Tail pipe and car with two cavity helmholtz silencers

一种带有两腔室赫姆霍兹消声器的排气尾管及汽车

Abstract

本实用新型提供一种带有两腔室赫姆霍兹消声器的排气尾管及汽车,带有两腔室赫姆霍兹消声器的排气尾管,包括:排气尾管上段、第一赫姆霍兹腔、连接管、第二赫姆霍兹腔和排气尾管下段,其中,所述排气尾管上段插入到所述第一赫姆霍兹腔内部与所述第一赫姆霍兹腔上的消声器进口焊接段焊接成一体,所述连接管一端与所述第一赫姆霍兹腔连通,所述连接管的另一端与所述第二赫姆霍兹腔连通,所述排气尾管下段插入到所述第二赫姆霍兹腔内部与所述第二赫姆霍兹腔上的消声器出口焊接段焊接成一体,解决排气尾管对降低噪声贡献小的问题。
The utility model provides a tail pipe and car with two cavity helmholtz silencers has the tail pipe of two cavity helmholtz silencers, include: tail pipe upper segment, a helmholtz chamber, connecting pipe, the 2nd helmholtz chamber and tail pipe hypomere, wherein, the tail pipe upper segment inserts a helmholtz intracavity portion with muffler inlet welding section on the helmholtz chamber is welded integratively, connecting pipe one end with helmholtz chamber intercommunication, the other end of connecting pipe with the 2nd helmholtz chamber intercommunication, the tail pipe hypomere inserts the 2nd helmholtz intracavity portion with silencer export welding section on the 2nd helmholtz chamber welds an organic whole, solves tail pipe to reducing the little problem of noise contribution.

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