JPH0163720U

JPH0163720U -

Info

Publication number: JPH0163720U
Application number: JP1987159835U
Authority: JP
Priority date: 1987-10-19
Filing date: 1987-10-19
Publication date: 1989-04-24
Anticipated expiration: 2002-10-19
Also published as: JPH0610140Y2

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例を示す要部断面図
、第２図は全体側面図、第３図は第１図―線
断面図、第４図は第２実施例を示す要部断面図、
第５図は第４図―線断面図、第６図は遮音構
造を示す平面説明図、第７図は別の遮音構造を示
す側面説明図、第８図は第７図―線断面矢視
図、第９図は従来例を示す要部断面図である。２３……マフラ本体、２４……排気パイプ、２
５……内パイプ、２６……外パイプ、２７……排
気口、２８……スペーサ、３０……水抜き路。 Fig. 1 is a sectional view of the main part showing the first embodiment of the present invention, Fig. 2 is an overall side view, Fig. 3 is a sectional view taken along the line of Fig. 1, and Fig. 4 is a main part showing the second embodiment. cross section,
Fig. 5 is a sectional view taken along the line shown in Fig. 4, Fig. 6 is a plane explanatory view showing the sound insulation structure, Fig. 7 is a side explanatory view showing another sound insulation structure, and Fig. 8 is a cross sectional view taken along the line shown in Fig. 7. 9 are sectional views of main parts showing a conventional example. 23...muffler body, 24...exhaust pipe, 2
5...Inner pipe, 26...Outer pipe, 27...Exhaust port, 28...Spacer, 30...Drain passage.

Claims

[Scope of utility model registration request]

An exhaust pipe 24 is connected to the exhaust side of the muffler body 23 in an upwardly erected manner, and an inner pipe 25 extends upward from the exhaust side, and a lower end thereof is connected to the upper end of the inner pipe 25 in an externally fitting manner. The inner diameter of the outer pipe 26 is larger than the outer diameter of the inner pipe 25, and the inner diameter of the outer pipe 26 is larger than the outer diameter of the inner pipe 25. The inner pipe 25 and the outer pipe 26 are connected to each other with a spacer 28 interposed in the circumferential direction between the outer peripheral surface of the inner pipe 25 and the inner peripheral surface of the outer pipe 26 to form a circumferential gap between the inner pipe 25 and the outer peripheral surface. At the same time, the outer peripheral surface of the inner pipe 25 and the outer pipe 26
A water draining device for a muffler exhaust pipe, characterized in that a vertical draining passage 30 is provided between the inner peripheral surfaces.