CN201507340U - Motor cycle exhaust gas silencer - Google Patents
Motor cycle exhaust gas silencer Download PDFInfo
- Publication number
- CN201507340U CN201507340U CN2009201284217U CN200920128421U CN201507340U CN 201507340 U CN201507340 U CN 201507340U CN 2009201284217 U CN2009201284217 U CN 2009201284217U CN 200920128421 U CN200920128421 U CN 200920128421U CN 201507340 U CN201507340 U CN 201507340U
- Authority
- CN
- China
- Prior art keywords
- rear end
- conically shaped
- outlet pipe
- motor cycle
- conical barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003584 silencer Effects 0.000 title abstract 5
- 239000011358 absorbing material Substances 0.000 claims abstract description 11
- 230000030279 gene silencing Effects 0.000 claims description 16
- 210000004722 stifle Anatomy 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model provides a motor cycle exhaust gas silencer; the front end of a silencer barrel (1) is provided with a conical barrel (2), the rear end of a vent pipe (3) is stretched in the cavity of the silencer barrel (1) at the position of the conical barrel (2), and the vent pipe (3) and the front end of the conical barrel (2) are welded; the rear end of the conical barrel (2) is arranged in the conical barrel (2), the rear end of the inner cavity of the conical barrel (2) is provided with a clapboard (4) with a mesh hole (7), and a sound-absorbing material layer (5) is additionally arranged on the inner side wall of the conical barrel (2), the rear end of the vent pipe (3) is provided with a blank cap (6) with an airflow through hole, and radial small holes (9) are uniformly arranged on the pipe wall of the vent pipe (3), close to the rear end. The motor cycle exhaust gas silencer can effectively eliminate the oil return and shooting phenomenon of the motor cycle, after adopting the motor cycle, an ACV valve or a three way catalyst does not need to be additionally arranged, so as to reduce the manufacturing cost of the motor cycle.
Description
Technical field
The utility model relates to silencing apparatus, especially exhaust muffler for motorcycle.
Background technique
The intact inflammable mixture of motor unburned is met air in entering silencing apparatus the time and is rekindled and send explosive sound, is commonly called as muffler explosion, and it is the most common to blow out phenomenon with oil return on motorcycle.Therefore muffler explosion can cause engine operating temperature too high, and acceleration performance difference and travel has unablely influenced the life-span and the quality of motorcycle greatly.The way that solution motorcycle oil return is at present blown out normally increases ACV valve (velocity air recuperation valve or air cutoff valve) or TWC Three Way Catalytic on Carburetor, but can increase the manufacture cost of motorcycle like this, and on Carburetor, install the restriction that the ACV valve also is subjected to assembly space additional.
The model utility content
Problem to be solved in the utility model provides a kind of improved exhaust muffler for motorcycle, has had need not install ACV valve or TWC Three Way Catalytic behind this silencing apparatus additional just can eliminate the oil return of motorcycle and blow out phenomenon on Carburetor.
For solving the problems of the technologies described above, the exhaust muffler for motorcycle that the utility model provides contains outlet pipe and silencing apparatus tube, and the front end of silencing apparatus tube is a conically shaped, and the silencing apparatus tube inner chamber is stretched into from conically shaped in the outlet pipe rear end; The rear end of outlet pipe is positioned at conically shaped, is provided with the dividing plate of band mesh in the rear end of conically shaped inner chamber, has additional one deck sound-absorbing material on the madial wall of conically shaped; The rear end of outlet pipe is provided with the stifle of band air-flow via hole, and is close at outlet pipe on the tube wall of rear end and is provided with radial hole uniformly.
This type of traditional silencing apparatus, its outlet pipe rear end enters into first anechoic room after passing the conically shaped inner chamber, and the outlet pipe rear port does not have any stopping, when the high-temp waste gas of motor with at a high speed when outlet pipe enters into first anechoic room, if contain in the waste gas without clean-burning inflammable mixture, then inflammable mixture is met the air flash fire at first anechoic room, blows out phenomenon thereby produce.
The utility model is withdrawn into the rear end of outlet pipe and is positioned at conically shaped, and the dividing plate of band mesh is set in the rear end of conically shaped inner chamber, thereby the conically shaped inner chamber is separated first chamber that enters silencing apparatus as waste gas.High temperature and high speed waste gas in the outlet pipe is under the stopping of outlet pipe rear port stifle, through air-flow via hole on the stifle and the radial hole on the exhaust wall, be divided into many threads and enter the conically shaped inner chamber, air-flow is expanded, flow velocity reduces, powerful microseismic noise is decayed, and the sound-absorbing material on the conically shaped madial wall not only absorbs sound, and air-flow is also played the energy-absorbing buffering effect.Contain inflammable mixture even enter in the waste gas of conically shaped inner chamber, but, also can not send explosive sound when in the conically shaped inner chamber, meeting air burning because flow velocity reduces greatly.Air-flow after flow velocity the reduces mesh on dividing plate again is dispersed and enters next chamber, flow velocity further reduces air-flow through reexpanding, this moment, the temperature of air-flow reduced greatly, was lower than the burning-point of inflammable mixture, thereby reached the purpose of eliminating muffler explosion.
The technique effect that the utility model is obtained is: effectively eliminated the phenomenon that the motorcycle oil return is blown out, need not install ACV valve or TWC Three Way Catalytic additional after adopting this silencing apparatus on Carburetor, thereby reduced the manufacture cost of motorcycle.
