STEERING KNUCKLE AND STEERING MECHANISM

A steering knuckle and a steering mechanism are disclosed. The steering knuckle includes a housing (1) and an extension arm (2). One end of the extension arm (2) is disposed on the housing (1) on a side corresponding to a position of a rear wheel. A first assembly hole (21) configured to fit a ball joint tie rod (3) is created at another end of the extension arm. The housing (1) includes a bottom face as well as a first end face and a second end face disposed opposite to each other on the bottom face. A second assembly hole (11) configured to fit a ball joint lower control arm (4) is created on the first end face. A third assembly hole (12) configured to fit a ball joint upper control arm assembly (5) is created on the second end face. A connecting line between the second assembly hole (11) and the third assembly hole (12) forms a kingpin axis.