JPS58142834U - Vacuum leak indicator for vacuum switch - Google Patents

Vacuum leak indicator for vacuum switch

Info

Publication number
JPS58142834U
JPS58142834U JP3931482U JP3931482U JPS58142834U JP S58142834 U JPS58142834 U JP S58142834U JP 3931482 U JP3931482 U JP 3931482U JP 3931482 U JP3931482 U JP 3931482U JP S58142834 U JPS58142834 U JP S58142834U
Authority
JP
Japan
Prior art keywords
vacuum
housing
switch
leak indicator
vacuum switch
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.)
Pending
Application number
JP3931482U
Other languages
Japanese (ja)
Inventor
西迫　静隆
平木　春海
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP3931482U priority Critical patent/JPS58142834U/en
Publication of JPS58142834U publication Critical patent/JPS58142834U/en
Pending legal-status Critical Current

Links

Landscapes

  • Measuring Fluid Pressure (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来装置の概略を示す正面図、第２図は第１図
の縦断面図、第３図は本考案の実施例の真空バノ、レブ
部を示す断面図、第４図および第５−図は本考案の実施
例要部をそれぞれ拡大して示す断面図である。 ５：固定電極、６：真空バルブ、８：可動電極、２８：
検知用バルブ、２０：表示部材、３１：ばね。 なお図中同一符号は同一または相当部分を示す。Fig. 1 is a front view schematically showing a conventional device, Fig. 2 is a vertical sectional view of Fig. 1, Fig. 3 is a sectional view showing the vacuum vane and rev part of the embodiment of the present invention, Fig. 4, and FIG. 5 is an enlarged sectional view showing the main parts of the embodiment of the present invention. 5: Fixed electrode, 6: Vacuum valve, 8: Movable electrode, 28:
Detection valve, 20: Display member, 31: Spring. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 真空の筐体と、この筐体内に貫挿固定された固定電極と
、上記筐体内の真空を保持しつつこの筐体内に上記固定
電極と接離可能に貫挿支持された可動電極とを備えた真
空開閉器において、上記筐体に出没自在の表示部材を気
密を保持して取付けるとともに、この表示部材には、上
記筐体内の該表示部材に働く真空吸引力が所定値より低
下したとき、上記吸引力に抗して該表示部材を筐体から
の突出位置に付勢する復元力付与手段を設けたことを特
徴とする真空開閉器の真空漏れ表示装置。A vacuum housing, a fixed electrode inserted and fixed in the housing, and a movable electrode inserted and supported in the housing so as to be able to come into contact with and separate from the fixed electrode while maintaining the vacuum in the housing. In the vacuum switch, a display member that can freely appear and retract is attached to the housing in an airtight manner, and the display member is provided with: A vacuum leak indicating device for a vacuum switch, characterized in that a restoring force imparting means is provided for urging the indicating member to a protruding position from the casing against the suction force.
JP3931482U 1982-03-19 1982-03-19 Vacuum leak indicator for vacuum switch Pending JPS58142834U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3931482U JPS58142834U (en) 1982-03-19 1982-03-19 Vacuum leak indicator for vacuum switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3931482U JPS58142834U (en) 1982-03-19 1982-03-19 Vacuum leak indicator for vacuum switch

Publications (1)

Publication Number Publication Date
JPS58142834U true JPS58142834U (en) 1983-09-26

Family

ID=30050604

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3931482U Pending JPS58142834U (en) 1982-03-19 1982-03-19 Vacuum leak indicator for vacuum switch

Country Status (1)

Country Link
JP (1) JPS58142834U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012216325A (en) * 2011-03-31 2012-11-08 Chugoku Electric Power Co Inc:The Tank type vacuum circuit breaker

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53946B2 (en) * 1973-07-20 1978-01-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53946B2 (en) * 1973-07-20 1978-01-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012216325A (en) * 2011-03-31 2012-11-08 Chugoku Electric Power Co Inc:The Tank type vacuum circuit breaker

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