JPH01165541U

JPH01165541U -

Info

Publication number: JPH01165541U
Application number: JP6116888U
Authority: JP
Priority date: 1988-05-11
Filing date: 1988-05-11
Publication date: 1989-11-20

Description

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

第１図は本考案の一実施例の要部を示す断面図
、第２図は従来の真空バルブを示す断面図、第３
図は本考案に関連する予備圧縮工程の説明図、第
４図は予備圧縮工程における従来の真空バルブの
不具合発生の説明図、第５図は第４図と異なる予
備圧縮工程における従来の真空バルブの不具合発
生の説明図である。１…絶縁容器、２ａ，２ｂ…端板、３ａ，３ｂ
…電極、５…固定軸、６…可動軸、２１…軸受、
２１ａ…ツバ部、２２ａ，２２ｂ…接着剤、２３
…突起部。 Fig. 1 is a sectional view showing the main parts of an embodiment of the present invention, Fig. 2 is a sectional view showing a conventional vacuum valve, and Fig. 3 is a sectional view showing the main parts of an embodiment of the present invention.
The figure is an explanatory diagram of the pre-compression process related to the present invention, Fig. 4 is an explanatory diagram of the occurrence of a malfunction in a conventional vacuum valve in the pre-compression process, and Fig. 5 is a diagram of a conventional vacuum valve in a pre-compression process different from that in Fig. 4. FIG. 2 is an explanatory diagram of the occurrence of a problem. 1... Insulating container, 2a, 2b... End plate, 3a, 3b
...electrode, 5...fixed shaft, 6...movable shaft, 21...bearing,
21a...Brim part, 22a, 22b...Adhesive, 23
…protrusion.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

絶縁容器の両端開口部をそれぞれ端板で閉止し
た真空容器の内部に、一対の接離可能な電極を収
納し、この電極にそれぞれ接続され前記真空容器
の外部に導出されて電路を構成する固定軸及び可
動軸を有しており、この可動軸を摺動自在に内挿
した軸受を設け、かつこの軸受はそのツバ部分を
前記一方の端板に内挿して接離固定する構成の真
空バルブに於て、前記軸受のツバ部分表面の外周
部近傍に、同軸状に突出した突起部を設けたこと
を特徴とする真空バルブ。 A pair of separable electrodes is housed inside a vacuum container in which openings at both ends of the insulating container are closed with end plates, and a fixed electrode is connected to each electrode and led out to the outside of the vacuum container to form an electric circuit. A vacuum valve having a shaft and a movable shaft, a bearing in which the movable shaft is slidably inserted, and the bearing has a collar portion inserted into the one end plate to be fixed in contact and separation. A vacuum valve characterized in that a protrusion protruding coaxially is provided near the outer periphery of the surface of the collar portion of the bearing.