CN106437945A - Silencer - Google Patents
Silencer Download PDFInfo
- Publication number
- CN106437945A CN106437945A CN201610899202.3A CN201610899202A CN106437945A CN 106437945 A CN106437945 A CN 106437945A CN 201610899202 A CN201610899202 A CN 201610899202A CN 106437945 A CN106437945 A CN 106437945A
- Authority
- CN
- China
- Prior art keywords
- baffle
- connecting tube
- tube
- cavity
- shaped
- 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.)
- Pending
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
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
-
- 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
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
-
- 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
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
A silencer comprises a shell, a first baffle plate, a second baffle plate, an air inlet pipe and a U-shaped pipe, wherein an expansion cavity formed between the first baffle plate and the second baffle plate, a first cavity formed in one side of the first baffle plate, and a second cavity formed in the other side of the second baffle plate are formed in the shell; the U-shaped pipe comprises a first connecting pipe erected on the first baffle plate and the second baffle plate, a second connecting pipe parallel with the first connecting pipe, and a U-shaped connecting pipe connected with the first connecting pipe and the second connecting pipe; the first connecting pipe is provided with a bellmouth communicating with the second cavity; the U-shaped connecting pipe is positioned in the first cavity; the second connecting pipe is provided with a plurality of through holes communicating with the expansion cavity and an air outlet exposed out of the shell; and a U-shaped opening for error-proof installation is formed in a position, close to the air outlet, of the second connecting pipe.
Description
Technical field
The present invention relates to a kind of acoustic filter, belong to engine exhaust post-processing technology field.
Background technology
Acoustic filter generally includes the elements such as housing, some baffle plates, air inlet pipe, pitch pipe, exhaustor.The element of these tubuloses
Due to being cylindric, therefore tend to wrongly installed when mounted.
Content of the invention
It is an object of the invention to provide a kind of be prevented from the acoustic filter that part assembles by mistake.
For achieving the above object, the present invention adopts the following technical scheme that：A kind of acoustic filter, it includes housing, positioned at described
First baffle in housing and second baffle, pass through described first baffle air inlet pipe and pass through described first baffle with described
The U-tube of second baffle；Described housing includes upper shell and the lower house welding together with described upper shell, described housing
Inside include expansion chamber between described first baffle and described second baffle, be located at described first baffle side first
Cavity and the second cavity of the opposite side positioned at described second baffle；Described first baffle be communicated with described first cavity with
Some first perforates of described expansion chamber, described second baffle is communicated with some the of described second cavity and described expansion chamber
Two perforates；Described air inlet pipe is provided with the air inlet being exposed to outside described housing and extends into extension in described expansion chamber,
The tube wall of described extension is provided with some through holes connecting with described expansion chamber；Described U-tube includes being erected at described first
The first connecting tube on baffle plate and described second baffle, it is erected on described first baffle and described second baffle and with described the
The second connecting tube that one connecting tube be arranged in parallel and described first connecting tube of connection are connected with the U-shaped of described second connecting tube
Pipe, wherein said first connecting tube is provided with the horn mouth connecting with described second cavity, and described U-shaped connecting tube is located at described first
In cavity, described second connecting tube is provided with some perforation being connected with described expansion chamber and is exposed to giving vent to anger outside described housing
Mouthful, described second connecting tube is being provided with the U-shaped opening installed in order to mistake proofing at the position of described gas outlet.
As further improved technical scheme of the present invention, described air inlet pipe is located at the side of described U-tube, described air inlet
Pipe is provided with the rake tilting to the direction away from described U-shaped connecting tube, and described air inlet is arranged on described rake.
As further improved technical scheme of the present invention, described through hole is distributed in the top of described tube wall, described tube wall
Bottom be not provided with through hole.
As further improved technical scheme of the present invention, described housing is L-shaped on the whole, described first baffle with described
Second baffle is also all L-shaped.
As further improved technical scheme of the present invention, described U-tube includes being socketed in described second connecting tube
Resonatron, described resonatron is held on described second baffle, and the side of described resonatron extends in described expansion chamber, described
The opposite side of resonatron extends in described second cavity.
As further improved technical scheme of the present invention, described U-shaped opening is axially through described second connecting tube
Outer face.
As further improved technical scheme of the present invention, described U-shaped opening is located at the top of described second connecting tube.
Compared to prior art, the present invention is provided with U-shaped opening, during use, it is possible to use fixture is held in described U-shaped opening
The interior positioning with realization to described second connecting tube, to prevent mistake installation.
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 the axonometric chart removing after housing in Fig. 1.
Fig. 5 is the further three-dimensional exploded view of Fig. 3.
Fig. 6 is the top view removing after upper shell in Fig. 1.
Fig. 7 is the partial enlarged drawing of circled portion in Fig. 6.
Fig. 8 is the profile of the line A-A along along Fig. 1.
Specific embodiment
Please join shown in Fig. 1 to Fig. 8, present invention is disclosed a kind of acoustic filter 100 for automobile exhaust system, it includes shell
Body 1, the first baffle 21 and the second baffle 22 that are located in described housing 1, through the air inlet pipe 3 of described first baffle 21 and wear
Cross the U-tube 4 of described first baffle 21 and described second baffle 22.
In illustrative embodiments of the present invention, described housing 1 is included upper shell 11 and is welded with described upper shell 11
Lower house 12 together.Described housing 1 is L-shaped on the whole, and described first baffle 21 is with described second baffle 22 also all in L
Shape.Include positioned at the expansion chamber 13 between described first baffle 21 and described second baffle 22 in described housing 1, be located at described the
First cavity 14 of the side of one baffle plate 21 and the second cavity 15 of the opposite side positioned at described second baffle 22.
Described first baffle 21 is communicated with some first perforates 211 of described first cavity 14 and described expansion chamber 13.
Described second baffle 22 is communicated with some second perforates 221 of described second cavity 15 and described expansion chamber 13.
Described air inlet pipe 3 is provided with the air inlet 31 being exposed to outside described housing 1 and extends in described expansion chamber 13
Extension 32.The tube wall of described extension 32 is provided with some through holes 321 connecting with described expansion chamber 13.In present invention diagram
Embodiment in, described through hole 321 is distributed in the top of described tube wall, and the bottom of described tube wall is not provided with through hole.
Described U-tube 4 includes the first connecting tube 41, the frame being erected on described first baffle 21 and described second baffle 22
The second connecting tube being located on described first baffle 21 and described second baffle 22 and be arrangeding in parallel with described first connecting tube 41
42 and the U-shaped connecting tube 43 that connects described first connecting tube 41 and described second connecting tube 42, wherein said first connecting tube
41 are provided with the horn mouth 411 connecting with described second cavity 15；Described U-shaped connecting tube 43 is located in described first cavity 14；Institute
State the second connecting tube 42 and be provided with some perforation 421 connecting with described expansion chamber 13, the gas outlet being exposed to outside described housing 1
422 and be located at described perforation 421 and described gas outlet 422 between some sound regulating holes 423.
Described air inlet pipe 3 is located at the side of described U-tube 4, and described air inlet pipe 3 is provided with to away from described U-shaped connecting tube 43
The rake 311 that tilts of direction, described air inlet 31 is arranged on described rake 311.
Described U-tube 4 includes the resonatron 44 being socketed in described second connecting tube 42.Described resonatron 44 is coated on institute
State the periphery of sound regulating hole 423.Described resonatron 44 is held on described second baffle 22, and the side 441 of described resonatron 44 is prolonged
Stretch in described expansion chamber 13, the opposite side 442 of described resonatron 44 extends in described second cavity 15.
Described second connecting tube 42 is being provided with the U-shaped opening installed in order to mistake proofing at the position of described gas outlet 422
423.During use, it is possible to use fixture is held in described U-shaped opening 423 to realize the positioning to described second connecting tube 42.
Described U-shaped opening 423 is axially through the outer face 424 of described second connecting tube 42.Described U-shaped opening 423 is located at described the
The top of two connecting tubes 42, in order to observe.
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 (7)
1. a kind of acoustic filter, it includes housing, the first baffle being located in described housing and second baffle, passes through described first gear
The air inlet pipe of plate and the U-tube passing through described first baffle and described second baffle；Described housing include upper shell and with
The lower house that described upper shell welds together, is included in described housing between described first baffle and described second baffle
Expansion chamber, be located at described first baffle the first cavity of side and be located at described second baffle opposite side the second chamber
Body；Described first baffle is communicated with some first perforates of described first cavity and described expansion chamber, and described second baffle sets
There are some second perforates connecting described second cavity and described expansion chamber；It is characterized in that：Described air inlet pipe is provided with and is exposed to
Air inlet outside described housing and extend into extension in described expansion chamber, the tube wall of described extension be provided with described
Some through holes of expansion chamber connection；Described U-tube includes the first company being erected on described first baffle and described second baffle
Adapter, the second connecting tube being erected on described first baffle and described second baffle and be arrangeding in parallel with described first connecting tube
And connecting the U-shaped connecting tube of described first connecting tube and described second connecting tube, wherein said first connecting tube is provided with and institute
State the horn mouth of the second cavity connection, described U-shaped connecting tube is located in described first cavity, and described second connecting tube is provided with and institute
State some perforation of expansion chamber connection and be exposed to gas outlet outside described housing, described second connecting tube near described go out
It is provided with the U-shaped opening installed in order to mistake proofing at the position of QI KOU.
2. acoustic filter as claimed in claim 1 it is characterised in that：Described air inlet pipe be located at described U-tube side, described enter
Trachea is provided with the rake tilting to the direction away from described U-shaped connecting tube, and described air inlet is arranged on described rake.
3. acoustic filter as claimed in claim 2 it is characterised in that：Described through hole is distributed in the top of described tube wall, described pipe
The bottom of wall is not provided with through hole.
4. acoustic filter as claimed in claim 3 it is characterised in that：Described housing is L-shaped on the whole, described first baffle and institute
State second baffle also all L-shaped.
5. acoustic filter as claimed in claim 4 it is characterised in that：Described U-tube includes being socketed in described second connecting tube
Resonatron, described resonatron is held on described second baffle, and the side of described resonatron extends in described expansion chamber, institute
The opposite side stating resonatron extends in described second cavity.
6. acoustic filter as claimed in claim 5 it is characterised in that：Described U-shaped opening is axially through described second connecting tube
Outer face.
7. acoustic filter as claimed in claim 6 it is characterised in that：Described U-shaped opening is located at the top of described second connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899202.3A CN106437945A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899202.3A CN106437945A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106437945A true CN106437945A (en) | 2017-02-22 |
Family
ID=58174020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610899202.3A Pending CN106437945A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437945A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010019246A (en) * | 1999-08-26 | 2001-03-15 | 정주호 | Muffler of automobiles |
| CN102003250A (en) * | 2009-09-03 | 2011-04-06 | 现代自动车株式会社 | Muffler apparatus for vehicle |
| CN102865125A (en) * | 2012-05-23 | 2013-01-09 | 柳州利和排气控制***有限公司 | Automobile muffler |
| CN204003029U (en) * | 2014-08-25 | 2014-12-10 | 北京汽车股份有限公司 | The silencing pot of vent systems |
| CN204646482U (en) * | 2015-05-04 | 2015-09-16 | 北京汽车研究总院有限公司 | A kind of induction system line |
| CN204716336U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | Shift frequency baffler |
| CN206092116U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气***有限公司 | Muffler |
-
2016
- 2016-10-14 CN CN201610899202.3A patent/CN106437945A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010019246A (en) * | 1999-08-26 | 2001-03-15 | 정주호 | Muffler of automobiles |
| CN102003250A (en) * | 2009-09-03 | 2011-04-06 | 现代自动车株式会社 | Muffler apparatus for vehicle |
| CN102865125A (en) * | 2012-05-23 | 2013-01-09 | 柳州利和排气控制***有限公司 | Automobile muffler |
| CN204003029U (en) * | 2014-08-25 | 2014-12-10 | 北京汽车股份有限公司 | The silencing pot of vent systems |
| CN204716336U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | Shift frequency baffler |
| CN204646482U (en) * | 2015-05-04 | 2015-09-16 | 北京汽车研究总院有限公司 | A kind of induction system line |
| CN206092116U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气***有限公司 | Muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |