JPS5826447Y2 - electron gun structure - Google Patents

electron gun structure

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Publication number
JPS5826447Y2
JPS5826447Y2 JP12810878U JP12810878U JPS5826447Y2 JP S5826447 Y2 JPS5826447 Y2 JP S5826447Y2 JP 12810878 U JP12810878 U JP 12810878U JP 12810878 U JP12810878 U JP 12810878U JP S5826447 Y2 JPS5826447 Y2 JP S5826447Y2
Authority
JP
Japan
Prior art keywords
electron gun
stem
inner lead
lug plate
welding
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
Application number
JP12810878U
Other languages
Japanese (ja)
Other versions
JPS5545124U (en
Inventor
通夫 秋山
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP12810878U priority Critical patent/JPS5826447Y2/en
Publication of JPS5545124U publication Critical patent/JPS5545124U/ja
Application granted granted Critical
Publication of JPS5826447Y2 publication Critical patent/JPS5826447Y2/en
Expired legal-status Critical Current

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Description

【考案の詳細な説明】 本考案は電子銃構体に係り、特に複数個の電極からなる
電子銃をこれら電極を支持する絶縁支持体に植設された
ステムラグ板を効果的にステムに植設されたステムイン
ナーリードに溶接することが可能な電子銃構体の構造に
関するものである。
[Detailed Description of the Invention] The present invention relates to an electron gun structure, and more particularly, the present invention relates to an electron gun structure in which an electron gun consisting of a plurality of electrodes is effectively embedded in a stem with a stem lug plate embedded in an insulating support that supports these electrodes. This invention relates to the structure of an electron gun assembly that can be welded to a stem inner lead.

陰極線管、例えはカラー受像管の電子銃構体の前記カラ
ー受像管のネック内の位置は極めて重要であり、前記電
子銃構体とシャドウマスクを介した螢光面との距離、管
軸と銃軸の不一致や回転により、ランテング、ピユリテ
ィ フォーカスなどの特性を劣化させることは公知であ
る。
The position of the electron gun assembly of a cathode ray tube, for example a color picture tube, within the neck of the color picture tube is extremely important, including the distance between the electron gun assembly and the fluorescent surface via the shadow mask, the tube axis and the gun axis. It is well known that mismatch or rotation of the images causes deterioration of properties such as running and focus.

通常カラー受像管に於ては内面にそれぞれ異なる発光色
を示す螢光体層が親日11正しく被着形成されたフェー
スプレートと、前記螢光体層に所定間隔をもって対設さ
れた色選別電極と、前記フェースプレートにファンネル
を介して連接されたネックとからなる管軸を有するカラ
ー受像管の半或品の前記ネックの開放端部から電子銃構
体を挿入し、前記電子銃構体の一部であるステムを仲介
として位置合せし、次に前記ネックと前記ステムとを溶
着したのち、このステムに設けられた排気管によりカラ
ー受像管管内を高真空に排気し封止を行なって製品を完
成している。
Normally, a color picture tube has a face plate on which a phosphor layer emitting different colors of light is properly adhered to the inner surface, and a color selection electrode that is opposed to the phosphor layer at a predetermined distance. , inserting an electron gun assembly through the open end of the neck of a color picture tube half having a tube shaft consisting of a neck connected to the face plate via a funnel, and inserting the electron gun assembly into the part of the electron gun assembly. After aligning using a certain stem as an intermediary and then welding the neck and stem, the interior of the color picture tube is evacuated to a high vacuum using an exhaust pipe provided on the stem and sealed to complete the product. ing.

前述の様に電子銃の銃軸を管軸に合せたり、螢光面との
距離を所定の値にする極めて重要な役をするステムに電
子銃を載置固定した電子銃構体の従来例を第1図によっ
て説明する。
As mentioned above, this is a conventional example of an electron gun assembly in which the electron gun is mounted and fixed on the stem, which plays an extremely important role in aligning the gun axis of the electron gun with the tube axis and keeping the distance from the fluorescent surface to a predetermined value. This will be explained with reference to FIG.

即ちヒータ1を内装する陰極2と、この陰極2の熱電子
放出面にそれぞれ電子ビーム通孔部を有する第1グリツ
ド3、第2グリツド4及び第3グリツド5がそれぞれ銃
軸Zに直角方向に所望間隔をもって対設されるように、
各支持片11,2□、3.,4□及び5、が前記銃軸Z
にほぼ沿うように設けられた2本または4本の絶縁支持
体6に植設されて電子銃7を形威し、前記絶縁支持体6
の一端部近傍には後述するインナーリードに溶接する溶
接面8、が略銃軸Zに沿う方向になるようにラグ板8が
植設されている。
That is, a cathode 2 housing a heater 1 therein, and a first grid 3, a second grid 4, and a third grid 5 each having an electron beam hole in the thermionic emission surface of the cathode 2 are arranged in a direction perpendicular to the gun axis Z. so that they are placed opposite each other with the desired spacing.
Each support piece 11, 2□, 3. , 4□ and 5 are the gun axis Z
The electron gun 7 is implanted in two or four insulating supports 6 provided substantially along the insulating supports 6.
A lug plate 8 is installed near one end of the lug plate 8 so that a welding surface 8 to be welded to an inner lead (described later) is in a direction substantially along the gun axis Z.

更に前述した電子銃7を載置固定するステム9には中央
に排気管10が設けられており、また周縁部には前記各
電極に所定の電圧を印加するステムピン11及びインナ
ーリード12(ステムピンとインナーリードは併用され
ることが多い)が、植設されており、このインナーリー
ド12に前記ラグ板8の溶接面8□を正確に溶接点14
にて溶接し、例えばステム9の一生面15に対して前記
銃軸Zが中心でかつ垂直方向になるようにして電子銃構
体を完成する。
Further, the stem 9 on which the electron gun 7 is mounted and fixed is provided with an exhaust pipe 10 in the center, and a stem pin 11 and an inner lead 12 (stem pin and An inner lead (often used in combination) is implanted, and the welding surface 8□ of the lug plate 8 is precisely connected to the welding point 14 on this inner lead 12.
The electron gun assembly is completed by welding, for example, so that the gun axis Z is centered and perpendicular to the life surface 15 of the stem 9.

この場合ステムに対する電子銃の銃軸に直角な面上の回
転及び電子銃と一生面との距離も正確に測定されること
は勿論である。
In this case, it goes without saying that the rotation of the electron gun relative to the stem on a plane perpendicular to the gun axis and the distance between the electron gun and the life plane can also be accurately measured.

次に第1図に示す様な電子銃構体の製造方法を第2図乃
至第5図によって説明する。
Next, a method of manufacturing an electron gun assembly as shown in FIG. 1 will be explained with reference to FIGS. 2 to 5.

第2図に示す様にインナーリード12が所定寸法に切断
済でかつ所定方向12□に曲げられたフォームドステム
9を使用した場合に、このフォームドステム9と、電子
銃7の中心線即ち銃軸及び角度を治具、などを使用して
合わせる。
As shown in FIG. 2, when using a formed stem 9 in which the inner lead 12 has been cut to a predetermined size and bent in a predetermined direction 12□, the formed stem 9 and the center line of the electron gun 7, i.e. Adjust the gun axis and angle using a jig, etc.

この時はステム9と電子銃7との間隔は所定値より離し
ておく。
At this time, the distance between the stem 9 and the electron gun 7 is kept greater than a predetermined value.

次に第3図に示す様に電子銃7を所定位置まで銃軸及び
角度を変えることなく近づけ、次に第4図に示すように
インナーリードを実線の位置12□から破線の位置12
゜に来るように成形しこのインナーリード12□をラグ
板8の溶接面8、に近づける。
Next, as shown in FIG. 3, bring the electron gun 7 close to a predetermined position without changing the gun axis and angle, and then move the inner lead from the solid line position 12□ to the broken line position 12 as shown in FIG.
The inner lead 12□ is shaped so that it comes to an angle of .degree., and the inner lead 12□ is brought close to the welding surface 8 of the lug plate 8.

この場合インナーリードを位置12、から位置122に
曲げる時、銃軸が変化しないようにしなければならない
In this case, when bending the inner lead from position 12 to position 122, the gun axis must not change.

その為にはインナーリード122と溶接面8□の間隔は
大体Q、5mm位に保持することが望ましい。
For this purpose, it is desirable to maintain the distance between the inner lead 122 and the welding surface 8□ at approximately Q, 5 mm.

最後に第5図に示すようにラグ板8の溶接面8□とイン
ナーリード12□を溶接電極21.22にて挟持し、溶
接点14で溶接することにより電子銃構体を完成する。
Finally, as shown in FIG. 5, the welding surface 8□ of the lug plate 8 and the inner lead 12□ are held between the welding electrodes 21 and 22 and welded at the welding point 14 to complete the electron gun assembly.

