CN204082265U - A kind of exhaust silencer - Google Patents
A kind of exhaust silencer Download PDFInfo
- Publication number
- CN204082265U CN204082265U CN201420455377.1U CN201420455377U CN204082265U CN 204082265 U CN204082265 U CN 204082265U CN 201420455377 U CN201420455377 U CN 201420455377U CN 204082265 U CN204082265 U CN 204082265U
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- chamber
- length
- muffler body
- perforated
- perforated pipe
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Abstract
The utility model discloses a kind of exhaust silencer, comprise muffler body, the two ends of muffler body all have the through hole with muffler body inner space, suction tude and outlet pipe is embedded with respectively in the through hole at two ends, the first dividing plate and second partition is provided with in muffler body inner chamber, muffler body inner chamber is divided into the first chamber by the first dividing plate and second partition, second chamber and the 3rd chamber, first dividing plate is provided with some honeycomb ducts, the two ends of honeycomb duct lay respectively at the both sides of the first dividing plate, second partition is provided with the first perforated pipe, the two ends of the first perforated pipe lay respectively at the both sides of second partition, the second perforated pipe being provided with perforated plate in 3rd chamber and being communicated with outlet pipe, perforated plate is arranged along the madial wall of the 3rd chamber, also quieter material is provided with between the madial wall of perforated plate and the 3rd chamber.The utility model utilizes the form of expansion cavity and perforated pipe simple to the object structure reaching noise elimination, and circulating resistance is little, has good acoustic attenuation performance.
Description
Technical field
The utility model relates to a kind of exhaust silencer, belongs to automobile exhaust muffler field.
Background technique
Automobile exhaust noise refers to the noise of all component radiation of vent systems, the air power noise of mainly relief opening radiation.Day by day flourishing along with automotive industry fast development and transportation, automobile noise pollutes day by day serious, and engine exhaust noise is a main sound source in automobile noise.But silencing apparatus too increases exhaust resistance while reduction noise, produces engine power loss, has an impact to the power character of motor and Economy.
Model utility content
In order to solve the problems of the technologies described above, the utility model provides a kind of exhaust silencer.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of exhaust silencer, comprise muffler body, described muffler body is the cylindrical structure of closed at both ends inner hollow, the two ends of described muffler body all have the through hole with muffler body inner space, suction tude and outlet pipe is embedded with respectively in the through hole at two ends, described suction tude and outlet pipe are all sealed and matched with the through hole at respective place, the first dividing plate and second partition is provided with in described muffler body inner chamber, muffler body inner chamber is divided into the first chamber by described first dividing plate and second partition, second chamber and the 3rd chamber, described first chamber is communicated with suction tude, described 3rd chamber is communicated with outlet pipe, described first dividing plate is provided with some honeycomb ducts, the two ends of described honeycomb duct lay respectively at the both sides of the first dividing plate, one end of described honeycomb duct and the first chamber, the other end and the second chamber, described second partition is provided with the first perforated pipe, the two ends of described first perforated pipe lay respectively at the both sides of second partition, one end of described first perforated pipe and the second chamber, the other end and the 3rd chamber, the second perforated pipe being provided with perforated plate and being communicated with outlet pipe in described 3rd chamber, described perforated plate is arranged along the madial wall of the 3rd chamber, also quieter material is provided with between the madial wall of described perforated plate and the 3rd chamber.
Described second chamber length is 3/7 ~ 4/7 of the first chamber length, and described 3rd chamber length is 7/8 ~ 9/8 of the second chamber length.
Two ports of described suction tude lay respectively in the first chamber and outside muffler body, and the length that described suction tude is positioned at the first chamber is 3/8 ~ 5/8 of the first chamber length.
The quantity of described honeycomb duct is 4 ~ 6, and arranges around the medial axis of muffler body.
Described honeycomb duct length is 3/8 ~ 5/8 of the second chamber length.
The hole of described first perforated pipe is positioned at the second chamber.
Described first perforated pipe length is 3/4 ~ 7/8 of the second chamber length, and the length that described first perforated pipe is positioned at the first chamber is 3/2 ~ 2/1 with the ratio of the length being positioned at the second chamber.
Described second perforated pipe length is 3/8 ~ 5/8 of the 3rd chamber length.
First chamber and second chamber of above-mentioned exhaust silencer are expansion cavity, gas enters the first chamber by suction tude, the second chamber is entered after being shunk by honeycomb duct, that eliminates the first chamber and the second chamber by the first perforated pipe passes through frequency noise, enter the 3rd chamber, then by the second perforated pipe eliminate further the first chamber, the second chamber and the 3rd chamber by frequency noise, discharge finally by outlet pipe.
