CN220470056U - Auxiliary silencing structure of exhaust pipe - Google Patents
Auxiliary silencing structure of exhaust pipe Download PDFInfo
- Publication number
- CN220470056U CN220470056U CN202322010296.2U CN202322010296U CN220470056U CN 220470056 U CN220470056 U CN 220470056U CN 202322010296 U CN202322010296 U CN 202322010296U CN 220470056 U CN220470056 U CN 220470056U
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- Prior art keywords
- auxiliary
- exhaust pipe
- wall
- outlet
- silencing
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 25
- 230000003584 silencer Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 10
- 230000008030 elimination Effects 0.000 claims description 9
- 238000003379 elimination reaction Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Abstract
The utility model discloses an auxiliary silencing structure of an exhaust pipe, wherein an auxiliary silencer is fixedly arranged at an outlet at the tail end of the exhaust pipe, and a plurality of auxiliary silencing units which are distributed at intervals are arranged on the auxiliary silencer; the auxiliary silencing unit comprises an opening, and one side of the opening is provided with a silencing flanging; the utility model has simple structure and low cost, and is suitable for being used as an economically feasible auxiliary silencing scheme of the exhaust pipe.
Description
Technical Field
The utility model belongs to the technical field of automobile exhaust pipes, and particularly relates to an auxiliary silencing structure of an exhaust pipe.
Background
The exhaust pipe is an important part connected to the engine of the vehicle, and in order to achieve the noise reduction effect, a special noise elimination structure is usually arranged in the exhaust pipe, and exhaust gas of the vehicle is directly discharged through an outlet of the exhaust pipe after noise elimination treatment through the noise elimination structure. The higher the requirements for the silencing of the exhaust pipe are, the higher the cost of the silencing material of the required silencing structure is, and the special silencing material is extremely expensive and occupies the largest cost proportion of the exhaust pipe.
For this reason, the applicant has desired to achieve an improvement in the muffling effect of the exhaust pipe on the basis of a limited cost by seeking a technical solution.
Disclosure of Invention
In view of the above, the present utility model aims to provide an auxiliary muffler structure of an exhaust pipe, which has a simple structure and low cost, and is suitable for being used as an economically feasible auxiliary muffler scheme of the exhaust pipe.
The technical scheme adopted by the utility model is as follows:
an auxiliary muffler structure of an exhaust pipe is characterized in that an auxiliary muffler is fixedly arranged at the tail end outlet of the exhaust pipe, and a plurality of auxiliary muffler units which are distributed at intervals are arranged on the auxiliary muffler; the auxiliary silencing unit comprises a hole, and one side of the hole is provided with a silencing flanging.
Preferably, the noise elimination flanging is in an inclined plane shape, and the included angle between the noise elimination flanging and the plane where the opening is formed is 20-50 degrees.
Preferably, the projected area of the sound-deadening flange on its corresponding opening is smaller than the area of the opening.
Preferably, the projection area of the silencing flanging on the corresponding opening is 2/3-4/5 of the area of the opening.
Preferably, the auxiliary muffler comprises a mounting wall fixedly mounted and matched with the inner wall of the tail end outlet of the exhaust pipe, and a mounting seat is arranged at the bottom of the mounting wall; wherein, each auxiliary noise elimination unit is arranged on the mounting seat.
Preferably, the inner wall of the tail end outlet of the exhaust pipe is fixedly clamped with the mounting wall.
Preferably, the mounting wall is provided with a plurality of openings, each opening extending axially in the mounting wall.
Preferably, the terminal outlet edge of the exhaust pipe forms an inner peripheral edge inwardly Zhou Fanbian thereof such that the terminal outlet inner diameter at the outer side is smaller than the terminal outlet inner diameter at the inner side; the installation wall is fixedly and tightly matched with the inner wall of the tail end outlet positioned at the inner side, and the installation wall is limited by the inner peripheral edge in an outward loosening prevention way.
Preferably, the tail end outlet of the exhaust pipe further comprises a limit groove, and the inner diameter of the limit groove is smaller than the inner diameter of the tail end outlet positioned on the inner side; one end of the inner end outlet wall surface is connected with the outer end outlet wall surface, the other end of the inner end outlet wall surface is connected with the limiting groove, and the limiting groove is used for limiting the mounting wall in an inner loosening prevention mode.
Preferably, the number of openings is 3-6 and is evenly spaced on the mounting wall.
According to the auxiliary muffler, the auxiliary muffler unit structure formed by the holes and the silencing flanging is arranged on the auxiliary muffler, when the auxiliary muffler is applied in actual work, part of tail gas coming out of the tail end of the exhaust pipe can collide with the silencing flanging and then is discharged through the holes, the auxiliary muffler unit structure can be used as an auxiliary muffler tool of the exhaust pipe to further reduce exhaust noise of the exhaust pipe while the installation structure is enhanced, and the auxiliary muffler unit structure is simple in structure, low in cost and suitable for being used as an auxiliary muffler scheme of the exhaust pipe which is economical and feasible.
Drawings
FIG. 1 is a schematic view of an auxiliary muffler structure of an exhaust pipe according to an embodiment of the present application;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic diagram of the front view of FIG. 1;
FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3;
FIG. 5 is an enlarged view of a part of the structure of FIG. 4;
FIG. 6 is a right-hand structural schematic of FIG. 1;
fig. 7 is a schematic structural view of an auxiliary muffler according to an embodiment of the present application.
Detailed Description
The embodiment of the utility model provides an auxiliary silencing structure of an exhaust pipe, wherein an auxiliary silencer is fixedly arranged at an outlet at the tail end of the exhaust pipe, and a plurality of auxiliary silencing units which are distributed at intervals are arranged on the auxiliary silencer; wherein, auxiliary noise elimination unit includes the trompil, and one side of trompil is equipped with the noise elimination flanging.
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, an auxiliary muffler structure of an exhaust pipe is shown, wherein an auxiliary muffler 2 is fixedly installed at an outlet 1a at the tail end of the exhaust pipe 1, and a plurality of auxiliary muffler units distributed at intervals are arranged on the auxiliary muffler 2; as shown in fig. 7, the auxiliary muffler unit includes an opening 31, and a muffler flange 32 is disposed on one side of the opening 31; preferably, in order to obtain a better sound-deadening effect and at the same time a structural reinforcing effect, ensuring the service life of the auxiliary muffler 2, in this embodiment the sound-deadening flanging 32 is beveled, with an angle ranging from 20 to 50 ° to the plane in which the opening 31 is situated, and more preferably with an angle ranging from 25 to 45 °;
preferably, in order to further facilitate the sound-deadening effect, in the present embodiment, the projected area of the sound-deadening flange 32 on its corresponding opening 31 is smaller than the area of this opening 31; more preferably, in the present embodiment, the projected area of the sound deadening flanging 32 on its corresponding aperture 31 is 2/3-4/5 of the area of the aperture 31.
Preferably, in order to achieve a convenient and reliable installation effect of the auxiliary muffler 2, in the present embodiment, the auxiliary muffler 2 includes an installation wall 21 fixedly installed and fitted with an inner wall of a distal outlet of the exhaust pipe 1, and an installation seat 22 is provided at a bottom of the installation wall 21; wherein each opening 31 is provided on the mounting seat 22; preferably, in the present embodiment, the inner wall of the outlet of the tail end of the exhaust pipe 1 is fixedly clamped with the mounting wall 21; further preferably, in the present embodiment, the distal outlet edge 1b of the exhaust pipe 1 forms an inner peripheral edge 11 inward thereof Zhou Fanbian such that the distal outlet 1a1 on the outside has a smaller inner diameter than the distal outlet 1a2 on the inside; the mounting wall 21 is fixedly and tightly matched with the inner wall 12 of the tail end outlet positioned at the inner side, and the mounting wall 21 is subjected to external loosening prevention limit through the inner peripheral edge 11; the tail end outlet of the exhaust pipe 1 further comprises a limiting groove 13, and the inner diameter of the limiting groove 13 is smaller than the inner diameter of the tail end outlet 1a2 positioned on the inner side; one end of the inner end outlet wall 12 is connected with the outer end outlet wall 14, and the other end is connected with the limiting groove 13, and the limiting groove 13 is used for preventing inner loosening and limiting the mounting wall 21.