然るに前述した構造を有する電子銃構体に於ては、次の
様な欠点がある。
However, the electron gun assembly having the above-described structure has the following drawbacks.

即ちインナーリード12を曲げる量が必要以上に大きく
、また曲げる回数も必要以上に多くなり、通常2本乃至
4本あるインナーリード12のフォーミングによりラグ
板8に合せる作業は手作業で行なっているため精度にば
らつきが入るため、これを見込んで前述した様に2回以
上フォーミングを曲げる量を大きくして行なっているが
、このためステム9を形成するガラスにクラックが入る
危険性が大きいばかりでなく、出来上った電子銃構体に
も誤差がでやすくなる欠点か゛ある。
In other words, the amount of bending of the inner leads 12 is greater than necessary, and the number of bends is also greater than necessary, and the work of forming the two to four inner leads 12 to fit them to the lug plate 8 is done manually. Since there will be variations in accuracy, we have increased the amount of bending at least twice as described above in anticipation of this, but this not only increases the risk of cracks in the glass that forms the stem 9. However, the completed electron gun structure also has the drawback of being prone to errors.

本考案は前記欠点に鑑みなされたものであり、インナー
リード12のフォーミングを行なうことなく正確に組立
てることが可能な電子銃構体の構造に関するものである
The present invention has been devised in view of the above-mentioned drawbacks, and relates to a structure of an electron gun assembly that can be assembled accurately without forming the inner leads 12.

次に本考案の電子銃構体の第1の実施例を第6図によっ
て説明する。
Next, a first embodiment of the electron gun assembly of the present invention will be described with reference to FIG.

図中従来例と同一符号は同一部分を示す。In the figure, the same reference numerals as in the conventional example indicate the same parts.

即ちヒータ1を内装する陰極2と、この陰極2の熱電子
放出面にそれぞれ電子ビーム通孔部を有する第1グリツ
ド3、第2グリツド4及び゛第3グ1ツド5がそれぞれ
銃軸Zに直角方向に所望間隔をもって対設されるように
、各支持片10,2□、 31.41及び5、が前記銃
軸Zにほぼ沿うように設けられた2本乃至4本の絶縁支
持体6に植設されて電子銃27を形成し、前記絶縁支持
体6の一端部近傍には後述するインナーリードに溶接す
る溶接面281が略銃軸Zに対し角度θを持つようにラ
グ板28が植設されている。
That is, a cathode 2 in which the heater 1 is housed, and a first grid 3, a second grid 4, and a third grid 5 each having an electron beam hole in the thermionic emission surface of the cathode 2 are attached to the gun axis Z. Two to four insulating supports 6, each of which has support pieces 10, 2□, 31, 41, and 5, are provided substantially along the gun axis Z so as to be opposed to each other at a desired interval in the right angle direction. A lug plate 28 is installed near one end of the insulating support 6 so that a welding surface 281 to be welded to an inner lead, which will be described later, has an angle θ with respect to the gun axis Z. It is planted.

更に前述した電子銃27を載置固定するステム9には中
央に排気管10が設けられており、また周縁部には前記
各電極に所定の電圧を印加するステムピン11及びイン
ナーリード12(ステムピンとインナーリードは併用さ
れることが多い)が植設されており、このインナーリー
ド12に前記ラグ板28の溶接面28□を正確に溶接点
14にて溶接し、例えばステム9の一主面15に対して
前記銃軸Zが中心でかつ垂直方向になるようにして電子
銃構体を完成する。
Further, the stem 9 on which the electron gun 27 is mounted and fixed is provided with an exhaust pipe 10 in the center, and a stem pin 11 and an inner lead 12 (stem pin and The welding surface 28□ of the lug plate 28 is accurately welded to the inner lead 12 at the welding point 14, for example, one main surface 15 of the stem 9. The electron gun assembly is completed so that the gun axis Z is centered and perpendicular to the electron gun.

次に第6図に示す様な電子構体の製造方法を第7図乃至
第9図によって説明する。
Next, a method of manufacturing an electronic structure as shown in FIG. 6 will be explained with reference to FIGS. 7 to 9.

この場合にはインナーリード12が所定寸法に切断済で
従来のように所定方向には曲げられていない直線状のフ
ォームドステム9を使用する。
In this case, a straight formed stem 9 is used in which the inner lead 12 has been cut to a predetermined size and is not bent in a predetermined direction as in the conventional case.

このフォームドステム9と電子銃27の中心線即ち銃軸
及び角度を治具などを使用して合わせる。
The center line, that is, the gun axis and angle of the formed stem 9 and the electron gun 27 are aligned using a jig or the like.

この時はステム9と電子銃27との間隔は所定値より離
しておく。
At this time, the distance between the stem 9 and the electron gun 27 is kept greater than a predetermined value.

次に第8図に示す様に電子銃27を所定位置まで銃軸及
び角度を変えることなく近づけると前記溶接面28□が
傾斜しているのでこれに沿って前記インナーリード12
が新曲し、第9図の拡大図に示すように位置12より位
置12、に斜めに摺動して動くので電子銃27が所定位
置に来たとき、即ちインナーリードが位置121に来た
時ラグ板28とインナーリード12□を溶接電極21゜
22にて挾持し溶接点14(第6図参照)にて溶接する
ことにより電子銃構体を完成する。
Next, as shown in FIG. 8, when the electron gun 27 is brought close to a predetermined position without changing the gun axis or angle, the welding surface 28□ is inclined, so the inner lead 12 is
When a new song is played, the electron gun 27 slides diagonally from position 12 to position 12, as shown in the enlarged view of FIG. The electron gun assembly is completed by sandwiching the lug plate 28 and the inner lead 12□ with the welding electrodes 21° 22 and welding them at the welding point 14 (see FIG. 6).

本実施例の様な構造を持つことにより従来の様にインナ
ーリード12を必要以上に大きく曲げることもなく、ま
た曲げる回数もなくなり、単にインナーリード12の長
さをそろえることにより簡単に電子銃構体を作ることが
出来るのでステムのクラックやインナーリード12の加
工硬化もなく特性の良い電子銃構体を得ることが出来る
With the structure of this embodiment, the inner lead 12 does not need to be bent more than necessary, unlike conventional methods, and there is no need to bend the inner lead 12 many times. By simply aligning the length of the inner lead 12, the electron gun structure can be easily assembled. Therefore, an electron gun structure with good characteristics can be obtained without cracks in the stem or work hardening of the inner lead 12.

次に本考案の第2の実施例について第10図により説明
する。
Next, a second embodiment of the present invention will be described with reference to FIG.

この実施例と第1実施例との差は電子銃37に固定する
ラグ板38の溶接面38、の所定位置にインナーリード
のストッパー382を形成したものであり、この様な構
造を取ることにより、複数個の絶縁支持体6に正確にラ
グ板38を植設することにより電子銃37とステム9の
例えば−主面15からの基準が取り易いことは説明する
迄もない。
The difference between this embodiment and the first embodiment is that an inner lead stopper 382 is formed at a predetermined position on the welding surface 38 of the lug plate 38 fixed to the electron gun 37. Needless to say, by accurately mounting the lug plates 38 on the plurality of insulating supports 6, it is easy to take the reference from, for example, the main surface 15 of the electron gun 37 and the stem 9.

次に本考案の第3の実施例に適応するラグ板を第11図
によって説明する。
Next, a lug plate adapted to the third embodiment of the present invention will be explained with reference to FIG.

即ちラグ板48はインナーリードのガイドとなる凹溝4
9が形成された溶接面48□が絶縁支持体(図示せず)
に植設する支持部50と略直角方向に、かつ傾斜して形
成されており、この様なラグ板48を絶縁支持体に植設
したのち前記凹溝49をガイドとしてインナーリードを
摺動することにより自動的に位置合せの出来た電子銃構
体を得ることが出来る。
That is, the lug plate 48 has a concave groove 4 that serves as a guide for the inner lead.
The welding surface 48□ on which 9 is formed is an insulating support (not shown)
The lug plate 48 is formed to be inclined and substantially perpendicular to the support portion 50 to be implanted in the insulating support member.After such a lug plate 48 is implanted in the insulating support member, the inner lead is slid using the groove 49 as a guide. This makes it possible to obtain an electron gun assembly that can be automatically aligned.

