CN106368787A - Silencer - Google Patents
Silencer Download PDFInfo
- Publication number
- CN106368787A CN106368787A CN201610899246.6A CN201610899246A CN106368787A CN 106368787 A CN106368787 A CN 106368787A CN 201610899246 A CN201610899246 A CN 201610899246A CN 106368787 A CN106368787 A CN 106368787A
- Authority
- CN
- China
- Prior art keywords
- baffle
- cavity
- acoustic filter
- end cap
- hole
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a silencer comprising a shell, a first end cover, a second end cover, a first baffle, a second baffle and a guide pipe, wherein the shell is internally provided with a first cavity, a second cavity and a third cavity. The guide pipe comprises a first pipe body and a second pipe body sleeved together with the first pipe body, and the first pipe body is provided with an S-shaped bending part and a flaring. The bending part is provided with an outlet end, and a first through hole for accommodating the outlet end is formed in the first end cover. The second pipe body is provided with a connecting part extending into the flaring and an inlet end, and a second through hole for accommodating the inlet end is formed in the second end cover. The silencer is also provided with a pitch pipe connected to the second pipe body. According to the silencer, the first pipe body and the second pipe body can be axially and slidably connected together, so that deformation can be absorbed; in addition, compared with traditional welding, the way of tightly jointing the outlet end/inlet end to the inner side of the first through hole/the second through hole through diameter-expanded pressure welding is more convenient.
Description
Technical field
The present invention relates to a kind of acoustic filter, belong to engine exhaust post-processing technology field.
Background technology
High-temperature exhaust air in acoustic filter easily makes element mechanically deform occur, thus causing the cracking of welding position.According to
The requirement of durability, requires consideration for how in muffler desing to solve above-mentioned technical problem.
Content of the invention
It is an object of the invention to provide a kind of can absorb deformation and easily fabricated acoustic filter.
For achieving the above object, the present invention adopts the following technical scheme that a kind of acoustic filter, and it is included by one piece of metal plate coils
The housing of curved one-tenth, the first end cap being located at described housing two ends respectively and the second end cap, the first gear being located in described housing
Plate and second baffle and the conduit running through described first end cap and described second end cap, are provided with positioned at institute in wherein said housing
State the first cavity between the first end cap and described first baffle, be located between described first baffle and described second baffle the
Two cavitys and be located at the 3rd cavity between described second baffle and described second end cap, described conduit include the first body with
And the second body connecting together with described first body, described first body axially slidably connected with described second body
It is connected together, described first body is provided with bending section and the enlarging of s shape, wherein said crooked position is in described first cavity
Interior, described enlarging is located in described second cavity, and described bending section is provided with the port of export, and described first end is covered with and goes out described in collecting
The first through hole at mouthful end, the described port of export by outwards expanding to be fitted tightly over the inner side of described first through hole；Described second pipe
Body is provided with the connecting portion extending in described enlarging and extends horizontally through entering in described 3rd cavity from described connecting portion
Mouthful end, described second end cap is provided with the second through hole housing described arrival end, described arrival end by outwards expanding to fit tightly
Inner side in described second through hole；Described acoustic filter is additionally provided with the pitch pipe being connected on described second body, wherein said tune
Sound tube extends through described second baffle with described first baffle to be connected with described first cavity from described 3rd cavity.
As further improved technical scheme of the present invention, described first body is with described second body axially slidably
Link together, the periphery of wherein said connecting portion is socketed with steel wool, described steel wool mechanical grip is in described enlarging.
As further improved technical scheme of the present invention, described arrival end is located on the axis of described acoustic filter, described
The port of export deviates the axis of described acoustic filter.
As further improved technical scheme of the present invention, described first body pass through described first baffle, described second
Body passes through described second baffle.
As further improved technical scheme of the present invention, described pitch pipe is provided with the opening near described first end cap.
As further improved technical scheme of the present invention, described acoustic filter be provided be welded on described first baffle with described
Bracing piece between second baffle.
As further improved technical scheme of the present invention, the caliber phase of the caliber of described arrival end and the described port of export
With.
Compared to prior art, the present invention passes through the first body is axially slidably linked together with the second body,
Deformation can be absorbed；In addition, compared to traditional welding, the port of export/arrival end is fitted tightly over by this expanding crimping
The mode of the inner side of first through hole/the second through hole is more convenient, and can absorb certain stress to improve the durability of 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 schematic perspective view removing after housing and end cap in Fig. 1.
Fig. 6 is the profile of the a-a line along along Fig. 1.
Fig. 7 is the partial enlarged drawing of circle b in Fig. 6.
Fig. 8 is the partial enlarged drawing of circle c in Fig. 6.
Specific embodiment
Please join shown in Fig. 1 to Fig. 8, present invention is disclosed a kind of acoustic filter 100, it is included by the curved one-tenth of one piece of metal plate coils
Housing 1, the first end cap 11 and the second end cap 12 that are located at described housing 1 two ends respectively, the first gear in described housing 1
Plate 21 and second baffle 22 and the conduit 3 running through described first end cap 11 and described second end cap 12, wherein said housing 1
Inside be provided with positioned at the first cavity 10 between described first end cap 11 and described first baffle 21, be located at described first baffle 21 with
The second cavity 20 between described second baffle 22 and be located between described second baffle 22 and described second end cap 12 the
Three cavitys 30.
Described conduit 3 includes the first body 31 and the second body 32 connecting together with described first body 31.Institute
State bending section 311 and the enlarging 312 that the first body 31 is provided with s shape, wherein said bending section 311 is located at described first cavity 10
Interior, described enlarging 312 is located in described second cavity 20, and described bending section 311 is provided with the port of export 313, described first end cap 11
It is provided with the first through hole 111 housing the described port of export 313.Please join shown in Fig. 7, the described port of export 313 by outwards expanding with tight
It is fitted in the inner side of described first through hole 111, wherein dotted line represents the position of the not expanding front port of export 313.Described second body
32 are provided with the connecting portion 321 extending in described enlarging 312 and extend horizontally through described 3rd chamber from described connecting portion 321
Arrival end 322 in body 30, described second end cap 12 is provided with the second through hole 121 housing described arrival end 322.Described arrival end
322 by the outwards expanding inner side to be fitted tightly over described second through hole 121 to eliminate gap, wherein dotted line represent not expanding before
The position of arrival end 322.In illustrative embodiments of the present invention, described first body 31 axially can with described second body 32
It is slidingly connected together, the periphery of wherein said connecting portion 321 is socketed with steel wool 33, and described steel wool 33 mechanical grip exists
In described enlarging 312.It is arranged such, it is possible to use described first body 31 to be absorbed with described second sliding axially of body 32
The produced impact of deformation.In addition, in illustrative embodiments of the present invention, the caliber of described arrival end 322 and described outlet
The caliber at end 313 is identical.It is arranged such, it is possible to use identical tool is expanded to pipe, reduces cost.Compared to biography
The welding of system, the mode of this expanding crimping is more convenient and can absorb certain stress to improve the durability of product.
Described arrival end 322 is located on the axis of described acoustic filter 1, and the described port of export 313 deviates the axle of described acoustic filter 1
Line.Described first body 31 passes through described first baffle 21, and described second body 32 passes through described second baffle 22.
Described acoustic filter 100 is additionally provided with the pitch pipe 4 being connected on described second body 32, and wherein said pitch pipe 4 is certainly
Described 3rd cavity 30 extends through described second baffle 22 with described first baffle 21 to be connected with described first cavity 10.
Described pitch pipe 4 is provided with the opening 41 near described first end cap 11.
Described acoustic filter 1 is additionally provided with the bracing piece 5 being welded between described first baffle 21 and described second baffle 22, with
Improve structural strength, prevent from deforming.
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 include by the curved one-tenth of one piece of metal plate coils housing, be located at the first of described housing two ends respectively
End cap and the second end cap, the first baffle being located in described housing and second baffle and run through described first end cap and described the
The conduit of two end caps, be provided with wherein said housing positioned at the first cavity between described first end cap and described first baffle,
The second cavity between described first baffle and described second baffle and be located at described second baffle and described second end
The 3rd cavity between lid it is characterised in that: described conduit is included the first body and is connected together with described first body
The second body, described first body axially slidably linked together with described second body, and described first body is provided with s
The bending section of shape and enlarging, in described first cavity, described enlarging is located at described second cavity to wherein said crooked position
Interior, described bending section is provided with the port of export, and described first end is covered with the first through hole housing the described port of export, described port of export quilt
Outwards expanding to be fitted tightly over the inner side of described first through hole；Described second body is provided with the connection extending in described enlarging
Portion and extend horizontally through the arrival end in described 3rd cavity from described connecting portion, it is described that described second end cap is provided with collecting
Second through hole of arrival end, described arrival end by outwards expanding to be fitted tightly over the inner side of described second through hole；Described noise elimination
Device is additionally provided with the pitch pipe being connected on described second body, and wherein said pitch pipe extends through described from described 3rd cavity
Second baffle is with described first baffle to be connected with described first cavity.
