CN203906061U - Silencer - Google Patents
Silencer Download PDFInfo
- Publication number
- CN203906061U CN203906061U CN201420125893.8U CN201420125893U CN203906061U CN 203906061 U CN203906061 U CN 203906061U CN 201420125893 U CN201420125893 U CN 201420125893U CN 203906061 U CN203906061 U CN 203906061U
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- CN
- China
- Prior art keywords
- baffler
- anger
- air inlet
- diffusing tube
- hole array
- 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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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a silencer which comprises a silencer body, an inlet air diffuser and an outlet air diffuser, wherein a silencing cavity is defined in the silencer body; the inlet air diffuser is partially extended in the silencing cavity and is extended out of the silencing cavity; the inlet air diffuser pipe is provided with an inlet air diffusion hole array so as to input air in the inlet air diffuser into the silencing cavity; the outlet air diffuser is partially extended in the silencing cavity and is extended out of the silencing cavity; the outlet air diffuser pipe is provided with an outlet air diffusion hole array so as to input air in the silencing cavity into the outlet air diffuser. The silencer is reasonable in internal structure distribution, light in weight and convenient in installation, can be used for not only increasing the waste gas circulation area, optimizing waste gas circulation route, effectively reducing the air exhaust back pressure, reducing the fuel consumption and lowering the use cost of users.
Description
Technical field
The utility model relates to technical field of engines, particularly relates to a kind of baffler.
Background technique
The waste gas that engine combustion produces need to reduce noise and pollutant through baffler in the time discharging outside body, waste gas is when by baffler, baffler can produce certain resistance to waste gas, it is exhaust resistance, exhaust resistance is reflected in the exhaust back pressure value of baffler, exhaust back pressure value is larger, and exhaust resistance is larger, and waste gas is more not easy to discharge.
In the prior art, the exhaust back pressure of the baffler of ordinary construction is larger, automobile needs consumption of engine part power to overcome the resistance that baffler produces in exhaust process in the process of moving, easily cause the power character of motor to decline, there is the bad phenomenon such as climbing is unable, the acceleration time is long, driver will inevitably increase the aperture of closure in the time of steering vehicle, causes fuel consumption to fall increase, and customer using cost is increased.Fig. 1 is the structural representation of baffler in prior art, housing 3 and head plate 2 form the cavity of whole baffler, suction tude 1 and steam outlet pipe 5 only play connection function, and internal partition 4 is semilune, is interlaced arrangement, only inner dividing plate plays sound deadening, but internal partition 4 interlaced arrangement, make waste gas streams access line complexity, and waste gas is difficult to discharge, make exhaust resistance large, make exhaust back pressure raise simultaneously.
Therefore, wishing a kind of baffler overcomes or at least alleviates above-mentioned defect.
Model utility content
The purpose of this utility model is to provide a kind of baffler to overcome or at least alleviates above-mentioned defect.
For achieving the above object, the utility model provides a kind of baffler, and described baffler comprises: baffler body, and it limits a silencing cavity; Air inlet diffusing tube, it partly extends in described silencing cavity, and stretches out outside described silencing cavity, is provided with air inlet diffusion hole array on described air inlet diffusing tube, so that the gas in air inlet diffusing tube is inputed in described silencing cavity; The diffusing tube of giving vent to anger, it partly extends in described silencing cavity, and stretches out outside described silencing cavity, on the described diffusing tube of giving vent to anger, is provided with the diffusion hole array of giving vent to anger, to export the gas in described silencing cavity to the diffusing tube of giving vent to anger.
Preferably, described baffler body comprises: baffler cylinder; Be arranged at the baffler front cover at described baffler cylinder inlet end place; And be arranged at the baffler rear end cover at described baffler cylinder outlet side place, described baffler cylinder, baffler front cover and baffler rear end cover enclose and form described silencing cavity, wherein, described air inlet diffusing tube is through described baffler front cover and extending in described silencing cavity, described in give vent to anger diffusing tube through described baffler rear end cover and extend in described silencing cavity.
