Just, lubricate wherein bridge rear cover assembly

The utility model discloses a just, lubricate wherein bridge rear cover assembly, its characteristics are, by back cover (1), bearing frame (2), connect oiled -plate method (3) and oil plug seat (4) to constitute, back cover (1) be the hemisphere shape of face, upper and lowerly be equipped with big, little round hole respectively, the inboard edge of bearing frame (2) also is spherical, and its radius of a ball equals with the radius of a ball of back cover (1), detains and put the big round hole department of fixing at back cover (1), the same with most bearing frames, bearing frame (2) are equipped with the confession assembly bearing of variation in sizes such as dead eye, shaft shoulder hole and perforating hole and link up the round hole that the axle used, connect oiled -plate method (3) to establish to semicolumn cambered surface shape, its terminal surface radius equals with the perforating hole radius, fixes in the perforating hole outer end of bearing frame (2), aligns with the perforating hole, the little round hole department of back cover (1) is fixed in in oil plug seat (4) to be established the screw hole in, and is used for assembling the oil filler plug, its structure is unique, and it is firm to connect, has realized the good lubricated of bearing through the mode that connects oil, oil storage.