CN109339921B - Automobile exhaust muffler - Google Patents
Automobile exhaust muffler Download PDFInfo
- Publication number
- CN109339921B CN109339921B CN201811364775.1A CN201811364775A CN109339921B CN 109339921 B CN109339921 B CN 109339921B CN 201811364775 A CN201811364775 A CN 201811364775A CN 109339921 B CN109339921 B CN 109339921B
- Authority
- CN
- China
- Prior art keywords
- bin
- pipe
- back pressure
- elbow
- cyclone
- 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
Links
- 230000030279 gene silencing Effects 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 230000008030 elimination Effects 0.000 abstract description 9
- 238000003379 elimination reaction Methods 0.000 abstract description 9
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses an automobile exhaust muffler, which comprises a shell, wherein a baffle divides the inner cavity of the shell into a first cyclone bin, a back pressure bin, a second cyclone bin, a noise elimination bin and a third cyclone bin, one end of an air inlet pipe is positioned outside the shell, the other end of the air inlet pipe is positioned in the back pressure bin, one end of a back pressure pipe is positioned in the back pressure bin, the other end of the back pressure pipe penetrates through the second cyclone bin and is positioned in the noise elimination bin, one end of a first elbow pipe is positioned in the noise elimination bin, the other end of the first elbow pipe is positioned in the third cyclone bin, one end of the second elbow pipe penetrates through the noise elimination bin and is positioned in the second cyclone bin, one end of the third elbow pipe penetrates through the back pressure bin and is positioned in the first cyclone bin, and an exhaust pipe penetrating through the shell is arranged in the shell. The exhaust gas enters the back pressure bin for back pressure silencing, is damped and silenced through the silencing bin filled with the metal net, and is rotated in the bin for silencing through the three cyclone bins in sequence, so that the noise is greatly reduced when the gas is exhausted.
Description
Technical field:
the invention relates to an automobile accessory, in particular to an automobile exhaust muffler.
The background technology is as follows:
An exhaust pipe is part of an engine exhaust system that basically includes an exhaust manifold, an exhaust pipe, and a muffler, and a three-way catalyst, typically for controlling the emission of engine pollutants, is also installed in the exhaust system, and the exhaust pipe generally includes a front exhaust pipe and a rear exhaust pipe. In the prior art, the noise of the automobile is overlarge, and although a plurality of silencing exhaust pipes exist in the prior art, the silencing effect is still not good enough, and the spirit of the automobile exhaust pipe is continuously improved, so that continuous improvement and innovation are required.
The invention comprises the following steps:
the invention aims to make up the defects of the prior art and provides an automobile exhaust muffler with good noise elimination effect.
The invention is realized by the following technical scheme:
The utility model provides an automobile exhaust silencer, includes casing, baffle, intake pipe, back pressure pipe, first elbow pipe, second elbow pipe, third elbow pipe and blast pipe, its characterized in that: the inner cavity of the shell is divided into a first cyclone bin, a back pressure bin, a second cyclone bin, a silencing bin and a third cyclone bin by the partition plates, a transverse air inlet pipe is arranged in the first cyclone bin, one end of the air inlet pipe is positioned outside the shell, the other end of the air inlet pipe is positioned in the back pressure bin, one end of the back pressure pipe is positioned in the back pressure bin, the other end of the back pressure pipe penetrates through the second cyclone bin, one end of the first elbow pipe is positioned in the silencing bin, the other end of the first elbow pipe is an elbow and positioned in the third cyclone bin, one end of the second elbow pipe is positioned in the third cyclone bin, the other end of the second elbow pipe penetrates through the silencing bin and is an elbow, one end of the third elbow pipe is positioned in the second cyclone bin, the other end of the third elbow pipe penetrates through the back pressure bin and is positioned in the first cyclone bin, the other end of the third elbow pipe is an exhaust pipe which penetrates through the shell, and the air inlet end of the exhaust pipe penetrates through the back pressure bin, the second cyclone bin and the third cyclone bin sequentially extends out of the shell.
The air inlet pipe, the back pressure pipe and the first elbow pipe are all positioned in the middle of the shell and correspond to each other, the second elbow pipe and the third elbow pipe are both positioned at the upper end part of the shell, and the exhaust pipe is positioned at the lower end part of the shell.
