CN211422729U - Exhaust pipe silencer for automobile - Google Patents
Exhaust pipe silencer for automobile Download PDFInfo
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- CN211422729U CN211422729U CN201921970504.0U CN201921970504U CN211422729U CN 211422729 U CN211422729 U CN 211422729U CN 201921970504 U CN201921970504 U CN 201921970504U CN 211422729 U CN211422729 U CN 211422729U
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- pipe
- silencer
- air outlet
- holes
- inner tube
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Abstract
The utility model discloses an exhaust pipe silencer for car, including silencer casing and silencer inner tube, the aggregate erection between installation cavity that is provided with in the silencer casing and the silencer inner tube, just the welding has first fixed chimb on the silencer inner tube, first fixed chimb with cooperate between the fixed chimb of the second that welds on the silencer casing, and adopt the bolt fastening, the one end of silencer casing still is provided with the connecting pipe, be equipped with the baffle in the silencer inner tube. The utility model discloses adopt dismantled and assembled mode to install between silencer casing and the silencer inner tube, install the silencer inner tube in the installation cavity of silencer casing, then the first fixed chimb on the silencer inner tube adopts the fix with screw with the fixed chimb of second, can accomplish the installation to the silencer inner tube, and is more convenient to the maintenance in later stage.
Description
Technical Field
The utility model relates to an auto parts field, in particular to a blast pipe silencer for car.
Background
The exhaust pipe is a part of an engine exhaust system, and the exhaust system mainly comprises an exhaust manifold, the exhaust pipe and a silencer, wherein the silencer plays a role in lifting weight; in the use process of the existing silencer, the silencer is of a welded integral structure, and the whole silencer needs to be replaced when the silencer is maintained and replaced, so that the silencer is not convenient to maintain, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide an exhaust pipe muffler for a vehicle, which can effectively solve the problems of the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an exhaust pipe silencer for car, includes silencer casing and silencer inner tube, aggregate erection between installation cavity that is provided with in the silencer casing and the silencer inner tube, just the welding has first fixed chimb on the silencer inner tube, first fixed chimb with cooperate between the fixed chimb of the second that welds on the silencer casing, and adopt the bolt fastening, the one end of silencer casing still is provided with the connecting pipe, be equipped with the baffle in the silencer inner tube, just the baffle will first diffusion chamber and second diffusion chamber are separated into to the silencer inner tube, all be provided with intake pipe and outlet duct in first diffusion chamber and the second diffusion chamber, just an gas outlet of outlet duct is arranged in the connecting pipe on the silencer casing.
Furthermore, the baffle plate is provided with a plurality of flow guide holes and mounting holes for mounting the air inlet pipe and the air outlet pipe.
Further, intake pipe and outlet duct constitute by the combination of wavy pipe and horizontal pipe, just the wavy pipe in the intake pipe is arranged in first diffusion chamber, the wavy pipe in the outlet duct is arranged in the second diffusion chamber.
Furthermore, three groups of air outlet holes are formed in the horizontal pipe on the air inlet pipe, sound absorbing covers are fixedly mounted on the two groups of air outlet holes, three groups of air suction holes are formed in the horizontal pipe on the air outlet pipe, and the sound absorbing covers are fixedly mounted in the two groups of air suction holes.
Furthermore, a plurality of sound absorbing holes are formed in the sound absorbing cover, and the fixing edge of the sound absorbing cover is connected with the air inlet pipe through screws.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses install between silencer casing and the silencer inner tube with dismantled and assembled mode, install the silencer inner tube in the installation cavity of silencer casing, then first fixed chimb and the fixed chimb of second on the silencer inner tube adopt the screw to fix, can accomplish the installation to the silencer inner tube, it is more convenient to the maintenance of later stage;
2. the utility model is provided with the sound absorbing covers at the air outlet hole of the air inlet pipe and the air inlet hole of the air outlet pipe, and the sound absorbing covers are made of sound absorbing asbestos material, thus having good sound absorbing function;
3. the utility model discloses all be equipped with a wavy pipe on intake pipe and outlet duct, the wavy pipe cushions the air current to the effect of noise reduction comes.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
In the figure: 1. a muffler housing; 2. an inner cylinder of the muffler; 3. a first diffusion chamber; 4. a second diffusion chamber; 5. a first fixed flange; 6. an air inlet pipe; 7. an air outlet pipe; 8. a partition plate; 9. an air outlet; 10. a sound absorbing cover; 11. a sound absorption hole; 12. a suction hole; 13. a second fixed flange; 14. and (4) connecting the pipes.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-2, an exhaust pipe muffler for an automobile includes a muffler housing 1 and a muffler inner cylinder 2, the mounting cavity arranged in the silencer shell 1 and the silencer inner cylinder 2 are assembled and mounted, and the muffler inner cylinder 2 is welded with a first fixed convex edge 5, the first fixed convex edge 5 is matched with a second fixed convex edge 13 welded on the muffler shell 1, and is fixed by bolts, one end of the silencer shell 1 is also provided with a connecting pipe 14, a partition plate 8 is arranged in the silencer inner cylinder 2, and the baffle plate 8 divides the muffler inner cylinder 2 into a first diffusion cavity 3 and a second diffusion cavity 4, the first diffusion cavity 3 and the second diffusion cavity 4 are both provided with an air inlet pipe 6 and an air outlet pipe 7, and an outlet of the outlet pipe 7 is disposed in a connecting pipe 14 on the muffler case 1.
Specifically, as shown in fig. 1, the partition plate 8 is provided with a plurality of diversion holes and mounting holes for mounting the air inlet pipe 6 and the air outlet pipe 7.
Through adopting above-mentioned scheme, be provided with a plurality of water conservancy diversion holes on the baffle 8 and be used for installing the mounting hole of inlet tube 6 and outlet duct 7, accomplish the installation to inlet tube 6 and outlet duct 7.
