Windshield wiper arm with function of avoiding forming dead-point

The utility model discloses a screenwiper swinging arm which can avoid forming dead points. The screenwiper swinging arm is a plate material which is provided with three connecting holes that form triangular distribution. The screenwiper swinging arm has key technology that a triangular connecting plate is adopted to be used as the swinging arm. The connection point of a driving arm and the swinging arm and the connection point of the swinging arm and other connecting rods are separated. A screenwiper can be guaranteed that dead points are not formed in the process of working. Thus, assembly and adjustment are simplified, the stress status of a motor is improved and the service life of the motor is prolonged. The length of the driving arm can be free from adjustment simultaneously, and the structure of the driving arm is simplified.