CN106437944A - Silencer - Google Patents
Silencer Download PDFInfo
- Publication number
- CN106437944A CN106437944A CN201610899183.4A CN201610899183A CN106437944A CN 106437944 A CN106437944 A CN 106437944A CN 201610899183 A CN201610899183 A CN 201610899183A CN 106437944 A CN106437944 A CN 106437944A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- baffle
- cavity
- housing
- acoustic filter
- 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
- F01N1/08—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
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, a first air outlet pipe and a second air outlet 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; both the first air outlet pipe and the second air outlet pipe are U-shaped; the air inlet pipe is provided with an extension part stretching into the second cavity; and the extension part is provided with a plurality of through holes communicating with the second cavity. The tail end of the extension part is sealed through a mechanical pressure welding manner, so that the welding step is eliminated, manufacture is convenient, and durability of a product 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
Air inlet pipe in acoustic filter generally carries out end seal by welding end cap, but this sealing means are more complicated
And weld seam is susceptible to lose efficacy, thus affecting the durability of product.
Content of the invention
It is an object of the invention to provide a kind of easily manufactured and preferable acoustic filter of durability.
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 the air inlet pipe of described first baffle and described second baffle and through described
First escape pipe of first baffle and described second baffle and the second escape pipe；Described housing include upper shell and with described on
Case weld lower house together, includes the expansion between described first baffle and described second baffle in described housing
Second cavity of chamber, the first cavity of side positioned at described first baffle and the opposite side positioned at described second baffle；Institute
State some first perforates that first baffle is communicated with described first cavity and described expansion chamber, described second baffle is communicated with
Described second cavity and some second perforates of described expansion chamber；Described first escape pipe and described second escape pipe are U-shaped；
Described air inlet pipe is provided with the extension extending in described second cavity, and described extension is provided with and is connected with described second cavity
Some through holes, the end of described extension carries out end seal by way of mechanical crimp.
As further improved technical scheme of the present invention, described air inlet pipe is provided with connected with described expansion chamber some and wears
Hole.
As further improved technical scheme of the present invention, the end of described extension is in cross.
As further improved technical scheme of the present invention, described first escape pipe includes the first connecting tube and described
The second parallel connecting tube of one connecting tube and described first connecting tube of connection are connected with the first U-shaped of described second connecting tube
Pipe, wherein said first connecting tube is provided with the first opening connect with described second cavity, described first connecting tube and described the
Two connecting tubes all run through described first baffle and described second baffle, and described first U-shaped connecting tube is located at described first cavity
Interior.
As further improved technical scheme of the present invention, described second escape pipe includes the 3rd connecting tube and described
The 4th parallel connecting tube of three connecting tubes and described 3rd connecting tube of connection are connected with the second U-shaped of described 4th connecting tube
Pipe, wherein said 3rd connecting tube is provided with the second opening connect with described second cavity, described 3rd connecting tube and described the
Four connecting tubes all run through described first baffle and described second baffle, and described second U-shaped connecting tube is located at described first cavity
Interior.
As further improved technical scheme of the present invention, described air inlet pipe is provided with entering positioned at described one corner of housing
Mouthful, described second connecting tube is provided with first outlet, and described 4th connecting tube is provided with second outlet, described first outlet and described the
Two outlet along described housing short transverse be located at described housing middle part.
Compared to prior art, the air inlet pipe of the present invention carries out end seal by way of mechanical crimp, eliminates weldering
The step connecing, durability that is easily manufactured and improve product.
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 further three-dimensional exploded view of Fig. 3.
Fig. 5 is the top view removing after upper shell in Fig. 1.
Fig. 6 is the front view of Fig. 1.
Fig. 7 is the profile of the line A-A along along Fig. 6.
Specific embodiment
Please join shown in Fig. 1 to Fig. 7, present invention is disclosed a kind of acoustic filter 100, it includes housing 1, is located at described housing 1
Air inlet pipe 3 that interior first baffle 21 with second baffle 22, passes through described first baffle 21, pass through described first baffle 21 and institute
The U-tube 4 stating second baffle 22 and the first escape pipe 5 passing through described first baffle 21 and described second baffle 22 and the
Two escape pipes 6.
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.Include positioned at the expansion between described first baffle 21 and described second baffle 22 in described housing 1
The second of chamber 13, the first cavity 14 of side positioned at described first baffle 21 and the opposite side positioned at described second baffle 22
Cavity 15.Described first baffle 21 is communicated with some first perforates 211 of described first cavity 14 and described expansion chamber 13.Institute
State some second perforates 221 that second baffle 22 is communicated with described second cavity 15 and described expansion chamber 13.
Described air inlet pipe 3 is provided with some perforation 31 being connected with described expansion chamber 13 and extends into described second cavity 15
In extension 33.Described extension 33 is provided with some through holes 331 connecting with described second cavity 15.In addition, described extension
The end 332 in portion 33 carries out end seal by way of mechanical crimp.It is arranged such, the step eliminating welding, manufacturer
Just and improve the durability of product.In illustrative embodiments of the present invention, the end 332 of described extension 33 is in cross
Shape.
Described first escape pipe 5 is also U-shaped with described second escape pipe 6.Described first escape pipe 5 includes the first connection
Pipe 51 second connecting tube 52 parallel with described first connecting tube 51 and described first connecting tube 51 of connection are with described second even
First U-shaped connecting tube 53 of adapter 52, wherein said first connecting tube 51 is provided with first being connected with described second cavity 15 and opens
Mouth 511, described first connecting tube 51 all runs through described first baffle 21 and described second baffle with described second connecting tube 52
22, described first U-shaped connecting tube 53 is located in described first cavity 14.Described first opening 511 is horn mouth.
Described second escape pipe 6 includes the 3rd connecting tube 61 fourth connecting tube 62 parallel with described 3rd connecting tube 61
And the second U-shaped connecting tube 63 of described 3rd connecting tube 61 of connection and described 4th connecting tube 62, wherein said 3rd connection
Pipe 61 is provided with the second opening 611 connecting with described second cavity 15, described 3rd connecting tube 61 and described 4th connecting tube 62
All run through described first baffle 21 and described second baffle 22, described second U-shaped connecting tube 63 is located at described first cavity 14
Interior.Described second opening 611 is horn mouth.
Described air inlet pipe 3 is provided with the import 32 positioned at described 1 one corners of housing, and described second connecting tube 52 is provided with first
Outlet 521, described 4th connecting tube 62 is provided with second outlet 621, and described first outlet 521 is with described second outlet 621 along institute
The short transverse stating housing 1 is located at the middle part of described housing 1.
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 (6)
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
Plate and the air inlet pipe of described second baffle and the first escape pipe and second through described first baffle and described second baffle
Escape pipe；Described housing includes upper shell and the lower house welding together with described upper shell, includes position in described housing
Expansion chamber between described first baffle and described second baffle, be located at described first baffle the first cavity of side and
The second cavity positioned at the opposite side of described second baffle；Described first baffle is communicated with described first cavity and described expansion
Some first perforates in chamber, described second baffle is communicated with some second perforates of described second cavity and described expansion chamber；
Described first escape pipe and described second escape pipe are U-shaped；It is characterized in that：Described air inlet pipe is provided with and extends into described second
Extension in cavity, described extension is provided with some through holes connecting with described second cavity, and the end of described extension leads to
The mode crossing mechanical crimp carries out end seal.
2. acoustic filter as claimed in claim 1 it is characterised in that：Described air inlet pipe is provided with some with what described expansion chamber connected
Perforation.
3. acoustic filter as claimed in claim 2 it is characterised in that：The end of described extension is in cross.
4. acoustic filter as claimed in claim 3 it is characterised in that：Described first escape pipe include the first connecting tube with described
The second parallel connecting tube of first connecting tube and described first connecting tube of connection are connected with the first U-shaped of described second connecting tube
Pipe, wherein said first connecting tube is provided with the first opening connect with described second cavity, described first connecting tube and described the
Two connecting tubes all run through described first baffle and described second baffle, and described first U-shaped connecting tube is located at described first cavity
Interior.
5. acoustic filter as claimed in claim 4 it is characterised in that：Described second escape pipe include the 3rd connecting tube with described
The 4th parallel connecting tube of 3rd connecting tube and described 3rd connecting tube of connection are connected with the second U-shaped of described 4th connecting tube
Pipe, wherein said 3rd connecting tube is provided with the second opening connect with described second cavity, described 3rd connecting tube and described the
Four connecting tubes all run through described first baffle and described second baffle, and described second U-shaped connecting tube is located at described first cavity
Interior.
6. acoustic filter as claimed in claim 5 it is characterised in that：Described air inlet pipe is provided with positioned at described one corner of housing
Import, described second connecting tube is provided with first outlet, and described 4th connecting tube is provided with second outlet, described first outlet with described
Second outlet along described housing short transverse be located at described housing middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899183.4A CN106437944A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899183.4A CN106437944A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106437944A true CN106437944A (en) | 2017-02-22 |
Family
ID=58174396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610899183.4A Pending CN106437944A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437944A (en) |
Citations (6)
| 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 |
| CN206092117U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气***有限公司 | Muffler |
-
2016
- 2016-10-14 CN CN201610899183.4A patent/CN106437944A/en active Pending
Patent Citations (6)
| 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 |
| CN206092117U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气***有限公司 | Muffler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105473832B (en) | Customization coordinates silencer | |
| CN107429709B (en) | For using Venturi effect to generate the device of vacuum | |
| US10233815B2 (en) | Muffler joint | |
| JPWO2015076228A1 (en) | Flange structure | |
| CN206092117U (en) | Muffler | |
| CN106437944A (en) | Silencer | |
| JP5049374B2 (en) | Pipe structure of silencer for internal combustion engine | |
| CN204494915U (en) | Bourdon's tube and V-arrangement heat exchanger | |
| CN206092120U (en) | Muffler | |
| CN106285836B (en) | Silencer for automobile exhaust system | |
| CN206092118U (en) | Muffler | |
| CN206092116U (en) | Muffler | |
| JP4606291B2 (en) | Pipe structure of silencer for internal combustion engine | |
| CN106351713B (en) | Silencer | |
| CN205823382U (en) | A kind of injection acoustic filter | |
| CN208918659U (en) | Muffler assembly | |
| CN206092113U (en) | Muffler | |
| CN106870376B (en) | Horizontal enthalpy-increasing compressor | |
| CN206092114U (en) | Muffler | |
| CN203050868U (en) | Automobile exhaust manifold assembly | |
| CN106368787A (en) | Silencer | |
| CN206092115U (en) | Muffler | |
| CN206583142U (en) | The anti-breaking high pressure resistant automotive air-conditioning condenser of type integral type | |
| CN106437945A (en) | Silencer | |
| CN205965253U (en) | Filter |
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 |