CN204851384U - In advance two swallow tail flat amortization drums that go out - Google Patents
In advance two swallow tail flat amortization drums that go out Download PDFInfo
- Publication number
- CN204851384U CN204851384U CN201520532028.XU CN201520532028U CN204851384U CN 204851384 U CN204851384 U CN 204851384U CN 201520532028 U CN201520532028 U CN 201520532028U CN 204851384 U CN204851384 U CN 204851384U
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- China
- Prior art keywords
- chamber
- noise reduction
- cavity
- outlet pipe
- housing
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- 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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Abstract
The utility model discloses an in advance two swallow tail flat amortization drums that go out, comprising a housing, its both ends are equipped with the baffle, pass through the baffle, net dish and baffle are divided into first cavity in with the casing, the second cavity, the third cavity, fourth cavity and the 5th cavity, be equipped with the amortization standpipe in the third cavity, amortization standpipe one end is connected with the middle part that the amortization was violently managed, the baffle that the left and right sides was passed respectively at both ends that the amortization was violently managed stretches into to second cavity and fourth cavity, eccentric settings has the blast pipe on the baffle on casing left side and right side, its head end stretches into respectively to second cavity and the fourth cavity in, be equipped with the amortization cotton in first cavity and the 5th cavity and the third cavity, wherein be equipped with the wedge bloop on the hush pipe, the blast pipe is the loudspeaker form, the edge of baffle and net dish is the arc surface. Its torsion that has engine in the time of can promoting the car starting, noise cancelling effect is good, novel structure, the exhaust is smooth and easy, and the structure is firm, the cotton difficult not hard up beneficial effect of amortization.
Description
Technical field
The utility model relates to a kind of automobile silencing drum, particularly enter in one two go out swallow tail flat noise reduction drum.
Background technique
In enter two go out swallow tail flat noise reduction drum be also called variable back pressure noise reduction drum, it can regulate the size of back pressure according to the rotating speed of motor car engine, the torsion of motor during the slow-speed of revolution is had a certain upgrade, simultaneously, itself or a kind ofly stop sound transmission and the device allowing air-flow to pass through, be the important measures eliminating car hollow aerodynamic force noise, in addition, noise reduction drum and tail chew the part being connected rear or automobile appearance.But in prior art, automobile silencing drum adopts in line hush pipe, noise reduction is carried out, due in line hush pipe smooth in exhaust, without back pressure chamber in drum by the through hole on hush pipe tube wall and the silencing cotton outside tube wall, do not have castering action to the torsion of motor during vehicle starting, meanwhile, the through hole in prior art on hush pipe tube wall is manhole, noise reduction resistance is little, erasure effect is not obvious, and noise is large, in addition, in prior art, the structure of noise reduction drum is single, can not meet different consumer demand.In sum, also there is following shortcoming in prior art: do not promote the torsion of motor during vehicle starting; Erasure effect is not obvious; Structure is single.
Summary of the invention
The purpose of this utility model is, provide in one enter two go out swallow tail flat noise reduction drum.The utility model has the torsion of motor when can promote vehicle starting, good muffling effect, the feature of novel structure, and in addition, the utility model also has smooth in exhaust, stabilized structure, the feature that silencing cotton not easily loosens.
The technical solution of the utility model: enter in one two go out swallow tail flat noise reduction drum, include the housing of elliptical cylinder-shape, housing two ends are respectively provided with a baffle plate, two meshed net dishes of band are provided with in housing, two dividing plates are provided with between two net dishes, net dish is connected with dividing plate and between dividing plate with dividing plate through connecting rod, pass through baffle plate, net dish and dividing plate will be divided into the first chamber in housing, second chamber, 3rd chamber, 4th chamber and the 5th chamber, noise reduction vertical tube is provided with in the 3rd chamber, noise reduction vertical tube one end is connected with housing, the other end is connected with the middle part of noise reduction transverse tube, the two ends of noise reduction transverse tube are each passed through the dividing plate of the left and right sides, its two ends stretch to the second chamber and the 4th chamber respectively, on the baffle plate on the left of housing and right side, eccentric setting has outlet pipe, the pipe shaft of the outlet pipe in left side passes the net dish in the first chamber and left side, its head end stretches in the second chamber, the pipe shaft of the outlet pipe on right side passes the net dish on the 5th chamber and right side, its head end stretches in the 4th chamber, outlet pipe in second chamber and the 4th chamber and the head end of noise reduction transverse tube are in staggered distribution, silencing cotton is provided with in the 3rd chamber outside the tube wall of the first chamber outside the tube wall of outlet pipe and the 5th chamber and noise reduction vertical tube and noise reduction transverse tube, wherein said noise reduction vertical tube and noise reduction transverse tube are provided with and cave inward and the wedge shape bloop distributed in the shape of a spiral, and the opening direction of wedge shape bloop is contrary with the direction of exhaust airstream, the inlet end of described outlet pipe is horn-like, the edge of described dividing plate and net dish is respectively by the arc surface turned over into perpendicular to dividing plate and net dish, the pipe shaft of the outlet pipe being positioned at the first chamber and the 5th chamber and the noise reduction vertical tube and noise reduction transverse tube that are positioned at the 3rd chamber is provided with steel wire.
Enter in aforesaid two go out swallow tail flat noise reduction drum, the distance between described noise reduction transverse tube two ends and net dish is 2-3cm, and the distance between the inlet end of described outlet pipe and baffle plate is 2-3cm.
Compared with prior art, the utility model carries out a point chamber by adopting net dish and dividing plate in housing, noise reduction transverse tube and outlet pipe converge respectively in the second chamber and the 4th chamber, second chamber and the 4th chamber are back pressure chamber, then air-flow discharges from the outlet pipe shifted to install with it after entering back pressure chamber from noise reduction transverse tube, air-flow forms back pressure in back pressure chamber, improves the torsion of motor during vehicle starting.Simultaneously, by the bloop on noise reduction transverse tube and noise reduction vertical tube to be changed into the wedge shape bloop of spiral distribution from traditional circular bloop, wedge shape bloop is by carrying out HALF OPENING rolling to noise reduction transverse tube and noise reduction vertical tube tube wall, the ramp shaped guiding gutter making it be formed to cave inward, and its opening direction is contrary with airflow direction, improve noise reduction resistance, air-flow easily flows out hush pipe through noise reduction transverse tube and noise reduction vertical tube and enters silencing cotton layer, improves erasure effect.In addition, noise reduction vertical tube of the present utility model is arranged on the middle part of noise reduction drum, and the baffle plate of noise reduction drum both sides arranges outlet pipe, novel structure.In addition, the inlet end of the utility model outlet pipe is horn-like, makes tail gas easily enter outlet pipe, improves smooth in exhaust degree; Housing is elliptical cylinder-shape, and space is large, airflow smooth; Also have the edge of net dish and dividing plate to design for arc surface, increase the area of contact with noise reduction drum inwall, be easier to welding, structure is more firm; Hush pipe and outlet pipe are provided with steel wire, and silencing cotton is more easily twined and ties up, silencing cotton not easily loosens.In sum, the utility model has the torsion of motor when can promote vehicle starting, good muffling effect, the beneficial effect of novel structure, and in addition, the utility model also has smooth in exhaust, stabilized structure, the beneficial effect that silencing cotton not easily loosens.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is shell construction schematic diagram;
Accompanying drawing 3 is hush pipe sectional view.
Description of reference numerals: 1-housing, 2-baffle plate, 3-net dish, 4-connecting rod, 5-dividing plate, 6-mesh, 7-first chamber, 8-second chamber, 9-the 3rd chamber, 10-the 4th chamber, 11-the 5th chamber, 12-outlet pipe, 13-noise reduction vertical tube, 14-noise reduction transverse tube, 15-wedge shape bloop, 16-inlet end, 17-steel wire.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described, but not as the foundation limited the utility model.
Embodiment of the present utility model: enter in one two go out swallow tail flat noise reduction drum, as illustrated in the accompanying drawings from 1 to 3, include the housing 1 of elliptical cylinder-shape, housing 1 two ends are respectively provided with a baffle plate 2, two net dishes 3 with mesh 6 are provided with in housing 1, two dividing plates 5 are provided with between two net dishes 3, net dish 3 is connected with dividing plate 5 and between dividing plate 5 with dividing plate 5 through connecting rod 4, by baffle plate 2, net dish 3 and dividing plate 5 will be divided into the first chamber 7 in housing 1, second chamber 8, 3rd chamber 9, 4th chamber 10 and the 5th chamber 11, noise reduction vertical tube 13 is provided with in the 3rd chamber 9, noise reduction vertical tube 13 one end is connected with housing 1, the other end is connected with the middle part of noise reduction transverse tube 14, the two ends of noise reduction transverse tube 14 are each passed through the dividing plate 5 of the left and right sides, its two ends stretch to the second chamber 8 and the 4th chamber 10 respectively, on the baffle plate 2 on the left of housing 1 and right side, eccentric setting has outlet pipe 12, the pipe shaft of the outlet pipe 12 in left side passes the net dish 3 in the first chamber 7 and left side, its head end stretches in the second chamber 8, the pipe shaft of the outlet pipe 12 on right side passes the net dish 3 on the 5th chamber 11 and right side, its head end stretches in the 4th chamber 10, outlet pipe 12 in second chamber 8 and the 4th chamber 10 and the head end of noise reduction transverse tube 14 are in staggered distribution, silencing cotton is provided with in the 3rd chamber 9 outside the first chamber 7 outside the tube wall of outlet pipe 12 and the tube wall of the 5th chamber 11 and noise reduction vertical tube 13 and noise reduction transverse tube 14, wherein said noise reduction vertical tube 13 and noise reduction transverse tube 14 are provided with and cave inward and the wedge shape bloop 15 distributed in the shape of a spiral, and the opening direction of wedge shape bloop 15 is contrary with the direction of exhaust airstream, the inlet end 16 of described outlet pipe 12 is horn-like, the edge of described dividing plate 5 and net dish 3 is respectively by the arc surface turned over into perpendicular to dividing plate 5 and net dish 3, the pipe shaft of the outlet pipe 12 being positioned at the first chamber 7 and the 5th chamber 11 and the noise reduction vertical tube 13 and noise reduction transverse tube 14 that are positioned at the 3rd chamber 7 is provided with steel wire 17.
Distance between described noise reduction transverse tube 14 two ends and net dish 3 is 2-3cm, and the distance between the inlet end 16 of described outlet pipe 12 and baffle plate 5 is 2-3cm.
Working principle of the present utility model: the noise reduction vertical tube 13 of tail gas in the middle part of housing 1 enters in housing 1, the chamber of both sides is entered respectively after noise reduction transverse tube 14 is shunted, because on noise reduction vertical tube 13 and noise reduction transverse tube 14, Spiral distribution has the wedge shape bloop 15 caved inward, as shown in Figure 3, wherein wedge shape bloop 15 is by inside rolling by the tube wall of noise reduction vertical tube 13 and noise reduction transverse tube 14, form the ramp shaped gas port of HALF OPENING shape, the opening direction of wedge shape bloop 15 is contrary with air current flow direction, noise reduction resistance is larger, air-flow is easy to enter wedge shape bloop 15, then noise reduction vertical tube 13 and noise reduction transverse tube 14 is exported, enter the silencing cotton layer in the 3rd chamber 9, eliminate most of noise, erasure effect is better, residual gas stream enters the second chamber 8 and the 4th chamber 10 through noise reduction transverse tube 14, the mesh 6 of fraction on net dish 3 enters the silencing cotton layer in the first chamber 7 and the 5th chamber 12, eliminate partial noise, last air-flow discharges noise reduction drum through outlet pipe 12, because noise reduction transverse tube 14 and outlet pipe 12 shift to install, air-flow forms back pressure in the second chamber 8 and the 4th chamber 10, improve the torsion of motor.
As preferably, the distance between described noise reduction transverse tube 14 two ends and net dish 3 is 2-3cm, and the distance between the inlet end 16 of described outlet pipe 12 and baffle plate 5 is 2-3cm.Because when apart from time too far away, air-flow is easy to enter outlet pipe 12 thus derives noise reduction drum, and the back pressure of formation is not obvious; When distance is too near, air-flow is difficult to enter outlet pipe 12, affects the discharge of air-flow.
Claims (2)
1. enter in one kind two go out swallow tail flat noise reduction drum, it is characterized in that: the housing (1) including elliptical cylinder-shape, housing (1) two ends are respectively provided with a baffle plate (2), two net dishes (3) with mesh (6) are provided with in housing (1), two dividing plates (5) are provided with between two net dishes (3), net dish (3) is connected with dividing plate (5) and between dividing plate (5) with dividing plate (5) through connecting rod (4), by baffle plate (2), net dish (3) and dividing plate (5) are divided into the first chamber (7) by housing (1), second chamber (8), 3rd chamber (9), 4th chamber (10) and the 5th chamber (11), noise reduction vertical tube (13) is provided with in the 3rd chamber (9), noise reduction vertical tube (13) one end is connected with housing (1), the other end is connected with noise reduction transverse tube (14), the two ends of noise reduction transverse tube (14) are each passed through the dividing plate (5) of both sides, its two ends stretch to the second chamber (8) and the 4th chamber (10) respectively, the upper eccentric setting of baffle plate (2) of housing (1) both sides has outlet pipe (12), wherein the pipe shaft of the outlet pipe (12) of side is through the first chamber (7) and net dish (3), its head end stretches in the second chamber (8), the pipe shaft of the outlet pipe (12) of opposite side is through the 5th chamber (11) and net dish (3), its head end stretches in the 4th chamber (10), outlet pipe (12) in second chamber (8) and the 4th chamber (10) and the head end of noise reduction transverse tube (14) are in staggered distribution, silencing cotton is provided with in the 3rd chamber (9) outside the tube wall of the first chamber (7) outside the tube wall of outlet pipe (12) and the 5th chamber (11) and noise reduction vertical tube (13) and noise reduction transverse tube (14), wherein said noise reduction vertical tube (13) and noise reduction transverse tube (14) are provided with and cave inward and the wedge shape bloop (15) distributed in the shape of a spiral, and the opening direction of wedge shape bloop (15) is contrary with the direction of exhaust airstream, the inlet end (16) of described outlet pipe (12) is for horn-like, the edge of described dividing plate (5) and net dish (3) is respectively by the arc surface turned over into perpendicular to dividing plate (5) and net dish (3), the pipe shaft of the outlet pipe (12) being positioned at the first chamber (7) and the 5th chamber (11) and the noise reduction vertical tube (13) and noise reduction transverse tube (14) that are positioned at the 3rd chamber (7) is provided with steel wire (17).
2. enter according to claim 1 two go out swallow tail flat noise reduction drum, it is characterized in that: the distance between described noise reduction transverse tube (14) two ends and net dish (3) is 2-3cm, the distance between the inlet end (16) of described outlet pipe (12) and baffle plate (2) is 2-3cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532028.XU CN204851384U (en) | 2015-07-22 | 2015-07-22 | In advance two swallow tail flat amortization drums that go out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520532028.XU CN204851384U (en) | 2015-07-22 | 2015-07-22 | In advance two swallow tail flat amortization drums that go out |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851384U true CN204851384U (en) | 2015-12-09 |
Family
ID=54741942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520532028.XU Expired - Fee Related CN204851384U (en) | 2015-07-22 | 2015-07-22 | In advance two swallow tail flat amortization drums that go out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851384U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401699A (en) * | 2016-05-31 | 2017-02-15 | 湖南长丰汽车零部件有限责任公司 | Gasoline exhaust silencer |
| CN109630235A (en) * | 2017-10-05 | 2019-04-16 | 天纳克汽车经营有限公司 | Acoustics tuning silencer |
| CN110454264A (en) * | 2018-05-07 | 2019-11-15 | 天纳克汽车经营有限公司 | Muffler assembly with center silencer and two satellite silencers |
| US10975743B1 (en) | 2020-03-13 | 2021-04-13 | Tenneco Automotive Operating Company Inc. | Vehicle exhaust component |
| US11199116B2 (en) | 2017-12-13 | 2021-12-14 | Tenneco Automotive Operating Company Inc. | Acoustically tuned muffler |
| US11268429B2 (en) | 2019-01-17 | 2022-03-08 | Tenneco Automotive Operating Company Inc. | Diffusion surface alloyed metal exhaust component with inwardly turned edges |
| US11268430B2 (en) | 2019-01-17 | 2022-03-08 | Tenneco Automotive Operating Company Inc. | Diffusion surface alloyed metal exhaust component with welded edges |
| US11702969B2 (en) | 2017-10-05 | 2023-07-18 | Tenneco Automotive Operating Company Inc. | Acoustically tuned muffler |
-
2015
- 2015-07-22 CN CN201520532028.XU patent/CN204851384U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401699A (en) * | 2016-05-31 | 2017-02-15 | 湖南长丰汽车零部件有限责任公司 | Gasoline exhaust silencer |
| CN109630235A (en) * | 2017-10-05 | 2019-04-16 | 天纳克汽车经营有限公司 | Acoustics tuning silencer |
| US11365658B2 (en) | 2017-10-05 | 2022-06-21 | Tenneco Automotive Operating Company Inc. | Acoustically tuned muffler |
| US11702969B2 (en) | 2017-10-05 | 2023-07-18 | Tenneco Automotive Operating Company Inc. | Acoustically tuned muffler |
| US11199116B2 (en) | 2017-12-13 | 2021-12-14 | Tenneco Automotive Operating Company Inc. | Acoustically tuned muffler |
| CN110454264A (en) * | 2018-05-07 | 2019-11-15 | 天纳克汽车经营有限公司 | Muffler assembly with center silencer and two satellite silencers |
| CN110454264B (en) * | 2018-05-07 | 2021-12-24 | 天纳克汽车经营有限公司 | Muffler assembly with central muffler and two satellite mufflers |
| US11268429B2 (en) | 2019-01-17 | 2022-03-08 | Tenneco Automotive Operating Company Inc. | Diffusion surface alloyed metal exhaust component with inwardly turned edges |
| US11268430B2 (en) | 2019-01-17 | 2022-03-08 | Tenneco Automotive Operating Company Inc. | Diffusion surface alloyed metal exhaust component with welded edges |
| US10975743B1 (en) | 2020-03-13 | 2021-04-13 | Tenneco Automotive Operating Company Inc. | Vehicle exhaust component |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170722 |