Spiral groove valve bridge guide rod

The utility model discloses a spiral groove valve bridge guide rod which is characterized in that a positioning seat is arranged on the lower portion of the valve bridge guide rod, and a guide rod is arranged on the upper portion of the valve bridge guide rod. A spiral oil groove is formed in the side portion of the guide rod, a plurality of oil guide holes are evenly formed in the spiral oil groove, an oil storage long hole is formed in the center of the guide rod, and the oil guide holes are communicated with the oil storage long hole. The problems that after an engine runs for a long time, the air valve bridge and the guide rod are matched to be stuck, the air valve bridge and the guide rod are abraded seriously, and the engine breaks down are solved. 本实用新型公开了一种螺旋槽气门桥导向杆，其特征在于：包括气门桥导向杆下部为定位座，所述气门桥导向杆上部为为导向杆；所述导向杆的侧部设有螺旋油槽，所述螺旋油槽内均匀设有若干个导油孔，所述导向杆中心设有储油长孔，所述导油孔与所述储油长孔相连通。本实用新型解决了发动机长时间运行后气门桥与导向杆配合会出现卡顿现象，严重时气门桥和导向杆会磨损，导致发动机故障的问题。