CN105888775A - Automobile exhausting silencer - Google Patents
Automobile exhausting silencer Download PDFInfo
- Publication number
- CN105888775A CN105888775A CN201610373364.3A CN201610373364A CN105888775A CN 105888775 A CN105888775 A CN 105888775A CN 201610373364 A CN201610373364 A CN 201610373364A CN 105888775 A CN105888775 A CN 105888775A
- Authority
- CN
- China
- Prior art keywords
- cavity
- automobile exhaust
- air inlet
- exhaust muffler
- hole
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
- F01N1/04—Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers
Abstract
The invention discloses an automobile exhausting silencer comprising a shell, an air inlet pipe, an exhausting pipe, a first inserting pipe, a connection pipe and a second inserting pipe. The first inserting pipe is connected with the air inlet pipe. The two end portions of the connection pipe are connected with the first inserting pipe and the second inserting pipe correspondingly. The second inserting pipe is connected with the exhausting pipe. A first partition plate and a second partition plate are arranged in the shell and divide the interior of the shell into three cavities which sequentially include the first cavity, the second cavity and the third cavity. The air inlet pipe communicates with the first cavity. The connection pipe communicates with the third cavity. The second inserting pipe communicates with the second cavity which communicates with the third cavity. The automobile exhausting silencer is simple in structure, good in medium and low frequency silencing effect and small in exhausting resistance.
Description
Technical field
The present invention relates to technical field of automobile, be specifically related to a kind of automobile exhaust muffler.
Background technology
The exhaust noise of construction machinery product is one of Main Noise Sources, and prior art utilizes silencer to weaken exhaust noise, and its effect eliminated the noise depends on the internal structure of silencer, volume and the matching with engine thereof.
Existing silencer is improving erasure effect simultaneously, causes bigger exhaust resistance, and the lifting of exhaust resistance can affect the efficiency of engine.
Summary of the invention
The technical problem to be solved is for problem of the prior art, it is provided that the automobile exhaust muffler that a kind of soundproof effect is good, exhaust resistance is little.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
nullA kind of automobile exhaust muffler，Including the housing with air inlet and exhaust outlet、One end is connected to the air inlet pipe of described air inlet position、One end is connected to the blast pipe at described vent position，Described automobile exhaust muffler also includes that first intubates、Connecting tube、Second intubates，Described first one end intubated is connected with the other end of described air inlet pipe，Described first the other end intubated is connected with the one end of described connecting tube，The other end of described connecting tube is connected with described second one end intubated，Described second the other end intubated is connected with the other end of described blast pipe，Described automobile exhaust muffler also includes the first dividing plate and the second partition being disposed on successively in described housing along the length bearing of trend of described housing，The inside of described housing is divided into three cavitys by described first dividing plate and described second partition，It is followed successively by the first cavity、Second cavity and the 3rd cavity，Described air inlet pipe connects with described first cavity，Described connecting tube connects with described 3rd cavity，Described second intubates and connects with described second cavity，Described second cavity connects with described 3rd cavity.
Preferably, described automobile exhaust muffler also includes the sleeve pipe being set on described first outer circumference surface intubated, described sleeve pipe is positioned at described second cavity, forming the 4th cavity between described first outer circumference surface intubated and the inner peripheral surface of described sleeve pipe, described first intubates and connects with described 4th cavity.
Further, described first intubates and is provided with for connecting described first inner chamber intubated and the first hole of described 4th cavity, described first hole has multiple, multiple described first holes are spaced along described first circumference intubated and axial direction respectively and arrange, and multiple described first holes are respectively positioned in described 4th cavity.
Preferably, described air inlet pipe is provided with the second hole making described air inlet pipe be connected with described first cavity, described second hole has multiple, and multiple described second holes are arranged along the circumference of described air inlet pipe and axial direction interval respectively, and multiple described second holes are respectively positioned in described first cavity.
Preferably, described air inlet pipe is three-way pipe, described automobile exhaust muffler also includes the plug being arranged on a described air inlet pipe wherein passage, described plug is provided with the 3rd hole making described air inlet pipe be connected with described first cavity, described 3rd hole has multiple, and multiple described 3rd holes are respectively positioned in described first cavity.
Preferably, described connecting tube is provided with the 4th hole making described connecting tube be connected with described 3rd cavity, described 4th hole has multiple, and multiple described 4th holes are arranged along the circumference of described connecting tube and axial direction interval respectively, and multiple described 4th holes are respectively positioned in described 3rd cavity.
Preferably, described second intubates to be provided with and makes described second to intubate the 5th hole being connected with described second cavity, described 5th hole has multiple, and multiple described 5th holes are spaced along described second circumference intubated and axial direction respectively and arrange, and multiple described 5th holes are respectively positioned in described second cavity.
Preferably, described second partition is provided with the 6th hole for making described second cavity be connected with described 3rd cavity, and described 6th hole has multiple.
Preferably, described automobile exhaust muffler also includes the first acoustical cotton being arranged in described first cavity, the second acoustical cotton being arranged in described second cavity, the 3rd acoustical cotton that is arranged in described 3rd cavity.
Preferably, described connecting tube is U-shaped bend pipe.
Due to the utilization of technique scheme, the present invention compared with prior art has the advantage that the automobile exhaust muffler simple in construction of the present invention, and medium and low frequency soundproof effect is good, and exhaust resistance is little.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the automobile exhaust muffler of the present invention.
Detailed description of the invention
With specific embodiment, technical scheme is further elaborated below in conjunction with the accompanying drawings.
Automobile exhaust muffler shown in Figure 1, including housing 1, air inlet pipe 21 and blast pipe 22, housing 1 is provided with air inlet and exhaust outlet, the one end of air inlet pipe 21 is connected at the air inlet on housing 1, the other end extend into the inside of housing 1, the one end of blast pipe 22 is connected with the exhaust outlet on housing 1, and the other end is deep into the inside of housing 1.
This automobile exhaust muffler also includes that be arranged in housing 1 first intubates 23, connecting tube 24 and second and intubate 25, first intubates the one end of 23 is connected with the other end of air inlet pipe 21, first intubates the other end of 23 is connected with the one end of connecting tube 24, the other end of connecting tube 24 intubates the one end of 25 and is connected with second, and second intubates the other end of 25 is connected with the other end of blast pipe 22.Preferably, connecting tube 24 uses U-shaped bend pipe.
This automobile exhaust muffler also includes the first dividing plate 31 and the second partition 32 being set in sequence in housing 1 along the length bearing of trend of housing 1, first dividing plate 31 and second partition 32 are spaced setting in housing 1, and the inside of housing 1 is separated into three cavitys, the length bearing of trend along housing 1 is followed successively by the first cavity the 41, second cavity 42 and the 3rd cavity 43.Air inlet pipe 21 connects with the first cavity 41, and connecting tube 24 connects with the 3rd cavity 43, and second intubates 25 connects with the second cavity 42, and the second cavity 42 connects with the 3rd cavity 43.
A kind of specific embodiment, air inlet pipe 21 is provided with the second hole 211 making air inlet pipe 21 be connected with the first cavity 41, second hole 211 has multiple, and multiple second holes 211 are spaced setting along the circumferential and axial direction of air inlet pipe 21, and multiple second holes 211 are respectively positioned in the first cavity 41.
Further, air inlet pipe 21 is three-way pipe, is provided with plug 5 on one of them passage of air inlet pipe 21, and plug 5 is provided with the 3rd hole making air inlet pipe 21 be connected with the first cavity 41, and the 3rd hole has multiple, and multiple 3rd holes are respectively positioned in the first cavity 41.
Concrete, connecting tube 24 is provided with the 4th hole 241 making connecting tube 24 be connected with the 3rd cavity 43,4th hole 241 has multiple, and multiple 4th holes 241 are arranged along the circumference of connecting tube 24 and axial direction interval respectively, and multiple 4th holes 241 are respectively positioned in the 3rd cavity 43.
Concrete, second intubates 25 is provided with and makes second to intubate 25 the 5th holes 251 being connected with the second cavity 42,5th hole 251 has multiple, and multiple 5th holes 251 intubate circumference and the setting of axial direction interval of 25 respectively along second, and multiple 5th holes 251 are respectively positioned in the second cavity 42.
Second partition 32 is provided with the 6th hole for making the second cavity 42 be connected with the 3rd cavity 43, and the 6th hole has multiple.
