CN106368768B - Silencer - Google Patents

Silencer Download PDF

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Publication number
CN106368768B
CN106368768B CN201610899219.9A CN201610899219A CN106368768B CN 106368768 B CN106368768 B CN 106368768B CN 201610899219 A CN201610899219 A CN 201610899219A CN 106368768 B CN106368768 B CN 106368768B
Authority
CN
China
Prior art keywords
baffle
cavity
tube body
air inlet
silencer
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
CN201610899219.9A
Other languages
Chinese (zh)
Other versions
CN106368768A (en
Inventor
陈君
蔡宇行
印仁军
施轶
林绳缤
马卓
曹荣勇
荀正
吴程明
陆明华
黄志伟
范凌云
王明敏
孙啸
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 CN201610899219.9A priority Critical patent/CN106368768B/en
Publication of CN106368768A publication Critical patent/CN106368768A/en
Application granted granted Critical
Publication of CN106368768B publication Critical patent/CN106368768B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Abstract

A kind of silencer comprising shell, several baffles, air inlet pipe and the first escape pipe and the second escape pipe.Several baffles include spaced first baffle, second baffle, third baffle and fourth gear plate.Shell includes the first cavity between second baffle and third baffle, the second cavity between first baffle and second baffle, the third cavity between third baffle and fourth gear plate, the 5th cavity positioned at the 4th cavity of first baffle side and positioned at the fourth gear plate other side.Air inlet pipe is located in the first cavity and air inlet pipe is equipped with several first apertures.Silencer further includes the casing being socketed in air inlet pipe, and middle sleeve is equipped with several second apertures.Silencer is additionally provided with the connecting tube connecting with air inlet pipe.Connecting tube passes through the third baffle and the fourth gear plate to extend into the 5th cavity.So set, improving the acoustic efficiency of silencer.

