The present disclosure provides a simple and reliable electric trailer hitch, including a fixed member, a trailer hook, a driven member, and a driving member; the driving member is directly or indirectly connected to an actuating device, the driven member is connected to the trailer hook, and the…

Disclosed is a magnetorheological fluid automobile bumper, and belongs to the field of automobile bumpers. The magnetorheological fluid automobile bumper comprises a rear bumper body, wherein two front bumper bodies are symmetrically hinged to the front side of the rear bumper body, the ends, close…