CN220667661U - Automobile pipeline silencing assembly - Google Patents
Automobile pipeline silencing assembly Download PDFInfo
- Publication number
- CN220667661U CN220667661U CN202321965392.6U CN202321965392U CN220667661U CN 220667661 U CN220667661 U CN 220667661U CN 202321965392 U CN202321965392 U CN 202321965392U CN 220667661 U CN220667661 U CN 220667661U
- Authority
- CN
- China
- Prior art keywords
- tank body
- cavity
- air inlet
- pipe
- connecting pipe
- 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
- 230000030279 gene silencing Effects 0.000 title claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000003584 silencer Effects 0.000 description 4
- 238000010408 sweeping Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model relates to the technical field of automobile pipeline silencing, and particularly discloses an automobile pipeline silencing assembly, which comprises a tank body, wherein an air inlet end of the tank body is connected with an air inlet pipe, an air outlet end of the tank body is connected with an air outlet pipe, and three partition boards are arranged in the tank body; the inner cavity of the tank body is sequentially divided into a first cavity, a second cavity, a third cavity and a fourth cavity by the three partition boards according to the direction away from the air inlet end of the tank body; the first cavity is communicated with the third cavity through a first connecting pipe, the first cavity is communicated with the fourth cavity through a second connecting pipe, and the air inlet pipe penetrates through the two partition boards and is communicated with the third cavity. According to the utility model, through the arrangement of the plurality of partition plates in the tank body and the communication function of the first connecting pipe and the second connecting pipe, noise sound waves carried by gas can collide with the inner wall of the tank body and the partition plates for multiple times and realize capacity attenuation when the gas passes through the tank body, so that the effect of noise reduction is achieved.
Description
Technical Field
The utility model relates to the technical field of automobile pipeline silencing, in particular to an automobile pipeline silencing assembly.
Background
An exhaust pipe is a part of an engine exhaust system that is used to exhaust gases produced during operation of an engine. The automobile can produce a large amount of noise in the working process, and the noise is transmitted to the outside of the automobile, so that noise pollution is produced around the automobile.
The exhaust noise of the automobile mainly consists of periodic exhaust noise, turbulence noise and air column resonance noise. For some single cylinder engines, the resonant noise formed by the cylinder and exhaust pipe is the most dominant source. The noise excited by the periodic pressure due to the periodic opening and closing of the engine exhaust valve claims periodic exhaust noise, which is also the most dominant component of exhaust noise.
In the prior art, an automobile pipeline silencer is adopted to carry out noise reduction treatment on the exhaust gas of an automobile, the shape of the pipeline silencer is a tank body which is generally integrally formed, a plurality of pipelines with noise reduction holes are arranged in the tank body, when gas passes through the pipelines, partial noise sound waves can be transmitted from the noise reduction holes and are collided with the inner wall of the tank body for multiple times in the tank body, so that the noise reduction effect is achieved. However, because the gasoline is usually insufficient in-cylinder combustion, the gas generated by the condition has a large amount of particles which are easy to adhere, so that the silencing holes are easy to be blocked, the normal silencing effect of the silencer is not achieved, and the integrally formed tank body is difficult to detach and clean.
Disclosure of Invention
The utility model aims to provide an automobile pipeline silencing assembly, which solves the following technical problems:
how to solve the problem that the pipeline silencing hole is easy to be blocked in the automobile pipeline silencer.
The aim of the utility model can be achieved by the following technical scheme:
the automobile pipeline silencing assembly comprises a tank body, wherein an air inlet end of the tank body is connected with an air inlet pipe, an air outlet end of the tank body is connected with an air outlet pipe, and three partition plates are arranged in the tank body;
the inner cavity of the tank body is sequentially divided into a first cavity, a second cavity, a third cavity and a fourth cavity by the three partition boards according to the direction away from the air inlet end of the tank body;
the first cavity is communicated with the third cavity through a first connecting pipe, the first cavity is communicated with the fourth cavity through a second connecting pipe, and the air inlet pipe penetrates through the two partition boards and is communicated with the third cavity; through holes are formed in one side, facing the axis of the tank body, of each of the air inlet pipe, the first connecting pipe and the second connecting pipe;
the tank body is also internally provided with a sweeping hole assembly, the sweeping hole assembly comprises a rotating shaft arranged on the axis of the tank body, the rotating shaft penetrates through and is movably connected to the air inlet end of the tank body and the three partition boards, and a plurality of brushes are uniformly arranged on the side wall of the rotating shaft.
As a further technical scheme, a circular groove is formed in the center of the inner wall of the exhaust end of the tank body, and one end of the exhaust pipe is positioned in the groove;
and a fan is arranged at one end of the rotating shaft, which is close to the exhaust end, and the edge rotating radius of the blade of the fan is smaller than the radius of the groove.
As a further technical scheme, the air inlet end of the tank body is fixedly provided with a servo electric cylinder, and the output end of the servo electric cylinder is rotationally connected with the rotating shaft.
As a further technical scheme, a blocking ring is arranged between every two adjacent hairbrushes along the axial direction of the rotating shaft, the blocking ring surrounds the rotating shaft and is fixedly connected with the side wall of the tank body through a connecting rod.
As a further technical scheme, the inner wall of the tank body is provided with an annular groove, two disc springs are symmetrically arranged in the annular groove, and the partition plate is arranged between the two disc springs.
As a further technical scheme, the tank body comprises two semi-cylindrical shells, and the two shells are detachably connected through bolts.
The utility model has the beneficial effects that:
(1) According to the utility model, through the arrangement of the plurality of baffles in the tank body and the communication action of the first connecting pipe and the second connecting pipe, noise sound waves carried by gas can collide with the inner wall of the tank body and the baffles for multiple times and realize capacity attenuation when the gas passes through the tank body, so that the effect of noise reduction is achieved;
(2) Through the arrangement of the hole sweeping assembly, the through holes on each pipe fitting can be cleaned under the condition that the tank body is not disassembled, and particularly, as the through holes are all formed towards the axis of the tank body, the particles on the through holes can be brushed off by the band-pass brush when the rotating shaft rotates. The fan can enable the rotating shaft to rotate under the condition that other driving sources are not used, so that the cleaning process also belongs to automatic cleaning, and energy sources are saved to a certain extent.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of a housing of the present utility model after disassembly;
FIG. 2 is a schematic view of a perspective mechanism according to another aspect of the present utility model;
FIG. 3 is a front view of the present utility model;
FIG. 4 is a schematic view of the partial structure of FIG. 3B of the drawings according to the present utility model;
fig. 5 is a top view of the present utility model.
Reference numerals: 1. a tank body; 101. a groove; 2. an air inlet pipe; 3. an exhaust pipe; 4. a partition plate; 5. a first connecting pipe; 6. a second connecting pipe; 7. a rotating shaft; 701. a brush; 702. a fan; 8. a servo electric cylinder; 9. a blocking ring; 10. a connecting rod; 11. an annular groove; 12. a disc spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the automobile pipeline silencing assembly in the embodiment of the utility model comprises a tank body 1, wherein an air inlet end of the tank body 1 is connected with an air inlet pipe 2, an air outlet end of the tank body is connected with an air outlet pipe 3, and three partition boards 4 are arranged in the tank body 1;
the three partition boards 4 divide the inner cavity of the tank body 1 into a first cavity, a second cavity, a third cavity and a fourth cavity in sequence along the direction away from the air inlet end of the tank body 1;
the first cavity is communicated with the third cavity through a first connecting pipe 5, the first cavity is communicated with the fourth cavity through a second connecting pipe 6, and the air inlet pipe 2 penetrates through the two partition boards 4 and is communicated with the third cavity; through holes are formed in one side, facing the axis of the tank body 1, of the air inlet pipe 2, the first connecting pipe 5 and the second connecting pipe 6;
still be equipped with in the jar body 1 and sweep the hole and close the piece, including setting up the pivot 7 on the jar body 1 axis, pivot 7 runs through and swing joint be in the inlet end of jar body 1 and three on the baffle 4, a plurality of brushes 701 are evenly installed to the lateral wall of pivot 7.
Through above-mentioned technical scheme, this embodiment provides a pipeline amortization subassembly, can play the amortization effect to the interior gas of car pipeline, can also realize the automatically cleaning in pipeline amortization hole, has ensured the persistence that realizes the amortization effect. Specifically, the gas exhausted from the automobile cylinder enters the third cavity through the air inlet pipe 2, part of noise sound waves are transmitted into the first cavity and the second cavity through the air inlet pipe 2 in the process, the rest part of noise sound waves collide back and forth between the two partition boards 4 or between the partition boards 4 and the inner wall of the tank body 1 and are attenuated gradually, then the gas enters the first cavity through the first connecting pipe 5, finally, the gas is transmitted into the fourth cavity through the second connecting pipe 6 and finally, the gas is exhausted through the exhaust pipe 3, and through the technical scheme, the carrying noise of the gas weakens energy layer by layer through multiple collisions, so that the noise reduction effect is achieved. In addition, through the setting of sweeping the hole closes the piece, can clear up the through-hole on each pipe fitting under the condition of not taking apart jar body 1, specifically, because the through-hole all is offered towards jar body 1 axis, consequently pivot 7 rotates and can band-pass brush 701 brush off the granule on the through-hole.
As shown in fig. 3, a circular groove 101 is formed in the center of the inner wall of the exhaust end of the tank body 1, and one end of the exhaust pipe 3 is located in the groove 101;
a fan 702 is installed at one end of the rotating shaft 7 near the exhaust end, and the rotation radius of the blade edge of the fan 702 is smaller than the radius of the groove 101.
Through the above technical scheme, this embodiment provides a way to drive the rotation shaft 7 to rotate, because one end of the exhaust pipe 3 is located in the groove 101, the exhaust gas must pass through the groove 101, and when the fan 702 is located in the groove 101, the exhaust gas can pass through the fan 702 to rotate, and then drive the rotation shaft 7 connected with the fan 702 to rotate, so that the rotation shaft 7 can be driven without adding other driving sources.
As shown in fig. 3 and 5, the air inlet end of the tank body 1 is fixedly provided with a servo electric cylinder 8, and the output end of the servo electric cylinder 8 is rotatably connected with the rotating shaft 7.
Through the above technical solution, the present embodiment provides a propulsion mechanism that can be used to adjust the position of the fan 702, specifically, through the arrangement of the servo cylinder 8, the rotating shaft 7 can be driven to move in the axial direction in the can 1, so that the rotating shaft 7 can be propelled when necessary, so that the fan 702 can be located in the groove 101.
As shown in fig. 2 and 5, a blocking ring 9 is disposed between every two adjacent brushes 701 along the axial direction of the rotating shaft 7, and the blocking ring 9 surrounds the rotating shaft 7 and is fixedly connected with the side wall of the tank 1 through a connecting rod 10.
Through the above technical scheme, this embodiment provides the control mode that is applicable to the non-clean operating mode that maintains the through-hole, specifically, when need not clean the through-hole, in order not to block through-hole transmission noise sound wave and reduce the resistance influence of fan 702 to the exhaust, accessible servo cylinder 8 drives pivot 7 shrink, when fan 702 breaks away from recess 101, and the brush 701 is blocked by blocking ring 9 and is buckled, therefore the brush 701 can not contact each pipe fitting, just can not block up the through-hole yet.
As shown in fig. 4, an annular groove 11 is formed in the inner wall of the tank body 1, two disc springs 12 are symmetrically arranged in the annular groove 11, and the partition plate 4 is arranged between the two disc springs 12.
Through above-mentioned technical scheme, this embodiment provides the damping structure to baffle 4, because each baffle 4 is fallen the in-process of amortization of making an uproar and is received the sound wave collision all the time and produce the vibration, through the setting of baffle 4 both sides dish spring 12, can play the cushioning effect when baffle 4 vibrates, also consequently increased the life of baffle 4.
The tank 1 comprises two semi-cylindrical shells, and the two shells are detachably connected through bolts.
Through above-mentioned technical scheme, this embodiment provides a concrete structure of jar body 1, and jar body 1 has two semicylindrical shells to the combination forms to fixed through bolted connection, consequently made things convenient for regularly unpacking jar body 1 and overhauls jar body 1 internals.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The automobile pipeline silencing assembly is characterized by comprising a tank body (1), wherein an air inlet end of the tank body (1) is connected with an air inlet pipe (2), an air outlet end of the tank body is connected with an air outlet pipe (3), and three partition boards (4) are arranged in the tank body (1);
the three partition boards (4) divide the inner cavity of the tank body (1) into a first cavity, a second cavity, a third cavity and a fourth cavity in sequence according to the direction away from the air inlet end of the tank body (1);
the first cavity is communicated with the third cavity through a first connecting pipe (5), the first cavity is communicated with the fourth cavity through a second connecting pipe (6), and the air inlet pipe (2) penetrates through the two partition plates (4) and is communicated with the third cavity; through holes are formed in one side, facing the axis of the tank body (1), of the air inlet pipe (2), the first connecting pipe (5) and the second connecting pipe (6);
still be equipped with in the jar body (1) and sweep the hole and close the piece, including setting up pivot (7) on jar body (1) axis, pivot (7) run through and swing joint be in on the inlet end and the three of jar body (1) baffle (4), a plurality of brush (701) are evenly installed to the lateral wall of pivot (7).
2. The automobile pipeline silencing assembly as claimed in claim 1, wherein a circular groove (101) is formed in the center of the inner wall of the exhaust end of the tank body (1), and one end of the exhaust pipe (3) is located in the groove (101);
a fan (702) is arranged at one end, close to the exhaust end, of the rotating shaft (7), and the rotating radius of the edge of a fan blade of the fan (702) is smaller than the radius of the groove (101).
3. The automobile pipeline silencing assembly according to claim 2, wherein a servo electric cylinder (8) is fixedly arranged at the air inlet end of the tank body (1), and the output end of the servo electric cylinder (8) is rotatably connected with the rotating shaft (7).
4. A vehicle pipeline silencing assembly according to claim 3, wherein a blocking ring (9) is arranged between every two adjacent brushes (701) along the axial direction of the rotating shaft (7), and the blocking ring (9) surrounds the rotating shaft (7) and is fixedly connected with the side wall of the tank body (1) through a connecting rod (10).
5. The automobile pipeline silencing assembly according to claim 1, wherein an annular groove (11) is formed in the inner wall of the tank body (1), two disc springs (12) are symmetrically arranged in the annular groove (11), and the partition plate (4) is arranged between the two disc springs (12).
6. An automotive pipe silencing assembly according to claim 1, characterized in that the tank (1) comprises two semi-cylindrical shells, and the two shells are detachably connected by means of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321965392.6U CN220667661U (en) | 2023-07-24 | 2023-07-24 | Automobile pipeline silencing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321965392.6U CN220667661U (en) | 2023-07-24 | 2023-07-24 | Automobile pipeline silencing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667661U true CN220667661U (en) | 2024-03-26 |
Family
ID=90341816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321965392.6U Active CN220667661U (en) | 2023-07-24 | 2023-07-24 | Automobile pipeline silencing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667661U (en) |
-
2023
- 2023-07-24 CN CN202321965392.6U patent/CN220667661U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3187837A (en) | Free flow acoustic silencer constructed of resilient material | |
| CN105351037A (en) | Small-hole high-frequency noise eliminator | |
| CN113611273B (en) | Low noise muffler | |
| CN220667661U (en) | Automobile pipeline silencing assembly | |
| CN201021648Y (en) | A novel impedance compound muffling system for car engine air supply system | |
| CN104863681A (en) | Exhaust pipe silencing method | |
| CN107269348B (en) | Internal combustion engine exhaust silencer | |
| CN205330766U (en) | Aperture high frequency silencer | |
| KR100985150B1 (en) | Muffler for internal combustion engine and internal combustion engine having the same | |
| CN211258850U (en) | A noise eliminator and car for car intake pipe | |
| CN103527297B (en) | A kind of automobile exhaust thermal reaction purification device | |
| CN205638611U (en) | Multicavity backward flow dissipation combined type muffling device | |
| CN104153849A (en) | Tail gas and noise processing mechanism | |
| CN2869336Y (en) | Exhaust pipe silencer for internal combustion engine | |
| CN220539724U (en) | Muffler | |
| CN212202200U (en) | Exhaust silencer of agricultural machine engine | |
| CN204716338U (en) | Medium and low frequency mobile muffler | |
| CN214533152U (en) | Silencer assembly | |
| CN214698011U (en) | Exhaust valve device of variable exhaust gas channel of motorcycle | |
| CN218760077U (en) | Low-noise silencer | |
| CN218717086U (en) | Noise reduction silencer | |
| CN201173144Y (en) | Automobile exhaust silencer | |
| CN219119336U (en) | Efficient noise reduction equipment for automobile tail pipe | |
| CN216665715U (en) | Energy-saving environment-friendly silencer | |
| CN220979626U (en) | Exhaust muffler assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |