CN106368768A - Silencer - Google Patents
Silencer Download PDFInfo
- Publication number
- CN106368768A CN106368768A CN201610899219.9A CN201610899219A CN106368768A CN 106368768 A CN106368768 A CN 106368768A CN 201610899219 A CN201610899219 A CN 201610899219A CN 106368768 A CN106368768 A CN 106368768A
- Authority
- CN
- China
- Prior art keywords
- baffle
- cavity
- air inlet
- acoustic filter
- pipe
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
Abstract
The invention discloses a silencer comprising a shell, a plurality of baffles, an air inlet pipe, a first air outlet pipe and a second air outlet pipe. The plurality of baffles include a first baffle, a second baffle, a third baffle and a fourth baffle which are arranged at intervals. The shell comprises a first cavity located between the second baffle and the third baffle, a second cavity located between the first baffle and the second baffle, a third cavity located between the third baffle and the fourth baffle, a fourth cavity located at one side of the first baffle and a fifth cavity located at the other side of the fourth baffle. The air inlet pipe is located in the first cavity, and a plurality of first open pores are formed in the air inlet pipe. The silencer also comprises a sleeve sleeving the air inlet pipe, wherein a plurality of second open pores are formed in the sleeve. The silencer is also provided with a connecting pipe connected with the air inlet pipe. The connecting pipe passes through the third baffle and the fourth baffle so as to extend into the fifth cavity. Due to such arrangement, the acoustic effect of the silencer is improved.
Description
Technical field
The present invention relates to a kind of acoustic filter, belong to engine exhaust post-processing technology field.
Background technology
In passenger car field, acoustic filter is the device of the reduction noise being widely used on car.Acoustic filter how is made to exist
Having good acoustic efficiency during work is person of ordinary skill in the field's technical issues that need to address.
Content of the invention
It is an object of the invention to provide a kind of preferable acoustic filter of acoustic efficiency.
For achieving the above object, the present invention adopts the following technical scheme that a kind of acoustic filter, and it includes housing, positioned at described
Some baffle plates in housing, air inlet pipe and the first escape pipe and the second escape pipe extending in described housing, wherein said
Housing includes upper shell and the lower house welding together with described upper shell；Described some baffle plates include spaced
One baffle plate, second baffle, third baffle and fourth gear plate, described housing is included positioned at described second baffle and described third gear
The first cavity between plate, the second cavity being located between described first baffle and described second baffle, it is located at described third gear
The 3rd cavity between plate and described fourth gear plate, it is located at the 4th cavity of described first baffle side and is located at the described 4th
5th cavity of baffle plate opposite side；Described air inlet pipe is located in described first cavity and described air inlet pipe is provided with some first and opens
Hole；Described acoustic filter also includes the sleeve pipe being socketed in described air inlet pipe, and wherein said sleeve pipe is provided with some second perforates；Described
Acoustic filter is additionally provided with the connecting tube being connected with described air inlet pipe, and described connecting tube passes through described third baffle and described fourth gear plate
To extend in described 5th cavity；Described first escape pipe passes through described first baffle and described second baffle to extend into
State in the first cavity, described first escape pipe is provided with the first rake being tilted in described first cavity, described second gives vent to anger
Through described third baffle and described fourth gear plate to extend in described first cavity, described second escape pipe is provided with inclination to pipe
The second rake in described first cavity.
As further improved technical scheme of the present invention, described acoustic filter be provided be welded on described second baffle with described
Gripper shoe between third baffle, described gripper shoe is provided with some perforation connecting with described first cavity；Described first perforate
Positioned at the side of described gripper shoe, described air inlet pipe is additionally provided with some 3rd perforates of the opposite side positioned at described gripper shoe.
As further improved technical scheme of the present invention, the length of described sleeve pipe is less than the length of described air inlet pipe, and
Described sleeve pipe is located at the side of described gripper shoe.
The length being distributed in described air inlet pipe as further improved technical scheme of the present invention, described first perforate
The length being distributed in described sleeve pipe equal to described second perforate.
As further improved technical scheme of the present invention, the caliber of described connecting tube is less than the caliber of described air inlet pipe.
As further improved technical scheme of the present invention, described connecting tube includes the first pipe being connected with described air inlet pipe
Body, extend vertically and run through the second body of described third baffle and described fourth gear plate from described first body, from described the
Two bodys extend vertically and parallel to the 3rd body of described first body and from described 3rd body towards described fourth gear
The 4th body that plate extends.
As further improved technical scheme of the present invention, described 3rd body and described second body be not in same level
In face.
As further improved technical scheme of the present invention, described 3rd body and described 4th body are below described
Second body.
As further improved technical scheme of the present invention, described first rake and described second rake are close to institute
State the first body.
As further improved technical scheme of the present invention, described first baffle be communicated with described second cavity with described
Some first circular holes of the 4th cavity；Described second baffle is communicated with some the of described first cavity and described second cavity
Two circular holes；Described third baffle is communicated with some 3rd circular holes of described 3rd cavity and described first cavity；Described 4th
Baffle plate is not provided with connecting the hole of described 3rd cavity and described 5th cavity.
Compared to prior art, the present invention passes through the sleeve pipe that setting is socketed in described air inlet pipe, and described sleeve pipe is provided with
Some second perforates, thus improve acoustic efficiency.
Brief description
Fig. 1 is the schematic perspective view of acoustic filter of the present invention.
Fig. 2 is the schematic perspective view of another angle of Fig. 1.
Fig. 3 is the part isometric exploded view of Fig. 1.
Fig. 4 is further three-dimensional exploded view after housing in removal Fig. 3.
Fig. 5 is the further three-dimensional exploded view of Fig. 3.
Fig. 6 is the profile of the a-a line along along Fig. 1.
Specific embodiment
Please join shown in Fig. 1 to Fig. 6, present invention is disclosed a kind of acoustic filter 100, it includes housing 1, is located at described housing 1
Interior some baffle plates 2, air inlet pipe 3 and the first escape pipe 41 and the second escape pipe 42 extending in described housing 1, wherein
Described housing 1 includes upper shell 11 and the lower house 12 welding together with described upper shell 11.
Described some baffle plates 2 include spaced first baffle 21, second baffle 22, third baffle 23 and fourth gear
Plate 24, described housing 1 is included positioned at the first cavity 10 between described second baffle 22 and described third baffle 23, positioned at described
The second cavity 20 between first baffle 21 and described second baffle 22, it is located at described third baffle 23 and described fourth gear plate 24
Between the 3rd cavity 30, be located at described first baffle 21 side the 4th cavity 40 and be located at described fourth gear plate 24 another
5th cavity 50 of side.In illustrative embodiments of the present invention, described first baffle 21 is communicated with described second cavity 20
Some first circular holes 211 with described 4th cavity 40；Described second baffle 22 be communicated with described first cavity 10 with described
Some second circular holes 221 of the second cavity 20；Described third baffle 23 is communicated with described 3rd cavity 30 and described first chamber
Some 3rd circular holes 231 of body 10；Described fourth gear plate 24 is not provided with connecting described 3rd cavity 30 and described 5th cavity 50
Hole.
Described acoustic filter 100 is provided with the gripper shoe 5 being welded between described second baffle 22 and described third baffle 23, institute
State gripper shoe 5 and be provided with some perforation 51 connecting with described first cavity 10.Described air inlet pipe 3 passes through described gripper shoe 5 and frame
It is located in described gripper shoe 5.Described air inlet pipe 3 is located in described first cavity 10 and described air inlet pipe 3 is provided with some first and opens
Hole 31, described first perforate 31 is located at the side of described gripper shoe 5.
In order to realize good acoustic efficiency, described acoustic filter 100 also includes the sleeve pipe 6 being socketed in described air inlet pipe 3
And the connecting tube 7 being connected with described air inlet pipe 3, wherein said sleeve pipe 6 is provided with some second perforates 61.The length of described sleeve pipe 6
Degree is less than the length of described air inlet pipe 3, and described sleeve pipe 6 is located at the side of described gripper shoe 5.Described first perforate 31 is described
Length l2 that length l1 being distributed in air inlet pipe 3 is distributed in described sleeve pipe 6 equal to described second perforate 61.Described air inlet pipe
3 some 3rd perforates 32 being additionally provided with the opposite side positioned at described gripper shoe 5.
The caliber of described connecting tube 7 is less than the caliber of described air inlet pipe 3.Described connecting tube 7 passes through described third baffle 23
With described fourth gear plate 24 to extend in described 5th cavity 50.Described connecting tube 7 includes being connected with described air inlet pipe 3
One body 71, extend vertically and run through the second pipe of described third baffle 23 and described fourth gear plate 24 from described first body 71
Body 72, extend vertically and parallel to the 3rd body 73 of described first body 71 from described second body 72 and from the described 3rd
The 4th body 74 that body 73 extends towards described fourth gear plate 24.Described 3rd body 73 and described second body 72 be not same
In one horizontal plane.In illustrative embodiments of the present invention, described 3rd body 73 and described 4th body 74 are below institute
State the second body 72.
Described first escape pipe 41 passes through described first baffle 21 with described second baffle 22 to extend into described first chamber
In body 10, described first escape pipe 41 is provided with the first rake 411 being tilted in described first cavity 10, described first inclination
Portion 411 is near described first body 71.
Described second escape pipe 42 passes through described third baffle 23 with described fourth gear plate 24 to extend into described first chamber
In body 10, described second escape pipe 42 is provided with the second rake 421 being tilted in described first cavity 10, described second inclination
Portion 421 is also close to described first body 71.Please join shown in Fig. 6, described first escape pipe 41 is with described second escape pipe 42 substantially
It is symmetrically disposed in the both sides of described air inlet pipe 3, is arranged such, so that good acoustic efficiency can be reached.
In addition, above example is merely to illustrate the present invention and not limits technical scheme described in the invention, to this
The understanding of description should be based on person of ordinary skill in the field, although this specification is with reference to the above embodiments pair
Present invention has been detailed description, but, it will be understood by those within the art that, the technology of art
Personnel still can modify to the present invention or equivalent, and all are without departing from the technology of the spirit and scope of the present invention
Scheme and its improvement, all should cover in scope of the presently claimed invention.
Claims (10)
1. a kind of acoustic filter, it includes housing, some baffle plates being located in described housing, the air inlet extending in described housing
Pipe and the first escape pipe and the second escape pipe, wherein said housing includes upper shell and is welded on one with described upper shell
The lower house rising；Described some baffle plates include spaced first baffle, second baffle, third baffle and fourth gear plate,
Described housing includes the first cavity between described second baffle and described third baffle, is located at described first baffle and institute
State the second cavity between second baffle, the 3rd cavity being located between described third baffle and described fourth gear plate, be located at institute
State the 4th cavity of first baffle side and the 5th cavity being located at described fourth gear plate opposite side；It is characterized in that: described
Air inlet pipe is located in described first cavity and described air inlet pipe is provided with some first perforates；Described acoustic filter also includes being socketed in institute
State the sleeve pipe in air inlet pipe, wherein said sleeve pipe is provided with some second perforates；Described acoustic filter is additionally provided with described air inlet pipe even
The connecting tube connecing, described connecting tube passes through described third baffle and described fourth gear plate to extend in described 5th cavity；Institute
Stating the first escape pipe passes through described first baffle and described second baffle to extend in described first cavity, and described first gives vent to anger
Pipe is provided with the first rake being tilted in described first cavity, and described second escape pipe passes through described third baffle and described the
To extend in described first cavity, described second escape pipe is provided with the second inclination being tilted in described first cavity to four baffle plates
Portion.
2. acoustic filter as claimed in claim 1 it is characterised in that: described acoustic filter is provided with and is welded on described second baffle and institute
State the gripper shoe between third baffle, described gripper shoe is provided with some perforation connecting with described first cavity；Described first opens
In the side of described gripper shoe, described air inlet pipe is additionally provided with some 3rd perforates of the opposite side positioned at described gripper shoe to hole position.
3. acoustic filter as claimed in claim 2 it is characterised in that: the length of described sleeve pipe be less than described air inlet pipe length,
And described sleeve pipe is located at the side of described gripper shoe.
4. acoustic filter as claimed in claim 3 it is characterised in that: the length that described first perforate is distributed in described air inlet pipe
The length being distributed equal to described second perforate is spent on described sleeve pipe.
5. acoustic filter as claimed in claim 4 it is characterised in that: the caliber of described connecting tube be less than described air inlet pipe pipe
Footpath.
6. acoustic filter as claimed in claim 5 it is characterised in that: described connecting tube includes first being connected with described air inlet pipe
Body, extend vertically and run through the second body of described third baffle and described fourth gear plate from described first body, from described
Second body extends vertically and parallel to the 3rd body of described first body and from described 3rd body towards the described 4th
The 4th body that baffle plate extends.
7. acoustic filter as claimed in claim 6 it is characterised in that: described 3rd body and described second body be not in same water
In plane.
8. acoustic filter as claimed in claim 7 it is characterised in that: described 3rd body and described 4th body are below institute
State the second body.
9. acoustic filter as claimed in claim 8 it is characterised in that: described first rake is close to described second rake
Described first body.
10. acoustic filter as claimed in claim 1 it is characterised in that: described first baffle be communicated with described second cavity with
Some first circular holes of described 4th cavity；If described second baffle is communicated with described first cavity and described second cavity
Dry second circular hole；Described third baffle is communicated with some 3rd circular holes of described 3rd cavity and described first cavity；Described
Fourth gear plate is not provided with connecting the hole of described 3rd cavity and described 5th cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899219.9A CN106368768B (en) | 2016-10-14 | 2016-10-14 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899219.9A CN106368768B (en) | 2016-10-14 | 2016-10-14 | Silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106368768A true CN106368768A (en) | 2017-02-01 |
| CN106368768B CN106368768B (en) | 2019-03-15 |
Family
ID=57896115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610899219.9A Active CN106368768B (en) | 2016-10-14 | 2016-10-14 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106368768B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005114326A (en) * | 2005-05-11 | 2006-11-20 | Открытое Акционерное общество "АВТОВАЗ" (RU) | MULTI-CAMERA NOISE MUFFLER OF INTERNAL COMBUSTION ENGINE |
| CN101194089A (en) * | 2005-06-08 | 2008-06-04 | 排放控制技术德国（奥格斯堡）有限公司 | Vehicle muffler |
| US20100126799A1 (en) * | 2006-08-11 | 2010-05-27 | Toyota Jidosha Kabushiki Kaisha | Muffler and engine exhaust apparatus |
| CN201502419U (en) * | 2009-09-29 | 2010-06-09 | 哈尔滨艾瑞汽车排气系统有限公司 | Silencer device for refrigerator car |
| CN202417653U (en) * | 2011-09-21 | 2012-09-05 | 芜湖杰锋汽车动力系统有限公司 | Silencer for automobile |
| CN103410586A (en) * | 2013-05-27 | 2013-11-27 | 安徽江淮汽车股份有限公司 | Multifunctional muffler structure |
| CN205101084U (en) * | 2015-10-19 | 2016-03-23 | 北京汽车股份有限公司 | Car exhaust muffler and car |
| CN206092114U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气系统有限公司 | Muffler |
-
2016
- 2016-10-14 CN CN201610899219.9A patent/CN106368768B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2005114326A (en) * | 2005-05-11 | 2006-11-20 | Открытое Акционерное общество "АВТОВАЗ" (RU) | MULTI-CAMERA NOISE MUFFLER OF INTERNAL COMBUSTION ENGINE |
| CN101194089A (en) * | 2005-06-08 | 2008-06-04 | 排放控制技术德国（奥格斯堡）有限公司 | Vehicle muffler |
| US20100126799A1 (en) * | 2006-08-11 | 2010-05-27 | Toyota Jidosha Kabushiki Kaisha | Muffler and engine exhaust apparatus |
| CN201502419U (en) * | 2009-09-29 | 2010-06-09 | 哈尔滨艾瑞汽车排气系统有限公司 | Silencer device for refrigerator car |
| CN202417653U (en) * | 2011-09-21 | 2012-09-05 | 芜湖杰锋汽车动力系统有限公司 | Silencer for automobile |
| CN103410586A (en) * | 2013-05-27 | 2013-11-27 | 安徽江淮汽车股份有限公司 | Multifunctional muffler structure |
| CN205101084U (en) * | 2015-10-19 | 2016-03-23 | 北京汽车股份有限公司 | Car exhaust muffler and car |
| CN206092114U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气系统有限公司 | Muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106368768B (en) | 2019-03-15 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |