Tail decoration pipe capable of preventing abnormal sounds such as contact

• Main Authors: WEN HUAXUAN, CHEN YANFEI, ZHANG TING
• Format: Patent
• Language: Chinese; English
• Published: 05.01.2021
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

The utility model discloses a tail decoration pipe capable of preventing contact abnormal sounds, which comprises an outer container, an inner container pressed in the outer container and an assemblysupport welded on the inner container, an inner flanging is arranged at the exhaust end of the outer container, a bending part matched with the inner flanging is arranged at the exhaust end of the inner container, and the inner container is provided with an inner flange. A circle of protruding points which protrude towards the central axis and are arranged at intervals are pressed on the bending part in the circumferential direction, and the outer container and the inner container are tightly clamped in a press fit mode through the inner flanging and the protruding points. The circle of spacedconvex points are arranged on the bending part to realize spaced surface-to-surface fit of the inner container and the outer container, and the inner container surface between the convex points is inclearance fit with the inn