The utility model discloses a limit
bushing for an automobile transmission device, which relates to the technical field of automobile spare parts and comprises a buffer mechanism, the buffer mechanism comprises a rubber sleeve, four positioning grooves are formed in the inner wall of the rubber sleeve in an
annular array mode, four slots are formed in one end of the rubber sleeve in an
annular array mode, and the four positioning grooves are matched with the slots. Four mounting grooves are formed in the outer portion of the rubber sleeve in an
annular array mode, buffer elastic pieces are arranged in the four mounting grooves, a lining
pipe is arranged in the rubber sleeve, and four positioning blocks are arranged on the outer portion of the lining
pipe in an annular array mode.
Impact force generated by collision can be slowly released through the rubber sleeve and the buffer elastic piece arranged in the mounting groove formed in the rubber sleeve, it is ensured that the lining
pipe and the transmission shaft rod are not damaged due to
impact, in addition, the magnetic block can be sucked out of the inserting groove through the magnetic suction ring, the buffer elastic piece in the mounting groove can be replaced, and the service life of the transmission shaft rod is prolonged. And the overall buffering effect of the buffering mechanism is ensured.