JP2725750B2 - lighting equipment - Google Patents
lighting equipmentInfo
- Publication number
- JP2725750B2 JP2725750B2 JP28643392A JP28643392A JP2725750B2 JP 2725750 B2 JP2725750 B2 JP 2725750B2 JP 28643392 A JP28643392 A JP 28643392A JP 28643392 A JP28643392 A JP 28643392A JP 2725750 B2 JP2725750 B2 JP 2725750B2
- Authority
- JP
- Japan
- Prior art keywords
- frame
- pair
- plate support
- ceiling plate
- reflector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、システム天井用の照明
器具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture for a system ceiling.
【０００２】[0002]
【従来の技術】従来、システム天井は、図８ないし図１
０に示すように、天井構造物の下方に複数の断面略Ｔ字
状の天井板支持バー１を平行に吊下設置し、この複数の
天井板支持バー１間に天井面を構成する天井板２を架設
するようにしている。2. Description of the Related Art Conventionally, a system ceiling is shown in FIGS.
As shown in FIG. 0, a plurality of ceiling plate support bars 1 having a substantially T-shaped cross section are suspended and installed in parallel below the ceiling structure, and a ceiling plate constituting a ceiling surface between the plurality of ceiling plate support bars 1 is provided. 2 is installed.
【０００３】このようなシステム天井に使用される照明
器具は、一対の天井板支持バー１間の上部に器具本体３
を載置状態で架設し、この器具本体３の下面に下方に開
口する反射板４を取付けたり、両端のランプソケット５
間に直管形のランプＬを接続するようにしている。A luminaire used for such a system ceiling includes a luminaire main body 3 above a pair of ceiling plate support bars 1.
Is mounted, and a reflector 4 opening downward is attached to the lower surface of the instrument body 3 or lamp sockets 5 at both ends are mounted.
A straight tube lamp L is connected between them.
【０００４】また、反射板４の下方の照射開口６にはル
ーバ等の制光体７を配設するようにしており、この制光
体７の取付けは、制光体７に嵌合した取付枠８を一対の
天井板支持バー１間に架設された枠体９に対して取付け
るようにしている。Further, a light control body 7 such as a louver is provided in the irradiation opening 6 below the reflection plate 4, and the light control body 7 is mounted by fitting the light control body 7 to the light control body 7. The frame 8 is attached to a frame 9 provided between the pair of ceiling plate support bars 1.
【０００５】従来の枠体９は、一対の天井板支持バー１
間に掛けわたされる一対の端板10と、天井板支持バー１
の側面に対向し一対の端板10の両端部間をそれぞれ連結
する一対の側板11とを備えている。The conventional frame 9 is composed of a pair of ceiling plate support bars 1.
A pair of end plates 10 suspended between them, and a ceiling plate support bar 1
And a pair of side plates 11 which are opposed to the side surfaces of the pair and connect between both end portions of the pair of end plates 10, respectively.
【０００６】そして、一対の天井板支持バー１間に枠体
９を架設した後、制光体７の取付枠８の一側を枠体９の
内側に嵌合して取付片部8aを枠体９に差し込み係合さ
せ、取付枠８の他側を上方に回動させて枠体９の内側に
嵌合し、取付片12を回動操作して枠体９に係合させるこ
とにより、制光体７を枠体９に対して取付けている。After the frame 9 is erected between the pair of ceiling plate support bars 1, one side of the mounting frame 8 of the light control body 7 is fitted into the inside of the frame 9 to form the mounting piece 8a. By inserting and engaging with the body 9, rotating the other side of the mounting frame 8 upward to fit inside the frame 9, and rotating the mounting piece 12 to engage with the frame 9, The light control body 7 is attached to the frame 9.
【０００７】[0007]
【発明が解決しようとする課題】従来の照明器具では、
枠体９の側板11の上端は、天井板支持バー１の上端位置
よりも低く、反射板４の両側の下端部4aに対して下方に
離反しかつ内方位置にある。SUMMARY OF THE INVENTION In a conventional lighting fixture,
The upper end of the side plate 11 of the frame 9 is lower than the upper end position of the ceiling plate support bar 1, is separated downward from the lower end portions 4 a on both sides of the reflector 4, and is located at an inner position.
