CN106351712B - Silencer - Google Patents

Silencer Download PDF

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Publication number
CN106351712B
CN106351712B CN201610899236.2A CN201610899236A CN106351712B CN 106351712 B CN106351712 B CN 106351712B CN 201610899236 A CN201610899236 A CN 201610899236A CN 106351712 B CN106351712 B CN 106351712B
Authority
CN
China
Prior art keywords
tube body
silencer
baffle
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.)
Active
Application number
CN201610899236.2A
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Chinese (zh)
Other versions
CN106351712A (en
Inventor
杜军
蔡宇行
印仁军
施轶
林绳缤
沈鑫
荀正
吴程明
曹荣勇
王明敏
杨明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Tenneco Exhaust System Co Ltd
Original Assignee
Shanghai Tenneco Exhaust System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Tenneco Exhaust System Co Ltd filed Critical Shanghai Tenneco Exhaust System Co Ltd
Priority to CN201610899236.2A priority Critical patent/CN106351712B/en
Publication of CN106351712A publication Critical patent/CN106351712A/en
Application granted granted Critical
Publication of CN106351712B publication Critical patent/CN106351712B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/08Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/082Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust 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
    • F01N13/007Apparatus used as intake or exhaust silencer

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

A kind of silencer comprising shell, the first baffle in the shell and second baffle, air inlet pipe and escape pipe.The air inlet pipe is L-shaped comprising the second tube body of the first tube body, vertical first tube body that extend along the axis of the silencer and the antipriming pipe being connected with first tube body, wherein second tube body is equipped with the import through the shell.The silencer is additionally provided with the U-tube being connected with the antipriming pipe.The silencer is additionally provided with the first support bar and second support bar being welded between the first baffle and the second baffle, wherein the first support bar is located at the both sides of the antipriming pipe with the second support bar.So set, improving the non-deformability of acoustic efficiency and baffle.

Description

Silencer
Technical field
The present invention relates to a kind of silencers, belong to engine exhaust post-processing technology field.
Background technology
In passenger car field, silencer is the device for the reduction noise being widely used on car.The work temperature of silencer Poor range is very big, and up to several Baidu when temperature is high, silencer temperature can be in the subzero several years when cold start-up.Under such huge temperature difference It works, the element inside silencer easily deforms.
Invention content
The purpose of the present invention is to provide it is a kind of can acoustic efficiency preferably and can prevent deformation silencer.
To achieve the above object, the present invention adopts the following technical scheme that:A kind of silencer comprising shell is fixed respectively First end cover and second end cover, the first baffle in the shell and second baffle, air inlet pipe in the shell both sides And escape pipe, the silencer are equipped with the first cavity positioned at the first end cover and the first baffle between, positioned at institute State the second cavity between first baffle and the second baffle and between the second baffle and the second end cover Third cavity;The air inlet pipe is L-shaped comprising the first tube body for extending along the axis of the silencer, vertical described the Second tube body of one tube body and the antipriming pipe being connected with first tube body, wherein second tube body is equipped with through described The import of shell, the antipriming pipe are located in second cavity;The silencer be additionally provided in the third cavity and The U-tube being connected with the antipriming pipe;The escape pipe is parallel to first tube body, and the escape pipe is equipped with positioned at described The outlet of horn mouth and exposure on the second end cover in second cavity;The silencer, which is additionally provided with, is welded on described First support bar between one baffle and the second baffle and second support bar, wherein the first support bar and described the Two supporting rods are located at the both sides of the antipriming pipe.
As further improved technical scheme of the present invention, the caliber of the U-tube is less than the caliber of the antipriming pipe.
As further improved technical scheme of the present invention, the U-tube is equipped with the be fixed on the second baffle The length of three tube bodies and the 4th tube body being suspended in the third cavity, the 4th tube body is less than the third tube body Length.
As further improved technical scheme of the present invention, the 4th tube body is with the third tube body not in same level In face.
As further improved technical scheme of the present invention, the silencer is equipped with the 4th tube body and the outlet The first support plate that pipe is welded and fixed together.
As further improved technical scheme of the present invention, the silencer is equipped with second tube body and described first The second support plate that baffle is welded and fixed together, wherein second support plate is perpendicular to the first baffle.
As further improved technical scheme of the present invention, the first baffle be equipped be connected to first cavity with it is described Several first trepannings of second cavity.
As further improved technical scheme of the present invention, the 4th tube body be higher than the third tube body, described second Baffle is equipped with the second trepanning corresponding to the 4th tube body.
As further improved technical scheme of the present invention, the first support bar is in hollow with the second support bar Cylindrical shape.
Compared to the prior art, the present invention improves acoustic efficiency by the way that U-tube is arranged;In addition, by being arranged first Strut and second support bar improve the non-deformability of baffle.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of silencer of the present invention.
Fig. 2 is the stereoscopic schematic diagram of another angles of Fig. 1.
Fig. 3 is the part isometric exploded view of Fig. 1.
Fig. 4 is the further stereogram exploded views of Fig. 3.
Fig. 5 is the front view removed after Fig. 1 middle casings and end cap.
Fig. 6 is the sectional view of the line A-A along Fig. 1.
Specific implementation mode
Please join shown in Fig. 1 to Fig. 6, present invention is disclosed a kind of silencers 100 comprising shell 1, be individually fixed in it is described The first end covers 11 of 1 both sides of shell with second end cover 12, the first baffle 21 in the shell 1 with second baffle 22, into Tracheae 3 and escape pipe 4.
The silencer 100 be equipped with the first cavity 10 between the first end cover 11 and the first baffle 21, The second cavity 20 between the first baffle 21 and the second baffle 22 and it is located at the second baffle 22 and institute State the third cavity 30 between second end cover 12.
The air inlet pipe 3 is L-shaped comprising the first tube body 31 for extending along the axis of the silencer 100, vertical described Second tube body 32 of the first tube body 31 and the antipriming pipe 33 being connected with first tube body 31, wherein second tube body 32 Equipped with the import 321 through the shell 1, the antipriming pipe 33 is located in second cavity 20.
In order to realize good acoustic efficiency, the silencer 100 be additionally provided in the third cavity 30 and with institute State the U-tube 34 that antipriming pipe 33 is connected.It please join shown in Fig. 4 and Fig. 6, the caliber of the U-tube 34 is less than the antipriming pipe 33 Caliber.The U-tube 34 is equipped with the third tube body 341 being fixed on the second baffle 22 and is suspended at the third chamber The 4th tube body 342 in body 30, the length of the 4th tube body 342 are less than the length of the third tube body 341.4th pipe Body 342 is with the third tube body 341 not in same level.In illustrative embodiments of the present invention, the 4th tube body 342 are higher than the third tube body 341.
The escape pipe 4 is parallel to first tube body 31, and the escape pipe 4, which is equipped with, to be located in second cavity 20 Horn mouth 41 and the outlet 42 being exposed in the second end cover 12.
The first baffle 21 is equipped with several first trepannings for being connected to first cavity 10 and second cavity 20 211.The second baffle 22 is equipped with the second trepanning 221 corresponding to the 4th tube body 342, to primarily serve adjustment acoustics Function.
In order to improve the non-deformability of each element in the silencer 100, the silencer 100, which is additionally provided with, to be welded on First support bar 51 between the first baffle 21 and the second baffle 22 and second support bar 52, wherein described first Supporting rod 51 is located at the both sides of the antipriming pipe 33 with the second support bar 52.In illustrative embodiments of the present invention In, the first support bar 51 is in hollow cylindrical shape with the second support bar 52, fraction can be allowed therefrom to wear It crosses, reduces back pressure.In addition, the silencer 100 is equipped with is weldingly fixed on one by the 4th tube body 342 and the escape pipe 4 The first support plate 61 risen and the second support for being welded and fixed together second tube body 32 and the first baffle 21 Plate 62, wherein second support plate 62 is perpendicular to the first baffle 21.
In addition, above example is merely to illustrate the present invention and not limits technical solution described in the invention, to this The understanding of specification 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, still, it will be understood by those of ordinary skill in the art that, the technology of technical field Personnel still can modify or equivalently replace the present invention, and all do not depart from the technology of the spirit and scope of the present invention Scheme and its improvement should all be covered in scope of the presently claimed invention.