Also automobile exhaust muffler also includes sleeve pipe 6, sleeve pipe 6 is positioned at the second cavity 42, sleeve pipe 6 is set in first and intubates the outside of 23, intubates between the outer circumference surface of 23 and the inner peripheral surface of sleeve pipe 6 formation the 4th cavity 44 first, first intubate 23 inner chamber and the 4th cavity 44 be connected.Concrete, first intubates 23 is provided with and intubates 23 and the 4th first hole 231 of cavity 44 for connection first, first hole 231 has multiple, and multiple first holes 231 intubate circumference and the setting of axial direction interval of 23 respectively along first, and multiple first holes 231 are respectively positioned in the 4th cavity 44.
This automobile exhaust muffler also includes the first acoustical cotton 71 being arranged in the first cavity 41, be arranged in the second cavity 42 the second acoustical cotton 72, the 3rd acoustical cotton 73 being arranged in the 3rd cavity 43, first acoustical cotton the 71, second acoustical cotton the 72, the 3rd acoustical cotton 73 is for eliminating the high frequency noise in vehicle exhaust.
This automobile exhaust muffler also includes that reinforcing frame 8, reinforcing frame 8 are arranged in the second cavity 42, can be improved the structural strength of this automobile exhaust muffler by the setting of reinforcing frame 8.
During the work of this automobile exhaust muffler, air-flow flows into air inlet pipe 2 from the one end of air inlet pipe 2, air inlet pipe 2 is flowed out from the other end of air inlet pipe 2, sequentially pass through and first intubate 23, bend pipe 24, second intubate 25 and enter in blast pipe 22, then flow out to the outside of automobile exhaust muffler through blast pipe 25.When air-flow flows in this automobile exhaust muffler, the air-flow the second hole 211 from air inlet pipe 2 and the 3rd hole flow in or out in the first cavity 41, form a structure of resonant cavity, the intermediate frequency noise that this resonant cavity can absorb in vehicle exhaust.Air-flow enter into first intubate 23 after, flow in or out the 4th cavity 44 through the first the first hole 231 intubated on 23, form again a structure of resonant cavity, the CF noise that this resonant cavity can absorb in vehicle exhaust.Air-flow enters into after connecting tube 24 and second intubates 25, the air-flow the 4th hole 241 in connecting tube 24 flows in or out in the 3rd cavity 43, flow out through the second the 5th hole 251 intubated on 25 or be flowed in the second cavity 42, flow mutually in two cavitys in the air-flow in the second cavity 42 and the 3rd cavity 43 the 6th hole on second partition 32 simultaneously, form again a structure of resonant cavity, the medium and low frequency noise that this resonant cavity can absorb in vehicle exhaust.It addition, during air current flow, eliminate the high frequency noise in vehicle exhaust by first acoustical cotton the 71, second acoustical cotton the 72, the 3rd acoustical cotton 73.
This automobile exhaust muffler simple in construction, the low frequency soundproof effect solving silencer in prior art is poor, the big shortcoming affecting engine efficiency of exhaust resistance, and meanwhile, this automobile exhaust muffler also has the ability eliminating high frequency noise.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (10)
- null1. an automobile exhaust muffler，Including the housing with air inlet and exhaust outlet、One end is connected to the air inlet pipe of described air inlet position、One end is connected to the blast pipe at described vent position，It is characterized in that: described automobile exhaust muffler also includes that first intubates、Connecting tube、Second intubates，Described first one end intubated is connected with the other end of described air inlet pipe，Described first the other end intubated is connected with the one end of described connecting tube，The other end of described connecting tube is connected with described second one end intubated，Described second the other end intubated is connected with the other end of described blast pipe，Described automobile exhaust muffler also includes the first dividing plate and the second partition being disposed on successively in described housing along the length bearing of trend of described housing，The inside of described housing is divided into three cavitys by described first dividing plate and described second partition，It is followed successively by the first cavity、Second cavity and the 3rd cavity，Described air inlet pipe connects with described first cavity，Described connecting tube connects with described 3rd cavity，Described second intubates and connects with described second cavity，Described second cavity connects with described 3rd cavity.
- Automobile exhaust muffler the most according to claim 1, it is characterized in that: described automobile exhaust muffler also includes the sleeve pipe being set on described first outer circumference surface intubated, described sleeve pipe is positioned at described second cavity, forming the 4th cavity between described first outer circumference surface intubated and the inner peripheral surface of described sleeve pipe, described first intubates and connects with described 4th cavity.
- Automobile exhaust muffler the most according to claim 2, it is characterized in that: described first intubates and be provided with for connecting described first inner chamber intubated and the first hole of described 4th cavity, described first hole has multiple, multiple described first holes are spaced along described first circumference intubated and axial direction respectively and arrange, and multiple described first holes are respectively positioned in described 4th cavity.
- Automobile exhaust muffler the most according to claim 1, it is characterized in that: described air inlet pipe is provided with the second hole making described air inlet pipe be connected with described first cavity, described second hole has multiple, multiple described second holes are arranged along the circumference of described air inlet pipe and axial direction interval respectively, and multiple described second holes are respectively positioned in described first cavity.
- 5. according to the automobile exhaust muffler described in claim 1 or 4, it is characterized in that: described air inlet pipe is three-way pipe, described automobile exhaust muffler also includes the plug being arranged on a described air inlet pipe wherein passage, described plug is provided with the 3rd hole making described air inlet pipe be connected with described first cavity, described 3rd hole has multiple, and multiple described 3rd holes are respectively positioned in described first cavity.
- Automobile exhaust muffler the most according to claim 1, it is characterized in that: described connecting tube is provided with the 4th hole making described connecting tube be connected with described 3rd cavity, described 4th hole has multiple, multiple described 4th holes are arranged along the circumference of described connecting tube and axial direction interval respectively, and multiple described 4th holes are respectively positioned in described 3rd cavity.
- Automobile exhaust muffler the most according to claim 1, it is characterized in that: described second intubates to be provided with and make described second to intubate the 5th hole being connected with described second cavity, described 5th hole has multiple, multiple described 5th holes are spaced along described second circumference intubated and axial direction respectively and arrange, and multiple described 5th holes are respectively positioned in described second cavity.
- Automobile exhaust muffler the most according to claim 1, it is characterised in that: described second partition is provided with the 6th hole for making described second cavity be connected with described 3rd cavity, and described 6th hole has multiple.
- Automobile exhaust muffler the most according to claim 1, it is characterised in that: described automobile exhaust muffler also includes the first acoustical cotton being arranged in described first cavity, the second acoustical cotton being arranged in described second cavity, the 3rd acoustical cotton that is arranged in described 3rd cavity.
- Automobile exhaust muffler the most according to claim 1, it is characterised in that: described connecting tube is U-shaped bend pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373364.3A CN105888775A (en) | 2016-05-31 | 2016-05-31 | Automobile exhausting silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610373364.3A CN105888775A (en) | 2016-05-31 | 2016-05-31 | Automobile exhausting silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105888775A true CN105888775A (en) | 2016-08-24 |
Family
ID=56710347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610373364.3A Pending CN105888775A (en) | 2016-05-31 | 2016-05-31 | Automobile exhausting silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105888775A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630250A (en) * | 2019-02-21 | 2019-04-16 | 海马汽车有限公司 | A kind of silencer, exhaust equipment and the exhaust system with dynamic sound |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204716363U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | After silencer |
| CN204716343U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | Impedance complex formula rear muffler |
| CN204716332U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | Impedance composite muffler |
| CN205744052U (en) * | 2016-05-31 | 2016-11-30 | 清华大学苏州汽车研究院（相城） | A kind of automobile exhaust muffler |
-
2016
- 2016-05-31 CN CN201610373364.3A patent/CN105888775A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204716363U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | After silencer |
| CN204716343U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | Impedance complex formula rear muffler |
| CN204716332U (en) * | 2015-04-09 | 2015-10-21 | 北京市通州迪拉汽车附件有限公司 | Impedance composite muffler |
| CN205744052U (en) * | 2016-05-31 | 2016-11-30 | 清华大学苏州汽车研究院（相城） | A kind of automobile exhaust muffler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630250A (en) * | 2019-02-21 | 2019-04-16 | 海马汽车有限公司 | A kind of silencer, exhaust equipment and the exhaust system with dynamic sound |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |