| 摘要 |
Disclosed in the present invention is a circuit breaker, comprising a housing (110) and a trip rod (120); the circuit breaker further comprises a locking device (130); the trip rod and the locking device are disposed in the housing; the locking device comprises a lock head (131), a mounting portion (132), a sliding member 133 and at least one elastic element 134; the mounting portion comprises a base plate (1321) and a first side plate (1321); at least one protruding portion 1326 is provided on the base plate; a through-hole (1327) is formed in the first side plate; the lock head comprises a first driving member (1318); the sliding member comprises a body (1330) and a push rod 1331; the body is slideably disposed on the base plate; a second driving member 1332 and at least one mounting slot (1334) are formed on the body; the second driving member is mated with the first driving member; the protruding portion is located in the mounting slot; the push rod is formed on the body and can pass through the through-hole to trigger the trip rod; and two ends of the elastic element are in contact with the protruding portion and the body, respectively. |