Specifically, as shown in fig. 1, the air inlet pipe 6 and the air outlet pipe 7 are formed by combining a corrugated pipe and a horizontal pipe, the corrugated pipe on the air inlet pipe 6 is arranged in the first diffusion cavity 3, and the corrugated pipe on the air outlet pipe 7 is arranged in the second diffusion cavity 4.
Through adopting above-mentioned scheme, the wave pipe makes the air current have certain cushioning nature to reduce the production of noise.
Specifically, as shown in fig. 1, three sets of air outlet holes 9 are formed in a horizontal pipe on the air inlet pipe 6, wherein two sets of air outlet holes 9 are fixedly provided with sound absorbing covers 10, three sets of air suction holes 12 are formed in a horizontal pipe on the air outlet pipe 7, and two sets of air suction holes 12 are fixedly provided with sound absorbing covers 10.
By adopting the above-described configuration, the sound absorbing cover 10 can perform a sound absorbing function.
Specifically, as shown in fig. 1, a plurality of sound absorption holes 11 are formed in the sound absorption cover 10, and a fixing edge of the sound absorption cover 10 is connected to the air inlet pipe 6 by a screw.
Through adopting above-mentioned scheme, having seted up a plurality of on the sound absorbing cover 10 and having inhaled sound hole 11, the fixed limit on the sound absorbing cover 10 is connected with intake pipe 6 through the screw, and is all more convenient to the installation and the dismantlement of sound absorbing cover 10, the maintenance in the later stage of being convenient for.
It should be noted that, the utility model relates to a blast pipe silencer for car, the waste gas that the engine produced enters into silencer inner tube 2 through intake pipe 6, still be equipped with the wave pipe in intake pipe 6, the wave pipe can carry out cushioning effect to the air current that waste gas produced, thereby reach the effect of making an uproar of falling, and the waste gas can come out through venthole 9, the sound suction hood 10 of venthole 9 department can inhale the sound, the production of noise reduction, reach fine amortization, when maintaining the muffler, take off the bolt on the fixed chimb 13 of first fixed chimb 5 and second, take out silencer inner tube 2 from silencer casing 1, make it more convenient to maintain.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an exhaust pipe silencer for car, includes silencer casing (1) and silencer inner tube (2), its characterized in that: the mounting cavity arranged in the silencer shell (1) and the silencer inner cylinder (2) are assembled and mounted, and a first fixed convex edge (5) is welded on the silencer inner cylinder (2), the first fixed convex edge (5) is matched with a second fixed convex edge (13) welded on the silencer shell (1), and is fixed by bolts, one end of the silencer shell (1) is also provided with a connecting pipe (14), a clapboard (8) is arranged in the silencer inner cylinder (2), and the inner cylinder (2) of the silencer is divided into a first diffusion cavity (3) and a second diffusion cavity (4) by the partition plate (8), an air inlet pipe (6) and an air outlet pipe (7) are respectively arranged in the first diffusion cavity (3) and the second diffusion cavity (4), and an air outlet of the air outlet pipe (7) is arranged in a connecting pipe (14) on the silencer shell (1).
2. The exhaust pipe muffler for an automobile according to claim 1, wherein: the baffle (8) is provided with a plurality of flow guide holes and mounting holes for mounting the air inlet pipe (6) and the air outlet pipe (7).
3. The exhaust pipe muffler for an automobile according to claim 1, wherein: intake pipe (6) and outlet duct (7) constitute by the combination of wavy pipe and horizontal pipe, just first diffusion chamber (3) are arranged in to the wavy pipe in intake pipe (6), second diffusion chamber (4) are arranged in to the wavy pipe on outlet duct (7).
4. The exhaust pipe muffler for an automobile according to claim 1, wherein: the air inlet pipe is characterized in that three groups of air outlet holes (9) are formed in a horizontal pipe on the air inlet pipe (6), wherein the air outlet holes (9) are two groups, a sound absorbing cover (10) is fixedly mounted on each air outlet hole (9), three groups of air suction holes (12) are formed in a horizontal pipe on the air outlet pipe (7), and the air suction holes (12) are two groups of the air suction holes, wherein the sound absorbing covers (10) are fixedly mounted in the air suction holes (.
5. The exhaust pipe muffler for an automobile according to claim 4, wherein: a plurality of sound absorbing holes (11) are formed in the sound absorbing cover (10), and a fixing edge on the sound absorbing cover (10) is connected with the air inlet pipe (6) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970504.0U CN211422729U (en) | 2019-11-15 | 2019-11-15 | Exhaust pipe silencer for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970504.0U CN211422729U (en) | 2019-11-15 | 2019-11-15 | Exhaust pipe silencer for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422729U true CN211422729U (en) | 2020-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921970504.0U Active CN211422729U (en) | 2019-11-15 | 2019-11-15 | Exhaust pipe silencer for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153493A (en) * | 2021-04-26 | 2021-07-23 | 吉林大学 | Exhaust silencer for internal combustion engine |
-
2019
- 2019-11-15 CN CN201921970504.0U patent/CN211422729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153493A (en) * | 2021-04-26 | 2021-07-23 | 吉林大学 | Exhaust silencer for internal combustion engine |
| CN113153493B (en) * | 2021-04-26 | 2023-03-28 | 吉林大学 | Exhaust silencer for internal combustion engine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210514 Address after: 150000 No.2, Weihai No.2 Road, Harbin Development Zone, Heilongjiang Province Patentee after: HARBIN AIRUI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 412500 Xia Yang Zhen Xing Chao Cun Shang Qiu Jia, Yanling County, Zhuzhou City, Hunan Province Patentee before: Qiu Shaobing |