CN207795339U - A kind of automobile exhaust muffler - Google Patents
A kind of automobile exhaust muffler Download PDFInfo
- Publication number
- CN207795339U CN207795339U CN201721682694.7U CN201721682694U CN207795339U CN 207795339 U CN207795339 U CN 207795339U CN 201721682694 U CN201721682694 U CN 201721682694U CN 207795339 U CN207795339 U CN 207795339U
- Authority
- CN
- China
- Prior art keywords
- noise elimination
- pipe
- hush tube
- air inlet
- core pipe
- 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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Classifications
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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
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a kind of automobile exhaust mufflers, including muffler body, the muffler body is wholely set by tail gas air inlet pipe, exhaust pipe and hush tube, the tail gas air inlet pipe and exhaust pipe are separately mounted on the opposite both ends of hush tube, it is provided with air inlet in the air inlet pipe, it is provided with exhaust outlet on the exhaust pipe, the hush tube includes the sound proofing enclosure installed on the outside of hush tube, the inside of the hush tube is equipped with noise elimination core pipe, and multiple noise elimination micropores are evenly distributed in the noise elimination core pipe.The utility model may be implemented to the noise elimination during automobile exhaust, and noise pollution caused by reducing automobile exhaust has good noise elimination effect by being combined with resistance noise reduction reactive muffling to basic, normal, high frequency noise；And vibrator applies vibration to ensure that the unobstructed and use inorganic glass fiber material of noise elimination micropore absorbs sound in core pipe, is further ensured that the noise elimination quality and service life of silencer to noise elimination core pipe.
Description
Technical field
The utility model is related to technical field of automobile parts, specially a kind of automobile exhaust muffler.
Background technology
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
It is exactly such a device of life, exhaust silencer for reduction exhaust noise that limit value, which has stringent regulation, exhaust silencer,
Effect be exactly noise is eliminated by the pulsation for the pressure at expulsion that reduces, decays, but existing silencer using reactive muffling or
Person's resistance noise reduction is poor to automobile tail gas noise elimination effect and silencer uses easily cause the solid contained in vehicle exhaust for a long time
Particle blocks noise elimination micropore, and the organic sound-absorbing material used is very fast using consumption in high temperature automotive tail gas, leads to silencer
Preferable noise elimination effect is not achieved.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of automobile exhaust noise elimination
Device.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
A kind of automobile exhaust muffler of the utility model, including muffler body, the muffler body is by tail gas air inlet
Pipe, exhaust pipe and hush tube are wholely set, and the tail gas air inlet pipe and exhaust pipe are separately mounted to hush tube
On opposite both ends, it is provided with air inlet in the air inlet pipe, exhaust outlet, the hush tube are provided on the exhaust pipe
Include the sound proofing enclosure installed on the outside of hush tube, the inside of the hush tube is equipped with noise elimination core pipe, in the noise elimination core pipe
It is even that multiple noise elimination micropores are distributed with, cavity is formed between the noise elimination core pipe and sound proofing enclosure, and multiple gold are installed in cavity
Belong to partition board, cavity is separated into multiple resonant cavities, sound-absorbing material is filled in the resonant cavity by the metal partion (metp).
Preferably, vibrator is installed on the inner wall of the noise elimination core pipe, and the vibrator is mounted on noise elimination core
The center of pipe.
Preferably, the sound-absorbing material uses inorganic glass fiber material.
Preferably, the surface of the metal partion (metp) and noise elimination core pipe is coated with catalyst.
Preferably, the sound proofing enclosure is made of high-quality stainless steel material.
The advantageous effect that the utility model is reached is：This kind of automobile exhaust muffler, it is simple in structure, it is easy to use, it can
To realize to the noise elimination during automobile exhaust, noise pollution caused by reducing automobile exhaust to the full extent, by by resistance
Noise elimination is combined with resistance noise reduction, has good noise elimination effect to basic, normal, high frequency noise；And vibrator is to noise elimination core pipe
Apply vibration to ensure that the unobstructed and use inorganic glass fiber material of noise elimination micropore absorbs sound in core pipe, is further ensured that silencer
Noise elimination quality and service life, have good Social benefit and economic benefit, be suitble to promote the use of.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the muffler body structure sectional view of the utility model；
Fig. 3 is the noise elimination core pipe structural schematic diagram of the utility model.
