CN204283558U - A kind of exhaust silencer composition - Google Patents
A kind of exhaust silencer composition Download PDFInfo
- Publication number
- CN204283558U CN204283558U CN201420786052.1U CN201420786052U CN204283558U CN 204283558 U CN204283558 U CN 204283558U CN 201420786052 U CN201420786052 U CN 201420786052U CN 204283558 U CN204283558 U CN 204283558U
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- China
- Prior art keywords
- interpolation pipe
- end cap
- inner chamber
- dividing plate
- perforation
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Abstract
The utility model belongs to technical field of automobile components, and provide a kind of exhaust silencer composition, be disposed with the first end cap, the first dividing plate, second partition and the second end cap from one end of sleeve to the other end, second partition is provided with several the first through holes; Glass fibre is distributed with between first dividing plate and second partition; Also comprise the first interpolation pipe that two ends are connected to the first end cap and the first dividing plate, and two ends are connected to the second interpolation pipe of the second end cap and second partition, the first interpolation pipe and the second interpolation pipe are respectively equipped with the first perforation and the second perforation.By increasing the glass fibre had Multiband silencing noise, improve the versatility of exhaust silencer, using a kind of structure can meet the vehicle requirement of multiple discharge capacity, thus save manufacture cost.
Description
Technical field
The utility model belongs to technical field of automobile components, is specifically related to a kind of exhaust silencer composition.
Background technique
Be equipped with the vehicle of motor at present, because motor can produce a large amount of gas of combustion when high speed operation, can attach a large amount of pneumatic noises when being put into the external world by tubes rows, the distribution of its noise frequency is comparatively extensive, needs to mate corresponding exhaust silencer in air-flow stroke.
Existing exhaust silencer as shown in Figure 1, comprise the first end cap 102 and the second end cap 103 being positioned at sleeve two ends, many interpolation pipes 101 to be placed in sleeve between the first end cap 102 and the second end cap 103, and the first end cap 102 and the second end cap 103 is stretched out at the two ends of interpolation pipe 101 respectively, the interpolation pipe sidewall between the first end cap 102 and the second end cap 103 is provided with equally distributed perforation.
The inner chamber that the exhaust silencer of prior art only has the first end cap 102 and the second end cap 103 to be formed, simple loop structure is formed with interpolation pipe 101, the frequency of noise elimination of the silencing apparatus of this kind of structure is relevant with its length to diameter ratio, same length to diameter ratio can only be eliminated the noise to the noise of single-frequency, vehicle for different displacements needs the exhaust silencer designing different-diameter length ratio, therefore, existing exhaust silencer lacks versatility, adds manufacture cost; And this structure is due to the restriction by inner space of vehicle, noise elimination effect can only be played at the noise being greater than 100 hertz to frequency, noise frequency being less than to 100 hertz must can work by the very large receiving cavity of design volume, but volume is too large, and automotive interior cannot use.
Model utility content
The purpose of this utility model is to provide a kind of exhaust silencer composition, by increasing the glass fibre had Multiband silencing noise, improve the versatility of exhaust silencer, use a kind of structure can meet the vehicle requirement of multiple discharge capacity, thus save manufacture cost.
To achieve these goals, the utility model provides following technological scheme:
A kind of exhaust silencer, comprises the first end cap and the second end cap that are connected to sleeve two ends; Also comprise the first dividing plate be arranged between described first end cap and described second end cap and the second partition offering several the first through holes, and the more described second partition of described first dividing plate is near described first end cap; Described sleeve is separated to form the first inner chamber, the second inner chamber and the 3rd inner chamber by described first end cap, described first dividing plate, described second partition and described second end cap successively, is distributed with glass fibre in described second inner chamber; Also comprise the first interpolation pipe and the second interpolation pipe, the outside of described first end cap is stretched out in one end of described first interpolation pipe, and the other end stretches into described second inner chamber, and the sidewall that described first interpolation pipe is positioned at described first inner chamber is provided with several the first perforation; The side of described second end cap is stretched out in one end of described second interpolation pipe, and the other end stretches into described second inner chamber, and the sidewall that described second interpolation pipe is positioned at described 3rd inner chamber is provided with several the second perforation.
Further, described first inner chamber is provided with the 3rd dividing plate and the 3rd interpolation pipe, and described 3rd dividing plate is provided with several the second through holes; Described first inner chamber is divided into first point of inner chamber near described first end cap and second point of inner chamber near described first dividing plate by described 3rd dividing plate; Described second point of inner chamber is stretched in one end of described 3rd interpolation pipe, and the other end stretches into described second inner chamber, and the sidewall that described 3rd interpolation pipe is positioned at described second point of inner chamber is provided with several the 3rd perforation; Described first interpolation pipe stretches into described second point of inner chamber away from one end of described first end cap, and described first perforation is positioned at described first point of inner chamber.
Further, the diameter of described 3rd interpolation pipe is greater than the diameter of described first interpolation pipe, described second interpolation pipe.
Further, described first perforation is distributed with several rows along the even circumferential of described first interpolation pipe, and is evenly distributed with some row along the axis of described first interpolation pipe.
Further, described first perforation distributions has 16 row, 12 row.
Further, the number of described second perforation and/or described 3rd perforation is identical with the number that described first bores a hole.
Further, described second interpolation pipe is positioned at the side of described second end cap near ground.
Further, described second interpolation pipe is closed away from one end of described second end cap, and through described second inner chamber, and stretches into described second point of inner chamber, and described second interpolation pipe is placed in a section of described second inner chamber and is provided with several the 4th perforation.
Further, described 4th perforation is distributed with 32 row along the even circumferential of described second interpolation pipe, and is evenly distributed with 3 row along the axis of described second interpolation pipe.
Further, described second end cap is provided with strengthening groove.
The beneficial effects of the utility model are:
The utility model increases the first dividing plate and second partition between the first end cap and the second end cap, and glass fibre is distributed with between the first dividing plate and second partition, utilize glass fibre to the soundproof effect of Multiband noise, make exhaust silencer can meet the noise elimination of multiple band noise simultaneously, there is versatility, thus use a kind of structure can be applicable to the requirement of multiple discharge capacity vehicle, reduce cost of production.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art exhaust silencer;
Fig. 2 is the structural representation that exhaust silencer provided by the utility model forms a kind of embodiment;
Fig. 3 be exhaust silencer provided by the utility model form a kind of embodiment remove sleeve after structural representation;
Fig. 4 is the structural representation that exhaust silencer provided by the utility model forms a kind of embodiment second interpolation pipe;
Fig. 5 is the structural representation that exhaust silencer provided by the utility model forms a kind of embodiment second partition.
Reference character:
In FIG:
101, interpolation pipe, the 102, first end cap, the 103, second end cap;
In Fig. 2-Fig. 5:
201, the first end cap, 202, sleeve, the 203, second end cap, the 204, the 3rd dividing plate, 205 the 3rd interpolation pipes, the 206, first dividing plate, 207, second partition, the 208, second interpolation pipe, the 209, first interpolation pipe.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 2-Fig. 5, in a kind of embodiment, exhaust silencer provided by the utility model, comprises the first end cap 201 and the second end cap 203 being connected to sleeve 202 two ends; Also comprise and be placed in the first dividing plate 206 between the first end cap 201 and the second end cap 203 and second partition 207, and the first dividing plate 206 comparatively second partition 207 is near the first end cap 201, second partition 207 is provided with several the first through holes; Sleeve 202, first dividing plate 206 and second partition 207 form the second inner chamber, are distributed with glass fibre in the second inner chamber; Also comprise the first interpolation pipe 209 and the second interpolation pipe 208, the side of the first end cap 201 away from the first dividing plate 206 is stretched out in one end of first interpolation pipe 209, the other end stretches into the second inner chamber, and the one section sidewall of the first interpolation pipe 209 between the first end cap 201 and the first dividing plate 206 is provided with several and first bores a hole; The second interpolation pipe 208 is provided with between second end cap 203 and second partition 207, the side of the second end cap 203 away from second partition 207 is stretched out in one end of second interpolation pipe 205, the other end stretches into the second inner chamber, and the one section sidewall of the second interpolation pipe 208 between the second end cap 203 and second partition 207 is provided with several and second bores a hole.
Above-described embodiment increases the first dividing plate 206 and second partition 207 between the first end cap 201 and the second end cap 203, and glass fibre is distributed with between the first dividing plate 206 and second partition 207, utilize glass fibre to the soundproof effect of Multiband noise, make exhaust silencer can meet the noise elimination of multiple band noise simultaneously, there is versatility, thus use a kind of structure can be applicable to the requirement of multiple discharge capacity vehicle, reduce cost of production.
Preferably the diameter of the first through hole is 3mm, on second partition 207 all be distributed with 203, to reach better soundproof effect.
First end cap 201 and the connection of the first interpolation pipe 209 can be weld, to rivet or screw connects, preferred weld, convenient processing.First dividing plate 206 and the connection of the first interpolation pipe 209 can be weld, to rivet or screw connects, preferred weld, convenient processing.Second end cap 203 and the connection of the second interpolation pipe 208 can be weld, to rivet or screw connects, preferred weld, convenient processing.Second partition 207 and the connection of the second interpolation pipe 208 can be weld, to rivet or screw connects, preferred weld, convenient processing.
Sleeve 202 is separated to form the first inner chamber, the second inner chamber and the 3rd inner chamber by the first end cap 201, first dividing plate 206, second partition 207 and the second end cap 203 successively, and namely the first end cap 201 and the first dividing plate 206 are separated to form the first inner chamber; First dividing plate 206 is separated to form the second inner chamber with second partition 207; Second partition 207 and the second end cap 203 are separated to form the 3rd inner chamber.
The 3rd dividing plate 204 is provided with and the 3rd interpolation pipe the 205, three dividing plate 204 is provided with several the second through holes between first end cap 201 and the first dividing plate 206; The side of the 3rd dividing plate 204 near the first end cap 201 is stretched out in one end of 3rd interpolation pipe 205, and the other end stretches into the second inner chamber, and the sidewall of a section of the 3rd interpolation pipe 205 between the 3rd dividing plate 204 and the first dividing plate 206 is provided with several the 3rd perforation; First interpolation pipe 209 stretches out the side of the 3rd dividing plate 204 near the first dividing plate 206 away from one end of the first end cap 201.This structure, by increasing gas flow loop, can reach soundproof effect better.
First inner chamber is divided into first point of inner chamber near the first end cap 201 by the 3rd dividing plate 204, and second point of inner chamber of close first dividing plate 206, and namely first end end cap 201 and the 3rd dividing plate 204 form first point of inner chamber; 3rd dividing plate 204 and the first dividing plate 206 form second point of inner chamber.
Preferably, the diameter of the second through hole is 8mm, and on the 3rd dividing plate 204 all be distributed with 48, to reach better soundproof effect.
The first end cap 201, the 3rd dividing plate 204, first dividing plate 206, second partition 207, second end cap 203 is connected with in turn from one end of sleeve 202 to the other end; The first interpolation pipe 209 is connected with between first end cap 201 and the 3rd dividing plate 204; The 3rd interpolation pipe 205 is connected with between 3rd dividing plate 204 and the first dividing plate 206; The second interpolation pipe 208 is connected with between second partition 207 and the second end cap 203.Sleeve 202 can be respectively with the connection of the first end cap 201, the 3rd dividing plate 204, first dividing plate 206, second partition 207 and the second end cap 203 and weld, to rivet or screw connects, and preferred weld connects, convenient processing; 3rd dividing plate 204 and the connection of the first interpolation pipe 209 can be weld, to rivet or screw connects, preferred weld, convenient processing; 3rd dividing plate 204 and the connection of the 3rd interpolation pipe 205 can be weld, to rivet or screw connects, preferred weld, convenient processing; First dividing plate 206 and the connection of the 3rd interpolation pipe 205 can be weld, to rivet or screw connects, preferred weld, convenient processing.
Preferably the first end cap 201, the 3rd dividing plate 204, first dividing plate 206, second partition 207, second end cap 203 are respectively all equal ellipsoidal structure of major axis, minor axis, and five are coaxially arranged, the major axis of five forms the first plane, and the minor axis of five forms the second plane; First interpolation pipe 209 and the 3rd interpolation pipe 205 are positioned at the homonymy of the first plane, and lay respectively at the both sides of the second plane, and the axis of the first interpolation pipe 209 is 59mm to the distance of the second plane, and the distance to the first plane is 30mm; The axis of the 3rd interpolation pipe 205 is 60mm to the distance of the second plane, and the distance to the first plane is 35mm; Second interpolation pipe 208 and the 3rd interpolation pipe 205 lay respectively at the both sides of the first plane, and the axis of the second interpolation pipe 208 is 35mm to the distance of the first plane, and is positioned at the second plane.This structure is best by verification experimental verification soundproof effect.
The diameter of the 3rd interpolation pipe 205 is greater than the diameter of the first interpolation pipe 209, second interpolation pipe 208.This structure can reach exhaust effect better.
First perforation is distributed with several rows along the even circumferential of the first interpolation pipe 209, and is evenly distributed with some row along the axis of the first interpolation pipe 209.Complicated gas flow loop is enable to be vented more smooth and easy by the first perforation of multiple lines and multiple rows.
First perforation distributions has 16 row, 12 row.This quantity prove by experiment exhaust and soundproof effect best.
The number of the second perforation and/or the 3rd perforation is identical with the number that first bores a hole.This structure is convenient to processing.
Second interpolation pipe 208 is positioned at the side of the second end cap 203 near ground.This structure is convenient to the discharge of condensed water in pipeline, prevents gas exhaust piping from getting rusty.
Second interpolation pipe 208 is closed away from one end of the second end cap 203, and through the second inner chamber, and stretching into second point of inner chamber, one section of sidewall that the second interpolation pipe 208 is placed in the second inner chamber is provided with several the 4th perforation.This structure makes the air-flow of the second inner chamber, and some is flowed to the second end cap 203 by the 4th perforation, increases gas flow loop, reaches soundproof effect better.
4th perforation is distributed with 32 row along the even circumferential of the second interpolation pipe 208, and is evenly distributed with 3 row along the axis of the second interpolation pipe 208.The more effective effect playing noise elimination of this structure.
Preferably the first perforation, the second perforation, the 3rd perforation and the 4th diameter of boring a hole are 3mm, are convenient to processing, and can reach better soundproof effect.
Second end cap 203 is provided with strengthening groove.To improve the intensity of the second end cap 202.
Preferably the first end cap 201 is also provided with strengthening groove, to improve the intensity of the first end cap 201.
When above-described embodiment is implemented, air-flow enters the first interpolation pipe 209, a part enters into first point of inner chamber by the first perforation, and another part directly enters second point of inner chamber, and the air-flow of first point of inner chamber finally also enters into second point of inner chamber by the second through hole on the 3rd dividing plate 204; The air-flow of second point of inner chamber enters into the glass fibre of the second inner chamber by the 3rd perforation, then a part of air-flow enters into the 3rd inner chamber by the first through hole on second partition 207, another part enters into the second interpolation pipe 208 by the 4th perforation, the air-flow of the 3rd inner chamber also enters into the second interpolation pipe 208 by the second perforation, and the air-flow of the second last interpolation pipe discharges the outside of the second end cap 203.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and only by the restriction of claim, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present utility model and scope.
Claims (10)
1. an exhaust silencer composition, comprises the first end cap and the second end cap that are connected to sleeve two ends; It is characterized in that, also comprise the first dividing plate be arranged between described first end cap and described second end cap and the second partition offering several the first through holes, and the more described second partition of described first dividing plate is near described first end cap; Described sleeve is separated to form the first inner chamber, the second inner chamber and the 3rd inner chamber by described first end cap, described first dividing plate, described second partition and described second end cap successively, is distributed with glass fibre in described second inner chamber; Also comprise the first interpolation pipe and the second interpolation pipe, the outside of described first end cap is stretched out in one end of described first interpolation pipe, and the other end stretches into described second inner chamber, and the sidewall that described first interpolation pipe is positioned at described first inner chamber is provided with several the first perforation; The side of described second end cap is stretched out in one end of described second interpolation pipe, and the other end stretches into described second inner chamber, and the sidewall that described second interpolation pipe is positioned at described 3rd inner chamber is provided with several the second perforation.
2. exhaust silencer composition according to claim 1, it is characterized in that, described first inner chamber is provided with the 3rd dividing plate and the 3rd interpolation pipe, and described 3rd dividing plate is provided with several the second through holes; Described first inner chamber is divided into first point of inner chamber near described first end cap and second point of inner chamber near described first dividing plate by described 3rd dividing plate; Described second point of inner chamber is stretched in one end of described 3rd interpolation pipe, and the other end stretches into described second inner chamber, and the sidewall that described 3rd interpolation pipe is positioned at described second point of inner chamber is provided with several the 3rd perforation; Described first interpolation pipe stretches into described second point of inner chamber away from one end of described first end cap, and described first perforation is positioned at described first point of inner chamber.
3. exhaust silencer composition according to claim 2, it is characterized in that, the diameter of described 3rd interpolation pipe is greater than the diameter of described first interpolation pipe, described second interpolation pipe.
4. exhaust silencer composition according to claim 2, is characterized in that, described first perforation is distributed with several rows along the even circumferential of described first interpolation pipe, and is evenly distributed with some row along the axis of described first interpolation pipe.
5. exhaust silencer composition according to claim 4, it is characterized in that, described first perforation distributions has 16 row, 12 row.
6. exhaust silencer composition according to claim 5, is characterized in that, the number of described second perforation and/or described 3rd perforation is identical with the number that described first bores a hole.
7. the exhaust silencer composition according to any one of claim 1-6, it is characterized in that, described second interpolation pipe is positioned at the side of described second end cap near ground.
8. the exhaust silencer composition according to any one of claim 2-6, it is characterized in that, described second interpolation pipe is closed away from one end of described second end cap, and through described second inner chamber, and stretching into described second point of inner chamber, described second interpolation pipe is placed in a section of described second inner chamber and is provided with several the 4th perforation.
9. exhaust silencer composition according to claim 8, is characterized in that, described 4th perforation is distributed with 32 row along the even circumferential of described second interpolation pipe, and is evenly distributed with 3 row along the axis of described second interpolation pipe.
10. the exhaust silencer composition according to any one of claim 1-6, it is characterized in that, described second end cap is provided with strengthening groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786052.1U CN204283558U (en) | 2014-12-11 | 2014-12-11 | A kind of exhaust silencer composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420786052.1U CN204283558U (en) | 2014-12-11 | 2014-12-11 | A kind of exhaust silencer composition |
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| Publication Number | Publication Date |
|---|---|
| CN204283558U true CN204283558U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420786052.1U Expired - Fee Related CN204283558U (en) | 2014-12-11 | 2014-12-11 | A kind of exhaust silencer composition |
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| CN (1) | CN204283558U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545413A (en) * | 2016-02-23 | 2016-05-04 | 偃师市宇龙金属加工厂 | Multi-air-chamber exhaust silencer for internal combustion engine |
| CN105545412A (en) * | 2016-02-23 | 2016-05-04 | 偃师市宇龙金属加工厂 | Exhaust silencer for internal combustion engine |
| CN105673138A (en) * | 2016-02-23 | 2016-06-15 | 偃师市宇龙金属加工厂 | Multi-gas-chamber cyclone silencing method of internal combustion engine |
| CN106194755A (en) * | 2016-09-21 | 2016-12-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor |
| CN114593038A (en) * | 2020-12-07 | 2022-06-07 | 中国科学院沈阳科学仪器股份有限公司 | Novel silencer for multistage dry vacuum pump |
-
2014
- 2014-12-11 CN CN201420786052.1U patent/CN204283558U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545413A (en) * | 2016-02-23 | 2016-05-04 | 偃师市宇龙金属加工厂 | Multi-air-chamber exhaust silencer for internal combustion engine |
| CN105545412A (en) * | 2016-02-23 | 2016-05-04 | 偃师市宇龙金属加工厂 | Exhaust silencer for internal combustion engine |
| CN105673138A (en) * | 2016-02-23 | 2016-06-15 | 偃师市宇龙金属加工厂 | Multi-gas-chamber cyclone silencing method of internal combustion engine |
| CN106194755A (en) * | 2016-09-21 | 2016-12-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor |
| CN114593038A (en) * | 2020-12-07 | 2022-06-07 | 中国科学院沈阳科学仪器股份有限公司 | Novel silencer for multistage dry vacuum pump |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| 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: 20150422 Termination date: 20191211 |