CN206513417U - A kind of motorcycle and its muffler - Google Patents
A kind of motorcycle and its muffler Download PDFInfo
- Publication number
- CN206513417U CN206513417U CN201720176374.8U CN201720176374U CN206513417U CN 206513417 U CN206513417 U CN 206513417U CN 201720176374 U CN201720176374 U CN 201720176374U CN 206513417 U CN206513417 U CN 206513417U
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- expansion cavity
- muffler
- cavity
- pipe
- expansion
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Abstract
This application discloses a kind of muffler, including hush pipe, blast pipe and tail pipe；The first expansion cavity separated by dividing plate, resonant cavity, the second expansion cavity and the 3rd expansion cavity are disposed with by entrance point to the port of export of hush pipe inside hush pipe；Catalytic converter is provided with hush pipe, catalytic converter passes through the first expansion cavity and resonant cavity, and the import of catalytic converter is connected with blast pipe, and the outlet of catalytic converter is connected with the second expansion cavity；Second expansion cavity is connected with the 3rd expansion cavity by the first connecting tube；3rd expansion cavity is connected with the first expansion cavity by the second connecting tube, and resonance holes are offered on the tube wall that the second connecting tube is located in resonant cavity；Tail pipe is connected through the 3rd expansion cavity, the second expansion cavity and resonant cavity and with the first expansion cavity.The muffler eliminates existing noise reduction tail chamber, using two-part structure, while sound-damping qualities are met, reduces the size of muffler.Disclosed herein as well is a kind of motorcycle of the application muffler.
Description
Technical field
The utility model is related to technical field of motorcycles, more particularly to a kind of muffler.Further relate to a kind of application noise reduction
The motorcycle of device.
Background technology
Muffler is the important component of motorcycle, the exhaust noise for reducing engine, while reducing the useless of engine
Harmful components in gas.Existing muffler generally includes the main cylinder of blast pipe, muffler and muffler tail chamber.Although can be preferable
Carry out noise reduction, but three-stage combining structure longer dimension, space-consuming is big, and weight is big.
In summary, how on the premise of sound-damping qualities are met, reduce the size of muffler, reduce weight, become this
Art personnel's urgent problem to be solved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of muffler, on the premise of sound-damping qualities are met, to subtract
The size of small muffler, mitigates weight.
Another purpose of the present utility model is to provide a kind of motorcycle of the application muffler, so that each portion of motorcycle
Part arrangement is more reasonable.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of muffler, including hush pipe, blast pipe and tail pipe, the inlet communication of the blast pipe and the hush pipe；
Inside the hush pipe by entrance point to the port of export of the hush pipe be disposed with the first expansion cavity separated by dividing plate,
Resonant cavity, the second expansion cavity and the 3rd expansion cavity；Catalytic converter is provided with the hush pipe, the catalytic converter is passed through
First expansion cavity and the resonant cavity, the import of the catalytic converter are connected with the blast pipe, the catalyzed conversion
The outlet of device is connected with second expansion cavity；Second expansion cavity is connected with the 3rd expansion cavity by the first connecting tube
It is logical；3rd expansion cavity is connected with first expansion cavity by the second connecting tube, and second connecting tube is located at described common
Resonance holes are offered on the tube wall for intracavitary of shaking；Tail pipe passes through the 3rd expansion cavity, second expansion cavity and the resonant cavity
And connected with first expansion cavity.
It is preferred that, in above-mentioned muffler, opened on the dividing plate between first expansion cavity and the resonant cavity
Provided with multiple through holes.
It is preferred that, in above-mentioned muffler, the cylinder of the hush pipe includes inner cylinder and outer barrel, the inner cylinder and described
Noise elimination cotton is provided between outer barrel.
It is preferred that, in above-mentioned muffler, multiple sound attenuation holes are offered on the barrel of the inner cylinder.
It is preferred that, in above-mentioned muffler, the sound attenuation hole is distributed on the barrel of the inner cylinder.
It is preferred that, in above-mentioned muffler, the pipeline section that the tail pipe is stretched into the hush pipe includes inner and outer tubes,
Noise elimination cotton is provided between said inner tube and the outer tube.
