Circuit breaker structure convenient to disassemble, assemble, maintain and replace

The utility model is suitable for the technical field of circuit breaker shells, and provides a circuit breaker structure convenient to dismount, maintain and replace, which comprises a base and a dismounting structure, the detachable structure comprises a first shell and a second shell, the first shell is arranged on one side of the top of the base, the second shell is arranged on the other side of the top of the base, and the first shell and the second shell are spliced into a complete shell. According to the circuit breaker structure convenient to disassemble, assemble, maintain and replace, when the first shell and the second shell are spliced, a positioning rod is inserted into a positioning groove, the first shell and the second shell are positioned at the top of the base, and a clamping plate is driven to move by pulling a pull rod, so that the clamping plate can be driven to be inserted into a clamping groove; the clamping seat is fixed and limited, then the first shell and the second shell are limite