JP4208618B2

JP4208618B2 - Lighting device

Info

Publication number: JP4208618B2
Application number: JP2003082448A
Authority: JP
Inventors: 亮一金森; 裕之町田
Original assignee: Koito Industries Ltd
Current assignee: Koito Industries Ltd
Priority date: 2003-03-25
Filing date: 2003-03-25
Publication date: 2009-01-14
Anticipated expiration: 2023-03-25
Also published as: JP2004288591A

Description

【０００１】
【発明の属する技術分野】
本発明は、照明装置に関する。
【０００２】
【従来の技術】
この種の従来技術として、特許文献１には、保持枠内の照明用開口部から発光管を挿入して保持枠にホルダを取り付ける技術が開示されている。この特許文献１では、保持枠に長手方向のボルト係止溝を設けてあり、保持枠の端からボルトをボルト係止溝の端から所要位置にスライドして、発光管のホルダをボルトにナットで保持枠内に固定するものである。
【０００３】
【特許文献１】
特開平１１−１１７２２８号公報
【０００４】
【発明が解決しようとする課題】
しかし、上述の特許文献１に開示の技術では、ホルダと保持枠の固定は、ボルトとナットを締結する必要があるので、施工に手間がかかるという問題がある。
また、上述の特許文献には発光管とホルダとの固定について開示はないが、一般的には、ホルダを発光管にねじ等により固定しており、かかるねじ止め作業に手間が係るという問題がある。
更に、発光管の交換やメンテナンスをおこなうためには、ホルダと一緒に発光管を保持枠から外し、次に、発光管からホルダを外し、新たな発光管をホルダに取り付けて、ホルダを保持枠に固定し直さなければならないので、発光管のメンテナンスに手間がかかるという問題がある。
そこで、本発明は、ねじ止めやナット締めをすることなく、発光管とホルダの取り付け及び、保持枠とホルダとの取り付けができ且つ発光管の交換やメンテナンスが容易にできる照明装置の提供を目的とする。
【０００５】
【課題を解決するための手段】
請求項１に記載の発明は、保持枠の照明用開口部から保持枠内に挿入する略円筒形状の発光管と、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の一端部に設ける一端側ホルダと、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の他端部に設ける他端側ホルダとを備え、各ホルダは、内部に設けた発光管回転規制部と、外周部に設けて保持枠に係止する被係止部とを有し、発光管の各端部から端部側外周面に係脱自在に被着していると共に保持枠内に係止したまま発光管から離す方向にスライド自在であり、各ホルダを保持枠に取付けたまま発光管のみを取外し可能としてあることを特徴とする。
【０００６】
この請求項１に記載の発明では、保持枠への照明装置の取り付けは、各ホルダを保持枠の照明用開口部から保持枠内に挿入して各ホルダの被係止部を保持枠に係止し、両ホルダの間に発光管を配置して、両ホルダを発光管を挟むように移動して、発光管の一端側と他端側とに被着する。したがって、本発明では、ねじ止めやナットの締結作業をすることなく、発光管とホルダとの取り付け及びホルダと保持枠との取り付けができる。
発光管の交換やメンテナンスを行なう場合には、各ホルダを保持枠に係止したまま、各ホルダを発光管から離す方向にスライドすることにより、保持枠に各ホルダを取り付けたまま発光管のみを取り外すことができ、発光管の取り付けもこれと逆にホルダの照明用開口部に挿入して保持枠内に係止してあるホルダをスライドすることにより発光管端部に被着できるので、ホルダを保持枠から外すことなく、発光管の交換やメンテナンスができる。
各ホルダは、発光管の回転規制と保持枠への係止との２つの機能を有するので、これらの機能毎の部材を設ける場合に比較して、構成が簡易で且つ部品点数を少なくできる。
【０００７】
請求項２に記載の発明は、保持枠の照明用開口部から保持枠内に挿入する略円筒形状の発光管と、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の一端部に設ける一端側ホルダと、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の他端部に設ける他端側ホルダとを備え、各ホルダは、内部に設けた発光管回転規制部と、外周部に設けて保持枠に係止する被係止部とを有し、発光管の各端部から端部側外周面に係脱自在に被着しており、発光管は一端部及び他端部に保持枠の長手方向を向く傾斜面を有し、各発光管回転規制部は発光管の傾斜面の傾斜方向中間部に当接していることを特徴とする。
【０００８】
この請求項２に記載の発明では、請求項１に記載の発明と同様な作用効果を奏するとともに、発光管の端部に各ホルダを被着すると、発光管回転規制部が発光管の端部の傾斜面にその傾斜方向中間部で当接し、発光管回転規制部は発光管の長手方向及びその周方向の二方向の移動を規制する。
したがって、ホルダの内部に発光管回転規制部を形成し、且つ発光管の端部に傾斜面を形成するだけで発光管の回転を規制でき、構成が簡単であるとともに別途部品を必要しないから、部品点数が少なくて済む。
【０００９】
請求項３に記載の発明は、保持枠の照明用開口部から保持枠内に挿入する略円筒形状の発光管と、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の一端部に設ける一端側ホルダと、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の他端部に設ける他端側ホルダとを備え、各ホルダは、内部に設けた発光管回転規制部と、外周部に設けて保持枠に係止する被係止部とを有し、発光管の各端部から端部側外周面に係脱自在に被着しており、一端側ホルダの被係止部は、保持枠の長手方向に設けた一端側ホルダ係止溝に係止し、他端側ホルダの被係止部は、保持枠の長手方向に設けてあり且つ一端側ホルダ係止溝と異なる方向に開口する他端側ホルダ係止溝に係止していることを特徴とする。
【００１０】
この請求項３に記載の発明では、請求項１に記載の発明と同様な作用効果を奏するとともに、一端側ホルダ係止溝と他端側ホルダ係止溝とは互いに異なる方向に開口しているので、保持枠に対して発光管と各ホルダとが一体となって連れ回りして、保持枠から離脱するのを防止できる。
【００１１】
請求項４に記載の発明は、保持枠と、保持枠の照明用開口部から保持枠内に挿入する略円筒形状の発光管と、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の一端部から発光管の一端部側外周面に係脱自在に被着する一端側ホルダと、保持枠の照明用開口部から保持枠内に挿入し且つ発光管の他端部から発光管の他端部側外周面に係脱自在に被着する他端側ホルダと、保持枠の照明用開口部から保持枠内に挿入して各ホルダの回転を防止する回転防止部材とを備え、保持枠は、一端側ホルダ係止溝と、他端側ホルダ係止溝と、回転防止部材係止溝とをそれぞれ長手方向に有し、一端側ホルダ係止溝と他端側ホルダ係止溝とは異なる方向に開口しており、回転防止部材はホルダを挿通して保持枠の回転防止部材係止溝に係止していることを特徴とする。
【００１２】
この請求項４に記載の発明では、各ホルダを被着した発光管を保持枠の照明用開口部から保持枠内に挿入して各ホルダの被係止部を保持枠に係止することにより、ねじ止めをすることなく、発光管と各ホルダの取り付け、及び保持枠とホルダの取り付けができる。
発光管の交換やメンテナンスを行なう場合には、各ホルダを保持枠に係止したまま、各ホルダを係止溝に沿って発光管から離す方向にスライドすることにより、保持枠に各ホルダを取り付けたまま発光管のみを取り外すことができ、発光管の取り付けもこれと逆にホルダの照明用開口部に挿入して保持枠内に係止してあるホルダを係止溝に沿ってスライドすることにより発光管に各ホルダを被着できるので、ホルダを保持枠から外すことなく、発光管の交換やメンテナンスができる。
一端側ホルダ係止溝と他端側ホルダ係止溝とは互いに異なる方向に開口しているので、発光管と発光管に被着した各ホルダとが一体となって連れ回りするのを防止でき、発光管に被着したホルダが保持枠から離脱するのを防止できる。
各ホルダでは回転防止防部材が保持枠の係止溝に係止しているので、例えば、発光管のメンテナンスや交換のために、発光管をホルダから外した場合でも、ホルダは、被係止部と回転防止部材とが枠部材の係止溝に係止しているので、枠部材から離脱するのを防止できる。
【００１３】
【発明の実施の形態】
以下に、添付図面を参照して、本発明の実施の形態を詳細に説明する。図１の（ａ）は図２のＡ−Ａ断面図であり、（ｂ）は（ａ）に示す発光管に各ホルダを被着した状態を抜き出して示す縦断面図であり、図２は本発明の実施の形態にかかる照明装置を装備した高欄の正面図である。
本実施の形態にかかる照明装置１は、高欄３において、架木５の下面に装着されて、架木５の下方を照明するものである。
照明装置１は、保持枠７、発光管９と、発光管９の一端部９ａに被着する一端部側ホルダ１１と、発光管９の他端部９ｂに被着する他端部側ホルダ１３と、各ホルダ１１、１３に設けた回転防止部材１４とを備えている。
保持枠７には、発光管９と一端側ホルダ１１及び他端側ホルダ１３とを収納する照明用開口部１５が設けてあり、照明用開口部１５は保持枠７の長手方向に設けた照明用装着溝１７の開口である。
装着溝１７には略円弧状の溝底２５が設けてあり、溝底２５には、一端側ホルダ係止溝１９と、他端側ホルダ係止溝２１と、回転防止部材係止溝２３とがそれぞれ保持枠７の長手方向に形成されており、回転防止部材係止溝２３は、一端側ホルダ係止溝１９と他端側ホルダ係止溝２１との間に配置されている。また、一端側ホルダ係止溝１９と、他端側ホルダ係止溝２１とは、保持枠の溝底２５に沿って略円弧状に形成されており、各溝の開口１９ａ、２１ａは互いに異なる方向に開口している。本実施の形態では、各溝の開口１９ａ、２１ａは周方向で互いに対向する方向に開口している。回転防止部材係止溝２３は保持枠７の溝底２５に略直交する方向に開口しており、３つの各係止溝１９、２１、２３の開口１９ａ、２１ａ、２３ａは相互に異なる方向に開口している。
発光管９は、長尺の円筒管であり、その長手方向にＬＥＤ２６が複数設けてある。発光管の一端部９ａには、長手方向を向く傾斜面２７が形成されており、端端部９ｂにも長手方向を向く傾斜面２９が形成されており、且つ傾斜面２７及び２９は互いに傾斜方向を反対にしている。
一端側ホルダ１１と他端側ホルダ１３とは、それぞれ発光管９の端部９ａ、９ｂに被着されており、略円筒形状を成している。各ホルダ１１、１３の内部にはそれぞれ発光管９の発光管回転規制部３１が設けられている。この発光管回転規制部３１はホルダ１１、１３の発光管９が挿入される側と反対側からホルダ１１、１３の中心軸線に沿ってホルダの略中間部まで設けた突条であり、ホルダ１１、１３に発光管９の各端部９ａ、９ｂが挿入されると、各端部９ａ、９ｂの傾斜面２７、２９が傾斜方向の中間部で、それぞれに被着するホルダ１１、１３の発光管回転規制部３１に当接している。
