CN201250687Y - Stepped-hole structured noise-reduction smoke-abatement muffler - Google Patents
Stepped-hole structured noise-reduction smoke-abatement muffler Download PDFInfo
- Publication number
- CN201250687Y CN201250687Y CNU2008200155036U CN200820015503U CN201250687Y CN 201250687 Y CN201250687 Y CN 201250687Y CN U2008200155036 U CNU2008200155036 U CN U2008200155036U CN 200820015503 U CN200820015503 U CN 200820015503U CN 201250687 Y CN201250687 Y CN 201250687Y
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- hole
- bloop
- hemizonid
- inner core
- noise reduction
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Abstract
The utility model discloses a stepped-hole structured noise-reduction smoke-abatement muffler, which is a device used for purifying exhaust of gasoline engines and diesel engines and discharging and muffling, particularly being suitable for exhaust purification of autos and exhaust discharge and sound dampening of auto engines. The muffler comprises a shell and an inner cylinder, and is characterized by also comprising a vane wheel, an acoustic barrier and a hemizonid soundproof substrate. The periphery of the vane wheel is provided with a liquid suspension steel mesh, an acoustic panel and the hemizonid soundproof substrate are provided with a stepped-hole structured bloop; taper transitional pores are arranged at the front end of the first hole of the stepped-hole structured bloop and between the holes; the stepped-hole structured bloop is internally provided with a cone and a sound wave spreader plate; a sound panel and the inner cylinder are provided an acoustic taper hole; a liquid storage tank is positioned at the lower part between the shell and the inner cylinder. The utility model integrates the exhaust purification of autos and exhaust discharge and sound dampening of auto engines, realizing the integration of exhaust discharge and sound dampening, and has the advantages of simple and practical structure, easy installation, low manufacture cost, and good acoustic absorption and noise reduction effect.
Description
Technical field
The utility model relates to a kind of muffler, is used for the tail gas clean-up processing of petrol engine and diesel engine and the device of exhaust noise silencing, is particularly useful for the device of purifying vehicle exhaust processing and automobile engine to exhaust noise reduction.
Background technique
Vehicle exhaust and noise are two big public hazards of the world today, and a large amount of waste gas and noise pollution fine environment, and increasing vehicle exhaust and noise are being encroached on human beings'health.At present, vehicle exhaust generally adopts the preceding purified treatment mode that adds additive of burning, owing to contain a large amount of chemical substances in the additive, can cause the local etching of motor car engine, reduces the working life of motor car engine; This in addition purified treatment mode can not be handled the vehicle exhaust that secondary combustion produces; Existing muffler all is single silencer, adopts acoustical cotton sound-absorbing mode mostly, and its sound-damping qualities is low, and acoustical cotton is easily aging under high temperature action, and working life is short, and acoustical cotton can cause secondary pollution to environment.
Summary of the invention
The purpose of this utility model is in order to improve existing purifying vehicle exhaust processing mode and automobile engine to exhaust noise reduction mode, a kind of shoulder hole structure noise reduction smoke abatement baffler has been proposed, be intended to purifying vehicle exhaust processing and automobile engine to exhaust noise reduction are united two into one, adopt the extension liquid steel wire of impeller outer edge setting and hierarchic structure bloop to come behind the purification of combustion vehicle exhaust and eliminate the noise that motor produces, in the hope of the purified treatment ability that improves vehicle exhaust and the sound-absorbing amount of exhaust shock absorber.
Technical solution of the present utility model is achieved in that
A kind of shoulder hole structure noise reduction smoke abatement baffler, comprise housing and inner core, it is characterized in that: also comprise impeller, noise barrier and hemizonid sound insulation matrix, described inner core two ends are provided with air induction mast and bend pipe micropore exhaust pipe, impeller is installed in air induction mast and exports on the inner support that is provided with of a side body, impeller outer edge is equipped with hangs the liquid steel wire, support is separately fixed on housing and the inner core, noise barrier is made of acoustic board, acoustical panel and rear board, acoustic board, acoustical panel and rear board are fixedlyed connected, and noise barrier is installed in the upper and lower of inner core respectively; Hemizonid sound insulation matrix is equipped with on top between housing and the inner core, be evenly equipped with the hierarchic structure bloop respectively on acoustical panel and the hemizonid sound insulation matrix, be provided with the transition taper hole between the front end in first hole of hierarchic structure bloop and each hole, hierarchic structure bloop interior edge face is provided with circular cone, is provided with the sound wave flow distribution plate between the hole wall in last hole of hierarchic structure bloop and the circular cone side; Be evenly equipped with the sound-absorbing taper hole respectively on the surface of contact of acoustic board plate face and inner core and hemizonid sound insulation matrix, lower part of frame is provided with liquid storage tank, and the end face of bend pipe micropore exhaust pipe bottom inner core is provided with filling opening, and lower part of frame is provided with liquid port.
