ASSEMBLY STRUCTURE OF WINDSHIELD WIPER DRIVING ARM

An assembly structure of a windshield wiper driving arm, the assembly structure includes an accessory piece and a wiper driving arm. The accessory piece includes a head portion, a main body and a pair of elastic arms. The main body is connected to the head portion. The pair of elastic arms are arranged on two sides of the head portion and two sides of the main body. Each elastic arm includes a pressing section and a positioning section. The positioning section includes a bump. The wiper driving arm includes an arm body and a cover. The cover includes a pair of restricting slots, and the wiper driving arm is coupled to the accessory piece through an engagement of each restricting slot and the bump.