The back pressure pipe is located one end of the back pressure bin and is provided with a back pressure head, and the side walls of the two ends of the back pressure pipe are respectively provided with an opening.
The pressure return head is of a hat shape, and the section of the pressure return head is arc-shaped.
The silencing bin is internally provided with a metal net.
The invention has the advantages that:
the invention directly exhausts air through the air inlet pipe to enter the back pressure bin for back pressure silencing, then the silencing bin filled with metal mesh is used for damping and silencing, and the three cyclone bins are used for rotating and silencing the exhaust gas in the bin in sequence, so that the noise is reduced with great effect when the gas is exhausted, and the invention has popularization and application values.
Description of the drawings:
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-shell, 2-baffle, 3-first whirlwind storehouse, 4-back pressure storehouse, 5-second whirlwind storehouse, 6-noise elimination storehouse, 7-third whirlwind storehouse, 8-intake pipe, 9-back pressure pipe, 10-back pressure head, 11-first elbow pipe, 12-second elbow pipe, 13-third elbow pipe, 14-metal mesh, 15-blast pipe.
The specific embodiment is as follows:
see the drawings.
The utility model provides an automobile exhaust silencer, includes casing 1, baffle 2, intake pipe 8, back pressure pipe 9, first elbow pipe 11, second elbow pipe 12, third elbow pipe 13 and blast pipe 15, the baffle 2 that the interval set up is distributed to casing 1 interior, baffle 2 divide into first whirlwind storehouse 3, back pressure storehouse 4, second whirlwind storehouse 5, noise elimination storehouse 6 and third whirlwind storehouse 7 with casing 1 inner chamber, be equipped with the intake pipe 15 that a cross in the first whirlwind storehouse 3, the one end of intake pipe 15 is located casing 1 is outside, and the other end is located back pressure storehouse 4, the one end of back pressure pipe 9 is located back pressure storehouse 4, and the other end passes second whirlwind storehouse 5 and is located noise elimination storehouse 6, the one end of first elbow pipe 11 is located noise elimination storehouse 6, and the other end is located third whirlwind storehouse 7, the one end of second elbow pipe 12 is located third whirlwind storehouse 7, and its tip is elbow pipe 13 one end is located back pressure storehouse 5, the one end is located back pressure storehouse 4, the other end is located back pressure storehouse 4, the one end is located back pressure storehouse 4, the blast pipe is located back pressure storehouse 4, the other end is located back pressure storehouse 6, the one end is located back pressure storehouse 4, the one end is located back pressure storehouse 5, the one end is located back pressure storehouse 6, the third whirlwind storehouse 7, the one end is located back pressure storehouse 7.
The air inlet pipe 8, the back pressure pipe 9 and the first elbow pipe 11 are all positioned in the middle of the shell 1 and correspond to each other, the second elbow pipe 12 and the third elbow pipe 13 are all positioned at the upper end part of the shell 1, and the air outlet pipe 15 is positioned at the lower end part of the shell 1.
The back pressure pipe 9 is provided with a back pressure head 10 at one end of the back pressure bin 4, and holes are respectively arranged on the side walls of the two ends of the back pressure pipe 9.
The back pressure head 10 is of a hat shape, and the cross section of the back pressure head is circular arc.
And a metal net is arranged in the silencing bin 6.
The working process is as follows: automobile exhaust is directly discharged into the back pressure bin 4 through the air inlet pipe 8, back pressure silencing is carried out through the back pressure bin 4, then the automobile exhaust enters into the silencing bin 6 through the back pressure pipe 9, the silencing bin filled with metal mesh 14 is filled in the silencing bin 6 to be damped and silencing, then the automobile exhaust enters into the third cyclone bin 7 through the first elbow pipe 11, then enters into the second cyclone bin 5 through the second elbow pipe 12, enters into the first cyclone bin 3 through the third elbow pipe 13, and rotary silencing is carried out in the three cyclone bins, so that noise is greatly reduced when gas is exhausted, and finally the automobile exhaust is exhausted through the exhaust pipe 15.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The working method of the automobile exhaust muffler comprises a shell, a partition plate, an air inlet pipe, a back pressure pipe, a first elbow pipe, a second elbow pipe, a third elbow pipe and an exhaust pipe, and is characterized in that: the inner cavity of the shell is divided into a first cyclone bin, a back pressure bin, a second cyclone bin, a silencing bin and a third cyclone bin in sequence by the partition plate, a transverse air inlet pipe is arranged in the first cyclone bin, one end of the air inlet pipe is positioned outside the shell, the other end of the air inlet pipe is positioned in the back pressure bin, one end of the back pressure pipe is positioned in the silencing bin, the other end of the back pressure pipe penetrates through the second cyclone bin, one end of the first elbow pipe is positioned in the silencing bin, the other end of the first elbow pipe is an elbow and positioned in the third cyclone bin, one end of the second elbow pipe is positioned in the third cyclone bin, the other end of the third elbow pipe penetrates through the silencing bin and is an elbow, one end of the third elbow pipe is positioned in the second cyclone bin, the other end of the third elbow pipe penetrates through the back pressure bin and the third cyclone bin, the other end of the third elbow pipe is an elbow, an exhaust pipe is arranged in the shell, the air inlet end of the exhaust pipe penetrates through the shell is positioned in the first cyclone bin, and the other end of the exhaust pipe penetrates through the back pressure bin, the second cyclone bin and the third cyclone bin and stretches out of the shell;
The air inlet pipe, the back pressure pipe and the first elbow pipe are all positioned in the middle part in the shell and correspond to each other, the second elbow pipe and the third elbow pipe are all positioned at the upper end part in the shell, and the exhaust pipe is positioned at the lower end part in the shell;
The end part of the back pressure pipe, which is positioned at one end of the back pressure bin, is provided with a back pressure head, and the side walls of the two end parts of the back pressure pipe are respectively provided with an opening;
The pressure return head is cap-shaped, and the section of the pressure return head is arc-shaped;
a metal net is arranged in the silencing bin;
The working method comprises the following steps: automobile exhaust is directly discharged into the back pressure bin through the air inlet pipe, back pressure silencing is carried out through the back pressure bin, then the automobile exhaust enters into the silencing bin through the back pressure pipe, damping silencing is carried out through the silencing bin filled with metal mesh in the silencing bin, then the automobile exhaust enters into the third cyclone bin through the first elbow pipe, then enters into the second cyclone bin through the second elbow pipe, enters into the first cyclone bin through the third elbow pipe, rotary silencing is carried out in the three cyclone bins, and finally the automobile exhaust is discharged through the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364775.1A CN109339921B (en) | 2018-11-16 | 2018-11-16 | Automobile exhaust muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811364775.1A CN109339921B (en) | 2018-11-16 | 2018-11-16 | Automobile exhaust muffler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109339921A CN109339921A (en) | 2019-02-15 |
| CN109339921B true CN109339921B (en) | 2024-09-03 |
Family
ID=65315721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811364775.1A Active CN109339921B (en) | 2018-11-16 | 2018-11-16 | Automobile exhaust muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109339921B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573364A (en) * | 2012-08-10 | 2014-02-12 | 现代自动车株式会社 | Muffler for vehicle |
| CN204877593U (en) * | 2015-07-23 | 2015-12-16 | 邓厚才 | It outes circular amortization of single tail drum singly to flow back while advancing |
| CN108087089A (en) * | 2016-11-23 | 2018-05-29 | 青岛鼎和精铸有限公司 | Automobile silencing exhaust pipe |
| CN209244646U (en) * | 2018-11-16 | 2019-08-13 | 蚌埠学院 | A kind of automobile exhaust muffler |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201474752U (en) * | 2009-08-05 | 2010-05-19 | 吴学凯 | Energy-saving reinforcement type silencer |
| CN106014540B (en) * | 2016-05-31 | 2018-10-26 | 芜湖卓越空调零部件有限公司 | A kind of Rotary Muffler for Engine |
-
2018
- 2018-11-16 CN CN201811364775.1A patent/CN109339921B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573364A (en) * | 2012-08-10 | 2014-02-12 | 现代自动车株式会社 | Muffler for vehicle |
| CN204877593U (en) * | 2015-07-23 | 2015-12-16 | 邓厚才 | It outes circular amortization of single tail drum singly to flow back while advancing |
| CN108087089A (en) * | 2016-11-23 | 2018-05-29 | 青岛鼎和精铸有限公司 | Automobile silencing exhaust pipe |
| CN209244646U (en) * | 2018-11-16 | 2019-08-13 | 蚌埠学院 | A kind of automobile exhaust muffler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109339921A (en) | 2019-02-15 |
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