Description

Silencer
Technical field
The present invention relates to a kind of silencers, belong to engine exhaust post-processing technology field.
Background technique
In passenger car field, silencer is the device for the reduction noise being widely used on car.How silencer to be made to exist Having good acoustic efficiency when work is person of ordinary skill in the field's technical issues that need to address.
Summary of the invention
The purpose of the present invention is to provide a kind of preferable silencers of acoustic efficiency.
To achieve the above object, the present invention adopts the following technical scheme: a kind of silencer comprising shell, be located at it is described The intracorporal several baffles of shell extend into the intracorporal air inlet pipe of the shell and the first escape pipe and the second escape pipe, wherein described Shell includes upper housing and the lower case that welds together with the upper housing;Several baffles include spaced One baffle, second baffle, third baffle and fourth gear plate, the shell include being located at the second baffle and the third gear The first cavity between plate, is located at the third gear at the second cavity between the first baffle and the second baffle Third cavity between plate and the fourth gear plate, positioned at the first baffle side the 4th cavity and be located at the described 4th 5th cavity of the baffle other side;The air inlet pipe is located in first cavity and the air inlet pipe is equipped with several first and opens Hole;The silencer further includes the casing being socketed in the air inlet pipe, and wherein described sleeve pipe is equipped with several second apertures;It is described Silencer is additionally provided with the connecting tube connecting with the air inlet pipe, and the connecting tube passes through the third baffle and the fourth gear plate To extend into the 5th cavity;First escape pipe passes through the first baffle and the second baffle to extend into It states in the first cavity, first escape pipe is equipped with and is tilted in intracorporal first rake of first chamber, second outlet For pipe across the third baffle and the fourth gear plate to extend into first cavity, second escape pipe is equipped with inclination In intracorporal second rake of first chamber.
Technical solution as a further improvement of that present invention, the silencer be equipped be welded on the second baffle with it is described Support plate between third baffle, the support plate are equipped with several perforation being connected to first cavity;First aperture Positioned at the side of the support plate, the air inlet pipe is additionally provided with several third apertures positioned at the other side of the support plate.
Technical solution as a further improvement of that present invention, the length of described sleeve pipe are less than the length of the air inlet pipe, and Described sleeve pipe is located at the side of the support plate.
Technical solution as a further improvement of that present invention, the length that first aperture is distributed in the air inlet pipe The length being distributed in described sleeve pipe equal to second aperture.
Technical solution as a further improvement of that present invention, the caliber of the connecting tube are less than the caliber of the air inlet pipe.
Technical solution as a further improvement of that present invention, the connecting tube include the first pipe connecting with the air inlet pipe Body, extended vertically from first tube body and through the second tube body of the third baffle and the fourth gear plate, from described the Two tube bodies extend vertically and parallel to the third tube body of first tube body and from the third tube bodies towards the fourth gear The 4th tube body that plate extends.
Technical solution as a further improvement of that present invention, the third tube body and second tube body be not in same level In face.
Technical solution as a further improvement of that present invention, the third tube body and the 4th tube body are below described Second tube body.
Technical solution as a further improvement of that present invention, first rake and second rake are close to institute State the first tube body.
Technical solution as a further improvement of that present invention, the first baffle be equipped be connected to second cavity with it is described Several first circular holes of 4th cavity;The second baffle, which is equipped with, is connected to several the of first cavity and second cavity Two circular holes;The third baffle is equipped with several third circular holes for being connected to the third cavity and first cavity;Described 4th The hole of baffle not set connection the third cavity and the 5th cavity.
Compared to the prior art, the casing that the present invention is socketed in the air inlet pipe by setting, and described sleeve pipe is equipped with Several second apertures, to improve acoustic efficiency.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of silencer of the present invention.
Fig. 2 is the stereoscopic schematic diagram of another angle of Fig. 1.
Fig. 3 is the part isometric exploded view of Fig. 1.
Fig. 4 is further stereogram exploded view after shell in removal Fig. 3.
Fig. 5 is the further stereogram exploded view of Fig. 3.
Fig. 6 is the sectional view of the line A-A along Fig. 1.
Specific embodiment
It please join shown in Fig. 1 to Fig. 6, present invention discloses a kind of silencers 100 comprising shell 1 is located at the shell 1 Interior several baffles 2 extend into air inlet pipe 3 in the shell 1 and the first escape pipe 41 and the second escape pipe 42, wherein The shell 1 includes upper housing 11 and the lower case 12 welded together with the upper housing 11.
Several baffles 2 include spaced first baffle 21, second baffle 22, third baffle 23 and fourth gear Plate 24, the shell 1 include the first cavity 10 between the second baffle 22 and the third baffle 23, be located at it is described The second cavity 20 between first baffle 21 and the second baffle 22 is located at the third baffle 23 and the fourth gear plate 24 Between third cavity 30, positioned at 21 side of first baffle the 4th cavity 40 and be located at the fourth gear plate 24 it is another 5th cavity 50 of side.In illustrative embodiments of the present invention, the first baffle 21, which is equipped with, is connected to second cavity 20 With several first circular holes 211 of the 4th cavity 40;The second baffle 22 be equipped be connected to first cavity 10 with it is described Several second circular holes 221 of second cavity 20;The third baffle 23, which is equipped with, is connected to the third cavity 30 and first chamber Several third circular holes 231 of body 10;The not set connection of the fourth gear plate 24 third cavity 30 and the 5th cavity 50 Hole.
The silencer 100 is equipped with the support plate 5 being welded between the second baffle 22 and the third baffle 23, institute It states support plate 5 and is equipped with several perforation 51 being connected to first cavity 10.The air inlet pipe 3 passes through the support plate 5 and frame It is located in the support plate 5.The air inlet pipe 3 is located in first cavity 10 and the air inlet pipe 3 is equipped with several first and opens Hole 31, first aperture 31 are located at the side of the support plate 5.
In order to realize that good acoustic efficiency, the silencer 100 further include the casing 6 being socketed in the air inlet pipe 3 And the connecting tube 7 being connect with the air inlet pipe 3, wherein described sleeve pipe 6 is equipped with several second apertures 61.The length of described sleeve pipe 6 Degree is less than the length of the air inlet pipe 3, and described sleeve pipe 6 is located at the side of the support plate 5.First aperture 31 is described The length L1 being distributed in air inlet pipe 3 is equal to the length L2 that second aperture 61 is distributed in described sleeve pipe 6.The air inlet pipe 3 are additionally provided with several third apertures 32 positioned at the other side of the support plate 5.
The caliber of the connecting tube 7 is less than the caliber of the air inlet pipe 3.The connecting tube 7 passes through the third baffle 23 With the fourth gear plate 24 to extend into the 5th cavity 50.The connecting tube 7 includes connect with the air inlet pipe 3 One tube body 71 is extended vertically from first tube body 71 and through the second pipe of the third baffle 23 and the fourth gear plate 24 Body 72, the third tube body 73 that first tube body 71 is extended vertically and parallel to from second tube body 72 and from the third The 4th tube body 74 that tube body 73 extends towards the fourth gear plate 24.The third tube body 73 is with second tube body 72 not same In one horizontal plane.In illustrative embodiments of the present invention, the third tube body 73 and the 4th tube body 74 are below institute State the second tube body 72.
First escape pipe 41 passes through the first baffle 21 with the second baffle 22 to extend into first chamber In body 10, first escape pipe 41 is equipped with the first rake 411 being tilted in first cavity 10, first inclination Portion 411 is close to first tube body 71.
Second escape pipe 42 passes through the third baffle 23 with the fourth gear plate 24 to extend into first chamber In body 10, second escape pipe 42 is equipped with the second rake 421 being tilted in first cavity 10, second inclination Portion 421 is also close to first tube body 71.It please join shown in Fig. 6, first escape pipe 41 and second escape pipe 42 are substantially The two sides of the air inlet pipe 3 are symmetrically disposed in, so set, good acoustic efficiency can be reached.
In addition, above embodiments are merely to illustrate the present invention and not limit the technical scheme described by the invention, to this The understanding of specification should be based on person of ordinary skill in the field, although this specification is referring to the above embodiments pair Present invention has been detailed description, still, those skilled in the art should understand 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 (8)

1. a kind of silencer comprising shell, positioned at the intracorporal several baffles of the shell, extend into the intracorporal air inlet of the shell Pipe and the first escape pipe and the second escape pipe, wherein the shell includes upper housing and is welded on one with the upper housing The lower case risen;Several baffles include spaced first baffle, second baffle, third baffle and fourth gear plate, The shell includes the first cavity between the second baffle and the third baffle, is located at the first baffle and institute It states the second cavity between second baffle, the third cavity between the third baffle and the fourth gear plate, be located at institute State the 4th cavity of first baffle side and the 5th cavity positioned at the fourth gear plate other side;It is characterized by: described Air inlet pipe is located in first cavity and the air inlet pipe is equipped with several first apertures;The silencer further includes being socketed in institute The casing in air inlet pipe is stated, wherein described sleeve pipe is equipped with several second apertures;The silencer is additionally provided with to be connected with the air inlet pipe The connecting tube connect, the connecting tube pass through the third baffle and the fourth gear plate to extend into the 5th cavity;Institute The first escape pipe is stated across the first baffle and the second baffle to extend into first cavity, first outlet Pipe is equipped with and is tilted in intracorporal first rake of first chamber, and second escape pipe passes through the third baffle and described the For four baffles to extend into first cavity, second escape pipe, which is equipped with, is tilted in intracorporal second inclination of first chamber Portion;The connecting tube includes the first tube body connecting with the air inlet pipe, extends vertically from first tube body and runs through described Second tube body of third baffle and the fourth gear plate extends vertically and parallel to first tube body from second tube body Third tube body and the 4th tube body extended from the third tube body towards the fourth gear plate;First rake with it is described Second rake is close to first tube body.
2. silencer as described in claim 1, it is characterised in that: the silencer is equipped with and is welded on the second baffle and institute The support plate between third baffle is stated, the support plate is equipped with several perforation being connected to first cavity;Described first opens Hole is located at the side of the support plate, and the air inlet pipe is additionally provided with several third apertures positioned at the other side of the support plate.
3. silencer as claimed in claim 2, it is characterised in that: the length of described sleeve pipe is less than the length of the air inlet pipe, And described sleeve pipe is located at the side of the support plate.
4. silencer as claimed in claim 3, it is characterised in that: the length that first aperture is distributed in the air inlet pipe Degree is equal to the length that second aperture is distributed in described sleeve pipe.
5. silencer as claimed in claim 4, it is characterised in that: the caliber of the connecting tube is less than the pipe of the air inlet pipe Diameter.
6. silencer as claimed in claim 5, it is characterised in that: the third tube body and second tube body be not in same water In plane.
7. silencer as claimed in claim 6, it is characterised in that: the third tube body and the 4th tube body are below institute State the second tube body.
8. silencer as described in claim 1, it is characterised in that: the first baffle, which is equipped with, is connected to second cavity and institute State several first circular holes of the 4th cavity;The second baffle, which is equipped with, is connected to the several of first cavity and second cavity Second circular hole;The third baffle is equipped with several third circular holes for being connected to the third cavity and first cavity;Described The hole of four baffles not set connection the third cavity and the 5th cavity.
CN201610899219.9A 2016-10-14 2016-10-14 Silencer Active CN106368768B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610899219.9A CN106368768B (en) 2016-10-14 2016-10-14 Silencer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610899219.9A CN106368768B (en) 2016-10-14 2016-10-14 Silencer

