Wiper assembly includesmotor, reducer, four-link mechanism, wiper arm mandrel, wipersheet assembly, etc.

When the driver presses theswitch of the wiper, the motor starts. The speed of the motordrives the swing arm through the deceleration and increase oftorsion of the worm gear and worm, and the swing arm drives thefour-link mechanism, which drives the rotating shaft installed onthe front coiling plate to swing around. Finally, the rotatingshaft drives the wiper blade to sweep the windshield.