CN207033563U - A kind of twin exhaust pipes silencer - Google Patents
A kind of twin exhaust pipes silencer Download PDFInfo
- Publication number
- CN207033563U CN207033563U CN201720836926.3U CN201720836926U CN207033563U CN 207033563 U CN207033563 U CN 207033563U CN 201720836926 U CN201720836926 U CN 201720836926U CN 207033563 U CN207033563 U CN 207033563U
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- China
- Prior art keywords
- partition
- chamber
- mozzle
- hole
- silencer
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Abstract
The utility model discloses a kind of twin exhaust pipes silencer, it includes housing, it is individually fixed in first end cap and the second end cap at the housing both ends, the first partition being arranged in the housing, second partition and the 3rd dividing plate, air inlet pipe, left bank tracheae, right blast pipe and some mozzles, the air inlet pipe is L-shaped, including the first body with the housing diameter parallel, second body of vertical first body and the first mozzle for being welded on the first body terminus inner, second mozzle and the 3rd mozzle, the left bank tracheae is each passed through and is fixed on the first partition and the first end covers, both ends are respectively communicated with the second chamber and outside atmosphere；Right blast pipe is each passed through and is fixed on the second partition, on the 3rd dividing plate and the second end cap, and both ends are respectively communicated with the second chamber and outside atmosphere.The utility model excellent noise reduction effect, while airflow is smooth, the pressure loss is smaller, and exhaust back pressure disclosure satisfy that related request.
Description
Technical field
A kind of twin exhaust pipes silencer is the utility model is related to, belongs to engine exhaust post-processing technology field.
Background technology
At present, automobile exhaust noise turns into one of Main Noise Sources for influenceing environment, and it is control to install exhaust silencer additional
The main method of exhaust noise processed.Due to the limitation of installing space, it can not generally ensure sufficiently large muffler volume, smaller
In the case of noise elimination volume, in order to ensure good soundproof effect, silencer indoor design need to generally be obtained it is very complicated, so as to lead
Exhaust back pressure increase, engine power loss increase are caused, economy reduces, and greatly reduces the reliability of silencer work.
Utility model content
The purpose of this utility model is to be directed to existing technical problem, there is provided one kind soundproof effect in whole frequency range
It is good, while the automobile exhaust muffler that exhaust resistance is relatively small.
The utility model is achieved through the following technical solutions：
A kind of twin exhaust pipes silencer, it includes housing, is individually fixed in first end cap and second at the housing both ends
End cap, the first partition, second partition and the 3rd dividing plate that are arranged at intervals at along housing axial direction in the housing, air inlet pipe,
Left bank tracheae, right blast pipe and some mozzles, first chamber is formed between first end cap and the first partition, institute
State and second chamber is formed between first partition and the second partition, is formed between the second partition and the 3rd dividing plate
Three chambers, the 4th chamber is formed between the 3rd dividing plate and second end cap；The air inlet pipe is L-shaped, including with it is described
First body of housing diameter parallel, vertical first body the second body and be welded in the first body end
First mozzle, the second mozzle and the 3rd mozzle in portion, second body are located in the first chamber, and described first
Body extends through the first partition, the second partition connects the 4th chamber with the 3rd dividing plate；Described first
Also extended through on dividing plate and be fixed with the 4th mozzle that both ends connect the first chamber and the 4th chamber；Described first every
Also extend through to be fixed with both ends and connect the 5th of the first chamber and the second chamber on plate, second partition and the 3rd dividing plate and lead
Flow tube；The left bank tracheae is each passed through and is fixed on the first partition and the first end covers, and both ends are respectively communicated with institute
State second chamber and outside atmosphere；The right blast pipe is each passed through and is fixed on the second partition, the 3rd dividing plate and
On second end cap, both ends are respectively communicated with the second chamber and outside atmosphere；The left bank tracheae is in place in described first
Some first through hole are evenly arranged on tube wall in chamber, the right blast pipe is on the tube wall in the 4th chamber
Some second through holes are evenly arranged, the left bank tracheae is arranged with the first acoustical cotton cover in the first through hole position, described
Right blast pipe is arranged with the second acoustical cotton cover, the first acoustical cotton cover, second acoustical cotton in second lead to the hole site
Acoustical cotton is filled with cover and the 3rd chamber.
As the further improved technical scheme of the utility model, first body, left bank tracheae, right blast pipe and each
For mozzle each parallel to housing axis, the purpose be arrangeding in parallel is the installation for facilitating each noise elimination pipeline.
