CN220869503U - Resonant sheet type muffler with dustproof protection structure - Google Patents
Resonant sheet type muffler with dustproof protection structure Download PDFInfo
- Publication number
- CN220869503U CN220869503U CN202322895068.8U CN202322895068U CN220869503U CN 220869503 U CN220869503 U CN 220869503U CN 202322895068 U CN202322895068 U CN 202322895068U CN 220869503 U CN220869503 U CN 220869503U
- Authority
- CN
- China
- Prior art keywords
- muffler
- pipeline
- resonant
- elimination
- resonant piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000428 dust Substances 0.000 claims abstract description 33
- 238000003379 elimination reaction Methods 0.000 claims abstract description 26
- 230000008030 elimination Effects 0.000 claims abstract description 18
- 230000003584 silencer Effects 0.000 claims abstract description 5
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model provides a resonant sheet type muffler with a dustproof protection structure, which comprises a pre-elimination muffler, a middle-elimination muffler and a connecting pipeline, wherein the front part of the connecting pipeline is fixedly provided with the pre-elimination muffler, and the middle part of the connecting pipeline is fixedly provided with the middle-elimination muffler; the connecting pipeline at the rear side of the middle-elimination silencer is sequentially connected with a first resonant piece pipeline assembly and a second resonant piece pipeline assembly; the rear end of the second resonant piece pipeline assembly is connected with a muffler pipeline; the first resonant piece pipeline assembly and the second resonant piece pipeline assembly have the same structure; the first resonant piece pipeline assembly comprises a resonant piece pipeline and a dust cover, wherein the micro-perforated plate densely distributed with micropores is arranged on the upper portion of the resonant piece pipeline, and the dust cover is arranged above the micro-perforated plate. The utility model solves the problem of long-tube standing waves, reduces the volume of the muffler, is beneficial to the light weight of the whole vehicle and the volume and cost reduction of the muffler, and simultaneously solves the problem of micropore blockage failure on the resonance sheet.
Description
Technical Field
The utility model relates to a resonant sheet type muffler with a dustproof protection structure, and belongs to the technical field of automobile mufflers.
Background
A muffler is a device that prevents sound from propagating and allows air flow to pass through, and is an important measure for eliminating aerodynamic noise. They can be classified into six main types, resistive mufflers, resistive compound mufflers, microperforated panel mufflers, small hole mufflers, active mufflers, and the like, according to their muffling mechanism.
The resonant sheet type muffler belongs to a microperforated muffler in structure; from the principle of noise elimination, the impedance composite muffler has certain effects of solving the problem of long-tube standing waves, reducing the volume of the muffler and reducing the weight of the whole vehicle; however, the existing resonant piece muffler structure is characterized in that the resonant piece is directly exposed outside a pipeline, if the installation mode on an exhaust pipeline is selected towards the whole automobile +z direction, the risk of heat damage to the chassis of the automobile is likely to occur, dust accumulation is likely to occur, and the risk of noise elimination performance failure is likely to occur due to the blocking of micropores, if the installation mode is selected towards the whole automobile-z direction (towards the ground) or the side installation, impurities such as silt are extremely likely to accumulate, so that the problem of micropore blocking failure is caused, and the problem of failure such as deformation, perforation, falling off and the like of the resonant piece is caused due to the splashing of road sand in the running process of the automobile is extremely likely to occur, so that the resonant piece is required to be additionally provided, the dust accumulation is reduced, the chassis heat damage is prevented, the noise elimination performance is not reduced, and a large space cannot be occupied.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the utility model provides a resonant sheet type muffler with a dustproof protection structure, which can solve the problem of long pipe standing waves, reduce the volume of the muffler, facilitate the light weight of the whole vehicle and the volume and cost reduction of the muffler, and solve the problem of micropore blockage failure on the resonant sheet.
In order to achieve the technical purpose, the technical scheme adopted by the embodiment of the utility model is as follows:
The resonance sheet type muffler with the dustproof protection structure comprises a front muffler, a middle muffler and a connecting pipeline, wherein the front muffler is fixedly arranged at the front part of the connecting pipeline, and the middle muffler is fixedly arranged at the middle part of the connecting pipeline; the connecting pipeline at the rear side of the middle-elimination silencer is sequentially connected with a first resonant piece pipeline assembly and a second resonant piece pipeline assembly; the rear end of the second resonant piece pipeline assembly is connected with a muffler pipeline; the first resonant piece pipeline assembly and the second resonant piece pipeline assembly have the same structure; the first resonant piece pipeline assembly comprises a resonant piece pipeline and a dust cover, wherein the micro-perforated plate densely distributed with micropores is arranged on the upper portion of the resonant piece pipeline, and the dust cover is arranged above the micro-perforated plate.
Further, the front muffler and the middle muffler are internally provided with a muffler pipe and muffler cotton.
Further, a plurality of airflow small holes are formed in two sides of the dust cover.
Furthermore, two sides of the upper end of the resonant piece pipeline are provided with dust cover installation slide ways, and two ends of the dust cover can be inserted into the dust cover installation slide ways.
Further, a middle pipeline lifting hook component is arranged on a connecting pipeline between the front muffler and the middle muffler; a first tail pipe pipeline lifting hook component is arranged on a connecting pipeline at the rear side of the middle elimination silencer; the muffler pipeline is provided with a second tail pipe pipeline lifting hook component.
Further, noise elimination cotton is arranged in the dust cover.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that:
1. the resonant piece pipeline assembly is added at the specific position of the connecting pipeline, so that the problem of connecting pipeline waves is effectively broken, and the tail pipe order noise is not deteriorated.
2. The muffler volume can be reduced due to the silencing effect of the micro-perforation of the resonance sheet, and the effects of volume reduction, cost reduction and light weight are achieved.
3. The dust cover is additionally arranged on the resonance sheet, so that the resonance sheet of the muffler is effectively protected, the failure problems of micropore blockage, resonance sheet deformation and the like caused by the accumulation of dust, sediment and the like and the splashing of sand and stone are prevented, and the transportation cost is reduced; the additional partial volume of the external dust cover is beneficial to improving the noise elimination performance.
4. The dust cover is convenient to detach and install, and can be regularly maintained, cleaned and replaced.
5. The vehicle is convenient to reform and improve the NVH performance of the vehicle.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a cross-sectional view of a first resonator plate conduit assembly in accordance with an embodiment of the utility model.
Fig. 3 is a cross-sectional view of a first resonator plate conduit assembly from another perspective in accordance with an embodiment of the utility model.
Fig. 4 is a top view of a first resonator plate conduit assembly in accordance with an embodiment of the utility model.
Fig. 5 is a perspective view of a first resonator plate conduit assembly in accordance with an embodiment of the utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the embodiment of the utility model provides a resonant sheet type muffler with a dustproof protection structure, which comprises a pre-elimination muffler 1, a middle-elimination muffler 2 and a connecting pipeline 14, wherein the pre-elimination muffler 1 is fixedly arranged at the front part of the connecting pipeline 14, and the middle-elimination muffler 2 is fixedly arranged at the middle part of the connecting pipeline 14; the connecting pipeline 14 at the rear side of the neutralization muffler 2 is sequentially connected with the first resonant piece pipeline assembly 3 and the second resonant piece pipeline assembly 4; the rear end of the second resonant piece pipeline assembly 4 is connected with a muffler pipeline 5; the first resonant piece pipeline assembly 3 and the second resonant piece pipeline assembly 4 have the same structure;
It should be noted that, the connecting pipeline 14 may be provided with only the first resonant sheet pipeline assembly 3, or may be provided with more resonant sheet pipeline assemblies with the same structure according to the requirement. And a resonant sheet is additionally arranged at a specific position to adjust and solve the problem of long-tube standing waves, so that the noise performance of the tail tube and the inside of the vehicle is improved. The number and the positions of the resonant piece pipeline assemblies are adjusted to reduce the overall volume of the muffler and the overall weight of the muffler.
As shown in fig. 2, 3, 4 and 5, the first resonator plate pipeline assembly 3 includes a resonator plate pipeline 9 and a dust cover 11, the upper portion of the resonator plate pipeline 9 is provided with a microperforated plate 10 with densely distributed micropores, and the dust cover 11 is disposed above the microperforated plate 10. The dust cover 11 can prevent the failure problems of micropore blockage, resonance piece deformation and the like caused by accumulation of dust, sediment and the like and splashing of sand and stone of micropores on the microperforated panel 10, and reduce the transportation cost; in addition, the partial volume of the outer dust cover 11 is beneficial to improving the noise elimination performance.
In a specific embodiment, the front muffler 1 and the middle muffler 2 are internally provided with a muffler pipe and muffler cotton.
In one embodiment, as shown in fig. 3, a plurality of airflow apertures 12 are provided on both sides of the dust cover 11. The two sides of the dust cover are provided with small holes to ensure the circulation of air flow, and the shape and the number of the holes are not specified.
In a specific embodiment, as shown in fig. 4 and 5, two sides of the upper end of the resonant piece pipeline 9 are provided with dust cover mounting slideways 13, and two ends of the dust cover 11 can be inserted into the dust cover mounting slideways 13, so that the dust cover is convenient and flexible to detach.
In one embodiment, as shown in fig. 1, an intermediate pipeline hook assembly 6 is arranged on a connecting pipeline 14 between the pre-muffler 1 and the mid-muffler 2; a first tail pipe pipeline lifting hook component 7 is arranged on a connecting pipeline 14 at the rear side of the middle elimination silencer 2; the muffler pipe 5 is provided with a second tailpipe pipe hook assembly 8.
In one embodiment, the dust cover 11 is provided with noise-reducing cotton therein. The dust cover 11 can flexibly add or remove the noise elimination cotton according to the characteristics of the engine so as to achieve a specific noise elimination effect.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.
Claims (6)
1. The resonance sheet type muffler with the dustproof protection structure comprises a pre-elimination muffler (1), a middle-elimination muffler (2) and a connecting pipeline (14), wherein the pre-elimination muffler (1) is fixedly arranged at the front part of the connecting pipeline (14), and the middle-elimination muffler (2) is fixedly arranged at the middle part of the connecting pipeline (14); the device is characterized in that a connecting pipeline (14) at the rear side of the neutralization muffler (2) is sequentially connected with a first resonance piece pipeline assembly (3) and a second resonance piece pipeline assembly (4); the rear end of the second resonant piece pipeline assembly (4) is connected with a muffler pipeline (5); the first resonant piece pipeline assembly (3) and the second resonant piece pipeline assembly (4) have the same structure; the first resonant piece pipeline assembly (3) comprises a resonant piece pipeline (9) and a dust cover (11), wherein a micro-perforated plate (10) densely distributed with micropores is arranged on the upper portion of the resonant piece pipeline (9), and the dust cover (11) is arranged above the micro-perforated plate (10).
2. The resonance sheet type muffler with the dustproof protection structure according to claim 1, wherein a muffler pipe and a muffler cotton are arranged in the front muffler (1) and the middle muffler (2).
3. The resonant blade muffler with dust protection structure of claim 1, wherein the dust cover (11) is provided with a plurality of air flow holes (12) on both sides.
4. The resonance sheet type muffler with the dustproof protection structure as claimed in claim 1, wherein two sides of the upper end of the resonance sheet pipeline (9) are provided with dustproof cover mounting slide ways (13), and two ends of the dustproof cover (11) can be inserted into the dustproof cover mounting slide ways (13).
5. The resonance sheet type muffler with the dustproof protection structure as claimed in claim 1, characterized in that an intermediate pipe hook component (6) is arranged on a connecting pipe (14) between the pre-muffler (1) and the mid-muffler (2); a first tail pipe pipeline lifting hook component (7) is arranged on a connecting pipeline (14) at the rear side of the middle elimination silencer (2); a second tail pipe pipeline lifting hook component (8) is arranged on the muffler pipeline (5).
6. The resonance piece type muffler with the dustproof protection structure as claimed in claim 1, characterized in that the dust cover (11) is internally provided with noise elimination cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322895068.8U CN220869503U (en) | 2023-10-27 | 2023-10-27 | Resonant sheet type muffler with dustproof protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322895068.8U CN220869503U (en) | 2023-10-27 | 2023-10-27 | Resonant sheet type muffler with dustproof protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869503U true CN220869503U (en) | 2024-04-30 |
Family
ID=90809655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322895068.8U Active CN220869503U (en) | 2023-10-27 | 2023-10-27 | Resonant sheet type muffler with dustproof protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869503U (en) |
-
2023
- 2023-10-27 CN CN202322895068.8U patent/CN220869503U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220869503U (en) | Resonant sheet type muffler with dustproof protection structure | |
| CN201106470Y (en) | Automotive exhaust system | |
| CN210948860U (en) | Exhaust pipe with heat shield | |
| CN113700545A (en) | Exhaust silencer and vehicle | |
| CN212563383U (en) | Novel silencer device for vehicle | |
| CN113958396A (en) | Silencer air inlet pipe assembly and arrangement structure thereof | |
| CN111370733A (en) | Fuel cell system and intercooler thereof | |
| CN220955781U (en) | Standing wave elimination structure of exhaust pipe and vehicle exhaust system | |
| CN214944515U (en) | Silencer | |
| CN215761860U (en) | Unmanned aerial vehicle exhaust muffler | |
| JP4110617B2 (en) | Engine intake system layout | |
| CN210738646U (en) | Muffler device of excavator | |
| JPH0122452B2 (en) | ||
| CN111042896A (en) | Tuning silencer for automobile exhaust pipe | |
| CN217761120U (en) | Reactive muffler for automobile | |
| CN215333067U (en) | Automobile exhaust pipe with noise reduction structure | |
| CN217872988U (en) | Broadband silencer with purification function | |
| CN219431921U (en) | Exhaust silencer for vehicle | |
| CN113294223B (en) | Exhaust silencer with automatic following under two working conditions of internal combustion engine | |
| CN217002012U (en) | Novel exhaust silencer | |
| CN212022316U (en) | Truck exhaust system arrangement structure and truck | |
| CN2151259Y (en) | Noise reducing aid for automobile exhaust muffler | |
| CN212338376U (en) | Exhaust silencer | |
| CN214949750U (en) | Air pipe silencer and central air-conditioning ventilation system | |
| CN210769569U (en) | Silencing structure and blower with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |