Noise-reduction and waterproof type exhaust tail pipe

Abstract

The invention discloses a noise-reduction and waterproof type exhaust tail pipe, and relates to the technical field of automobile exhaust pipes. The noise-reduction and waterproof type exhaust tail pipe comprises a shell body, a buffer pipe and a baffle. A gas receiving port and an exhaust port are formed in the two ends of the shell body correspondingly, the buffer pipe is located in an inner cavity of the shell body, a pipe orifice at one end of the buffer pipe communicates with the gas receiving port of the shell body, and a pipe orifice, away from one end of the gas receiving port, of thebuffer pipe is an exhaust gas output port; a plurality of buffer parts used for buffering gas are arranged on the outer wall of the buffer pipe, the multiple buffer parts communicate with the interiorof the buffer pipe, the baffle used for sealing the inner cavity of the shell body is arranged on the inner wall between the exhaust port of the shell body and the exhaust gas output port, and the side part on one side of the baffle is rotatably connected with the inner wall of the bottom of the shell body; and the communicating and sealing state of the baffle and the interior of the exhaust pipebody can be controlled through pressure provided by exhaust gas. The noise-reduction and waterproof type exhaust tail pipe has waterproof and noise-reduction functions, and has the advantages that the structure is simple, the cost is low, and installation is convenient.

Description

technical field [0001] The invention relates to the field of automobile exhaust pipes, in particular to a noise-reducing and waterproof exhaust tailpipe. Background technique [0002] In recent years, urban motor vehicles have grown rapidly, and the accompanying traffic noise pollution has become increasingly serious. The biggest hazards to the environment caused by automobiles are noise pollution and air pollution. Relevant surveys have shown that motor vehicle noise emissions account for 75% of the total urban noise emissions. %, the exhaust of existing automobiles occupies a large body space, and the noise control effect is also very limited. In addition, in the case of frequent rainstorms, in areas with deep water accumulation, it is easy to cause road water to flow back from the outlet of the exhaust tailpipe into the exhaust pipe, thereby affecting the engine. After the accumulated water is eliminated, serious damage will be caused to the vehicle if the discharge of t...

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a noise-reducing and waterproof exhaust tailpipe in order to solve the problems of complex structure, high price and difficult installation of the existing noise-reducing and waterproof exhaust tailpipe

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