Preferably, described baffler further comprises dividing plate, described dividing plate is arranged in described silencing cavity, described silencing cavity is divided into two chambeies of isolation mutually: air-inlet cavity and exhaust cavity, wherein, described air-inlet cavity closes on described baffler front cover, described exhaust cavity closes on described baffler rear end cover, described air inlet diffusing tube runs through described dividing plate, the air inlet diffusion hole array arranging on described air inlet diffusing tube is positioned at described air-inlet cavity, described exhaust cavity is stretched in the end that described air inlet diffusing tube is positioned at described silencing cavity, and is communicated with described exhaust cavity; The described diffusing tube of giving vent to anger runs through described dividing plate, described in the diffusion hole array of giving vent to anger arranging on diffusing tube of giving vent to anger be positioned at described exhaust cavity, described in the end that diffusing tube is positioned at described silencing cavity of giving vent to anger stretch into described air-inlet cavity, and be communicated with described air-inlet cavity.
Preferably, described baffler further comprises web plate, and described web plate is parallel to described dividing plate setting, and to described air inlet diffusing tube and described in the diffusing tube of giving vent to anger provide support.
Preferably, described air inlet diffusion hole array comprises spaced in the axial direction the first air inlet diffusion hole array and the second air inlet diffusion hole array.
Preferably, the aperture in the hole of described the first air inlet diffusion hole array and the second air inlet diffusion hole array is in the scope of 1 millimeter to 5 millimeters; Total cross sectional area in the hole of described the first air inlet diffusion hole array and the second air inlet diffusion hole array is greater than the cross sectional area of described air inlet diffusing tube.
Preferably, the diffusion hole array of giving vent to anger described in comprises spaced in the axial direction first diffusion hole array and the second diffusion hole array of giving vent to anger of giving vent to anger.
Preferably, the described first diffusion hole array and second of giving vent to anger is given vent to anger the aperture in hole of diffusion hole array in the scope of 1 millimeter to 5 millimeters; Described first diffusion hole array and second give vent to anger described in the being greater than cross sectional area of diffusing tube of total cross sectional area in hole of diffusion hole array of giving vent to anger of giving vent to anger.
Preferably, described air inlet diffusing tube with described in the give vent to anger external diameter of diffusing tube identical.
Preferably, the spacing between described web plate and dividing plate is in the scope of 40 millimeters to 60 millimeters.
Baffler internal structure of the present utility model distributes reasonable, easy for installation, can also increase circulation area, the optimization waste gas streams access line of waste gas, can effectively reduce exhaust back pressure, reduces fuel consumption, saves user's user cost.
Brief description of the drawings
Fig. 1 is the structural representation of baffler of the prior art.
Fig. 2 looks schematic diagram according to the master of the utility model one embodiment's baffler.
Fig. 3 is that in Fig. 2, schematic diagram is looked on a left side for baffler.
Fig. 4 is the schematic diagram of the web plate of baffler in Fig. 2.
Fig. 5 is the schematic diagram of the dividing plate of baffler in Fig. 2.
Reference character:
| 1 | Suction tude | 8 | Air inlet diffusing tube |
| 2 | Head plate | 9 | Web plate |
| 3 | Housing | 10 | Dividing plate |
| 4 | Internal partition | 11 | The diffusing tube of giving vent to anger |
| 5 | Steam outlet pipe | 12 | Baffler cylinder |
| 6 | Adpting flange | 13 | Baffler rear end cover |
| 7 | Baffler front cover | ? | ? |
Embodiment
For object, technological scheme and advantage that the utility model is implemented are clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of instructions such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Fig. 2 looks schematic diagram according to the master of the utility model one embodiment's baffler.Fig. 3 is that in Fig. 2, schematic diagram is looked on a left side for baffler.Fig. 4 be in Fig. 2 baffler the schematic diagram of web plate.Fig. 5 is the schematic diagram of the dividing plate of baffler in Fig. 2.
