JPH0723903Y2 - Tube incandescent light bulb - Google Patents

Tube incandescent light bulb

Info

Publication number
JPH0723903Y2
JPH0723903Y2 JP1988151311U JP15131188U JPH0723903Y2 JP H0723903 Y2 JPH0723903 Y2 JP H0723903Y2 JP 1988151311 U JP1988151311 U JP 1988151311U JP 15131188 U JP15131188 U JP 15131188U JP H0723903 Y2 JPH0723903 Y2 JP H0723903Y2
Authority
JP
Japan
Prior art keywords
lead
seal portion
diameter
adhesive
storage hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP1988151311U
Other languages
Japanese (ja)
Other versions
JPH0271965U (en
Inventor
孝治 小田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ushio Denki KK
Original Assignee
Ushio Denki KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ushio Denki KK filed Critical Ushio Denki KK
Priority to JP1988151311U priority Critical patent/JPH0723903Y2/en
Publication of JPH0271965U publication Critical patent/JPH0271965U/ja
Application granted granted Critical
Publication of JPH0723903Y2 publication Critical patent/JPH0723903Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

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

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、複写機のトナー定着のための熱ローラ用ヒー
タ等に使用する管型白熱電球に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a tubular incandescent light bulb used as a heater for a heat roller for fixing toner in a copying machine.

〔従来の技術〕[Conventional technology]

例えば複写機等においては、熱効率が高いことから熱ロ
ーラ用ヒータに管型白熱電球が用いられているが、近
年、複写機の小型化が強く要請され、そのため熱ローラ
用の管型白熱電球としてもコンパクトな構造のものが望
まれるようになり、リード線を白熱電球とは直行する方
向に導出するタイプのものが実用化されている。
For example, in a copying machine or the like, a tube-type incandescent lamp is used as a heater for a heat roller because of its high thermal efficiency. In recent years, however, there has been a strong demand for downsizing of the copying machine. Also, a compact structure has been demanded, and a type in which a lead wire is led out in a direction perpendicular to an incandescent lamp has been put into practical use.

〔考案が解決しようとする課題〕[Problems to be solved by the device]

しかし、従来のリード線を直行する方向に導出するタイ
プの白熱電球はシール部から伸びるリードがセラミック
ベースのシール部固定部内に位置しているので、有効発
光長に比して全長が長くなり、かつ接着剤が乾燥される
まではシール部にセラミックベースを保持するのが困難
であるという問題点を有していた。
However, in the conventional incandescent light bulb of the type in which the lead wire is drawn out in the direction perpendicular to the incandescent bulb, the lead extending from the seal portion is located inside the seal portion fixing portion of the ceramic base, so the total length is longer than the effective light emission length. In addition, it is difficult to hold the ceramic base in the seal portion until the adhesive is dried.

本考案は、従来技術の有するこのような問題点に鑑みて
なされたものであり、その目的とするところは、リード
線を白熱電球と直行する方向に導出するタイプの白熱電
球で、有効発光長に比して全長を短くできるとともに、
接着剤が未乾燥のときでもシール部にセラミックベース
を保持することができ、更に、管型白熱電球を覆う側板
等とセラミックベースの端部との絶縁性を良好に保つこ
とができる管型白熱電球を提供することを目的とする。
The present invention has been made in view of such problems of the prior art, and an object thereof is an incandescent light bulb of a type in which a lead wire is led out in a direction perpendicular to an incandescent light bulb, and an effective light emission length is The overall length can be shortened compared to
A tube-type incandescent that can hold the ceramic base in the seal part even when the adhesive is not dried, and can also maintain good insulation between the side plate that covers the tube-type incandescent lamp and the end of the ceramic base. Intended to provide a light bulb.

