Silencing type corrugated pipe

• Main Authors: GAO JUN, WANG JIEFENG, ZHANG ZHIYONG, ZHANG FENGJUN, ZHAO MIN
• Format: Patent
• Language: Chinese; English
• Published: 02.06.2023
• 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 relates to the technical field of refrigeration equipment, in particular to a silencing type corrugated pipe which comprises a metal corrugated pipe body, a sound absorption lining is arranged in an inner cavity of the metal corrugated pipe body and comprises a flow guide pipe, the surface of the flow guide pipe is concaved inwards to form a first groove, and a first sound absorption sponge is bonded to an inner cavity of the first groove. A second groove is formed in the side face of the inserting prism, a receding groove is formed in the joint of one end of the inserting prism and the annular cylinder, and the annular cylinder is inserted into the inner cavity of the flow guide pipe through the receding groove and attached to the inner wall of the flow guide pipe; the metal corrugated pipe has the beneficial effects that the sound-absorbing lining is arranged in the inner cavity of the metal corrugated pipe body, the telescopic sections are arranged at the two ends of the sound-absorbing l