CN220036755U - Air outlet pipe assembly of automobile exhaust emission muffler - Google Patents
Air outlet pipe assembly of automobile exhaust emission muffler Download PDFInfo
- Publication number
- CN220036755U CN220036755U CN202320435223.5U CN202320435223U CN220036755U CN 220036755 U CN220036755 U CN 220036755U CN 202320435223 U CN202320435223 U CN 202320435223U CN 220036755 U CN220036755 U CN 220036755U
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- China
- Prior art keywords
- silencing
- automobile exhaust
- muffler
- filtering
- filter screen
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- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 230000030279 gene silencing Effects 0.000 claims abstract description 26
- 229920000742 Cotton Polymers 0.000 claims abstract description 8
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims description 29
- 230000008030 elimination Effects 0.000 claims description 9
- 238000003379 elimination reaction Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 4
- 230000003584 silencer Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 230000001743 silencing effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 239000011362 coarse particle Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Abstract
The utility model relates to the technical field of automobile exhaust gas outlet pipes, in particular to an outlet pipe component of an automobile exhaust gas emission muffler, which comprises a muffler, wherein the muffler consists of a filtering mechanism and a silencing mechanism, one end of the filtering mechanism is fixedly sleeved with an outlet component, one end of the silencing mechanism is fixedly sleeved with an inlet pipe, the outlet component comprises a connecting sleeve, an outlet pipe and a connecting bent pipe, the connecting sleeve is made of elastic materials and is fixedly connected with one end of the filtering mechanism, the first end of the connecting sleeve is integrally communicated with the connecting sleeve, the second end of the connecting sleeve is fixedly connected with the connecting bent pipe and is used for guiding out automobile exhaust gas, the silencing mechanism comprises a silencing bin and a resonant cavity, soundproof cotton is arranged in the outlet pipe, two-section silencing treatment is carried out in the exhaust gas emission process, the silencing bin and the resonant cavity can increase the turning-back flowing space of the exhaust gas, the space utilization rate of the silencing bin is improved, the silencing effect is improved, and a hose and a soundproof cotton structure is arranged at the outlet pipe to form a better soundproof structure.
Description
Technical field:
the utility model relates to the technical field of automobile exhaust gas outlet pipes, in particular to an outlet pipe component of an automobile exhaust gas emission muffler.
The background technology is as follows:
at present, a great deal of noise can be generated in the automobile exhaust emission process to cause noise pollution, therefore, the muffler can be added in the automobile exhaust emission process to reduce the noise, but the noise elimination effect of the existing muffler is not good enough, so that the noise in the automobile exhaust emission process is still very large, and for the purposes of saving energy and reducing emission and protecting the environment, china pushes new 6B type gasoline, the new six B type gasoline is more sufficient compared with the traditional national standard gasoline, so that more water can be generated after the full combustion, the water can be discharged along with an exhaust emission pipe, but more pollutants in the exhaust are dissolved in water and then can be attached in a channel of the muffler, more carbon deposits or sundries are formed in the muffler air outlet pipe over time to cause damage or blockage of a muffler sleeve pipe set, the air filter air outlet pipe structure and the automobile are disclosed in China patent CN113623095A, and the aim at solving the problems that the space utilization rate of the structure of a resonant cavity of the muffler is low, the broadband noise reduction device cannot be met, and the noise reduction requirements of an engine can not be met, and the utility model is more improved in terms of the aspect of improving the noise reduction and the noise reduction pipe, and the noise reduction requirements are more important compared with the noise reduction pipe.
The utility model comprises the following steps:
the utility model aims to solve the existing problems and provides an air outlet pipe component of an automobile exhaust emission muffler.
The technical solution of the utility model is as follows:
the utility model provides an outlet duct subassembly of automobile exhaust emission silencer, including the silencer, the silencer comprises filtering mechanism and noise elimination mechanism, filtering mechanism's one end fixed sleeve has given vent to anger the subassembly, noise elimination mechanism's one end fixed sleeve has given vent to anger the subassembly and has included adapter sleeve, outlet duct and connecting return bend, adapter sleeve is made by elastic material and with filtering mechanism's one end fixed connection, the outlet duct has relative first end and the second end that sets up, first end and adapter sleeve integrative intercommunication, the second end is used for deriving automobile exhaust with connecting return bend fixed connection.
As the preferable technical scheme, filtering mechanism includes filter screen portion and strain miscellaneous portion, and the one end and the adapter sleeve fixed connection of filter screen portion strain miscellaneous portion's one end and noise elimination mechanism fixed connection, filter screen portion and strain miscellaneous portion and pass through the screw spiro union and fix and inside shaping have the sealed cavity that is used for filtering through gas.
