CN207686793U - A kind of automobile Dual-outlet exhaust silencer - Google Patents
A kind of automobile Dual-outlet exhaust silencer Download PDFInfo
- Publication number
- CN207686793U CN207686793U CN201721828874.1U CN201721828874U CN207686793U CN 207686793 U CN207686793 U CN 207686793U CN 201721828874 U CN201721828874 U CN 201721828874U CN 207686793 U CN207686793 U CN 207686793U
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- China
- Prior art keywords
- cylinder
- partition
- diversion pipe
- pipe
- end cap
- 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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- 230000003584 silencer Effects 0.000 title claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 66
- 230000008030 elimination Effects 0.000 claims abstract description 34
- 238000003379 elimination reaction Methods 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model is related to a kind of automobile Dual-outlet exhaust silencers, including cylinder, cover cylinder left port left end cap and cover the right end cap in cylinder right output port, it is characterized in that, air inlet pipe is put in from trepanning among side wall in cylinder, and tuning valve is welded in outlet side, inlet end is welded with inlet flange, it is divided into five chambers by four pieces of partition boards in cylinder, first diversion pipe and the second diversion pipe run through four pieces of partition boards, and first the air inlet of diversion pipe be placed in the first noise elimination cavity room, gas outlet passes through right end cap and the first tail pipe to weld, the air inlet of second diversion pipe is placed in the 5th noise elimination cavity room, gas outlet passes through left end cap and the second tail pipe to weld, third diversion pipe runs through second partition, 4th diversion pipe runs through third partition board；The utility model is by installing tuning valve, and when engine being made to operate, silencer can not only reduce noise, and can reduce back pressure, ensures the high power operating of engine.
Description
Technical field
The utility model is related to a kind of automobile Dual-outlet exhaust silencer, especially a kind of automobile double being equipped with tuning valve
Tailpipe silencer belongs to gasoline engine exhaust aftertreatment technical field.
Background technology
In recent years, the noise and vibration performance of automobile was increasingly concerned, it has also become weighs the important indicator of automobile brand
One of.The exhaust noise of automobile engine is the main source of automobile noise, therefore the noise that reduce automobile should be from reduction
Exhaust system noise is started with, and most direct, effective mode installs exhaust silencer after engine.
Current automobile exhaust muffler type is more, including reactive muffler, dissipative muffler and impedance composite disappear
Sound device.The design of silencer will not only consider noise reduction, while also consider its influence to exhaust system backpressure.It is big at present
Most muffler desings are complex, though causing noise elimination effect good, exhaust back pressure is excessive, and the power performance of engine is very
Difference.Obviously this to come in a manner of the muffler desing of noise reduction to be worthless to sacrifice back pressure.
Invention content
The purpose of this utility model is the defect for existing silencer, provides a kind of automobile Dual-outlet exhaust noise elimination
Device, the silencer is by installing tuning valve, and when high engine speeds being made to operate, silencer can not only reduce noise, and can reduce the back of the body
Pressure ensures the high power operating of engine.
For the above technical purpose of realization, the technical solution adopted in the utility model is：A kind of automobile Dual-outlet exhaust noise elimination
Device, including cylinder, cover cylinder left port left end cap and cover the right end cap in cylinder right output port, which is characterized in that the cylinder
The side-wall middle section of body is equipped with trepanning, and air inlet pipe is put in from trepanning in cylinder, and air inlet pipe air inlet and outlet end is connected with tuning valve,
Inlet end is connect with inlet flange, is divided by first partition, second partition, third partition board and the 4th partition board in the cylinder
Five chambers, be from left to right followed successively by the first noise elimination chamber, the second noise elimination chamber, third noise elimination chamber, the 4th noise elimination chamber and
5th noise elimination chamber；Further include the first diversion pipe, the second diversion pipe, third diversion pipe and the 4th diversion pipe, first water conservancy diversion
Pipe and the second diversion pipe run through first partition, second partition, third partition board and the 4th partition board, and the air inlet of the first diversion pipe
It is placed in the first noise elimination cavity room, gas outlet is connect across right end cap with the first tail pipe, and the air inlet of the second diversion pipe is placed in the 5th
In noise elimination cavity room, gas outlet is connect across left end cap with the second tail pipe, and third diversion pipe runs through second partition, and the 4th diversion pipe passes through
Wear third partition board.
Further, the first partition, second partition, third partition board and the 4th divider upright are connected in cylinder.
Further, the pipe end of the first tail pipe and the second tail pipe is bell shape.
Further, the air inlet pipe, which is put on the side wall of shell portion, is provided with several apertures, the diameter of the aperture
For 4mm ~ 6mm.
Further, the first partition is identical with the 4th diaphragm structure, and several apertures are provided on plate, described small
A diameter of 3mm ~ 5mm in hole；The second partition is identical with third diaphragm structure, and several apertures are provided on plate, described
A diameter of 4mm ~ 6mm of aperture.
Further, the left port of the cylinder and the edge of right output port are equipped with a circle annular protrusion, the left end cap
Be equipped with annular groove with right end cap edge, the cylinder by annular protrusion be embedded in annular groove respectively with left end cap and the right side
End cap connects.
From the above, it can be seen that the utility model has technical effect that：
1）The present invention is realized by the opening and closing of tuning valve to high engine speeds operation and low speed operating condition noise and back pressure
Control；
2）The present invention opens tuning valve when high engine speeds operate, and reduces exhaust back pressure, ensures the dynamic property of engine
Energy；
3）The present invention closes tuning valve in time of engine low speed, reduces exhaust low speed noise.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model.
Fig. 2 is the structural schematic diagram of the utility model removal cylinder.
Reference sign：1- inlet flanges, 2- air inlet pipe, 3- tunings valve, 4- first partitions, 5- second partitions, 6-
Three partition boards, the 4th partition boards of 7-, the first diversion pipes of 8-, the second diversion pipes of 9-, 10- thirds diversion pipe, the 4th diversion pipes of 11-, 12- are left
End cap, 13- right end caps, the first tail pipes of 14-, the second tail pipes of 15-, the first noise eliminations of 16- chamber, the second noise eliminations of 17- chamber, 18-
Three noise elimination chambers, the 4th noise elimination chambers of 19-, the 5th noise elimination chambers of 20-, 21- cylinders.
Specific implementation mode
With reference to specific drawings and examples, the utility model is described in further detail.
With reference to the accompanying drawings shown in 1 and Fig. 2, a kind of automobile Dual-outlet exhaust silencer, including cylinder 21, cover in 21 left end of cylinder
Mouthful left end cap 12 and cover the right end cap 13 in 21 right output port of cylinder, the left port of the cylinder 21 and the edge of right output port are all provided with
There are a circle annular protrusion, the left end cap 12 and 13 edge of right end cap to be equipped with annular groove, the cylinder 21 passes through convex annular
It rises in embedded annular groove and is connect respectively with left end cap 12 and right end cap 13；
It is characterized in that, the side-wall middle section of the cylinder 21 is equipped with trepanning, air inlet pipe 2 puts in cylinder 21 from trepanning
It is interior, and the outlet side of air inlet pipe 2 is connected with tuning valve 3, inlet end is connect with inlet flange 1, passes through first in the cylinder 21
Partition board 4, second partition 5, third partition board 6 and the 4th partition board 7 are divided into five chambers, and first partition 4, second partition 5, third
Partition board 6 and the 4th partition board 7 are vertically connected in cylinder 21, are from left to right followed successively by the first noise elimination chamber 16, the second noise elimination chamber
17, third noise elimination chamber 18, the 4th noise elimination chamber 19 and the 5th noise elimination chamber 20；
Further include the first diversion pipe 8,9 third diversion pipe 10 of the second diversion pipe and the 4th diversion pipe 11, first water conservancy diversion
Pipe 8 and the second diversion pipe 9 run through first partition 4, second partition 5, third partition board 6 and the 4th partition board 7, and the first diversion pipe 8
Air inlet be placed in the first noise elimination chamber 16, gas outlet is connect across right end cap 13 with the first tail pipe 14, the second diversion pipe 9
Air inlet is placed in the 5th noise elimination chamber 20, and gas outlet is connect across left end cap 12 with the second tail pipe 15, the first tail pipe 14 and
The pipe end of two tail pipes 15 is bell shape；Third diversion pipe 10 runs through second partition 5, and the disengaging at 10 both ends of third diversion pipe
Gas port is respectively placed in the second noise elimination chamber 17 and third noise elimination chamber 18, and the 4th diversion pipe 11 runs through third partition board 6, and the 4th
The air inlet/outlet at 11 both ends of diversion pipe is respectively placed in third noise elimination chamber 18 and the 4th noise elimination chamber 19.
The air inlet pipe 2 of silencer in the present embodiment puts on the side wall of 21 part of cylinder and is provided with several apertures,
A diameter of 4mm ~ 6mm of the aperture；The first partition 4 is identical with 7 structure of the 4th partition board, and it is small that several are provided on plate
Hole, a diameter of 3mm ~ 5mm of the aperture；The second partition 5 is identical with 6 structure of third partition board, and is provided on plate several
A aperture, a diameter of 4mm ~ 6mm of the aperture.
Utility model works principle：The form that left end cap 12, right end cap 13 are passed through into edge curling seal with cylinder 21 respectively
Connection, air inlet pipe 2 are put in cylinder 21, and inlet end is connect with inlet flange 1, and outlet side is connect with tuning valve 3, puts in cylinder
It is provided with several apertures on side wall in 21, is opened on the first partition 4, second partition 5, third partition board 6 and the 4th partition board 7
There are several apertures；When the engine operates with a low speed, tuning valve 3 is closed, exhaust gas enters the of cylinder 21 from the aperture of air inlet pipe 2
Tuning valve 3 is opened, exhaust gas enters cylinder from the aperture of air inlet pipe 2 and gas outlet when high engine speeds operate in three anechoic chambers 18
21 third anechoic chamber 18, exhaust gas enter the second anechoic chamber 17 by the aperture and third diversion pipe 10 of second partition 5, by the
The aperture of three partition boards 6 and the 4th diversion pipe 11 enter the 4th anechoic chamber 19, are further continued for entering the by the aperture in first partition 4
One anechoic chamber 16 enters the 5th anechoic chamber 20 by the aperture of the 4th partition board 7, and the exhaust gas in the first anechoic chamber 16 is led by first
The air inlet of flow tube 8 enters the first diversion pipe 8, is discharged from the first tail pipe 14, and the exhaust gas in the 5th anechoic chamber 20 is led by second
The air inlet of flow tube 9 enters the second diversion pipe 9, is discharged from the second tail pipe 15.
The utility model and embodiments thereof are described above, description is not limiting, shown in attached drawing
Also it is one of the embodiment of the utility model, actual structure is not limited to this.If the ordinary skill people of this field
Member is enlightened by it, without deviating from the purpose of the present invention, is not inventively designed and the technical solution
Similar frame mode and embodiment, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of automobile Dual-outlet exhaust silencer, including cylinder（21）, cover in cylinder（21）The left end cap of left port（12）With
It covers in cylinder（21）The right end cap of right output port（13）, which is characterized in that the cylinder（21）Side-wall middle section be equipped with trepanning,
Air inlet pipe（2）Cylinder is put in from trepanning（21）It is interior, and air inlet pipe（2）Outlet side is connected with tuning valve（3）, inlet end and air inlet method
It is blue（1）Connection, the cylinder（21）Inside pass through first partition（4）, second partition（5）, third partition board（6）With the 4th partition board（7）
It is divided into five chambers, is from left to right followed successively by the first noise elimination chamber（16）, the second noise elimination chamber（17）, third noise elimination chamber
（18）, the 4th noise elimination chamber（19）With the 5th noise elimination chamber（20）；It further include the first diversion pipe（8）, the second diversion pipe（9）Third
Diversion pipe（10）With the 4th diversion pipe（11）, first diversion pipe（8）With the second diversion pipe（9）Run through first partition（4）、
Second partition（5）, third partition board（6）With the 4th partition board（7）, and the first diversion pipe（8）Air inlet be placed in the first noise elimination chamber
（16）Interior, gas outlet passes through right end cap（13）With the first tail pipe（14）Connection, the second diversion pipe（9）Air inlet be placed in the 5th and disappear
Acoustic chamber（20）Interior, gas outlet passes through left end cap（12）With the second tail pipe（15）Connection, third diversion pipe（10）Through second every
Plate（5）, the 4th diversion pipe（11）Through third partition board（6）.
2. a kind of automobile Dual-outlet exhaust silencer according to claim 1, it is characterised in that：The first partition（4）、
Second partition（5）, third partition board（6）With the 4th partition board（7）It is vertically connected on cylinder（21）It is interior.
3. a kind of automobile Dual-outlet exhaust silencer according to claim 1, it is characterised in that：First tail pipe（14）With
Two tail pipes（15）Pipe end be bell shape.
4. a kind of automobile Dual-outlet exhaust silencer according to claim 1, it is characterised in that：The air inlet pipe 2 is put in
Cylinder（21）Several apertures, a diameter of 4mm ~ 6mm of the aperture are provided on partial side wall.
5. a kind of automobile Dual-outlet exhaust silencer according to claim 1, it is characterised in that：The first partition（4）
With the 4th partition board（7）Structure is identical, and several apertures are provided on plate, a diameter of 3mm ~ 5mm of the aperture；Described second
Partition board（5）With third partition board（6）Structure is identical, and several apertures are provided on plate, a diameter of 4mm ~ 6mm of the aperture.
6. a kind of automobile Dual-outlet exhaust silencer according to claim 1, it is characterised in that：The cylinder（21）A left side
Port and the edge of right output port are equipped with a circle annular protrusion, the left end cap（12）And right end cap（13）Edge is equipped with annular
Groove, the cylinder（21）By annular protrusion be embedded in annular groove in respectively with left end cap（12）And right end cap（13）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828874.1U CN207686793U (en) | 2017-12-23 | 2017-12-23 | A kind of automobile Dual-outlet exhaust silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828874.1U CN207686793U (en) | 2017-12-23 | 2017-12-23 | A kind of automobile Dual-outlet exhaust silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207686793U true CN207686793U (en) | 2018-08-03 |
Family
ID=62996011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721828874.1U Expired - Fee Related CN207686793U (en) | 2017-12-23 | 2017-12-23 | A kind of automobile Dual-outlet exhaust silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207686793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379615A (en) * | 2020-04-30 | 2020-07-07 | 华晨鑫源重庆汽车有限公司 | Exhaust silencer capable of promoting balance |
-
2017
- 2017-12-23 CN CN201721828874.1U patent/CN207686793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379615A (en) * | 2020-04-30 | 2020-07-07 | 华晨鑫源重庆汽车有限公司 | Exhaust silencer capable of promoting balance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |