JP2004047235A - Signal light for vehicle - Google Patents

Signal light for vehicle Download PDF

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Publication number
JP2004047235A
JP2004047235A JP2002201786A JP2002201786A JP2004047235A JP 2004047235 A JP2004047235 A JP 2004047235A JP 2002201786 A JP2002201786 A JP 2002201786A JP 2002201786 A JP2002201786 A JP 2002201786A JP 2004047235 A JP2004047235 A JP 2004047235A
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Japan
Prior art keywords
reflected
light
reflecting part
effective reflecting
effective
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JP2002201786A
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Japanese (ja)
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JP3996001B2 (en
Inventor
Takeshi Tatewaki
帯刀　武史
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Honda Motor Co Ltd
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Honda Motor Co Ltd
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Publication date
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Priority to JP2002201786A priority Critical patent/JP3996001B2/en
Priority to TW092117007A priority patent/TWI240787B/en
Priority to IT000514A priority patent/ITTO20030514A1/en
Priority to MYPI20032509A priority patent/MY130627A/en
Priority to CNB031462464A priority patent/CN1285854C/en
Priority to ES200301572A priority patent/ES2246647B1/en
Priority to KR1020030045286A priority patent/KR100541008B1/en
Publication of JP2004047235A publication Critical patent/JP2004047235A/en
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Publication of JP3996001B2 publication Critical patent/JP3996001B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/20—Direction indicator lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F21W2107/13—Use or application of lighting devices on or in particular types of vehicles for land vehicles for cycles
    • F21W2107/17—Use or application of lighting devices on or in particular types of vehicles for land vehicles for cycles for motorcycles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To enable a whole signal light emit light by having light emitted from a bulb reflected at an inside face of a lens and a reflecting part in turn through installation of a staircase-shape non-effective reflecting part on a reflector. <P>SOLUTION: The reflector 91 is structured of an effective reflecting part 94 based on a paraboloid, and a staircase-shape non-effective reflecting part 95 integrally formed with the effective reflecting part 94 and not based on a paraboloid. Light emitted from the bulb 64, since it is placed in front of the staircase-shape non-effective reflecting part 95, can be reflected so as to directly reach the non-effective reflecting part 95 and reflected in turn by an inner face 82A of the lens 82 and the non-effective reflecting part 95. With this structure, light emitted from the bulb can also be reflected by the non-effective reflecting part, and that, a whole winker can be illuminated, so that there won't be any large difference in impressions given at lighting-on and-off of the winker, which enhances a merchandise property of the winker. Since the staircase-shape non-effective reflecting part reflects light to various directions, part of the winker can be made to emit light like an illumination to give a novel impression, a merchandise property of the signal light for the vehicle can further be enhanced. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、点灯時と非点灯時とに与える外観の印象に大きな差を生じにくくして商品性を高めた車両用信号灯に関する。
【０００２】
【従来の技術】
信号灯、照明灯等の車両用ランプ類としては、例えば、特開２０００−３２２９２３公報「車両用前照灯装置」に記載されたものが知られている。
上記公報の図１及び図５を以下の図７及び図８で説明する。なお、符号は振り直した。
【０００３】
図７は従来の信号灯の正面図、図８は図７の８−８線断面図であり、図７に示すように、ケース２０１の前面にレンズ２０２（図８参照）を取付け、ケース２０２の中央部にリフレクタ２０３を配置し、このリフレクタ２０３の左右端部に近接するケース２０１に三角形状の内面領域２０５，２０５を設けたヘッドライト２０６が記載されている。
【０００４】
内面領域２０５は、リフレクタ２０３の左右に形成した段２０７と同様の段２０８を形成することで、段２０７と段２０８とが呈する筋状模様の連続が外観の一体感をきわだたせ、更に、内面領域２０５とリフレクタ２０３の端部との間隙Ｇを内面領域２０５の段２０８の間隔と略同一にすることで、外観の連続性を高める。
図８では、ケース２０１の内面領域２０５に複数の段を設けたことを示す。
【０００５】
【発明が解決しようとする課題】
ヘッドライド２０６が点灯していないときには、リフレクタ２０３と内面領域２０５，２０５とが連続的に見えて横長のヘッドライト２０６という印象を受けるが、ヘッドライト２０６が点灯したときには、内面領域２０５，２０５が発光しないために、ヘッドライト２０６の横幅が小さく変化したように見える。このため、点灯時と非点灯時とで与える印象に大きな差が生じる。
【０００６】
そこで、本発明の目的は、車両用信号灯を改良することで、点灯時と非点灯時とに与える外観の印象に大きな差を生じにくくして、商品性を高めることにある。
【０００７】
【課題を解決するための手段】
上記目的を達成するために請求項１は、バルブを設けたリフレクタを支持するケースと、このケースの前面に取付けられたレンズを有する車両用信号灯において、リフレクタを、放物面を基本とした有効反射部と、この有効反射部と一体的に形成するとともにほぼ階段状とし且つ放物面を基本としない階段状非有効反射部とから構成し、この階段状非有効反射部よりも前方にバルブを配置することで、バルブから発した光を、階段状非有効反射部に直接届くようにして反射させるとともに、バルブから発した光を、レンズの内面及び階段状非有効反射部で順に反射させるようにしたことを特徴とする。
【０００８】
バルブから発した光をリフレクタの有効反射部に加えて階段状非有効反射部でも反射させることができ、信号灯の全体を発光させることができる。従って、信号灯の点灯時と非点灯時とに与える印象に大きな差が生じにくく、信号灯の商品性を高めることができる。
【０００９】
また、階段状非有効反射部が光を各方向に反射するため、信号灯の一部をイルミネーション状に発光させることができ、新規な印象を与えることができて、商品性をより一層高めることができる。
【００１０】
【発明の実施の形態】
本発明の実施の形態を添付図に基づいて以下に説明する。なお、図面は符号の向きに見るものとする。
図１は本発明に係る自動二輪車の側面図であり、車両としての自動二輪車１０は、ヘッドパイプ１１を前端に取付けた車体フレーム１２と、ヘッドパイプ１１に回転可能に取付けたハンドル軸１３と、このハンドル軸１３の下部に取付けたフロントフォーク１４と、このフロントフォーク１４の下端に取付けた前輪１６と、この前輪１６を操舵するためにハンドル軸１３の上部に取付けたハンドル１７と、ハンドル軸１３、ヘッドパイプ１１及びフロントフォーク１４の前部を覆うフロントカバー１８と、このフロントカバー１８の後部に取付けたフロントインナカバー２１と、前述の車体フレーム１２の後部上部に取付けたラゲッッジボックス２２と、このラゲッジボックス２２の上方に開閉自在に配置したタンデムシート２３と、車体フレーム１２の後部下部に取付けたパワーユニット２４と、このパワーユニット２４の後端部に取付けた後輪２６とからなる。
【００１１】
ここで、２３Ａ，２３Ｂはタンデムシート２３の運転者用シート及び同乗者用シート、３１は前輪１６の上方を覆うフロントフェンダ、３２はハンドル１７の前方を覆うハンドルカバー、３３はハンドルカバー３２に取付けたウインドスクリーン、３４はハンドルカバー３２の後部に取付けたハンドルインナカバー、３６はバックミラー、３７，３７（手前側の符号３７のみ図示）はフロアステップ、３８，３８（手前側の符号３８のみ図示）はフロアステップ３７，３７を支持するステップ支持フレーム、４１，４２はパワーユニット２４を構成するエンジン及び動力伝達機構、４３はスタンド、４４はパワーユニット２４の後端と車体フレーム１２の後端とに渡したリヤクッションユニット、４６は車体カバー、４７は後輪２６の上方を覆うリヤフェンダである。
【００１２】
また、４８，４８（手前側の符号４８のみ図示）はリヤ用のウインカ、５１は車体側にタンデムシート２３を開閉自在に取付けるためのシートヒンジ、５２はタンデムシート２３を閉じたときにタンデムシート２３を車体側に係合させるシートキャッチャ、５３は車体側に取付けたシートキャッチャ５２と係合させるためにタンデムシート２３の底板に取付けたシートフックである。
【００１３】
自動二輪車１０は、後述するフロント用の信号灯としてのウインカを縦長とし、このウインカの全体を発光させるとともに、ウインカの上半分をイルミネーション的にきらきらと発光させる構造に特徴があり、この構造について以下に述べる。
【００１４】
図２は本発明に係る自動二輪車の正面図であり、車体の前部中央に正面視がほぼ三角形状のヘッドランプ５６を取付け、このヘッドランプ５６の両側方及び下方をＶ字状のフロントサブカバー５７で覆い、このフロントサブカバー５７の左右に信号灯としてのウインカ５８，６１を配置したことを示す。なお、６３はメータバイザ、６４，６４はウインカ５８，６１用のバルブ、６５はフロントカバー１８の開口部である。