As the further improved technical scheme of the utility model, the first partition, second partition and the described 3rd every
The edge of plate is provided with flange, sets the purpose of flange and effect to be to be advantageous to dividing plate being fixedly welded on suppressor case
It is interior.
As the further improved technical scheme of the utility model, first mozzle, second mozzle and institute
It is equal and tangent two-by-two to state the 3rd mozzle external diameter.
As the further improved technical scheme of the utility model, the external diameter of the 5th mozzle is led less than the described 4th
The external diameter of flow tube, purpose and effect are to make more air-flows to flow into second chamber by the third through-hole in first partition, favorably
In elimination low-frequency noise.
As the further improved technical scheme of the utility model, the external diameter of the first through hole and second through hole with
Quantity is equal, and purpose and effect are to can use same set of mold cavity, reduce production cost.
As the further improved technical scheme of the utility model, set respectively on the first partition and the 3rd dividing plate
There are equally distributed third through-hole and fourth hole, and the diameter of the third through-hole is more than the diameter of the fourth hole.Mesh
And effect be to make air-flow in silencer first chamber to flow into second chamber by third through-hole, the air-flow in the 4th chamber
3rd chamber is flowed into by fourth hole；The diameter of fourth hole is smaller, more has utilization to eliminate high-frequency noise.
As the further improved technical scheme of the utility model, the first acoustical cotton cover and the second acoustical cotton cover
On be respectively equipped with some equally distributed fifth holes and the 6th through hole, purpose and effect are to make the gas entered in acoustical cotton cover
Stream is discharged by fifth hole and the 6th through hole.
As the further improved technical scheme of the utility model, the cross section of described housing is oval, can be from whole
Volume and the occupy-place of silencer are reduced on body.
Compared to prior art, the utility model by setting three mozzles in the first body of air inlet pipe terminus inner,
Low-frequency noise can be effectively reduced, prevents tail pipe pinking；5th mozzle and second chamber collective effect, equivalent to He Ermu
Hereby silencer, it is mainly used in low frequency noise reduction；Air inlet pipe, mozzle and blast pipe interact, and form three pipe labyrinth silencers, energy
High-frequency noises are eliminated well；The sound-absorbing material can effectively reduce high-frequency noise；Twin exhaust pipes is set, and air-flow can be more
Add and be smoothly discharged, effectively reduce the pressure loss of silencer.It is arranged such, the noise of each frequency can be eliminated effectively,
Noise elimination scope is wide, excellent noise reduction effect, while the circulation of silencer interior air-flow is smooth, and the pressure loss is smaller, and exhaust back pressure disclosure satisfy that
Related request.
Brief description of the drawings
Fig. 1 is the silencer sectional view that the utility model embodiment provides.
Fig. 2 is A-A profiles in Fig. 1.
Fig. 3 is B-B profiles in Fig. 1.
Fig. 4 is C-C profiles in Fig. 1.
Fig. 5 is the sectional view of the first acoustical cotton cover.
Fig. 6 is the sectional view of the second acoustical cotton cover.
Wherein, 1- housings, the end caps of 2- first, the end caps of 3- second, 4- first partitions, 4-1- third through-holes, 5- second partitions,
The dividing plates of 6- the 3rd, 6-1- fourth holes, 7- first chambers, 8- second chambers, the chambers of 9- the 3rd, the chambers of 10- the 4th, 11- air inlets
Pipe, the bodys of 11-1- first, the bodys of 11-2- second, the mozzles of 12- the 5th, the mozzles of 13- the 4th, 14- left bank tracheaes, 14-1-
First through hole, the right blast pipes of 15-, the through holes of 15-1- second, 16- the first acoustical cotton covers, 16-1- fifth holes, the sound-absorbings of 17- second
Cotton cover, the through holes of 17-1- the 6th, the mozzles of 18- first, the mozzles of 19- second, the mozzles of 20- the 3rd.
Embodiment
The utility model is described further with reference to the accompanying drawings and detailed description：
As shown in figure 1, the utility model is a kind of twin exhaust pipes silencer, including the oval housing 1 in a cross section,
It is individually fixed in first end cap 2 at the both ends of housing 1 and the second end cap 3, along the axial direction of housing 1 is arranged at intervals at the shell
First partition 4, the dividing plate 6 of second partition 5 and the 3rd in body 1, air inlet pipe 11, left bank tracheae 14, right blast pipe 15, some water conservancy diversion
Pipe.Wherein, the edge of the first partition 4, the second partition 5 and the 3rd dividing plate 6 is equipped with flange, described first every
Equally distributed third through-hole 4-1 (see Fig. 2) and fourth hole 6-1 (see Fig. 4) are additionally provided with plate 4 and the 3rd dividing plate 6, its
Described in third through-hole 4-1 diameter be more than the fourth hole 6-1 diameter.First end cap 2 and the first partition 4
Between formed first chamber 7, between the first partition 4 and the second partition 5 formed second chamber 8, the second partition 5
The 3rd chamber 9 is formed between the 3rd dividing plate 6, the 4th chamber is formed between the 3rd dividing plate 6 and second end cap 3
10。
The air inlet pipe 11 is L-shaped, and it is included with the first body 11-1 of the diameter parallel of housing 1, perpendicular to described
First body 11-1 the second body 11-2 and it is welded on the first mozzle 18 of the first body 11-1 terminus inners,
Two mozzles 19, the 3rd mozzle 20 (see Fig. 3).Wherein, the second body 11-2 is in the first chamber 7, and described
One body 11-1 extends through the first partition 4, the second partition 5 connects the 4th chamber with the 3rd dividing plate 6
10.First mozzle 18, second mozzle 19 and the external diameter of the 3rd mozzle 20 are equal and tangent two-by-two, energy
Low-frequency noise is enough effectively reduced, prevents tail pipe pinking.
To realize good middle low frequency soundproof effect, also extended through in the first partition 4 and be fixed with both ends connection described the
4th mozzle 13 of one chamber 7 and the 4th chamber 10；In described first partition 4, the dividing plate 6 of second partition 5 and the 3rd
Also extend through and be fixed with the 5th mozzle 12 that both ends connect the first chamber 7 and the second chamber 8；Wherein,
The external diameter of 5th mozzle 12 is less than the external diameter of the 4th mozzle 13.Air-flow enters from the air inlet pipe 11
Enter the 4th chamber 10, then the first chamber 7 is flowed into through the 4th mozzle 13, the air-flow in the first chamber 7
Enter the second chamber 8 by the third through-hole 4-1 in the first partition 4 and the 5th mozzle 12, finally
Flowed out from the left bank tracheae 14 and the right blast pipe 15.5th mozzle 12 and the collective effect of second chamber 8,
Equivalent to He Ermuzi silencers, it is mainly used in low frequency noise reduction；This part forms three pipe labyrinth silencers, contributes to low in eliminating
Band noise.
The left bank tracheae 14 is each passed through and is fixed in the first partition 4 and first end cap 2, both ends difference
Connect the second chamber 8 and outside atmosphere, the right blast pipe 15 is each passed through and provided in the second partition 5, described
On 3rd dividing plate 6 and second end cap 3, both ends are respectively communicated with the second chamber 8 and outside atmosphere.The left bank tracheae
12nd, the right blast pipe 15, the second body 11-2 and each mozzle are parallel.The left bank tracheae 14 is positioned at described
First through hole 14-1 is disposed with tube wall in first chamber 7, the right blast pipe 15 is in the 4th chamber 10
The second through hole 15-1, the first through hole 14-1 and the aperture of the second through hole 15-1 are disposed with tube wall and quantity is homogeneous
Deng.The left bank tracheae 14 is arranged with the first acoustical cotton cover 16 in the first through hole 14-1 positions, and the right blast pipe 15 exists
The second through hole 15-1 positions are arranged with the second acoustical cotton cover 17.The first acoustical cotton cover 16 is provided with equally distributed the
Five through hole 16-1 (see Fig. 5), the second acoustical cotton cover 17 are provided with equally distributed 6th through hole 17-1 (see Fig. 6).It is described
Acoustical cotton is filled with first acoustical cotton cover 16, the second acoustical cotton cover 17 and the 3rd chamber 9, in can effectively eliminating
High-frequency noise.
Above example only to illustrate technical concept and feature of the present utility model, is not intended to limit of the present utility model
Protection domain, the utility model can be modified easily by those skilled in the art or equivalent substitution, these implementations
Mode is included within the scope of protection of the utility model.
Claims (9)
1. a kind of twin exhaust pipes silencer, it includes housing, the first end cap for being individually fixed in the housing both ends and the second end
First partition, second partition and the 3rd dividing plate, air inlet pipe, the left side cover, being arranged at intervals at along housing axial direction in the housing
Blast pipe, right blast pipe and some mozzles, first chamber is formed between first end cap and the first partition, it is described
Second chamber is formed between first partition and the second partition, the 3rd is formed between the second partition and the 3rd dividing plate
Chamber, the 4th chamber is formed between the 3rd dividing plate and second end cap；It is characterized in that：The air inlet pipe is L-shaped, bag
Include with the first body of the housing diameter parallel, vertical first body the second body and be welded on it is described first pipe
The first mozzle, the second mozzle and the 3rd mozzle of body terminus inner, second body are located in the first chamber,
First body extends through the first partition, the second partition connects the 4th chamber with the 3rd dividing plate；
Also extended through in the first partition and be fixed with the 4th mozzle that both ends connect the first chamber and the 4th chamber；It is described
First partition, also extend through on second partition and the 3rd dividing plate and to be fixed with both ends and connect the first chamber and the second chamber
The 5th mozzle；The left bank tracheae is each passed through and is fixed on the first partition and the first end covers, both ends point
The second chamber and outside atmosphere are not connected；The right blast pipe is each passed through and is fixed on the second partition, described
On three dividing plates and second end cap, both ends are respectively communicated with the second chamber and outside atmosphere；The left bank tracheae in place in
Some first through hole are evenly arranged on tube wall in the first chamber, the right blast pipe is in the 4th chamber
Tube wall on be evenly arranged some second through holes, the left bank tracheae is arranged with the first acoustical cotton in the first through hole position
Cover, the right blast pipe are arranged with the second acoustical cotton cover, the first acoustical cotton cover, described second in second lead to the hole site
Acoustical cotton is filled with acoustical cotton cover and the 3rd chamber.
2. twin exhaust pipes silencer as claimed in claim 1, it is characterised in that：First body, left bank tracheae, right exhaust
Pipe and each mozzle are each parallel to housing axis.
3. twin exhaust pipes silencer as claimed in claim 1, it is characterised in that：The first partition, second partition and described
The edge of 3rd dividing plate is provided with flange.
4. twin exhaust pipes silencer as claimed in claim 1 or 2, it is characterised in that：First mozzle, described second are led
Flow tube and the 3rd mozzle external diameter are equal and tangent two-by-two.
5. twin exhaust pipes silencer as claimed in claim 1, it is characterised in that：The external diameter of 5th mozzle is less than described
The external diameter of 4th mozzle.
6. twin exhaust pipes silencer as claimed in claim 1, it is characterised in that：The first through hole and second through hole
External diameter is equal with quantity.
7. twin exhaust pipes silencer as claimed in claim 1, it is characterised in that：In the first partition and the 3rd dividing plate
Equally distributed third through-hole and fourth hole are respectively equipped with, and the diameter for stating third through-hole is more than the straight of the fourth hole
Footpath.
8. twin exhaust pipes silencer as claimed in claim 1, it is characterised in that：The first acoustical cotton cover and described second is inhaled
Some equally distributed fifth holes and the 6th through hole are respectively equipped with sound cotton cover.
9. twin exhaust pipes silencer as claimed in claim 1, it is characterised in that：The cross section of described housing is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836926.3U CN207033563U (en) | 2017-07-11 | 2017-07-11 | A kind of twin exhaust pipes silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836926.3U CN207033563U (en) | 2017-07-11 | 2017-07-11 | A kind of twin exhaust pipes silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033563U true CN207033563U (en) | 2018-02-23 |
Family
ID=61467456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720836926.3U Expired - Fee Related CN207033563U (en) | 2017-07-11 | 2017-07-11 | A kind of twin exhaust pipes silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033563U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120165A (en) * | 2017-07-11 | 2017-09-01 | 华南理工大学 | A kind of twin exhaust pipes silencer |
| CN109630250A (en) * | 2019-02-21 | 2019-04-16 | 海马汽车有限公司 | A kind of silencer, exhaust equipment and the exhaust system with dynamic sound |
-
2017
- 2017-07-11 CN CN201720836926.3U patent/CN207033563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120165A (en) * | 2017-07-11 | 2017-09-01 | 华南理工大学 | A kind of twin exhaust pipes silencer |
| CN109630250A (en) * | 2019-02-21 | 2019-04-16 | 海马汽车有限公司 | A kind of silencer, exhaust equipment and the exhaust system with dynamic sound |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20190711 |