CN206419091U - Automotive muffler and automobile - Google Patents
Automotive muffler and automobile Download PDFInfo
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- CN206419091U CN206419091U CN201720013149.2U CN201720013149U CN206419091U CN 206419091 U CN206419091 U CN 206419091U CN 201720013149 U CN201720013149 U CN 201720013149U CN 206419091 U CN206419091 U CN 206419091U
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- chamber
- perforated pipe
- dividing plate
- shell body
- automotive muffler
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Abstract
The utility model provides a kind of automotive muffler and automobile, wherein, automotive muffler includes：At least two dividing plates are provided with shell body and the end cap for being connected to shell body both sides, the cavity that shell body and end cap are surrounded, cavity is divided into left reflective chamber, at least one intermediate cavity and right reflective chamber；Also include：First perforated pipe, the second perforated pipe, the 3rd perforated pipe and the 4th perforated pipe, first perforated pipe, which is plugged on dividing plate, to be used to connect intermediate cavity and left reflective chamber, and the second perforated pipe, which is plugged on dividing plate, to be used to connect left reflective chamber and the gas outlet covered positioned at shell body right-hand end；3rd perforated pipe, which is plugged on dividing plate, to be used to connect intermediate cavity and right reflective chamber, and the 4th perforated pipe, which is plugged on dividing plate, to be used to connect right reflective chamber and the gas outlet covered positioned at shell body left-hand end.The automotive muffler and automobile that the utility model is provided can reduce the low-frequency noise carried in gas, and then reduce the exhaust roar of automobile.
Description
Technical field
The utility model is related to automotive muffler structure technology, more particularly to a kind of automotive muffler and automobile.
Background technology
Automotive muffler is one of important component of automobile, and what its major function was produced when being reduction engine work makes an uproar
Sound.Fig. 1 is the external view of silencer of the prior art, and Fig. 2 is the stereogram of silencer of the prior art, and Fig. 3 is existing
There is the plan front view of the silencer in technology.As shown in Figure 1 to Figure 3, silencer includes shell body 1 and end cap 2, and end cap 2 connects
It is connected on the both sides of shell body 1 and surrounds a cavity with shell body 1.The top of shell body 1 offers air inlet, air inlet connection
There is air inlet pipe 11.Exhaust outlet is provided with the end cap 2 of the both sides of shell body 1, exhaust outlet is connected with blast pipe 12.In above-mentioned cavity
It is provided with five dividing plates 13 being intervally arranged along the length direction of shell body 1, dividing plate 13 and offers passage 14.Five dividing plates 13
Above-mentioned cavity is divided into six sound insulation chambers, the first sound insulation chamber, the second sound insulation chamber, the 3rd sound insulation are followed successively by from left to right
Chamber, the 4th sound insulation chamber, the 5th sound insulation chamber and the 6th sound insulation chamber.Air inlet is located at the top of the 4th sound insulation chamber, with
One end of air inlet pipe 11 is connected, and the other end of air inlet pipe 11 is stretched into the 4th sound insulation chamber.
The first perforated pipe 16, the second perforated pipe 17, the 3rd perforated pipe 18 and the 4th perforated pipe are additionally provided with above-mentioned cavity
19, wherein, one end of the first perforated pipe 16 is located in the first sound insulation chamber, and the other end sequentially passes through to the right position after two dividing plates 13
In in the 3rd sound insulation chamber.One end of second perforated pipe 17 is connected with the exhaust outlet on right side end cap 2, and the other end is worn successively to the left
Cross after three dividing plates 13 and be located in the 3rd sound insulation chamber.One end of 3rd perforated pipe 18 is located in the 6th sound insulation chamber, the other end
Sequentially pass through and be located at after two dividing plates 13 in the 4th sound insulation chamber to the left.On one end of 4th perforated pipe 19 and left side end cap 2
Steam vent is connected, and the other end is sequentially passed through to the right to be located in the 3rd sound insulation chamber after two dividing plates 13.The gas entered from air inlet
Body can flow along two passages, one is entering the first sound insulation chamber by the first perforated pipe 16 to the left from the 4th sound insulation chamber
Room, then sequentially passes through to the right the second sound insulation chamber and the 3rd sound insulation chamber, enters back into after the second perforated pipe 17 from right side end cap 2
Exhaust outlet discharge；The second is reaching the 6th sound insulation chamber through the 5th sound insulation chamber to the right from the 4th sound insulation chamber, then
By the 3rd perforated pipe 18, then the 4th sound insulation chamber and the 3rd sound insulation chamber are sequentially passed through to the left, into after the 4th perforated pipe
Discharged from the exhaust outlet of left side end cap 2.
Gas is passed through from the passage 14 on dividing plate 13, and between sound insulation chamber during flowing, its high-frequency noise
Can more efficiently it be reduced, but low-frequency noise still has so that automobile is when starting to walk for one grade and one grade is changed two grades
When the exhaust roar that exists it is larger.
Utility model content
A kind of automotive muffler of the utility model offer and automobile, the low-frequency noise carried for reducing in gas, and then
Reduce the exhaust roar of automobile.
The utility model provides a kind of automotive muffler, including：Shell body and the end cap for being connected to the shell body both sides,
The shell body and end cap surround be provided with a cavity, the cavity along the shell body length direction be intervally arranged to
Few two dividing plates, the dividing plate is provided with passage；The cavity is divided into left reflective chamber, extremely by least two dividing plate
A few intermediate cavity and right reflective chamber, at least one described intermediate cavity are located at the left reflective chamber and right reflective chamber
Between；
Also include：First perforated pipe, the second perforated pipe, the 3rd perforated pipe and the 4th perforated pipe, wherein, first perforation
Pipe, which is plugged on the dividing plate, to be used to connect the intermediate cavity and left reflective chamber, second perforated pipe be plugged in it is described every
It is used to connect the left reflective chamber and the gas outlet covered positioned at shell body right-hand end on plate；3rd perforated pipe is plugged in
It is used to connect the intermediate cavity and right reflective chamber on the dividing plate, the 4th perforated pipe, which is plugged on the dividing plate, to be used for
Connect the right reflective chamber and the gas outlet covered positioned at shell body left-hand end.
Automotive muffler as described above, the quantity of the dividing plate is five, including：First dividing plate, second partition, the 3rd
Dividing plate, the 4th dividing plate and the 5th dividing plate；The intermediate cavity include array from left to right the first from left chamber, the second from left chamber,
Inlet plenum and a right chamber.
Automotive muffler as described above, first perforated pipe sequentially passes through the second partition from the second from left chamber
Enter the left reflective chamber with the first dividing plate.
Noise elimination cotton is provided with automotive muffler as described above, the first from left chamber.
Offered on automotive muffler as described above, the pipeline that second perforated pipe is located in the first from left chamber logical
Stomata.
Automotive muffler as described above, the 3rd perforated pipe sequentially passes through the 4th dividing plate from the inlet plenum
Enter the right reflective chamber with the 5th dividing plate.
Noise elimination cotton is provided with automotive muffler as described above, a right chamber.
Offered on automotive muffler as described above, the pipeline that the 4th perforated pipe is located in a right chamber logical
Stomata.
The utility model also provides a kind of automobile, including：Automotive muffler as described above.
Technical scheme provided by the utility model, extends the length of the second perforated pipe, directly from positioned at high order end
Left reflective chamber is communicated to the end cap on right side, and extends the length of the 4th perforated pipe, the directly right reflection cavity from low order end
Room is communicated to the end cap in left side, and gas mainly in the second perforated pipe and the 4th perforation Bottomhole pressure, can reduce the flow velocity of gas
And energy, the low-frequency noise that gas has also is reduced, the exhaust existed at two grades is changed with one grade when reducing one grade of starting and bangs
Song.
Brief description of the drawings
Fig. 1 is the external view of silencer of the prior art；
Fig. 2 is the stereogram of silencer of the prior art；
Fig. 3 is the plan front view of silencer of the prior art；
The plan front view for the silencer that Fig. 4 provides for the utility model embodiment；
The stereogram for the silencer that Fig. 5 provides for the utility model embodiment.
