Structure and Composition
Front wiper system mainly consists of wiper switch,wiper motor,front wiper arm assembly,wiper connecting rod,wiper,cleaning pump,liquid storage tank,filling tube and nozzle,as shown in Fig.3.14.The main functions are once wipe,interval wipe,slow wipe,quick wipe and water spraying and washing and wiping at the same time.
The functions of main structure are as follows:
(1)Wiper Switch:makes the wiper system work at the appropriate gear as required by the driver.
(2)Wiper Motor:is DC adjustable speed motor with quick and slow coils inside,and the motor output speed decreases through worm gear speed reducer and the output direction also changes.(https://www.daowen.com)
(3)Front Wiper Arm Assembly:is used to install the wiper in front of automobile windshield and other components of wiper system.
(4)Wiper Connecting Rod:transfers the rotary output movement to the front wiper arm and change it to swinging movement.
Fig.3.14 Composition of Wiper System