CN106351712A - Silencer - Google Patents
Silencer Download PDFInfo
- Publication number
- CN106351712A CN106351712A CN201610899236.2A CN201610899236A CN106351712A CN 106351712 A CN106351712 A CN 106351712A CN 201610899236 A CN201610899236 A CN 201610899236A CN 106351712 A CN106351712 A CN 106351712A
- Authority
- CN
- China
- Prior art keywords
- baffle
- pipe
- acoustic filter
- cavity
- support bar
- 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
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 relates to a silencer, which comprises a casing, a first baffle plate, a second baffle plate, an air inlet pipe and an air outlet pipe, wherein the first baffle plate and the second baffle plate are positioned in the casing; the air inlet pipe is in an L shape and comprises a first pipe body, a second pipe body and a porous pipe; the first pipe body extends along the axial line of the silencer; the second pipe body is vertical to the first pipe body; the porous pipe is connected with the first pipe body; the second pipe body is provided with an inlet penetrating through the casing; the silencer is also provided with a U-shaped pipe communicating with the porous pipe, and is also provided with a first support rod and a second support rod; the first support rod and the second support rod are welded between the first baffle plate and the second baffle plate, and are respectively positioned at the two sides of the porous pipe. Through such arrangement, the acoustic effect is improved; the anti-deformation capability of the baffle plates 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.The work temperature of acoustic filter
Difference scope is very big, and up to several Baidu when temperature is high, during cold start-up, acoustic filter temperature can be in the subzero several years.Under the so huge temperature difference
Work, the element within acoustic filter is susceptible to deform.
Content of the invention
It is an object of the invention to provide a kind of preferably and can prevent the acoustic filter deforming by 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, fixes respectively
The first end cap and the second end cap, the first baffle being located in described housing and second baffle, air inlet pipe in described housing both sides
And escape pipe, described acoustic filter be provided with positioned at the first cavity between described first end cap and described first baffle, be located at institute
State the second cavity between first baffle and described second baffle and be located between described second baffle and described second end cap
The 3rd cavity；Described air inlet pipe is in l shape, the first body that it includes extending along the axis of described acoustic filter, vertically described the
Second body of one body and the antipriming pipe being connected with described first pipe body phase, wherein said second body is provided with and runs through described
The import of housing, described antipriming pipe is located in described second cavity；Described acoustic filter be additionally provided with described 3rd cavity and
The u shape pipe being connected with described antipriming pipe；Described escape pipe is provided with positioned at described parallel to described first body, described escape pipe
Horn mouth in second cavity and be exposed to the outlet on described second end cap；Described acoustic filter is additionally provided with and is welded on described
First support bar between one baffle plate and described second baffle and second support bar, wherein said first support bar and described the
Two support bars are located at the both sides of described antipriming pipe respectively.
As further improved technical scheme of the present invention, the caliber of described u shape pipe is less than the caliber of described antipriming pipe.
As further improved technical scheme of the present invention, described u shape pipe is provided with being fixed on described second baffle
Three bodys and be suspended at the 4th body in described 3rd cavity, the length of described 4th body is less than described 3rd body
Length.
As further improved technical scheme of the present invention, described 4th body and described 3rd body be not in same level
In face.
As further improved technical scheme of the present invention, described acoustic filter is provided with is given vent to anger described 4th body with described
The first gripper shoe that sealing of tube is fixed together.
As further improved technical scheme of the present invention, described acoustic filter is provided with described second body and described first
The second gripper shoe that baffle plate is welded and fixed together, wherein said second gripper shoe is perpendicular to described first baffle.
As further improved technical scheme of the present invention, described first baffle be communicated with described first cavity with described
Some first perforates of the second cavity.
As further improved technical scheme of the present invention, described 4th body is higher than described 3rd body, and described second
Baffle plate is provided with the second perforate corresponding to described 4th body.
As further improved technical scheme of the present invention, described first support bar and described second support bar are all in hollow
Cylindrical shape.
Compared to prior art, the present invention improves acoustic efficiency by arranging u shape pipe；In addition, by arranging first
Strut and second support bar, improve the non-deformability of baffle plate.
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 front view removing after housing and end cap in Fig. 1.
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 include housing 1, be individually fixed in described
First end cap 11 of housing 1 both sides and the second end cap 12, the first baffle 21 being located in described housing 1 and second baffle 22, enter
Trachea 3 and escape pipe 4.
Described acoustic filter 100 be provided with positioned at the first cavity 10 between described first end cap 11 and described first baffle 21,
Positioned at the second cavity 20 between described first baffle 21 and described second baffle 22 and positioned at described second baffle 22 and institute
State the 3rd cavity 30 between the second end cap 12.
Described air inlet pipe 3 is in l shape, and it includes the first body 31, vertically described extending along the axis of described acoustic filter 100
Second body 32 of the first body 31 and the antipriming pipe 33 being connected with described first body 31, wherein said second body 32
It is provided with the import 321 running through described housing 1, described antipriming pipe 33 is located in described second cavity 20.
In order to realize good acoustic efficiency, described acoustic filter 100 be additionally provided with described 3rd cavity 30 and with institute
State the u shape pipe 34 that antipriming pipe 33 is connected.Please join shown in Fig. 4 and Fig. 6, the caliber of described u shape pipe 34 is less than described antipriming pipe 33
Caliber.Described u shape pipe 34 is provided with the 3rd body 341 being fixed on described second baffle 22 and is suspended at described 3rd chamber
The 4th body 342 in body 30, the length of described 4th body 342 is less than the length of described 3rd body 341.Described 4th pipe
Body 342 and described 3rd body 341 be not in same level.In illustrative embodiments of the present invention, described 4th body
342 is higher than described 3rd body 341.
Parallel to described first body 31, described escape pipe 4 is provided with described second cavity 20 described escape pipe 4
Horn mouth 41 and be exposed to the outlet 42 on described second end cap 12.
Described first baffle 21 is communicated with some first perforates of described first cavity 10 and described second cavity 20
211.Described second baffle 22 is provided with the second perforate 221 corresponding to described 4th body 342, to primarily serve adjustment acoustics
Function.
In order to improve the non-deformability of each element in described acoustic filter 100, described acoustic filter 100 is additionally provided with and is welded on
First support bar 51 between described first baffle 21 and described second baffle 22 and second support bar 52, wherein said first
Support bar 51 and described second support bar 52 are located at the both sides of described antipriming pipe 33 respectively.In illustrative embodiments of the present invention
In, described first support bar 51 and described second support bar 52 all in hollow cylindrical shape, so that fraction can be allowed therefrom to wear
Cross, reduce back pressure.In addition, described acoustic filter 100 is provided with, and with described escape pipe 4, described 4th body 342 is weldingly fixed on one
The first gripper shoe 61 rising and the second support that described second body 32 is welded and fixed together with described first baffle 21
Plate 62, wherein said second gripper shoe 62 is perpendicular to described first baffle 21.
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 (9)
1. a kind of acoustic filter, it includes housing, the first end cap being individually fixed in described housing both sides and the second end cap, is located at institute
State the first baffle in housing and second baffle, air inlet pipe and escape pipe, described acoustic filter is provided with positioned at described first end cap
The first cavity and described first baffle between, the second cavity being located between described first baffle and described second baffle and
The 3rd cavity between described second baffle and described second end cap；It is characterized in that: described air inlet pipe is in l shape, its bag
Include along described acoustic filter axis extend the first body, vertically the second body of described first body and with described first pipe
The antipriming pipe that body phase connects, wherein said second body is provided with the import running through described housing, and described antipriming pipe is located at described the
In two cavitys；The u shape pipe that described acoustic filter is additionally provided with described 3rd cavity and is connected with described antipriming pipe；Described go out
Trachea parallel to described first body, horn mouth that described escape pipe is provided with described second cavity and be exposed to described
Outlet on second end cap；Described acoustic filter is additionally provided with first being welded between described first baffle and described second baffle
Strut and second support bar, wherein said first support bar and described second support bar are located at the two of described antipriming pipe respectively
Side.
2. acoustic filter as claimed in claim 1 it is characterised in that: the caliber of described u shape pipe be less than described antipriming pipe caliber.
3. acoustic filter as claimed in claim 2 it is characterised in that: described u shape pipe is provided with and is fixed on described second baffle
3rd body and be suspended at the 4th body in described 3rd cavity, the length of described 4th body is less than described 3rd body
Length.
4. acoustic filter as claimed in claim 3 it is characterised in that: described 4th body and described 3rd body be not in same water
In plane.
5. acoustic filter as claimed in claim 4 it is characterised in that: described acoustic filter be provided with by described 4th body with described go out
The first gripper shoe that trachea is welded and fixed together.
