Multifunctional plastic shell adopting circuit breaker type structure

The utility model relates to electrical appliance control and protection field, and particularly discloses a multifunctional plastic shell adopting a circuit breaker type structure. The multifunctional plastic shell comprises an upper plastic shell, a middle plastic shell, a lower plastic shell, a transparent cover, buttons, an insertion core, a coil stand, a circuit board, rivets and a conductor structure, wherein the buttons are arranged above the lower plastic shell; the middle plastic shell mounted on the lower plastic shell is used for sequentially fixing the insertion core, the coil stand and the conductor structure on the middle plastic shell; the circuit board is mounted between the middle and the lower plastic shells; the upper plastic shell is mounted on the lower plastic shell and is fixed via the rivets; and the transparent cover is mounted between the upper and the lower plastic shells, so as to prevent the buttons to be mistakenly pressed. The multifunctional plastic shell adopting the circuit b