発光管回転規制部３１は、各ホルダ１１、１３の内部において、対向した位置に設けられている。
一端側ホルダ１１と他端側ホルダ１３には、それぞれの外周部に被係止部３３、３５が設けてられている。被係止部３３、３５はそれぞれ略Ｌ字形状を成して各ホルダ１１、１３の周方行に突設しており、対応する一端側ホルダ係止溝１９と、他端側ホルダ係止溝２１にそれぞれ係止されている。
また、一端側ホルダ１１と他端側ホルダ１３との各外周面には、それぞれ回転防止部材１４の挿通孔３７と、挿通孔３７に対抗する位置にねじ孔３９が形成されている。
回転防止部材１４は、ねじであり、一端側ホルダ１１と他端側ホルダ１３との各側面からホルダ１１、１３内に挿通して、ねじ孔３９に螺合して回転防止部材１４の先端をホルダの外周面から外側に突設している。回転防止部材１４の先端は保持枠７の回転防止部材係止溝２３に係止されており、保持枠７に対する各ホルダ１１、１３の回転が防止されている。
【００１４】
次に、照明装置１の組み立て及び作用について説明する。保持枠７を架木５の底面にねじ固定し、保持枠７に一端側ホルダ１１及び他端側ホルダ１３を装着する。保持枠７に各ホルダ１１、１３を被着する場合には、一端側ホルダ１１及び他端側ホルダ１３を保持枠７の照明用開口部１５から保持枠内に挿入し、各ホルダ１１、１３を回転させて、一端側ホルダ１１及び他端側ホルダ１３の外周面に設けている被係止部３３、３５をそれぞれ対応する一端側ホルダ係止溝１９と、他端側ホルダ係止溝２１とに係止する。この場合、一端側ホルダ係止溝１９の開口１９ａと、他端側ホルダ係止溝２１の開口２１ａとは互いに対向する方向（異なる方向）に開口しているので、各ホルダ１１、１３を反対方向に回転させる。次に、各ホルダ１１、１３に回転防止部材１４を挿通して、回転防止部材１４を保持枠７の回転防止部材係止溝２３に係止する。本実施の形態では回転防止部材１４はねじであるから、ドライバにより簡単に取り付けできる。
このように、回転防止部材１４が回転防止部材係止溝２３に係止し且つ各ホルダ１１、１３被係止部３３、３５がそれぞれのホルダ係止溝１９、２１に係止すると、各ホルダ１１、１３は、それぞれ周方向の２箇所（被係止部と回転防止部材）で保持枠７に係止され且つ回転が防止されているので、各ホルダ１１、１３は保持枠７から脱落することなく、それぞれ一端側係止溝１９と他端側係止溝２１に沿って保持枠７内を移動自在となる。
そして、一端側ホルダ１１と他端側ホルダ１３とを保持枠７の長手にスライドさせて両者の間隔をあけて、各ホルダ１１、１３の間に、照明用開口部１５から保持枠７内に発光管９を挿入し、発光管９の各端部９ａ、９ｂを挟むように各ホルダ１１、１３を移動する。そうすると、各ホルダ１１、１３の発光管回転規制部３１が発光管９の各端部の傾斜面２７、２９に傾斜方向略中央部で当接し、各ホルダ１１、１３に対する発光管９の回転が規制される。
以上のようにして、発光管９が一端側ホルダ１１及び他端側ホルダ１３とともに保持枠７内に装着される。尚、本実施の形態では、回転防止部材１４はねじであるから、ねじを締め付けるとホルダの被係止部３３、３５と対応するホルダ係止溝１９、２１とが強く係止されて長手方向への移動ができなくなるように固定することができる。
本実施の形態によれば、各ホルダ１１、１３を保持枠７に照明用開口部１５から挿入して回転させて保持枠７に係止し、次に照明用開口部１５から挿入した発光管９を挟むようにして各ホルダ１１、１３を長手方向に移動させるだけで、保持枠７に照明装置１を用意に取り付けでき、ねじ止めやナットによる螺合などの締め付け作業が必要ないので、作業性に優れる。
各ホルダ１１、１３は、発光管９の回転規制と保持枠７への係止との２つの機能を有するので、これらの機能毎の部材を設ける場合に比較して、部品点数を少なくできる。
また、発光管９の交換やメンテナンスを行なう場合には、回転防止部材係止溝２３に対して回転防止部材１４を緩めて（あるいは取り外して）、各ホルダ１１、１３を発光管９から離れるように長手方向に移動させて、各ホルダ１１、１３から発光管９を外す。そして、新しい発光管や改修した発光管は、保持枠７に係止してあるホルダ１１、１３間に配置して上述したように、各ホルダ１１、１３を発光管９を挟むようにして移動させることにより、ホルダ１１、１３に発光管９を被着できる。
このように、各ホルダ１１、１３を保持枠７に係止したまま、各ホルダ１１、１３を発光管９から離す方向にスライドすることにより、保持枠７に各ホルダ１１、１３を装着したまま発光管９のみを取り外すことができ、発光管９の被着もこれと逆に保持枠７の照明用開口部１５に挿入して各ホルダ１１、１３をスライドすることにより行なうことができるので、発光管９の交換やメンテナンスが容易にできる。
各ホルダ１１、１３は、発光管９の回転規制と保持枠への係止との２つの機能を有するので、これらの機能毎の部材を設ける場合に比較して、部品点数を少なくできる。
【００１５】
本発明は、上述した実施の形態に限らず、本発明の要旨を逸脱しない範囲で種々変形可能である。
例えば、回転防止部材１４は、ねじに限らず、略Ｖ状に折り曲げてＶ字の開き方向に付勢する板ばねとし、この板ばねの開き側端部を回転防止部材係止溝２３に挿入して係止するものであってもよい。
一端側ホルダ係止溝１９と他端側ホルダ係止溝２１とはそれぞれ異なる方向に開口していればよく、周方向に対向して開口していることに限らない。
一端側の傾斜面２７と他端部側の傾斜面２９との傾斜方向は異なる方向に傾斜することに限定されず、たとえば、互いに平行に傾斜していてもよい。
各ホルダ１１、１３において、発光管回転規制部３１は、内周側面に設けた突条に限らず、たとえば、内部を軸線方向に区画するように板状に設けたものであってもよい。
発光管９はＬＥＤに限らず、蛍光灯等の他の照射手段であってもよい。
