Metal corrugated pipe

• Main Authors: YAN WEI, JING HONGTAO
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a metal corrugated pipe which comprises a pipe body, connector flanges are arranged at the two ends of the pipe body, the pipe body is a double-layer sleeve composed of an inner-layer pipe and an outer-layer pipe, a gap is formed between the inner-layer pipe and the outer-layer pipe, the side walls of the connector flanges are inserted into the gap, and at least two bolt positioning holes are formed in the outer side of the pipe wall of each connector flange. And the bolt positioning holes are connected with positioning bolts penetrating through the outer-layer pipe. Installation is convenient, the structure is reasonable and simple, through the two-layer design, the connector flange can be pressed in after being cut off, resources are saved, the connector flange is fixed through the positioning bolt and the clamp in a double-layer mode, and the service life of the connector flange is prolonged. 本实用新型公开了一种金属波纹管，包括管体，管体的两端设有接口法兰，管体为内层管和外层管组成的双层套管，内层管与外层管之间设有间隙，接口法兰的侧壁插入间隙内，接口法兰的管壁外侧