JP2011238398A - Bulb and lighting device - Google Patents

Bulb and lighting device Download PDF

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Publication number
JP2011238398A
JP2011238398A JP2010107326A JP2010107326A JP2011238398A JP 2011238398 A JP2011238398 A JP 2011238398A JP 2010107326 A JP2010107326 A JP 2010107326A JP 2010107326 A JP2010107326 A JP 2010107326A JP 2011238398 A JP2011238398 A JP 2011238398A
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Prior art keywords
tube
adapter
base
outer tube
receiving
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JP2010107326A
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Inventor
Akihiro Tsuchiya
彰広 土屋
Nobuyuki Konno
伸幸 今野
Yoshiko Takahashi
喜子 高橋
Tetsuya Sugano
哲也 菅野
Katsuya Otani
勝也 大谷
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Osram Melco Toshiba Lighting Ltd
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Osram Melco Toshiba Lighting Ltd
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Priority to JP2010107326A priority Critical patent/JP2011238398A/en
Priority to CN2011101167291A priority patent/CN102306607A/en
Publication of JP2011238398A publication Critical patent/JP2011238398A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

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  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a bulb which has a simple structure, is easily assembled, and has achieved improved safety, such as a high-voltage discharge lamp, capable of supporting an inner pipe and an outer pipe by a metal plate adapter having a drop prevention function, and to provide a lighting device using the bulb.SOLUTION: A bulb L1 comprises an inner tube 3, which houses a light emitting source 1 inside and on the end of which a sealing part 31 is formed; a bottomed cylindrical outer pipe 4 surrounding the inner pipe 3 and provided with a projected or indented locking part 45 on an inner face near an opening 41; an adapter 5 having a reception part 53 receiving the sealing part 31 of the inner pipe 3 and a plurality of arm parts 55 folded and extending outward from the reception part 53 and provided with elasticity, and provided with an indented or projecting locking part 56 engaged with the locking part 45 on the inner face of the outer pipe 4 in the arm parts 55; and a cap 6 having a mounting groove 62 receiving the reception part 53 of the adapter 5 on one end, a base part 61, on which an annular groove 63 receiving the opening 41 side of the outer pipe 4 is formed, and a power reception part 65 on the other end. The bulb L1 is used for a lighting device.

Description

本発明は、内部に発光源を封装するとともに端部に封止部を形成した内管となる気密容器をさらに外管で囲繞した多重管形のメタルハライドランプなどの高圧放電ランプやハロゲン電球などの管球およびこの管球を装着した照明装置に関する。   The present invention relates to a high pressure discharge lamp such as a multi-tube type metal halide lamp in which an airtight container which is an inner tube having a light emitting source sealed inside and a sealing portion formed at an end is further surrounded by an outer tube, a halogen bulb, etc. The present invention relates to a tube and a lighting device equipped with the tube.

高圧放電ランプは、高効率、高演色性の光源として、店舗、工場、ホールやスポーツ施設などの照明用として広く用いられている。この高圧放電ランプ、たとえばメタルハライドランプは高効率化をはかるに伴う発光管の保温のためおよび破損時の対応として、透光性のガラスからなる最外管が非密封の二重管や三重管化された内部に収容され、これら発光管や外管などが口金に固定支持されるとともに電気的な接続がなされている。   High-pressure discharge lamps are widely used as lighting sources for stores, factories, halls, sports facilities and the like as light sources with high efficiency and high color rendering. This high-pressure discharge lamp, for example, a metal halide lamp, is used to keep the arc tube warm with higher efficiency and to cope with breakage. The arc tube, the outer tube, etc. are fixedly supported on the base and are electrically connected.

この種メタルハライドランプを特許文献１や２を参照してさらに詳述すると、内部に発光管を封装し端部に圧潰封止（シール）部を形成した石英ガラス製の内管が、有底筒状をなすガラス製外管内に収容され構成している。   This kind of metal halide lamp will be described in more detail with reference to Patent Documents 1 and 2, and an inner tube made of quartz glass, in which an arc tube is sealed and a crushing seal (seal) is formed at an end, is a bottomed tube. It is housed in a glass outer tube having a shape.

また、口金には内管および外管を受け入れる受容部内に環状溝が形成されているとともに環状溝によって中央部に残った円柱状部分にはその直径方向に直線状溝が形成され、かつ、環状溝と直線状溝とは連通していて、内管は、その封止部側が直線状溝内に、また、外管は、開口部側が環状溝内に配置され、耐熱性の無機接着剤を介し接合することで内管および外管が口金に固定される構造をなしている。   In addition, an annular groove is formed in the receiving portion for receiving the inner tube and the outer tube in the base, and a linear groove is formed in the diameter direction in the cylindrical portion remaining in the central portion by the annular groove. The groove and the linear groove communicate with each other, and the inner tube is disposed in the linear groove on the sealing portion side, and the outer tube is disposed in the annular groove on the opening portion side. The inner tube and the outer tube are fixed to the base by joining together.

また、発光源をタングステン（Ｗ）線でコイル状に巻回したフィラメントを用いる電球、特にハロゲン電球などは効率向上のため内部に封入する不活性ガスの圧力が高いことから、容器（バルブ）に傷などがあると点灯時に破壊することがあり容器を二重管構造としたものがあり、この電球においても口金に外管を接着剤を介し固定している。
特許第４１３０８２９号公報 特開２０１０−０５６０３１号公報 In addition, light bulbs using filaments in which the light source is wound in a coil shape with tungsten (W) wire, particularly halogen light bulbs, have a high pressure of the inert gas sealed inside to improve efficiency. If there is a scratch or the like, there is a case where the container is broken with a double tube structure, and even in this bulb, the outer tube is fixed to the base with an adhesive.
Japanese Patent No. 4130829 JP 2010-056031 A

上記メタルハライドランプやハロゲン電球は、多重管構造とすることにより発光管の保温がはかれるとともに、発光管や内管に異常が生じ万一、破損しても外管によりガラス片などの飛散を防ぎ人や商品などを守ることができ、また、照明装置（器具）などにおいて多重管構造とすることにより装置（器具）側の開口部に設けられる保護カバー部材を不要とすることができる。   The above metal halide lamps and halogen bulbs have a multi-tube structure to keep the arc tube warm, and in the unlikely event that the arc tube or inner tube malfunctions, the outer tube prevents scattering of glass pieces etc. In addition, a protective cover member provided at the opening on the apparatus (apparatus) side can be eliminated by adopting a multi-tube structure in the lighting apparatus (appliance) or the like.

しかし、上記ランプは点灯経過に伴う受熱や紫外線によって耐熱性の無機接着剤とはいえ接合力が徐々に劣化することや製造時の接着剤付着の不均一などに起因する接合強度の低下により、使用中にガラス製の外管が不所望に落下する虞がありその対策が要望されていた。   However, due to the decrease in bonding strength due to the gradual deterioration of the bonding force even though the lamp is heat-resistant inorganic adhesive due to heat reception and ultraviolet rays with the progress of lighting, and uneven adhesion of the adhesive during production, There is a possibility that the glass outer tube may drop undesirably during use, and a countermeasure has been demanded.

本発明は、上記課題に鑑みなされたもので、落下防止機能を有する金属板製のアダプタにより内管および外管を支持するようにした、構造簡単で組立作業も容易であるとともに安全性の向上がはかれた高圧放電ランプなどの管球およびこの管球を用いた照明装置を提供することを目的とする。   The present invention has been made in view of the above problems, and has a simple structure in which an inner tube and an outer tube are supported by an adapter made of a metal plate having a fall prevention function, which facilitates assembly work and improves safety. An object of the present invention is to provide a tube bulb such as a high-pressure discharge lamp with a lamp and a lighting device using the tube bulb.

本発明の請求項１に記載の管球は、内部に発光源を収容し端部に封止部が形成された透光性の気密容器からなる内管と、この内管を囲繞するとともに開口部近傍の内面側に凸状または凹状の係止部が設けられた有底筒状の外管と、上記内管の封止部を受入れる受容部、この受容部から外方向に折り曲げられ延在して弾性が付与された複数の腕部を有し、この腕部に上記外管内面の係止部と係合する凹状または凸状の係止部が設けられたアダプタと、一端側に上記アダプタの受容部を受入れる装着溝と外管の開口部側を受入れる環状の装着溝が形成された基体部および他端側に受電部を有する口金とを具備していることを特徴とする。   According to a first aspect of the present invention, there is provided a tube having an inner tube made of a light-transmitting hermetic container in which a light emitting source is housed and a sealing portion is formed at an end, and the inner tube is surrounded and opened. A bottomed cylindrical outer tube provided with a convex or concave engaging portion on the inner surface side in the vicinity of the portion, a receiving portion for receiving the sealing portion of the inner tube, and bent and extended outward from the receiving portion And an adapter having a plurality of arm portions to which elasticity is imparted, the arm portion being provided with a concave or convex engaging portion that engages with the engaging portion of the inner surface of the outer tube, and the adapter on one end side. It is characterized by comprising a base part in which a mounting groove for receiving the receiving part of the adapter and an annular mounting groove for receiving the opening part side of the outer tube are formed, and a base having a power receiving part on the other end side.

本発明の管球は、多重管の構成を発光源を封装した内管の封止部が装着される受容部に連接してばね性を有する腕部が設けられ、この腕部の先端部近傍に凹状または凸状の係止部を形成したアダプタが用いられ、この係止部と外管に設けられた係止部との凹凸による係合で、外管は、常時、弾性を有する腕部を介し係止部により押圧されている機械的に一体化した固定で外管を支持している。   The tube of the present invention is provided with an arm portion having a spring property connected to a receiving portion to which a sealing portion of an inner tube in which a light emitting source is sealed is provided, and the vicinity of the tip portion of the arm portion An adapter in which a concave or convex locking portion is formed is used, and the outer tube is always an elastic arm portion by engaging the locking portion with the locking portion provided on the outer tube. The outer tube is supported by a mechanically integrated fixing that is pressed by the latching portion.

この凹凸による係止部は、外管軸を中心として対向する箇所や等間隔（等角度）で２か所以上に配設されていればよい。   It is only necessary that the engaging portions by the irregularities be disposed at two or more places at opposite positions or equidistant (equal angle) around the outer tube axis.

なお、本発明は、上記アダプタの受容部内での内管の封止部の固定や口金基体部内での受容部の固定のため補助的に接着剤を併用することは差し支えない。   In the present invention, an adhesive may be supplementarily used for fixing the sealing portion of the inner tube in the receiving portion of the adapter and fixing the receiving portion in the base portion of the base.

さらに、本発明でいう管球とは、メタルハライドランプ、高圧ナトリウムランプや水銀ランプなどの高圧放電ランプおよびハロゲン電球などの電球を指す。   Furthermore, the tube in the present invention refers to a light bulb such as a metal halide lamp, a high-pressure discharge lamp such as a high-pressure sodium lamp or a mercury lamp, and a halogen bulb.

なお、本発明および以下の発明において、特に指定しない限り用語の定義および技術的意味は次による。   In the present invention and the following inventions, terms and technical meanings are as follows unless otherwise specified.

〔発光源について〕
発光源とは、内部に放電電極および水銀Ｈｇなどの発光金属、アルゴン（Ａｒ）などの希ガスからなる放電媒体を封装した放電ランプ用のセラミックス製やガラス製の発光管あるいは発光用のタングステン（Ｗ）線を巻回したコイル状のフィラメントを指し、内管はこれら発光管やコイル状のフィラメントを封装したガラス製の気密容器からなる放電ランプや電球である。 [About the light source]
The light emission source is a ceramic or glass arc tube for discharge lamp or tungsten for light emission (in which a discharge medium made of a discharge electrode and a rare gas such as argon (Ar) is enclosed. W) This refers to a coiled filament wound with a wire, and the inner tube is a discharge lamp or light bulb made of a gas-tight container made of glass in which these arc tube and coiled filament are sealed.

〔内管について〕
内管のガラス材質は、石英ガラス、ホウケイ酸ガラスやアルミノシリケートガラスなどの酸化ケイ素（ＳｉＯ２）を主成分とした硬質ガラスあるいはソーダライムガラスなどの軟質ガラスを用いることができるが、硬質ガラスで形成することにより耐熱性、耐圧性や耐衝撃性が向上するので好ましい。内管の形状は、直管形や中央部が膨出した球形や長円形などあるいはこれら形状の複合形などをなしていて、端部に封止部が形成されている。 [About inner pipe]
The glass material of the inner tube can be hard glass mainly composed of silicon oxide (SiO 2 ) such as quartz glass, borosilicate glass or aluminosilicate glass, or soft glass such as soda lime glass. The formation is preferable because the heat resistance, pressure resistance and impact resistance are improved. The shape of the inner tube is a straight tube shape, a spherical shape or an oval shape in which the central portion bulges, or a composite shape of these shapes, and a sealing portion is formed at the end portion.

この内管端部の封止部内にはガラスと熱膨脹係数が同じか近似している、硬質ガラスの場合にはモリブデン（Ｍｏ）、タングステン（Ｗ）、ニオブ（Ｎｂ）、タンタル（Ｔａ）、チタン（Ｔｉ）、ジルコニウム（Ｚｒ）やプラチナ（Ｐｔ）などのうちから選ばれた金属箔や金属線が、また、軟質ガラスの場合にはジュメット線が用いられ気密封止用の導入部材として封止されている。   In the sealed portion at the end of the inner tube, the thermal expansion coefficient is the same as or similar to that of glass. In the case of hard glass, molybdenum (Mo), tungsten (W), niobium (Nb), tantalum (Ta), titanium (Ti), zirconium (Zr), platinum (Pt), etc., metal foil or metal wire selected from among them, and in the case of soft glass, a dumet wire is used and sealed as an introduction member for hermetic sealing. Has been.

この封止部は、内管の端部を加熱し、軟化溶融したガラスを圧潰や焼絞りなどの手段あるいはステムを介し気密閉塞することにより形成でき、また、封止部は、バルブの一端側のみで複数組の導入部材が封止されていても、両端に形成されていて一端側に１組ないし複数組の導入部材が封止されているものであってもよい。   This sealing part can be formed by heating the end of the inner tube and hermetically closing the softened and melted glass through means such as crushing and squeezing or a stem, and the sealing part is formed at one end of the bulb. Even if a plurality of sets of introduction members are sealed only, one set or a plurality of sets of introduction members may be sealed at one end side.

また、内管内部は、放電ランプの場合には真空またはアルゴン（Ａｒ）などの不活性ガスや窒素（Ｎ２ ）などの雰囲気に、電球の場合にはアルゴン（Ａｒ）やクリプトン（Ｋｒ）などの不活性ガスと窒素（Ｎ２ ）との混合ガスあるいはこれら不活性ガスなどとハロゲン（ヨウ素（Ｉ）、臭素（Ｂｒ）や塩素（Ｃｌ）など）との混合ガスが封入されている。 Further, the inside of the inner tube is in an atmosphere such as a vacuum or an inert gas such as argon (Ar) or nitrogen (N 2 ) in the case of a discharge lamp, and argon (Ar) or krypton (Kr) in the case of a light bulb. A mixed gas of an inert gas and nitrogen (N 2 ) or a mixed gas of these inert gases and the like and a halogen (iodine (I), bromine (Br), chlorine (Cl), etc.) is enclosed.

また、内管は、発光管を所要に始動するために必要に応じて始動用の部品要素、たとえば紫外線発生源、高電圧パルス発生器または近接導体などを内部の所定位置に収納することができる。   In addition, the inner tube can accommodate a starting component such as an ultraviolet ray source, a high voltage pulse generator, or a proximity conductor in a predetermined position inside the arc tube as required in order to start the arc tube as required. .

〔外管について〕
外管は、その内部に内管を収納して、内管（発光管を含む）の保温、内管（発光管を含む）破損時の破片の飛散防止あるいは触指による汚損などに対して保護する。この外管の材質は、特段限定されず内管に用いられる硬質ガラスや軟質ガラスにより形成することができる。また、この外管および前述した内管は、発光源からの光を透過して外部に放出できる程度の光透過性を有し、透明に限らず光拡散性やカラー発光するものであってもよく、また、端部など光放射を主としない部分は遮光性であってもよい。 [About outer tube]
The inner tube is housed inside the outer tube to keep the inner tube (including the arc tube) warm, to prevent shattering of the inner tube (including the arc tube), and to protect it from fouling by the finger. To do. The material of the outer tube is not particularly limited and can be formed of hard glass or soft glass used for the inner tube. In addition, the outer tube and the inner tube described above have a light transmissive property that allows light from a light emitting source to be transmitted and emitted to the outside. In addition, a portion that does not mainly emit light such as an end portion may be light-shielding.

外管の形状は一端側が閉塞し、他端（基端）側が開放した開口部を有するＡ形、ＢＴ形、Ｇ形、Ｒ形、Ｓ形、Ｔ形やＰＳ形など各種形状のものを所望に応じて適宜選択して採用することができ、また、開口部側が中央部に比べ径が小径や大径など徐々にあるいは段階的に変化していてもよい。   Desirable outer tube shapes with various shapes such as A, BT, G, R, S, T, PS, etc. with an opening that is closed at one end and open at the other end (base end) The diameter of the opening side may be changed gradually or stepwise, such as a small diameter or a large diameter, as compared with the central part.