Description of drawings
Accompanying drawing is a structural representation of the present utility model;
Among the figure: 1. silencing apparatus tube; 2. conically shaped; 3. outlet pipe; 4. dividing plate; 5. sound-absorbing material; 6. stifle; 7. mesh; 8. air-flow via hole; 9. radial hole; 10. inner conical-tube; 11. Stainless Steel Cloth.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Referring to accompanying drawing, a kind of exhaust muffler for motorcycle, the front end of silencing apparatus tube 1 are conically shaped 2, and silencing apparatus tube 1 inner chamber is stretched into from conically shaped 2 in outlet pipe 3 rear ends, outlet pipe 3 and the welding of conically shaped 2 front ends.The rear end of outlet pipe 3 is positioned at conically shaped 2, is provided with the dividing plate 4 of band mesh 7 in the rear end of conically shaped 2 inner chambers, has additional one deck sound-absorbing material 5 on the madial wall of conically shaped 2.The rear end of outlet pipe 3 is provided with the stifle 6 of band air-flow via hole 8, and is close at outlet pipe 3 on the tube wall of rear end and is provided with radial hole 9 uniformly.
The dividing plate 4 of band mesh 7 separates first chamber that enters silencing apparatus as waste gas with conically shaped 2 inner chambers, and the rear end of outlet pipe 3 is withdrawn into and is positioned at conically shaped 2.The high temperature and high speed waste gas that outlet pipe is 3 li is under the stopping of stifle 6, radial hole 9 on air-flow via hole 8 on the stifle 6 and outlet pipe 3 walls, be divided into many threads and enter conically shaped 2 inner chambers, air-flow is expanded, flow velocity reduces, powerful microseismic noise is decayed, and the sound-absorbing material 5 on conically shaped 2 madial walls not only absorbs sound, and air-flow is also played the energy-absorbing buffering effect.Contain inflammable mixture even enter in the waste gas of conically shaped 2 inner chambers, but, also can not send explosive sound when in conically shaped 2 inner chambers, meeting air burning because flow velocity reduces greatly.Air-flow after flow velocity the reduces mesh on dividing plate 47 again is dispersed and enters next chamber, flow velocity further reduces air-flow through reexpanding, this moment, the temperature of air-flow reduced greatly, was lower than the burning-point of inflammable mixture, thereby had reached the purpose of eliminating muffler explosion.
From accompanying drawing, also can further find out: the inner conical-tube 10 that in conically shaped 2, is provided with a band mesh, sound-absorbing material 5 is installed between inner conical-tube 10 and the conically shaped 2, inner conical-tube 10 not only plays the effect of support fixation to sound-absorbing material 5, can also increase the roughness of sound-absorbing material wall, reduce gas flow rate.
The sidewall of dividing plate 4 is provided with Stainless Steel Cloth 11, and the hole on the Stainless Steel Cloth 11 is more fine and closely woven, and is more obvious to the reduction of speed effect of air-flow.And, Stainless Steel Cloth 11 has been arranged after, the mesh on the dividing plate 4 just can be De Taimi, to improve its intensity, has guaranteed its fixed support effect to Stainless Steel Cloth 11.
Claims (3)
1. exhaust muffler for motorcycle, comprise outlet pipe and silencing apparatus tube, the front end of silencing apparatus tube is a conically shaped, the silencing apparatus tube inner chamber is stretched into from conically shaped in the outlet pipe rear end, it is characterized in that: the rear end of described outlet pipe is positioned at conically shaped, be provided with the dividing plate of band mesh in the rear end of conically shaped inner chamber, have additional one deck sound-absorbing material on the madial wall of conically shaped; The rear end of outlet pipe is provided with the stifle of band air-flow via hole, and is close at outlet pipe on the tube wall of rear end and is provided with radial hole uniformly.
2. a kind of exhaust muffler for motorcycle as claimed in claim 1 is characterized in that: be provided with the inner conical-tube of a band mesh in described conically shaped, sound-absorbing material is installed between inner conical-tube and the conically shaped.
3. a kind of exhaust muffler for motorcycle as claimed in claim 1 or 2 is characterized in that: the sidewall of described dividing plate is provided with Stainless Steel Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201284217U CN201507340U (en) | 2009-08-13 | 2009-08-13 | Motor cycle exhaust gas silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201284217U CN201507340U (en) | 2009-08-13 | 2009-08-13 | Motor cycle exhaust gas silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507340U true CN201507340U (en) | 2010-06-16 |
Family
ID=42468468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201284217U Expired - Fee Related CN201507340U (en) | 2009-08-13 | 2009-08-13 | Motor cycle exhaust gas silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742412A (en) * | 2014-01-14 | 2014-04-23 | 云南大红山管道有限公司 | Water-ring vacuum pump exhaust pipe noise eliminating device |
-
2009
- 2009-08-13 CN CN2009201284217U patent/CN201507340U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742412A (en) * | 2014-01-14 | 2014-04-23 | 云南大红山管道有限公司 | Water-ring vacuum pump exhaust pipe noise eliminating device |
| CN103742412B (en) * | 2014-01-14 | 2016-01-27 | 云南大红山管道有限公司 | A kind of Nash hytor outlet pipe noise absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20130813 |