CN109519254A - A kind of automobile exhaust muffler - Google Patents
A kind of automobile exhaust muffler Download PDFInfo
- Publication number
- CN109519254A CN109519254A CN201811357155.5A CN201811357155A CN109519254A CN 109519254 A CN109519254 A CN 109519254A CN 201811357155 A CN201811357155 A CN 201811357155A CN 109519254 A CN109519254 A CN 109519254A
- Authority
- CN
- China
- Prior art keywords
- pipe
- muffler shell
- air inlet
- bellows
- muffler
- 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.)
- Pending
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
- F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
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 discloses a kind of automobile exhaust mufflers, belong to mobile muffler technical field, the automobile exhaust muffler includes air inlet pipe, muffler shell and escape pipe, and the air inlet pipe is mounted on the top of muffler shell, and the escape pipe is mounted on the bottom of muffler shell；Air inlet is provided at the top of the muffler shell, the air inlet is connected to outside muffler shell with air inlet pipe, and the bottom of muffler shell is provided with gas outlet, and described gas outlet is connected to outside muffler shell with escape pipe；The outer surface of the air inlet pipe and an air outlet pipe is enclosed with the first silencing cotton, and the outer surface of the muffler shell is enclosed with the second silencing cotton；It is silencing cavity inside the muffler shell；First silencing cotton is used to carry out air inlet pipe and an air outlet pipe noise reduction, and the second silencing cotton is used to carry out noise reduction to muffler shell；The present invention passes through multistage noise reduction design, has good erasure effect, has broad application prospects in mobile muffler technical field.
Description
Technical field
The present invention relates to mobile muffler technical field, specifically a kind of automobile exhaust muffler.
Background technique
The exhaust silencer of automobile is the chief component of driving noise.Pole of the countries in the world to the noise of various vehicles
Limit value has stringent regulation, and exhaust silencer is exactly such a device to reduce exhaust noise and life；Reduce engine
Exhaust noise, and high-temp waste gas is enable safely and effectively to be discharged.The a part of silencer as exhaust pipe, should ensure that its row
Gas is unimpeded, resistance is small and sufficient intensity.Silencer will be subjected to 500 DEG C ~ 700 DEG C high-temperature exhaust airs, guarantee the traveling in automotive regulations
It in mileage, do not damage, lose noise elimination effect.
Vehicle exhaust muffler effect in the prior art is bad, without multistage noise reduction, can not veritably reach the mesh of noise reduction
, therefore, the present invention provides a kind of automobile exhaust muffler.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile exhaust mufflers, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of automobile exhaust muffler, including air inlet pipe, muffler shell and escape pipe, the air inlet pipe are mounted on muffler shell
The top of body, the escape pipe are mounted on the bottom of muffler shell；Air inlet, institute are provided at the top of the muffler shell
It states air inlet to be connected to outside muffler shell with air inlet pipe, the bottom of muffler shell is provided with gas outlet, described gas outlet
It is connected to outside muffler shell with escape pipe；The outer surface of the air inlet pipe and an air outlet pipe is enclosed with the first silencing cotton, institute
The outer surface for stating muffler shell is enclosed with the second silencing cotton；It is silencing cavity inside the muffler shell；First silencing cotton is used
In carrying out noise reduction to air inlet pipe and an air outlet pipe, the second silencing cotton is used to carry out noise reduction to muffler shell.
As a further solution of the present invention: being provided with bellows, bend pipe, active carbon in the silencing cavity and place cabin and work
Property charcoal adsorption layer；The bellows is divided into bellows and lower bellows, and the activated carbon adsorption layer setting is placed in active carbon
Inside cabin, the upper bellows is arranged above bend pipe, and the bend pipe setting is placed above cabin in active carbon, and the active carbon is put
Cabin is set to be arranged above lower bellows.
As a further solution of the present invention: the upper ripple tube top portion connects inside muffler shell with air inlet bottom
Logical, upper ripple bottom of the tube is provided with bellows outlet, and the bellows outlet is connected to bend pipe top, and the bend pipe is steel pipe
It is entwined, bend pipe bottom end is provided with winding pipe exit, and the winding pipe exit is placed cabin top with active carbon and is connected to.
As a further solution of the present invention: bellows import, the bellows are provided at the top of the lower bellows
Import is placed cabin lower part with active carbon and is connected to；The bottom of lower bellows is connected to inside muffler shell with gas outlet；Upper ripple
The effect of pipe and lower bellows is for noise reduction.
As a further solution of the present invention: including third silencing cotton on the outer surface of the bend pipe；Third silencing cotton
For carrying out noise reduction to bend pipe.
As a further solution of the present invention: the bottom end of the escape pipe is additionally provided with hood, the hood top
It is provided with connector, hood is connected to by connector with escape pipe.
As a further solution of the present invention: evenly distributed multiple air holes on the hood, the air hole
Effect is for breathing freely；Hood plays the role of further noise reduction.
A kind of automobile exhaust system including automobile exhaust muffler described above.
Compared with prior art, the beneficial effects of the present invention are:
A kind of automobile exhaust muffler of the present invention, including air inlet pipe, muffler shell and escape pipe, the air inlet pipe, which is mounted on, to disappear
The top of sound device shell, the escape pipe are mounted on the bottom of muffler shell；Be provided at the top of the muffler shell into
Port, the air inlet are connected to outside muffler shell with air inlet pipe, and the bottom of muffler shell is provided with gas outlet, described
Gas outlet is connected to outside muffler shell with escape pipe；The outer surface of the air inlet pipe and an air outlet pipe is enclosed with the first noise reduction
Cotton, the outer surface of the muffler shell are enclosed with the second silencing cotton；It is silencing cavity inside the muffler shell；First noise reduction
Cotton is used to carry out air inlet pipe and an air outlet pipe noise reduction, and the second silencing cotton is used to carry out noise reduction to muffler shell；The present invention passes through
Multistage noise reduction design, has good erasure effect, has broad application prospects in mobile muffler technical field.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of hood in the present invention.
Fig. 3 is the internal sectional structure schematic diagram of muffler shell in the present invention.
Fig. 4 is the cross-sectional structure schematic diagram of bend pipe in the present invention.
In figure: 1- air inlet pipe, the first silencing cotton of 2-, 3- muffler shell, 4- air inlet, the second silencing cotton of 5-, 6- outlet
Pipe, 7- hood, 8- air hole, 9- connector, 10- silencing cavity, the gas outlet 11-, the outlet of 12- bellows, the upper bellows of 13-,
Bellows, the import of 17- bellows, 18- active carbon place cabin, 19- activated carbon adsorption under 14- bend pipe, 15- winding pipe exit, 16-
Layer, 20- third silencing cotton.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of automobile exhaust muffler, including air inlet pipe 1,3 and of muffler shell
Escape pipe 6, the air inlet pipe 1 are mounted on the top of muffler shell 3, and the escape pipe 6 is mounted on the bottom of muffler shell 3
Portion；The top of the muffler shell 3 is provided with air inlet 4, and the air inlet 4 connects in 3 outside of muffler shell with air inlet pipe 1
Logical, the bottom of muffler shell 3 is provided with gas outlet 11, and described gas outlet 11 connects in 3 outside of muffler shell with escape pipe 6
It is logical；The outer surface of the air inlet pipe 1 and escape pipe 6 is enclosed with the first silencing cotton 2, the appearance bread of the muffler shell 3
It is wrapped with the second silencing cotton 5；It is silencing cavity 10 inside the muffler shell 3；First silencing cotton 2 is used for air inlet pipe 1 and outlet
Pipe 6 carries out noise reduction, and the second silencing cotton 5 is used to carry out noise reduction to muffler shell 3.
In the embodiment of the present invention, it is provided with bellows, bend pipe 14, active carbon in the silencing cavity 10 and places cabin 18 and activity
Charcoal adsorption layer 19；The bellows is divided into bellows 13 and lower bellows 16, and the activated carbon adsorption layer 19 is arranged in activity
Charcoal is placed inside cabin 18, and the upper bellows 13 is arranged above bend pipe 14, and the setting of bend pipe 14 places cabin 18 in active carbon
Top, the active carbon are placed cabin 18 and are arranged above lower bellows 16.
In the embodiment of the present invention, upper 13 top of bellows is connected to inside muffler shell 3 with 4 bottom of air inlet,
Upper 13 bottom of bellows is provided with bellows outlet 12, and the bellows outlet 12 is connected to 14 top of bend pipe, the bend pipe 14
It is entwined for steel pipe, 14 bottom end of bend pipe is provided with winding pipe exit 15, and the winding pipe exit 15 is placed on cabin 18 with active carbon
Portion's connection.
In the embodiment of the present invention, the top of the lower bellows 16 is provided with bellows import 17, the bellows import
17, which place 18 lower part of cabin with active carbon, is connected to；The bottom of lower bellows 16 is connected to inside muffler shell 3 with gas outlet 11；On
The effect of bellows 13 and lower bellows 16 is for noise reduction.
It include third silencing cotton 20 on the outer surface of the bend pipe 14 in the embodiment of the present invention；Third silencing cotton 20 is used
In to the progress noise reduction of bend pipe 14.
In the embodiment of the present invention, the bottom end of the escape pipe 6 is additionally provided with hood 7, and 7 top of hood is provided with
Connector 9, hood 7 are connected to by connector 9 with escape pipe 6.
In the embodiment of the present invention, evenly distributed multiple air holes 8, the effect of the air hole 8 are on the hood 7
For breathing freely；Hood 7 plays the role of further noise reduction.
Embodiment two
In the embodiment of the present invention, a kind of automobile exhaust system including automobile exhaust muffler is provided；The automobile exhaust disappears
The structure of sound device is identical as structure described in embodiment one.
It should be further noted that the operation principle of the present invention is that:
When exhaust gas enters muffler shell 3 from air inlet pipe 1, pass through the preliminary noise reduction of the first silencing cotton 2 of 1 outer surface of air inlet pipe；Into
After entering muffler shell 3, further noise reduction is realized in upper bellows 13；When into bend pipe 14, pass through the curved of bend pipe 14 itself
The further noise reduction of third silencing cotton 20 of 14 outer surface of bent structure and bend pipe；When placing cabin 18 into active carbon, pass through active carbon
It places the activated carbon adsorption layer 19 inside cabin 18 and filters out pernicious gas；Further noise reduction is carried out when entering lower bellows 16；
When being then discharged by escape pipe 11, by the further noise reduction of the first silencing cotton 2 for being wrapped in 11 outer surface of escape pipe；Finally pass through
Further noise reduction when being discharged of hood 7.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of automobile exhaust muffler, including air inlet pipe (1), muffler shell (3) and escape pipe (6), the air inlet pipe (1)
It is mounted on the top of muffler shell (3), the escape pipe (6) is mounted on the bottom of muffler shell (3)；It is characterized in that,
It is provided with air inlet (4) at the top of the muffler shell (3), the air inlet (4) is in muffler shell (3) outside and air inlet
Manage (1) connection, the bottom of muffler shell (3) is provided with gas outlet (11), described gas outlet (11) muffler shell (3) outside
Portion is connected to escape pipe (6)；The outer surface of the air inlet pipe (1) and escape pipe (6) is enclosed with the first silencing cotton (2), described
The outer surface of muffler shell (3) is enclosed with the second silencing cotton (5)；It is inside the muffler shell (3) silencing cavity (10).
2. automobile exhaust muffler according to claim 1, which is characterized in that be provided with ripple in the silencing cavity (10)
Pipe, bend pipe (14), active carbon place cabin (18) and activated carbon adsorption layer (19)；The bellows be divided into bellows (13) and under
Bellows (16), activated carbon adsorption layer (19) setting place cabin (18) inside in active carbon, and the upper bellows (13) sets
It sets above bend pipe (14), bend pipe (14) setting is placed above cabin (18) in active carbon, and the active carbon places cabin (18)
Setting is above lower bellows (16).
3. automobile exhaust muffler according to claim 2, which is characterized in that upper bellows (13) top and air inlet
Mouth (4) bottom is connected to inside muffler shell (3), and upper bellows (13) bottom is provided with bellows outlet (12), the wave
Line pipe outlet (12) is connected to bend pipe (14) top, and the bend pipe (14) is that steel pipe is entwined, the setting of bend pipe (14) bottom end
Have winding pipe exit (15), the winding pipe exit (15) is placed cabin (18) top with active carbon and is connected to.
4. automobile exhaust muffler according to claim 2, which is characterized in that the top of the lower bellows (16) is arranged
Have bellows import (17), the bellows import (17) is placed cabin (18) lower part with active carbon and is connected to；Lower bellows (16)
Bottom is connected to inside muffler shell (3) with gas outlet (11).
5. automobile exhaust muffler according to claim 3, which is characterized in that include on the outer surface of the bend pipe (14)
There are third silencing cotton (20).
6. automobile exhaust muffler according to claim 1, which is characterized in that the bottom end of the escape pipe (6) is also set up
Have hood (7), hood (7) top is provided with connector (9), and hood (7) passes through connector (9) and escape pipe
(6) it is connected to.
7. automobile exhaust muffler according to claim 6, which is characterized in that evenly distributed on the hood (7)
Multiple air holes (8).
8. a kind of automobile exhaust system including automobile exhaust muffler as claimed in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357155.5A CN109519254A (en) | 2018-11-15 | 2018-11-15 | A kind of automobile exhaust muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811357155.5A CN109519254A (en) | 2018-11-15 | 2018-11-15 | A kind of automobile exhaust muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109519254A true CN109519254A (en) | 2019-03-26 |
Family
ID=65777887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811357155.5A Pending CN109519254A (en) | 2018-11-15 | 2018-11-15 | A kind of automobile exhaust muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847118A (en) * | 2021-09-10 | 2021-12-28 | 浙江吉利控股集团有限公司 | System and method for actively sounding exhaust silencer assembly |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1407772A (en) * | 1972-05-31 | 1975-09-24 | Nissan Motor | Internal combustion engine with a catalytic exhaust converter |
| CN2474731Y (en) * | 2001-03-13 | 2002-01-30 | 史晓辉 | Corrugated pipe suction resistance sound eliminator |
| CN105370348A (en) * | 2015-11-27 | 2016-03-02 | 重庆焱津环保科技有限公司 | Activated carbon desorption system for automobile exhaust gas treatment |
| CN106285835A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe deafener |
| CN106351721A (en) * | 2016-09-27 | 2017-01-25 | 天津市神驰汽车零部件有限公司 | Automobile exhaust pipe purification muffler |
| CN207195010U (en) * | 2017-09-21 | 2018-04-06 | 重庆海特汽车排气系统有限公司 | A kind of automobile exhaust muffler |
| CN108071463A (en) * | 2016-11-18 | 2018-05-25 | 镇江振安汽配有限公司 | A kind of mobile muffler with purification function |
-
2018
- 2018-11-15 CN CN201811357155.5A patent/CN109519254A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1407772A (en) * | 1972-05-31 | 1975-09-24 | Nissan Motor | Internal combustion engine with a catalytic exhaust converter |
| CN2474731Y (en) * | 2001-03-13 | 2002-01-30 | 史晓辉 | Corrugated pipe suction resistance sound eliminator |
| CN105370348A (en) * | 2015-11-27 | 2016-03-02 | 重庆焱津环保科技有限公司 | Activated carbon desorption system for automobile exhaust gas treatment |
| CN106285835A (en) * | 2016-08-31 | 2017-01-04 | 芜湖恒耀汽车零部件有限公司 | Automobile exhaust pipe deafener |
| CN106351721A (en) * | 2016-09-27 | 2017-01-25 | 天津市神驰汽车零部件有限公司 | Automobile exhaust pipe purification muffler |
| CN108071463A (en) * | 2016-11-18 | 2018-05-25 | 镇江振安汽配有限公司 | A kind of mobile muffler with purification function |
| CN207195010U (en) * | 2017-09-21 | 2018-04-06 | 重庆海特汽车排气系统有限公司 | A kind of automobile exhaust muffler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847118A (en) * | 2021-09-10 | 2021-12-28 | 浙江吉利控股集团有限公司 | System and method for actively sounding exhaust silencer assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |
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| RJ01 | Rejection of invention patent application after publication |