【０００８】そのため、反射板４の下端が天井板支持バ
ー１の上端位置よりも高い器具高さの場合には、ランプ
Ｌの光が天井板支持バー１と反射板４と間を通じて側方
に出射してしまう。特に、図１０に示すように、空調用
のために一対の天井板支持バー１が近接設置されて空調
空気流通用の通気口13が形成されている場合、その通気
口13から光漏れが生じる問題がある。Therefore, when the lower end of the reflector 4 is at a height higher than the upper end of the ceiling plate support bar 1, the light of the lamp L is directed laterally through the space between the ceiling plate support bar 1 and the reflector 4. Emitted. In particular, as shown in FIG. 10, when a pair of ceiling plate support bars 1 are installed close to each other for air conditioning and a ventilation port 13 for air-conditioning air circulation is formed, light leaks from the ventilation port 13. There's a problem.
【０００９】また、枠体９の上方への規制手段が特に設
けられていないため、制光体７を下方から枠体９に取付
ける際に、枠体９が上方に移動し位置ずれが生じる問題
がある。Further, since there is no particular means for regulating the frame body 9 upward, the frame body 9 moves upward when the light control body 7 is mounted on the frame body 9 from below, causing a positional shift. There is.
【００１０】本発明は、このような点に鑑みてなされた
もので、天井用支持バーと反射板との間を通じて側方に
光り漏れが生じるのを防止し、かつ、枠体の上方への移
動による位置ずれを防止することができる照明器具を提
供することを目的とするものである。The present invention has been made in view of the above points, and prevents light leakage from occurring laterally between a ceiling support bar and a reflecting plate, and prevents the light from leaking upward from the frame. It is an object of the present invention to provide a lighting fixture capable of preventing displacement due to movement.
【００１１】[0011]
【課題を解決するための手段】本発明は、一対の天井板
支持バー間に下方に開口する反射板を有する器具本体を
架設し、この器具本体の反射板の下方の照射開口に、前
記一対の天井板支持バー間に架設される枠体を介して制
光体を配設する照明器具であって、前記枠体は、前記一
対の天井板支持バー間に掛けわたされる一対の端板と、
前記天井板支持バーの側面に対向し一対の端板の両端部
間をそれぞれ連結する一対の側板とを備え、前記側板の
上縁部に、前記天井板支持バーと対向する側方に突出し
て前記反射板の下端に臨む当接部を設けるとともに、こ
の当接部の先端から反射板と天井板支持バーとの間に介
入しかつ反射板の下端より上方に突出する遮光部を設け
たものである。According to the present invention, there is provided an apparatus main body having a reflector opening downwardly between a pair of ceiling plate support bars, and the pair of ceiling panels is provided with an illumination opening below the reflector of the apparatus main body. A lighting apparatus in which a light control body is provided via a frame body provided between the ceiling plate support bars, wherein the frame body includes a pair of end plates that are hung between the pair of ceiling plate support bars. ,
A pair of side plates opposing to the side surface of the ceiling plate support bar and connecting between both end portions of the pair of end plates, and protruding laterally opposite to the ceiling plate support bar at an upper edge of the side plate. A contact portion facing the lower end of the reflector is provided, and a light-shielding portion interposed between the reflector and the ceiling plate support bar from the tip of the contact portion and protruding above the lower end of the reflector is provided. It is.
【００１２】[0012]
【作用】本発明では、枠体の側板の上縁に設けた遮光部
が反射板と天井板支持バーとの間に介入しかつ反射板の
下端より上方に突出して、器具内のランプの光が側方に
出射されるのを防止する。そのため、例えば器具側方に
配設された２列の天井板支持バー間に空調空気流通用の
通気口が形成されている場合でも、その通気口からの光
漏れを防止する。また、枠体の当接部が反射板の下端に
対向して、制光体を枠体の内側に取付ける際に、枠体を
押し上げても、当接部が反射板の下端に当接して枠体の
上方への移動を規制し、枠体の位置ずれを防止する。According to the present invention, the light shielding portion provided at the upper edge of the side plate of the frame intervenes between the reflection plate and the ceiling plate support bar and projects above the lower end of the reflection plate, so that the light of the lamp in the fixture is illuminated. Is prevented from being emitted to the side. Therefore, for example, even when the ventilation holes for air-conditioning air distribution are formed between two rows of ceiling plate support bars arranged on the side of the appliance, light leakage from the ventilation holes is prevented. Further, when the contact portion of the frame faces the lower end of the reflector, and the light control body is mounted inside the frame, even when the frame is pushed up, the contact portion abuts on the lower end of the reflector. The upward movement of the frame is restricted to prevent the frame from shifting.
【００１３】[0013]
【実施例】以下、本発明の一実施例の構成を図１ないし
図５を参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.
【００１４】図において、21は天井板支持バーで、この
天井板支持バー21は、水平部22と垂直部23とから断面略
Ｔ字状に形成され、天井構造物の下方に平行状に複数吊
下設置されている。そして、この複数の天井板支持バー
21間に、天井面を構成する天井板が架設されたり、照明
器具が架設される。In the drawing, reference numeral 21 denotes a ceiling plate support bar, which is formed in a substantially T-shaped cross section from a horizontal portion 22 and a vertical portion 23, and is formed in a plurality in parallel below the ceiling structure. Hanging installation. And this multiple ceiling plate support bar
Between 21, a ceiling plate constituting a ceiling surface is erected, and lighting equipment is erected.
【００１５】31は一対の天井板支持バー21に架設される
照明器具の器具本体で、この器具本体31は、天井板支持
バー21の長手方向に対して直交する一対の端枠部材32
と、天井板支持バー21の長手方向に沿って延び両端枠部
材32の両端をそれぞれ連結する一対の側枠部材33とから
四角形枠状に形成されている。器具本体31の上部には安
定器などの電気部品を収納したケース34が取付けられ、
下面両端部には直管形のランプＬを接続する一対のラン
プソケット35が取付けられているとともに反射板取付金
具36が取付けられている。Reference numeral 31 denotes a fixture main body of the lighting fixture installed on the pair of ceiling plate support bars 21. The fixture main body 31 includes a pair of end frame members 32 orthogonal to the longitudinal direction of the ceiling plate support bar 21.
And a pair of side frame members 33 extending along the longitudinal direction of the ceiling plate support bar 21 and connecting both ends of the both end frame members 32 to form a rectangular frame. A case 34 containing electric parts such as a ballast is attached to the upper part of the instrument body 31,
At both ends of the lower surface, a pair of lamp sockets 35 for connecting a straight tube lamp L are mounted, and a reflector mounting bracket 36 is mounted.
【００１６】そして、器具本体31は、両側部に取付けた
複数の脚部材37によって、天井板支持バー21上に取付け
られている。この脚部材37は、下部の断面略コ字状の嵌
合部38が天井板支持バー21の垂直部23の上端に嵌合して
取付けられている。The instrument body 31 is mounted on the ceiling plate support bar 21 by a plurality of leg members 37 mounted on both sides. The leg member 37 has a lower fitting portion 38 having a substantially U-shaped cross section fitted and fitted to the upper end of the vertical portion 23 of the ceiling plate support bar 21.
【００１７】また、器具本体31の下面には反射板41が取
付けられている。この反射板41は、ランプＬの上方に対
向する水平反射部42と、この水平反射板42の両側から下
方に拡開する傾斜反射部43と、両端部を閉塞する端板44
とから下方の照射開口45に向けて開口形成されている。A reflector 41 is attached to the lower surface of the instrument body 31. The reflector 41 includes a horizontal reflector 42 facing above the lamp L, an inclined reflector 43 expanding downward from both sides of the horizontal reflector 42, and an end plate 44 closing both ends.
An opening is formed toward the irradiation opening 45 below from the bottom.
【００１８】そして、反射板41は、水平板部が反射板取
付金具36の下面に接合されて、反射板取付金具36に螺合
する化粧ねじ46で締め付け固定されている。なお、反射
板41の取付状態において、傾斜反射部43の下端は、天井
板支持バー21の垂直部23の上端位置より上方で垂直部23
の内側面からやや離反して位置している。The horizontal plate portion of the reflector 41 is joined to the lower surface of the reflector mounting bracket 36, and is fastened and fixed by a decorative screw 46 screwed to the reflector mounting bracket 36. When the reflector 41 is attached, the lower end of the inclined reflector 43 is located above the upper end of the vertical portion 23 of the ceiling plate support bar 21 in the vertical portion 23.
Is located slightly away from the inner surface of the.
【００１９】また、照射開口45には制光体51が配設され
ている。この制光体51は、格子状に形成された合成樹脂
製のルーバからなり、外周部に嵌合した取付枠52を介し
て後述する枠体61に対して取付けられる。A light control member 51 is provided in the irradiation opening 45. The light control body 51 is made of a synthetic resin louver formed in a lattice shape, and is attached to a frame 61 described later via an attachment frame 52 fitted to the outer peripheral portion.
【００２０】取付枠52は、四角形枠状に形成され、枠内
周側に制光体51の外周下部を嵌合する嵌合段部53が形成
され、枠外周側に立上部54が形成されている。一側の立
上部54から係止片部55が突設され、他側の立上部54から
回動操作により選択的に出没する係止片56が取付けられ
ている。なお、取付枠52の周囲には枠体61の内面と接触
する遮光用のブラシ57が取付けられている。The mounting frame 52 is formed in a quadrangular frame shape, a fitting step 53 is formed on the inner peripheral side of the frame to fit the lower peripheral portion of the light control body 51, and a rising portion 54 is formed on the outer peripheral side of the frame. ing. A locking piece 55 protrudes from the rising part 54 on one side, and a locking piece 56 that selectively emerges from the rising part 54 on the other side by rotating operation is attached. A light-shielding brush 57 that is in contact with the inner surface of the frame body 61 is mounted around the mounting frame 52.
【００２１】前記枠体61は、一対の天井板支持バー21間
に掛けわたされる一対の端板62と、天井板支持バー21の
側面に対向し一対の端板62の両端部間をそれぞれ連結す
る一対の側板63とを備えている。The frame 61 is connected between a pair of end plates 62 hung between the pair of ceiling plate support bars 21 and both ends of the pair of end plates 62 facing the side surfaces of the ceiling plate support bar 21. And a pair of side plates 63.
【００２２】端板62は、端板部65の両端から側板部66を
それぞれ直角に折曲した断面略コ字状に形成され、端板
部65の下縁に補強用の折曲部67が折曲形成されていると
ともにこの折曲部67の両端部に側板部66より突出する突
出部68が形成され、各側板部66の先端部に外側に折曲さ
れた突出部69が形成されている。また、各側板部66には
連結ねじ70が螺合するねじ孔71が形成されている。The end plate 62 is formed to have a substantially U-shaped cross section obtained by bending the side plate portions 66 at right angles from both ends of the end plate portion 65, and a reinforcing bent portion 67 is provided at the lower edge of the end plate portion 65. Projections 68 are formed at both ends of the bent portion 67 and project from the side plate portions 66, and projecting portions 69 bent outward are formed at the tip of each side plate portion 66. I have. Further, a screw hole 71 into which the connection screw 70 is screwed is formed in each side plate portion 66.
【００２３】側板63は、下縁に折曲部72が外側に折曲形
成され、上縁に当接部73が外側に折曲形成されていると
ともにこの当接部73の先端に遮光部74が上方に折曲形成
されている。なお、組立状態において、当接部73は反射
板41の下端に臨み、遮光部74は反射板41と天井板支持バ
ー21との間に介入しかつ反射板41の下端より上方に突出
する。The side plate 63 has a bent portion 72 bent outward at the lower edge, a contact portion 73 bent outward at the upper edge, and a light-shielding portion 74 at the tip of the contact portion 73. Are bent upward. In the assembled state, the contact portion 73 faces the lower end of the reflection plate 41, and the light shielding portion 74 intervenes between the reflection plate 41 and the ceiling plate support bar 21 and projects above the lower end of the reflection plate 41.
【００２４】また、この側板63には端板62の各ねじ孔71
の位置に対応してだるま孔状の連結孔75が形成され、こ
の各連結孔75の内側に逆凸字状の係止孔76がそれぞれ形
成されている。The side plate 63 has screw holes 71 of the end plate 62.
A connection hole 75 in the shape of a round hole is formed at a position corresponding to the position (1). An engagement hole 76 having an inverted convex shape is formed inside each of the connection holes 75.
【００２５】そして、この枠体61は、施工前においては
端板62と側板63とが分解状態とされ、後述する施工時に
おいて四角形枠状に組立てられる。The end plate 62 and the side plate 63 are disassembled before the construction, and the frame 61 is assembled into a rectangular frame at the time of construction described later.
【００２６】次に、照明器具の組立施工について説明す
る。Next, the assembly and construction of the lighting fixture will be described.
【００２７】一対の天井板支持バー21上に脚部材37を介
して器具本体31を架設し、この器具本体31の下側に反射
板41を挿入して化粧ねじ46により締付け固定し、両端の
ランプソケット35間にランプＬを接続する。An apparatus main body 31 is erected on a pair of ceiling plate support bars 21 via leg members 37, a reflecting plate 41 is inserted below the apparatus main body 31 and fastened and fixed with decorative screws 46. The lamp L is connected between the lamp sockets 35.
【００２８】枠体61の分解状態の端板62を一対の天井板
支持バー21間に掛け渡し、図４に示すように、側板63の
上部を斜め下方から挿入して、遮光部74を天井板支持バ
ー21の垂直部23と反射板41との間に挿入するとともに、
当接部73の下面を端板62の側板部66上に当接させた後、
側板63の下部を天井板支持バー21の方向に回動させて、
折曲部72を天井板支持バー21の水平部22上に嵌合すると
ともに突出部69の下側に嵌合する。An end plate 62 in a disassembled state of the frame body 61 is bridged between a pair of ceiling plate support bars 21, and as shown in FIG. While being inserted between the vertical portion 23 of the plate support bar 21 and the reflection plate 41,
After contacting the lower surface of the contact portion 73 on the side plate portion 66 of the end plate 62,
By rotating the lower part of the side plate 63 in the direction of the ceiling plate support bar 21,
The bent portion 72 fits on the horizontal portion 22 of the ceiling plate support bar 21 and fits below the protrusion 69.
【００２９】このとき、端板62の側板部66に螺合されて
いる連結ねじ70の頭部に側板63の連結孔75を挿通嵌合
し、この連結ねじ70を締付けることにより、端板62の側
板部66と側板63とを締付け固定し、四角形枠状の枠体61
を組立てる。At this time, the connection hole 75 of the side plate 63 is inserted and fitted into the head of the connection screw 70 screwed to the side plate portion 66 of the end plate 62, and the connection screw 70 is tightened. The side plate portion 66 and the side plate 63 are tightened and fixed, and a rectangular frame-shaped frame 61 is
Assemble
【００３０】次に、図５に示すように、制光体51の一側
を枠体61の内側に挿入し、取付枠52の一側から突出する
係止片部55を枠体61の一側の係止孔76に差し込み係止し
た後、制光体51の他端側を上方に回動させて枠体61の内
側に挿入し、取付枠52の他側から係止片56を突出させて
枠体61の他側の係止孔76に差し込み係止することによ
り、制光体51が照射開口45内に支持される。Next, as shown in FIG. 5, one side of the light control body 51 is inserted into the inside of the frame 61, and the locking piece 55 projecting from one side of the mounting frame 52 is inserted into the frame 61. After inserting and locking into the locking hole 76 on the side, the other end of the light control body 51 is turned upward and inserted into the inside of the frame 61, and the locking piece 56 projects from the other side of the mounting frame 52. Then, the light control body 51 is supported in the irradiation opening 45 by being inserted and locked in the locking hole 76 on the other side of the frame 61.
【００３１】そして、照明器具の組立状態においては、
枠体61の側板63の上縁に設けた遮光部74が反射板41と天
井板支持バー21との間に介入しかつ反射板41の下端より
上方に突出するため、器具内のランプＬの光が側方に出
射されるのを防止できる。そのため、例えば図１０に示
したように器具の側方に空調空気流通用の通気口が形成
されている場合でも、その通気口からの光漏れを防止す
ることができる。In the assembled state of the lighting equipment,
Since the light shielding portion 74 provided on the upper edge of the side plate 63 of the frame 61 intervenes between the reflection plate 41 and the ceiling plate support bar 21 and projects above the lower end of the reflection plate 41, the lamp L Light can be prevented from being emitted to the side. Therefore, for example, even if a vent for air-conditioning air distribution is formed on the side of the appliance as shown in FIG. 10, light leakage from the vent can be prevented.
【００３２】また、枠体61の当接部73が反射板41の下端
に近接対向するため、制光体51を枠体61の内側に取付け
る際に、枠体61が押し上げられても、当接部73が反射板
41の下端に当接して枠体61の上方への移動が規制され、
枠体61の位置ずれを防止することができる。Also, since the contact portion 73 of the frame 61 faces the lower end of the reflection plate 41 in close proximity, even when the frame 61 is pushed up when the light control member 51 is mounted inside the frame 61, the contact portion 73 may be pushed up. Contact part 73 is a reflection plate
The upward movement of the frame body 61 is restricted by contacting the lower end of 41,
The displacement of the frame 61 can be prevented.
【００３３】また、反射板41と天井板支持バー21との間
に介入する枠体61の遮光部74は、その反射板41と天井板
支持バー21との間で挟持されるため、器具長手方向への
移動も規制することができる。The light-shielding portion 74 of the frame 61 interposed between the reflection plate 41 and the ceiling plate support bar 21 is sandwiched between the reflection plate 41 and the ceiling plate support bar 21, so that the length of the fixture is reduced. Movement in the direction can also be restricted.
【００３４】次に、図６および図７は本発明の他の実施
例を示し、この実施例では、脚部材37の角孔37a に引っ
掛け係合する略Ｌ字状の支持金具81を備え、この支持金
具81の下端部を枠体61の遮光部74の内面に接合し、その
下端部に設けたねじ孔82に締付ねじ83を螺合し、遮光部
74を脚部材37の嵌合部38に圧着固定する。これにより、
器具本体31に対する枠体61の移動防止や、一対の天井板
支持バー21間が広めであっても枠体61の落下防止とな
る。また、天井裏のダクト等の位置関係で、器具本体31
に対して脚部材37を器具長手方向に移動させなければな
らない場合でも、支持金具81は脚部材37と一緒に移動さ
せることができる。FIGS. 6 and 7 show another embodiment of the present invention. In this embodiment, a substantially L-shaped support bracket 81 is provided, which is engaged with a square hole 37a of a leg member 37. The lower end of the support bracket 81 is joined to the inner surface of the light-shielding portion 74 of the frame 61, and a tightening screw 83 is screwed into a screw hole 82 provided at the lower end of the support member 81.
74 is fixed to the fitting portion 38 of the leg member 37 by pressure bonding. This allows
This prevents the movement of the frame 61 with respect to the appliance body 31 and prevents the frame 61 from falling even if the space between the pair of ceiling plate support bars 21 is wide. In addition, due to the positional relationship of the duct behind the ceiling, etc.
However, even when the leg member 37 has to be moved in the longitudinal direction of the device, the support fitting 81 can be moved together with the leg member 37.
【００３５】[0035]
【発明の効果】本発明によれば、枠体の側板の上縁に設
けた遮光部が反射板と天井板支持バーとの間に介入しか
つ反射板の下端より上方に突出するため、器具内のラン
プの光が側方に出射されるのを防止することができ、例
えば器具側方の２列の天井板支持バー間に空調空気流通
用の通気口が形成されている場合でも、その通気口から
の光漏れを防止することができる。また、枠体の当接部
が反射板の下端に対向するため、制光体を枠体の内側に
取付ける際に、枠体を押し上げても、当接部が反射板の
下端に当接して枠体の上方への移動を規制し、枠体の位
置ずれを防止することができる。According to the present invention, since the light-shielding portion provided at the upper edge of the side plate of the frame intervenes between the reflector and the ceiling plate support bar and protrudes above the lower end of the reflector, the fixture is provided. It is possible to prevent the light of the lamp in the side from being emitted to the side, for example, even if a ventilation hole for air-conditioning air circulation is formed between two rows of ceiling plate support bars on the side of the appliance, Light leakage from the vent can be prevented. In addition, since the contact portion of the frame faces the lower end of the reflector, when the light control body is mounted inside the frame, even when the frame is pushed up, the contact portion abuts on the lower end of the reflector. The upward movement of the frame can be restricted, and the displacement of the frame can be prevented.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明の照明器具の一実施例を示す断面図であ
る。FIG. 1 is a cross-sectional view showing one embodiment of a lighting fixture of the present invention.