Described a kind of shoulder hole structure noise reduction smoke abatement baffler, it is characterized in that: the end of the circular cone that described hierarchic structure bloop interior edge face is provided with, overlap with hierarchic structure bloop interior edge face, and the bus of circular cone is on the elongation line of last taper hole profile line of transition taper hole.
Described a kind of shoulder hole structure noise reduction smoke abatement baffler, it is characterized in that: the sound wave flow distribution plate that is provided with between the hole wall in last hole of described hierarchic structure bloop and the circular cone side is along whole circumferentially uniform.
Described a kind of shoulder hole structure noise reduction smoke abatement baffler, it is characterized in that: the hole count of the hierarchic structure bloop that is provided with on described hemizonid sound insulation matrix and the acoustical panel is 2～5.
Described a kind of shoulder hole structure noise reduction smoke abatement baffler is characterized in that: described support is for circular, and support is provided with inlet hole, and the bottom of support is provided with inlet opening.
Described a kind of shoulder hole structure noise reduction smoke abatement baffler, it is characterized in that: be provided with Saxboard in the liquid storage tank of described lower housing portion, the bottom of Saxboard is provided with inlet opening.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model adopts burning after-purification processing mode, promptly export a side and be provided with impeller at air induction mast, impeller outer edge is provided with hangs the liquid steel wire, bottom between housing and the inner core is provided with liquid storage tank, thereby prolonged the working life of motor car engine, make the more thorough of vehicle exhaust processing simultaneously, and exhaust emissions reaches the exhaust emission standard of national regulation;
2, noise barrier of the present utility model and hemizonid sound insulation matrix adopting hierarchic structure bloop noise reduction mode have substituted traditional Sound-proof material noise reduction mode, thereby have improved the sound-damping qualities of muffler, have prolonged the working life of muffler;
3, the utility model adopts the extension liquid steel wire of impeller outer edge setting and hierarchic structure bloop to come behind the purification of combustion vehicle exhaust and eliminates the noise that motor produces, purifying vehicle exhaust processing and automobile engine to exhaust noise reduction are united two into one, thereby realized that purifying vehicle exhaust is handled and the automobile engine to exhaust noise reduction is integrated;
4, the utility model has the advantages that simple and practical, easy for installation, low cost of manufacture, absorbing sound and lowering noise is effective.
Description of drawings
The utility model drawings attached six width of cloth, wherein:
Fig. 1 is the plan view of shoulder hole structure noise reduction smoke abatement baffler;
Fig. 2 is the sectional drawing of Fig. 1;
Fig. 3 is the sectional drawing of Fig. 1;
Fig. 4 is the sectional drawing of Fig. 1;
Fig. 5 is the enlarged view of Fig. 1;
Fig. 6 is the enlarged view of Fig. 4.
Among the figure: 1, air induction mast, 2, impeller, 3, hang the liquid steel wire, 4, support, 5, housing, 6, hemizonid sound insulation matrix, 7, inner core, 8, noise barrier, 9, bend pipe micropore exhaust pipe, 10, liquid storage tank, 11, inlet hole, 12, inlet opening, 13, acoustic board, 14, acoustical panel, 15, rear board, 16, the transition taper hole, 17, hierarchic structure bloop, 18, the sound-absorbing taper hole, 19, Saxboard, 20, filling opening, 21, liquid port, 22, circular cone, 23, the sound wave flow distribution plate.
