CN2276564Y - 柔性消声管 - Google Patents

柔性消声管 Download PDF

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Publication number
CN2276564Y
CN2276564Y CN96235241U CN96235241U CN2276564Y CN 2276564 Y CN2276564 Y CN 2276564Y CN 96235241 U CN96235241 U CN 96235241U CN 96235241 U CN96235241 U CN 96235241U CN 2276564 Y CN2276564 Y CN 2276564Y
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tube
flexible
bellows
exhaust
vehicle
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Expired - Fee Related
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CN96235241U
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徐水旺
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Abstract

本实用新型涉及一种车辆动力装置与排气结合的布置,尤其涉及一种汽车排气管专用柔性消声管。它包括金属波纹管体,其外层是紧贴波纹管体并用焊箍与管体两端固定的不锈钢编织丝网外罩,波纹管(2)内置紧贴管体内壁的圆筒状散音器(1),散音器(1)壁上均布散音孔(5)。本实用新型可以使排气系统在运行过程中柔软自如,经久耐用,显著地改善汽车的使用性能,延长汽车发动机和排气管的使用寿命,并能降低噪声5—8分贝。

Description

柔性消声管
本实用新型涉及一种车辆动力装置与排气结合的布置,尤其涉及一种汽车排气管专用柔性消声管。
汽车发动机排气管在使用过程中热胀冷缩会引起轴位移,在道路行进颠簸时易造成排气管断裂或其它连接件的损坏,需要在消声器前的排气管段增设抗振弹性补偿装置。现用的金属波纹管使用时噪声较大。
本实用新型的目的在于使用一种具有良好抗振弹性补偿功能、且能降低使用噪声的柔性消声管。
为达到上述目的,本实用新型采用如下技术方案:它包括金属波纹管体,其两端管径与配用的排气管管径相等,并分别与排气管前、中段焊接相连,其外层是紧贴波纹管体并用焊箍与管体两端固定的不锈钢编织丝网外罩,波纹管内置紧贴管体内壁的圆筒状散音器,散音器壁上均布散音孔。波纹管为双层管,内外焊缝错位180°±20°。波纹管一般用不锈钢制成。
本实用新型与现有技术相比,具有如下优点:可以使排气系统在运行过程中柔软自如,经久耐用,显著地改善汽车的使用性能,延长汽车发动机和排气管的使用寿命,并能降低噪声5-8分贝。且安装方便,只需焊接在排气管的前、中部之间即可,不改变汽车原有结构。
附图为本实用新型结构示意图。
下面结合实施例对本实用新型作进一步详述:
如附图所示,本实用新型是一种汽车排气管专用的柔性消声管,它包括不锈钢波纹管体(2),具两端管径与配用的排气管管径相等,并分别与排气管前、中段焊接相连,其外层是紧贴波纹管体(2)并用焊箍(4)与管体两端固定的不锈钢编织丝网外罩(3),波纹管(2)内置紧贴管体内壁的圆筒状散音器(1),散音器(1)壁上均布散音孔(5),波纹管(2)为双层管,内外焊缝错位180°±20°。

Claims (2)

1、一种汽车排气管专用的柔性消声管,它包括金属波纹管体,其两端管径与配用的排气管管径相等,并分别与排气管前、中段焊接相连,其外层是紧贴波纹管体并用焊箍与管体两端固定的不锈钢编织丝网外罩,其特征在于:波纹管(2)内置紧贴管体内壁的圆筒1状散音器(1),散音器(1)壁上均布散音孔(5)。
2、根据权利要求1的所述的柔性消声管,其特征在于:波纹管(2)为双层管,内外焊缝错位180°±20°。
CN96235241U 1996-07-04 1996-07-04 柔性消声管 Expired - Fee Related CN2276564Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN96235241U CN2276564Y (zh) 1996-07-04 1996-07-04 柔性消声管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN96235241U CN2276564Y (zh) 1996-07-04 1996-07-04 柔性消声管

Publications (1)

Publication Number Publication Date
CN2276564Y true CN2276564Y (zh) 1998-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN96235241U Expired - Fee Related CN2276564Y (zh) 1996-07-04 1996-07-04 柔性消声管

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1295565C (zh) * 2001-11-30 2007-01-17 Asml荷兰有限公司 光刻装置和器件的制造方法
CN106089362A (zh) * 2016-07-28 2016-11-09 东南大学 一种内燃机消声器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1295565C (zh) * 2001-11-30 2007-01-17 Asml荷兰有限公司 光刻装置和器件的制造方法
CN106089362A (zh) * 2016-07-28 2016-11-09 东南大学 一种内燃机消声器
CN106089362B (zh) * 2016-07-28 2018-09-18 东南大学 一种内燃机消声器

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
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Granted publication date: 1998.03.18