Reference：
1- shell bodies；11- air inlet pipe；12- blast pipes；
13- dividing plates；14- passages；The perforated pipes of 16- first；
The perforated pipes of 17- second；The perforated pipes of 18- the 3rd；The perforated pipes of 19- the 4th；
2- end caps；The left reflective chambers of 31-；32- the first from left chambers；
33- the second from left chambers；34- inlet plenums；One chamber of the 35- right sides；
The right reflective chambers of 36-；The dividing plates of 131- first；132- second partitions；
The dividing plates of 133- the 3rd；The dividing plates of 134- the 4th；The dividing plates of 135- the 5th.
Embodiment
The plan front view for the silencer that Fig. 4 provides for the utility model embodiment, Fig. 5 is that the utility model embodiment is carried
The stereogram of the silencer of confession.As shown in Figure 4 and Figure 5, the present embodiment provides a kind of automotive muffler, including：Shell body 1 and company
The end cap 2 of the both sides of shell body 1 is connected on, shell body 1 and end cap 2, which are surrounded, to be provided with a cavity, the cavity along the length of shell body 1
At least two dividing plates that direction is intervally arranged, dividing plate is provided with passage 14.Above-mentioned cavity is divided into a left side by least two dividing plates
Reflective chamber 31, at least one intermediate cavity and right reflective chamber 36, at least one intermediate cavity are located at the left He of reflective chamber 31
Between right reflective chamber 36, the shell body 1 at the top of intermediate cavity is provided with air inlet.First is additionally provided with above-mentioned cavity to wear
Hole pipe 16, the second perforated pipe 17, the 3rd perforated pipe 18 and the 4th perforated pipe 19.
Wherein, the first perforated pipe 16, which is plugged on dividing plate, is used to connect intermediate cavity and left reflective chamber 31, the second perforation
Pipe 17, which is plugged on dividing plate, to be used to connect left reflective chamber 31 and the gas outlet on the right side end cap 2 of shell body 1.Then from air inlet
Mouth enters the gas in intermediate cavity and can entered by the first perforated pipe 16 in left reflective chamber 31, then passes through the second perforation again
Pipe 17 is discharged from the gas outlet on right side end cap 2.
3rd perforated pipe 18, which is plugged on dividing plate, to be used to connect intermediate cavity and right reflective chamber 36, and the 4th perforated pipe 19 is inserted
Being located on dividing plate is used to connect right reflective chamber 36 and the gas outlet on the left side end cap 2 of shell body 1.Then enter from air inlet
Gas in intermediate cavity can be entered in right reflective chamber 36 by the 3rd perforated pipe 18, then again by the 4th perforated pipe 19 from
Gas outlet discharge on left side end cap 2.
In the prior art, during gas flows between sound insulation chamber, there is low-frequency noise can not be eliminated for it.And
The technical scheme that the present embodiment is provided, extends the length of the second perforated pipe 17, directly from the left reflection cavity positioned at high order end
Room 31 is communicated to the end cap 2 on right side, and extends the length of the 4th perforated pipe 19, the directly right reflective chamber 36 from low order end
The end cap 2 in left side is communicated to, gas mainly flows in the second perforated pipe 17 and the 4th perforated pipe 19, can reduce the stream of gas
Speed and energy, also reduce the low-frequency noise that gas has, reduce one grade starting when and one grade change the exhaust existed at two grades
Roar.
For above-mentioned silencer, the present embodiment provides the sky in a kind of specific structure, reference picture 4 and Fig. 5, shell body 1
Five dividing plates are provided with chamber, are respectively：First dividing plate 131, second partition 132, the 3rd dividing plate 133, the 4th dividing plate 134 and
Above-mentioned cavity is divided into six chambers by five dividing plates 135, five dividing plates, except the left reflective chamber 31 positioned at the leftmost side and most right
Outside the right reflective chamber 36 of side, remaining chamber as intermediate cavity, specifically may include the first from left arrayed from left to right
Chamber 32, the second from left chamber 33, inlet plenum 34 and a right chamber 35.Air inlet may be provided at the top of inlet plenum 34.Five
Passage 14 is provided with dividing plate.
First perforated pipe 16 sequentially passes through the dividing plate 131 of second partition 132 and first from the second from left chamber 33 and enters left reflection cavity
Room 31.One end of second perforated pipe 17 is located in left reflective chamber 31, and the other end sequentially passes through to the right the first dividing plate 131, second
The exhaust outlet of right side end cap 2 is connected to after dividing plate 132, the 3rd dividing plate 133, the 4th dividing plate 134 and the 5th dividing plate 135.Then air inlet
The passage 14 that gas in chamber 34 is first passed through on the 3rd dividing plate 133 enters in the second from left chamber 33, is worn then along first
Hole pipe 16 enters in left reflective chamber 31, is discharged further along the second perforated pipe 17.
3rd perforated pipe 18 sequentially passes through the 4th dividing plate 134 from inlet plenum 34 and the 5th dividing plate 135 enters right reflection cavity
Room 36.One end of 4th perforated pipe 19 is located in right reflective chamber 36, and the other end sequentially passes through the 5th dividing plate the 135, the 4th to the left
The exhaust outlet of left side end cap 2 is connected to after dividing plate 134, the 3rd dividing plate 133, the dividing plate 131 of second partition 132 and first.Then from entering
Gas in gas chamber 34 enters in right reflective chamber 36 along the 3rd perforated pipe 18, is discharged then along the 4th perforated pipe 19.
Further, passage 14 is opened up on the pipeline that the first perforated pipe 16 is located in the first from left chamber 32, and the
Passage 14 is also opened up on the pipeline that two perforated pipes 17 are located in the first from left chamber 32, so that gas is in the first perforated pipe 16 and second
It can also enter during being flowed in perforated pipe 17 in the first from left chamber 32.Noise elimination cotton is set in the first from left chamber 32, further
The energy of gas is reduced, and then reduces noise.
Similar, passage 14 is opened up on the pipeline that the 3rd perforated pipe 18 is located in a right chamber 35, and the 4th
Passage 14 is also opened up on the pipeline that perforated pipe 19 is located in a right chamber 35, so that gas is worn in the 3rd perforated pipe 18 and the 4th
It can also enter during being flowed in hole pipe 19 in a right chamber 35.Noise elimination cotton is set in a right chamber 35, further drop
The energy of low gas, and then reduce noise.
On the basis of above-mentioned technical proposal, the diameter of each perforated pipe can also be suitably reduced, can further be reduced
The flow velocity of gas, weakens the energy of gas, and then reduce noise.
It is preferred that, the quantity of each dividing plate upper vent hole 14 can also be suitably reduced, to slow down the speed that gas passes through dividing plate
Degree, equivalent to the time that gas exists in the first from left chamber 32 and a right chamber 35 is extended, so that the energy of gas is eliminated the noise
Cotton fully absorbs, and then roar when reducing by one grade of starting (800-1000rpm) or when one grade is changed two grades.
The present embodiment also provides a kind of automobile, including the automotive muffler provided such as above-mentioned content, extends second and wears
The length of hole pipe 17, is directly communicated to the end cap 2 on right side from the left reflective chamber 31 positioned at high order end, and extends the 4th and wear
The length of hole pipe 19, is directly communicated to the end cap 2 in left side, gas is mainly in the second perforated pipe from the right reflective chamber 36 of low order end
17 and the 4th flow in perforated pipe 19, can reduce the flow velocity and energy of gas, also reduce the low-frequency noise that gas has, drop
During low one grade of starting and one grade is changed the exhaust roar existed at two grades.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (9)
1. a kind of automotive muffler, it is characterised in that including：Shell body and the end cap for being connected to the shell body both sides, it is described
Shell body and end cap surround at least two for being provided with and being intervally arranged along the shell body length direction in a cavity, the cavity
Individual dividing plate, the dividing plate is provided with passage；The cavity is divided into left reflective chamber, at least one by least two dividing plate
Individual intermediate cavity and right reflective chamber, at least one described intermediate cavity be located at the left reflective chamber and right reflective chamber it
Between；
Also include：First perforated pipe, the second perforated pipe, the 3rd perforated pipe and the 4th perforated pipe, wherein, first perforated pipe is inserted
Being located on the dividing plate is used to connect the intermediate cavity and left reflective chamber, and second perforated pipe is plugged on the dividing plate
For the gas outlet for connecting the left reflective chamber and being covered positioned at shell body right-hand end；3rd perforated pipe is plugged in described
It is used to connect the intermediate cavity and right reflective chamber on dividing plate, the 4th perforated pipe, which is plugged on the dividing plate, to be used to connect
The right reflective chamber and the gas outlet covered positioned at shell body left-hand end.
2. automotive muffler according to claim 1, it is characterised in that the quantity of the dividing plate is five, including：First
Dividing plate, second partition, the 3rd dividing plate, the 4th dividing plate and the 5th dividing plate；The intermediate cavity includes what is arrayed from left to right
The first from left chamber, the second from left chamber, inlet plenum and a right chamber.
3. automotive muffler according to claim 2, it is characterised in that first perforated pipe from the second from left chamber according to
It is secondary to enter the left reflective chamber through the second partition and the first dividing plate.
4. automotive muffler according to claim 2, it is characterised in that noise elimination cotton is provided with the first from left chamber.
5. automotive muffler according to claim 4, it is characterised in that second perforated pipe is located at the first from left chamber
Passage is offered on interior pipeline.
6. the automotive muffler according to claim 2 or 5, it is characterised in that the 3rd perforated pipe is from the inlet chamber
Room sequentially passes through the 4th dividing plate and the 5th dividing plate enters the right reflective chamber.
7. automotive muffler according to claim 6, it is characterised in that noise elimination cotton is provided with a right chamber.
8. automotive muffler according to claim 7, it is characterised in that the 4th perforated pipe is located at a right chamber
Passage is offered on interior pipeline.
9. a kind of automobile, it is characterised in that including：Automotive muffler as described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013149.2U CN206419091U (en) | 2017-01-06 | 2017-01-06 | Automotive muffler and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013149.2U CN206419091U (en) | 2017-01-06 | 2017-01-06 | Automotive muffler and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419091U true CN206419091U (en) | 2017-08-18 |
Family
ID=59573903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720013149.2U Active CN206419091U (en) | 2017-01-06 | 2017-01-06 | Automotive muffler and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206419091U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630249A (en) * | 2018-12-13 | 2019-04-16 | 天津欧陆测控技术股份有限公司 | A kind of end cover of silencer and its processing mold |
| CN111379615A (en) * | 2020-04-30 | 2020-07-07 | 华晨鑫源重庆汽车有限公司 | Exhaust silencer capable of promoting balance |
| DE102020108440A1 (en) | 2020-03-26 | 2021-09-30 | Faurecia Emissions Control Technologies, Germany Gmbh | Exhaust system for a vehicle and vehicle with an exhaust system |
| CN115898591A (en) * | 2022-11-29 | 2023-04-04 | 重庆长安汽车股份有限公司 | Silencer structure and car |
-
2017
- 2017-01-06 CN CN201720013149.2U patent/CN206419091U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630249A (en) * | 2018-12-13 | 2019-04-16 | 天津欧陆测控技术股份有限公司 | A kind of end cover of silencer and its processing mold |
| DE102020108440A1 (en) | 2020-03-26 | 2021-09-30 | Faurecia Emissions Control Technologies, Germany Gmbh | Exhaust system for a vehicle and vehicle with an exhaust system |
| CN111379615A (en) * | 2020-04-30 | 2020-07-07 | 华晨鑫源重庆汽车有限公司 | Exhaust silencer capable of promoting balance |
| CN115898591A (en) * | 2022-11-29 | 2023-04-04 | 重庆长安汽车股份有限公司 | Silencer structure and car |
| CN115898591B (en) * | 2022-11-29 | 2024-04-12 | 重庆长安汽车股份有限公司 | Silencer structure and car |
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