Truck cab turnover mechanism

The utility model relates to the field of truck cabs, in particular to a truck cab turnover mechanism which comprises a connecting frame, a turnover mechanism and a turnover mechanism. A sliding groove is formed in the oil injection bin, an insertion rod is inserted into the sliding groove, a through hole is formed in the surface of the insertion rod, a notch is formed in the sliding groove, and a stress block is installed at the end of the insertion rod; the connecting rod is arranged between the connecting frames; the device has the beneficial effects that the oil injection bin is additionally arranged, liquid lubricating oil is injected into the oil injection bin through the oil injection hole, when the connecting frame swings, the pushing plate extrudes the stress block, so that the inserting rod enters the sliding groove, and when the through hole reaches the position of the notch, the lubricating oil in the oil injection bin flows into the inserting rod along the through hole; and the lubricating oil fl