CN207363735U - A kind of main muffler of automobile exhaust pipe - Google Patents
A kind of main muffler of automobile exhaust pipe Download PDFInfo
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- CN207363735U CN207363735U CN201721315596.XU CN201721315596U CN207363735U CN 207363735 U CN207363735 U CN 207363735U CN 201721315596 U CN201721315596 U CN 201721315596U CN 207363735 U CN207363735 U CN 207363735U
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- expansion cavity
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- muffler
- webmaster
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Abstract
It the utility model is related to a kind of main muffler of automobile exhaust pipe, including muffler cylinder closed at both ends, the inner cavity of the muffler cylinder is divided into resonant cavity along its length, level-one expansion cavity, level Four expansion cavity, three-level expansion cavity and two level expansion cavity, the side wall of the level-one expansion cavity is provided with air inlet, and level-one expansion cavity through webmaster in the first of level Four expansion cavity and three-level expansion cavity with two level expansion cavity through being connected, be provided through three-level expansion cavity in the two level expansion cavity and stretch into level Four expansion cavity second in webmaster, the upper section side wall in three-level expansion cavity of webmaster is provided with venthole in described second, it is provided with the level Four expansion cavity and is pierced by the silencing and damping assembly that muffler barrel end is connected with gas outlet, the insertion tube for penetrating resonant cavity is additionally provided with the level-one expansion cavity.The main muffler of the automobile exhaust pipe is not only compact-sized, but also makes full use of space, and effect of vibration and noise reduction is good.
Description
Technical field
It the utility model is related to a kind of main muffler of automobile exhaust pipe.
Background technology
Exhaust system is essential part on vehicle, and main muffler as in exhaust system to output gas vibration damping
The vital effect of noise reduction serves.Existing main muffler is not only simple in structure, and vibration and noise reducing chamber is few, without adequate cause
The space of muffler cylinder, and discharge and power loss are big, and durability and assembling are poor, cause the tonequality of exhaust poor.For
This needs a kind of main muffler of new automobile exhaust pipe and forming method.
The content of the invention
It is not only compact-sized the purpose of this utility model is to provide a kind of main muffler of automobile exhaust pipe, but also
Space is made full use of, effect of vibration and noise reduction is good.
The technical solution of the utility model is：A kind of main muffler of automobile exhaust pipe, including muffler closed at both ends
Cylinder, the inner cavity of the muffler cylinder are divided into resonant cavity, level-one expansion cavity, level Four expansion cavity, three-level and expand along its length
Chamber and two level expansion cavity are opened, the side wall of the level-one expansion cavity is provided with air inlet, and level-one expansion cavity is passed through and expanded through level Four
Webmaster is connected with two level expansion cavity in the first of chamber and three-level expansion cavity, and three-level expansion is provided through in the two level expansion cavity
Chamber and stretch into level Four expansion cavity second in webmaster, the upper section side wall in three-level expansion cavity of webmaster is set in described second
There is venthole, be provided with that to be pierced by the silencing and damping that muffler barrel end is connected with gas outlet total in the level Four expansion cavity
Into being additionally provided with the insertion tube for penetrating resonant cavity on the level-one expansion cavity.
Further, the both ends of the muffler cylinder are respectively arranged with capping, and the inner cavity of muffler cylinder is along length side
To through first, second, third and the 4th demarcation strip be divided into successively resonant cavity, level-one expansion cavity, level Four expansion cavity, three-level expand
Chamber and two level expansion cavity, are respectively arranged with venthole on first demarcation strip and the 3rd demarcation strip.
Further, webmaster is located on the end of two level expansion cavity and is provided with pressure release valve assembly in described first, and described
Webmaster stretches into the section side wall of level Four expansion cavity and is provided with venthole in two.
Further, it is provided with the level Four expansion cavity and sequentially passes through three-level expansion cavity, two level expansion cavity with being arranged at
The first silencing and damping assembly that the gas outlet of muffler cylinder one end is connected, and be provided with sequentially pass through level-one expansion cavity,
The second silencing and damping assembly that resonant cavity is connected with being arranged at the gas outlet of the muffler cylinder other end.
Further, the first, second silencing and damping assembly is located in level Four expansion cavity and another including inlet end respectively
One end be connected with gas outlet the 3rd in webmaster, the stage casing side wall of webmaster is evenly equipped with venthole and is enclosed with outer in the described 3rd
Casing, is filled with mineral wool in the outer tube and the 3rd between webmaster.
Further, the end sidewalls that webmaster is located in level Four expansion cavity in two the 3rd are respectively arranged with venthole.
Further, muffler leading portion pipe is connected with the air inlet, muffler endpiece is connected with the gas outlet
Pipe, the two side ends of the muffler cylinder are also respectively provided with the suspender being connected with car body.
Compared with prior art, the present invention has the following advantages：The main muffler of the automobile exhaust pipe is not only compact-sized,
And space is made full use of, effect of vibration and noise reduction is good, while can also eliminate harmful substance, and it is small that discharge sets power loss, durable
Property it is high, service life improves；Forming method is easy at the same time, and assembling is good.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the sectional view of the main muffler cylinder of the present invention；
Fig. 4 is the structure diagram of the first demarcation strip of the present invention；
Fig. 5 is the structure diagram of the second demarcation strip of the present invention；
Fig. 6 is the structure diagram of the 3rd demarcation strip of the present invention；
Fig. 7 is the structure diagram of the 4th demarcation strip of the present invention；
In figure：10- muffler cylinder 11- resonant cavity 12- level-one expansion cavity 13- level Four expansion cavity 14- three-levels are expanded
Webmaster 21- pressure releases in chamber 15- two level expansion cavity 16- air inlets 17- capping 18- reinforcing plate 19- gas outlet 20- first
Webmaster 31- ventholes 32- ventholes 33- distances 41- the first silencing and damping assemblies 42- second in valve assembly 30- second
Webmaster 44- outer tubes 45- mineral wools 46- venthole 47- spacing 50- insertion tubes in silencing and damping assembly 43- the 3rd
The 4th demarcation strips of the 3rd demarcation strip 81- ventholes 90- of 60- the first demarcation strip 61- ventholes the second demarcation strips of 70- 80-
101- muffler leading portion pipe 102- muffler back segment pipes 111- turns shape rod piece 112- rubber lifting lugs.
Embodiment
For allow the utility model features described above and advantage can become apparent, special embodiment below, and coordinate attached drawing,
It is described in detail below, but the utility model is not limited to this.
Referring to figs. 1 to Fig. 7
A kind of main muffler of automobile exhaust pipe, including muffler cylinder 10 closed at both ends, the muffler cylinder it is interior
Chamber is divided into resonant cavity 11, level-one expansion cavity 12, level Four expansion cavity 13, three-level expansion cavity 14 and two level and expands successively along its length
Chamber 15 is opened, the side wall of the level-one expansion cavity is provided with air inlet 16, and level-one expansion cavity is passed through through level Four expansion cavity and three-level
Webmaster 20 is connected with two level expansion cavity in the first of expansion cavity, and three-level expansion cavity is provided through simultaneously in the two level expansion cavity
Webmaster 30 in the second of level Four expansion cavity is stretched into, the upper section side wall in three-level expansion cavity of webmaster is provided with out in described second
Stomata 31, is provided with that to be pierced by the silencing and damping that muffler barrel end is connected with gas outlet 19 total in the level Four expansion cavity
Into the insertion tube 50 for penetrating resonant cavity being additionally provided with the level-one expansion cavity, so that the first expansion cavity and resonant cavity are formed altogether
Shake.
In the present embodiment, the both ends of the muffler cylinder are respectively arranged with capping 17, and the inner cavity of muffler cylinder is along length
Degree direction the first demarcation strip 60, the second demarcation strip 70, the 3rd demarcation strip 80 and the 4th demarcation strip 90 be divided into successively resonant cavity,
Level-one expansion cavity, level Four expansion cavity, three-level expansion cavity and two level expansion cavity, on first demarcation strip and the 3rd demarcation strip respectively
It is provided with venthole 61,81.
Webmaster, which is located on the end of two level expansion cavity, in the present embodiment, in described first is provided with pressure release valve assembly 21, with
Just pressure release is completed.Webmaster stretches into the section side wall of level Four expansion cavity and is provided with venthole 32 in described second, is expanded positioned at three-level
The density of the venthole of the section side wall of chamber is less than the outlet hole density positioned at level Four expansion cavity section side wall, so as to preferably complete
Into vibration damping, noise reduction.
In the present embodiment, it is provided with the level Four expansion cavity and sequentially passes through three-level expansion cavity, two level expansion cavity with setting
In the first silencing and damping assembly 41 that the gas outlet of muffler cylinder one end is connected, and it is provided with and sequentially passes through level-one expansion
The second silencing and damping assembly 42 that chamber, resonant cavity are connected with being arranged at the gas outlet of the muffler cylinder other end, so as into one
Step completes vibration damping, noise reduction, improves efficiency.
In the present embodiment, the first, second silencing and damping assembly be located at respectively including inlet end in level Four expansion cavity and
The other end be connected with gas outlet the 3rd in webmaster 43, the stage casing side wall of webmaster is evenly equipped with venthole and wraps up in the described 3rd
There is an outer tube 44, mineral wool 45 is filled between webmaster in the outer tube and the 3rd.
In the present embodiment, the end sidewalls that webmaster is located in level Four expansion cavity in two the 3rd are respectively arranged with venthole 46,
The air inlet port of webmaster is relatively in two the 3rd and the spacing 47 between air inlet port is 3 ~ 5mm, optimum distance 4mm.So as to gas
Body enters webmaster in the 3rd by through hole as far as possible.
In the present embodiment, the air outlet of webmaster is close to the second demarcation strip and between the second demarcation strip in described second
Distance 33 is 8 ~ 12mm, optimum distance 10mm.
In the present embodiment, the muffler cylinder, which is located on air inlet, is provided with reinforcing plate 18, is connected on the air inlet
There is muffler leading portion pipe 101, muffler endpiece pipe 102 is connected on the gas outlet.
In the present embodiment, the two side ends of the muffler cylinder are also respectively provided with the suspender being connected with car body, institute
Stating suspender includes turning shape rod piece 111 with what the capping of muffler cylinder was mutually welded, described to turn turning for shape rod piece and be provided with portion
Rubber lifting lug 112.
The operation principle of the main muffler of the automobile exhaust pipe：The gas of vehicle motor discharge enters main noise reduction through air inlet
In the level-one expansion cavity of device, it is divided into two-way into the gas in level-one expansion cavity, gas through insertion tube and is arranged at first all the way
Venthole on demarcation strip is passed through in resonant cavity, and another way gas is passed through in two level expansion cavity through webmaster in first；It is passed through two level
Gas in expansion cavity is divided into two-way again by webmaster in second, is passed through all the way in three-level expansion cavity, due on the 3rd demarcation strip
It is provided with venthole so that the gas in three-level expansion cavity is communicated with level Four expansion cavity, and another way gas is passed through level Four expansion
Intracavitary, the gas being passed through in level Four expansion cavity are arranged by gas outlet respectively through the first silencing and damping assembly, the second silencing and damping assembly
Go out, so as to complete vibration and noise reducing.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the claims it is equal
Deng change and modify, should all belong to the covering scope of the utility model.
Claims (7)
1. a kind of main muffler of automobile exhaust pipe, including muffler cylinder closed at both ends, it is characterised in that the muffler cylinder
The inner cavity of body is divided into resonant cavity, level-one expansion cavity, level Four expansion cavity, three-level expansion cavity and two level expansion cavity along its length,
The side wall of the level-one expansion cavity is provided with air inlet, and level-one expansion cavity passes through the through level Four expansion cavity and three-level expansion cavity
Webmaster is connected with two level expansion cavity in one, is provided through three-level expansion cavity in the two level expansion cavity and stretches into level Four expansion
Webmaster in the second of chamber, the upper section side wall in three-level expansion cavity of webmaster is provided with venthole, the level Four in described second
It is provided with expansion cavity and is pierced by the silencing and damping assembly that muffler barrel end is connected with gas outlet, on the level-one expansion cavity
It is additionally provided with the insertion tube for penetrating resonant cavity.
A kind of 2. main muffler of automobile exhaust pipe according to claim 1, it is characterised in that the two of the muffler cylinder
End is respectively arranged with capping, the inner cavity of muffler cylinder along its length through first, second, third and the 4th demarcation strip divide successively
It is divided into resonant cavity, level-one expansion cavity, level Four expansion cavity, three-level expansion cavity and two level expansion cavity, first demarcation strip and the 3rd
Venthole is respectively arranged with demarcation strip.
A kind of 3. main muffler of automobile exhaust pipe according to claim 1 or 2, it is characterised in that webmaster in described first
It is provided with pressure release valve assembly on the end of two level expansion cavity, webmaster stretches into the section side wall of level Four expansion cavity in described second
It is provided with venthole.
4. the main muffler of a kind of automobile exhaust pipe according to claim 1, it is characterised in that set in the level Four expansion cavity
Sequentially pass through that three-level expansion cavity, two level expansion cavity are connected with being arranged at the gas outlet of muffler cylinder one end first is equipped with to disappear
Sound shock absorption assembly, and be provided with and sequentially pass through level-one expansion cavity, resonant cavity and the outlet for being arranged at the muffler cylinder other end
The second silencing and damping assembly that mouth is connected.
A kind of 5. main muffler of automobile exhaust pipe according to claim 4, it is characterised in that first, second noise reduction
Shock absorption assembly is located at respectively including inlet end in level Four expansion cavity and webmaster in the other end is connected with gas outlet the 3rd, described
The stage casing side wall of webmaster is evenly equipped with venthole and is enclosed with outer tube in 3rd, is filled in the outer tube and the 3rd between webmaster
There is mineral wool.
6. the main muffler of a kind of automobile exhaust pipe according to claim 5, it is characterised in that webmaster is located at four in two the 3rd
End sidewalls in level expansion cavity are respectively arranged with venthole.
7. the main muffler of a kind of automobile exhaust pipe according to claim 1,2 or 4, it is characterised in that on the air inlet
Muffler leading portion pipe is connected with, muffler endpiece pipe is connected with the gas outlet, the two side ends of the muffler cylinder are also divided
The suspender being connected with car body is not provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721315596.XU CN207363735U (en) | 2017-10-13 | 2017-10-13 | A kind of main muffler of automobile exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721315596.XU CN207363735U (en) | 2017-10-13 | 2017-10-13 | A kind of main muffler of automobile exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363735U true CN207363735U (en) | 2018-05-15 |
Family
ID=62347336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721315596.XU Active CN207363735U (en) | 2017-10-13 | 2017-10-13 | A kind of main muffler of automobile exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363735U (en) |
-
2017
- 2017-10-13 CN CN201721315596.XU patent/CN207363735U/en active Active
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