The beneficial effect that the utility model reaches: 1, the utility model utilizes the form of expansion cavity and perforated pipe simple to the object structure reaching noise elimination, and circulating resistance is little, has good acoustic attenuation performance; 2, the quantity of honeycomb duct of the present utility model is 4 ~ 6, and arranges around the medial axis of muffler body, such arrange can guarantee gas is smooth and easy pass through while, at utmost play the soundproof effect of follow-up each perforated pipe expansion; 3, be provided with perforated plate in the 3rd chamber of the present utility model, the aperture of this perforated plate can prevent quieter material from dropping or being blown away by air-flow.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is axial internal anatomy of the present utility model.
Fig. 3 is the sectional drawing of A-A.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As illustrated in fig. 1 and 2, a kind of exhaust silencer, comprise muffler body 3, muffler body 3 is the cylindrical structure of closed at both ends inner hollow, the two ends of muffler body 3 all have the through hole with muffler body 3 inner space, suction tude 1 and outlet pipe 2 is embedded with respectively in the through hole at two ends, suction tude 1 and outlet pipe 2 are all sealed and matched with the through hole at respective place, the first dividing plate 5 and second partition 7 is provided with in muffler body 3 inner chamber, muffler body 3 inner chamber is divided into the first chamber by the first dividing plate 5 and second partition 7, second chamber and the 3rd chamber, second chamber length is 3/7 ~ 4/7 of the first chamber length, 3rd chamber length is 7/8 ~ 9/8 of the second chamber length, first chamber is communicated with suction tude 1, two ports of suction tude 1 lay respectively in the first chamber and outside muffler body 3, the length that suction tude 1 is positioned at the first chamber is 3/8 ~ 5/8 of the first chamber length, 3rd chamber is communicated with outlet pipe 2, first dividing plate 5 is provided with some honeycomb ducts 4, honeycomb duct 4 length is 3/8 ~ 5/8 of the second chamber length, the two ends of honeycomb duct 4 lay respectively at the both sides of the first dividing plate 5, one end of honeycomb duct 4 and the first chamber, the other end and the second chamber, second partition 7 is provided with the first perforated pipe 6, first perforated pipe 6 length is 3/4 ~ 7/8 of the second chamber length, the two ends of the first perforated pipe 6 lay respectively at the both sides of second partition 7, the length that first perforated pipe 6 is positioned at the first chamber is 3/2 ~ 2/1 with the ratio of the length being positioned at the second chamber, one end of first perforated pipe 6 and the second chamber, the other end and the 3rd chamber, the hole of the first perforated pipe 6 is positioned at the second chamber, the second perforated pipe 9 being provided with perforated plate 8 in 3rd chamber and being communicated with outlet pipe 2, second perforated pipe 9 length is 3/8 ~ 5/8 of the 3rd chamber length, perforated plate 8 is arranged along the madial wall of the 3rd chamber, also quieter material is provided with between the madial wall of perforated plate 8 and the 3rd chamber, the hole of perforated plate 8 can prevent quieter material from dropping or being blown away by air-flow.
Above-mentioned honeycomb duct 4, main plaing a part shrinks gas, while ensureing that gas is smooth and easy and passing through, at utmost play the soundproof effect of follow-up each perforated pipe expansion, the quantity of this honeycomb duct 4 is 4 ~ 6, and arrange around the medial axis of muffler body 3, four honeycomb ducts 4 are such as set as shown in Figure 3.
In above-mentioned exhaust silencer, the length of each several part arranges and is best setting, erasure effect is best, its working procedure is: the first chamber and the second chamber are expansion cavity, gas enters the first chamber by suction tude 1, the second chamber is entered after being shunk by honeycomb duct 4, that eliminates the first chamber and the second chamber by the first perforated pipe 6 passes through frequency noise, enter the 3rd chamber, that then passes through the further elimination of the second perforated pipe 9 first chamber, the second chamber and the 3rd chamber passes through frequency noise, discharges finally by outlet pipe 2.This exhaust silencer utilizes the form of expansion cavity and perforated pipe simple to the object structure reaching noise elimination, and circulating resistance is little, has good acoustic attenuation performance.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (8)
1. an exhaust silencer, it is characterized in that: comprise muffler body (3), the cylindrical structure that described muffler body (3) is closed at both ends inner hollow, the two ends of described muffler body (3) all have the through hole with muffler body (3) inner space, suction tude (1) and outlet pipe (2) is embedded with respectively in the through hole at two ends, described suction tude (1) and outlet pipe (2) are all sealed and matched with the through hole at respective place, the first dividing plate (5) and second partition (7) is provided with in described muffler body (3) inner chamber, muffler body (3) inner chamber is divided into the first chamber by described first dividing plate (5) and second partition (7), second chamber and the 3rd chamber, described first chamber is communicated with suction tude (1), described 3rd chamber is communicated with outlet pipe (2), described first dividing plate (5) is provided with some honeycomb ducts (4), the two ends of described honeycomb duct (4) lay respectively at the both sides of the first dividing plate (5), one end of described honeycomb duct (4) and the first chamber, the other end and the second chamber, described second partition (7) is provided with the first perforated pipe (6), the two ends of described first perforated pipe (6) lay respectively at the both sides of second partition (7), one end of described first perforated pipe (6) and the second chamber, the other end and the 3rd chamber, the second perforated pipe (9) being provided with perforated plate (8) in described 3rd chamber and being communicated with outlet pipe (2), described perforated plate (8) is arranged along the madial wall of the 3rd chamber, also quieter material is provided with between the madial wall of described perforated plate (8) and the 3rd chamber.
2. a kind of exhaust silencer according to claim 1, is characterized in that: described second chamber length is 3/7 ~ 4/7 of the first chamber length, and described 3rd chamber length is 7/8 ~ 9/8 of the second chamber length.
3. a kind of exhaust silencer according to claim 1, it is characterized in that: two of described suction tude (1) ports lay respectively in the first chamber and muffler body (3) outward, the length that described suction tude (1) is positioned at the first chamber is 3/8 ~ 5/8 of the first chamber length.
4. a kind of exhaust silencer according to claim 1, is characterized in that: the quantity of described honeycomb duct (4) is 4 ~ 6, and arranges around the medial axis of muffler body (3).
5. a kind of exhaust silencer according to claim 4, is characterized in that: described honeycomb duct (4) length is 3/8 ~ 5/8 of the second chamber length.
6. a kind of exhaust silencer according to claim 1, is characterized in that: the hole of described first perforated pipe (6) is positioned at the second chamber.
7. a kind of exhaust silencer according to claim 6, it is characterized in that: described first perforated pipe (6) length is 3/4 ~ 7/8 of the second chamber length, the length that described first perforated pipe (6) is positioned at the first chamber is 3/2 ~ 2/1 with the ratio of the length being positioned at the second chamber.
8. a kind of exhaust silencer according to claim 1, is characterized in that: described second perforated pipe (9) length is 3/8 ~ 5/8 of the 3rd chamber length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455377.1U CN204082265U (en) | 2014-08-13 | 2014-08-13 | A kind of exhaust silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455377.1U CN204082265U (en) | 2014-08-13 | 2014-08-13 | A kind of exhaust silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082265U true CN204082265U (en) | 2015-01-07 |
Family
ID=52174994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420455377.1U Expired - Fee Related CN204082265U (en) | 2014-08-13 | 2014-08-13 | A kind of exhaust silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082265U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863785A (en) * | 2016-05-23 | 2016-08-17 | 浙江创格科技有限公司 | Exhaust silencer |
| CN106523074A (en) * | 2016-12-27 | 2017-03-22 | 江苏英田专用车制造有限公司 | Front silencer for passenger car |
| CN107725323A (en) * | 2017-09-26 | 2018-02-23 | 台州宝乾机电有限公司 | A kind of muffler and its noise reduction method |
| CN109424390A (en) * | 2017-08-30 | 2019-03-05 | 湖北福田专用汽车有限公司 | Silencing exhaust pipe device |
| CN110397571A (en) * | 2019-08-13 | 2019-11-01 | 珠海格力电器股份有限公司 | Denoising device and compressor with upset air pulsing effect |
| CN113446748A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
-
2014
- 2014-08-13 CN CN201420455377.1U patent/CN204082265U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863785A (en) * | 2016-05-23 | 2016-08-17 | 浙江创格科技有限公司 | Exhaust silencer |
| CN105863785B (en) * | 2016-05-23 | 2018-10-30 | 浙江创格科技有限公司 | A kind of muffler |
| CN106523074A (en) * | 2016-12-27 | 2017-03-22 | 江苏英田专用车制造有限公司 | Front silencer for passenger car |
| CN109424390A (en) * | 2017-08-30 | 2019-03-05 | 湖北福田专用汽车有限公司 | Silencing exhaust pipe device |
| CN107725323A (en) * | 2017-09-26 | 2018-02-23 | 台州宝乾机电有限公司 | A kind of muffler and its noise reduction method |
| CN110397571A (en) * | 2019-08-13 | 2019-11-01 | 珠海格力电器股份有限公司 | Denoising device and compressor with upset air pulsing effect |
| CN110397571B (en) * | 2019-08-13 | 2024-03-08 | 珠海格力电器股份有限公司 | Noise reduction device with disturbing gas pulsation effect and compressor |
| CN113446748A (en) * | 2020-03-27 | 2021-09-28 | 青岛海尔电冰箱有限公司 | Refrigerating system and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150813 |
|
| EXPY | Termination of patent right or utility model |