なお、開口部近傍の内面側には後述するアダプタの係止部と係合する凹状または凸状の係止部が複数設けられている。   Note that a plurality of concave or convex locking portions that are engaged with the locking portions of the adapter described later are provided on the inner surface near the opening.

〔アダプタについて〕
アダプタは、内管などを利用して外管を保持する手段であり、外管と口金との間の接合が不所望に離脱した際に外管を保持して口金から落下するのを阻止し得る手段として機能する。 [About the adapter]
The adapter is a means for holding the outer tube using the inner tube, etc., and prevents the outer tube from falling from the base when the joint between the outer tube and the base is undesirably detached. Serves as a means to obtain.

そのために、アダプタは、基体部が内管の封止部に支持され、この基体部より延在した複数の延在部が外管の内面との間の隙間に弾性が付与され介在するとともに形成された凹状や凸状の係止部として作用する。   For this purpose, the adapter is formed with the base portion supported by the sealing portion of the inner tube, and a plurality of extending portions extending from the base portion being provided with elasticity in the gap between the inner surface of the outer tube. It acts as a concave or convex locking portion.

さらに詳述すると、アダプタは、内管の封止部を受入れる凹状をなす受容部と、この受容部の開口部から等間隔の複数個所で直角方向に折り曲げられ延出した複数の平面部と、この平面部を折り返えし折曲げ弾性を付与するよう形成した腕部と、この腕部の先端部近傍に上記外管内面の係止部と係合する凹状または凸状の係止部が形成された縦断面が略Ｗ字形状をなしている。   More specifically, the adapter has a concave receiving portion for receiving the sealing portion of the inner tube, and a plurality of flat portions bent and extended at right angles at a plurality of positions at equal intervals from the opening of the receiving portion, An arm portion formed so as to fold back the flat portion to give bending elasticity, and a concave or convex engaging portion that engages with the engaging portion of the inner surface of the outer tube in the vicinity of the distal end portion of the arm portion. The formed longitudinal section is substantially W-shaped.

上記封止部を受入れる受容部は、内管封止部の全周を囲う必要はないが外形にほぼ合わせた凹部形状をなしていて、封止部を外方から押圧して挟持や封止部と凹凸による係止ができる構造であるのが好ましい。   The receiving portion that receives the sealing portion does not need to surround the entire circumference of the inner tube sealing portion, but has a concave shape that is substantially matched to the outer shape, and is pressed and sealed by pressing the sealing portion from outside It is preferable that the structure can be locked with the concave and convex portions.

また、腕部は折り返えすことにより弾性が付与される。この腕部の形成数は外管の中心軸を隔てた対向位置や等間隔（等角度）で外管の重量などを考慮して２か所以上に設けておけばよい。また、腕部に形成される凹状または凸状の係止部は、外管内面の係止部と係合するよう配設位置や相互の形状を決めておくことを要する。   In addition, the arm portion is given elasticity by being folded back. The number of arm portions may be provided at two or more locations in consideration of the weight of the outer tube at opposite positions or at equal intervals (equal angles) across the central axis of the outer tube. In addition, the concave or convex locking portion formed on the arm portion needs to have an arrangement position and a mutual shape so as to engage with the locking portion on the inner surface of the outer tube.

なお、アダプタおよび上記外管に設けられた係止部をなす凹状または凸状部は、係合面を半球状などの曲面や傾斜面としておくことにより、アダプタと外管との両者の係止部の係合作業が円滑に行える。   It should be noted that the concave or convex portion forming the locking portion provided on the adapter and the outer tube has a locking surface such as a hemisphere or a curved surface or an inclined surface, thereby locking both the adapter and the outer tube. Engagement of the parts can be performed smoothly.

上記構成のアダプタの形成材料は特段限定されないが、高圧放電ランプなどの管球の点灯中の高温に耐え、かつ弾性が阻害されない程度の耐熱性を有している必要がある。これらの条件を満たす材料としては、たとえば板厚が０．１
〜０．３ｍｍ程度のばね鋼ステンレスが適するが、一般のステンレスなどの金属板であってもよく、金属板を打ち抜くプレス加工などの手段で容易に成形できる。また、金属の他、ランプ点灯時の高温に耐え、かつ、弾性が損なわれない材料であれば耐熱性のプラスチックであってもよい。 The material for forming the adapter having the above-described configuration is not particularly limited, but it needs to withstand a high temperature during lighting of a tube such as a high-pressure discharge lamp and to have heat resistance that does not hinder elasticity. As a material satisfying these conditions, for example, a plate thickness of 0.1
A spring steel stainless of about 0.3 mm is suitable, but a metal plate such as general stainless steel may be used, and it can be easily formed by means such as press working for punching the metal plate. In addition to metal, a heat-resistant plastic may be used as long as it is a material that can withstand high temperatures when the lamp is lit and does not lose its elasticity.

なお、本発明で上記外管およびアダプタに形成された凹状の係止部とは、外管壁やアダプタを貫通した透孔を含むものである。   In the present invention, the concave engaging portion formed in the outer tube and the adapter includes a through hole penetrating the outer tube wall and the adapter.

〔口金について〕
口金は、発光管などの発光源や外管などをソケットに保持させるとともに、電源と電気的に接続する機能を有する。本発明においてはねじ込み形（Ｅ形など）や差込み形（Ｇ形やＳ形など）などの口金において上記に加えて一端側に内管および外管を支持する弾性が付与された金属板からなる上記アダプタおよび外管の装着溝を、他端側にソケットとの支持と電気的な接続をなす受電部を備えていて、その余の構造は自由で、口金は既知の多様な構造を採用することができる。 [About the base]
The base has a function of holding a light emitting source such as a light emitting tube, an outer tube, and the like in a socket and electrically connecting to a power source. In the present invention, in addition to the above in a screw-type (E-type, etc.) or plug-in type (G-type, S-type, etc.) base, the metal plate is provided with elasticity to support the inner tube and the outer tube on one end side. The mounting groove for the adapter and the outer tube is provided with a power receiving unit that is electrically connected to the socket at the other end, the remaining structure is free, and the base adopts various known structures. be able to.

また、口金は、アダプタおよび受電部を機能的な位置に配置するために、電気的絶縁性が確保できれば金属製でもよいが、好ましくはたとえばステアタイトなどのセラミックスにより一体的に形成された耐熱・電気絶縁物製の口金基体部を配設することができる。すなわち、基体部がシェル部であっても、金属製などのシェル部に耐熱・電気絶縁物製や金属製の口金基体部が連設されていてもよい。   The base may be made of metal as long as electrical insulation can be ensured in order to place the adapter and the power receiving unit in a functional position. Preferably, the base is preferably made of a heat-resistant and integrally formed of ceramics such as steatite. A base body made of an electrical insulator can be provided. That is, even if the base portion is a shell portion, a heat-resistant / electrical insulator base or a metal base base portion may be connected to a shell portion made of metal or the like.

（アダプタなどの装着溝について）
口金の一端側に臨み配設されたセラミックスなどからなる柱状の口金基体部は、中央部に上記アダプタの受容部を受入れる装着溝が、また、基体部の端縁部近傍にはアダプタの腕部および外管の開口部側を受入れる環状の装着溝が形成されている。また、環状の装着溝は基体部の外周壁とシェル部内周壁とで形成される隙間であってもよい。 (About mounting grooves for adapters, etc.)
The columnar die base portion made of ceramics or the like arranged facing one end of the die has a mounting groove for receiving the adapter receiving portion at the center portion, and an arm portion of the adapter near the edge portion of the base portion. An annular mounting groove that receives the opening side of the outer tube is formed. The annular mounting groove may be a gap formed between the outer peripheral wall of the base portion and the inner peripheral wall of the shell portion.

また、中央部の装着溝からアダプタが抜け出ないよう、装着溝壁面に係止孔などを、受容部側に切起片を設けておき、装着（挿入）は容易だが離脱（抜出し）させる後退が困難な構造としておいてもよい。   In order to prevent the adapter from coming out of the mounting groove at the center, a locking hole is provided on the wall surface of the mounting groove, and a cut-and-raised piece is provided on the receiving part side. It may be a difficult structure.

（受電部について）
受電部は、管球に投入する電力を電源から受電して管球本体に供給する手段であり、既知の各種口金形態における受電部を適宜所望により選択的に採用することができる。 (About the power receiving unit)
The power receiving unit is means for receiving electric power to be supplied to the tube from a power source and supplying it to the tube main body, and a power receiving unit in various known cap forms can be selectively employed as desired.

ねじ込み形口金における受電部は、シェル部およびセンターコンタクト部が絶縁基体の所定の位置に互いに絶縁関係を保持して配設されることによって構成されていて、内管から導出された一対の外部リード部材の一方がシェル部に、他方がセンターコンタクト部にそれぞれ接続される。   The power receiving portion in the screw-type base is configured by arranging the shell portion and the center contact portion in a predetermined position of the insulating base while maintaining an insulating relationship with each other, and a pair of external leads led out from the inner tube One of the members is connected to the shell portion and the other is connected to the center contact portion.

本発明の請求項２に記載の管球は、内管の端部に形成された封止部が圧潰封止部であって、この圧潰封止部がアダプタに形成された凹状をなす受容部内に挿入支持されていることを特徴とする。   In the tube according to claim 2 of the present invention, the sealing portion formed at the end of the inner tube is a crushing sealing portion, and the crushing sealing portion is formed in a concave shape formed in the adapter. It is characterized by being inserted into and supported by.

圧潰封止部はウエッジ形ランプに代表されるように、アダプタおよび口金の基体部に形成する凹部が、略長四角形をなすシンプルな形状であるので封止部などを確実強固に受容支持させることができるとともに形成が容易である。   As represented by a wedge-shaped lamp, the crushing sealing part has a simple shape in which the concave part formed in the base part of the adapter and the base has a substantially rectangular shape, so that the sealing part and the like are securely received and supported. Can be formed easily.

本発明の請求項３に記載の管球は、アダプタには、管軸を中心として腕部が等間隔に複数配設されていることを特徴とする。   The tube according to claim 3 of the present invention is characterized in that a plurality of arm portions are arranged at equal intervals around the tube axis in the adapter.

係止部が形成された各腕部間の間隔や高さは揃えておいたり正対位置に配設したりすることにより外管の保持力やセンタリングなどバランスがとれて好ましい。   It is preferable to balance the holding force and centering of the outer tube by arranging the intervals and heights between the arm portions where the locking portions are formed or arranging them at the directly facing positions.

本発明の請求項４に記載の管球は、アダプタの係止部の近傍には、口金の基体部側に突出した突起が形成されていることを特徴とする。   The tube according to claim 4 of the present invention is characterized in that a projection protruding toward the base portion side of the base is formed in the vicinity of the locking portion of the adapter.

アダプタの腕部は、係止部５外面側が外管の係止部の内表面に当接して反対側の基体部側に押圧されているとともに係止部の近傍に設けられた突起の先端部が基体部に当接して腕部を外管側に戻すばね性を高める作用をしているので、両者の係合部には強い押圧力が働き両者の係合を一層強固にできる。   The arm portion of the adapter has the outer surface side of the locking portion 5 abutting against the inner surface of the locking portion of the outer tube and is pressed against the opposite base portion, and the tip of the protrusion provided in the vicinity of the locking portion Since this has the effect of enhancing the spring property that comes into contact with the base portion and returns the arm portion to the outer tube side, a strong pressing force acts on the engaging portions of both members, thereby further strengthening the engagement between them.

本発明の請求項５に記載の管球は、アダプタまたは外管に設けられた凹状または凸状の係止部は、曲面または傾斜面を有することを特徴とする。   The tube according to claim 5 of the present invention is characterized in that the concave or convex engaging portion provided on the adapter or the outer tube has a curved surface or an inclined surface.

係止部をなす凹状または凸状部を半球状などの曲面や傾斜面としておくことにより、アダプタと外管との両者の係止部の係合作業が円滑に行える。   By setting the concave or convex portion forming the locking portion to be a hemispherical curved surface or inclined surface, the engaging operation of the locking portions of both the adapter and the outer tube can be performed smoothly.

本発明の請求項６に記載の照明装置は、照明装置本体と、この照明装置本体に配設された上記請求項１ないし５のいずれか一に記載の管球とを備えていることを特徴とする。   According to a sixth aspect of the present invention, there is provided an illuminating apparatus comprising: the illuminating apparatus main body; and the tube according to any one of the first to fifth aspects disposed in the illuminating apparatus main body. And

上記請求項１ないし５に記載の作用を奏する管球が装着された照明装置は、装置から管球の外管が分離脱落することを防止できる。また、多重管からなる管球であるので、照明装置（器具）の光放射開口部に設けられる透光性の保護カバーを省略することもできる。   The illuminating device to which the tube having the effect described in the first to fifth aspects is mounted can prevent the outer tube of the tube from being separated and dropped from the device. Moreover, since it is a tube made of multiple tubes, a translucent protective cover provided at the light emission opening of the illumination device (apparatus) can be omitted.

なお、この照明装置は、照明器具を含み装置本体内に点灯回路装置を備えていても、本体外に点灯回路装置を設け管球と接続されるものであってもよい。また、本体内に反射鏡や、光放射側にレンズや透光性のカバー部材が設けられていてもよい。   The lighting device may include a lighting fixture and include a lighting circuit device in the device main body, or may be provided with a lighting circuit device outside the main body and connected to a tube. Further, a reflecting mirror may be provided in the main body, and a lens or a translucent cover member may be provided on the light emission side.

請求項１の発明によれば、口金にアダプタを介した機械的な手段で外管を固定支持させているので、所定寿命中における固定強度の低下がなく外管の不所望な分離脱落を防ぎ、人や物品などに損傷を与えることのない安全性の向上がはかれた高圧放電ランプなどの管球を提供することができる。   According to the first aspect of the present invention, since the outer tube is fixedly supported on the base by mechanical means via an adapter, there is no decrease in fixing strength during a predetermined life, and undesired separation and dropping of the outer tube is prevented. Further, it is possible to provide a tube such as a high-pressure discharge lamp that is improved in safety without damaging people or articles.

請求項２の発明によれば、内管に圧潰封止部を形成した管球において、上記請求項１に記載されたと同様な効果を奏する管球を提供することができる。   According to the second aspect of the present invention, a tube having the same effect as described in the first aspect can be provided in a tube having a crushing sealing portion formed on the inner tube.

請求項３の発明によれば、バランスよく外管を係止して上記請求項１または２に記載されたと同様な効果を奏する管球を提供することができる。   According to the invention of claim 3, it is possible to provide a tube having the same effect as described in claim 1 or 2 by locking the outer tube in a balanced manner.

請求項４の発明によれば、上記請求項１ないし３に記載されたと同様な効果を奏するとともに、さらに外管の強固な固定支持がはかれる管球を提供することができる。   According to the fourth aspect of the present invention, it is possible to provide a tube that exhibits the same effects as those described in the first to third aspects of the present invention, and further provides a strong fixing support for the outer tube.

請求項５の発明によれば、上記請求項１ないし４に記載されたと同様な効果を奏するとともに、アダプタと外管との係合作業が円滑に行える管球を提供することができる。   According to the fifth aspect of the present invention, it is possible to provide a tube that achieves the same effects as described in the first to fourth aspects and can smoothly engage the adapter and the outer tube.

請求項６の発明によれば、請求項１ないし５に記載の効果を奏する管球を備えているので、外管の分離脱落による事故の防止がはかれる照明装置（器具）を提供することができる。また、外管の分離脱落がないことから装置（器具）において、光放射開口部における透光性の保護カバーは必須のものではなく、用いない場合は装置（器具）のコスト低減がはかれる。   According to the invention of claim 6, since the tube having the effect described in claims 1 to 5 is provided, it is possible to provide an illuminating device (apparatus) that can prevent an accident due to separation and dropping of the outer tube. . Further, since there is no separation / detachment of the outer tube, in the device (instrument), a translucent protective cover at the light emission opening is not essential, and the cost of the device (instrument) can be reduced when not used.

なお、この照明装置（器具）は、店舗、ホール、地下街、事務所やスポーツ施設などの照明用として用いることができる。   In addition, this illuminating device (equipment) can be used for illumination of a store, a hall, an underground mall, an office, a sports facility, and the like.

本発明の管球（高圧放電ランプ）の実施の形態を示す一部断面正面図である。It is a partial cross section front view which shows embodiment of the bulb | ball (high pressure discharge lamp) of this invention. 図１中の要部（外管と口金との係止部近傍）の拡大断面図である。It is an expanded sectional view of the principal part (near the latching | locking part of an outer tube and a nozzle | cap | die) in FIG. 図１中の発光管部分を示す拡大断面正面図である。It is an expanded sectional front view which shows the arc_tube | light_emitting_tube part in FIG. 図１中の外管部分を示し、（ａ）図は正面図、（ｂ）図は側面縦断面図と要部の拡大断面図、（ｃ）図は（ａ）図中の矢視IV−IV線に沿って切断した部分の横断面図である。1 shows an outer tube portion, in which (a) is a front view, (b) is a side longitudinal sectional view and an enlarged sectional view of the main part, and (c) is an arrow IV- in FIG. It is a cross-sectional view of the part cut along the IV line. 図１中のアダプタを拡大して示し、（ａ）図は正面図、（ｂ）図は側面図、（ｃ）図は上面図である。FIG. 1 is an enlarged view of the adapter in FIG. 1, (a) is a front view, (b) is a side view, and (c) is a top view. 口金の基体部の上面図である。It is a top view of the base | substrate part of a nozzle | cap | die. 本発明の管球（高圧放電ランプ）の他の実施の形態を示す要部の断面正面図である。It is a cross-sectional front view of the principal part which shows other embodiment of the bulb | ball (high pressure discharge lamp) of this invention. 本発明の管球（高圧放電ランプ）を装着した照明装置（器具）の実施の形態を示す一部断面正面図である。It is a partial cross section front view which shows embodiment of the illuminating device (equipment) equipped with the bulb | ball (high pressure discharge lamp) of this invention.

以下、本発明の実施の形態を図１ないし図６を参照して説明する。   Hereinafter, embodiments of the present invention will be described with reference to FIGS.

図１は管球（高圧放電ランプ）の一部断面正面図、図２は図１中の要部（外管と口金との係止部近傍）の拡大断面図、図３は図１中の発光管部分を示す拡大断面正面図、図４は図１中の外管部分を示し、（ａ）図は正面図、（ｂ）図は側面縦断面図と要部の拡大断面図、（ｃ）図は（ａ）図中の矢視IV−IV線に沿って切断した部分の横断面図、図５は図１中のアダプタを拡大して示し、（ａ）図は正面図、（ｂ）図は側面図、（ｃ）図は上面図、図６は口金の基体部の上面図である。   1 is a partial cross-sectional front view of a tube (high pressure discharge lamp), FIG. 2 is an enlarged cross-sectional view of the main part (near the engaging portion between the outer tube and the base) in FIG. 1, and FIG. 4 is an enlarged cross-sectional front view showing the arc tube portion, FIG. 4 shows the outer tube portion in FIG. 1, (a) a front view, (b) a side vertical cross-sectional view and an enlarged cross-sectional view of the main part, (c) FIG. 5A is a cross-sectional view of a portion cut along the line IV-IV in FIG. 5A, FIG. 5 is an enlarged view of the adapter in FIG. 1, FIG. ) Is a side view, (c) is a top view, and FIG. 6 is a top view of the base portion of the base.

なお、以下において構造などを示す上下左右などの位置関係は図面上の説明であって、使用の形態などにより上下左右が変わり特定されるものではない。   In addition, the positional relationship such as up / down / left / right indicating the structure or the like in the following is an explanation on the drawing, and the top / bottom / right / left / right is not specified depending on the form of use.

本実施の形態に示す管球たとえば高圧放電ランプは、図１に示すように、発光管（発光源）１、内管３、外管４、アダプタ５および口金６を主要部材として構成されている。   As shown in FIG. 1, the tube shown in this embodiment, for example, a high-pressure discharge lamp, is composed of a luminous tube (luminous source) 1, an inner tube 3, an outer tube 4, an adapter 5 and a base 6 as main members. .

中心にある発光管１は、多結晶アルミナなどのセラミックスあるいは石英ガラスなどからなる長円形をなす膨出部１１の両端に小径筒状部１２が設けられた透光性の気密容器となるバルブ１３を有し、このバルブ１３内に導入導体２，２に接続支持された一対の電極２０，２０が対峙して設けられているとともにこのバルブ１３の内部にはツリウム（Ｔｍ）、ナトリウム（Ｎａ）、タリウム（Ｔｌ）、スカンジウム（Ｓｃ）やディスプロシウム（Ｄｙ）などの少なくとも一種の発光金属のハロゲン化物や水銀（Ｈｇ）およびアルゴンなどの希ガスを封入して構成されている。   The arc tube 1 at the center is a bulb 13 serving as a light-transmitting hermetic container in which small-diameter cylindrical portions 12 are provided at both ends of a bulging portion 11 having an oval shape made of ceramic such as polycrystalline alumina or quartz glass. A pair of electrodes 20, 20 connected to and supported by the introduction conductors 2, 2 are provided in the bulb 13 so as to face each other, and thulium (Tm), sodium (Na) are contained inside the bulb 13. , At least one light emitting metal halide such as thallium (Tl), scandium (Sc), and dysprosium (Dy), and rare gas such as mercury (Hg) and argon.

たとえばセラミックス製のバルブ１３の場合、小径筒状部１２内に挿通される上記導入導体２は、ニオブ（Ｎｂ）やタンタル（Ｔａ）などからなる外部導入導体２１と、サーメットやモリブデン（Ｍｏ）からなる中間導入導体２２と、タングステン（Ｗ）からなる電極軸２３との３〜４部材を直列接続したものからなり、小径筒状部１２の開口端部において外部導入導体２１をセラミックス封止用コンパウンド２５からなるフリットガラスを溶融し、固化させることにより固定するとともに開口部を閉塞して気密封止している。また、電極軸２３の先端にはコイル状の電極２０が設けられている。   For example, in the case of a ceramic valve 13, the introduction conductor 2 inserted into the small-diameter cylindrical portion 12 includes an external introduction conductor 21 made of niobium (Nb), tantalum (Ta), or the like, and cermet or molybdenum (Mo). The intermediate introduction conductor 22 and the electrode shaft 23 made of tungsten (W) are connected in series, and the external introduction conductor 21 is connected to the ceramic sealing compound at the opening end of the small-diameter cylindrical portion 12. The frit glass made of 25 is melted and solidified to be fixed, and the opening is closed and hermetically sealed. A coiled electrode 20 is provided at the tip of the electrode shaft 23.

内管３は直管（Ｔ）形の石英ガラスからなり、一端側（図において上方側）には金型により成形した圧潰封止部３１が、他端側は縮径された中央部に排気管の封切部３２が形成してあり、上記圧潰封止部３１内に気密封止されたモリブデン（Ｍｏ）箔２６の一端側には内部リード部材２７が、他端側には口金６の端子部に接続される外部リード部材２８が接続してある。   The inner tube 3 is made of a straight tube (T) -shaped quartz glass, one end side (upper side in the drawing) is a crushing sealing portion 31 formed by a mold, and the other end side is exhausted to a reduced central portion. A tube sealing portion 32 is formed. An internal lead member 27 is provided on one end side of the molybdenum (Mo) foil 26 hermetically sealed in the crushing sealing portion 31, and a terminal of the base 6 is provided on the other end side. An external lead member 28 connected to the portion is connected.

そして、上記発光管１は内管３内において両端から導出している外部導入導体２１が内部リード部材２７に直接あるいは導体を介し接続されているとともに内管３と同軸上に在るよう配設支持されている。（なお、図１，２中では下方に向かう内部リード部材は図示していない。）
また、内管３内は、真空かアルゴン（Ａｒ）などの不活性ガスや窒素（Ｎ２）雰囲気としてある。 The arc tube 1 is arranged such that the outer lead-in conductor 21 led out from both ends in the inner tube 3 is connected to the inner lead member 27 directly or via a conductor and is coaxial with the inner tube 3. It is supported. (In addition, in FIG. 1, 2, the internal lead member which goes below is not shown in figure.)
Further, the inside of the inner tube 3 is an inert gas such as vacuum or argon (Ar) or a nitrogen (N 2 ) atmosphere.

外管４は直管（Ｔ）形の石英ガラスからなり、一端側（図において上方側）には開放された開口部４１が、他端側は略半球状に閉塞された閉塞部４２が形成された有底筒状をなしていて、開口部４１近傍の相対する内面の２か所には凹状または凸状ここでは内方に突出した凸状の係止部４５，４５が形成してある。   The outer tube 4 is made of a straight tube (T) -shaped quartz glass, and an open portion 41 is formed on one end side (upper side in the drawing), and a closed portion 42 is formed in a substantially hemispherical shape on the other end side. The bottomed cylindrical shape is formed, and concave or convex, in this case, convex locking portions 45 and 45 projecting inward are formed at two locations on the inner surface in the vicinity of the opening 41. .

アダプタ５は、ステンレスなどのばね性金属板をプレス加工などの打ち抜き手段で成形されたものからなる。アダプタ５は上記内管３の対向する圧潰封止部３１の圧潰面を両側から挟むよう基体部５１を介し相似形に立ち上げた一対の壁面５２，５２で形成した略長四角形状の空洞をなす凹状の封止部３１の受容部５３と、この受容部５３の開口部から等間隔の複数個所で直角方向、ここでは対向する２か所で反対側に折り曲げ延出した平面状の肩部５４と、この肩部５４を折り返えし折曲げ弾性を付与するよう形成した腕部５５と、この腕部５５の先端部近傍に上記外管４内面の係止部４５と係合する凹状または凸状のここでは凹状の透孔からなる係止部５６が形成された縦断面が略逆Ｍ字形状をなしている。また、５７，…は必須のものではないが腕部５５に形成された口金基体部６１側に突出した突起である。   The adapter 5 is made of a spring metal plate such as stainless steel formed by punching means such as press working. The adapter 5 has a substantially long rectangular cavity formed by a pair of wall surfaces 52 and 52 raised in a similar shape through the base portion 51 so as to sandwich the crushing surface of the crushing sealing portion 31 facing the inner tube 3 from both sides. A receiving portion 53 of the concave sealing portion 31 formed, and a planar shoulder portion which is bent and extended in a right angle direction at a plurality of positions equidistant from the opening portion of the receiving portion 53, in this case, at two opposite positions. 54, an arm portion 55 formed to fold back the shoulder portion 54 to give bending elasticity, and a concave shape that engages with the engaging portion 45 of the inner surface of the outer tube 4 in the vicinity of the distal end portion of the arm portion 55. Alternatively, in this case, the vertical section in which the engaging portion 56 formed of a concave through hole is formed has a substantially inverted M shape. Further, 57,... Are not essential, but are protrusions formed on the arm base 55 and projecting toward the base base part 61 side.

また、上記受容部５３を形成する壁面５２，５２は平板状でもよいが、図示のように波状に形成して弾性をもたせることにより圧潰封止部３１を強く挟持することができる。   Further, the wall surfaces 52, 52 forming the receiving portion 53 may be flat plates, but the crushing sealing portion 31 can be strongly held by forming it in a wave shape as shown in the figure to give elasticity.

たとえば内径Ｄ１が約２４．４ｍｍ、一対の凸状係止部４５，４５の頂部間の間隔Ｄ２が約２１．６ｍｍの外管４を支持する上記アダプタ５の概略寸法は、厚さが約０．２ｍｍのステンレス板を用い受容部５３を形成する壁面５２の幅が約１５ｍｍｍ、壁面の高さ（深さ）が約１５．５ｍｍ、波状の壁面５２，５２間の最大外側寸法が約５．８ｍｍ、肩部５４の幅が約６ｍｍ、腕部５５の長さ（高さ）が約１０ｍｍ（外管４内面の湾曲面に対応して約９ｍｍの曲率で湾曲）、腕部５５に形成された係止部５６の孔径が約５ｍｍ、基体部５１（受容部５３）と延在する両肩部５４，５４と両腕部５５，５５とで形成される略逆Ｍ字形状をなす最大寸法Ｗ１が約２６．２ｍｍで、外管４とアダプタ５とはＤ２＜Ｄ１＜Ｗ１の関係にある。   For example, the adapter 5 that supports the outer tube 4 having an inner diameter D1 of about 24.4 mm and a distance D2 between the tops of the pair of convex locking portions 45, 45 of about 21.6 mm has a thickness of about 0. The width of the wall surface 52 forming the receiving portion 53 using a stainless steel plate of 2 mm is about 15 mm, the height (depth) of the wall surface is about 15.5 mm, and the maximum outer dimension between the wavy wall surfaces 52 and 52 is about 5. 8 mm, the width of the shoulder portion 54 is about 6 mm, and the length (height) of the arm portion 55 is about 10 mm (curved with a curvature of about 9 mm corresponding to the curved surface of the inner surface of the outer tube 4). The maximum size of the engagement portion 56 is approximately 5 mm, and has a substantially inverted M-shape formed by the base portion 51 (receiving portion 53), the extending shoulder portions 54, 54, and the arm portions 55, 55. W1 is about 26.2 mm, and the outer tube 4 and the adapter 5 have a relationship of D2 <D1 <W1.

口金６は、一端側に切頭円錐体などの略円柱形状をなすステアタイトなどの電気絶縁体からなる口金基体部６１が、また、他端側には受電部６５が設けられている。そして、基体部６１の中央部には直径方向にアダプタ５の受容部５３を受入れる装着溝６２が、基体部６１の周囲には外管４の開口部４１側およびアダプタ５の腕部５５を受入れる環状の装着溝６３が設けられている。図中、６４，６４は装着溝６２，６３の形成によるランド部、６８，６８は装着溝６２の底部に設けられた外部リード部材２８，２８の挿通孔である。   The base 6 is provided with a base body portion 61 made of an electric insulator such as steatite having a substantially cylindrical shape such as a truncated cone on one end side, and a power receiving portion 65 on the other end side. A mounting groove 62 for receiving the receiving portion 53 of the adapter 5 in the diameter direction is received in the center of the base portion 61, and the opening 41 side of the outer tube 4 and the arm portion 55 of the adapter 5 are received around the base portion 61. An annular mounting groove 63 is provided. In the figure, 64 and 64 are land portions formed by the mounting grooves 62 and 63, and 68 and 68 are insertion holes for the external lead members 28 and 28 provided at the bottom of the mounting groove 62.

また、口金基体部６１の反対側にはシェル部６６およびセンターコンタクト部６７が所定の位置に互いに絶縁関係を保持して配設されることによって受電部６５を構成している。   On the opposite side of the base body portion 61, a shell portion 66 and a center contact portion 67 are arranged in a predetermined position while maintaining an insulating relationship, thereby constituting a power receiving portion 65.

そして、内管３は圧潰封止部３１がアダプタ５に形成した凹状の受容部５３内に挿入され、さらにこの受容部５３は口金基体部６１の装着溝６２内に挿入されることにより内管３がアダプタ５を介し口金６に支持されることになる。なお、このとき内管３の端部から導出された一対の外部リード部材２８，２８は、アダプタ５の基体部５１および口金６の基体部６１の装着溝６２底部の挿通孔６８，６８を挿通し、口金６内での相互の短絡を防ぐため張力がかかる状態で、封止部３１の端面がアダプタ５を口金６の基体部６１に押し付けその先端部が口金６のシェル部６６およびセンターコンタクト部６７などに溶接やろう付けなどの手段で接続してあるため、この外部リード部材２８，２８が内管３を吊下支持していることにもなり、内管３を強固に支持することができる。   The inner tube 3 is inserted into a concave receiving portion 53 in which the crushing sealing portion 31 is formed in the adapter 5, and the receiving portion 53 is further inserted into the mounting groove 62 of the base base portion 61, whereby the inner tube 3 is inserted. 3 is supported by the base 6 through the adapter 5. At this time, the pair of external lead members 28 and 28 led out from the end portion of the inner tube 3 are inserted through the insertion holes 68 and 68 at the bottom of the mounting groove 62 of the base portion 51 of the adapter 5 and the base portion 61 of the base 6. In the state where tension is applied to prevent mutual short circuit in the base 6, the end surface of the sealing portion 31 presses the adapter 5 against the base portion 61 of the base 6, and the tip portion thereof is the shell portion 66 of the base 6 and the center contact. Since the outer lead members 28 and 28 support the inner pipe 3 in a suspended manner by connecting to the portion 67 by means such as welding or brazing, the inner pipe 3 is firmly supported. Can do.

また、内管３の圧潰封止部３１の圧潰面外表面と、この外表面と当接するアダプタ５の凹状の受容部５３の内表面あるいはこの凹状の受容部５３の外表面と、この外表面と当接する口金基体部６１の装着溝６２内表面とが相互に係合するよう両者の当接部に係合する凹凸部を形成して、その支持固定力を高めアダプタ５が抜け出すことを防ぐようにしてもよい。   Also, the crushing surface outer surface of the crushing sealing portion 31 of the inner tube 3, the inner surface of the concave receiving portion 53 of the adapter 5 in contact with the outer surface, or the outer surface of the concave receiving portion 53, and the outer surface A concave and convex portion that engages with both contact portions is formed so that the inner surface of the mounting groove 62 of the base body portion 61 that contacts with each other is engaged with each other to increase the support fixing force and prevent the adapter 5 from coming out. You may do it.

また、上記内管３と口金６とを係合した後、内管３を覆うよう被せた外管４は、開口部４１を金口基体部６１の側面に折り返されたアダプタ５の腕部５５に滑らしながら移動させ、開口部４１近傍の内面側に突出して設けた凸状の２か所の係止部４５をアダプタ５の凹状ここでは透孔からなる２か所の係止部５６に合わせることにより係合して、外管４をアダプタ５に固定支持させることができる。   In addition, after engaging the inner tube 3 and the base 6, the outer tube 4 covered so as to cover the inner tube 3 has the arm portion 55 of the adapter 5 in which the opening 41 is folded back to the side surface of the base portion 61. The two engaging portions 45 that protrude from the inner surface in the vicinity of the opening 41 are aligned with the two engaging portions 56 that are formed in the concave shape of the adapter 5, here through holes. Accordingly, the outer tube 4 can be fixedly supported by the adapter 5.

なお、上記アダプタ５および外管４に設けられた凹状または凸状の係止部４５，５６は、係合面を半球状などの曲面や傾斜面としておくことにより、アダプタ５と外管４との両者の係止部４５，５６の係合作業が円滑に行える利点がある。   In addition, the concave or convex engaging portions 45 and 56 provided on the adapter 5 and the outer tube 4 have a curved surface such as a hemisphere or an inclined surface, so that the adapter 5 and the outer tube 4 There is an advantage that the engaging work of both the locking portions 45 and 56 can be smoothly performed.

また、アダプタ５の腕部５５は、係止部５６の外面側が外管４の係止部４５の内表面に当接して反対側の基体部６１側に押圧されているとともに係止部５６の近傍に設けられた突起５７，…の先端部がランド部６４壁面に当接することによって腕部５５の変形量が規制される。このため、腕部５５の不所望な変形による外管４の支持力の低下を抑制することができる。   Further, the arm portion 55 of the adapter 5 is pressed against the base portion 61 side of the locking portion 56 while the outer surface side of the locking portion 56 abuts against the inner surface of the locking portion 45 of the outer tube 4. The tip portion of the projections 57,... Provided in the vicinity abuts against the wall surface of the land portion 64, whereby the deformation amount of the arm portion 55 is restricted. For this reason, it is possible to suppress a decrease in the supporting force of the outer tube 4 due to an undesired deformation of the arm portion 55.

本発明は上述したように、多重管構造として内部に配設した発光源の保護や保温などをはかる管球において、金属板で形成したアダプタ５で弾性を利用して外管４を支持固定するようにしたもので、シンプルな構造でプレス作業などにより製造も容易で、経時劣化がないかあっても接着剤に比べて僅少で、口金６側が上方にくる鉛直あるいは傾斜した状態のベースアップでランプＬ１を点灯しても、照明装置に装着され所定寿命途中における外管４の脱落防止がはかれ、人や物品などに損傷を与えない安全性の向上したメタルハライドランプＬ１を提供することができる。   As described above, according to the present invention, the outer tube 4 is supported and fixed by using the elasticity of the adapter 5 formed of a metal plate in a tube for protecting the light source disposed inside as a multi-tube structure and protecting the heat. It has a simple structure and is easy to manufacture by press work etc., and even if there is no deterioration over time, it is a little compared to the adhesive, and the base up with the base 6 side facing up or down is up Even if the lamp L1 is turned on, the outer tube 4 can be prevented from falling off during the predetermined life, and the metal halide lamp L1 with improved safety can be provided without damaging people or articles. .

図７は本発明の高圧放電ランプ（管球）の他の実施の形態を示す概略の一部断面正面図で、図中、図１と同一部分には同一の符合を付してその説明は省略する。   FIG. 7 is a schematic partial cross-sectional front view showing another embodiment of the high-pressure discharge lamp (tube) according to the present invention. In FIG. 7, the same parts as those in FIG. Omitted.

この図７に示す高圧放電ランプＬ２は、内管３およびアダプタ５は図１や２と略同一構造で、上記実施の形態と変わるところは、外管４の形状および外管４と口金６との接続部である。   In the high-pressure discharge lamp L2 shown in FIG. 7, the inner tube 3 and the adapter 5 have substantially the same structure as that of FIGS. 1 and 2, but the shape of the outer tube 4 and the outer tube 4 and the base 6 are different from those in the above embodiment. It is a connection part.

この外管４はＴ形バルブの開口部（基端部）４１側が中間部などに比べ径大に成形されていて、かつ、開口部（基端部）４１端部の周縁部には外方に突出した鍔部４３が形成してある。   The outer tube 4 is formed such that the opening (base end) 41 side of the T-shaped valve is larger in diameter than the intermediate portion and the like, and the outer periphery of the end of the opening (base end) 41 is outward. A flange 43 projecting from the bottom is formed.

そして、アダプタ５による外管４の固定支持手段は上記実施の形態と同じであるが、口金６の基体部６１にも上記外管４の開口部（基端部）４１端部に形成したのと略同形の鍔部６９が形成してあって、この両者の鍔部４３，６９を重合した重合部を縦断面が略コ字形をなすアルミニウム（Ａｌ）などの金属板製の環状リング６０を嵌めることによって接合一体化されている。   The means for fixing and supporting the outer tube 4 by the adapter 5 is the same as in the above embodiment, but the base portion 61 of the base 6 is also formed at the end of the opening (base end portion) 41 of the outer tube 4. An annular ring 60 made of a metal plate such as aluminum (Al) whose longitudinal section is substantially U-shaped is formed on the overlapping portion obtained by superimposing the flange portions 43 and 69. It is joined and integrated by fitting.

ランプ構造としてアダプタ５を有しない従来のこの種環状のリング６０により一体化されているランプは知られているが、このガラス製外管４に形成される鍔部４３の一様な成形形状を得るのが難しいとともにこの鍔部４３に嵌めるリング６０の固定にばらつきが生じ外管４がリング６０から離脱して落下することがある。   As a lamp structure, there is known a lamp integrated by a conventional ring 60 of this kind having no adapter 5, but the uniform shape of the flange 43 formed on the glass outer tube 4 is known. It is difficult to obtain, and the fixing of the ring 60 fitted to the flange 43 may vary and the outer tube 4 may be detached from the ring 60 and fall.

そこで、本発明に係わるアダプタ５による外管４の支持手段を、この環状リング６０による支持手段と併用することにより、万一、環状リング６０による支持が破損しても残るアダプタ５による外管４の支持が維持されているので、
外管４が口金６から離脱するのを防止できる上記実施の形態に示すと同様な作用効果を奏する高圧放電ランプＬ２を提供することができる。 Therefore, by using the support means for the outer tube 4 by the adapter 5 according to the present invention in combination with the support means by the annular ring 60, the outer tube 4 by the adapter 5 that remains even if the support by the annular ring 60 is broken. Since support of is maintained,
It is possible to provide a high-pressure discharge lamp L2 having the same operational effects as those shown in the above embodiment that can prevent the outer tube 4 from being detached from the base 6.

図８は、本発明の上記高圧放電ランプＬ１を装着した照明装置（照明器具）を示す一部断面正面図である。   FIG. 8 is a partial cross-sectional front view showing a lighting device (lighting fixture) equipped with the high-pressure discharge lamp L1 of the present invention.

この照明装置（器具）９は屋内照明用のスポットライトで、照明装置本体９１は、天井取付部９２、支柱９３、本体ケース９４、ソケット９５、反射鏡９６、遮光キャップ９７および上記実施の形態で示した高圧放電ランプ（メタルハライドランプ）Ｌ１を主な構成要素として構成されている。なお、本体ケース９４は、支柱９３に対して水平面内および鉛直面内の回動が可能になっている。   The lighting device (apparatus) 9 is a spotlight for indoor lighting, and the lighting device main body 91 is a ceiling mounting portion 92, a support column 93, a main body case 94, a socket 95, a reflecting mirror 96, a light shielding cap 97, and the above embodiment. The high-pressure discharge lamp (metal halide lamp) L1 shown is configured as a main component. The main body case 94 can be rotated in a horizontal plane and a vertical plane with respect to the column 93.

この照明装置（器具）９は、たとえば商品が並んだウインドの天井面などに取付部９２が反射鏡９６の開口部側を下方にして取付られ、電源スイッチを入れることにより電源から天井裏などに配設された点灯回路装置（図示しない。）−ソケット９５を介し放電ランプＬ１に給電される。   In this lighting device (apparatus) 9, for example, a mounting portion 92 is mounted on the ceiling surface of a window on which products are lined up with the opening side of the reflecting mirror 96 facing downward, and by turning on the power switch, the power source is switched from the power source to the ceiling. An installed lighting circuit device (not shown) is supplied with power to the discharge lamp L <b> 1 via the socket 95.

そして、反射鏡９６内で口金６側を上方（ベースアップ）にした垂直状態にあるランプＬ１が点灯されると、ランプＬ１からの直射光および反射鏡９６で反射された反射光が開口部から放射され、下方にある商品などを照射して所定の照度を得ることができる。   When the lamp L1 in a vertical state with the base 6 side upward (base-up) in the reflecting mirror 96 is turned on, direct light from the lamp L1 and reflected light reflected by the reflecting mirror 96 are emitted from the opening. A predetermined illuminance can be obtained by irradiating a product or the like that is emitted and irradiated below.

本発明においては、上述した高圧放電ランプＬ１が装着されているので外管４の脱落を防止できることから人や商品などに損傷を与えることがない安全性の高い照明装置（器具）９を提供することができる。   In the present invention, since the above-described high-pressure discharge lamp L1 is mounted, it is possible to prevent the outer tube 4 from falling off, so that a highly safe lighting device (equipment) 9 that does not damage people or products is provided. be able to.

また、照明装置（器具）９において、光放射開口部における透光性のガラスカバーなどの保護部材は必須のものではなく、用いない場合は照明装置（器具）９のコスト低減がはかれる。   Further, in the lighting device (equipment) 9, a protective member such as a translucent glass cover in the light emission opening is not essential, and when not used, the cost of the lighting device (equipment) 9 can be reduced.

なお、本発明は上記実施の形態に限るものではない。たとえば管球としてメタルハライドランプについて述べたが、メタルハライドランプに限らず、水銀ランプや高圧ナトリウムランプなど種々の高圧放電ランプあるいは発光源としてタングステン（Ｗ）線を巻回したコイル状のフィラメントを気密容器（バルブ）内に配設し、不活性ガスとともにハロゲンを封入したハロゲン電球などに適用して上記ランプと同様な作用効果を奏する。   The present invention is not limited to the above embodiment. For example, a metal halide lamp has been described as a tube, but not limited to a metal halide lamp, various high-pressure discharge lamps such as a mercury lamp and a high-pressure sodium lamp, or a coiled filament wound with a tungsten (W) wire as a light-emitting source is used as an airtight container ( The same effect as that of the above-mentioned lamp can be obtained by applying it to a halogen bulb or the like which is disposed in a bulb) and encloses a halogen together with an inert gas.

また、放電ランプにおいては、内管内または外管内にランプ始動用の点灯管、バイメタルスイッチやエンハンサ（紫外線発生素子）などが設けられていてもよい。   In the discharge lamp, a lamp starting lamp, a bimetal switch, an enhancer (ultraviolet ray generating element), or the like may be provided in the inner tube or the outer tube.

また、アダプタは上記実施の形態に示した逆Ｗ字形状の構造に限らず、中央部に管球の封止部を収容支持する凹状の受容部、この受容部から等間隔や等角度を隔て延在し先端側において外管に形成した係止部と係合する係止部が形成された複数のばね性の腕部が設けられていればよく、腕部の形成数は支持する外管の重量や係止部の形状を考慮して決めればよい。また、アダプタの形成材料はステンレスなどの金属板製に限らず、点灯時の高温に耐え、かつ、弾性が損なわれない耐熱性のプラスチック材料製のものであってもよい。   In addition, the adapter is not limited to the inverted W-shaped structure shown in the above embodiment, but a concave receiving portion that accommodates and supports the sealing portion of the tube at the center portion, and is spaced at equal intervals and equal angles from the receiving portion. It is only necessary to provide a plurality of spring-like arm portions formed with locking portions that extend and engage with the locking portions formed on the outer tube on the distal end side. It may be determined in consideration of the weight of the lens and the shape of the locking portion. In addition, the material for forming the adapter is not limited to a metal plate such as stainless steel, and may be made of a heat-resistant plastic material that can withstand high temperatures during lighting and does not lose elasticity.

また、照明装置は、高圧放電ランプや電球の発光を何らかの目的で用いる各種照明装置（器具）に適用することができる。   Moreover, the lighting device can be applied to various lighting devices (instruments) that use light emission of a high-pressure discharge lamp or a light bulb for some purpose.

この照明装置は、店舗、ホール、地下街、事務所やスポーツ施設などの照明用として用いることができる。   This lighting device can be used for lighting in stores, halls, underground malls, offices and sports facilities.

Ｌ１、Ｌ２；管球（高圧放電ランプ）、 １；発光管（発光源）、
３；内管、 ３１；封止部、 ４；外管、 ４１；開口部、
４５、５６；係止部、 ５；アダプタ、 ５１；基体部、
５３；受容部、 ５４；肩部、 ５５；腕部、 ５７；突起、
６；口金、 ６１；口金基体部、 ６２，６３；装着溝、
６５；受電部、 ９；照明装置（器具）、 ９１；装置（器具）本体、 L1, L2; Tube (high pressure discharge lamp), 1; Arc tube (light source),
3; inner tube, 31; sealing portion, 4; outer tube, 41; opening,
45, 56; locking portion, 5; adapter, 51; base portion,
53; Receptor, 54; Shoulder, 55; Arm, 57; Projection,
6; base, 61; base body part, 62, 63; mounting groove,
65; Power receiving unit, 9; Lighting device (apparatus), 91;

Claims (6)

内部に発光源を収容し端部に封止部が形成された透光性の気密容器からなる内管と；
この内管を囲繞するとともに開口部近傍の内面側に凸状または凹状の係止部が設けられた有底筒状の外管と；
上記内管の封止部を受入れる受容部、この受容部から外方向に折り曲げられ延在して弾性が付与された複数の腕部を有し、この腕部に上記外管内面の係止部と係合する凹状または凸状の係止部が設けられたアダプタと；
一端側に上記アダプタの受容部を受入れる装着溝と外管の開口部側を受入れる環状の装着溝が形成された基体部および他端側に受電部を有する口金と；
を具備していることを特徴とする管球。 An inner tube made of a light-transmitting hermetic container having a light-emitting source inside and a sealing portion formed at the end;
A bottomed cylindrical outer tube surrounding the inner tube and provided with a convex or concave engaging portion on the inner surface near the opening;
A receiving portion for receiving the sealing portion of the inner tube, and a plurality of arm portions which are bent outwardly from the receiving portion and are given elasticity, and a locking portion of the inner surface of the outer tube is provided on the arm portion. An adapter provided with a concave or convex locking portion to engage with;
A base having a mounting groove for receiving the receiving portion of the adapter on one end side and an annular mounting groove for receiving the opening side of the outer tube, and a base having a power receiving portion on the other end side;
A tube characterized by comprising: 内管の端部に形成された封止部が圧潰封止部であって、この圧潰封止部がアダプタに形成された凹状をなす受容部内に挿入支持されていることを特徴とする請求項１に記載の管球。   The sealing part formed at the end of the inner tube is a crushing sealing part, and the crushing sealing part is inserted and supported in a concave receiving part formed in the adapter. 1. The tube according to 1. アダプタには、管軸を中心として腕部が等間隔に複数配設されていることを特徴とする請求項１または２に記載の管球。   The tube according to claim 1 or 2, wherein a plurality of arm portions are arranged at equal intervals around the tube axis in the adapter. アダプタの係止部の近傍には、口金の基体部側に突出した突起が形成されていることを特徴とする請求項１ないし３のいずれか一に記載の管球。   4. A tube according to any one of claims 1 to 3, wherein a protrusion protruding toward the base part of the base is formed in the vicinity of the engaging part of the adapter. アダプタまたは外管に設けられた凸状の係止部は、曲面または傾斜面を有することを特徴とする請求項１ないし４のいずれか一に記載の管球。   The tube according to any one of claims 1 to 4, wherein the convex locking portion provided on the adapter or the outer tube has a curved surface or an inclined surface. 照明装置本体と；
この照明装置本体に配設された上記請求項１ないし５のいずれか一に記載の管球と；
を備えていることを特徴とする照明装置。 A lighting device body;
The tube according to any one of claims 1 to 5 disposed in the illumination device body;
A lighting device comprising:
JP2010107326A 2010-05-07 2010-05-07 Bulb and lighting device Ceased JP2011238398A (en)

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JPH0654191U (en) * 1992-12-22 1994-07-22 市光工業株式会社 Light source structure using a discharge tube
JP2005174936A (en) * 2003-12-12 2005-06-30 Patent Treuhand Ges Elektr Gluehlamp Mbh Holding device for fixing lamp tube, and single base type lamp
WO2007139095A1 (en) * 2006-05-31 2007-12-06 Panasonic Corporation Metal vapor discharge lamp and illumination device
JP2010509717A (en) * 2006-11-08 2010-03-25 オスラム ゲゼルシャフト ミット ベシュレンクテル ハフツング Optical unit
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