Universal joint structure for automobile transmission shaft

The utility model discloses a universal joint structure for an automobile transmission shaft. Relating to the field of automobile transmission shafts, the cardan joint structure for the automobile transmission shaft comprises a cardan joint, the device comprises a sleeve fork and a transmission shaft fork, bearings are embedded in the inner walls of the sleeve fork and the transmission shaft fork;the inner wall of the bearing is movably connected with the surface of a connecting shaft; the surface of the connecting shaft is movably connected with the inner wall of the cross shaft sleeve; thecross shaft sleeve is positioned between the sleeve fork and the transmission shaft fork; a through hole is formed in one side of the cross shaft sleeve, the inner walls of the through hole and the cross shaft sleeve are movably connected with the surface of a limiting pin, the end, away from the bearing, of the connecting shaft is in lap joint with the surface of the limiting pin, and threaded holes are formed in the side