前記実施例のほか、第2の実施例の溶接面にインナーリ
ードのガイドを設けたりすることも可能であり、簡単に
、かつ精度よく電子銃構体を形成することが出来るので
本考案の工業的価値は極めて大である。
In addition to the above-mentioned embodiment, it is also possible to provide an inner lead guide on the welding surface of the second embodiment, and the electron gun structure can be easily and precisely formed. The value is extremely great.

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

第1図は従来の電子銃構体の要部立面図、第2図乃至第
5図は第1図の電子銃構体の製造過程を示す図であり、
第2図は電子銃とステムの軸合せ工程を示す分解立面図
、第3図は電子銃とステムを所定位置迄近接させる工程
を示す立面図、第4図はラグ板にインナーリードを近接
させる工程を示す要部拡大立面図、第5図はラグ板とイ
ンナーノードを溶接する工程を示す要部拡大説明図、第
6図は本考案の電子銃構体の第1の実施例を示す要部立
面図、第7図乃至第9図は第6図の電子銃構体の製造過
程を示す図であり、第7図は電子銃とステムの軸合せ工
程を示す分解立面図、第8図は電子銃とステムを所定位
置迄近接させる工程を示す立面図、第9図はラグ板にイ
ンナーリードを溶接する工程を示す要部拡大説明図、第
10図は本考案の電子銃構体の第2の実施例を示す要部
立面図、第11図は本考案の電子銃構体の第3の実施例
に適応するラグ板の構造を示す斜視図である。 7.27.37・・・・・・電子銃、8.28,38.
48・・・・・・ラグ板、9・・・・・・ステム、12
,12..122・・・・・・インナーリード、21゜
22・・・・・・溶接電極。
FIG. 1 is an elevation view of main parts of a conventional electron gun assembly, and FIGS. 2 to 5 are diagrams showing the manufacturing process of the electron gun assembly of FIG.
Figure 2 is an exploded elevation view showing the process of aligning the electron gun and stem, Figure 3 is an elevation view showing the process of bringing the electron gun and stem close to each other to a predetermined position, and Figure 4 is an exploded elevation view showing the process of aligning the electron gun and stem to a predetermined position. FIG. 5 is an enlarged elevational view of the main parts showing the process of welding the lug plate and the inner node, and FIG. 6 shows the first embodiment of the electron gun assembly of the present invention. 7 to 9 are views showing the manufacturing process of the electron gun assembly shown in FIG. 6, and FIG. 7 is an exploded elevation view showing the process of aligning the electron gun and the stem. Fig. 8 is an elevational view showing the process of bringing the electron gun and stem close to a predetermined position, Fig. 9 is an enlarged explanatory view of the main part showing the process of welding the inner lead to the lug plate, and Fig. 10 is the electron gun of the present invention. FIG. 11 is a perspective view showing the structure of a lug plate adapted to the third embodiment of the electron gun assembly of the present invention. 7.27.37...Electron gun, 8.28,38.
48...Lug plate, 9...Stem, 12
,12. .. 122...Inner lead, 21°22...Welding electrode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数個の電極が銃軸に直角方向に所望間隔をもって植設
された絶縁支持体と、前記絶縁支持体の一端部または一
端部近傍に植設されたラグ板と、前記ラグ板に溶接され
るインナーリードが植設されたステムとからなる電子銃
構体に於て、前記ラグ板の前記インナーリードとの溶接
面が前記銃軸に対し傾斜されていることを特徴とする電
子銃構体。
an insulating support in which a plurality of electrodes are implanted at desired intervals in a direction perpendicular to the gun shaft; a lug plate implanted at or near one end of the insulating support; and welded to the lug plate. 1. An electron gun assembly comprising a stem having an inner lead implanted therein, wherein a welding surface of the lug plate to the inner lead is inclined with respect to the gun axis.
JP12810878U 1978-09-20 1978-09-20 electron gun structure Expired JPS5826447Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12810878U JPS5826447Y2 (en) 1978-09-20 1978-09-20 electron gun structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12810878U JPS5826447Y2 (en) 1978-09-20 1978-09-20 electron gun structure

Publications (2)

Publication Number Publication Date
JPS5545124U JPS5545124U (en) 1980-03-24
JPS5826447Y2 true JPS5826447Y2 (en) 1983-06-08

Family

ID=29091486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12810878U Expired JPS5826447Y2 (en) 1978-09-20 1978-09-20 electron gun structure

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Country Link
JP (1) JPS5826447Y2 (en)

Also Published As

Publication number Publication date
JPS5545124U (en) 1980-03-24

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