All-rounder bellow expansion joint

• Main Authors: DENG AILING, HU DEQIN, DENG YUMING, ZHAO GUIFENG
• Format: Patent
• Language: Chinese; English
• Published: 13.02.2013
• 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 provides an all-rounder bellow expansion joint and relates to the technical field of the expansion joint. A filter pipe (2) is tightly placed on the outer wall of the two ends of a nozzle (1) of the all-rounder bellow expansion joint. Two outer annular plates (8) are placed on the filter pipe (2). An outer sleeve (5) is placed on the outer rim of the two outer annular plates(8). A metal bellow (7) is placed between the outer annular plate(8).The two ends of the metal bellow(7) are fixedly connected with the inner wall of the two sides of the metal bellow(2). The two outside walls of the metal bellow (7) are connected with the inner wall of the outer annular plate (8). Stiffening annular plates (6) are placed inside the valley of the metal bellow (7). A draft tube (9) is placed inside the metal bellow (7). The two ends of the draft tube (9) are fixedly connected with the nozzle (1). By adopting bellows structure, the all-rounder bellow expansion joint has the advantage of being scientific and