保持枠７は高欄に限らず、室内の照明装置や外灯等にも使用でき、保持枠の取り付け場所や用途は限定されない。
【００１６】
【発明の効果】
請求項１に記載の発明によれば、各ホルダを保持枠の照明用開口部から保持枠内に挿入して各ホルダの被係止部を保持枠に係止し、両ホルダの間に発光管を配置して、両ホルダを発光管を挟むように移動することにより、保持枠に照明装置を取り付けできるので、ねじ止めやナットの締結作業をすることなく、発光管とホルダとの取り付け及びホルダと保持枠との取り付けができる。
発光管の交換やメンテナンスを行なう場合には、各ホルダを保持枠に係止したまま、各ホルダを発光管から離す方向にスライドすることにより、保持枠に各ホルダを装着したまま発光管のみを取り外すことができ、発光管の取り付けもこれと逆にホルダの照明用開口部に挿入して保持枠内に係止してあるホルダをスライドして発光管に被着することができるので、ホルダを保持枠から外すことなく、発光管の交換やメンテナンスができる。
各ホルダは、発光管の回転規制と保持枠への係止との２つの機能を有するので、これらの機能毎の部材を設ける場合に比較して、構成が簡易で且つ部品点数を少なくできる。
【００１７】
請求項２に記載の発明によれば、請求項１に記載の発明と同様な効果を奏するとともに、発光管の端部に各ホルダを被着すると、発光管回転規制部が発光管の端部の傾斜面にその傾斜方向中間部で当接し、発光管回転規制部は発光管の長手方向及びその周方向の二方向の移動を規制することができ、構成が簡単であるとともに別途部品を必要しないから、部品点数が少なくて済む。
【００１８】
請求項３に記載の発明によれば、請求項１に記載の発明と同様な効果を奏するとともに、一端側ホルダ係止溝と他端側ホルダ係止溝とは互いに異なる方向に開口しているので、保持枠に対して発光管と各ホルダとが一体となって連れ回りして保持枠から離脱するのを防止できる。
【００１９】
請求項４に記載の発明では、各ホルダを被着した発光管を保持枠の照明用開口部から保持枠内に挿入して各ホルダの被係止部を保持枠に係止することにより、ねじ止めをすることなく、発光管とホルダとの取り付け及びホルダと保持枠との取り付けができる。
発光管の交換やメンテナンスを行なう場合には、各ホルダを保持枠に係止したまま、各ホルダを係止溝に沿って発光管から離す方向にスライドすることにより、保持枠に各ホルダを装着したまま発光管のみを取り外すことができ、発光管の被着もこれと逆にホルダの照明用開口部に挿入して保持枠内に係止してあるホルダを係止溝に沿ってスライドすることにより行なうことができるので、ホルダを保持枠から外すことなく、発光管の交換やメンテナンスができる。
一端側ホルダ係止溝と他端側ホルダ係止溝とは互いに異なる方向に開口しているので、発光管と発光管に被着した各ホルダとが一体となって連れ回りするのを防止でき、発光管に被着したホルダが保持枠から離脱するのを防止できる。
各ホルダでは回転防止防部材が保持枠の係止溝に係止しているので、例えば、発光管のメンテナンスや交換のために、発光管をホルダから外した場合でも、ホルダは被係止部と回転防止部材とが枠部材の係止溝に係止しているので、枠部材から離脱するのを防止できる。
【図面の簡単な説明】
【図１】（ａ）は図２のＡ−Ａ断面図であり、（ｂ）は（ａ）に示す発光管に各ホルダを被着した状態を抜き出して示す縦断面図である。
【図２】本発明の実施の形態にかかる照明装置を装備した高欄の正面図である。
【符号の説明】
１照明装置
７保持枠
９発光管
９ａ一端部
９ｂ他端部
１１一端側ホルダ
１３他端側ホルダ
１４回転防止部材
１５照明用開口部
１９一端側ホルダ係止溝
２１他端側ホルダ係止溝
２３回転防止部材係止溝
２７傾斜面
２９傾斜面
３１発光管回転規制部
３３被係止部
３５被係止部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lighting device.
[0002]
[Prior art]
As this type of prior art, Patent Document 1 discloses a technique in which an arc tube is inserted from an illumination opening in a holding frame and a holder is attached to the holding frame. In this Patent Document 1, a holding bolt in the longitudinal direction is provided in the holding frame, the bolt is slid from the end of the holding frame to the required position from the end of the bolt locking groove, and the holder of the arc tube is nuted to the bolt. It is fixed in the holding frame.
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 11-117228
[Problems to be solved by the invention]
However, in the technique disclosed in the above-described Patent Document 1, it is necessary to fasten the bolt and the nut to fix the holder and the holding frame.