〔課題を解決するための手段〕[Means for Solving the Problems]

上記目的を達成するために、本考案における管型白熱電
球は、両端にシール部を有する長尺な管型封体と、該シ
ール部から突出するリードに接続されたリード線と、該
シール部に接着剤にて固定されたセラミックベースとよ
りなり、前記セラミックベースは、フランジ部と、該フ
ランジ部の一側面に設けられた前記シール部が挿入され
る二股状のシール部固定部と、該フランジ部の反対側面
に設けられた棒状の取り付け部とから成り、前記棒状の
取り付け部は、前記リードの径よりも大きな径の中空の
収納穴とこれに続く外部に貫通する前記リードの径より
小さな径の細孔を有し、前記リード線は、管型封体の管
軸に対してシール部固定部の二股の間から直行する方向
に導出され、リードの先端側を前記収納穴に位置させ
て、シール部固定部に接着剤を充填したことを特徴とす
る管型白熱電球。
In order to achieve the above object, a tubular incandescent lamp according to the present invention comprises a long tubular encapsulating body having sealing portions at both ends, lead wires connected to leads protruding from the sealing portion, and the sealing portion. And a ceramic base fixed with an adhesive to the ceramic base, wherein the ceramic base has a flange portion, a bifurcated seal portion fixing portion into which the seal portion provided on one side surface of the flange portion is inserted, It is composed of a rod-shaped mounting portion provided on the opposite side of the flange portion, and the rod-shaped mounting portion is larger than the diameter of the lead in the hollow storage hole and the diameter of the lead penetrating to the outside thereafter. Having a small-diameter pore, the lead wire is led out in a direction orthogonal to the fork of the seal part fixing part with respect to the tube axis of the tubular encapsulant, and the tip end side of the lead is positioned in the accommodation hole. Let the seal part be fixed Tubular incandescent lamp, characterized in that filled with adhesive.

〔作用〕[Action]

リードの先端部を収納穴内に位置させたので、有効発光
長が長くとれ、かつ収納穴内に位置しているリードがセ
ラミックベースをシール部に保持する役目も果してお
り、しかもこの収納穴にはこれに続く外部に貫通する前
記リードの径より小さな径の細孔が形成されているの
で、リードの先端部がセラミックベースの端部から外部
に突出することがなく、かつ、収納穴が接着剤で塞がれ
ても収納穴中の空気の逃げ道が形成されており、接着剤
乾燥時に空気膨張による接着剤の爆発を防止することが
できる。
Since the tip of the lead is located in the storage hole, the effective light emission length is long, and the lead located in the storage hole also holds the ceramic base in the seal part. Since a pore having a diameter smaller than the diameter of the lead penetrating to the outside is formed, the tip of the lead does not protrude from the end of the ceramic base to the outside, and the storage hole is made of an adhesive. Even if it is blocked, an escape path for air in the storage hole is formed, and it is possible to prevent the adhesive from exploding due to air expansion when the adhesive is dried.

〔実施例〕〔Example〕

以下、本考案の実施例を図面にもとずいて説明する。 Embodiments of the present invention will be described below with reference to the drawings.

第1図は本考案の一実施例を示す説明用断面図であり、
同図において、10は長尺な例えば石英ガラス製の管型封
体、11は管型封体10の両端に設けられたシール部、12は
フィラメント、13はシール用金属箔、20は管型封体10の
両端から突出するリード、30は管型封体10のシール部11
に固定された絶縁性ベース、40はリード20に接続された
リード線、50は接着剤である。
FIG. 1 is an explanatory sectional view showing an embodiment of the present invention.
In the figure, 10 is a long tube mold made of, for example, quartz glass, 11 is a seal portion provided at both ends of the tube mold 10, 12 is a filament, 13 is a metal foil for sealing, and 20 is a tube mold. Leads protruding from both ends of the envelope 10, 30 are sealing portions 11 of the tubular envelope 10.
Is an insulating base fixed to, a lead wire connected to the lead 20, and an adhesive 50.

第2図に示すように、絶縁ベース30は、フランジ部32
と、このフランジ部32の一側面に設けられたシール部11
が挿入される二股状のシール部固定部31と、このフラン
ジ部32の反対側面に設けられた棒状の取り付け部33とか
ら成っている。さらに、この棒状の取り付け部33は、リ
ード20の径より大きな径の中空の収納穴34とこれに続く
外部に貫通するリード20の径より小さな径の細孔35を有
している。
As shown in FIG. 2, the insulating base 30 has a flange portion 32.
And the seal portion 11 provided on one side surface of the flange portion 32.
It is composed of a bifurcated seal part fixing part 31 into which is inserted and a rod-shaped mounting part 33 provided on the opposite side surface of the flange part 32. Further, the rod-shaped mounting portion 33 has a hollow storage hole 34 having a diameter larger than the diameter of the lead 20, and a pore 35 having a diameter smaller than the diameter of the lead 20 penetrating to the outside subsequent thereto.

この絶縁性ベース30は、例えばセラミック製で一体的に
形成され、シール部11がシール部固定部31内に位置され
た状態で接着剤50により固定されている。
The insulative base 30 is made of, for example, ceramic and is integrally formed. The insulative base 30 is fixed with an adhesive 50 while the seal portion 11 is positioned inside the seal portion fixing portion 31.

リード線40は、管型封体10の管軸Pに対して横方向に伸
びる姿勢で配置されリード線40の先端がリード20に溶接
により固定され、そして絶縁性ベース30の収納穴34内に
リード20の先端側が挿入されいる。
The lead wire 40 is arranged in a posture that extends in the lateral direction with respect to the tube axis P of the tubular encapsulation body 10, the tip of the lead wire 40 is fixed to the lead 20 by welding, and the lead wire 40 is inserted into the storage hole 34 of the insulating base 30. The tip side of the lead 20 is inserted.

以上の構成の管型白熱電球は、絶縁性ベース30の取り付
け部33により保持された状態で、例えば熱ローラ(図示
せず)の内部空間に挿入配置される。
The tubular incandescent light bulb having the above configuration is inserted and arranged, for example, in the internal space of a heat roller (not shown) while being held by the mounting portion 33 of the insulating base 30.

以上の実施例によれば、リード線40をリード20の溶接
し、リード線40を管型封体10の軸Pに対して横方向に伸
ばし、リード20を絶縁性ベース30の収納穴34内に挿入配
置したので、有効発光長が長くなり、コンパクトな構造
とすることができ、かつ収納穴34内に位置しているリー
ド20がセラミックベース30をシール部11に保持する役目
も果たしており、しかもこの収納穴34に続いて外部に貫
通するリード20の径より小さな径の細孔35が形成されて
いるので、リード20の先端部が絶縁ベース30の端部から
突出することがない。さらに、収納穴34が接着剤50で塞
がれても、空気膨張による接着剤50の爆発を防止するこ
とができる。
According to the above-described embodiment, the lead wire 40 is welded to the lead 20, the lead wire 40 is extended in the lateral direction with respect to the axis P of the tubular encapsulation 10, and the lead 20 is inserted into the storage hole 34 of the insulating base 30. , The effective light emission length is increased, a compact structure can be obtained, and the lead 20 located in the storage hole 34 also serves to hold the ceramic base 30 in the seal portion 11. Moreover, since the pores 35 having a diameter smaller than the diameter of the lead 20 penetrating to the outside are formed following the storage hole 34, the tip end of the lead 20 does not protrude from the end of the insulating base 30. Further, even if the storage hole 34 is blocked with the adhesive 50, the explosion of the adhesive 50 due to air expansion can be prevented.

以上本考案を一実施例に基づいて説明したが、本考案は
上記実施例に限定されず種々変更が可能であり、例え
ば、リード線40をリード20に沿って配置して溶接し、こ
の溶接された部分を収納穴34内に位置させてもよい。
The present invention has been described above based on an embodiment, but the present invention is not limited to the above embodiment, and various modifications can be made. For example, the lead wire 40 is arranged along the lead 20 and welded. The closed portion may be located in the storage hole 34.

