A plum blossom moment spanner for engine valve clearance adjustment tighten nut

The utility model discloses a plum blossom moment spanner for engine valve clearance adjustment tighten nut. This plum blossom moment spanner includes: screw up the joint, it has a plum blossom card hole, and the refill opening hole of stepping down has been seted up to the armrest handle end in this plum blossom card hole, pen socket frame, it is fixed said one side top surface of screwing up the plum blossom card hole of joint, the tip of this pen socket frame seted up with the refill opening pen socket open slot that the pore pair was answered of stepping down, and the sign device, it includes: point lacquer refill, the pen socket and spring, the said pen socket is the tubulose, fixes in the pen socket open slot, point lacquer refill is filled in the heart of said spring is in with this spring elastic fixation in the lump the inner chamber of the said pen socket. The integrated a bit lacquer pen of this a plum blossom moment spanner for engine valve clearance adjustment tighten nut, effective prevention is leaked the quality hidden danger who transfers valve clearance and compound tight adjusting nut moment and is taken place to production efficiency has been improved.