Further, although the above-mentioned patent document does not disclose the fixing between the arc tube and the holder, generally, the holder is fixed to the arc tube with a screw or the like, and there is a problem that this screwing work is troublesome. is there.
Furthermore, in order to replace and maintain the arc tube, remove the arc tube together with the holder from the holding frame, then remove the holder from the arc tube, attach a new arc tube to the holder, and attach the holder to the holding frame. There is a problem that it takes time and labor to maintain the arc tube.
Accordingly, the present invention has an object to provide an illuminating device in which the arc tube and the holder can be attached and the holding frame and the holder can be attached without screwing or nut tightening, and the arc tube can be easily replaced or maintained. And
[0005]
[Means for Solving the Problems]
The invention according to claim 1 is a substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, and one end of the arc tube inserted into the holding frame from the illumination opening of the holding frame. One end side holder provided in the part, and the other end side holder provided in the other end part of the arc tube from the illumination opening of the holding frame and provided at the other end of the arc tube. It has a restricting portion and a locked portion that is provided on the outer peripheral portion and engages with the holding frame. It is slidable in the direction away from the arc tube while it is locked to, and only the arc tube can be removed while each holder is attached to the holding frame .
[0006]
According to the first aspect of the present invention, the lighting device is attached to the holding frame by inserting each holder into the holding frame from the illumination opening of the holding frame and engaging the locked portion of each holder with the holding frame. The arc tube is disposed between the holders, the holders are moved so as to sandwich the arc tube, and are attached to one end side and the other end side of the arc tube. Therefore, in the present invention, the arc tube and the holder can be attached and the holder and the holding frame can be attached without screwing or fastening the nut.
When replacing or maintaining the arc tube, slide each holder in a direction away from the arc tube while holding the holders on the holding frame, so that only the arc tube is attached with the holders attached to the holding frame. The holder can be attached to the end of the arc tube by sliding the holder inserted into the illumination opening of the holder and being locked in the holding frame. The arc tube can be replaced and maintained without removing it from the holding frame.
Since each holder has two functions of restricting the rotation of the arc tube and locking to the holding frame, the configuration is simple and the number of parts can be reduced as compared with the case where members for each of these functions are provided.
[0007]
The invention according to claim 2 is a substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, and one end of the arc tube inserted into the holding frame from the illumination opening of the holding frame. One end side holder provided in the part, and the other end side holder provided in the other end part of the arc tube from the illumination opening of the holding frame and provided at the other end of the arc tube. There are a restricting portion and a locked portion that is provided on the outer peripheral portion and locked to the holding frame, and is detachably attached from each end of the arc tube to the outer peripheral surface of the end portion. The one end portion and the other end portion have inclined surfaces that face the longitudinal direction of the holding frame, and each arc tube rotation restricting portion is in contact with an intermediate portion in the inclined direction of the inclined surface of the arc tube.
[0008]
According to the second aspect of the present invention, the same effect as that of the first aspect of the invention can be obtained, and when each holder is attached to the end of the arc tube, the arc tube rotation restricting portion becomes the end of the arc tube. The arc tube rotation restricting portion restricts the movement of the arc tube in the longitudinal direction and the circumferential direction thereof.
Therefore, the arc tube rotation restricting portion is formed inside the holder, and the rotation of the arc tube can be restricted only by forming the inclined surface at the end of the arc tube, and the configuration is simple and no additional parts are required. The number of parts is small.
[0009]
The invention according to claim 3 is a substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, and one end of the arc tube inserted into the holding frame from the illumination opening of the holding frame. One end side holder provided in the part, and the other end side holder provided in the other end part of the arc tube from the illumination opening of the holding frame and provided at the other end of the arc tube. A restricting portion and a locked portion that is provided on the outer peripheral portion and engages with the holding frame, and is detachably attached from each end portion of the arc tube to the outer peripheral surface on the end portion ; The locked portion of the other end side is locked in the longitudinal direction of the holding frame, and the locked portion of the other end side holder is provided in the longitudinal direction of the holding frame and the one end side holder The other end side holder locking groove that opens in a direction different from the locking groove is locked.
[0010]
In this invention of Claim 3, while having the same effect as the invention of Claim 1, the one end side holder locking groove and the other end side holder locking groove are opened in different directions. Therefore, it is possible to prevent the arc tube and each holder from being integrally rotated with respect to the holding frame and detaching from the holding frame.
[0011]
According to a fourth aspect of the present invention, there is provided a holding frame, a substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, and inserted into the holding frame from the illumination opening of the holding frame; One end side holder detachably attached from one end of the arc tube to the outer peripheral surface of the one end side of the arc tube, and inserted into the holding frame from the illumination opening of the holding frame and emits light from the other end of the arc tube A holder on the other end side that is detachably attached to the outer peripheral surface on the other end side of the tube, and an anti-rotation member that is inserted into the holding frame from the illumination opening of the holding frame to prevent the rotation of each holder. The holding frame has one end side holder locking groove, the other end side holder locking groove, and an anti-rotation member locking groove in the longitudinal direction, and the one end side holder locking groove and the other end side holder locking It opens in a direction different from the groove, and the anti-rotation member is inserted through the holder and locked in the anti-rotation member locking groove of the holding frame. The features.
[0012]
According to the fourth aspect of the present invention, the arc tube with each holder attached is inserted into the holding frame from the illumination opening of the holding frame, and the locked portion of each holder is locked to the holding frame. The arc tube and each holder can be attached and the holding frame and the holder can be attached without screwing.
When replacing or maintaining the arc tube, attach each holder to the holding frame by sliding each holder in the direction away from the arc tube along the locking groove while locking each holder to the holding frame. Only the arc tube can be removed, and the arc tube can be attached by inserting it into the illumination opening of the holder and sliding the holder locked in the holding frame along the locking groove. Since each holder can be attached to the arc tube, the arc tube can be replaced or maintained without removing the holder from the holding frame.
Since the one end side holder locking groove and the other end side holder locking groove are opened in different directions, it is possible to prevent the arc tube and the holders attached to the arc tube from being rotated together. The holder attached to the arc tube can be prevented from being detached from the holding frame.
In each holder, the anti-rotation prevention member is locked in the locking groove of the holding frame. For example, even when the arc tube is removed from the holder for maintenance or replacement of the arc tube, the holder is locked Since the portion and the rotation preventing member are locked in the locking groove of the frame member, it can be prevented from being detached from the frame member.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1A is a cross-sectional view taken along the line AA of FIG. 2, FIG. 1B is a vertical cross-sectional view showing a state in which each holder is attached to the arc tube shown in FIG. It is a front view of the handrail equipped with the illuminating device concerning embodiment of this invention.
The lighting device 1 according to the present embodiment is mounted on the lower surface of the bridge 5 in the rail 3 to illuminate the lower part of the bridge 5.
The lighting device 1 includes a holding frame 7, an arc tube 9, one end side holder 11 that is attached to one end portion 9 a of the arc tube 9, and another end side holder 13 that is attached to the other end portion 9 b of the arc tube 9. And an anti-rotation member 14 provided in each of the holders 11 and 13.
The holding frame 7 is provided with an illumination opening 15 for housing the arc tube 9, the one end side holder 11 and the other end side holder 13, and the illumination opening 15 is provided in the longitudinal direction of the holding frame 7. This is the opening of the mounting groove 17 for use.
The mounting groove 17 is provided with a substantially arc-shaped groove bottom 25. The groove bottom 25 has one end side holder locking groove 19, the other end side holder locking groove 21, and an anti-rotation member locking groove 23. Are formed in the longitudinal direction of the holding frame 7, and the rotation prevention member locking groove 23 is disposed between the one end side holder locking groove 19 and the other end side holder locking groove 21. The one end side holder locking groove 19 and the other end side holder locking groove 21 are formed in a substantially arc shape along the groove bottom 25 of the holding frame, and the openings 19a and 21a of the respective grooves are different from each other. Open in the direction. In the present embodiment, the openings 19a and 21a of each groove are opened in a direction facing each other in the circumferential direction. The rotation prevention member locking groove 23 is opened in a direction substantially orthogonal to the groove bottom 25 of the holding frame 7, and the openings 19a, 21a, 23a of the three locking grooves 19, 21, 23 are in different directions. It is open.
The arc tube 9 is a long cylindrical tube, and a plurality of LEDs 26 are provided in the longitudinal direction thereof. An inclined surface 27 facing the longitudinal direction is formed at one end 9a of the arc tube, an inclined surface 29 facing the longitudinal direction is also formed at the end end 9b, and the inclined surfaces 27 and 29 are inclined with respect to each other. The direction is reversed.
The one end side holder 11 and the other end side holder 13 are respectively attached to the end portions 9a and 9b of the arc tube 9 and have a substantially cylindrical shape. An arc tube rotation restricting portion 31 for the arc tube 9 is provided inside each of the holders 11 and 13. The arc tube rotation restricting portion 31 is a protrusion provided from the opposite side of the holder 11, 13 to the side where the arc tube 9 is inserted, to the substantially intermediate portion of the holder along the central axis of the holder 11, 13. 13, when the end portions 9 a, 9 b of the arc tube 9 are inserted, the inclined surfaces 27, 29 of the end portions 9 a, 9 b are intermediate portions in the inclined direction, and the light emission of the holders 11, 13 to be attached to the respective ends 9 a, 9 b. It is in contact with the tube rotation restricting portion 31.
The arc tube rotation restricting portion 31 is provided at a position facing each other inside the holders 11 and 13.
The one end side holder 11 and the other end side holder 13 are provided with locked portions 33 and 35 on their outer peripheral portions. The locked portions 33 and 35 are substantially L-shaped and protrude in the circumferential direction of the holders 11 and 13, respectively, and the corresponding one end side holder locking groove 19 and the other end side holder locking groove 21. Are respectively locked.
Further, the outer peripheral surfaces of the one end side holder 11 and the other end side holder 13 are formed with an insertion hole 37 of the rotation preventing member 14 and a screw hole 39 at a position facing the insertion hole 37, respectively.
The rotation preventing member 14 is a screw, and is inserted into the holders 11 and 13 from the side surfaces of the one end side holder 11 and the other end side holder 13, and is screwed into the screw hole 39 so that the tip of the rotation preventing member 14 is inserted. It protrudes outward from the outer peripheral surface of the holder. The tip of the rotation preventing member 14 is locked in the rotation preventing member locking groove 23 of the holding frame 7, and the rotation of the holders 11 and 13 with respect to the holding frame 7 is prevented.
[0014]
Next, the assembly and operation of the lighting device 1 will be described. The holding frame 7 is screwed to the bottom surface of the bridge 5, and the one end side holder 11 and the other end side holder 13 are attached to the holding frame 7. When the holders 11 and 13 are attached to the holding frame 7, the one end side holder 11 and the other end side holder 13 are inserted into the holding frame from the illumination opening 15 of the holding frame 7, and the holders 11 and 13 are inserted. , And the one end side holder locking groove 19 and the other end side holder locking groove 21 respectively corresponding to the locked portions 33 and 35 provided on the outer peripheral surfaces of the one end side holder 11 and the other end side holder 13. And lock. In this case, the opening 19a of the one end side holder locking groove 19 and the opening 21a of the other end side holder locking groove 21 are open in opposite directions (different directions). Rotate in the direction. Next, the anti-rotation member 14 is inserted into the holders 11 and 13, and the anti-rotation member 14 is engaged with the anti-rotation member engagement groove 23 of the holding frame 7. In the present embodiment, the rotation preventing member 14 is a screw and can be easily attached by a driver.
Thus, when the anti-rotation member 14 is engaged with the anti-rotation member engaging groove 23 and the holders 11 and 13 to be engaged 33 and 35 are engaged with the respective holder engaging grooves 19 and 21, each holder Since 11 and 13 are locked to the holding frame 7 at two locations in the circumferential direction (the locked portion and the rotation preventing member) and are prevented from rotating, the holders 11 and 13 are detached from the holding frame 7. Without any movement, the inside of the holding frame 7 can be moved along the one end side locking groove 19 and the other end side locking groove 21.
Then, the one end side holder 11 and the other end side holder 13 are slid in the longitudinal direction of the holding frame 7 so as to be spaced from each other, and between the holders 11 and 13, the illumination opening 15 enters the holding frame 7. The arc tube 9 is inserted, and the holders 11 and 13 are moved so as to sandwich the end portions 9 a and 9 b of the arc tube 9. Then, the arc tube rotation restricting portion 31 of each holder 11, 13 abuts on the inclined surfaces 27, 29 of each end portion of the arc tube 9 at the substantially central portion in the tilt direction, and the arc tube 9 rotates with respect to each holder 11, 13. Be regulated.
As described above, the arc tube 9 is mounted in the holding frame 7 together with the one end side holder 11 and the other end side holder 13. In the present embodiment, since the rotation preventing member 14 is a screw, when the screw is tightened, the locked portions 33 and 35 of the holder and the corresponding holder locking grooves 19 and 21 are strongly locked in the longitudinal direction. It can be fixed so that it cannot be moved to.
According to the present embodiment, each of the holders 11 and 13 is inserted into the holding frame 7 through the illumination opening 15, rotated and locked to the holding frame 7, and then the arc tube inserted through the illumination opening 15. By simply moving the holders 11 and 13 in the longitudinal direction with 9 interposed therebetween, the lighting device 1 can be easily attached to the holding frame 7, and tightening work such as screwing or screwing with a nut is not necessary. Excellent.
Each holder 11, 13 has two functions of restricting rotation of the arc tube 9 and locking to the holding frame 7, so that the number of parts can be reduced as compared with the case where members for each of these functions are provided.
When the arc tube 9 is replaced or maintained, the anti-rotation member 14 is loosened (or removed) from the anti-rotation member locking groove 23 so that the holders 11 and 13 are separated from the arc tube 9. The arc tube 9 is removed from the holders 11 and 13 by moving in the longitudinal direction. Then, a new arc tube or a modified arc tube is arranged between the holders 11 and 13 locked to the holding frame 7, and the holders 11 and 13 are moved so as to sandwich the arc tube 9 as described above. Thus, the arc tube 9 can be attached to the holders 11 and 13.
In this way, the holders 11 and 13 are kept attached to the holding frame 7 by sliding the holders 11 and 13 away from the arc tube 9 while the holders 11 and 13 are locked to the holding frame 7. Only the arc tube 9 can be removed, and the arc tube 9 can be attached by inserting it into the illumination opening 15 of the holding frame 7 and sliding the holders 11 and 13 on the contrary. The arc tube 9 can be easily replaced and maintained.
Each holder 11, 13 has two functions of restricting rotation of the arc tube 9 and locking to the holding frame, so that the number of parts can be reduced as compared with the case where members for each of these functions are provided.
[0015]
The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.
For example, the anti-rotation member 14 is not limited to a screw, but is a leaf spring that is bent in a substantially V shape and is biased in the V-shaped opening direction, and the open end of the leaf spring is inserted into the anti-rotation member locking groove 23 And may be locked.
The one end-side holder locking groove 19 and the other end-side holder locking groove 21 only need to be opened in different directions, and are not limited to opening facing the circumferential direction.
The inclination directions of the inclined surface 27 on the one end side and the inclined surface 29 on the other end side are not limited to be inclined in different directions, and may be inclined in parallel to each other, for example.
In each holder 11, 13, the arc tube rotation restricting portion 31 is not limited to the protrusion provided on the inner peripheral side surface, and may be provided in a plate shape so as to partition the inside in the axial direction.
The arc tube 9 is not limited to the LED, but may be other irradiation means such as a fluorescent lamp.
The holding frame 7 can be used not only for the handrails but also for indoor lighting devices, outdoor lights, and the like, and the mounting position and use of the holding frame are not limited.
[0016]
【The invention's effect】
According to the first aspect of the present invention, each holder is inserted into the holding frame from the illumination opening of the holding frame, the locked portion of each holder is locked to the holding frame, and light is emitted between both holders. By arranging the tube and moving both holders so that the arc tube is sandwiched, the lighting device can be attached to the holding frame, so that without attaching the arc tube and the nut, The holder and the holding frame can be attached.
When replacing or maintaining the arc tube, slide each holder in the direction away from the arc tube while retaining the holders on the holding frame, so that only the arc tube is mounted with the holders attached to the holder frame. The holder can be removed, and the arc tube can be attached to the arc tube by sliding the holder inserted into the illumination opening of the holder and locked in the holding frame. The arc tube can be replaced and maintained without removing it from the holding frame.
Since each holder has two functions of restricting the rotation of the arc tube and locking to the holding frame, the configuration is simple and the number of parts can be reduced as compared with the case where members for each of these functions are provided.
[0017]
According to the second aspect of the present invention, the same effect as that of the first aspect of the invention can be obtained. When each holder is attached to the end portion of the arc tube, the arc tube rotation restricting portion becomes the end portion of the arc tube. The arc tube rotation restricting portion is capable of restricting movement in the longitudinal direction and the circumferential direction of the arc tube, and is simple in structure and requires separate parts. No part count is required.
[0018]
According to the invention described in claim 3, while having the same effect as that of the invention described in claim 1, the one end side holder locking groove and the other end side holder locking groove are opened in different directions. Therefore, it is possible to prevent the arc tube and each holder from being integrally rotated with respect to the holding frame and being detached from the holding frame.
[0019]
In the invention according to claim 4, by inserting the arc tube with each holder attached into the holding frame from the illumination opening of the holding frame and locking the locked portion of each holder to the holding frame, The attachment of the arc tube and the holder and the attachment of the holder and the holding frame can be performed without screwing.
When replacing or maintaining the arc tube, attach each holder to the holding frame by sliding each holder in the direction away from the arc tube along the locking groove while locking each holder to the holding frame. Only the arc tube can be removed while the arc tube is attached, and on the contrary, the arc tube is inserted into the illumination opening of the holder and the holder locked in the holding frame is slid along the locking groove. Therefore, the arc tube can be replaced and maintained without removing the holder from the holding frame.
Since the one end side holder locking groove and the other end side holder locking groove are opened in different directions, it is possible to prevent the arc tube and the holders attached to the arc tube from being rotated together. The holder attached to the arc tube can be prevented from being detached from the holding frame.
In each holder, the anti-rotation preventing member is locked in the locking groove of the holding frame. For example, even when the arc tube is removed from the holder for maintenance or replacement of the arc tube, the holder is not locked. And the anti-rotation member are locked in the locking grooves of the frame member, so that it can be prevented from being detached from the frame member.
[Brief description of the drawings]
1A is a cross-sectional view taken along the line AA of FIG. 2, and FIG. 1B is a longitudinal cross-sectional view showing a state where each holder is attached to the arc tube shown in FIG.
FIG. 2 is a front view of a handrail equipped with the illumination device according to the embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Illuminating device 7 Holding frame 9 Arc tube 9a One end part 9b Other end part 11 One end side holder 13 Other end side holder 14 Anti-rotation member 15 Illumination opening part 19 One end side holder latching groove 21 Other end side holder latching groove 23 Anti-rotation member locking groove 27 inclined surface 29 inclined surface 31 arc tube rotation restricting portion 33 locked portion 35 locked portion

Claims

A substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, an end holder inserted into the holding frame from the illumination opening of the holding frame and provided at one end of the arc tube, and holding The other end side holder that is inserted into the holding frame from the illumination opening of the frame and provided at the other end of the arc tube, and each holder is provided at the arc tube rotation restricting portion provided inside and the outer peripheral portion. A locking portion that is locked to the holding frame, and is detachably attached from each end of the arc tube to the outer peripheral surface of the end portion, and is separated from the arc tube while being locked in the holding frame. An illuminating device characterized by being slidable in a direction and capable of removing only the arc tube while each holder is attached to a holding frame .

A substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, an end holder inserted into the holding frame from the illumination opening of the holding frame and provided at one end of the arc tube, and holding The other end side holder that is inserted into the holding frame from the illumination opening of the frame and provided at the other end of the arc tube, and each holder is provided at the arc tube rotation restricting portion provided inside and the outer peripheral portion. A locking portion that locks to the holding frame, and is detachably attached from each end of the arc tube to the outer peripheral surface of the end portion, and the arc tube has a holding frame at one end and the other end. longitudinally an inclined surface facing the respective light emitting tube rotation restricting portion lighting apparatus characterized by being in contact with the inclined direction intermediate portion of the inclined surface of the arc tube.

A substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, an end holder inserted into the holding frame from the illumination opening of the holding frame and provided at one end of the arc tube, and holding The other end side holder that is inserted into the holding frame from the illumination opening of the frame and provided at the other end of the arc tube, and each holder is provided at the arc tube rotation restricting portion provided inside and the outer peripheral portion. A locking portion that locks to the holding frame, and is detachably attached from each end of the arc tube to the outer peripheral surface of the end portion. The one end side holder locking groove provided in the longitudinal direction of the holder is locked, and the locked portion of the other end side holder is provided in the longitudinal direction of the holding frame and opens in a direction different from the one end side holder locking groove. The lighting device according to claim 1, wherein the lighting device is locked in the other-end side holder locking groove.

A holding frame, a substantially cylindrical arc tube inserted into the holding frame from the illumination opening of the holding frame, an insertion tube into the holding frame through the illumination opening of the holding frame and the arc tube from one end of the arc tube One end side holder detachably attached to the outer peripheral surface of the one end side, and inserted into the holding frame from the illumination opening of the holding frame and from the other end of the arc tube to the outer peripheral side of the other end side of the arc tube The other end-side holder that is detachably attached and an anti-rotation member that is inserted into the holding frame from the illumination opening of the holding frame to prevent the rotation of each holder. The stopper groove, the other end side holder locking groove, and the anti-rotation member locking groove are each in the longitudinal direction, and the one end side holder locking groove and the other end side holder locking groove are opened in different directions. And the anti-rotation member is inserted into the holder and locked in the anti-rotation member locking groove of the holding frame.