Construction pipe fitting surface marking device

The utility model discloses a construction pipe fitting surface marking device, including first spacing, first marking off hole has been seted up along vertical direction to leading flank spacing first, the rear end fixed connection of spacing first leading flank upper end and screw rod, the front end and the butterfly nut threaded connection of screw rod, spacing first left surface upper portionand right flank upper portion symmetry are fixed with spacing of two seconds, second marking off hole has all been seted up along the horizontal direction to the leading flank that two seconds are spacing, this construction pipe fitting surface marking device simple structure, convenience and practicality, the surface to the construction pipe fitting that can be quick is rule, can closely laminateat the surface of different cross sectional shapes, not unidimensional pipe class structure, improve the degree of accuracy that the surface was rule, enlarge application scope, from taking first scale and second scale for it