Preferably, in order to achieve a rapid guiding assembly effect between the mounting wall 21 and the end outlet inner wall 12 of the exhaust pipe 1, in this embodiment the mounting wall 21 is provided with a number of openings 23, each opening 23 extending axially on the mounting wall 21; it is particularly preferred that the number of openings 23 is 3-6 and is evenly spaced on the mounting wall 21.
According to the embodiment, the auxiliary muffler 2 is fixedly installed at the tail end outlet 1a of the exhaust pipe 1, the auxiliary muffler unit structure consisting of the opening hole 31 and the silencing flanging 32 is arranged on the auxiliary muffler 2, when the exhaust pipe is applied in actual work, part of tail gas coming out of the tail end of the exhaust pipe can collide with the silencing flanging 32 and then is discharged through the opening hole 31, the installation structure is enhanced, the exhaust noise of the exhaust pipe 1 can be further reduced as an auxiliary muffler tool of the exhaust pipe 1, and the auxiliary muffler unit provided by the embodiment is simple in structure, low in cost and suitable for being used as an auxiliary muffler scheme of the exhaust pipe which is economical and feasible.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. An auxiliary silencing structure of an exhaust pipe is characterized in that an auxiliary silencer is fixedly arranged at an outlet at the tail end of the exhaust pipe, and a plurality of auxiliary silencing units which are distributed at intervals are arranged on the auxiliary silencer; the auxiliary silencing unit comprises a hole, and one side of the hole is provided with a silencing flanging.
2. The auxiliary muffler structure of an exhaust pipe according to claim 1, wherein the muffler flange is inclined and has an angle ranging from 20 ° to 50 ° with respect to a plane in which the opening hole is formed.
3. The auxiliary muffler structure of claim 1, wherein the projected area of the muffler flange on its corresponding opening is smaller than the area of the opening.
4. The auxiliary muffler structure of claim 1, wherein the projected area of the muffler flange on its corresponding opening is 2/3-4/5 of the area of the opening.
5. The auxiliary muffler structure of claim 1, wherein the auxiliary muffler includes a mounting wall fixedly fitted to an inner wall of a distal outlet of the exhaust pipe, a mounting seat being provided at a bottom of the mounting wall; wherein, each auxiliary noise elimination unit is arranged on the mounting seat.
6. The auxiliary muffler structure of an exhaust pipe according to claim 5, wherein an inner wall of a distal outlet of the exhaust pipe is fixedly engaged with the mounting wall.
7. The auxiliary muffler structure of claim 5, wherein the mounting wall is provided with a plurality of openings, each opening extending axially in the mounting wall.
8. The auxiliary muffler structure of an exhaust pipe according to claim 7, wherein a distal outlet edge of the exhaust pipe forms an inner peripheral edge inward thereof Zhou Fanbian such that a distal outlet inner diameter located on an outer side is smaller than a distal outlet inner diameter located on an inner side; the installation wall is fixedly and tightly matched with the inner wall of the tail end outlet positioned at the inner side, and the installation wall is limited by the inner peripheral edge in an outward loosening prevention way.
9. The auxiliary muffler structure of an exhaust pipe according to claim 7, wherein the tip outlet of the exhaust pipe further includes a limiting groove having an inner diameter smaller than an inner diameter of the tip outlet located at the inner side; one end of the inner end outlet wall surface is connected with the outer end outlet wall surface, the other end of the inner end outlet wall surface is connected with the limiting groove, and the limiting groove is used for limiting the mounting wall in an inner loosening prevention mode.
10. The auxiliary muffler structure of an exhaust pipe according to claim 7, wherein the number of the openings is 3 to 6 and is uniformly spaced on the mounting wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322010296.2U CN220470056U (en) | 2023-07-28 | 2023-07-28 | Auxiliary silencing structure of exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322010296.2U CN220470056U (en) | 2023-07-28 | 2023-07-28 | Auxiliary silencing structure of exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470056U true CN220470056U (en) | 2024-02-09 |
Family
ID=89772850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322010296.2U Active CN220470056U (en) | 2023-07-28 | 2023-07-28 | Auxiliary silencing structure of exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470056U (en) |
-
2023
- 2023-07-28 CN CN202322010296.2U patent/CN220470056U/en active Active
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