2. acoustic filter as claimed in claim 1 it is characterised in that: the periphery of described connecting portion is socketed with steel wool, described steel
Velvet mechanical grip is in described enlarging.
3. acoustic filter as claimed in claim 2 it is characterised in that: described arrival end be located at described acoustic filter axis on, institute
State the axis that the port of export deviates described acoustic filter.
4. acoustic filter as claimed in claim 3 it is characterised in that: described first body passes through described first baffle, described the
Two bodys pass through described second baffle.
5. acoustic filter as claimed in claim 4 it is characterised in that: described pitch pipe is provided near the opening of described first end cap
Mouthful.
6. acoustic filter as claimed in claim 5 it is characterised in that: described acoustic filter is provided with and is welded on described first baffle and institute
State the bracing piece between second baffle.
7. acoustic filter as claimed in claim 6 it is characterised in that: the caliber phase of the caliber of described arrival end and the described port of export
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899246.6A CN106368787A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899246.6A CN106368787A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106368787A true CN106368787A (en) | 2017-02-01 |
Family
ID=57896119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610899246.6A Pending CN106368787A (en) | 2016-10-14 | 2016-10-14 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106368787A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190153925A1 (en) * | 2017-11-20 | 2019-05-23 | Tenneco Automotive Operating Company Inc. | Pipe And Metal Sheet Subassembly For An Exhaust Treatment Device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2382377A (en) * | 2001-11-06 | 2003-05-28 | Lloyd Simmons | Engine exhaust silencer, eg for motorcycles, with selectable direct and indirect flow paths |
| JP2004060523A (en) * | 2002-07-29 | 2004-02-26 | Sango Co Ltd | Muffler |
| JP2007170244A (en) * | 2005-12-21 | 2007-07-05 | Calsonic Kansei Corp | Muffler for vehicle |
| CN201738989U (en) * | 2010-07-13 | 2011-02-09 | 东风汽车股份有限公司 | Exhaust silencer |
| CN104675477A (en) * | 2015-03-03 | 2015-06-03 | 上海天纳克排气***有限公司 | Silencer |
| CN105422234A (en) * | 2014-09-12 | 2016-03-23 | 本田技研工业株式会社 | Exhaust device |
| CN206092115U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气***有限公司 | Muffler |
-
2016
- 2016-10-14 CN CN201610899246.6A patent/CN106368787A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2382377A (en) * | 2001-11-06 | 2003-05-28 | Lloyd Simmons | Engine exhaust silencer, eg for motorcycles, with selectable direct and indirect flow paths |
| JP2004060523A (en) * | 2002-07-29 | 2004-02-26 | Sango Co Ltd | Muffler |
| JP2007170244A (en) * | 2005-12-21 | 2007-07-05 | Calsonic Kansei Corp | Muffler for vehicle |
| CN201738989U (en) * | 2010-07-13 | 2011-02-09 | 东风汽车股份有限公司 | Exhaust silencer |
| CN105422234A (en) * | 2014-09-12 | 2016-03-23 | 本田技研工业株式会社 | Exhaust device |
| CN104675477A (en) * | 2015-03-03 | 2015-06-03 | 上海天纳克排气***有限公司 | Silencer |
| CN206092115U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气***有限公司 | Muffler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190153925A1 (en) * | 2017-11-20 | 2019-05-23 | Tenneco Automotive Operating Company Inc. | Pipe And Metal Sheet Subassembly For An Exhaust Treatment Device |
| WO2019099656A1 (en) * | 2017-11-20 | 2019-05-23 | Tenneco Automotive Operating Company Inc. | Pipe and metal sheet subassembly for an exhaust treatment device |
| US10787951B2 (en) | 2017-11-20 | 2020-09-29 | Tenneco Automotive Operating Company Inc. | Pipe and metal sheet subassembly for an exhaust treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |
|
| RJ01 | Rejection of invention patent application after publication |