CN201173144Y - Automobile exhaust silencer - Google Patents
Automobile exhaust silencer Download PDFInfo
- Publication number
- CN201173144Y CN201173144Y CNU2008200566724U CN200820056672U CN201173144Y CN 201173144 Y CN201173144 Y CN 201173144Y CN U2008200566724 U CNU2008200566724 U CN U2008200566724U CN 200820056672 U CN200820056672 U CN 200820056672U CN 201173144 Y CN201173144 Y CN 201173144Y
- Authority
- CN
- China
- Prior art keywords
- dish
- outlet pipe
- prime
- steam outlet
- rear end
- 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.)
- Expired - Fee Related
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- Exhaust Silencers (AREA)
Abstract
The utility model relates to a vehicle exhaust muffler. The vehicle exhaust muffler comprises a preceding stage muffler and a main muffler, wherein, the preceding stage muffler comprises a first tube body, a first front end cover and a first rear end cover are arranged at the both ends of the first tube body, a preceding stage separating disc, a preceding stage air outlet pipe and a preceding stage air outlet pipe are arranged in the first tube body, silencing holes arranged on the pipe wall of the preceding stage air outlet pipe positioned between the preceding stage separating disc and the first rear end cover, and the main muffler is composed of a second tube body, a second front end cover and a second rear end cover are arranged at the both ends of the second tube body, a first separating disc, a second separating disc, an air intake pipe, a middle pipe and an air outlet pipe are arranged in the second tube body, silencing holes are arranged on the pipe walls of the air intake pipe and the air outlet pipe positioned between the first separating disc and the second separating disc, and the rear end of the preceding stage air outlet pipe is connected with the front end of the air intake pipe. The middle pipe is arranged in the main muffler of the utility model, the exhaust backpressure is reduced, glass fiber yarn is arranged on the outer circumference of the silencing holes of the exhaust pipe, the exhaust backpressure is reduced, and simultaneously the noise is lowered, and the engine power loss is also reduced.
Description
Technical field:
The utility model relates to vehicle, relates in particular to the vent systems of automobile, particularly a kind of automobile exhaust muffler.
Background technique:
During the motor car engine combustion gas, the pressure of waste gas changes rapidly at the exhaust pipe mouth place, produces vibration, and vibration produces noise.In the prior art, install silencing apparatus in the outlet pipe of motor car engine, silencing apparatus is used to consume flowed energy, reduces the pressure surge amplitude of air-flow, can play the effect that reduces noise.But in the silencing apparatus of existing motor car engine, it is big that air communication is crossed resistance, the exhaust back pressure height, and the engine power loss that causes is big, oil consumption increases, and the power performance of automobile is descended.
Summary of the invention:
The purpose of this utility model provides a kind of automobile exhaust muffler, described this automobile exhaust muffler to solve in the prior art inducer be easy to generate cavitation problem, energy loss big, changed the difficult technologies problem behind the cavitation damage.
This automobile exhaust muffler of the present utility model is connected to form by prime silencing apparatus and main muffler, wherein, described prime silencing apparatus is made of one first cylindrical shell, the two ends of described first cylindrical shell are respectively arranged with first front cover and first rear end cover, in described first cylindrical shell, axially be provided with prime every dish perpendicular to it, in described first cylindrical shell, axially be provided with prime suction tude and prime steam outlet pipe along it, the front opening of described prime suction tude is in described first front cover, the open rearward end of described prime steam outlet pipe is in described first rear end cover, the front end of the rear end of described prime suction tude and prime steam outlet pipe is connected in the cavity between dish at described first front cover and prime, be positioned at described prime and be provided with a plurality of sound attenuation holes every the tube wall of the prime steam outlet pipe of the dish and first rear end cover, described main muffler is made of one second cylindrical shell, the two ends of described second cylindrical shell are respectively arranged with one second front cover and second rear end cover, in described second cylindrical shell, axially be provided with one first every dish with second every dish perpendicular to it, in described second cylindrical shell, be parallel to it and axially be provided with suction tude, middle pipe and steam outlet pipe, described suction tude and steam outlet pipe all pass described first every dish with second every dish, described suction tude front opening is in described second front cover, described suction tude open rearward end described second every the dish and described second rear end cover between cavity in, pipe passes described first every dish in described, the front opening of middle pipe is at the cavity of described second front cover and first between dish, in pipe open rearward end described first every the dish and second every the dish between cavity, the front opening of described steam outlet pipe in described first every the dish in, the open rearward end of steam outlet pipe is in described second rear end cover, described first every the dish and second every the dish between suction tude and the tube wall of steam outlet pipe be provided with a plurality of sound attenuation holes, the rear end of described prime steam outlet pipe is connected with the front end of described suction tude.
Further, in described first cylindrical shell, the cavity of described prime between dish and described first rear end cover, be provided with glass fiber.
Further, described first every the dish and second every the dish between the steam outlet pipe periphery and its be provided with housing coaxially.
Further, be provided with glass fiber in the cavity between described housing and described steam outlet pipe.
Further, described prime suction tude and described prime steam outlet pipe are arranged in described first cylindrical shell prejudicially.
Working principle of the present utility model is: the tail gas of motor vehicle emission at first enters the prime silencing apparatus, reduced exhaust back pressure, pipe is with first spatial communication every the dish both sides in main muffler is provided with, reduce exhaust back pressure, further reducing noise, reduce engine power loss, be provided with glass fiber, can strengthen noise reduction at prime silencing apparatus and main muffler.
The utility model and prior art contrast, and its effect is actively with tangible.The utility model is arranged at middle pipe in the main muffler, reduces exhaust back pressure, in the noise elimination hole wall periphery of outlet pipe glass fiber is set, and reduces exhaust back pressure, reduces noise and engine power loss simultaneously.
Description of drawings:
Fig. 1 is the prime acoustic wave filter structure schematic representation in the automobile exhaust muffler of the present utility model.
Fig. 2 is that schematic representation is looked on the left side of automobile exhaust muffler of the present utility model.
Fig. 3 is the main muffler structure schematic representation in the automobile exhaust muffler of the present utility model.
Fig. 4 is the A-A generalized section among Fig. 3.
Embodiment:
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, automobile exhaust muffler of the present utility model is connected to form by prime silencing apparatus 1 and main muffler 2, wherein, described prime silencing apparatus 1 is made of one first cylindrical shell 3, the two ends of described first cylindrical shell 3 are respectively arranged with first front cover 4 and first rear end cover 5, in described first cylindrical shell 3, axially be provided with prime every dish 6 perpendicular to it, in described first cylindrical shell 3, axially be provided with prime suction tude 7 and prime steam outlet pipe 8 along it, the front opening of described prime suction tude 7 is in described first front cover 4, the open rearward end of described prime steam outlet pipe 8 is in described first rear end cover 5, the front end of the rear end of described prime suction tude 7 and prime steam outlet pipe 8 is connected in the cavity between dish 6 at described first front cover 4 and prime, be positioned at described prime and be provided with a plurality of sound attenuation holes 9 every the tube wall of the prime steam outlet pipe 8 of dish 6 and first rear end cover 5, described main muffler 2 is made of one second cylindrical shell 11, the two ends of described second cylindrical shell 11 are respectively arranged with one second front cover 12 and second rear end cover 13, in described second cylindrical shell 11, axially be provided with one first every coiling 14 and second every dish 15 perpendicular to it, in described second cylindrical shell 11, be parallel to it and axially be provided with suction tude 16, middle pipe 17 and steam outlet pipe 18, described suction tude 16 and steam outlet pipe 18 all pass described first every coiling 14 and second every dish 15, described suction tude 16 front openings are in described second front cover 12, described suction tude 16 open rearward end described second every the dish 15 and described second rear end cover 13 between cavity in, pipe 17 passes described first every dish 14 in described, the front opening of middle pipe 17 is at the cavity of described second front cover 12 and first between dish 14, in pipe 17 open rearward end described first every the cavity of dish 14 and second between dish 15, the front opening of described steam outlet pipe 18 in described first every the dish 14 in, the open rearward end of steam outlet pipe 18 is in described second rear end cover 13, described first every dish 14 and second every dish between 15 suction tude 16 and the tube wall of steam outlet pipe 18 be provided with a plurality of sound attenuation holes 19,20, the rear end of described prime steam outlet pipe 8 is connected with the front end of described suction tude 16.
Further, in described first cylindrical shell 3, the cavity of described prime between dish 6 and described first rear end cover 5, be provided with glass fiber 10.
Further, described first every dish 14 and second every dish between 15 steam outlet pipe 18 peripheries and its be provided with housing 21 coaxially.
Further, be provided with glass fiber 22 in the cavity between described housing 21 and described steam outlet pipe 18.
Further, described prime suction tude 7 is arranged in described first cylindrical shell 3 prejudicially with described prime steam outlet pipe 8.
Claims (5)
1. automobile exhaust muffler, connect and compose by prime silencing apparatus and main muffler, it is characterized in that: described prime silencing apparatus is made of one first cylindrical shell, the two ends of described first cylindrical shell are respectively arranged with first front cover and first rear end cover, in first cylindrical shell, axially be provided with prime every dish perpendicular to it, in first cylindrical shell, be parallel to it and axially be provided with prime suction tude and prime steam outlet pipe, the front opening of described prime suction tude is in described first front cover, the open rearward end of prime steam outlet pipe is in described first rear end cover, the front end of the rear end of prime suction tude and prime steam outlet pipe connects in the cavity between dish at first front cover and prime, the tube wall of the prime steam outlet pipe of prime between the dish and first rear end cover is provided with a plurality of sound attenuation holes, described main muffler is made of one second cylindrical shell, the two ends of described second cylindrical shell are respectively arranged with one second front cover and second rear end cover, in described second cylindrical shell, axially be provided with one first every dish with second every dish perpendicular to it, in second cylindrical shell, be parallel to it and axially be provided with suction tude, middle pipe and steam outlet pipe, described suction tude and steam outlet pipe all pass described first every dish with second every dish, the front opening of described suction tude is in described second front cover, the open rearward end of described suction tude second every the dish and second rear end cover between cavity in, pipe passes first every dish in described, the front opening of middle pipe is in the cavity of second front cover and first between dish, in pipe open rearward end in first every the dish and second every the dish between cavity in, the front opening of steam outlet pipe in first every the dish in, the open rearward end of steam outlet pipe is in second rear end cover, be provided with a plurality of sound attenuation holes every dish and second first on the tube wall of suction tude between the dish and steam outlet pipe, the rear end of described prime steam outlet pipe is connected with the front end of described suction tude.
2. automobile exhaust muffler as claimed in claim 1 is characterized in that: be provided with glass fiber in described first cylindrical shell, the cavity of described prime between dish and described first rear end cover.
3. automobile exhaust muffler as claimed in claim 1 is characterized in that: described first every the dish and second every the dish between the steam outlet pipe periphery and its be provided with housing coaxially.
4. automobile exhaust muffler as claimed in claim 1 is characterized in that: be provided with glass fiber in the cavity between described housing and described steam outlet pipe.
5. automobile exhaust muffler as claimed in claim 1 is characterized in that: described prime suction tude and described prime steam outlet pipe are arranged in described first cylindrical shell prejudicially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200566724U CN201173144Y (en) | 2008-03-27 | 2008-03-27 | Automobile exhaust silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200566724U CN201173144Y (en) | 2008-03-27 | 2008-03-27 | Automobile exhaust silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201173144Y true CN201173144Y (en) | 2008-12-31 |
Family
ID=40200260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200566724U Expired - Fee Related CN201173144Y (en) | 2008-03-27 | 2008-03-27 | Automobile exhaust silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201173144Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400759A (en) * | 2010-09-07 | 2012-04-04 | 现代自动车株式会社 | Muffler for vehicle |
-
2008
- 2008-03-27 CN CNU2008200566724U patent/CN201173144Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400759A (en) * | 2010-09-07 | 2012-04-04 | 现代自动车株式会社 | Muffler for vehicle |
| CN102400759B (en) * | 2010-09-07 | 2015-11-25 | 现代自动车株式会社 | For the silencing apparatus of vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HONG HU SILENCER PLANT Free format text: FORMER OWNER: SHANGHAI HONG HU AUTOMOTIVE EXHAUST SYSTEM ENGINEERING TECHNOLOGY CO., LTD. Effective date: 20100519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201805 NO.988, HEJING ROAD, ANTING TOWN, JIADING DISTRICT, SHANGHAI CITY TO: 201805 NO.1200, HEJING ROAD, ANTING TOWN, JIADING DISTRICT, SHANGHAI CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100519 Address after: 201805, Anting Town, Shanghai, Jiading District and 1200 quiet road Patentee after: Honghu Muffler Factory, Shanghai Address before: 201805, Anting Town, Shanghai, Jiading District and 988 quiet road Patentee before: Shanghai Honghu Automotive Exhaust System Engineering Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20170327 |