Baffler shown in Fig. 2 comprises: baffler body, air inlet diffusing tube 8 and the diffusing tube 11 of giving vent to anger.Baffler body comprises baffler cylinder 12, baffler front cover 7 and baffler rear end cover 13.
Baffler body limits a silencing cavity, and silencing cavity is enclosed and formed by baffler cylinder 12, baffler front cover 7 and baffler rear end 13 lids.
Baffler further comprises dividing plate 10.Dividing plate 10 shown in Fig. 5 is arranged in silencing cavity, and silencing cavity is divided into two chambeies of isolation mutually, that is: air-inlet cavity (chamber, left side in figure) and exhaust cavity (right-side cavity in figure).Air-inlet cavity closes on baffler front cover 7, and exhaust cavity closes on baffler rear end cover 13.
Baffler further comprises web plate 9, shown in Fig. 4 is the schematic diagram of baffler web plate 9, web plate 9 is as shown in the figure parallel to dividing plate 10 and arranges, and air inlet diffusing tube 8 and the diffusing tube 11 of giving vent to anger are provided support, and spacing between web plate 9 and dividing plate 10 is in the scope of 40 millimeters to 60 millimeters.
Baffler front cover 7 is arranged at baffler cylinder 12 inlet end places, and baffler rear end cover 13 is arranged at baffler cylinder 12 outlet side places.
Air inlet diffusing tube 8 partly extends in silencing cavity through baffler front cover 7, and runs through dividing plate 10, stretches out outside described silencing cavity.Air inlet diffusing tube 8 is positioned at the end (referring to the right-hand member of the air inlet diffusing tube 8 shown in Fig. 2) of silencing cavity simultaneously and stretches into exhaust cavity, and is communicated with exhaust cavity.And be welded on the adpting flange 6 of air inlet diffusing tube 8 left ends for being connected with the adpting flange of engine exhaust pipe weld.The diffusing tube 11 of giving vent to anger partly extends in silencing cavity through baffler rear end cover 13, and runs through dividing plate 10, stretches out outside silencing cavity.The diffusing tube 11 of giving vent to anger is positioned at the end of silencing cavity (referring to the left end of the diffusing tube 11 of giving vent to anger shown in Fig. 2) simultaneously and stretches into air-inlet cavity, and is communicated with air-inlet cavity.
On air inlet diffusing tube 8, be provided with air inlet diffusion hole array, the part with air inlet diffusion hole array of air inlet diffusing tube 8 is positioned at air-inlet cavity, so that the gas in air inlet diffusing tube 8 is inputed in the air-inlet cavity of silencing cavity.In the illustrated embodiment, air inlet diffusion hole array comprises spaced in the axial direction the first air inlet diffusion hole array and the second air inlet diffusion hole array, but the utility model is not limited to this.Advantageously, the aperture in the hole of the first air inlet diffusion hole array and the second air inlet diffusion hole array is in the scope of 1 millimeter to 5 millimeters.Also advantageously, total cross sectional area in the hole of the first air inlet diffusion hole array and the second air inlet diffusion hole array is greater than the cross sectional area of air inlet diffusing tube 8, is conducive to gas diffusion.
On diffusing tube 11, be provided with the diffusion hole array of giving vent to anger giving vent to anger, the part with the diffusion hole array of giving vent to anger of the diffusing tube 11 of giving vent to anger is positioned at exhaust cavity, to export the gas in described silencing cavity to the diffusing tube 11 of giving vent to anger.In the illustrated embodiment, the diffusion hole array of giving vent to anger comprises spaced in the axial direction first diffusion hole array and the second diffusion hole array of giving vent to anger of giving vent to anger, but the utility model is not limited to this.Advantageously, the first diffusion hole array and second of giving vent to anger is given vent to anger the aperture in hole of diffusion hole array in the scope of 1 millimeter to 5 millimeters.Also advantageously, first the give vent to anger total cross sectional area in hole of diffusion hole array of diffusion hole array and second of giving vent to anger is greater than the cross sectional area of the diffusing tube 11 of giving vent to anger, and is conducive to gas diffusion.
Preferably, air inlet diffusing tube 8 with described in the give vent to anger external diameter of diffusing tube 11 identical.
The noise reduction step-down process of baffler is done to brief description below.
The waste gas that motor is discharged is in air inlet diffusing tube 8 flows to baffler body, the air inlet diffusion hole array of a waste gas part from air inlet diffusing tube 8 is diffused in air-inlet cavity, sound wave is through superrefraction, interference, acoustic energy reduces, final waste gas flows to tailpipe from the diffusing tube 11 of giving vent to anger, and is finally discharged in atmosphere and goes.Another part waste gas flows directly into outlet chamber, sound wave causes acoustic energy to decline through superrefraction with after interfering equally, then waste gas enters from the diffusion hole array of giving vent to anger of giving vent to anger diffusing tube 11 diffusing tube 11 of giving vent to anger, and flows to tailpipe from the diffusing tube 11 of giving vent to anger, and is finally discharged in atmosphere and goes.Flow to this model utility baffler from motor at waste gas again in the process atmosphere, within acoustic energy decays to acceptable scope after repeatedly processing.
Above-mentioned baffler adopts cold drawing moulding automatic soldering technique, and beautiful shape is lightweight, and the dimensional accuracy of each component is high, surface quality good, the component degree of consistency is high.
Above-mentioned baffler redesigns and arranges internal structure, adopts two cavity configurations, increases circulation area, the optimization waste gas streams access line of waste gas, makes waste gas more easily be discharged in atmosphere and go.Utilize simultaneously diffusing tube and diffusion hole array between cooperation, make sound through expansion, sound wave is through superrefraction, interference, thereby reduces baffler relief opening to extraradial acoustic energy.
Finally it is to be noted: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit.Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment's technological scheme of the utility model.
Claims (10)
1. a baffler, is characterized in that, comprising:
Baffler body, it limits a silencing cavity;
Air inlet diffusing tube, it partly extends in described silencing cavity, and stretches out outside described silencing cavity, is provided with air inlet diffusion hole array on described air inlet diffusing tube, so that the gas in air inlet diffusing tube is inputed in described silencing cavity;
The diffusing tube of giving vent to anger, it partly extends in described silencing cavity, and stretches out outside described silencing cavity, on the described diffusing tube of giving vent to anger, is provided with the diffusion hole array of giving vent to anger, to export the gas in described silencing cavity to the diffusing tube of giving vent to anger.
2. baffler as claimed in claim 1, is characterized in that, described baffler body comprises: baffler cylinder; Be arranged at the baffler front cover at described baffler cylinder inlet end place; And be arranged at the baffler rear end cover at described baffler cylinder outlet side place, described baffler cylinder, baffler front cover and baffler rear end cover enclose and form described silencing cavity, wherein, described air inlet diffusing tube is through described baffler front cover and extending in described silencing cavity, described in give vent to anger diffusing tube through described baffler rear end cover and extend in described silencing cavity.
3. baffler as claimed in claim 2, it is characterized in that, further comprise dividing plate, described dividing plate is arranged in described silencing cavity, described silencing cavity is divided into two chambeies of isolation mutually: air-inlet cavity and exhaust cavity, wherein, described air-inlet cavity closes on described baffler front cover, described exhaust cavity closes on described baffler rear end cover
Described air inlet diffusing tube runs through described dividing plate, and the air inlet diffusion hole array arranging on described air inlet diffusing tube is positioned at described air-inlet cavity, and described exhaust cavity is stretched in the end that described air inlet diffusing tube is positioned at described silencing cavity, and is communicated with described exhaust cavity;
The described diffusing tube of giving vent to anger runs through described dividing plate, described in the diffusion hole array of giving vent to anger arranging on diffusing tube of giving vent to anger be positioned at described exhaust cavity, described in the end that diffusing tube is positioned at described silencing cavity of giving vent to anger stretch into described air-inlet cavity, and be communicated with described air-inlet cavity.
4. baffler as claimed in claim 3, is characterized in that, further comprises web plate, and described web plate is parallel to described dividing plate setting, and to described air inlet diffusing tube and described in the diffusing tube of giving vent to anger provide support.
5. the baffler as described in any one in claim 2-4, is characterized in that, described air inlet diffusion hole array comprises spaced in the axial direction the first air inlet diffusion hole array and the second air inlet diffusion hole array.
6. baffler as claimed in claim 5, is characterized in that, the aperture in the hole of described the first air inlet diffusion hole array and the second air inlet diffusion hole array is in the scope of 1 millimeter to 5 millimeters; Total cross sectional area in the hole of described the first air inlet diffusion hole array and the second air inlet diffusion hole array is greater than the cross sectional area of described air inlet diffusing tube.
7. the baffler as described in any one in claim 2-4, is characterized in that, described in the diffusion hole array of giving vent to anger comprise spaced in the axial direction first diffusion hole array and the second diffusion hole array of giving vent to anger of giving vent to anger.
8. baffler as claimed in claim 7, is characterized in that, the described first diffusion hole array and second of giving vent to anger is given vent to anger the aperture in hole of diffusion hole array in the scope of 1 millimeter to 5 millimeters; Described first diffusion hole array and second give vent to anger described in the being greater than cross sectional area of diffusing tube of total cross sectional area in hole of diffusion hole array of giving vent to anger of giving vent to anger.
9. baffler as claimed in claim 8, is characterized in that, described air inlet diffusing tube with described in the give vent to anger external diameter of diffusing tube identical.
10. baffler as claimed in claim 4, is characterized in that, the spacing between described web plate and dividing plate is in the scope of 40 millimeters to 60 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125893.8U CN203906061U (en) | 2014-03-19 | 2014-03-19 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420125893.8U CN203906061U (en) | 2014-03-19 | 2014-03-19 | Silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906061U true CN203906061U (en) | 2014-10-29 |
Family
ID=51780349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420125893.8U Expired - Fee Related CN203906061U (en) | 2014-03-19 | 2014-03-19 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906061U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121775A (en) * | 2016-08-25 | 2016-11-16 | 无锡开普动力有限公司 | A kind of single-cylinder air-cooled machine acoustic wave filter structure |
| CN106285873A (en) * | 2016-08-25 | 2017-01-04 | 无锡开普动力有限公司 | A kind of multi-functional lobby device of air for electromotor and electromotor |
| CN106321207A (en) * | 2016-08-25 | 2017-01-11 | 无锡开普动力有限公司 | Engine exhaust device being convenient to maintain and engine |
-
2014
- 2014-03-19 CN CN201420125893.8U patent/CN203906061U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121775A (en) * | 2016-08-25 | 2016-11-16 | 无锡开普动力有限公司 | A kind of single-cylinder air-cooled machine acoustic wave filter structure |
| CN106285873A (en) * | 2016-08-25 | 2017-01-04 | 无锡开普动力有限公司 | A kind of multi-functional lobby device of air for electromotor and electromotor |
| CN106321207A (en) * | 2016-08-25 | 2017-01-11 | 无锡开普动力有限公司 | Engine exhaust device being convenient to maintain and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171204 Address after: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: 262200 Shandong city of Weifang Province Zhucheng City Longyuan Street No. 1 Co-patentee before: Beiqi Futian Automobile Co., Ltd. Patentee before: Feitian, Zhucheng auto technology development corporation, Ltd. |
|
| 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: 20141029 Termination date: 20180319 |