの下方側から同じく矢印Aの方向に挿入する。このとき、灯体2のアーム部73の位置を第1枠部4の切欠部42cの位置に合わせて挿入する。切欠部42cの位置は、灯体2の挿入時に天井面の下方から確認することが可能である。 Next, the lamp body 2 is inserted in the direction of arrow A from the lower side of the opening 5a of the second frame portion 5 from the heat sink 6 side. At this time, the position of the arm part 73 of the lamp body 2 is inserted in accordance with the position of the notch part 42 c of the first frame part 4. The position of the notch 42c can be confirmed from below the ceiling surface when the lamp body 2 is inserted.
灯体2のアーム部73が第2枠部5を通過し、さらに第1枠部4の切欠部42cに挿入され切欠部42cを通過すると、アーム部73の上面がガイド部44の規制部44aに当接し、図6の(a)で示される状態になる。このとき、作業者は灯体2を枠体1に対して回転させる位置であることがわかる。 When the arm part 73 of the lamp body 2 passes through the second frame part 5 and is further inserted into the notch part 42c of the first frame part 4 and passes through the notch part 42c, the upper surface of the arm part 73 becomes the regulating part 44a of the guide part 44. To a state shown in FIG. At this time, it can be seen that the operator is in a position to rotate the lamp body 2 with respect to the frame body 1.
次に、アーム部73が規制部44aに位置した状態で灯体2を作業者側から見て時計回り、つまり図6(a)の矢印Bで示す案内溝42dが延びる方向に回動させる。アーム部73は、まず切欠部42cの上端からガイド部44の周方向に連接された隙間42gを通過する。アーム部73の回転方向と反対側の端部が隙間42gを通過すると、アーム部73の回転方向側の端部が案内溝42dの回転方向側の端部42d1に当接する。このとき、図6の(b)で示される状態になり、作業者はアーム部73を枠体1の台座部42に載置する位置であることがわかる。 Next, the lamp body 2 is rotated clockwise as viewed from the operator side with the arm portion 73 positioned at the restricting portion 44a, that is, in the direction in which the guide groove 42d indicated by the arrow B in FIG. The arm portion 73 first passes through the gap 42g connected in the circumferential direction of the guide portion 44 from the upper end of the notch portion 42c. When the end portion on the opposite side to the rotation direction of the arm portion 73 passes through the gap 42g, the end portion on the rotation direction side of the arm portion 73 comes into contact with the end portion 42d1 on the rotation direction side of the guide groove 42d. At this time, the state shown in FIG. 6B is obtained, and it is understood that the operator is in a position to place the arm portion 73 on the pedestal portion 42 of the frame body 1.
次に、灯体2のアーム部73を台座部42に載置し、2個所のアーム部73の貫通孔73bに台座部42から突出したローレットビス45を締結することで、アーム部73は台座部42に固定され、これにより枠体1に灯体2が固定される。このとき、アーム部73の回転方向と反対側の位置、つまりアーム部73の載置位置と切欠部42cとの間には台座部42から上方向に突起する突起部42fが位置する。台座部42に載置されたアーム部73が固定される前であっても、突起部42fによりアーム部73が切欠部42c側に移動することを規制することができるので、取り付け作業時における灯体2の落下を防止することができる。 Next, the arm portion 73 of the lamp body 2 is placed on the pedestal portion 42, and the knurled screw 45 projecting from the pedestal portion 42 is fastened to the through holes 73 b of the two arm portions 73, so that the arm portion 73 becomes the pedestal. The lamp body 2 is fixed to the frame body 1 by being fixed to the portion 42. At this time, a protruding portion 42f protruding upward from the pedestal portion 42 is located at a position opposite to the rotation direction of the arm portion 73, that is, between the mounting position of the arm portion 73 and the notch portion 42c. Even before the arm portion 73 placed on the pedestal portion 42 is fixed, it is possible to restrict the movement of the arm portion 73 toward the cutout portion 42c by the projection 42f. The fall of the body 2 can be prevented.
最後に、補助反射板3に取り付けられたキックバネ8を、キックバネ8の両端部が近づく方向に縮めてバネ係止部42bに挿入する。補助反射板3を枠体1の方向に挿入するに従って、キックバネ8が広がり、補助反射板3を垂直上方向に付勢する力により補助反射板3の枠部32が化粧枠51の下面に係止して補助反射板3が枠体1に取り付けられる。以上の手順により照明器具10の取り付け作業を完了する。 Finally, the kick spring 8 attached to the auxiliary reflector 3 is contracted in the direction in which both ends of the kick spring 8 approach each other and inserted into the spring locking portion 42b. As the auxiliary reflecting plate 3 is inserted in the direction of the frame 1, the kick spring 8 is expanded, and the frame portion 32 of the auxiliary reflecting plate 3 is engaged with the lower surface of the decorative frame 51 by the force that urges the auxiliary reflecting plate 3 vertically upward. Then, the auxiliary reflector 3 is attached to the frame 1. The attachment work of the lighting fixture 10 is completed by the above procedure.
以上の取り付け手順において、灯体2を枠体1に挿入するときにヒートシンク6の外周面63がガイド部44の内周面と面接触可能に挿入できるため、灯体2を枠体1に対し確実に垂直方向に挿入することが可能となる。すなわち、灯体2の挿入方向(垂直方向)に対して灯体2が斜めに傾きにくくすることができるので、図7の従来の照明器具100のように灯体102の挿入時に放熱フィン109が枠体101に引っ掛かり、挿入作業がしにくくなることを防止できる。 In the above attachment procedure, when the lamp body 2 is inserted into the frame body 1, the outer peripheral surface 63 of the heat sink 6 can be inserted so as to come into surface contact with the inner peripheral surface of the guide portion 44. It becomes possible to insert in the vertical direction with certainty. That is, since the lamp body 2 can be made difficult to be inclined obliquely with respect to the insertion direction (vertical direction) of the lamp body 2, when the lamp body 102 is inserted, the heat dissipating fins 109 are provided when the lamp body 102 is inserted as in the conventional lighting fixture 100 of FIG. It is possible to prevent the frame 101 from being caught and difficult to perform the insertion work.
さらに、外周面63とガイド部44の内周面は、面同士が互いに対向しているので、灯体2を枠体1への挿入後に回動させる際にも灯体2が斜め傾きにくく、したがって放熱フィン62がガイド部44の内面に引っ掛からずにスムーズに灯体2を回転させることができる。 Furthermore, since the outer peripheral surface 63 and the inner peripheral surface of the guide portion 44 face each other, the lamp body 2 is not easily inclined obliquely when the lamp body 2 is rotated after being inserted into the frame body 1. Therefore, the lamp body 2 can be smoothly rotated without the radiating fin 62 being caught on the inner surface of the guide portion 44.
また、ガイド部44と台座部42との間にテーパ部43が形成されているので、外周面63より内径が大きい台座部42の内周部42aからテーパ部43の傾斜面に沿ってガイド部44側にヒートシンク6を案内しながら挿入することができる。これにより、外周面63の直径とガイド部44の内径の差がわずかであっても、スムーズにヒートシンク6をガイド部44に挿入することができる。 Further, since the tapered portion 43 is formed between the guide portion 44 and the pedestal portion 42, the guide portion extends along the inclined surface of the tapered portion 43 from the inner peripheral portion 42 a of the pedestal portion 42 having an inner diameter larger than the outer peripheral surface 63. The heat sink 6 can be inserted into the 44 side while being guided. Thereby, even if the difference between the diameter of the outer peripheral surface 63 and the inner diameter of the guide portion 44 is small, the heat sink 6 can be smoothly inserted into the guide portion 44.
また、ローレットビス45は台座部42から落下しないようにねじ孔42eに予め保持されており、先端がねじ孔42eから突出している。この状態で灯体2とともに回動するアーム部73の案内部73aに沿ってローレットビス45の先端部が案内される。これにより、スムーズにローレットビス45をアーム部73の側面部から固定位置である貫通孔73bまで案内することができる。 Further, the knurled screw 45 is held in advance in the screw hole 42e so as not to fall from the pedestal portion 42, and the tip protrudes from the screw hole 42e. In this state, the tip of the knurled screw 45 is guided along the guide portion 73 a of the arm portion 73 that rotates together with the lamp body 2. Thereby, the knurled screw 45 can be smoothly guided from the side surface portion of the arm portion 73 to the through hole 73b which is a fixed position.
また、図7に示した従来の照明器具100では、受部107が、第1枠部本体110の一部を切り欠いて片持ち状に突出するように形成された係止部108に載置されているのに対し、本発明のアーム部73は、円板状の台座部42に直接載置できるので、強度的により安定して灯体2を枠体1に保持することができる。 Further, in the conventional lighting apparatus 100 shown in FIG. 7, the receiving portion 107 is placed on the locking portion 108 formed so as to project a cantilever shape by cutting out a part of the first frame main body 110. On the other hand, the arm portion 73 of the present invention can be directly placed on the disk-like pedestal portion 42, so that the lamp body 2 can be held on the frame body 1 more stably in strength.
