CN211975133U - Combined type automobile exhaust noise eliminator - Google Patents
Combined type automobile exhaust noise eliminator Download PDFInfo
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- CN211975133U CN211975133U CN202020499936.4U CN202020499936U CN211975133U CN 211975133 U CN211975133 U CN 211975133U CN 202020499936 U CN202020499936 U CN 202020499936U CN 211975133 U CN211975133 U CN 211975133U
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Abstract
The utility model belongs to the technical field of the gasoline engine tail gas aftertreatment, a combined type automobile exhaust noise eliminator is disclosed, include: the two air outlet ends of the air inlet clam shell extend into two adjacent cavities in the outer shell; the first hole pipe is connected with one air outlet end of the air inlet clam shell and extends out of the end cover at one end of the outer shell, holes are formed in the middle of the first hole pipe and the air outlet end, and the first inner silencing shell is wrapped outside the holes at the air outlet end; the second hole pipe penetrates through all the partition plates and extends out of the end cover at the other end of the outer shell, and the air outlet end of the second hole pipe is provided with a hole and wraps the inner second silencing shell; the number of the air outlet clamshells is two, and the two air outlet clamshells are respectively connected with the air outlet ends of the first hole pipe and the second hole pipe. The utility model has compact structure, convenient installation and beautiful appearance; the noise and the back pressure of the automobile engine can be effectively controlled at the same time.
Description
Technical Field
The utility model belongs to the technical field of gasoline engine tail gas aftertreatment, a combined type car exhaust noise eliminator is related to an exhaust noise eliminator particularly.
Background
Automobile consumers increasingly demand comfort level in the cabin, sound quality is an important component of comfort level, and good sound quality brings better driving experience for the consumers. The automobile noise mainly comes from engine noise, tire noise, air noise, external noise and the like, and the installation of the exhaust silencer is a main measure for reducing the exhaust noise of the automobile engine at present.
The design of the exhaust muffler not only reduces noise, but also considers the influence on the power performance of the engine. Most of existing mufflers adopt a relatively complex internal structure design to achieve the purpose of reducing noise, but exhaust back pressure is increased frequently, so that the power performance of an engine is poor.
Disclosure of Invention
The utility model aims at solving the above problem, provide a combined type automobile exhaust noise eliminator, can reduce automobile engine exhaust noise effectively to control engine exhaust backpressure level and satisfy the designing requirement.
According to the technical scheme of the utility model, combined type car exhaust noise eliminator, include:
the device comprises an outer shell, wherein end covers are arranged at two ends of the outer shell, the interior of the outer shell is divided into a plurality of chambers by using partition plates, and holes are densely distributed on the partition plates;
the air inlet end of the air inlet clam shell is connected with an air inlet flange, the first air outlet end of the air inlet clam shell is connected with an air inlet and outlet pipe through a first connecting pipe, the second air outlet end of the air inlet clam shell is sequentially connected with a second connecting pipe and a third connecting pipe, the second connecting pipe is provided with an adjusting valve, and the air inlet and outlet pipe and the third connecting pipe extend into two adjacent cavities in the outer shell;
the air inlet end of the first hole pipe is connected with the third connecting pipe, the air outlet end of the first hole pipe penetrates through the partition plate and extends out of the end cover of the outer shell, which is far away from one end of the third connecting pipe, holes are formed in the middle of the first hole pipe and the air outlet end, and the hole of the air outlet end is wrapped by the first inner silencing shell;
the second hole pipe penetrates through all the partition plates and extends out of the end cover at the other end of the outer shell, and the air outlet end of the second hole pipe is provided with a hole and wraps the second inner silencing shell;
the number of the gas outlet clamshells is two, the gas outlet ends of the first hole pipe and the second hole pipe are respectively connected, and the gas outlet end of the gas outlet clamshell is connected with the gas outlet pipe.
Furthermore, a supporting partition plate is arranged in the outer shell, and the air inlet and outlet pipe and the third connecting pipe penetrate through the supporting partition plate and extend into a cavity in the outer shell.
Further, the support spacers are welded between adjacent spacers.
Further, the regulating valve is installed on the second connecting pipe by utilizing an anchor ear.
Furthermore, the number of the air outlet ends of the air outlet clam shell is two.
Furthermore, a through hole is formed in the partition plate between the air inlet and outlet pipe and the air inlet end of the second hole pipe.
The beneficial effects of the utility model reside in that: the structure is compact, the installation is convenient, and the appearance is beautiful; the noise and the back pressure of the automobile engine can be effectively controlled at the same time.
Drawings
Fig. 1 is a schematic diagram of the external structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural view of the present invention for removing the outer shell and the inner muffling shell.
Fig. 4 is a schematic structural diagram of the first hole pipe of the present invention.
Fig. 5 is a schematic structural view of the second hole pipe of the present invention.
Description of reference numerals: 1-air inlet flange, 2-first bent pipe, 3-air inlet clam shell, 4-first connecting pipe, 5-air inlet and outlet pipe, 6-regulating valve, 7-hoop, 8-second connecting pipe, 9-third connecting pipe, 10-second bent pipe, 11-first hole pipe, 12-first internal silencing shell, 13-first air outlet clam shell, 14-first air outlet pipe, 15-second air outlet pipe, 16-second hole pipe, 17-second internal silencing shell, 18-second air outlet clam shell, 19-third air outlet pipe, 20-fourth air outlet pipe, 21-first end cover, 22-first clapboard, 23-second clapboard, 24-third clapboard, 25-fourth clapboard, 26-second end cover, 27-first supporting clapboard, 28-second support baffle, 29-outer shell, 30-first chamber, 31-second chamber, 32-third chamber, 33-fourth chamber, 34-fifth chamber.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
As shown in fig. 1-3: combined type car exhaust noise eliminator mainly includes shell body 29, the clamshell 3 that admits air, first hole pipe 11, second hole pipe 16 and the clamshell of giving vent to anger, wherein:
two ends of the outer shell 29 are provided with end covers, namely a first end cover 21 on the left side and a second end cover 26 on the right side, the inside of the outer shell 29 is divided into a plurality of chambers by using partition plates, the partition plates are parallel to the end covers, and holes are densely distributed on the partition plates; specifically, the number of the partition plates may be four: from left to right are in turn a first partition 22, a second partition 23, a third partition 24, a fourth partition 25, the four partitions dividing the interior of the outer shell 29 into five chambers from left to right: first chamber 30, second chamber 31, third chamber 32, fourth chamber 33, fifth chamber 34;
the air inlet end of the air inlet clam shell 3 is connected with an air inlet flange 1 by a first bent pipe 2; the first air outlet end of the air inlet clam shell 3 is connected with an air inlet and outlet pipe 5 by a first connecting pipe 4, and the air inlet and outlet pipe 5 can be a straight pipe; a second air outlet end of the air inlet clam shell 3 is sequentially connected with a second connecting pipe 8 and a third connecting pipe 9, and the second connecting pipe 8 is provided with an adjusting valve 6; the air inlet and outlet pipe 5 and the third connecting pipe 9 extend into two adjacent cavities in the middle part of the outer shell 29, in the figure, the air inlet and outlet pipe 5 extends into the third cavity 32, and the third connecting pipe 9 extends into the fourth cavity 33;
the air inlet end of the first hole pipe 11 is connected with the third connecting pipe 9 by using the second bent pipe 10, the air outlet end of the first hole pipe 11 passes through the partition plate and extends out of the end cover, namely the first end cover 21, of the outer shell 29, which is far away from one end of the third connecting pipe 9, as shown in fig. 4, the middle part and the air outlet end of the first hole pipe 11 are provided with holes, and the holes of the air outlet end are wrapped by the first inner silencing shell 12;
the second hole pipe 16 penetrates all the partition plates and extends out of the end cover at the other end of the outer shell 29, namely the second end cover 26, as shown in fig. 5, the air outlet end of the second hole pipe 16 is provided with a hole and wraps the second inner silencing shell 17;
the number of the air outlet mussel shells is two: the left first air outlet clam shell 13 and the right second air outlet clam shell 18, the first air outlet clam shell 13 is connected with the air outlet end of the first hole pipe 11, the second air outlet clam shell 18 is connected with the air outlet end of the second hole pipe 16, and the air outlet end of the air outlet clam shell is connected with the air outlet pipe.
Further, be equipped with the support baffle in the shell body 29, including first support baffle 27 and second support baffle 28, inlet air outlet pipe 5 and third connecting pipe 9 pass first support baffle 27 and second support baffle 28 respectively and stretch into the cavity in the shell body 29, and structural stability is high, has reduced the production of noise, and the support baffle welds between adjacent baffle. The governing valve 6 utilizes staple bolt 7 to install on second connecting pipe 8, include with staple bolt 7 fixed connection's regulation disk seat, be equipped with the spring leaf in the regulation disk seat, be connected with the governing valve plectrum on the spring leaf, the governing valve plectrum stretches into in the second connecting pipe 8 and can make a round trip to stir. The number of the air outlet ends of the air outlet clam shells is two, the two air outlet ends of the first air outlet clam shell 13 are respectively connected with the first air outlet pipe 14 and the second air outlet pipe 15, and the two air outlet ends of the second air outlet clam shell 18 are respectively connected with the third air outlet pipe 19 and the fourth air outlet pipe 20. The partition plate between the air inlet and outlet pipe 5 and the air inlet end of the second hole pipe 16 is provided with through holes, so that the circulation of air flow among the cavities is accelerated.
The working principle is as follows: the engine exhaust gas enters the air inlet clam shell 3 for shunting after flowing through the first bent pipe 2, a part of the gas flow enters the third chamber 32 after flowing through the first connecting pipe 4 and the air inlet and outlet pipe 5, enters the second chamber 31 through the hole and the through hole on the second partition plate 23, enters the first chamber 30 through the hole and the through hole on the first partition plate 22, then flows into the second hole pipe 16 and the second air outlet clam shell 18, and is discharged through the third air outlet pipe 19 and the fourth air outlet pipe 20 respectively;
the other part of the airflow is discharged by a first air outlet pipe 14 and a second air outlet pipe 15 respectively after flowing through a second connecting pipe 8, a third connecting pipe 9, a second bent pipe 10, a first hole pipe 11 and a first air outlet clam shell 13;
when the engine runs at a low speed, the air flow speed is low, the regulating valve plectrum is in a closed state, the air flow mainly flows into the silencer through the first connecting pipe 4 and the air inlet and outlet pipe 5 and is finally discharged through the third air outlet pipe 19 and the fourth air outlet pipe 20;
when the engine runs at a high speed, the air flow speed is high, the air flow enables the regulating valve plectrum to be in an open state, the air flow is divided into 2 groups of air flows, one group of air flows enters the silencer through the first connecting pipe 4 and the air inlet and outlet pipe 5, and finally the air flows are discharged through the third air outlet pipe 19 and the fourth air outlet pipe 20; the other group of air flow enters the silencer through a second connecting pipe 8 and a third connecting pipe 9 and is finally discharged through a first air outlet pipe 14 and a second air outlet pipe 15.
The utility model is compact, convenient to install and beautiful in appearance; the noise and the back pressure of the automobile engine can be effectively controlled at the same time.
Claims (6)
1. A combined type automobile exhaust muffler device, characterized by comprising:
the device comprises an outer shell (29), wherein end covers are arranged at two ends of the outer shell (29), the inside of the outer shell (29) is divided into a plurality of chambers by using partition plates, and holes are densely distributed on the partition plates;
the air inlet clam shell (3), the air inlet end of the air inlet clam shell (3) is connected with an air inlet flange (1), the first air outlet end of the air inlet clam shell (3) is connected with an air inlet and outlet pipe (5) through a first connecting pipe (4), the second air outlet end of the air inlet clam shell (3) is sequentially connected with a second connecting pipe (8) and a third connecting pipe (9), an adjusting valve (6) is arranged on the second connecting pipe (8), and the air inlet and outlet pipe (5) and the third connecting pipe (9) extend into two adjacent cavities in the outer shell (29);
the air inlet end of the first hole pipe (11) is connected with the third connecting pipe (9), the air outlet end of the first hole pipe (11) penetrates through the partition plate to extend out of the end cover of the outer shell (29) far away from one end of the third connecting pipe (9), holes are formed in the middle and the air outlet end of the first hole pipe (11), and the hole of the air outlet end is wrapped by the first inner silencing shell (12);
the second hole pipe (16) penetrates through all the partition plates and extends out of the end cover at the other end of the outer shell (29), and the air outlet end of the second hole pipe (16) is provided with a hole and wraps the second inner silencing shell (17);
the number of the gas outlet clamshells is two, the two gas outlet clamshells are respectively connected with the gas outlet ends of the first hole pipe (11) and the second hole pipe (16), and the gas outlet end of the gas outlet clamshell is connected with the gas outlet pipe.
2. The combined type automobile exhaust muffler device according to claim 1, wherein a supporting partition plate is arranged in the outer shell (29), and the inlet and outlet pipe (5) and the third connecting pipe (9) penetrate through the supporting partition plate and extend into a chamber in the outer shell (29).
3. The composite automotive exhaust muffler assembly of claim 2, wherein the support spacers are welded between adjacent spacers.
4. The hybrid vehicle exhaust muffler device according to claim 1, wherein the control valve (6) is mounted on the second connection pipe (8) by using an anchor ear (7).
5. The composite automotive exhaust muffler device of claim 1, wherein the number of the outlet ends of the outlet clam shell is two.
6. The combined type automobile exhaust muffler device according to claim 1, wherein a through hole is formed in the partition plate between the inlet and outlet pipe (5) and the inlet end of the second perforated pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499936.4U CN211975133U (en) | 2020-04-08 | 2020-04-08 | Combined type automobile exhaust noise eliminator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499936.4U CN211975133U (en) | 2020-04-08 | 2020-04-08 | Combined type automobile exhaust noise eliminator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211975133U true CN211975133U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020499936.4U Active CN211975133U (en) | 2020-04-08 | 2020-04-08 | Combined type automobile exhaust noise eliminator |
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| CN (1) | CN211975133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382698A (en) * | 2022-01-28 | 2022-04-22 | 杰锋汽车动力***股份有限公司 | Fuel cell air compressor silencer |
-
2020
- 2020-04-08 CN CN202020499936.4U patent/CN211975133U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382698A (en) * | 2022-01-28 | 2022-04-22 | 杰锋汽车动力***股份有限公司 | Fuel cell air compressor silencer |
| CN114382698B (en) * | 2022-01-28 | 2024-04-09 | 杰锋汽车动力***股份有限公司 | Muffler of fuel cell air compressor |
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