Spiral metal corrugated pipe

The utility model discloses a spiral metal corrugated pipe. The spiral metal corrugated pipe comprises a main body, the main body is of a hollow structure, one end of the main body is closed, the other end of the main body is open, a grout outlet hole is formed in the side wall of the closed end of the main body, a grout pressing hole is formed in the side wall of the open end of the main body, and the inner side wall and the outer side wall of the main body are both in a threaded shape. The spiral metal corrugated pipe is high in grouting efficiency and favorable for exhausting air during grouting. 本实用新型公开一种螺旋金属波纹管，其中，该螺旋金属波纹管包括主体，所述主体为空心结构，所述主体的一端封闭，其另一端敞口，所述主体之封闭的一端的侧壁设有出浆孔，所述主体之敞口的一端的侧壁设有压浆孔，且所述主体的内外侧壁均为螺纹形状。本实用新型螺旋金属波纹管的注浆效率高，且有利于注浆时空气的排出。