JPH0269011U

JPH0269011U -

Info

Publication number: JPH0269011U
Application number: JP14733688U
Authority: JP
Priority date: 1988-11-11
Filing date: 1988-11-11
Publication date: 1990-05-25

Description

[Brief explanation of drawings]

第１図は本考案の実施例に係る消音器の水抜き
装置の断面図である。第２図は第１図のＡ―Ａ線
に沿つた断面図である。第３図は第１図のインナ
ーパイプの斜視図である。第４図は第１図の空洞
部を形成するための変形例を示す断面図である。
第５図は本考案の実施例に係る消音器の水抜き装
置を装着した消音装置の断面図である。第６図は
従来におけるプリマフラの断面図である。主要な部分の符号の説明、１……インナーパイ
プ、４……底部、４Ａ……下流部分、５……水抜
きパイプ、６……小孔、７……アウターパイプ、
９……空洞部、１０……吸音材。 FIG. 1 is a sectional view of a water draining device for a muffler according to an embodiment of the present invention. FIG. 2 is a sectional view taken along line AA in FIG. 1. FIG. 3 is a perspective view of the inner pipe of FIG. 1. FIG. 4 is a sectional view showing a modification for forming the cavity shown in FIG. 1.
FIG. 5 is a sectional view of a muffler equipped with a muffler water draining device according to an embodiment of the present invention. FIG. 6 is a sectional view of a conventional pre-muffler. Explanation of symbols of main parts, 1...Inner pipe, 4...Bottom, 4A...Downstream part, 5...Drainage pipe, 6...Small hole, 7...Outer pipe,
9...Cavity part, 10...Sound absorbing material.

Claims

[Scope of utility model registration request]

A drain part is provided at the bottom of the inner pipe protruding downward, and a large number of small holes are drilled on the circumferential surface other than the downstream part of the drain part at the bottom, and the outside of the inner pipe is connected to the outer pipe through a space. cover with a pipe,
In the space between the inner pipe and outer pipe,
A water draining device for a silencer, characterized in that a sound absorbing material is filled so that a cavity is formed in at least a space near the water draining portion.