Double-wall corrugated octagonal pipe

• Main Authors: GE YAJING, GE JIECHANG
• Format: Patent
• Language: Chinese; English
• Published: 30.06.2020
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINEDOPTICAL AND ELECTRIC CABLES OR LINES; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The utility model discloses a double-wall corrugated octagonal pipe, which belongs to the technical field of cable protection pipes and comprises a hollow inner pipeline and a corrugated outer pipeline. The inner wall of the inner pipeline is smooth, and the inner wall of the inner pipeline is cylindrical; the outer wall of the inner pipeline is sleeved and coated with the outer pipeline; the outer pipeline is corrugated in the axial direction, the radial outer contour of the outer pipeline is a regular polygon, and the number of edges of the regular polygon is larger than or equal to 4. According to the double-wall corrugated octagonal pipe, a double-layer structure is adopted, the external modeling octagonal design is adopted, the compressive strength and the bending resistance are improved, and the double-wall corrugated octagonal pipe is firm, durable and good in impact resistance. 本实用新型公开了双壁波纹八角管，属于电缆保护管技术领域，包括中空的内管道和波纹状的外管道；所述内管道内壁光滑，且其内壁呈圆柱状；所述外管道套设且包覆于内管道外壁；所述外管道轴向呈波纹状，且其径向外轮廓呈正多边形，该正多边形的边数≥4。本双壁波纹八角管