Locking and unlocking mechanism for circuit breaker

The utility model discloses a locking and unlocking mechanism for a circuit breaker. The locking and unlocking mechanism comprises a base; a lock catch, wherein one end of the lock catch is a locking rod while the other end per se is a releasing rod, and the middle part of the lock catch is hinged w...

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Bibliographic Details
Main Author FU CHUNQIU
Format Patent
LanguageChinese
English
Published 02.05.2012
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The utility model discloses a locking and unlocking mechanism for a circuit breaker. The locking and unlocking mechanism comprises a base; a lock catch, wherein one end of the lock catch is a locking rod while the other end per se is a releasing rod, and the middle part of the lock catch is hinged with the base; a push rod, wherein one end of the push rod is hinged with the base, a vertical plate which is provided with a limiting step is arranged on the push rod, and a first contact surface and a second contact surface are respectively formed at the upside and downside of the limiting step; a spring positioned between the base and the push rod; a micro-switch with one end per se in contact with the releasing rod; a magnetic flux converter iron core connected with the push rod; and a release iron core connected with the releasing rod. The locking and unlocking mechanism for the circuit breaker is simple in structure, low in operating force and convenient in assembling; the operation is very convenient as repea
Bibliography:Application Number: CN20112324812U