6. acoustic filter as claimed in claim 5 it is characterised in that: described acoustic filter is provided with described second body and described the
The second gripper shoe that one baffle plate is welded and fixed together, wherein said second gripper shoe is perpendicular to described first baffle.
7. acoustic filter as claimed in claim 6 it is characterised in that: described first baffle is communicated with described first cavity and institute
State some first perforates of the second cavity.
8. acoustic filter as claimed in claim 7 it is characterised in that: described 4th body is higher than described 3rd body, described the
Two baffle plates are provided with the second perforate corresponding to described 4th body.
9. acoustic filter as claimed in claim 8 it is characterised in that: described first support bar and described second support bar are in all sky
The cylindrical shape of the heart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899236.2A CN106351712B (en) | 2016-10-14 | 2016-10-14 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899236.2A CN106351712B (en) | 2016-10-14 | 2016-10-14 | Silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106351712A true CN106351712A (en) | 2017-01-25 |
| CN106351712B CN106351712B (en) | 2018-08-28 |
Family
ID=57866684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610899236.2A Active CN106351712B (en) | 2016-10-14 | 2016-10-14 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106351712B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434785A (en) * | 2021-06-02 | 2022-12-06 | 普瑞姆有限公司 | Muffler, method for producing a muffler and exhaust system for an internal combustion engine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100360909B1 (en) * | 2000-09-20 | 2002-11-18 | 현대자동차주식회사 | Muffler device |
| CN2682212Y (en) * | 2004-01-12 | 2005-03-02 | 良飞工业有限公司 | Exhaust pipe |
| US20110048848A1 (en) * | 2009-09-03 | 2011-03-03 | Hyundai Motor Company | Muffler apparatus for vehicle |
| CN102086795A (en) * | 2009-12-02 | 2011-06-08 | 现代自动车株式会社 | Variable muffler |
| CN102235222A (en) * | 2010-05-08 | 2011-11-09 | J·埃贝斯佩歇合资公司 | Silencer |
| CN202611804U (en) * | 2012-04-09 | 2012-12-19 | 天纳克同泰（大连）排气系统有限公司 | Automobile silencer with core reinforcing rib |
| CN203835497U (en) * | 2014-04-28 | 2014-09-17 | 宁波亿超消音科技有限公司 | Noise eliminating structure of exhaust purifying silencer |
| CN204532471U (en) * | 2014-12-26 | 2015-08-05 | 重庆博沃发动机配件制造有限公司 | For the silencing apparatus of portable lamp tower wagon |
| CN206092119U (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 CN201610899236.2A patent/CN106351712B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100360909B1 (en) * | 2000-09-20 | 2002-11-18 | 현대자동차주식회사 | Muffler device |
| CN2682212Y (en) * | 2004-01-12 | 2005-03-02 | 良飞工业有限公司 | Exhaust pipe |
| US20110048848A1 (en) * | 2009-09-03 | 2011-03-03 | Hyundai Motor Company | Muffler apparatus for vehicle |
| CN102086795A (en) * | 2009-12-02 | 2011-06-08 | 现代自动车株式会社 | Variable muffler |
| CN102235222A (en) * | 2010-05-08 | 2011-11-09 | J·埃贝斯佩歇合资公司 | Silencer |
| CN202611804U (en) * | 2012-04-09 | 2012-12-19 | 天纳克同泰（大连）排气系统有限公司 | Automobile silencer with core reinforcing rib |
| CN203835497U (en) * | 2014-04-28 | 2014-09-17 | 宁波亿超消音科技有限公司 | Noise eliminating structure of exhaust purifying silencer |
| CN204532471U (en) * | 2014-12-26 | 2015-08-05 | 重庆博沃发动机配件制造有限公司 | For the silencing apparatus of portable lamp tower wagon |
| CN206092119U (en) * | 2016-10-14 | 2017-04-12 | 上海天纳克排气系统有限公司 | Muffler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115434785A (en) * | 2021-06-02 | 2022-12-06 | 普瑞姆有限公司 | Muffler, method for producing a muffler and exhaust system for an internal combustion engine |
| EP4098851A1 (en) * | 2021-06-02 | 2022-12-07 | Purem GmbH | Silencer and method of manufacturing a silencer |
| CN115434785B (en) * | 2021-06-02 | 2024-06-04 | 普瑞姆有限公司 | Muffler, method for producing a muffler, and exhaust system for an internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106351712B (en) | 2018-08-28 |
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| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant |