Passive whole-process locking device based on direction control

The invention discloses a passive whole-process locking device based on direction control. The passive whole-process locking device comprises an inner sleeve connected with a door transmission component, a one-way clutch allowing the inner sleeve to freely rotate in the door closing direction, a sleeve fixedly connected with a shell of the one-way clutch and provided with meshing teeth, a drivingpiece provided with a rated rotation idle stroke with the inner sleeve, a retainer capable of being separated from and combined with the sleeve, one or a set of elastic pieces acting on the retainer to enable the retainer to tend to be meshed with the sleeve, and a shell supporting the sleeve, the driving piece and other necessarily arranged base bodies in a rotating mode; and the passive whole-process locking device further comprises a cam, a driven piece matched with the cam to form a cam mechanism, and one or a set of moment generating pieces, wherein a rated rotation idle stroke is arranged between the cam and the