The quick mounting structure includes a first connector, a second connector, and a self-locking mechanism; the self-locking mechanism is on the second connector, and the first connector is connected to the second connector through the self-locking mechanism; the self-locking mechanism includes a quick mounting block, a transmission arm, a locking block, a rotating shaft, and a first elastic member; the quick mounting block is connected to the first connector; the second connector is provided with a quick mounting groove, and all of the transmission arm, the locking block, the rotating shaft, and the first elastic member are arranged in the quick mounting groove; the transmission arm is rotationally connected to the second connector through the rotating shaft; the first elastic member is connected to the transmission arm or the locking block for enabling the locking block to be in a locked state in a normal state.