Claims (9)

1. a kind of silencer comprising shell, the first end cover for being individually fixed in the shell both sides and second end cover are located at institute The first baffle and second baffle, air inlet pipe and escape pipe in shell are stated, the silencer, which is equipped with, is located at the first end cover The first cavity between the first baffle, the second cavity between the first baffle and the second baffle and Third cavity between the second baffle and the second end cover;It is characterized in that:The air inlet pipe is L-shaped, packet It includes the first tube body of the axis extension along the silencer, the second tube body of vertical first tube body and is managed with described first The antipriming pipe that body is connected, wherein second tube body is equipped with the import through the shell, the antipriming pipe is located at described the In two cavitys;The silencer is additionally provided with the U-tube being connected in the third cavity and with the antipriming pipe;It is described go out Tracheae is parallel to first tube body, and the escape pipe is equipped with the horn mouth being located in second cavity and is exposed to described Outlet in second end cover;The silencer is additionally provided with first be welded between the first baffle and the second baffle Strut and second support bar, wherein the first support bar is located at the two of the antipriming pipe with the second support bar Side.
2. silencer as described in claim 1, it is characterised in that:The caliber of the U-tube is less than the caliber of the antipriming pipe.
3. silencer as claimed in claim 2, it is characterised in that:The U-tube is equipped with and is fixed on the second baffle The length of third tube body and the 4th tube body being suspended in the third cavity, the 4th tube body is less than the third tube body Length.
4. silencer as claimed in claim 3, it is characterised in that:4th tube body is with the third tube body not in same water In plane.
5. silencer as claimed in claim 4, it is characterised in that:The silencer be equipped with by the 4th tube body with it is described go out The first support plate that tracheae is welded and fixed together.
6. silencer as claimed in claim 5, it is characterised in that:The silencer is equipped with will second tube body and described the The second support plate that one baffle is welded and fixed together, wherein second support plate is perpendicular to the first baffle.
7. silencer as claimed in claim 6, it is characterised in that:The first baffle, which is equipped with, is connected to first cavity and institute State several first trepannings of the second cavity.
8. silencer as claimed in claim 7, it is characterised in that:4th tube body is higher than the third tube body, and described the Two baffles are equipped with the second trepanning corresponding to the 4th tube body.
9. silencer as claimed in claim 8, it is characterised in that:The first support bar is in sky with the second support bar The cylindrical shape of the heart.
CN201610899236.2A 2016-10-14 2016-10-14 Silencer Active CN106351712B (en)

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 CN106351712A (en) 2017-01-25
CN106351712B true 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021114254A1 (en) 2021-06-02 2022-12-08 Purem GmbH Muffler and method of making a muffler

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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
KR101164152B1 (en) * 2009-09-03 2012-07-11 현대자동차주식회사 Muffler apparatus for vehicle
KR101114394B1 (en) * 2009-12-02 2012-03-05 현대자동차주식회사 Variable muffler
DE102010019959A1 (en) * 2010-05-08 2011-11-10 J. Eberspächer GmbH & Co. KG 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021114254A1 (en) 2021-06-02 2022-12-08 Purem GmbH Muffler and method of making a muffler

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Publication number Publication date
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