〔考案の効果〕[Effect of device]

以上説明したように、本考案によれば、有効発光長が長
くとれるのでコンパクトな構造の白熱電球とすることが
でき、しかも接着剤が未乾燥でもシール部にセラミック
ベースを確実に保持することができ、更に、管型白熱電
球を覆う側板等とセラミックベースの端部との絶縁性を
良好に保つことができ、接着剤乾燥時に空気膨張による
接着剤の爆発がない管型白熱電球とすることができる。
As described above, according to the present invention, the incandescent lamp having a compact structure can be obtained because the effective light emission length can be long, and the ceramic base can be securely held in the seal portion even when the adhesive is not dried. In addition, the tube type incandescent lamp that can maintain good insulation between the side plate that covers the tube type incandescent lamp and the end of the ceramic base, and that does not explode the adhesive due to air expansion when the adhesive is dried. You can

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案の一実施例を示す説明用一部断面図、第
2図は絶縁性ベースの説明図である。 10…管型封体、11…シール部 12…フィラメント、13…シール用金属箔 20…リード、30…絶縁性ベース 31…シール部固定部、32…フランジ部 33…取り付け部、34…収納穴 35…細孔、40…リード線 50…接着剤
FIG. 1 is an explanatory partial sectional view showing an embodiment of the present invention, and FIG. 2 is an explanatory view of an insulating base. 10 ... Tube type sealing body, 11 ... Seal part 12 ... Filament, 13 ... Seal metal foil 20 ... Lead, 30 ... Insulating base 31 ... Seal part fixing part, 32 ... Flange part 33 ... Mounting part, 34 ... Housing hole 35 ... Pore, 40 ... Lead wire 50 ... Adhesive

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】両端にシール部を有する長尺な管型封体
と、該シール部から突出するリードに接続されたリード
線と、該シール部に接着剤にて固定されたセラミックベ
ースとよりなり、 前記セラミックベースは、フランジ部と、該フランジ部
の一側面に設けられた前記シール部が挿入される二股状
のシール部固定部と、該フランジ部の反対側面に設けら
れた棒状の取り付け部とから成り、 前記棒状の取り付け部は、前記リードの径よりも大きな
径の中空の収納穴とこれに続く外部に貫通する前記リー
ドの径より小さな径の細孔を有し、 前記リード線は、管型封体の管軸に対してシール部固定
部の二股の間から直行する方向に導出され、リードの先
端側を前記収納穴に位置させて、シール部固定部に接着
剤を充填したことを特徴とする管型白熱電球。
1. A long tubular encapsulating body having a seal portion at both ends, a lead wire connected to a lead protruding from the seal portion, and a ceramic base fixed to the seal portion with an adhesive. The ceramic base includes a flange portion, a forked seal portion fixing portion into which the seal portion provided on one side surface of the flange portion is inserted, and a rod-shaped attachment provided on the opposite side surface of the flange portion. The rod-shaped attachment portion has a hollow storage hole having a diameter larger than the diameter of the lead and a pore having a diameter smaller than the diameter of the lead penetrating to the outside subsequent thereto, and the lead wire. Is led out in a direction perpendicular to the fork of the sealing part fixing part with respect to the tube axis of the tubular encapsulant, and the tip end side of the lead is positioned in the storage hole, and the sealing part fixing part is filled with adhesive. Tube type incandescent characterized by Sphere.
JP1988151311U 1988-11-22 1988-11-22 Tube incandescent light bulb Expired - Fee Related JPH0723903Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988151311U JPH0723903Y2 (en) 1988-11-22 1988-11-22 Tube incandescent light bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988151311U JPH0723903Y2 (en) 1988-11-22 1988-11-22 Tube incandescent light bulb

Publications (2)

Publication Number Publication Date
JPH0271965U JPH0271965U (en) 1990-05-31
JPH0723903Y2 true JPH0723903Y2 (en) 1995-05-31

Family

ID=31425241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988151311U Expired - Fee Related JPH0723903Y2 (en) 1988-11-22 1988-11-22 Tube incandescent light bulb

Country Status (1)

Country Link
JP (1) JPH0723903Y2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120350U (en) * 1987-01-29 1988-08-04

Also Published As

Publication number Publication date
JPH0271965U (en) 1990-05-31

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