Waterproof key for motorcycle

According to the waterproof key for the motorcycle, a movable hole is formed in an upper shell, and a key plate can move in the movable hole; a pressing part is arranged at the bottom of the movable hole, and the sealing surface is pressed on the mounting surface by the pressing part; the top surface of the contact cavity is positioned above the circuit board; the top of the silica gel waterproof sheet is provided with a protruding part, and the top of the protruding part abuts against the bottom face of the key board. The top surface of the circuit board is provided with an induction area; when the key board is pressed, the key board extrudes the protruding part to deform downwards, so that the bottom of the protruding part is in contact with the sensing area. According to the utility model, the silica gel waterproof sheet is attached to the mounting surface of the mounting cavity, so that the mounting cavity forms a closed chamber, a waterproof effect is achieved, the key body can be safely used, and the dr