CN204703993U - A kind of automobile noise reduction environment-protective exhaust device - Google Patents
A kind of automobile noise reduction environment-protective exhaust device Download PDFInfo
- Publication number
- CN204703993U CN204703993U CN201520345775.2U CN201520345775U CN204703993U CN 204703993 U CN204703993 U CN 204703993U CN 201520345775 U CN201520345775 U CN 201520345775U CN 204703993 U CN204703993 U CN 204703993U
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- knockout drum
- cylindrical shell
- outlet
- thin
- suction tude
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Abstract
The utility model discloses a kind of automobile noise reduction environment-protective exhaust device, comprise Inlet muffler, cylindrical shell, outlet noise silencer and washing centrifugal device, described Inlet muffler penetrates in cylindrical shell by left fitting inlet, outlet noise silencer penetrates in cylindrical shell by right connector entrance, the part that Inlet muffler and outlet noise silencer load cylindrical shell is provided with silencing apparatus aperture, and cylinder inboard wall is provided with projection; Described outlet noise silencer is fixed with suction tude by Flange joint, suction tude has been welded to connect cylindrical shape knockout drum, tangent direction above the sidewall that suction tude is arranged on knockout drum and along sidewall is arranged, be provided with installation outlet pipe in its axial direction above knockout drum, the lower end of outlet pipe is stretched in knockout drum; The utility model weakens sound wave by outlet pipe, reduces gas velocity, reduces noise, is effectively separated and removes the particle in tail gas, and reducing the temperature of tail gas.
Description
Technical field
The utility model relates to a kind of auto parts machinery, specifically a kind of automobile noise reduction environment-protective exhaust device.
Background technique
Current Motor Vehicle is many convenience that the mankind bring as the means of transportation that people are main, but along with the sharply increase of Motor Vehicle particularly automobile pollution, development for city brings certain atmospheric pollution, toxic emission in motor-vehicle tail-gas accounts for more than 40%, become main pollution source, wherein containing harmful gas and flue dust such as a large amount of CO, HC, be detrimental to health.At present by the quality improving catalytic reactor, EGR Technology, engine technology, fuel qualities improve air, particularly adopt three-way catalytic converter.Concrete way is that the waste gas in outlet pipe is directed into this device, utilize the platinum, palladium, rhodium etc. of the hot properties of waste gas itself and device inside as catalyzer, make CO, NOx, HC that chemical reaction occur, be converted into CO2, N2, H2O etc. that personage is not directly endangered, but three-way catalytic converter well can not remove the particle in tail gas, these particles can have a strong impact on the air quality in city equally, therefore further separating particles on the basis of three-way catalytic converter is badly in need of, to improve air quality further.
Model utility content
The purpose of this utility model is to provide a kind of automobile noise reduction environment-protective exhaust device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of automobile noise reduction environment-protective exhaust device, comprise Inlet muffler, cylindrical shell, outlet noise silencer and washing centrifugal device, described Inlet muffler penetrates in cylindrical shell by left fitting inlet, outlet noise silencer penetrates in cylindrical shell by right connector entrance, the part that Inlet muffler and outlet noise silencer load cylindrical shell is provided with silencing apparatus aperture, and cylinder inboard wall is provided with projection; Described inner barrel has shifted to install the first thin-walled inner bag, the second thin-walled inner bag and the 3rd thin-walled inner bag successively, first thin-walled inner bag, the second thin-walled inner bag are connected with cylindrical shell with the 3rd dividing plate respectively by the first dividing plate, second partition with the 3rd thin-walled inner bag, and cylindrical shell is from left to right divided into four chambers by the first dividing plate, second partition and the 3rd dividing plate; Described outlet noise silencer is connected with washing centrifugal device, and washing centrifugal device comprises cylindrical shape knockout drum; Described outlet noise silencer is fixed with suction tude by Flange joint, suction tude has been welded to connect cylindrical shape knockout drum, tangent direction above the sidewall that suction tude is arranged on knockout drum and along sidewall is arranged, installation outlet pipe is in its axial direction provided with above knockout drum, the lower end of outlet pipe is stretched in knockout drum, and the sidewall of outlet pipe is provided with helical baffles; The direction of the spiral of deflection plate is identical with suction tude direction; Wash water is equipped with in the bottom of described knockout drum, in an inverted cone bottom knockout drum, and the position of cone point is provided with shower nozzle, and shower nozzle camber is arranged, and shower nozzle is connected in suction tude by arm, and the top of knockout drum is provided with a water-supplying mouth, is provided with sewage draining exit bottom arm.
Further, the gap of described Inlet muffler and left joint is sealed by puigging.
Further, the gap of described outlet noise silencer and right connector is sealed by puigging.
Further, described shower nozzle and wash water water surface spacing are 1cm.
Further, described water-supplying mouth is connected to radiator by flanged pipe.
Compared with prior art, acoustic energy of the present utility model rubs and changes into thermal energy consumption and dissipate in the hole of porous material, makes to be weakened by the sound wave of outlet pipe, again reduces gas velocity, reduces noise; Second thin-walled inner bag and the first thin-walled inner bag setting position sequence, airflow direction is changed greatly, and gas direction is repeatedly break-in in project organization, can reduce noise largely; 3rd thin-walled inner bag and the second thin-walled inner bag, misplace less, can smooth in exhaust when ensureing low high speed, gas is through two remaining chambers, enter outlet noise silencer outlet noise silencer tube wall arranged distribution and have silencing apparatus aperture, be conducive to again making the sound wave by outlet pipe weaken, finally make gas leave outlet pipe with minimum sound; Adopt three thin-walled inner bags, three thin-walled inner bags make whole outlet pipe be divided into four relatively little spaces, make gas have five comparatively general orientation changes simultaneously, can ensure that noise reduction is good; After tail gas is discharged from outlet noise silencer, be divided into two parts, major part tail gas enters knockout drum along suction tude, fraction tail gas enters shower nozzle along arm, shower nozzle is heaved a large amount of water smoke and is filled the air in knockout drum from wash water, and the tail gas that suction port enters rotates deceleration along knockout drum sidewall, and the particle in this part tail gas is combined with water smoke and becomes heavy, then be thrown to knockout drum sidewall to separate, clean tail gas enters air after knockout drum discharged by outlet pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation of automobile noise reduction environment-protective exhaust device.
Embodiment
Be described in more detail below in conjunction with the technological scheme of embodiment to this patent.
Refer to Fig. 1, a kind of automobile noise reduction environment-protective exhaust device, comprise Inlet muffler 1, cylindrical shell 2, outlet noise silencer 3 and washing centrifugal device 6, described Inlet muffler 1 penetrates in cylindrical shell 2 by left joint 11 entrance, outlet noise silencer 3 penetrates in cylindrical shell 2 by right connector 31 entrance, the part that Inlet muffler 1 and outlet noise silencer 3 load cylindrical shell 2 is provided with silencing apparatus aperture 4, and cylindrical shell 2 inwall is provided with projection 21; Described cylindrical shell 2 inside has shifted to install the first thin-walled inner bag 22, second thin-walled inner bag 23 and the 3rd thin-walled inner bag 24 successively, first thin-walled inner bag 22, second thin-walled inner bag 23 is connected with cylindrical shell 2 with the 3rd dividing plate 241 respectively by the first dividing plate 221, second partition 231 with the 3rd thin-walled inner bag 24, and cylindrical shell 2 is from left to right divided into four chambers 5 by the first dividing plate 221, second partition 231 and the 3rd dividing plate 241; Acoustic energy rubs and changes into thermal energy consumption and dissipate in the hole of porous material, makes to be weakened by the sound wave of outlet pipe, again reduces gas velocity, reduces noise; Second thin-walled inner bag 23 and the first thin-walled inner bag 22 setting position sequence, airflow direction is changed greatly, and gas direction is repeatedly break-in in project organization, can reduce noise largely; 3rd thin-walled inner bag 24 and the second thin-walled inner bag 23, misplace less, can smooth in exhaust when ensureing low high speed, gas is through two remaining chambers 5, enter outlet noise silencer 3 outlet noise silencer 3 tube wall arranged distribution and have silencing apparatus aperture 4, be conducive to again making the sound wave by outlet pipe weaken, finally make gas leave outlet pipe with minimum sound; Adopt three thin-walled inner bags, three thin-walled inner bags make whole outlet pipe be divided into four relatively little spaces, make gas have five comparatively general orientation changes simultaneously, can ensure that noise reduction is good; Described outlet noise silencer 3 is connected with washing centrifugal device 6, and washing centrifugal device 6 comprises cylindrical shape knockout drum 62; Described outlet noise silencer 3 is fixed with suction tude 61 by Flange joint, suction tude 61 has been welded to connect cylindrical shape knockout drum 62, tangent direction above the sidewall that suction tude 61 is arranged on knockout drum 62 and along sidewall is arranged, installation outlet pipe 63 is in its axial direction provided with above knockout drum 62, the lower end of outlet pipe 63 is stretched in knockout drum 62, the sidewall of outlet pipe 63 is provided with helical baffles 64; The direction of the spiral of deflection plate 64 is identical with suction tude 61 direction, to guide tail gas better along knockout drum 62 sidewall rotating centrifugal; Wash water is equipped with in the bottom of described knockout drum 62, in an inverted cone bottom knockout drum 62, the position of cone point is provided with shower nozzle 65, shower nozzle 65 camber is arranged, and flooded by wash water, preferred distance is shower nozzle 65 is 1cm with wash water water surface spacing, and shower nozzle 65 is connected in suction tude 61 by arm 66, makes the particle that is combined with water smoke more easily separated; The top of knockout drum 62 is provided with a water-supplying mouth 68, and this water-supplying mouth 68 is connected to radiator by flanged pipe, obtains certain compensation to make wash water; Be provided with sewage draining exit 67 bottom described arm 66, so that wash water can be emitted timely, avoid particle 2 to gather in knockout drum 62; After tail gas is discharged from outlet noise silencer 3, be divided into two parts, major part tail gas enters knockout drum 62 along suction tude, fraction tail gas enters shower nozzle 65 along arm, shower nozzle 65 is heaved a large amount of water smoke and is filled the air in knockout drum 62 from wash water, and the tail gas that suction port enters rotates deceleration along knockout drum 62 sidewall, and the particle in this part tail gas is combined with water smoke and becomes heavy, then be thrown to knockout drum 62 sidewall to separate, clean tail gas enters air after knockout drum 62 discharged by outlet pipe 63.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned mode of execution, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (5)
1. an automobile noise reduction environment-protective exhaust device, comprise Inlet muffler, cylindrical shell, outlet noise silencer and washing centrifugal device, it is characterized in that, described Inlet muffler penetrates in cylindrical shell by left fitting inlet, outlet noise silencer penetrates in cylindrical shell by right connector entrance, the part that Inlet muffler and outlet noise silencer load cylindrical shell is provided with silencing apparatus aperture, and cylinder inboard wall is provided with projection; Described inner barrel has shifted to install the first thin-walled inner bag, the second thin-walled inner bag and the 3rd thin-walled inner bag successively, first thin-walled inner bag, the second thin-walled inner bag are connected with cylindrical shell with the 3rd dividing plate respectively by the first dividing plate, second partition with the 3rd thin-walled inner bag, and cylindrical shell is from left to right divided into four chambers by the first dividing plate, second partition and the 3rd dividing plate; Described outlet noise silencer is connected with washing centrifugal device, and washing centrifugal device comprises cylindrical shape knockout drum; Described outlet noise silencer is fixed with suction tude by Flange joint, suction tude has been welded to connect cylindrical shape knockout drum, tangent direction above the sidewall that suction tude is arranged on knockout drum and along sidewall is arranged, installation outlet pipe is in its axial direction provided with above knockout drum, the lower end of outlet pipe is stretched in knockout drum, and the sidewall of outlet pipe is provided with helical baffles; The direction of the spiral of deflection plate is identical with suction tude direction; Wash water is equipped with in the bottom of described knockout drum, in an inverted cone bottom knockout drum, and the position of cone point is provided with shower nozzle, and shower nozzle camber is arranged, and shower nozzle is connected in suction tude by arm, and the top of knockout drum is provided with a water-supplying mouth, is provided with sewage draining exit bottom arm.
2. a kind of automobile noise reduction environment-protective exhaust device according to claim 1, it is characterized in that, the gap of described Inlet muffler and left joint is sealed by puigging.
3. a kind of automobile noise reduction environment-protective exhaust device according to claim 1, it is characterized in that, the gap of described outlet noise silencer and right connector is sealed by puigging.
4. a kind of automobile noise reduction environment-protective exhaust device according to claim 1, is characterized in that, described shower nozzle and wash water water surface spacing are 1cm.
5. a kind of automobile noise reduction environment-protective exhaust device according to claim 1, it is characterized in that, described water-supplying mouth is connected to radiator by flanged pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345775.2U CN204703993U (en) | 2015-05-26 | 2015-05-26 | A kind of automobile noise reduction environment-protective exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345775.2U CN204703993U (en) | 2015-05-26 | 2015-05-26 | A kind of automobile noise reduction environment-protective exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204703993U true CN204703993U (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345775.2U Expired - Fee Related CN204703993U (en) | 2015-05-26 | 2015-05-26 | A kind of automobile noise reduction environment-protective exhaust device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204703993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006915A (en) * | 2021-03-26 | 2021-06-22 | 重庆汽车消声器有限责任公司 | Noise-reduction environment-friendly silencer for small-tonnage internal combustion engine |
-
2015
- 2015-05-26 CN CN201520345775.2U patent/CN204703993U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006915A (en) * | 2021-03-26 | 2021-06-22 | 重庆汽车消声器有限责任公司 | Noise-reduction environment-friendly silencer for small-tonnage internal combustion engine |
| CN113006915B (en) * | 2021-03-26 | 2022-08-02 | 重庆汽车消声器有限责任公司 | Noise-reduction environment-friendly silencer for small-tonnage internal combustion engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160526 |