Connecting mechanism and surgical robot

The invention relates to the field of surgical robots, and discloses a connecting mechanism and a surgical robot. The connecting mechanism is used for being connected with an endoscope or an instrument executing mechanism. The connecting mechanism comprises a shell, a locking assembly and a pressing assembly. The locking assembly comprises a swing rod and a clamping hook, the swing rod is arranged in the shell, one end of the swing rod is connected to the clamping hook, and the other end of the swing rod is rotationally connected with the shell through a locking rotating shaft so that the clamping hook can penetrate out of the shell and be clamped into the clamping opening of the power mechanism or be disengaged from the clamping opening and retract back to the shell. The pressing assembly movably penetrates through the shell and is connected to the swing rod, and the connecting position of the pressing assembly and the swing rod and the clamping hook are located on the same side of the locking rotating shaft