JPS601487Y2 - Cathode structure for magnetron - Google Patents
Cathode structure for magnetronInfo
- Publication number
- JPS601487Y2 JPS601487Y2 JP11384478U JP11384478U JPS601487Y2 JP S601487 Y2 JPS601487 Y2 JP S601487Y2 JP 11384478 U JP11384478 U JP 11384478U JP 11384478 U JP11384478 U JP 11384478U JP S601487 Y2 JPS601487 Y2 JP S601487Y2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- end plate
- lead wire
- stem lead
- cathode end
- 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
Links
Landscapes
- Microwave Tubes (AREA)
Description
【考案の詳細な説明】
本考案は、螺旋状の陰極と、この陰極の一端縁を支持す
る第１の陰極端板と、前記陰極の他端縁を支持するため
に前記陰極端板と向き合って配置された第２の陰極端板
と、前記第１の陰極端板に内端縁を固着した第１のステ
ムリード線と、前記第１の陰極端板および前記陰極を接
触することなく貫通して前記第２の陰極端板に内端縁を
固着した第２のステムリード線とを備えてなるマグネト
ロン用陰極構体に係り、前記第１のステムリード線の内
端縁に形成した溝内に前記第１の陰極端板の一部分を埋
入させるとともに、この埋入の部分を溶融することによ
って前記第１のステムリード線と前記第１の陰極端板と
前記陰極との一体的結合効果を得たものである。[Detailed description of the invention] The present invention includes a spiral cathode, a first cathode end plate supporting one end edge of the cathode, and a first cathode end plate facing the cathode end plate supporting the other end edge of the cathode. a first stem lead wire having an inner edge fixed to the first cathode end plate, and a first stem lead wire that passes through the first cathode end plate and the cathode without contacting the second cathode end plate; and a second stem lead wire having an inner end fixed to the second cathode end plate, the magnetron cathode assembly comprising: a second stem lead wire having an inner end fixed to the second cathode end plate; By embedding a part of the first cathode end plate in the cell and melting the embedded part, the first stem lead wire, the first cathode end plate, and the cathode can be integrally bonded. This is what I got.
−Ｓに、直熱形マグネトロンに用いられる陰極構体は第
１図に示すように構成され、トリウムタングステンから
なる螺旋状の陰極１は、その一端縁に設けられた第１の
陰極端板２および他端縁に設けられた第２の陰極端板３
によって支持される。-S, the cathode assembly used in the directly heated magnetron is constructed as shown in FIG. Second cathode end plate 3 provided on the other end edge
Supported by
そして、第１の陰極端板２は第１のステムリード線４の
内端縁に鑞着され、第２の陰極端板３は第１の陰極端板
２および陰極１を接触することなく貫通した第２のステ
ムリード線５の内端縁に鑞着される。The first cathode end plate 2 is brazed to the inner edge of the first stem lead wire 4, and the second cathode end plate 3 passes through the first cathode end plate 2 and the cathode 1 without contacting them. The second stem lead wire 5 is soldered to the inner end edge of the second stem lead wire 5.
なお、６は鑞材層を示し、第１．第２の陰極端板２，３
および第１．第２のステムリード線４，５はモリブデン
等の高融点金属からなる。In addition, 6 indicates a brazing material layer, and the 1st. Second cathode end plate 2, 3
and 1st. The second stem lead wires 4 and 5 are made of a high melting point metal such as molybdenum.
このように構成された従来のマグネトロン用陰極構体に
おいては、第２の陰極端板３の第２のステムリード線５
との接合部面積を比較的大きくとり得るのに対し、第１
の陰極端板２と第１のステムリード線４との接合部面積
は不足勝ちとなり、陰極構体に変形や破損を生じやすい
という欠点があった。In the conventional magnetron cathode assembly configured in this way, the second stem lead wire 5 of the second cathode end plate 3
While the joint area with the first
The joint area between the cathode end plate 2 and the first stem lead wire 4 is insufficient, and the cathode structure is easily deformed and damaged.
また、鑞付は時に第１の陰極端板２、第１のステムリー
ド線４および陰極１を鑞材とともに所定の関係位置に保
持させる作業および治具が複雑となり、製造能率が低い
という欠点もあった。In addition, brazing sometimes requires complicated work and jigs to hold the first cathode end plate 2, first stem lead wire 4, and cathode 1 together with the solder material in predetermined relative positions, resulting in low manufacturing efficiency. there were.
本考案は前述の諸点に鑑みてなされたもので、本考案の
マグネトロン用陰極溝体を以下図面に示す実施例ととも
に説明する。The present invention has been made in view of the above-mentioned points, and the cathode groove body for a magnetron according to the present invention will be described below along with embodiments shown in the drawings.
第２図において、モリブデンから第１のステムリード線
１４はその内端縁に溝１５を有し、この溝１５内にモリ
ブデンからなる第１の陰極端板１２の０．４ｗＩＬ〜０
．５１１ｒＩｎ厚のつば部１３が挿し込まれている。In FIG. 2, the first stem lead wire 14 made of molybdenum has a groove 15 at its inner edge, and in this groove 15, the first cathode end plate 12 made of molybdenum is inserted between 0.4wIL and 0.
．． A collar portion 13 having a thickness of 511rIn is inserted.
このような嵌合状態において矢印Ａの方向へ溶接棒また
はアークを与えて第１のステムリード線１４と第１の陰
極端板１２との嵌合部付近を溶融し、第３図にＢで示す
ような変形部を形成すると、第１のステムリード線１４
と第１の陰極端板１２と陰極１の一端縁とが鑞材を用い
ることなく一体的に結合される。In such a fitted state, a welding rod or an arc is applied in the direction of arrow A to melt the area around the fitting part between the first stem lead wire 14 and the first cathode end plate 12, and as shown in FIG. When the deformed portion as shown is formed, the first stem lead wire 14
The first cathode end plate 12 and one end edge of the cathode 1 are integrally joined without using a solder.
前記実施例では、第１のステムリード線１４の内端縁に
設ける溝１５を、このステムリード線１４の直径方向に
形成したが、第４図に示すように第１のステムリード線
１４の内端縁を直角に折り曲げるときは、このステムリ
ード線１４の長さ方向に溝１５を形成する。In the embodiment described above, the groove 15 provided on the inner edge of the first stem lead wire 14 was formed in the diametrical direction of the stem lead wire 14, but as shown in FIG. When the inner end edge is bent at a right angle, a groove 15 is formed in the length direction of the stem lead wire 14.
そして、この場合も第１のステムリード線１４と第１の
陰極端板１２とを溶融して、その変形部に陰極１の一端
縁を埋設させて結合する。In this case as well, the first stem lead wire 14 and the first cathode end plate 12 are melted, and one end edge of the cathode 1 is embedded in the deformed portion thereof to be bonded.
以上のように、本考案のマグネトロン用陰極構体におい
ては、第１のステムリード線の内端縁に形成した溝内に
第１の陰極端板の一部分を埋入させ、この埋入の部分を
溶融して第１のステムリード線と第１の陰極端板と陰極
とを一体に結合せしめるのであり、第１のステムリード
線と第１の陰極端板と陰極とを、鑞材を用いることなく
きわめて堅固にしかも簡便に結合させることができる。As described above, in the magnetron cathode structure of the present invention, a part of the first cathode plate is embedded in the groove formed in the inner edge of the first stem lead wire, and this embedded part is The first stem lead wire, the first cathode end plate, and the cathode are bonded together by melting, and the first stem lead wire, the first cathode end plate, and the cathode are bonded together using a soldering material. It can be bonded extremely firmly and easily.
第１図は従来のマグネトロン用陰極構体の側断面図、第
２図は本考案を実施したマグネトロン用陰極構体の要部
の側断面図、第３図は同要部の斜視図、第４図は本考案
の他の実施例の要部側断面図である。
１・・・・・・陰極、２，１２・・・・・・第１の陰極
端板、３・・・・・・第２の陰極端板、４・・・・・・
第１のステムリード線、５．１４・・・・・・第２のス
テムリード線、１５・・・・・・溝。Fig. 1 is a side sectional view of a conventional cathode assembly for a magnetron, Fig. 2 is a sectional side view of a main part of a cathode assembly for a magnetron in which the present invention is implemented, Fig. 3 is a perspective view of the main part, and Fig. 4 FIG. 2 is a side sectional view of a main part of another embodiment of the present invention. 1... Cathode, 2, 12... First cathode end plate, 3... Second cathode end plate, 4...
First stem lead wire, 5.14...Second stem lead wire, 15...Groove.
Claims (1)
端板と、前記陰極の他端縁を支持するために前記陰極端
板と向き合って配置された第２の陰極端板と、前記第１
の陰極端板に内端縁を固着した第１のステムリード線と
、前記第１の陰極端板および前記陰極を接触することな
く貫通して前記第２の陰極端板に内端縁を固着した第２
のステムリード線とを備え、前記第１のステムリード線
の内端縁に形成した溝内に前記第１の陰極端板の一部分
を埋入させこの埋入の部分を溶融して前記第１のステム
リード線と前記第１の陰極端板と前記陰極とを一体に結
合せしめてなることを特徴とするマグネトロン用陰極構
体。a spiral cathode; a first cathode end plate supporting one end edge of the cathode; and a second cathode end plate disposed facing the cathode end plate supporting the other end edge of the cathode. , said first
a first stem lead wire whose inner end edge is fixed to the cathode end plate; and a first stem lead wire which passes through the first cathode end plate and the cathode without contacting and whose inner end edge is fixed to the second cathode end plate. The second
a stem lead wire, a part of the first cathode end plate is embedded in a groove formed in the inner edge of the first stem lead wire, and this embedded part is melted to form the first cathode end plate. A cathode structure for a magnetron, characterized in that the stem lead wire, the first cathode end plate, and the cathode are integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11384478U JPS601487Y2 (en) | 1978-08-18 | 1978-08-18 | Cathode structure for magnetron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11384478U JPS601487Y2 (en) | 1978-08-18 | 1978-08-18 | Cathode structure for magnetron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5538401U JPS5538401U (en) | 1980-03-12 |
| JPS601487Y2 true JPS601487Y2 (en) | 1985-01-16 |
Family
ID=29064044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11384478U Expired JPS601487Y2 (en) | 1978-08-18 | 1978-08-18 | Cathode structure for magnetron |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS601487Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0570305U (en) * | 1992-02-28 | 1993-09-24 | 株式会社ハタナカ | Sandals insole |
| JPH0661103U (en) * | 1993-02-12 | 1994-08-30 | 株式会社ハタナカ | Sandals insole |
-
1978
- 1978-08-18 JP JP11384478U patent/JPS601487Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5538401U (en) | 1980-03-12 |
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