また、従来の照明器具100が、挿入方向の位置決めのために放熱フィン109から段部105を形成しており、放熱フィン109の直径が大きくなることで灯体102が大型化し重量も大きくなるのに対し、本発明は、アーム部73を利用して挿入方向の位置決めをしており、さらにアーム部73が当接する規制部44aをガイド部44と一体的に設けているので、垂直方向の位置決めのために灯具2および枠体1を大型化する必要がない。 Moreover, the conventional lighting fixture 100 forms the step part 105 from the radiation fin 109 for positioning in the insertion direction, and the lamp body 102 is increased in size and weight by increasing the diameter of the radiation fin 109. In contrast, in the present invention, the arm portion 73 is used for positioning in the insertion direction, and the restricting portion 44a with which the arm portion 73 abuts is provided integrally with the guide portion 44. Therefore, the positioning in the vertical direction is performed. Therefore, it is not necessary to increase the size of the lamp 2 and the frame 1.
以上の実施の形態の説明において、光源としてLEDを用いる例について説明したが、光源はLEDに限定されず、ELや蛍光ランプ等の他の光源を用いてもよい。また、一実施形態としてダウンライトに適用する例について説明したが、枠体および枠体に挿入して取り付ける灯体を備える照明器具であれば照明器具の形態や設置位置等は特に限定されない。 In the above description of the embodiment, the example in which the LED is used as the light source has been described. Moreover, although the example applied to a downlight was demonstrated as one Embodiment, if it is a lighting fixture provided with the lamp body inserted into the frame body and a frame body, the form, installation position, etc. of a lighting fixture will not be specifically limited.
1 枠体
2 灯体
3 補助反射板
4 第1枠部
4a 開口
5 第2枠部
6 ヒートシンク
7 灯具本体
73 アーム部
42 台座部
42a 内周部
42c 切欠部
42d 案内溝
42f 突起部
43 テーパ部
44 ガイド部
44a 規制部
45 ローレットビス
73a 案内部
73b 貫通孔
DESCRIPTION OF SYMBOLS 1 Frame 2 Lamp body 3 Auxiliary reflector 4 1st frame part 4a Opening 5 2nd frame part 6 Heat sink 7 Lamp main body 73 Arm part 42 Base part 42a Inner peripheral part 42c Notch part 42d Guide groove 42f Projection part 43 Taper part 44 Guide part 44a Restriction part 45 Knurled screw 73a Guide part 73b Through hole
Claims (4)
設置部に取り付けられ、前記灯体を支持する枠体とを備える照明器具であって、
前記灯体は、前記枠体に挿入する略円柱状の挿入部と、前記灯体を前記枠体に支持する支持部とを有し、
前記枠体は、前記挿入部が挿入される円筒状のガイド部と、中央部に開口を有し前記支持部が載置される円板状の台座部とを有しており、
前記台座部は、前記支持部が通過する切欠部を有し、
前記ガイド部は、前記切欠部に対し前記灯体の挿入方向側に配置されてあり、前記切欠部を通過した前記支持部の挿入方向の移動を規制する規制部を有することを特徴とする照明器具。 A lamp body having a light source;
A lighting fixture that is attached to an installation unit and includes a frame that supports the lamp,
The lamp body has a substantially cylindrical insertion portion that is inserted into the frame body, and a support section that supports the lamp body on the frame body,
The frame body includes a cylindrical guide portion in which the insertion portion is inserted, and have a disk-shaped pedestal portion to which the support portion has an opening in the central portion is placed,
The pedestal portion has a cutout portion through which the support portion passes,
The guide portion with respect to the notch Yes disposed in the insertion direction side of the lamp body, characterized in that it have a regulating portion for regulating the movement in the insertion direction of the support portion that has passed through the notch lighting equipment.
前記切欠部から前記枠体の周方向に連通し、前記支持部を前記枠体の周方向に案内する案内溝と、
前記切欠部と前記支持部の載置位置の間において、前記台座部から前記案内溝方向に突出する突起部とを有することを特徴とする請求項1に記載の照明器具。 The frame is
A guide groove that communicates from the notch in the circumferential direction of the frame, and guides the support in the circumferential direction of the frame;
The lighting apparatus according to claim 1 , further comprising: a protruding portion that protrudes from the pedestal portion in the guide groove direction between the notch portion and the mounting position of the support portion.
前記支持部は、該支持部の側面部から前記固定部材の固定位置まで前記固定部材を案内する案内部を有することを特徴とする請求項1〜3のいずれか1項に記載の照明器具。 A fixing member that is held by the pedestal portion in a state in which a tip portion protrudes from the pedestal portion and fixes the support portion to the pedestal portion;
It said support portion, the lighting device according to any one of claim 1 3, characterized in that it has a guiding part for guiding the fixing member from the side surface of the support portion to the fixing position of the fixing member.
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JP2014067501A (en) * | 2012-09-24 | 2014-04-17 | Toshiba Lighting & Technology Corp | Lighting fixture |
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