Circuit breaker convenient to disassemble and assemble

The utility model is applicable to the technical field of electrical equipment, and provides a circuit breaker convenient to disassemble and assemble, which comprises a clamping rail and a circuit breaker body, the circuit breaker body is slidably arranged in front of the clamping rail, a clamping groove is arranged behind the top of the circuit breaker body, and a clamping assembly is arranged at the bottom of the circuit breaker body. According to the circuit breaker convenient to disassemble and assemble, after the clamping groove is clamped and embedded into the upper edge of the clamping rail, the rotary knob is rotated to drive the abutting block to move through the connecting rod, when the abutting block moves to the vertical state, the abutting block clamps the lower edge of the clamping rail, meanwhile, the locking block is clamped and embedded into the locking groove, and installation of the circuit breaker body is completed; the clamping between the circuit breaker body and the clamping rail is rea