JPS5826138U - Pumping prevention valve for hydraulic operating device for circuit breaker - Google Patents

Pumping prevention valve for hydraulic operating device for circuit breaker

Info

Publication number
JPS5826138U
JPS5826138U JP12077581U JP12077581U JPS5826138U JP S5826138 U JPS5826138 U JP S5826138U JP 12077581 U JP12077581 U JP 12077581U JP 12077581 U JP12077581 U JP 12077581U JP S5826138 U JPS5826138 U JP S5826138U
Authority
JP
Japan
Prior art keywords
circuit breaker
pumping
operating device
hydraulic operating
prevention valve
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.)
Granted
Application number
JP12077581U
Other languages
Japanese (ja)
Other versions
JPS6318112Y2 (en
Inventor
川上　秀雄
Original Assignee
株式会社明電舎
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP12077581U priority Critical patent/JPS5826138U/en
Publication of JPS5826138U publication Critical patent/JPS5826138U/en
Application granted granted Critical
Publication of JPS6318112Y2 publication Critical patent/JPS6318112Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (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 the drawing]

第１図は、この考案に係るポンピング防止装置を備えた
しゃ断器用油圧操作装置の説明図、第２図、第３図はこ
の考案に係る装置の従来技術の断面説明図、第４図、第
５図はこの考案に係る装置・の断面説明図である。 °　７・・・・・・ポンピング防止弁、７ａ・・開弁ケ
ース、４２．４４・・・・・・逆止弁、１・・・・・・
所定量。FIG. 1 is an explanatory diagram of a hydraulic operating device for a circuit breaker equipped with a pumping prevention device according to this invention, FIGS. FIG. 5 is an explanatory cross-sectional view of the device according to this invention. ° 7...Pumping prevention valve, 7a...Valve opening case, 42.44...Check valve, 1...
Predetermined amount.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンピング防止弁７の油室内に油を圧送するための油路
の連部に、前記油室方向にのみ油を圧送可能の逆止弁４
２，４４を配設してなるしゃ断器用油圧操作装置のポン
ピング防止弁にして、弁ケース７ａの連部に、前記逆止
弁４２，４４を所定量１移動自在に嵌装したことを特徴
とするしゃ断器用油圧操作装置のポンピング防止装置。A check valve 4 capable of pumping oil only in the direction of the oil chamber is provided in a continuous portion of the oil passage for pumping oil into the oil chamber of the pumping prevention valve 7.
2 and 44, the check valves 42 and 44 are fitted in a connecting part of the valve case 7a so as to be movable by a predetermined amount. Pumping prevention device for hydraulic operating device for circuit breaker.
JP12077581U 1981-08-14 1981-08-14 Pumping prevention valve for hydraulic operating device for circuit breaker Granted JPS5826138U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12077581U JPS5826138U (en) 1981-08-14 1981-08-14 Pumping prevention valve for hydraulic operating device for circuit breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12077581U JPS5826138U (en) 1981-08-14 1981-08-14 Pumping prevention valve for hydraulic operating device for circuit breaker

Publications (2)

Publication Number Publication Date
JPS5826138U true JPS5826138U (en) 1983-02-19
JPS6318112Y2 JPS6318112Y2 (en) 1988-05-23

Family

ID=29914751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12077581U Granted JPS5826138U (en) 1981-08-14 1981-08-14 Pumping prevention valve for hydraulic operating device for circuit breaker

Country Status (1)

Country Link
JP (1) JPS5826138U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111863U (en) * 1985-12-30 1987-07-16
JPS6392770U (en) * 1986-12-08 1988-06-15

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111863U (en) * 1985-12-30 1987-07-16
JPS6392770U (en) * 1986-12-08 1988-06-15

Also Published As

Publication number Publication date
JPS6318112Y2 (en) 1988-05-23

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