CN109707496A - A kind of automobile de-noising type tail gas discharging pipe - Google Patents
A kind of automobile de-noising type tail gas discharging pipe Download PDFInfo
- Publication number
- CN109707496A CN109707496A CN201811628918.5A CN201811628918A CN109707496A CN 109707496 A CN109707496 A CN 109707496A CN 201811628918 A CN201811628918 A CN 201811628918A CN 109707496 A CN109707496 A CN 109707496A
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- fixedly installed
- absorbing cylinder
- discharge chamber
- heat
- automobile
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Abstract
The invention discloses a kind of automobile de-noising type tail gas discharging pipes, it is related to auto parts field, including discharge chamber, one end middle position of the discharge chamber is fixedly installed with escape pipe, the other end middle position of the discharge chamber is fixedly installed with air inlet pipe, one end of the air inlet pipe is fixedly installed with ring flange, the discharge chamber is internally provided with the first filter plate, the inside of the discharge chamber is fixedly installed with heat-insulated liner, the discharge chamber and the interlayer position of heat-insulated liner are provided with acoustical cotton, described heat-insulated liner one end is fixedly installed with noise reduction absorbing cylinder, one end of the noise reduction absorbing cylinder is fixedly installed with flow distribution plate, run through on the flow distribution plate and offers tap hole, the position connecting inside the discharge chamber with escape pipe is provided with the second filter plate, the present invention is conducive to the flow field regulation of gas, so that discharge gas flow velocity slows down, reduce Impact force between discharge gas and discharge chamber reduces noise.
Description
Technical field
The present invention relates to technical field of automobile accessories, specifically a kind of automobile de-noising type tail gas discharging pipe.
Background technique
With the development of science and technology the improvement of people's living standards, more and more automobiles appear in daily life
In the middle, vehicle maintenance service technical application is also more and more extensive.Exhaust pipe is exhaust component very common on automobile, air inlet
The gas being discharged from engine is accessed, and is discharged from the gas outlet of exhaust pipe, traditional automobile exhaust system is disappeared by installation
Sound device realizes noise elimination noise reduction, inside common muffler, typically using the simple tube group for having hole, actually noise
Caused by most of impact exhaust pipe as gas, it is bad that noise result is eliminated using the simple tube group with hole.Therefore, ability
Field technique personnel provide a kind of automobile de-noising type tail gas discharging pipe, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of automobile de-noising type tail gas discharging pipes, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of automobile de-noising type tail gas discharging pipe, including discharge chamber, the fixed peace in one end middle position of the discharge chamber
Equipped with escape pipe, the other end middle position of the discharge chamber is fixedly installed with air inlet pipe, the fixed peace in one end of the air inlet pipe
Equipped with ring flange, the position connecting inside the discharge chamber with air inlet pipe is provided with the first filter plate, the inside of the discharge chamber
It is fixedly installed with heat-insulated liner, the discharge chamber and the interlayer position of heat-insulated liner are provided with acoustical cotton, the heat-insulated liner one
The position close to the first filter plate is held to be fixedly installed with noise reduction absorbing cylinder, one end of the noise reduction absorbing cylinder is fixedly installed with shunting
Plate, through tap hole is offered on the flow distribution plate, the position connecting inside the discharge chamber with escape pipe is provided with the second mistake
Filter plate.
As a further solution of the present invention: the noise reduction absorbing cylinder includes the suction for being fixedly installed in heat-insulated liner inner surface
Vibration cylinder shell, the absorbing cylinder inner surface of outer cover are fixedly installed with absorbing cylinder inner panel, the absorbing cylinder inner panel and absorbing cylinder shell
Sealed sandwich in be provided with coolant liquid, the absorbing cylinder inner panel inner cavity lower surface is fixedly installed with lower clapboard, the absorbing cylinder
Inner panel inner cavity upper surface is fixedly installed with upper spacer.
As further scheme of the invention: the absorbing cylinder shell of the noise reduction absorbing cylinder and heat-insulated liner inner surface phase
It cuts, and is fixedly connected on heat-insulated liner inner surface.
As the present invention further scheme: the heat-insulated liner is a kind of component of ceramic material, and heat-insulated liner
The tapered structure in both ends.
As further scheme of the invention: the lower clapboard and lower clapboard are pacified in absorbing cylinder inner panel inner cavity in interlocking
Dress.
As further scheme of the invention: the acoustical cotton is a kind of component of polyester fiber material.
Compared with prior art, the beneficial effects of the present invention are:
1, the heat-insulated liner installed of the present invention is a kind of component of ceramic material, and the heat-insulated tapered structure in liner both ends,
Be conducive to the flow field regulation of gas, so that discharge gas flow velocity slows down, reduce the impact force between discharge gas and discharge chamber, together
When play heat-insulated effect, sound-proof material is protected.
2, the noise reduction absorbing cylinder that the present invention installs further limits the flow velocity of discharge gas, and is arranged upper and lower
Partition increases gas flow paths, and absorbing cylinder inner panel can play cold with the coolant liquid in the Sealed sandwich of absorbing cylinder shell
But, absorbing and sound deadening.
3, the flow distribution plate that the present invention installs further changes discharge gas flowing path, flow velocity and air pressure is reduced, into one
The noise-reduction of step.
4, the acoustical cotton that the present invention installs is a kind of component of polyester fiber material, has good suction-operated to noise,
So that erasure effect reaches best.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of automobile de-noising type tail gas discharging pipe；
Fig. 2 is a kind of cut-away view of automobile de-noising type tail gas discharging pipe；
Fig. 3 is a kind of structural schematic diagram of noise reduction absorbing cylinder in automobile de-noising type tail gas discharging pipe.
In figure: 1, discharge chamber；2, escape pipe；3, ring flange；4, air inlet pipe；5, the first filter plate；6, noise reduction absorbing cylinder；7,
Flow distribution plate；8, the second filter plate；9, tap hole；10, heat-insulated liner；11, acoustical cotton；12, lower clapboard；13, upper spacer；14, it inhales
Vibration cylinder shell；15, coolant liquid；16, absorbing cylinder inner panel.
Specific embodiment
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of automobile de-noising type tail gas discharging pipe, including discharge chamber 1, row
One end middle position for putting chamber 1 is fixedly installed with escape pipe 2, and the other end middle position of discharge chamber 1 is fixedly installed with air inlet pipe
4, one end of air inlet pipe 4 is fixedly installed with ring flange 3, and the position that 1 inside of discharge chamber is connect with air inlet pipe 4 is provided with the first filtering
Plate 5, the inside of discharge chamber 1 are fixedly installed with heat-insulated liner 10, and discharge chamber 1 and the interlayer position of heat-insulated liner 10 are provided with sound-absorbing
Cotton 11, heat-insulated 10 one end of liner are fixedly installed with noise reduction absorbing cylinder 6 close to the position of the first filter plate 5, and the one of noise reduction absorbing cylinder 6
End is fixedly installed with flow distribution plate 7, runs through on flow distribution plate 7 and offers tap hole 9, the position that 1 inside of discharge chamber is connect with escape pipe 2
It is provided with the second filter plate 8.
In order to which noise reduction absorbing cylinder 6 has good sound deadening, in the present embodiment, it is preferred that noise reduction absorbing cylinder 6 includes
It is fixedly installed in the absorbing cylinder shell 14 of heat-insulated 10 inner surface of liner, 14 inner surface of absorbing cylinder shell is fixedly installed in absorbing cylinder
Plate 16, is provided with coolant liquid 15 in the Sealed sandwich of absorbing cylinder inner panel 16 and absorbing cylinder shell 14, under 16 inner cavity of absorbing cylinder inner panel
Surface is fixedly installed with lower clapboard 12, and 16 inner cavity upper surface of absorbing cylinder inner panel is fixedly installed with upper spacer 13.
In order to guarantee the integrally-built stabilization of exhaust pipe, in the present embodiment, it is preferred that the absorbing cylinder of noise reduction absorbing cylinder 6
Shell 14 and heat-insulated 10 inner surface of liner are tangent, and are fixedly connected on heat-insulated 10 inner surface of liner.
In order to protect acoustical cotton 11 and change discharge gas flow field, in the present embodiment, it is preferred that heat-insulated liner 10 is one
The component of kind ceramic material, and the tapered structure in 10 both ends of heat-insulated liner.
In order to reduce discharge gas flow velocity and pressure, to reduce impact of the discharge gas to discharge chamber, in the present embodiment
In, it is preferred that lower clapboard 12 is in be staggered installation of in 16 inner cavity of absorbing cylinder inner panel with lower clapboard 12.
More for noise reduction effect, in the present embodiment, it is preferred that acoustical cotton 11 is a kind of structure of polyester fiber material
Part.
The working principle of the invention is: in the use of the present invention, discharge gas passes through air inlet pipe 4 into discharge chamber 1, and
When by the first filter plate 5, part particulate contamination in discharge gas is adsorbed, subsequent discharge gas enters the cone of heat-insulated liner 10
In shape inner cavity, since flow path becomes larger, the flow velocity of discharge gas obtains slowing down for the first step, alleviates rushing to discharge chamber 1
It hits, discharge gas enters in noise reduction absorbing cylinder 6 later, and the upper spacer 13 being arranged inside noise reduction absorbing cylinder 6 and lower clapboard 12 increase
Gas flow paths change discharge gas flow field, further decrease flow velocity and pressure, absorbing cylinder inner panel 16 and absorbing cylinder shell
Coolant liquid 15 in 14 Sealed sandwich can play cooling, absorbing and sound deadening, and discharge gas carries out when passing through flow distribution plate 7
Then the shunting speed limit of final step carries out further filtration, purification by the second filter plate 8, finally discharged by 2 row of escape pipe,
The heat-insulated liner 10 that the present invention installs is a kind of component of ceramic material, and the tapered structure in 10 both ends of heat-insulated liner is conducive to
The flow field regulation of gas reduces the impact force between discharge gas and discharge chamber 1, rises simultaneously so that discharge gas flow velocity slows down
To heat-insulated effect, acoustical cotton 11 is protected.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of automobile de-noising type tail gas discharging pipe, including discharge chamber (1), which is characterized in that one end of the discharge chamber (1)
Middle position is fixedly installed with escape pipe (2), and the other end middle position of the discharge chamber (1) is fixedly installed with air inlet pipe (4),
One end of the air inlet pipe (4) is fixedly installed with ring flange (3), the position connecting inside the discharge chamber (1) with air inlet pipe (4)
Be provided with the first filter plate (5), the inside of the discharge chamber (1) is fixedly installed with heat-insulated liner (10), the discharge chamber (1) with
The interlayer position of heat-insulated liner (10) is provided with acoustical cotton (11), and described heat-insulated liner (10) one end is close to the first filter plate (5)
Position be fixedly installed with noise reduction absorbing cylinder (6), one end of the noise reduction absorbing cylinder (6) is fixedly installed with flow distribution plate (7), described
Through offering tap hole (9) on flow distribution plate (7), the position connecting inside the discharge chamber (1) with escape pipe (2) is provided with the
Two filter plates (8).
2. a kind of automobile de-noising type tail gas discharging pipe according to claim 1, which is characterized in that the noise reduction absorbing cylinder
It (6) include the absorbing cylinder shell (14) for being fixedly installed in heat-insulated liner (10) inner surface, absorbing cylinder shell (14) inner surface
It is fixedly installed with absorbing cylinder inner panel (16), is provided in the absorbing cylinder inner panel (16) and the Sealed sandwich of absorbing cylinder shell (14)
Coolant liquid (15), absorbing cylinder inner panel (16) the inner cavity lower surface are fixedly installed with lower clapboard (12), the absorbing cylinder inner panel
(16) inner cavity upper surface is fixedly installed with upper spacer (13).
3. a kind of automobile de-noising type tail gas discharging pipe according to claim 1, which is characterized in that the noise reduction absorbing cylinder
(6) absorbing cylinder shell (14) and heat-insulated liner (10) inner surface are tangent, and are fixedly connected on heat-insulated liner (10) inner surface.
4. a kind of automobile de-noising type tail gas discharging pipe according to claim 1, which is characterized in that the heat-insulated liner
It (10) is a kind of component of ceramic material, and the tapered structure in heat-insulated liner (10) both ends.
5. a kind of automobile de-noising type tail gas discharging pipe according to claim 1, which is characterized in that the lower clapboard (12)
With lower clapboard (12) in absorbing cylinder inner panel (16) inner cavity in being staggered installation of.
6. a kind of automobile de-noising type tail gas discharging pipe according to claim 1, which is characterized in that the acoustical cotton (11)
For a kind of component of polyester fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628918.5A CN109707496A (en) | 2018-12-28 | 2018-12-28 | A kind of automobile de-noising type tail gas discharging pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628918.5A CN109707496A (en) | 2018-12-28 | 2018-12-28 | A kind of automobile de-noising type tail gas discharging pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109707496A true CN109707496A (en) | 2019-05-03 |
Family
ID=66259253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811628918.5A Pending CN109707496A (en) | 2018-12-28 | 2018-12-28 | A kind of automobile de-noising type tail gas discharging pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707496A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263515A (en) * | 2022-08-26 | 2022-11-01 | 霍山汇能汽车零部件制造有限公司 | Rear heat insulation plate of automobile muffler |
Citations (7)
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|---|---|---|---|---|
| RU2205968C2 (en) * | 2001-04-25 | 2003-06-10 | Военный автомобильный институт | Exhaust system of internal combustion engine |
| CN201250687Y (en) * | 2008-09-08 | 2009-06-03 | 边振海 | Stepped-hole structured noise-reduction smoke-abatement muffler |
| JP2013047480A (en) * | 2011-08-29 | 2013-03-07 | Sakamoto Industry Co Ltd | Exhaust gas heat recovery device |
| CN104653264A (en) * | 2013-11-19 | 2015-05-27 | 泰州市润宇机械配件有限公司 | Exhaust barrel |
| CN104975924A (en) * | 2015-07-31 | 2015-10-14 | 云南大红山管道有限公司 | Widely-applied silencer |
| CN206205964U (en) * | 2016-11-22 | 2017-05-31 | 王廷胜 | A kind of purifying vehicle exhaust collection device |
| CN108894854A (en) * | 2018-07-03 | 2018-11-27 | 皖西学院 | A kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions |
-
2018
- 2018-12-28 CN CN201811628918.5A patent/CN109707496A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2205968C2 (en) * | 2001-04-25 | 2003-06-10 | Военный автомобильный институт | Exhaust system of internal combustion engine |
| CN201250687Y (en) * | 2008-09-08 | 2009-06-03 | 边振海 | Stepped-hole structured noise-reduction smoke-abatement muffler |
| JP2013047480A (en) * | 2011-08-29 | 2013-03-07 | Sakamoto Industry Co Ltd | Exhaust gas heat recovery device |
| CN104653264A (en) * | 2013-11-19 | 2015-05-27 | 泰州市润宇机械配件有限公司 | Exhaust barrel |
| CN104975924A (en) * | 2015-07-31 | 2015-10-14 | 云南大红山管道有限公司 | Widely-applied silencer |
| CN206205964U (en) * | 2016-11-22 | 2017-05-31 | 王廷胜 | A kind of purifying vehicle exhaust collection device |
| CN108894854A (en) * | 2018-07-03 | 2018-11-27 | 皖西学院 | A kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115263515A (en) * | 2022-08-26 | 2022-11-01 | 霍山汇能汽车零部件制造有限公司 | Rear heat insulation plate of automobile muffler |
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|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190503 |