Embodiment
As Fig. 1～1 one kinds of shoulder hole structure noise reduction smoke abatement bafflers shown in Figure 6, comprise air induction mast 1, housing 5, inner core 7, bend pipe micropore exhaust pipe 9, impeller 2, noise barrier 8 and hemizonid sound insulation matrix 6, air induction mast 1 is welded on the front-end face of housing 5, for smoke abatement, the utility model is provided with impeller 2 and liquid storage tank 10, impeller 2 is installed on the air induction mast 1 outlet one side body 5 inner supports 4 that are provided with, impeller 2 outer rims are equipped with hangs liquid steel wire 3, support 4 is circular, support is provided with inlet hole 11, the bottom of support is provided with inlet opening 12, support 4 is welded on respectively on housing 5 and the inner core 7, and housing 5 bottoms are provided with liquid storage tank 10, in the liquid storage tank 10 smoke-removing liquid are housed, semi-circular Saxboard 19 is housed in the liquid storage tank 10, and Saxboard 19 bottoms are provided with inlet opening 12; For the noise reduction noise reduction, hemizonid sound insulation matrix 6 is equipped with on top between housing 5 of the present utility model and the inner core 7, be evenly equipped with hierarchic structure bloop 17 on the surface of hemizonid sound insulation matrix 6, the hole count of hierarchic structure bloop 17 is 3, be provided with transition taper hole 16 between the front end in hierarchic structure bloop 17 first holes and each hole, be evenly equipped with sound-absorbing taper hole 18 on the surface of contact of inner core 7 and hemizonid sound insulation matrix 6, hierarchic structure bloop 17 interior edge faces are provided with circular cone 22, the end of circular cone 22, overlap with hierarchic structure bloop 17 interior edge faces, and the bus of circular cone 22 is on the elongation line of transition taper hole 16 last taper hole profile line; Be provided with four sound wave flow distribution plates 23 between the hole wall in hierarchic structure bloop 17 last hole and circular cone 22 sides, four sound wave flow distribution plates 23 are along circumferentially uniform, and both sides link to each other with the hole wall and circular cone 22 sides in hierarchic structure bloop 17 last hole respectively, and the height of sound wave flow distribution plate 23 is lower than the height of circular cone 22; Noise barrier 8 is by acoustic board 13, acoustical panel 14 and rear board 15 constitute, acoustic board 13 plate faces are provided with matrix arrangement sound-absorbing taper hole 18, acoustical panel 14 whole plate faces are provided with the hierarchic structure bloop 17 of matrix arrangement, the hole count of hierarchic structure bloop 17 is 3, be respectively arranged with transition taper hole 16 between the front end in hierarchic structure bloop 17 first holes and each hole, hierarchic structure bloop 17 interior edge faces are provided with circular cone 22, the end of circular cone 22, overlap with hierarchic structure bloop 17 interior edge faces, and the bus of circular cone 22 is on the elongation line of transition taper hole 16 last taper hole profile line; Be provided with four sound wave flow distribution plates 23 between the hole wall in hierarchic structure bloop 17 last hole and circular cone 22 sides, four sound wave flow distribution plates 23 are along circumferentially uniform, and both sides link to each other with the hole wall and circular cone 22 sides in hierarchic structure bloop 17 last hole respectively, and the height of sound wave flow distribution plate 23 is lower than the height of circular cone 22; Acoustic board 13, acoustical panel 14 and rear board 15 are connected by bolt, four noise barriers 8 are installed in the upper and lower of inner core 7 respectively, housing 5 end faces of bend pipe micropore exhaust pipe 9 bottoms are provided with liquid feeding inlet 20, the bottom of housing 5 front ends is provided with liquid port 21, acoustical panel 14 of the present utility model and hemizonid sound insulation matrix 6 adopt the compacting of magnesium powder to form, high temperature resistant and low cost, miscellaneous part can adopt steel plate or corrosion resistant plate as required.
Claims (6)
1, a kind of shoulder hole structure noise reduction smoke abatement baffler, comprise housing (5) and inner core (7), it is characterized in that: also comprise impeller (2), noise barrier (8) and hemizonid sound insulation matrix (6), described inner core (7) two ends are provided with air induction mast (1) and bend pipe micropore exhaust pipe (9), impeller (2) is installed on the inner support (4) that is provided with of air induction mast (1) outlet one side body (5), impeller (2) outer rim is equipped with hangs liquid steel wire (3), support (4) is separately fixed on housing (5) and the inner core (7), noise barrier (8) is by acoustic board (13), acoustical panel (14) and rear board (15) constitute, acoustic board (13), acoustical panel (14) is fixedlyed connected with rear board (15), and noise barrier (8) is installed in the upper and lower of inner core (7) respectively; Hemizonid sound insulation matrix (6) is equipped with on top between housing (5) and the inner core (7), be evenly equipped with hierarchic structure bloop (17) respectively on acoustical panel (14) and the hemizonid sound insulation matrix (6), be provided with transition taper hole (16) between the front end in first hole of hierarchic structure bloop (17) and each hole, hierarchic structure bloop (17) interior edge face is provided with circular cone (22), is provided with sound wave flow distribution plate (23) between the hole wall in last hole of hierarchic structure bloop (17) and circular cone (22) side; Be evenly equipped with sound-absorbing taper hole (18) respectively on the surface of contact of acoustic board (13) plate face and inner core (7) and hemizonid sound insulation matrix (6), the bottom of housing (5) is provided with liquid storage tank (10), the end face of bend pipe micropore exhaust pipe (9) bottom inner core (7) is provided with filling opening (20), and the bottom of housing (5) is provided with liquid port (21).
2, a kind of shoulder hole structure noise reduction smoke abatement baffler according to claim 1, it is characterized in that: the end of the circular cone (22) that described hierarchic structure bloop (17) interior edge face is provided with, overlap with hierarchic structure bloop (7) interior edge face, and the bus of circular cone (22) is on the elongation line of last taper hole profile line of transition taper hole (16).
3, a kind of shoulder hole structure noise reduction smoke abatement baffler according to claim 1, it is characterized in that: the sound wave flow distribution plate (23) that is provided with between the hole wall in last hole of described hierarchic structure bloop (17) and circular cone (22) side is along whole circumferentially uniform.
4, a kind of shoulder hole structure noise reduction smoke abatement baffler according to claim 1 is characterized in that: the hole count that described hemizonid sound insulation matrix (6) and acoustical panel (14) are gone up the hierarchic structure bloop (17) that is provided with is 2～5.
5, a kind of shoulder hole structure noise reduction smoke abatement baffler according to claim 1 is characterized in that: described support (4) is for circular, and support is provided with inlet hole (11), and the bottom of support is provided with inlet opening (12).
6, a kind of shoulder hole structure noise reduction smoke abatement baffler according to claim 1, it is characterized in that: be provided with Saxboard (19) in the liquid storage tank (10) of described housing (5) bottom, the bottom of Saxboard (19) is provided with inlet opening (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200155036U CN201250687Y (en) | 2008-09-08 | 2008-09-08 | Stepped-hole structured noise-reduction smoke-abatement muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200155036U CN201250687Y (en) | 2008-09-08 | 2008-09-08 | Stepped-hole structured noise-reduction smoke-abatement muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250687Y true CN201250687Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200155036U Expired - Fee Related CN201250687Y (en) | 2008-09-08 | 2008-09-08 | Stepped-hole structured noise-reduction smoke-abatement muffler |
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| CN (1) | CN201250687Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447835A (en) * | 2017-09-14 | 2017-12-08 | 如皋福大工程技术研究院有限公司 | Multifunctional closestool |
| CN107574894A (en) * | 2017-09-14 | 2018-01-12 | 如皋福大工程技术研究院有限公司 | Closestool with deodorization functions |
| CN109707496A (en) * | 2018-12-28 | 2019-05-03 | 贵州大学 | A kind of automobile de-noising type tail gas discharging pipe |
| CN110665594A (en) * | 2019-09-13 | 2020-01-10 | 兰杰 | Cement grinding equipment with noise suppression function and enhanced grinding efficiency |
-
2008
- 2008-09-08 CN CNU2008200155036U patent/CN201250687Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447835A (en) * | 2017-09-14 | 2017-12-08 | 如皋福大工程技术研究院有限公司 | Multifunctional closestool |
| CN107574894A (en) * | 2017-09-14 | 2018-01-12 | 如皋福大工程技术研究院有限公司 | Closestool with deodorization functions |
| CN109707496A (en) * | 2018-12-28 | 2019-05-03 | 贵州大学 | A kind of automobile de-noising type tail gas discharging pipe |
| CN110665594A (en) * | 2019-09-13 | 2020-01-10 | 兰杰 | Cement grinding equipment with noise suppression function and enhanced grinding efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20091009 |