Double self-locking artificial knee joint structure

The invention belongs to the technical field of lower limb of rehabilitation robot, in particular to a double self-locking artificial limb knee joint structure, comprising a first support frame (1), wherein two ends of the first support frame (1) are respectively connected with a first driving rod (2) and a second driving rod (3), and a first connecting rod (4) is connected between the first driving rod (2) and the second driving rod (3); the first driving lever (2) is connected with a second connecting rod (5), the second driving lever (3) is connected with a second support frame (6), and thesecond connecting rod (5) is connected with the second support frame (6). The invention can simulate the normal gait trajectory of the human body, and has the functions of standing support and doubleself-locking of bending limit position. 本发明属于康复机器人下肢技术领域，尤其涉及种双自锁假肢膝关节结构，包括第支撑架(1)，所述第支撑架(1)两端分别连接第驱动杆(2)和第二驱动杆(3)，所述第驱动杆(2)与第二驱动杆(3)间连接有第连杆(4)；所述第驱动杆(2)连接有第二连杆(5)，所述第二驱动杆(3)连接有第二支撑架(6)，所述第二连杆(5)与第二支撑架(6)连接；本发明能够在模仿人体正常步态轨迹的同