JPH0348828U

JPH0348828U -

Info

Publication number: JPH0348828U
Application number: JP10944689U
Authority: JP
Priority date: 1989-09-19
Filing date: 1989-09-19
Publication date: 1991-05-10

Description

[Brief explanation of the drawing]

第１図は本考案によるアークシールドの真空容
器内保持構造の一実施例を示す真空バルブの縦断
面図、第２図は第１図の断面−位置から要部
をみた平面図、第３図は第１図における支持部材
の単体図であつてａは−線に沿う正面断面図
、ｂは平面図である。第４図は第１図における保
持部材の単体図であつてａは側面図、ｂは正面図
である。第５図は従来例によるアークシールドの
保持構造を示す真空バルブの縦断面図、第６図は
第５図の断面−位置から要部をみた平面図で
ある。１，１４……絶縁筒、２，３……蓋板、４，１
８……真空容器、５……固定接触子、６……可動
接触子、７，１７……アークシールド、１２，１
５……支持部材、１３，１６……保持部材。 Fig. 1 is a longitudinal sectional view of a vacuum valve showing an embodiment of the structure for holding an arc shield in a vacuum vessel according to the present invention, Fig. 2 is a plan view of the main parts seen from the cross-sectional position of Fig. 1, and Fig. 3. 1 is a standalone view of the support member in FIG. 1, in which a is a front sectional view taken along the - line, and b is a plan view. FIG. 4 is a single view of the holding member in FIG. 1, in which a is a side view and b is a front view. FIG. 5 is a vertical cross-sectional view of a vacuum valve showing a conventional arc shield holding structure, and FIG. 6 is a plan view of the main parts viewed from the cross-sectional position of FIG. 5. 1, 14... Insulating tube, 2, 3... Lid plate, 4, 1
8... Vacuum container, 5... Fixed contact, 6... Movable contact, 7,17... Arc shield, 12,1
5... Supporting member, 13, 16... Holding member.

Claims

[Scope of utility model registration request]

a pair of contacts that can be moved into and out of contact within a sealed cylindrical vacuum container; and a pair of contacts that are inserted from an axially intermediate position of the wall of the cylindrical vacuum container through a holding member. In a vacuum valve equipped with an arc shield that surrounds the arc shield and is held in the vacuum vessel, both ends of the arc shield are folded back and curled outward over the entire circumference, and the axis of the vacuum vessel wall is attached to the curled portion. A vacuum valve characterized in that a holding member supported by a supporting member located midway in the direction is fitted to hold an arc shield in a vacuum container.