【図２】同上実施例の枠体の分解状態の斜視図である。FIG. 2 is an exploded perspective view of the frame of the embodiment.
【図３】同上実施例の枠体の組立状態の斜視図である。FIG. 3 is a perspective view of an assembled state of the frame of the embodiment.
【図４】同上実施例の枠体の一部の斜視図である。FIG. 4 is a perspective view of a part of the frame of the embodiment.
【図５】同上実施例の制光体の取付手順を説明する断面
図である。FIG. 5 is a sectional view for explaining a procedure for attaching the light control body of the embodiment.
【図６】本発明の他の実施例を示す斜視図である。FIG. 6 is a perspective view showing another embodiment of the present invention.
【図７】同上実施例の断面図である。FIG. 7 is a sectional view of the embodiment.
【図８】従来の照明器具を示す断面図である。FIG. 8 is a sectional view showing a conventional lighting fixture.
【図９】従来の枠体の斜視図である。FIG. 9 is a perspective view of a conventional frame.
【図１０】従来の照明器具の配設状態の断面図である。FIG. 10 is a cross-sectional view of a state in which a conventional lighting fixture is provided.
21 天井板支持バー 31 器具本体 45 照射開口 51 制光体 61 枠体 62 端板 63 側板 73 当接部 74 遮光部 21 Ceiling panel support bar 31 Instrument body 45 Irradiation aperture 51 Light control body 61 Frame 62 End plate 63 Side plate 73 Contact part 74 Shading part
Claims (1)
る反射板を有する器具本体を架設し、この器具本体の反
射板の下方の照射開口に、前記一対の天井板支持バー間
に架設される枠体を介して制光体を配設する照明器具で
あって、 前記枠体は、前記一対の天井板支持バー間に掛けわたさ
れる一対の端板と、前記天井板支持バーの側面に対向し
一対の端板の両端部間をそれぞれ連結する一対の側板と
を備え、 前記側板の上縁部に、前記天井板支持バーと対向する側
方に突出して前記反射板の下端に臨む当接部を設けると
ともに、この当接部の先端から反射板と天井板支持バー
との間に介入しかつ反射板の下端より上方に突出する遮
光部を設けたことを特徴とする照明器具。An appliance body having a reflector that opens downward between a pair of ceiling plate support bars is installed between the pair of ceiling plate support bars, and an illumination opening below the reflector of the appliance body is installed between the pair of ceiling plate support bars. A lighting device in which a light control body is disposed via a frame body to be formed, wherein the frame body includes a pair of end plates that are hung between the pair of ceiling plate support bars, and a side surface of the ceiling plate support bar. And a pair of side plates that respectively connect between both end portions of the pair of end plates. The upper edge portion of the side plate protrudes laterally opposite to the ceiling plate support bar and faces the lower end of the reflection plate. A lighting device comprising: a contact portion; and a light-blocking portion interposed between a reflector and a ceiling plate support bar from a tip of the contact portion and protruding above a lower end of the reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28643392A JP2725750B2 (en) | 1992-10-23 | 1992-10-23 | lighting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28643392A JP2725750B2 (en) | 1992-10-23 | 1992-10-23 | lighting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06139807A JPH06139807A (en) | 1994-05-20 |
| JP2725750B2 true JP2725750B2 (en) | 1998-03-11 |
Family
ID=17704327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28643392A Expired - Lifetime JP2725750B2 (en) | 1992-10-23 | 1992-10-23 | lighting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2725750B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917650B (en) * | 2021-10-19 | 2022-09-09 | 中国科学院高能物理研究所 | Cooling structure and method for improving thermal deformation and vibration stability of reflector |
-
1992
- 1992-10-23 JP JP28643392A patent/JP2725750B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06139807A (en) | 1994-05-20 |
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