Circuit board protection structure of fast-charging charger

The utility model discloses a circuit board protection structure of a fast charger, which comprises a circuit board and a shell used for protecting the circuit board, an opening is arranged at the top of the shell, and a plurality of fixing pieces used for fixing the circuit board are arranged in the shell. The fixing piece comprises an inserting groove formed in the inner wall of the shell and an inserting block which is inserted into the inserting groove and matched with the inserting groove, and a clamping plate used for clamping the circuit board is arranged on the inserting block; according to the utility model, the circuit board is protected through the shell and the cover plate, so that the circuit board can be conveniently fixed in the shell, the circuit board can be conveniently detached from the interior of the shell, the damaged circuit board can be conveniently maintained, the lead screw is meshed with the guide block to enable the guide block to move along the direction of the lead screw, the gui