| 摘要 |
PURPOSE: A structure of a flexible tube is provided to prevent wear due to interference between an inner braid and a bellows by increasing a gap between the inner braid and the bellows. CONSTITUTION: A flexible tube comprises an inner braid(21) and an outer braid(22) formed by circular knitting with a plurality of thin wires; a bellows(23) whose side section is formed zigzag to damp vibration transmitted to an exhaust system; and a guide sleeve(30) connecting the inner braid with one end of the bellows. Diameter of the inner braid is gradually reduced from a front side to a rear side. Diameter of both ends of the outer braid is reduced down to diameter of an exhaust pipe. The bellows is placed between the inner braid and the outer braid. The guide sleeve is mounted to one end of the flexible tube so that a rear end of the inner braid is connected to one end of the guide sleeve. Diameter of the guide sleeve is different between a front side and a rear side thereof so that a large diameter part(32) of the guide sleeve is connected to an inner diameter of the end of the bellows and a small diameter part(31) of the guide sleeve is connected to an outer diameter of the rear end of the inner braid.
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