It is preferred that, in above-mentioned muffler, multiple sound attenuation holes are offered on the tube wall of said inner tube.
It is preferred that, in above-mentioned muffler, the noise elimination cotton is steel wire fibre.
It is preferred that, in above-mentioned muffler, the cross sectional shape of the hush pipe is ellipse.
The utility model additionally provides a kind of motorcycle, including muffler and engine, the blast pipe of the muffler with
The gas outlet connection of the engine, the muffler is the muffler described in any of the above.
Compared with prior art, the beneficial effects of the utility model are：
In the muffler that the utility model is provided, including hush pipe, blast pipe and tail pipe, hush pipe is interior extremely to be exported by import
It is disposed with the first expansion cavity mutually separated, resonant cavity, the second expansion cavity and the 3rd expansion cavity.It is provided with and urges in hush pipe
Change converter, catalytic converter passes through the first expansion cavity and resonant cavity, and the import of catalytic converter is connected with blast pipe, and catalysis turns
The outlet for changing device is connected with the second expansion cavity, and the second expansion cavity is connected with the 3rd expansion cavity by the first connecting tube；3rd expansion
Chamber is connected with the first expansion cavity by the second connecting tube, and resonance holes are offered on the tube wall that the second connecting tube is located in resonant cavity；
Tail pipe is connected through the 3rd expansion cavity, the second expansion cavity and resonant cavity and with the first expansion cavity.
When the muffler works, the waste gas of engine enters hush pipe through blast pipe, waste gas sequentially pass through catalytic converter,
Discharged after second expansion cavity, the 3rd expansion cavity, the first expansion cavity, tail pipe.Low frequency during exhaust noise is eliminated in three expansion cavities
Noise, when by the second connecting tube, is resonated with resonant cavity by resonance holes, consumes the sound wave energy of noise, further
Reduce noise.
The muffler eliminates existing noise reduction tail chamber, using two-part structure, and structure is compacter, is meeting noise reduction
While amount, the size of muffler is reduced, weight is alleviated.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
The structural representation for the muffler that Fig. 1 provides for the utility model embodiment；
The structural representation of the hush pipe for the muffler that Fig. 2 provides for the utility model embodiment；
Fig. 3 be Fig. 1 in Section A-A schematic diagram；
Fig. 4 be Fig. 1 in section B-B schematic diagram；
Fig. 5 be Fig. 1 in C-C sections schematic diagram；
The structural representation of the tail pipe for the muffler that Fig. 6 provides for the utility model embodiment.
Wherein, 1 it is blast pipe, 2 be hush pipe, 3 be tail pipe, 4 be catalytic converter, 21 be inner cylinder, 22 is noise elimination cotton, 23
It is dividing plate for outer barrel, 24,25 be the 3rd expansion cavity, 26 be the first connecting tube, 27 be the second expansion cavity, 28 be resonant cavity, 29 is
First expansion cavity, 210 be the second connecting tube, 211 be resonance holes, 212 be sound attenuation hole, 31 be inner tube, 32 be outer tube, 33 be noise elimination
Cotton, 34 are sound attenuation hole.
Embodiment
Core of the present utility model there is provided a kind of muffler, on the premise of sound-damping qualities are met, and reduce muffler
Size.
The utility model also provides a kind of motorcycle of the application muffler, makes each part arrangement of motorcycle more reasonable.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-Fig. 5 is refer to, the utility model embodiment provides a kind of muffler, including hush pipe 2, the and of blast pipe 1
Tail pipe 3, wherein, the inlet communication of blast pipe 1 and hush pipe 2；Inside hush pipe 2 by hush pipe 2 entrance point to the port of export according to
It is secondary to be provided with the first expansion cavity 29, resonant cavity 28, the second expansion cavity 27 and the 3rd expansion cavity 25, and the first expansion cavity 29, resonance
Separated between chamber 28, the second expansion cavity 27 and the 3rd expansion cavity 25 by dividing plate 24；Catalytic converter is provided with hush pipe 2
4, catalytic converter 4 along hush pipe 2 axially across the first expansion cavity 29 and resonant cavity 28, the import of catalytic converter 4 and row
Tracheae 1 is connected, and the outlet of catalytic converter 4 is connected with the second expansion cavity 27；Second expansion cavity 27 passes through with the 3rd expansion cavity 25
First connecting tube 26 is connected, and the first connecting tube 26 is arranged on the dividing plate 24 between the second expansion cavity 27 and the 3rd expansion cavity 25；
3rd expansion cavity 25 is connected with the first expansion cavity 29 by the second connecting tube 210, i.e. the second connecting tube 210 passes through the second expansion cavity
Offer resonance holes 211 on 27 and resonant cavity 28, and the tube wall that is located in resonant cavity 28 of the second connecting tube 210, resonance holes 211 with
Resonant cavity 28 is connected；Tail pipe 3 connects through the 3rd expansion cavity 25, the second expansion cavity 27 and resonant cavity 28 and with the first expansion cavity 29
It is logical.
When the muffler works, the waste gas of engine enters in hush pipe 2 through blast pipe 1, first passes through catalytic converter 4 and enters
Row exhaust fume catalytic conversion processing, the harmful components in waste gas is converted into the gas that can be discharged, and the waste gas after processing turns from catalysis
Change in device 4 out, into the second expansion cavity 27, the 3rd expansion cavity 25 is entered by the first connecting tube 26, passes through the second connecting tube
210 turn back into the first expansion cavity 29, finally discharge hush pipe 2 from tail pipe 3.Exhaust noise is low in being eliminated in three expansion cavities
Frequency noise, when by the second connecting tube 210, is resonated with resonant cavity 28 by resonance holes 211, consumes the sound wave energy of noise
Amount, further reduces noise.
It can be seen that, the muffler in the application eliminates existing noise reduction tail chamber, and using two-part structure, noise reduction is laid out again
Cylinder 2, makes muffler structure compacter, while sound-damping qualities are met, reduces the size of muffler, alleviate weight.
As shown in Fig. 2 in the present embodiment, being offered on the dividing plate 24 between the first expansion cavity 29 and resonant cavity 28
Multiple through holes, are connected the first expansion cavity 29 with resonant cavity 28 by through hole, and waste gas is when by the second connecting tube 210, noise
Resonated by resonance holes 211 with the expansion cavity 29 of resonant cavity 28 and first, increase resonator chamber volume, so as to further consume
The sound wave energy of noise, further reduces noise.
In the present embodiment, in order to improve noise reduction degree, the cylinder of hush pipe 2 includes inner cylinder 21 and outer barrel 23, inner cylinder 21
Noise elimination cotton 22 is provided between outer barrel 23, noise is adsorbed by noise elimination cotton 22.
Further, in the present embodiment, multiple sound attenuation holes 212 are offered on the barrel of inner cylinder 21.Preferably, sound attenuation hole
212 are distributed on the barrel of inner cylinder 21.The inwall of silencing pot 2 is changed into resistance noise reduction structure by sound attenuation hole 212, increase to high frequency
The absorption of noise, so as to further reduce noise.
As shown in fig. 6, in the present embodiment, the pipeline section that tail pipe 3 is stretched into hush pipe 2 includes inner tube 31 and outer tube 32, interior
Noise elimination cotton 33 is provided between pipe 31 and outer tube 32.So as to when waste gas is by tail pipe 3, can further eliminate noise.
Further, in the present embodiment, multiple sound attenuation holes 34, sound attenuation hole are offered on the tube wall of inner tube 31 of tail pipe 3
34 are distributed on the tube wall of inner tube 31.Effect acts on identical with the sound attenuation hole 22 on hush pipe 2, increases the absorption to high-frequency noise,
So as to further reduce noise.
In the present embodiment, noise elimination cotton 22 and noise elimination cotton 33 are steel wire fibre, and height is further absorbed by steel wire fibre
Frequency noise, relative to glass fibre, improves the stability for insulating against sound and eliminating the noise at high temperature.
In order to further reduce the size of muffler, in the present embodiment, the cross sectional shape of hush pipe 2 is ellipse.When
So, it can also be needed to be configured according to actual arrangement using circle, rectangle, crescent etc..
The utility model embodiment additionally provides a kind of motorcycle, including muffler and engine, the blast pipe of muffler
Connected with the gas outlet of engine, wherein, muffler is the muffler described by all of the above embodiment.Due in the application
Silencer is while sound deadening capacity is met, and size reduces, and can more reasonably arrange, makes the structure of whole motorcycle tight
Gather.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (10)
1. a kind of muffler, it is characterised in that including hush pipe, blast pipe and tail pipe, the blast pipe and the hush pipe
Inlet communication；Inside the hush pipe separate by dividing plate is disposed with by entrance point to the port of export of the hush pipe
One expansion cavity, resonant cavity, the second expansion cavity and the 3rd expansion cavity；Catalytic converter, the catalysis are provided with the hush pipe
Converter passes through first expansion cavity and the resonant cavity, and the import of the catalytic converter is connected with the blast pipe, institute
The outlet for stating catalytic converter is connected with second expansion cavity；Second expansion cavity passes through first with the 3rd expansion cavity
Connecting tube is connected；3rd expansion cavity is connected with first expansion cavity by the second connecting tube, the second connecting tube position
In offering resonance holes on the tube wall in the resonant cavity；Tail pipe passes through the 3rd expansion cavity, second expansion cavity and institute
State resonant cavity and connected with first expansion cavity.
2. muffler according to claim 1, it is characterised in that between first expansion cavity and the resonant cavity
Dividing plate on offer multiple through holes.
3. muffler according to claim 1, it is characterised in that the cylinder of the hush pipe includes inner cylinder and outer barrel, institute
State and be provided with noise elimination cotton between inner cylinder and the outer barrel.
4. muffler according to claim 3, it is characterised in that multiple sound attenuation holes are offered on the barrel of the inner cylinder.
5. muffler according to claim 4, it is characterised in that the sound attenuation hole is distributed on the barrel of the inner cylinder.
6. muffler according to claim 1, it is characterised in that the pipeline section that the tail pipe is stretched into the hush pipe includes
Inner and outer tubes, noise elimination cotton is provided between said inner tube and the outer tube.
7. muffler according to claim 6, it is characterised in that multiple sound attenuation holes are offered on the tube wall of said inner tube.
8. the muffler according to claim any one of 3-7, it is characterised in that the noise elimination cotton is steel wire fibre.
9. the muffler according to claim any one of 1-7, it is characterised in that the cross sectional shape of the hush pipe is ellipse
Shape.
10. a kind of motorcycle, including muffler and engine, the gas outlet of the blast pipe of the muffler and the engine connect
It is logical, it is characterised in that the muffler is the muffler as described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176374.8U CN206513417U (en) | 2017-02-24 | 2017-02-24 | A kind of motorcycle and its muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176374.8U CN206513417U (en) | 2017-02-24 | 2017-02-24 | A kind of motorcycle and its muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206513417U true CN206513417U (en) | 2017-09-22 |
Family
ID=59869216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720176374.8U Active CN206513417U (en) | 2017-02-24 | 2017-02-24 | A kind of motorcycle and its muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206513417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230532A (en) * | 2019-06-25 | 2019-09-13 | 湖州新兴汽车部件有限公司 | A kind of exhaust pipe of high-efficient noise-reducing sound |
| CN112963383A (en) * | 2021-02-01 | 2021-06-15 | 杭州贝丰科技有限公司 | Noise reduction device, high-speed turbofan and breathing machine |
-
2017
- 2017-02-24 CN CN201720176374.8U patent/CN206513417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230532A (en) * | 2019-06-25 | 2019-09-13 | 湖州新兴汽车部件有限公司 | A kind of exhaust pipe of high-efficient noise-reducing sound |
| CN112963383A (en) * | 2021-02-01 | 2021-06-15 | 杭州贝丰科技有限公司 | Noise reduction device, high-speed turbofan and breathing machine |
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