JPH03102014U

JPH03102014U -

Info

Publication number: JPH03102014U
Application number: JP993590U
Authority: JP
Priority date: 1990-02-02
Filing date: 1990-02-02
Publication date: 1991-10-24

Description

[Brief explanation of drawings]

第１図は本考案の第１実施例の一部縦断面図で
、マフラ本体部分とバルブ部分とを一体的に組立
てるまえの図、第２図ａ，ｂは本考案の第２実施
例で、同図ａはその一部縦断面図で、マフラ本体
部分とバルブ本体部分を一体的に組立てるまえの
図、同図ｂは同図ａのバルブ部分のＢ−Ｂ視図、
第３図と第４図はそれぞれ異なる従来技術の縦断
面図である。Ａ，Ｂ，Ｃ…室、２７…外筒、２８，２８′，
２９…外壁、３０，３１…内壁、３５，３５′，
３９，３９′…バイパスパイプ、３５ａ，３９ａ
…一端、３５ａ′，３５ａ″…開口、３６，３６
′…緩衝部材、３７…ボルト、３８，３８′…マ
フラ本体部分、４０…開閉バルブ、４５…操作機
構、４７，４７′…バルブ部分、４８…ナツト。 Figure 1 is a partial vertical cross-sectional view of the first embodiment of the present invention, before the muffler body and valve parts are integrally assembled, and Figures 2a and b are the views of the second embodiment of the present invention. , Figure a is a partial longitudinal sectional view of the same, before the muffler body and valve body are integrally assembled, Figure b is a BB view of the valve part in Figure a,
FIGS. 3 and 4 are longitudinal cross-sectional views of different conventional techniques. A, B, C...chamber, 27...outer cylinder, 28, 28',
29...Outer wall, 30, 31...Inner wall, 35, 35',
39, 39'...Bypass pipe, 35a, 39a
...One end, 35a', 35a''...Opening, 36, 36
'...Buffer member, 37...Bolt, 38, 38'...Muffler main body part, 40...Opening/closing valve, 45...Operation mechanism, 47, 47'...Valve part, 48...Nut.

Claims

[Claims for Utility Model Registration] 1. Formed by an outer cylinder 27 and outer walls 28, 28', 29, the interior is divided into a plurality of chambers A by inner walls 30, 31.
, B, and C, which has a bypass pipe that communicates two of the plurality of chambers, an on-off valve that opens and closes this bypass pipe, and an operating mechanism that opens and closes this on-off valve. , a muffler having a structure in which muffler main body portions 38, 38' and valve portions 47, 47' are constructed as separate subassemblies, and both subassemblies can be assembled integrally. 2. The muffler body part 38 and the valve part 47 are
The muffler according to claim 1, wherein the muffler is assembled in a disassembly manner using bolts (37) and nuts (48). 3 The bypass pipes are a straight first bypass pipe 35 and an L-shaped second bypass pipe 39.
A first bypass pipe 35 is provided in the muffler main body portion 38, a flexible annular buffer member 36 is attached to one end 35a, and a second bypass pipe 39 is provided in the valve portion 47.
When assembling both subassemblies together, one end 39a of the second bypass pipe is connected to the buffer member 36.
said one end 3 of the first bypass pipe 35 via
The muffler according to claim 1, wherein the muffler is fitted and connected to the muffler 5a. 4. A bypass pipe 35' is formed into an L-shape, and one end thereof is disposed in contact with the outer wall 28' of the muffler main body portion, and an opening 35a'' is provided on the outer wall side.
A flexible buffer member 36' is fixed to the other side opposite the opening 35a'', and when the subassembly of the valve portion 47' is integrally assembled to the muffler body portion 38', the bypass pipe 39' is The muffler according to claim 1, wherein the muffler is inserted into the opening 35a'' and pressed to the buffer member 36'.