As the preferable technical scheme, the impurity removal filter screen is fixedly arranged in the filter screen part, a partition plate is formed in the impurity removal part, the inner cavity of the impurity removal part is divided into an upper cavity and a lower cavity which are independent through the partition plate, the upper cavity is communicated with the noise elimination mechanism, and a through hole communicated with the outside is formed in the bottom wall of the lower cavity.
As the preferable technical scheme, the silencing mechanism comprises a silencing bin and a resonant cavity arranged on the outer wall of the silencing bin, and the resonant cavity is communicated with the inside of the silencing bin.
As the preferable technical scheme, the inner cavity wall of the air outlet pipe is provided with soundproof cotton.
As the preferable technical scheme, the bottom of outlet duct is fixed and is provided with crashproof board, crashproof board's both ends respectively with outlet duct and filter screen portion welded fastening.
The utility model has the beneficial effects that:
1. the utility model provides an air outlet pipe component of an automobile exhaust emission muffler, which comprises a muffler bin and a resonant cavity, wherein an acoustic cotton is arranged in the air outlet pipe, two-section noise reduction treatment is carried out in the exhaust emission process, the muffler bin and the resonant cavity can increase the turn-back flow space of the exhaust, the space utilization rate of the muffler bin is improved, the noise reduction effect is improved, and a hose and acoustic cotton structure is arranged at the air outlet pipe to form a better acoustic structure.
2. The utility model provides an air outlet pipe component of an automobile exhaust emission muffler, which is provided with a filter screen mechanism, wherein the filter screen mechanism comprises a impurity removal filter screen, a partition plate, an upper cavity, a lower cavity and a through hole, the impurity removal filter screen can separate water vapor from most of coarse particles, and the separated impurities can be removed or collected through the through hole in the lower cavity, so that the blockage of a pipeline caused by the impurities is avoided.
3. According to the air outlet pipe component of the automobile exhaust emission muffler, the anti-collision plate is arranged at the bottom of the air outlet pipe, so that the air outlet pipe is prevented from being damaged when chassis is scratched and the like in the form process of an automobile.
Description of the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic internal cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the structure of the filter screen part of the present utility model;
FIG. 4 is a schematic diagram of a filtering portion according to the present utility model;
in the accompanying drawings: 1. a muffler; 2. a filtering mechanism; 3. a sound damping mechanism; 4. an air outlet assembly; 5. an air inlet pipe; 6. a connection sleeve; 7. an air outlet pipe; 8. a connecting bent pipe; 9. soundproof cotton; 10. an anti-collision plate; 201. a filter screen part; 202. removing impurities and filtering a filter screen; 203. a impurity filtering part; 204. a partition plate; 205. an upper cavity; 206. a lower cavity; 207. a through hole; 301. a silencing bin; 302. a resonant cavity; 701. a first end; 702. a second end.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, an air outlet pipe assembly of an automobile exhaust emission muffler comprises a muffler 1, wherein the muffler 1 is composed of a filtering mechanism 2 and a silencing mechanism 3, one end of the filtering mechanism 2 is fixedly sleeved with an air outlet assembly 4, one end of the silencing mechanism 3 is fixedly sleeved with an air inlet pipe 5, the air outlet assembly 4 comprises a connecting sleeve 6, an air outlet pipe 7 and a connecting bent pipe 8, the connecting sleeve 6 is made of elastic materials and is fixedly connected with one end of the filtering mechanism 2, the air outlet pipe 7 is provided with a first end 701 and a second end 702 which are oppositely arranged, the first end 701 is integrally communicated with the connecting sleeve 6, and the second end 702 is fixedly connected with the connecting bent pipe 8 and is used for guiding out automobile exhaust.
Further, the filtering mechanism 2 includes a filtering screen portion 201 and a filtering impurity portion 203, one end of the filtering screen portion 201 is fixedly connected with the connecting sleeve 6, one end of the filtering impurity portion 203 is fixedly connected with the silencing mechanism 3, and the filtering screen portion 201 and the filtering impurity portion 203 are fixedly connected through screws and are internally provided with a sealing cavity for filtering passing gas.
Further, the impurity removing filter screen 202 is fixedly installed in the filter screen part 201, the partition 204 is formed in the impurity filtering part 203, the inner cavity of the impurity filtering part 203 is divided into an upper cavity 205 and a lower cavity 206 which are independent through the partition 204, the upper cavity 205 is communicated with the noise elimination mechanism 3, a through hole 207 communicated with the outside is formed in the bottom wall of the lower cavity 206, the impurity removing filter screen 201, the partition 204, the upper cavity 205, the lower cavity 206 and the through hole 207 are formed in the filter screen mechanism 2, the impurity removing filter screen 202 can separate water vapor from most of coarse particles, and separated impurities can be removed or collected through the through holes in the lower cavity, so that the blockage of a pipeline caused by the impurities is avoided.
Further, the silencing mechanism 3 comprises a silencing bin 301 and a resonant cavity 302 arranged on the outer wall of the silencing bin 301, the resonant cavity 302 is communicated with the inside of the silencing bin 301, the turning-back flowing space of tail gas can be increased, the space utilization rate of the silencing bin is improved, and the silencing effect is improved.
Further, be provided with soundproof cotton 9 on the inner chamber wall of outlet duct 7, increase the sound insulation effect.
Further, the bottom of outlet duct 7 is fixed and is provided with crashproof board 10, and crashproof board 10's both ends respectively with outlet duct 7 and filter screen portion 201 welded fastening, produce the damage to the outlet duct when avoiding the car to take place the chassis in-process to scratch the condition such as rubbing.
When the device is used, after installation, tail gas is guided to the air inlet pipe 5 and enters the sound insulation mechanism 3, after the back flow and buffering are carried out in the silencing cavity 701 and the resonant cavity 702 of the sound insulation mechanism 3, the flow speed of the gas is reduced, the noise volume is reduced through the resonant cavity 702, then the tail gas enters the impurity removing part 203 of the filtering device 2, enters the filter screen part 201 along the upper cavity 205 of the impurity removing part 203, water and large particles are filtered by the impurity removing filter screen 202, polluted liquid formed after dissolution and mixing flows back to the lower cavity 206 of the impurity removing part 203, the polluted liquid is discharged through the through hole 207, the blocking of an air outlet pipeline is avoided, and the rest tail gas is discharged through the connecting sleeve 6, the air outlet pipe 7 and the connecting bent pipe 8.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. An outlet duct assembly of an automobile exhaust emission muffler, comprising a muffler (1), characterized in that: the silencer (1) comprises filtering mechanism (2) and noise elimination mechanism (3), the one end of filtering mechanism (2) is fixed to be cup jointed and is given vent to anger subassembly (4), the one end of noise elimination mechanism (3) is fixed to be cup jointed intake pipe (5), give vent to anger subassembly (4) including adapter sleeve (6), outlet duct (7) and connecting return bend (8), adapter sleeve (6) are made by elastic material and with the one end fixed connection of filtering mechanism (2), outlet duct (7) have first end (701) and second end (702) of relative setting, first end (701) and adapter sleeve (6) an organic whole intercommunication, second end (702) are used for deriving automobile exhaust with connecting return bend (8) fixed connection.
2. An outlet duct assembly of an automobile exhaust muffler as defined in claim 1, wherein: the filtering mechanism (2) comprises a filter screen part (201) and a impurity filtering part (203), one end of the filter screen part (201) is fixedly connected with the connecting sleeve (6), one end of the impurity filtering part (203) is fixedly connected with the silencing mechanism (3), and the filter screen part (201) and the impurity filtering part (203) are fixedly connected through screws in a screwed mode and are internally provided with a sealing cavity for filtering gas.
3. An outlet duct assembly of an automobile exhaust muffler as set forth in claim 2 wherein: the filter screen part (201) internally and fixedly provided with a impurity removal filter screen (202), the impurity removal part (203) internally is formed with a partition plate (204), the inner cavity of the impurity removal part (203) is divided into an upper cavity (205) and a lower cavity (206) which are independent from each other through the partition plate (204), the upper cavity (205) is communicated with the noise elimination mechanism (3), and the bottom wall of the lower cavity (206) is formed with a through hole (207) communicated with the outside.
4. An outlet duct assembly of an automobile exhaust muffler as defined in claim 1, wherein: the silencing mechanism (3) comprises a silencing bin (301) and a resonant cavity (302) arranged on the outer wall of the silencing bin (301), and the resonant cavity (302) is communicated with the inside of the silencing bin (301).
5. A gas outlet tube assembly of an automobile exhaust muffler as claimed in claim 1 or 3, wherein: an acoustic insulation cotton (9) is arranged on the inner cavity wall of the air outlet pipe (7).
6. An outlet duct assembly of an automobile exhaust muffler as set forth in claim 2 wherein: an anti-collision plate (10) is fixedly arranged at the bottom of the air outlet pipe (7), and two ends of the anti-collision plate (10) are respectively welded and fixed with the air outlet pipe (7) and the filter screen part (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320435223.5U CN220036755U (en) | 2023-03-09 | 2023-03-09 | Air outlet pipe assembly of automobile exhaust emission muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320435223.5U CN220036755U (en) | 2023-03-09 | 2023-03-09 | Air outlet pipe assembly of automobile exhaust emission muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220036755U true CN220036755U (en) | 2023-11-17 |
Family
ID=88732990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320435223.5U Active CN220036755U (en) | 2023-03-09 | 2023-03-09 | Air outlet pipe assembly of automobile exhaust emission muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220036755U (en) |
-
2023
- 2023-03-09 CN CN202320435223.5U patent/CN220036755U/en active Active
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