Hinge assembly for vehicle doors

Hinge assembly (1) for vehicle doors that comprises two hinge bodies (2, 3) articulately connected and respectively secured to the frame of the car and to one of its doors, the articulated connection comprising at least two articulating formations spaced apart from each other along the axis of rotation (4) of the hinge assembly, each of which comprises a male element (5a, 6a), situated on one of the hinge bodies, adapted to be coupled by moving the male element in the direction the axis of rotation of the hinge onto a complementary female element (5b, 6b) that is situated on the other one of the hinge bodies, the hinge assembly also comprising a safety element (7) that is configured to be inserted between said two articulating formations in the operational position of the hinge in order to prevent the accidental decoupling of the male and female elements of the articulating formations, wherein said safety element is disposed such that, by exerting a pressure thereon, said safety element is rotatable around an axis (8) that is solidly joined to one of the hinge bodies and moveable between at least a release position (A), wherein the male and female elements can be decoupled by moving one hinge body in relation to the other in the direction of the axis of rotation, and a blocking position (B) wherein the safety element is inserted between the two aforementioned articulating formations and prevents the movement needed between the hinge bodies in the direction of the axis of rotation of the hinge to decouple said male and female elements.