CN209586483U - A kind of automobile exhaust pipe - Google Patents
A kind of automobile exhaust pipe Download PDFInfo
- Publication number
- CN209586483U CN209586483U CN201821801383.2U CN201821801383U CN209586483U CN 209586483 U CN209586483 U CN 209586483U CN 201821801383 U CN201821801383 U CN 201821801383U CN 209586483 U CN209586483 U CN 209586483U
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- CN
- China
- Prior art keywords
- exhaust pipe
- heel row
- row tracheae
- grain catcher
- catalyzing unit
- 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.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Silencers (AREA)
Abstract
The utility model relates to a kind of automobile exhaust pipes, it includes connector, retainer plate is provided in connector, front exhaust pipe is connected with below connector, the tail portion of front exhaust pipe is provided with ternary catalyzing unit, the rear of ternary catalyzing unit is provided with middle exhaust pipe, it is disposed with thermal insulation layer and muffle coating from inside to outside on the inner wall of front exhaust pipe and middle exhaust pipe, the tail portion of middle exhaust pipe is provided with grain catcher, the rear of grain catcher is provided with heel row tracheae, muffle coating is provided on the inner wall of heel row tracheae, muffler is provided in the middle part of heel row tracheae, the tail portion of heel row tracheae is provided with exhaust outlet, filter screen is provided on the inside of exhaust outlet, damper is provided with above the lower section of ternary catalyzing unit and grain catcher, damper is respectively connected with extension, extension is attached to middle exhaust pipe, grain catcher, heel row tracheae With the surface of muffler；The utility model has the advantages that cleaning effect is good, damping suction is made an uproar, long service life.
Description
Technical field
The utility model relates to technical field of automobile parts, and in particular to a kind of automobile exhaust pipe.
Background technique
Automobile has been the most common walking-replacing tool of people, and automobile exhaust pipe is the important component of vehicle；With whole
Raising of a range both at home and abroad to motor vehicle emission limit value, automobile exhaust pipe gradually increase corresponding after-treatment system；Automobile row
Tracheae is connect with engine assembly, and when engine operation, resonance is generated between engine and automobile exhaust pipe, the automobile is caused to arrange
Tracheae vibration, and along with resonance noise, it not only influences the service life of automobile exhaust pipe and increases the noise of vehicle, user experience
Difference；Therefore, it is necessary to a kind of automobile exhaust pipes.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide that a kind of cleaning effect is good, damping is inhaled
It makes an uproar, a kind of automobile exhaust pipe with long service life.
Purpose of the utility model is realized as follows: a kind of automobile exhaust pipe, it includes connector, the connector
It is inside provided with retainer plate, front exhaust pipe is connected with below the connector, the tail portion of the front exhaust pipe is provided with three
First catalyst converter, the rear of the ternary catalyzing unit are provided with middle exhaust pipe, the inner wall of the front exhaust pipe and middle exhaust pipe
On be disposed with thermal insulation layer and muffle coating from inside to outside, the tail portion of the middle exhaust pipe is provided with grain catcher, institute
The rear for the grain catcher stated is provided with heel row tracheae, is provided with muffle coating on the inner wall of the heel row tracheae, described
Heel row tracheae in the middle part of be provided with muffler, the tail portion of the heel row tracheae is provided with exhaust outlet, the exhaust outlet
Inside is provided with filter screen, and damper is provided with above the lower section of the ternary catalyzing unit and grain catcher, described
Damper be respectively connected with extension, the extension is attached to middle exhaust pipe, grain catcher, heel row tracheae and muffler
Surface.
The retainer plate is made of perfluoroelastomers.
The muffle coating is acrylic resin paint coating.
The filter screen is cystidium, is internally provided with adsorption layer.
The catalyst of redox reaction in the ternary catalyzing unit is Pt-Rh.
The beneficial effects of the utility model are: the utility model is provided with retainer plate between engine and connector, Gu
Fixed circle is made of perfluoroelastomers, has good chemical property and high temperature resistant property, again can not while enhancing its leakproofness
It chemically reacts therewith, generates new exhaust emission；Ternary catalyzing unit is by oxidation and reduction reaction, by Oxidation of Carbon Monoxide
At carbon dioxide, hydrocarbon is oxidized to water and carbon dioxide, and oxynitrides is reduced into nitrogen and oxygen；By three kinds
Pernicious gas all becomes innocuous gas；And three-way catalyst is minimum to react when 350 degrees Celsius, temperature is too low
When, transfer efficiency sharply declines；Therefore, it is provided with thermal insulation layer on the inner wall of front exhaust pipe and middle exhaust pipe, thermal insulation layer is by receiving
Solid special energy-saving nanometer micropore heat-barrier material is made in rice silica and lanthanum hexaboride, and lanthanum hexaboride is infrared ray barrier material, because
This, can effectively prevent scattering and disappearing for heat, and the thermal energy that engine generates is applied to ternary catalyzing unit, improves its catalytic efficiency；
Muffle coating is provided on the inner wall of front exhaust pipe, middle exhaust pipe and heel row tracheae, muffle coating is acrylic resin paint
Coating has and inhibits shell structure vibration, structure borne sonic propagation and noise radiation, has good noise elimination, damping effect, simultaneously
Also with heat-insulated, sound absorption, antirust, anticorrosion, the service life for extending metal；The filter screen of the inside setting of exhaust outlet is cryptomere
Body is internally provided with adsorption layer, can carry out secondary cleaning to exhaust gas, keep cleaning efficiency higher, and can be according to specifically used feelings
Condition is replaced；The setting of damper and extension can largely reduce the vibration of exhaust pipe, prolong its service life；
Ternary catalyzing unit, grain catcher and damper can select suitable model as the case may be；To sum up, the utility model
Have the advantages that cleaning effect is good, damping suction is made an uproar, long service life.
Detailed description of the invention
Fig. 1 is a kind of main view of automobile exhaust pipe of the utility model.
Wherein: 1, connector 2, retainer plate 3, front exhaust pipe 4, thermal insulation layer 5, ternary catalyzing unit 6, particle
Trap 7, muffle coating 8, muffler 9, filter screen 10, exhaust outlet 11, damper 12, extension
13, heel row tracheae 14, middle exhaust pipe.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of automobile exhaust pipe, it includes connector 1, is provided with retainer plate 2 in the connector 1,
The lower section of the connector 1 is connected with front exhaust pipe 3, and the tail portion of the front exhaust pipe 3 is provided with ternary catalyzing unit 5, institute
The rear for the ternary catalyzing unit 5 stated is provided with middle exhaust pipe 14, from interior on the inner wall of the front exhaust pipe 3 and middle exhaust pipe 14
To thermal insulation layer 4 and muffle coating 7 is disposed with outside, the tail portion of the middle exhaust pipe 14 is provided with grain catcher 6, described
The rear of grain catcher 6 be provided with heel row tracheae 13, be provided with muffle coating 7 on the inner wall of the heel row tracheae 13,
The middle part of the heel row tracheae 13 is provided with muffler 8, and the tail portion of the heel row tracheae 13 is provided with exhaust outlet 10, described
The inside of exhaust outlet 10 be provided with filter screen 9, the lower section of the ternary catalyzing unit 5 and the top of grain catcher 6 are all provided with
Be equipped with damper 11, the damper 11 is respectively connected with extension 12, the extension 12 be attached to middle exhaust pipe 14,
The surface of grain trap 6, heel row tracheae 13 and muffler 8.
The beneficial effects of the utility model are: the utility model is provided with retainer plate between engine and connector, increase
Its strong leakproofness；Ternary catalyzing unit is by oxidation and reduction reaction, by Oxidation of Carbon Monoxide at carbon dioxide, hydrocarbon quilt
It is oxidized to water and carbon dioxide, oxynitrides is reduced into nitrogen and oxygen；Three kinds of pernicious gases are all become into harmless gas
Body；And three-way catalyst is minimum to react when 350 degrees Celsius, when temperature is too low, transfer efficiency sharply declines；Cause
This, is provided with thermal insulation layer on the inner wall of front exhaust pipe and middle exhaust pipe, can effectively prevent scattering and disappearing for heat, engine is produced
Raw thermal energy applies to ternary catalyzing unit, improves its catalytic efficiency；On the inner wall of front exhaust pipe, middle exhaust pipe and heel row tracheae
It is provided with muffle coating, there is good noise elimination, damping effect, while also there is heat-insulated, sound absorption, antirust, anticorrosion, extend metal
Service life；The filter screen of the inside setting of exhaust outlet can carry out secondary cleaning to exhaust gas, keep cleaning efficiency higher, Er Qieke
It is replaced according to particular condition in use；The setting of damper and extension can largely reduce the vibration of exhaust pipe, prolong
Its long service life；Ternary catalyzing unit, grain catcher and damper can select suitable model as the case may be；For total
It, the utility model has the advantages that cleaning effect is good, damping suction is made an uproar, long service life.
Embodiment 2
As shown in Figure 1, a kind of automobile exhaust pipe, it includes connector 1, is provided with retainer plate 2 in the connector 1,
The lower section of the connector 1 is connected with front exhaust pipe 3, and the tail portion of the front exhaust pipe 3 is provided with ternary catalyzing unit 5, institute
The rear for the ternary catalyzing unit 5 stated is provided with middle exhaust pipe 14, from interior on the inner wall of the front exhaust pipe 3 and middle exhaust pipe 14
To thermal insulation layer 4 and muffle coating 7 is disposed with outside, the tail portion of the middle exhaust pipe 14 is provided with grain catcher 6, described
The rear of grain catcher 6 be provided with heel row tracheae 13, be provided with muffle coating 7 on the inner wall of the heel row tracheae 13,
The middle part of the heel row tracheae 13 is provided with muffler 8, and the tail portion of the heel row tracheae 13 is provided with exhaust outlet 10, described
The inside of exhaust outlet 10 be provided with filter screen 9, the lower section of the ternary catalyzing unit 5 and the top of grain catcher 6 are all provided with
Be equipped with damper 11, the damper 11 is respectively connected with extension 12, the extension 12 be attached to middle exhaust pipe 14,
The surface of grain trap 6, heel row tracheae 13 and muffler 8；The retainer plate 2 is made of perfluoroelastomers；The noise reduction
Coating 7 is acrylic resin paint coating；The filter screen 9 is cystidium, is internally provided with adsorption layer；The ternary is urged
The catalyst for changing the redox reaction in device 5 is Pt-Rh.
The beneficial effects of the utility model are: the utility model is provided with retainer plate between engine and connector, Gu
Fixed circle is made of perfluoroelastomers, has good chemical property and high temperature resistant property, again can not while enhancing its leakproofness
It chemically reacts therewith, generates new exhaust emission；Ternary catalyzing unit is by oxidation and reduction reaction, by Oxidation of Carbon Monoxide
At carbon dioxide, hydrocarbon is oxidized to water and carbon dioxide, and oxynitrides is reduced into nitrogen and oxygen；By three kinds
Pernicious gas all becomes innocuous gas；And three-way catalyst is minimum to react when 350 degrees Celsius, temperature is too low
When, transfer efficiency sharply declines；Therefore, it is provided with thermal insulation layer on the inner wall of front exhaust pipe and middle exhaust pipe, thermal insulation layer is by receiving
Solid special energy-saving nanometer micropore heat-barrier material is made in rice silica and lanthanum hexaboride, and lanthanum hexaboride is infrared ray barrier material, because
This, can effectively prevent scattering and disappearing for heat, and the thermal energy that engine generates is applied to ternary catalyzing unit, improves its catalytic efficiency；
Muffle coating is provided on the inner wall of front exhaust pipe, middle exhaust pipe and heel row tracheae, muffle coating is acrylic resin paint
Coating has and inhibits shell structure vibration, structure borne sonic propagation and noise radiation, has good noise elimination, damping effect, simultaneously
Also with heat-insulated, sound absorption, antirust, anticorrosion, the service life for extending metal；The filter screen of the inside setting of exhaust outlet is cryptomere
Body is internally provided with adsorption layer, can carry out secondary cleaning to exhaust gas, keep cleaning efficiency higher, and can be according to specifically used feelings
Condition is replaced；The setting of damper and extension can largely reduce the vibration of exhaust pipe, prolong its service life；
Ternary catalyzing unit, grain catcher and damper can select suitable model as the case may be；To sum up, the utility model
Have the advantages that cleaning effect is good, damping suction is made an uproar, long service life.
Claims (5)
1. a kind of automobile exhaust pipe, it includes connector, it is characterised in that: retainer plate is provided in the connector, it is described
Connector below be connected with front exhaust pipe, the tail portion of the front exhaust pipe is provided with ternary catalyzing unit, the ternary
The rear of catalyst converter is provided with middle exhaust pipe, is disposed with from inside to outside on the inner wall of the front exhaust pipe and middle exhaust pipe
Thermal insulation layer and muffle coating, the tail portion of the middle exhaust pipe are provided with grain catcher, the rear of the grain catcher
It is provided with heel row tracheae, muffle coating, the middle part setting of the heel row tracheae are provided on the inner wall of the heel row tracheae
There is muffler, the tail portion of the heel row tracheae is provided with exhaust outlet, and filter screen is provided on the inside of the exhaust outlet, described
Ternary catalyzing unit lower section and grain catcher above be provided with damper, the damper is respectively connected with extension
Pipe, the extension are attached to the surface of middle exhaust pipe, grain catcher, heel row tracheae and muffler.
2. a kind of automobile exhaust pipe according to claim 1, it is characterised in that: the retainer plate is by perfluoroelastomers system
At.
3. a kind of automobile exhaust pipe according to claim 1, it is characterised in that: the muffle coating is acrylic resin
Paint coatings.
4. a kind of automobile exhaust pipe according to claim 1, it is characterised in that: the filter screen is cystidium, internal
It is provided with adsorption layer.
5. a kind of automobile exhaust pipe according to claim 1, it is characterised in that: the oxidation in the ternary catalyzing unit is also
The catalyst of original reaction is Pt-Rh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801383.2U CN209586483U (en) | 2018-11-02 | 2018-11-02 | A kind of automobile exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801383.2U CN209586483U (en) | 2018-11-02 | 2018-11-02 | A kind of automobile exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209586483U true CN209586483U (en) | 2019-11-05 |
Family
ID=68376255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821801383.2U Active CN209586483U (en) | 2018-11-02 | 2018-11-02 | A kind of automobile exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209586483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184877A (en) * | 2018-11-02 | 2019-01-11 | 禹州市竹园机械制造有限公司 | A kind of automobile exhaust pipe |
-
2018
- 2018-11-02 CN CN201821801383.2U patent/CN209586483U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184877A (en) * | 2018-11-02 | 2019-01-11 | 禹州市竹园机械制造有限公司 | A kind of automobile exhaust pipe |
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