【００１５】
ウインカ５８，６１は、縦長でほぼ三角形状とし、バルブ６４，６４を配置した下部だけでなく上部をも発光させるようにして商品性を高めるとともにイルミネーション的な効果をも発揮させるものである。
【００１６】
図３は本発明に係る自動二輪車の平面図であり、リヤフレーム１２Ａを左右一対の左フレーム６７及び右フレーム６８から構成し、左フレーム６７にシートキャッチャ５２を取付け、右フレーム６８にシートヒンジ５１を取付けたことを示す。なお、７１は左フレーム６７及び右フレーム６８の各後端に渡したクロスパイプ、７２，７２は同乗者が足を載せるためにステップ支持フレーム３８（図１参照）に折り畳み可能に取付けた同乗者用ステップ（図では折りたたんだ状態にある。）である。
【００１７】
ウインカ５８，６１は、それらの内側部５８Ａ，６１Ａを平面視でフロントフェンダ３１の左右の側部３１Ａ，３１Ｂと連続させるように配置してデザインの一体感を得るようにしたものである。
【００１８】
図４（ａ），（ｂ）は本発明に係るウインカの説明図であり、（ａ）はレンズを付けた状態を示す正面図，（ｂ）はレンズを外した状態を示す正面図である。（ａ）において、ウインカ５８は、ケース８１の前面にレンズ８２を取りつけた信号灯であり、レンズ８２のレンズカットを内側部５８Ａにほぼ平行に設けたものである。なお、８４〜８７はウインカ５８をフロントカバー１８（図２参照）に取付けるためのカバー側取付部である。なお、ウインカ６１（図２参照）については、ウインカ５８と左右対称で基本構造が同一であるため、以下での詳細説明は省略する。
【００１９】
（ｂ）において、ウインカ５８は、マルチリフレクタ（多反射面）構造で且つケース８１に一体成形したリフレクタ９１を備え、バルブ６４を内側部５８Ａに取りつけたものである。なお、８１Ａはケース８１に設けたバルブ取付部である。
【００２０】
図５は図４（ａ）の５−５線断面図であり、リフレクタ９１を、基本形状がバルブ６４の光源９３を焦点とする放物面を成す有効反射部９４と、この有効反射部９４より上方に有効反射部９４と一体にした階段状の階段状非有効反射部９５とから構成したことを示す。なお、Ｈ１は有効反射部９４の高さ、Ｈ２は階段状非有効反射部９５の高さである。
階段状非有効反射部９５は、信号灯配光性能に直接寄与しない部分である。
【００２１】
有効反射部９４は、凸状の円弧面とした反射面９７…（…は複数個を示す。以下同じ。）を備え、階段状非有効反射部９５は、バルブ６４より上方のリフレクタ９１に設けた部分であって段部１０１〜１０９からなる。
【００２２】
段部１０１〜１０９はそれぞれに、水平とした水平反射面１１１〜１１９と、これらの水平反射面１１１〜１１９の後端から立ち上げるとともに非放物面の帯状反射面１２１〜１２９とを備える。
【００２３】
即ち、段部１０１は水平反射面１１１及び帯状反射面１２１からなり、段部１０２は水平反射面１１２及び帯状反射面１２２からなり、段部１０３は水平反射面１１３及び帯状反射面１２３からなり、段部１０４は水平反射面１１４及び帯状反射面１２４からなり、段部１０５は水平反射面１１５及び帯状反射面１２５からなり、段部１０６は水平反射面１１６及び帯状反射面１２６からなり、段部１０７は水平反射面１１７及び帯状反射面１２７からなり、段部１０８は水平反射面１１８及び帯状反射面１２８からなり、段部１０９は水平反射面１１９及び帯状反射面１２９からなる。
【００２４】
階段状非有効反射部９５は、バルブ６４よりも後方に配置するとともに、段部１０１〜１０９の帯状反射面１２１〜１２９を、バルブ６４から発した光が直接届くように配置した部分である。
即ち、バルブ６４の光源９３から段部１０１の水平反射面１１１の前端１３２を通る直線１３３を引いたときに、帯状反射面１２１〜１２９のどの反射面も、その少なくとも一部を、直線１３３よりも上方に配置した。
【００２５】
帯状反射面１２１〜１２９は、図４（ｂ）において、有効反射部９４の各反射面９７…の長手方向を水平にしたのと同様に、長手方向を水平にすることで、ウインカ５８の非点灯時に、有効反射部９４と階段状非有効反射部９５とでレンズ８２を通した外観性の差を少なくして違和感を無くすことができる。
【００２６】
また、正面視で帯状反射面１２１〜１２９と反射面９７…との各反射面毎の上下幅をほぼ同一とすることで、ウインカ５８の点灯時に、明るい部分の中に、水平で平行な複数の筋として見える暗い部分が自然な印象を与える。
【００２７】
以上に述べたウインカ５８の作用を次に説明する。
図６（ａ），（ｂ）は本発明に係るウインカの作用を示す作用図であり、（ａ）は光の反射を示す作用図、（ｂ）は光の他の反射を示す作用図である。
（ａ）において、光源９３が発した光は、例えば、段部１０３の帯状反射面１２３に直接届き、この帯状反射面１２３で反射して前方へ進み、レンズ８２を通過する。他の帯状反射面１２１，１２２及び帯状反射面１２４〜１２９でも同様に反射する。このように、階段状非有効反射部９５の最も上端の帯状反射面１２９でも反射させて、縦長のウインカ５８の全体を発光させることができる。
【００２８】
（ｂ）において、光源９３が発した光は、例えば、レンズ８２の内面８２Ａで反射し、この反射した光は、段部１０２の水平反射面１１２で反射し、更に、段部１０２の帯状反射面１２２で反射して前方へ進み、レンズ８２を通過する。他の段部１０１，１０３〜１０９でも同様である。
【００２９】
上記の（ａ）では、帯状反射面１２１〜１２９のぞれぞれの一部で光を反射させるが、（ｂ）では、光源９３から発する光の角度、例えば、水平線１３５からの角度θが異なれば、光は、レンズ８２、段部１０２の水平反射面１１２へ異なった入射角で入射するため、帯状反射面１２２の全体であらゆる方向に光を反射させる。（他の段部１０１，１０３〜１０９でも同様である。）
【００３０】
従って、（ａ）と（ｂ）との両方で光が反射した反射面は明るく発光して見え、（ａ）で反射しなかった部分は暗く見える。これに、階段状非有効反射部９５の乱反射が加わり、外部からウインカ５８を見る角度によって明るく発光して見える部分が変化し、きらきらと輝くイルミネーション的な効果を発揮する。
【００３１】
以上の図５及び図６で説明したように、本発明は、バルブ６４を設けたリフレクタ９１を支持するケース８１と、このケース８１の前面に取付けられたレンズ８２を有する車両用信号灯としての自動二輪車１０（図１参照）のウインカ５８，６１（ウインカ６１については図２参照。）において、リフレクタ９１を、放物面を基本とした有効反射部９４と、この有効反射部９４と一体的に形成するとともにほぼ階段状とし且つ放物面を基本としない階段状非有効反射部９５とから構成し、この階段状非有効反射部９５よりも前方にバルブ６４を配置することで、バルブ６４から発した光を、階段状非有効反射部９５に直接届くようにして反射させるとともに、バルブ６４から発した光を、レンズ８２の内面８２Ａ及び階段状非有効反射部９５で順に反射させるようにしたことを特徴とする。
【００３２】
ウインカ５８，６１のように、デザイン上、縦長にすると、リフレクタ９１の上部では、有効反射部９４に連続させた放物面を形成しにくく、従来の技術では、リフレクタ９１の上部を非反射面としておくしかなかったが、本発明では、リフレクタ９１の上部を階段状に成形することで、複数に分割するとともに放物面を基本としない非有効反射面（即ち、水平反射面１１１〜１１９及び帯状反射面１２１〜１２９である。）を有する階段状非有効反射部９５を形成した。
【００３３】
バルブ６４から発した光をリフレクタ９１の有効反射部９４に加えて階段状非有効反射部９５でも反射させることができ、ウインカ５８，６１の全体を発光させることができる。従って、ウインカ５８，６１の点灯時と非点灯時とに与える印象に大きな差が生じにくく、ウインカ５８，６１の商品性を高めることができる。
【００３４】
また、階段状非有効反射部９５が光を各方向に反射するため、ウインカ５８，６１の一部をイルミネーション状に発光させることができ、新規な印象を与えることができて、商品性をより一層高めることができる。
【００３５】
尚、本発明のリフレクタ形状は、リヤ用のウインカ、ストップランプ等の信号灯に採用してもよい。また、信号灯に限らず、ヘッドランプ等の照明灯に採用してもよい。更に、縦長の信号灯、照明灯に限らず、横長のものにも採用してよい。
【００３６】
また更に、本発明の実施の形態では、図５に示したように、水平とした水平反射部１１１〜１１９を設けたが、これらの水平反射面１１１〜１１９に代えて、水平でなく傾斜させた反射面を設けてもよい。
【００３７】
【発明の効果】
本発明は上記構成により次の効果を発揮する。
請求項１の車両用信号灯は、リフレクタを、放物面を基本とした有効反射部と、この有効反射部と一体的に形成するとともにほぼ階段状とし且つ放物面を基本としない階段状非有効反射部とから構成し、この階段状非有効反射部よりも前方にバルブを配置することで、バルブから発した光を、階段状非有効反射部に直接届くようにして反射させるとともに、バルブから発した光を、レンズの内面及び階段状非有効反射部で順に反射させるようにしたので、バルブから発した光をリフレクタの有効反射部に加えて階段状非有効反射部でも反射させることができ、信号灯の全体を発光させることができる。従って、信号灯の点灯時と非点灯時とに与える印象に大きな差が生じにくく、信号灯の商品性を高めることができる。
【００３８】
また、階段状非有効反射部が光を各方向に反射するため、信号灯の一部をイルミネーション状に発光させることができ、新規な印象を与えることができて、商品性をより一層高めることができる。
【図面の簡単な説明】
【図１】本発明に係る自動二輪車の側面図
【図２】本発明に係る自動二輪車の正面図
【図３】本発明に係る自動二輪車の平面図
【図４】本発明に係るウインカの説明図
【図５】図４（ａ）の５−５線断面図
【図６】本発明に係るウインカの作用を示す作用図
【図７】従来の信号灯の正面図
【図８】図７の８−８線断面図
【符号の説明】
１０…車両（自動二輪車）、５８，６１…信号灯（ウインカ）、６４…バルブ、８１…ケース、８２…レンズ、８２Ａ…内面、９１…リフレクタ、９４…有効反射部、９５…階段状非有効反射部。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a vehicular signal light in which it is difficult to make a large difference in the appearance impression given between when it is lit and when it is not lit, thereby improving its commercial value.
[0002]
[Prior art]
As a vehicle lamp such as a signal lamp and an illumination lamp, for example, a lamp described in Japanese Patent Application Laid-Open No. 2000-322923 “Vehicle headlight device” is known.
FIGS. 1 and 5 of the above publication will be described with reference to FIGS. 7 and 8 below. The reference numerals have been re-assigned.
[0003]
FIG. 7 is a front view of a conventional signal light, and FIG. 8 is a sectional view taken along line 8-8 of FIG. 7. As shown in FIG. 7, a lens 202 (see FIG. A headlight 206 is described in which a reflector 203 is disposed at a central portion, and triangular inner surface regions 205 and 205 are provided in a case 201 close to left and right ends of the reflector 203.
[0004]
The inner surface area 205 forms a step 208 similar to the step 207 formed on the left and right sides of the reflector 203, so that the continuous streaky pattern exhibited by the step 207 and the step 208 makes the appearance of the unity of the appearance more apparent. By making the gap G between the inner surface area 205 and the end of the reflector 203 substantially equal to the distance between the steps 208 of the inner surface area 205, the continuity of the appearance is enhanced.
FIG. 8 shows that a plurality of steps are provided in the inner surface area 205 of the case 201.
[0005]
[Problems to be solved by the invention]
When the headlight 206 is not turned on, the reflector 203 and the inner areas 205 and 205 are continuously seen to give an impression of a horizontally long headlight 206. When the headlight 206 is turned on, the inner areas 205 and 205 are turned on. Since no light is emitted, it appears that the width of the headlight 206 has changed slightly. For this reason, there is a great difference in impression given between lighting and non-lighting.
[0006]
Accordingly, an object of the present invention is to improve the signal light for a vehicle so that a large difference is not generated in the appearance impression given between lighting and non-lighting, thereby improving the commercial value.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, a first aspect of the present invention is a vehicle signal light having a case supporting a reflector provided with a bulb and a lens mounted on a front surface of the case, wherein the reflector has an effective parabolic surface. A reflective portion, and a step-shaped non-effective reflective portion which is formed integrally with the effective reflective portion and has a substantially stepped shape and is not based on a parabolic surface; and a valve is provided forward of the step-shaped non-effective reflective portion. By disposing, the light emitted from the bulb is reflected so as to directly reach the stepwise ineffective reflection part, and the light emitted from the bulb is reflected in order on the inner surface of the lens and the stepwise ineffective reflection part. It is characterized by doing so.
[0008]
The light emitted from the bulb can be reflected not only at the effective reflection portion of the reflector but also at the stepwise non-effective reflection portion, and the entire signal lamp can emit light. Therefore, it is difficult for a large difference in impression given when the signal light is turned on and when it is not turned on, and the commerciality of the signal light can be improved.
[0009]
In addition, since the stair-shaped ineffective reflection part reflects light in each direction, a part of the signal light can be illuminated in an illumination manner, giving a new impression, and further improving the merchantability. it can.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of reference numerals.
FIG. 1 is a side view of a motorcycle according to the present invention. A motorcycle 10 as a vehicle includes a body frame 12 having a head pipe 11 attached to a front end, a handle shaft 13 rotatably attached to the head pipe 11, A front fork 14 attached to a lower portion of the handle shaft 13; a front wheel 16 attached to a lower end of the front fork 14; a handle 17 attached to an upper portion of the handle shaft 13 for steering the front wheel 16; , A front cover 18 covering the front portions of the head pipe 11 and the front fork 14, a front inner cover 21 attached to a rear portion of the front cover 18, and a luggage box 22 attached to a rear upper portion of the body frame 12 described above. A tandem seat 23 which is openably and closably disposed above the luggage box 22; A power unit 24 attached to the rear lower portion of the over arm 12 and a wheel 26. After mounting the rear portion of the power unit 24.
[0011]
Here, 23A and 23B are a driver's seat and a passenger's seat of the tandem seat 23, 31 is a front fender that covers above the front wheel 16, 32 is a handle cover that covers the front of the handle 17, and 33 is a handle cover that is attached to the handle cover 32. Windscreen, 34 is a handle inner cover attached to the rear part of the handle cover 32, 36 is a rearview mirror, 37 and 37 (only the reference numeral 37 on the near side is shown), floor steps, and 38 and 38 (only the reference numeral 38 on the near side is shown. ) Is a step support frame for supporting the floor steps 37, 37, 41 and 42 are engines and power transmission mechanisms constituting the power unit 24, 43 is a stand, and 44 is a bridge between the rear end of the power unit 24 and the rear end of the body frame 12. Rear cushion unit, 46 is the body cover, 47 is the upper part of the rear wheel 26 Cormorant is a rear fender.
[0012]
Also, reference numerals 48, 48 (only the reference numeral 48 on the front side are shown) are rear turn signals, 51 is a seat hinge for attaching the tandem seat 23 to the vehicle body side so that it can be opened and closed, and 52 is a tandem seat when the tandem seat 23 is closed. A seat catcher 53 engages with the vehicle body, and 53 is a seat hook attached to the bottom plate of the tandem seat 23 to engage with the seat catcher 52 attached to the vehicle body.
[0013]
The motorcycle 10 has a structure in which a turn signal as a front signal light described later is vertically long, and the entire turn signal is illuminated, and the upper half of the turn signal is illuminated brilliantly in an illumination manner. State.
[0014]
FIG. 2 is a front view of the motorcycle according to the present invention, in which a head lamp 56 having a substantially triangular shape in front view is attached to the center of the front part of the vehicle body, and V-shaped front subs are formed on both sides and below the head lamp 56. It shows that the turn signals 58 and 61 as signal lights are arranged on the left and right sides of the front sub-cover 57. In addition, 63 is a meter visor, 64 and 64 are valves for turn signals 58 and 61, and 65 is an opening of the front cover 18.
[0015]
The turn signals 58 and 61 are vertically long and substantially triangular, and emit light not only at the lower part but also at the upper part where the bulbs 64 and 64 are arranged, thereby enhancing the commercial value and exhibiting an illumination effect.
[0016]
FIG. 3 is a plan view of the motorcycle according to the present invention, in which a rear frame 12A is constituted by a pair of left and right left frames 67 and a right frame 68, a seat catcher 52 is mounted on the left frame 67, and a seat hinge 51 is mounted on the right frame 68. Indicates that was installed. Reference numeral 71 denotes a cross pipe extending to the rear end of each of the left frame 67 and the right frame 68, and reference numerals 72, 72 denote foldable passengers mounted on the step support frame 38 (see FIG. 1) so that the passenger can put their feet thereon. Step (in the figure, in a folded state).
[0017]
The turn signals 58, 61 are arranged so that their inner portions 58A, 61A are continuous with the left and right side portions 31A, 31B of the front fender 31 in plan view, so as to obtain a sense of unity of the design.
[0018]
4A and 4B are explanatory diagrams of a turn signal according to the present invention, wherein FIG. 4A is a front view showing a state where a lens is attached, and FIG. 4B is a front view showing a state where a lens is removed. . In (a), the turn signal 58 is a signal light in which a lens 82 is attached to the front surface of a case 81, and the lens cut of the lens 82 is provided substantially parallel to the inner portion 58A. Note that 84 to 87 are cover-side mounting portions for mounting the turn signals 58 to the front cover 18 (see FIG. 2). Since the turn signal 61 (see FIG. 2) is symmetrical to the turn signal 58 and has the same basic structure, a detailed description thereof will be omitted.
[0019]
In (b), the turn signal 58 includes a reflector 91 having a multi-reflector (multi-reflection surface) structure and integrally formed with a case 81, and a valve 64 attached to an inner portion 58A. Reference numeral 81A is a valve mounting portion provided on the case 81.
[0020]
FIG. 5 is a sectional view taken along line 5-5 of FIG. 4A. The reflector 91 has an effective reflecting portion 94 whose basic shape forms a paraboloid whose focal point is the light source 93 of the bulb 64, and the effective reflecting portion 94. It shows that it is constituted by a stair-like non-effective reflection part 95 integrated with the effective reflection part 94 further upward. In addition, H1 is the height of the effective reflection part 94, and H2 is the height of the step-shaped ineffective reflection part 95.
The step-like ineffective reflection part 95 is a part that does not directly contribute to the signal light distribution performance.
[0021]
The effective reflecting portion 94 includes a reflecting surface 97 that is a convex circular arc surface (... denotes a plurality, the same applies hereinafter), and the step-shaped ineffective reflecting portion 95 is provided on the reflector 91 above the bulb 64. And comprises steps 101-109.
[0022]
Each of the steps 101 to 109 has a horizontal reflecting surface 111 to 119 which is horizontal, and a non-parabolic band-like reflecting surface 121 to 129 which rises from the rear end of the horizontal reflecting surface 111 to 119.
[0023]
That is, the step portion 101 is composed of a horizontal reflection surface 111 and a band-shaped reflection surface 121, the step portion 102 is composed of a horizontal reflection surface 112 and a band-shaped reflection surface 122, and the step portion 103 is composed of a horizontal reflection surface 113 and a band-shaped reflection surface 123. The step portion 104 is composed of a horizontal reflection surface 114 and a band-shaped reflection surface 124, the step portion 105 is composed of a horizontal reflection surface 115 and a band-shaped reflection surface 125, and the step portion 106 is composed of a horizontal reflection surface 116 and a band-shaped reflection surface 126. Reference numeral 107 denotes a horizontal reflection surface 117 and a belt-like reflection surface 127; step 108 comprises a horizontal reflection surface 118 and a belt-like reflection surface 128; and step 109 comprises a horizontal reflection surface 119 and a belt-like reflection surface 129.
[0024]
The step-shaped non-effective reflecting portion 95 is a portion disposed behind the bulb 64 and arranged with the strip-shaped reflecting surfaces 121 to 129 of the steps 101 to 109 so that light emitted from the bulb 64 reaches directly.
That is, when a straight line 133 passing through the front end 132 of the horizontal reflecting surface 111 of the step portion 101 is drawn from the light source 93 of the bulb 64, at least a part of any of the belt-like reflecting surfaces 121 to 129 is at least partially drawn from the straight line 133. Was also located above.
[0025]
The band-like reflecting surfaces 121 to 129 are formed so that the longitudinal direction is horizontal in the same manner as the longitudinal direction of each reflecting surface 97 of the effective reflecting portion 94 in FIG. At the time of lighting, it is possible to reduce the difference in appearance between the effective reflection portion 94 and the step-shaped non-effective reflection portion 95 through the lens 82, thereby eliminating a sense of discomfort.
[0026]
Further, by making the upper and lower widths of each of the belt-shaped reflecting surfaces 121 to 129 and the reflecting surfaces 97... Substantially the same when viewed from the front, a plurality of horizontal and parallel light The dark part seen as streaks gives a natural impression.
[0027]
The operation of the turn signal 58 described above will now be described.
6 (a) and 6 (b) are operation diagrams showing the operation of the turn signal according to the present invention, where (a) is an operation diagram showing reflection of light, and (b) is an operation diagram showing another reflection of light. is there.
In (a), for example, the light emitted by the light source 93 directly reaches the band-shaped reflection surface 123 of the step portion 103, is reflected by the band-shaped reflection surface 123, travels forward, and passes through the lens 82. The other belt-like reflecting surfaces 121 and 122 and the belt-like reflecting surfaces 124 to 129 are similarly reflected. In this manner, the entire vertically long turn signal 58 can be made to emit light by being reflected by the band-shaped reflection surface 129 at the uppermost end of the step-shaped ineffective reflection portion 95.
[0028]
In (b), the light emitted from the light source 93 is reflected by, for example, the inner surface 82A of the lens 82, and the reflected light is reflected by the horizontal reflection surface 112 of the step 102, and further, the band-like reflection of the step 102. The light is reflected by the surface 122 and travels forward and passes through the lens 82. The same applies to the other steps 101, 103 to 109.
[0029]
In the above (a), light is reflected by a part of each of the belt-shaped reflecting surfaces 121 to 129. In (b), the angle of light emitted from the light source 93, for example, the angle θ from the horizontal line 135 is changed. If the light is different, the light is incident on the lens 82 and the horizontal reflection surface 112 of the step portion 102 at different incident angles, so that the light is reflected in all directions by the entire belt-like reflection surface 122. (The same applies to the other steps 101 and 103 to 109.)
[0030]
Therefore, the reflection surface on which light is reflected in both (a) and (b) appears brightly lit, and the portion not reflected in (a) appears dark. In addition to this, irregular reflection of the step-like ineffective reflection portion 95 is added, and a brightly illuminated portion changes depending on the angle at which the blinker 58 is viewed from the outside, and a glittering illumination effect is exhibited.
[0031]
As described above with reference to FIGS. 5 and 6, the present invention provides an automatic signal light for a vehicle having a case 81 supporting a reflector 91 provided with a valve 64 and a lens 82 mounted on the front surface of the case 81. In the turn signals 58 and 61 (see FIG. 2 for the turn signals 61) of the motorcycle 10 (see FIG. 1), a reflector 91 is formed by integrating an effective reflection portion 94 based on a paraboloid and the effective reflection portion 94 integrally. And a step-shaped ineffective reflector 95 that is formed in a substantially step-like shape and is not based on a parabolic surface. The emitted light is reflected so as to directly reach the stepwise ineffective reflection portion 95, and the light emitted from the bulb 64 is reflected by the inner surface 82 </ b> A of the lens 82 and the stepwise ineffective reflection portion 95. Characterized in that so as to sequentially reflected.
[0032]
If the design is made vertically long like the blinkers 58 and 61, it is difficult to form a paraboloid continuous with the effective reflection portion 94 at the upper portion of the reflector 91, and in the related art, the upper portion of the reflector 91 is formed as a non-reflection surface. However, in the present invention, by forming the upper portion of the reflector 91 in a step-like shape, the reflector 91 is divided into a plurality of portions and an ineffective reflection surface that is not based on a parabolic surface (that is, the horizontal reflection surfaces 111 to 119 and The step-like ineffective reflection portion 95 having the belt-like reflection surfaces 121 to 129 was formed.
[0033]
The light emitted from the bulb 64 can be reflected not only by the effective reflection portion 94 of the reflector 91 but also by the stepwise non-effective reflection portion 95, so that the entire turn signals 58 and 61 can emit light. Therefore, it is difficult for a large difference in impression given when the turn signals 58 and 61 are turned on and when the turn signals are not turned on, and the commercial value of the turn signals 58 and 61 can be enhanced.
[0034]
In addition, since the step-like ineffective reflection portion 95 reflects light in each direction, a part of the turn signals 58 and 61 can be illuminated in the form of illumination, and a new impression can be given, thereby improving the merchantability. Can be further enhanced.
[0035]
In addition, the reflector shape of the present invention may be adopted for a signal lamp such as a rear turn signal, a stop lamp, or the like. Further, the present invention is not limited to signal lights, and may be employed for illumination lights such as headlamps. Further, the present invention is not limited to vertically long signal lights and illumination lights, and may be used for horizontally long signal lights and illumination lights.
[0036]
Furthermore, in the embodiment of the present invention, as shown in FIG. 5, the horizontal reflecting portions 111 to 119 are provided horizontally, but instead of these horizontal reflecting surfaces 111 to 119, they are not horizontal but inclined. Reflective surface may be provided.
[0037]
【The invention's effect】
The present invention has the following effects by the above configuration.
According to the first aspect of the present invention, the reflector has an effective reflecting portion based on a parabolic surface, and a reflector formed integrally with the effective reflecting portion and having a substantially stepped shape and a stepped non-parabolic surface. It is composed of an effective reflection portion and a valve is arranged in front of the step-shaped non-effective reflection portion, so that light emitted from the valve is reflected so as to directly reach the step-shaped non-effective reflection portion, and the bulb is reflected. The light emitted from the bulb is reflected by the inner surface of the lens and the stepwise ineffective reflection part in order, so that the light emitted from the bulb can be reflected by the stepwise ineffective reflection part in addition to the effective reflection part of the reflector. As a result, the entire signal lamp can emit light. Therefore, it is difficult for a large difference in impression given when the signal light is turned on and when it is not turned on, and the commerciality of the signal light can be improved.
[0038]
In addition, since the stair-shaped ineffective reflection part reflects light in each direction, a part of the signal light can be illuminated in an illumination manner, giving a new impression, and further improving the merchantability. it can.
[Brief description of the drawings]
FIG. 1 is a side view of a motorcycle according to the present invention. FIG. 2 is a front view of a motorcycle according to the present invention. FIG. 3 is a plan view of a motorcycle according to the present invention. FIG. FIG. 5 is a sectional view taken along line 5-5 in FIG. 4 (a). FIG. 6 is an operation diagram showing the operation of the turn signal according to the present invention. FIG. 7 is a front view of a conventional signal light. FIG. -8 section view [Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 ... Vehicle (motorcycle), 58, 61 ... Signal lamp (turn signal), 64 ... Bulb, 81 ... Case, 82 ... Lens, 82A ... Inner surface, 91 ... Reflector, 94 ... Effective reflection part, 95 ... Stepwise ineffective reflection Department.

Claims (1)

バルブを設けたリフレクタを支持するケースと、このケースの前面に取付けられたレンズを有する車両用信号灯において、
前記リフレクタは、放物面を基本とした有効反射部と、この有効反射部と一体的に形成するとともにほぼ階段状とし且つ放物面を基本としない階段状非有効反射部とからなり、この階段状非有効反射部よりも前方に前記バルブを配置することで、前記バルブから発した光を、前記階段状非有効反射部に直接届くようにして反射させるとともに、前記バルブから発した光を、前記レンズの内面及び前記階段状非有効反射部で順に反射させるようにしたことを特徴とする車両用信号灯。In a case for supporting a reflector provided with a bulb and a vehicular signal light having a lens attached to the front of the case,
The reflector comprises an effective reflecting portion based on a parabolic surface, and a step-shaped non-effective reflecting portion formed integrally with the effective reflecting portion and having a substantially stepped shape and not based on a parabolic surface. By arranging the valve in front of the stepwise ineffective reflection portion, the light emitted from the valve is reflected so as to directly reach the stepwise ineffective reflection portion, and the light emitted from the bulb is reflected. A signal light for a vehicle, which is sequentially reflected by an inner surface of the lens and the stair-like ineffective reflection portion.
JP2002201786A 2002-07-10 2002-07-10 Vehicle signal lights Expired - Fee Related JP3996001B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2002201786A JP3996001B2 (en) 2002-07-10 2002-07-10 Vehicle signal lights
TW092117007A TWI240787B (en) 2002-07-10 2003-06-23 Vehicular signal lamp
MYPI20032509A MY130627A (en) 2002-07-10 2003-07-03 Vehicle signal light
IT000514A ITTO20030514A1 (en) 2002-07-10 2003-07-03 VEHICLE SIGNALING LIGHT
CNB031462464A CN1285854C (en) 2002-07-10 2003-07-04 Automotive signal lamp
ES200301572A ES2246647B1 (en) 2002-07-10 2003-07-04 LIGHT VEHICLE SIGNAL.
KR1020030045286A KR100541008B1 (en) 2002-07-10 2003-07-04 Signal lamp for motorcycle

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CN100412646C (en) * 2004-05-08 2008-08-20 凛宜股份有限公司 Light source device
KR101195731B1 (en) * 2009-01-16 2012-10-29 혼다 기켄 고교 가부시키가이샤 Position light and lighting apparatus for motorcycle
JP2018073459A (en) * 2016-10-24 2018-05-10 スタンレー電気株式会社 Vehicular lighting fixture
JP2019186148A (en) * 2018-04-16 2019-10-24 本田技研工業株式会社 Lighting device for saddle-riding type vehicle

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JP4425764B2 (en) * 2004-11-05 2010-03-03 本田技研工業株式会社 Motorcycle headlamp structure
CN101097052B (en) * 2006-06-27 2010-09-15 财团法人工业技术研究院 Illuminating apparatus and composite structure thereof
CZ306862B6 (en) 2011-06-23 2017-08-16 Varroc Lighting Systems, s.r.o. A headlight signal lamp with a hidden light source
CN103204199B (en) * 2013-04-28 2016-01-20 宁波市龙嘉摩托车有限公司 A kind of LED motorcycle taillight
DE102015216746A1 (en) * 2015-09-02 2017-03-02 Volkswagen Aktiengesellschaft Vehicle lamp and method for providing a light function by means of a vehicle lamp

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DE3239754A1 (en) * 1982-10-27 1984-05-03 Robert Bosch Gmbh, 7000 Stuttgart Signalling lamp, in particular front flashing lamp, for motor vehicles
DE19727982A1 (en) * 1997-07-01 1999-01-07 Hella Kg Hueck & Co Light for vehicles
DE10019559A1 (en) * 2000-04-20 2001-10-25 Hella Kg Hueck & Co Vehicle light

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100412646C (en) * 2004-05-08 2008-08-20 凛宜股份有限公司 Light source device
KR101195731B1 (en) * 2009-01-16 2012-10-29 혼다 기켄 고교 가부시키가이샤 Position light and lighting apparatus for motorcycle
JP2018073459A (en) * 2016-10-24 2018-05-10 スタンレー電気株式会社 Vehicular lighting fixture
JP2019186148A (en) * 2018-04-16 2019-10-24 本田技研工業株式会社 Lighting device for saddle-riding type vehicle

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CN1480679A (en) 2004-03-10
ITTO20030514A1 (en) 2004-01-11
TW200401091A (en) 2004-01-16
TWI240787B (en) 2005-10-01
KR20040005614A (en) 2004-01-16
CN1285854C (en) 2006-11-22
ES2246647A1 (en) 2006-02-16
ES2246647B1 (en) 2008-07-01
MY130627A (en) 2007-07-31
JP3996001B2 (en) 2007-10-24
KR100541008B1 (en) 2006-01-10

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