Publications (2)

Publication Number Publication Date
CN106368768A CN106368768A (en) 2017-02-01
CN106368768B true CN106368768B (en) 2019-03-15

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ID=57896115

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2005114326A (en) * 2005-05-11 2006-11-20 Открытое Акционерное общество "АВТОВАЗ" (RU) MULTI-CAMERA NOISE MUFFLER OF INTERNAL COMBUSTION ENGINE
CN101194089A (en) * 2005-06-08 2008-06-04 排放控制技术德国(奥格斯堡)有限公司 Vehicle muffler
CN201502419U (en) * 2009-09-29 2010-06-09 哈尔滨艾瑞汽车排气系统有限公司 Silencer device for refrigerator car
CN202417653U (en) * 2011-09-21 2012-09-05 芜湖杰锋汽车动力系统有限公司 Silencer for automobile
CN103410586A (en) * 2013-05-27 2013-11-27 安徽江淮汽车股份有限公司 Multifunctional muffler structure
CN205101084U (en) * 2015-10-19 2016-03-23 北京汽车股份有限公司 Car exhaust muffler and car
CN206092114U (en) * 2016-10-14 2017-04-12 上海天纳克排气系统有限公司 Muffler

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4577282B2 (en) * 2006-08-11 2010-11-10 トヨタ自動車株式会社 Engine exhaust device, manufacturing method thereof, muffler and vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2005114326A (en) * 2005-05-11 2006-11-20 Открытое Акционерное общество "АВТОВАЗ" (RU) MULTI-CAMERA NOISE MUFFLER OF INTERNAL COMBUSTION ENGINE
CN101194089A (en) * 2005-06-08 2008-06-04 排放控制技术德国(奥格斯堡)有限公司 Vehicle muffler
CN201502419U (en) * 2009-09-29 2010-06-09 哈尔滨艾瑞汽车排气系统有限公司 Silencer device for refrigerator car
CN202417653U (en) * 2011-09-21 2012-09-05 芜湖杰锋汽车动力系统有限公司 Silencer for automobile
CN103410586A (en) * 2013-05-27 2013-11-27 安徽江淮汽车股份有限公司 Multifunctional muffler structure
CN205101084U (en) * 2015-10-19 2016-03-23 北京汽车股份有限公司 Car exhaust muffler and car
CN206092114U (en) * 2016-10-14 2017-04-12 上海天纳克排气系统有限公司 Muffler

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