In figure：1, muffler body；2, tail gas air inlet pipe；21, air inlet；3, exhaust pipe；31, exhaust outlet；4, disappear
Sound pipe；41, sound proofing enclosure；5, noise elimination core pipe；51, noise elimination micropore；6, metal partion (metp)；7, resonant cavity；8, sound-absorbing material；9, it vibrates
Device.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment
As shown in Figs. 1-3, a kind of automobile exhaust muffler, including muffler body 1, the muffler body 1 is by tail gas
Air inlet pipe 2, exhaust pipe 3 and hush tube 4 are wholely set, and the tail gas air inlet pipe 2 and exhaust pipe 3 are installed respectively
On the opposite both ends of hush tube 4, it is provided with air inlet 21 in the air inlet pipe 2, exhaust is provided on the exhaust pipe 3
Mouth 31, the hush tube 4 include the sound proofing enclosure 41 that 4 outside of hush tube is installed, and the inside of the hush tube 4 is equipped with noise elimination core
Pipe 5 is evenly distributed with multiple noise elimination micropores 51 in the noise elimination core pipe 5, is formed between the noise elimination core pipe 5 and sound proofing enclosure 41
Cavity, and multiple metal partion (metp)s 6 are installed in cavity, cavity is separated into multiple resonant cavities 7 by the metal partion (metp) 6, described total
The chamber 7 that shakes is interior to be filled with sound-absorbing material 8.
Vibrator 9 is installed on the inner wall of the noise elimination core pipe 5, and the vibrator 9 is mounted on noise elimination core pipe 5
Center applies vibration to noise elimination core pipe 5 to ensure the unobstructed of noise elimination micropore 51 in core pipe by vibrator 9, avoids silencer long
Time uses solid particle in tail gas to block noise elimination micropore 51, and the sound-absorbing material 8 uses inorganic glass fiber material, use
Inorganic glass fiber material has good insulating, the characteristic that heat resistance is strong, corrosion resistance is good, makes sound-absorbing material 8 in automobile high temperature
There is longer service life in exhaust gas sound-deadening use, be further ensured that the noise elimination quality of silencer, the metal partion (metp) 6 and disappear
The surface of sound core pipe 5 is coated with catalyst, promotes the activity of compound in tail gas, it is promoted to carry out certain redox chemistry
Reaction reduces the pollution of exhaust emissions, and the sound proofing enclosure 41 is made of high-quality stainless steel material, and service life is long.
Operation principle：This kind of automobile exhaust muffler, when in use, vehicle exhaust by tail gas air inlet pipe 2 air inlet 21
Into in hush tube 4, tail gas is entered by the noise elimination micropore 51 in noise elimination core pipe 5 outside noise elimination core pipe 5 and sound insulation in hush tube 4
In each resonant cavity 7 between shell 41, resonance makes sound wave that reflection and interference occur when propagating, and reaches to reducing acoustic energy and disappears
Sound purpose, and noise elimination is further realized by the sound absorption of inorganic glass fiber material in resonant cavity 7, it is realized here by reactive muffling
It is combined with resistance noise reduction, has good noise elimination effect to basic, normal, high frequency noise, noise elimination core pipe 5 is applied by vibrator 9
Vibration is added to be detached from the particle vibration in noise elimination micropore 51 to ensure the unobstructed of noise elimination micropore 51 in core pipe, when avoiding silencer long
Between block noise elimination micropore 51 using solid particle in tail gas and influence noise elimination quality, and the inorganic glass fiber material used has
The characteristic that good insulating, heat resistance are strong, corrosion resistance is good, make sound-absorbing material 8 in automobile high-temperature tail gas noise elimination use have compared with
Long service life, is further ensured that the noise elimination quality of silencer, last vehicle exhaust by exhaust pipe 3 31 row of exhaust outlet
Go out.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of automobile exhaust muffler, including muffler body（1）, it is characterised in that：The muffler body（1）By tail gas
Air inlet pipe（2）, exhaust pipe（3）And hush tube（4）It is wholely set, the tail gas air inlet pipe（2）And exhaust pipe
（3）It is separately mounted to hush tube（4）On opposite both ends, the air inlet pipe（2）On be provided with air inlet（21）, the tail gas row
Tracheae（3）On be provided with exhaust outlet（31）, the hush tube（4）Including hush tube（4）The sound proofing enclosure of outside installation（41）, institute
State hush tube（4）Inside noise elimination core pipe is installed（5）, the noise elimination core pipe（5）On be evenly distributed with multiple noise elimination micropores
（51）, the noise elimination core pipe（5）And sound proofing enclosure（41）Between form cavity, and multiple metal partion (metp)s are installed in cavity（6）,
The metal partion (metp)（6）Cavity is separated into multiple resonant cavities（7）, the resonant cavity（7）It is interior to be filled with sound-absorbing material（8）.
2. a kind of automobile exhaust muffler according to claim 1, it is characterised in that：The noise elimination core pipe（5）Inner wall
On be installed with vibrator（9）, and the vibrator（9）Mounted on noise elimination core pipe（5）Center.
3. a kind of automobile exhaust muffler according to claim 1, it is characterised in that：The sound-absorbing material（8）Using nothing
Machine glass fiber material.
4. a kind of automobile exhaust muffler according to claim 1, it is characterised in that：The metal partion (metp)（6）And noise elimination
Core pipe（5）Surface be coated with catalyst.
5. a kind of automobile exhaust muffler according to claim 1, it is characterised in that：The sound proofing enclosure（41）Using excellent
Matter stainless steel material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682694.7U CN207795339U (en) | 2017-12-06 | 2017-12-06 | A kind of automobile exhaust muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682694.7U CN207795339U (en) | 2017-12-06 | 2017-12-06 | A kind of automobile exhaust muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207795339U true CN207795339U (en) | 2018-08-31 |
Family
ID=63283080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721682694.7U Expired - Fee Related CN207795339U (en) | 2017-12-06 | 2017-12-06 | A kind of automobile exhaust muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207795339U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979793A (en) * | 2018-09-26 | 2018-12-11 | 江苏七天环保科技有限公司 | The silencer of vehicle exhaust can be purified |
| CN110242816A (en) * | 2019-06-24 | 2019-09-17 | 空气动力学国家重点实验室 | A kind of muffler for eliminating discrete high frequency howling |
| CN110861628A (en) * | 2019-11-29 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | Airflow silencer and unloading valve with same |
| CN113217143A (en) * | 2021-04-13 | 2021-08-06 | 中国人民解放军军事科学院国防工程研究院 | Indirect cooling type high-temperature exhaust muffler device |
| CN113729535A (en) * | 2020-05-27 | 2021-12-03 | 厦门优胜卫厨科技有限公司 | Drying device of electronic toilet |
| CN114352835A (en) * | 2021-12-28 | 2022-04-15 | 无锡昌发电力机械有限公司 | High-efficient blowpipe silencer |
-
2017
- 2017-12-06 CN CN201721682694.7U patent/CN207795339U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979793A (en) * | 2018-09-26 | 2018-12-11 | 江苏七天环保科技有限公司 | The silencer of vehicle exhaust can be purified |
| CN110242816A (en) * | 2019-06-24 | 2019-09-17 | 空气动力学国家重点实验室 | A kind of muffler for eliminating discrete high frequency howling |
| CN110861628A (en) * | 2019-11-29 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | Airflow silencer and unloading valve with same |
| CN113729535A (en) * | 2020-05-27 | 2021-12-03 | 厦门优胜卫厨科技有限公司 | Drying device of electronic toilet |
| CN113729535B (en) * | 2020-05-27 | 2023-09-08 | 厦门优胜卫厨科技有限公司 | Drying device of electronic toilet |
| CN113217143A (en) * | 2021-04-13 | 2021-08-06 | 中国人民解放军军事科学院国防工程研究院 | Indirect cooling type high-temperature exhaust muffler device |
| CN114352835A (en) * | 2021-12-28 | 2022-04-15 | 无锡昌发电力机械有限公司 | High-efficient blowpipe silencer |
| CN114352835B (en) * | 2021-12-28 | 2023-09-08 | 无锡昌发电力机械有限公司 | High-efficient blowpipe silencer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20201206 |