CN110486202B - Muffler after automobile engine presses - Google Patents
Muffler after automobile engine presses Download PDFInfo
- Publication number
- CN110486202B CN110486202B CN201910627226.7A CN201910627226A CN110486202B CN 110486202 B CN110486202 B CN 110486202B CN 201910627226 A CN201910627226 A CN 201910627226A CN 110486202 B CN110486202 B CN 110486202B
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- CN
- China
- Prior art keywords
- inner core
- shell
- silencer
- fixedly connected
- core shell
- 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.)
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- 239000011258 core-shell material Substances 0.000 claims abstract description 47
- 230000003584 silencer Effects 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 15
- 230000002829 reductive effect Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 10
- 238000005192 partition Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1205—Flow throttling or guiding
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a rear-pressure silencer of an automobile engine, which comprises a silencer shell, wherein a mounting disc is fixedly connected to the surface of the silencer shell, an intercooling pipeline is connected to the surface of the mounting disc in a threaded manner, a mounting plate is fixedly connected to the surface of the silencer shell, an inner core is movably connected to the inner wall of the silencer shell, the inner core comprises an inner core shell, a drainage plate and a separation ring are fixedly connected to the inner wall of the inner core shell, the surface of the separation ring is fixedly connected with the surface of the drainage plate, and a cavity is formed among the separation ring, the inner core shell and the drainage plate; the silencer can fully reduce noise through the cavity and the air inlet pipe, and the noise is reduced through the cavity filled with the inner core shell, so that the volume of the silencer is reduced to the greatest extent while the internal space of the silencer is fully utilized, the whole silencer is convenient to arrange, the silencer can be designed to be smaller under the special requirement, and the effects of effectively reducing noise and enabling the application range of the silencer to be wider are achieved.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a rear-pressing silencer of an automobile engine.
Background
The turbocharger is an auxiliary device used on a turbocharged engine, can increase the output power of the engine by increasing the fuel quantity and the engine speed, and in the working process of the turbocharger, because the impeller of the turbocharger rotates at high speed, the air on the plane of the impeller is disturbed periodically, under the action of pressure difference, the air is extruded to the rear part from the front part of the blade to generate gas vibration, the noise is strong, the turbocharger has wide frequency distribution, mainly comprises high-frequency components, the strength of the turbocharger is rapidly improved along with the increase of the speed, in order to reduce the intake noise, a silencer is required to be designed at the outlet end of the turbocharger, and in the existing silencer, due to design factors, the silencing effect is not perfect, and the driving comfort is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the automobile engine rear-mounted silencer which has the advantages of small volume and good noise reduction effect and solves the problems that the existing silencer is large in volume and not ideal in silencing effect.
The invention relates to a rear-mounted silencer of an automobile engine, which comprises a silencer shell, wherein a mounting disc is fixedly connected to the surface of the silencer shell, an intercooling pipeline is connected to the surface of the mounting disc through threads, a mounting plate is fixedly connected to the surface of the silencer shell, an inner core is movably connected to the inner wall of the silencer shell, the inner core comprises an inner core shell, a drainage plate and a partition ring are fixedly connected to the inner wall of the inner core shell, the surface of the partition ring is fixedly connected with the surface of the drainage plate, a cavity is formed among the partition ring, the inner core shell and the drainage plate, an air outlet pipe is fixedly connected to the inner wall, close to the left side, of the inner core shell, the surface of the air outlet pipe is movably connected with the inner wall of the silencer shell, a connecting disc is fixedly connected to the inner wall, close to the right side, an air inlet pipe is embedded to the surface of the connecting disc, and threads are arranged on the surface of the air inlet pipe; forty, eight chambers are in a group, five groups of chambers are axially distributed in the inner core shell along the central axis direction of the inner core shell, the chambers are all cubic, and the cross section of the separating ring in the chambers is in a parallelogram shape; the surface of the connecting disc is fixedly connected with a mounting ring, the surface of the mounting ring is in threaded connection with the surface of the inner core shell, and the surface of the inner core shell is provided with a movable groove matched with the mounting ring; the surface of the connecting disc is provided with a mounting movable groove, the inner wall of the mounting movable groove is fixedly connected with a dismounting plate through a hinge, and the surface of the dismounting plate is fixedly connected with an arc-shaped plate; the number of the mounting movable grooves is six, and the six mounting movable grooves are uniformly distributed on the surface of the connecting disc by taking the central axis of the connecting disc as a circular point; the surface of arc is seted up the recess with intake pipe looks adaptation, and the surface that the intake pipe was kept away from to the arc is the plane.
The automobile engine rear-end silencer provided by the invention has the advantages that the number of the drainage plates is eight, and the eight drainage plates are uniformly distributed on the inner wall of the inner core shell by taking the central axis of the inner core shell as a round point.
The automobile engine rear-mounted silencer is characterized in that the number of the separating rings is five, and the five separating rings are uniformly embedded on the surfaces of the eight drainage plates.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the silencer, through the chambers and the air inlet pipe, when air enters the inner core shell through the air inlet pipe, the air can be divided by the chambers and enter each chamber in a dispersed mode, so that the air flow speed passing through the inner core is reduced, high-frequency noise caused by high-speed air flow entering from the air inlet pipe is reduced, the noise of the forty uniformly distributed chambers can be reduced more fully, and the chambers filling the inner core shell are used for reducing noise, so that the internal space of the silencer is fully utilized, the size of the silencer is reduced to the greatest extent, the whole silencer is convenient to arrange, the silencer can be designed to be smaller under the special requirement condition, and the effects of effectively reducing noise and enabling the application range of the silencer to be wider are achieved.
2. According to the invention, through the installation of the movable groove and the dismounting plate, when the inner core needs to be dismounted and replaced, the dismounting plate can be completely turned over from the installation movable groove to be contacted with the air outlet pipe, and then is clamped on the surface of the arc-shaped plate through a wrench on the outside, so that the mounting disc can be quickly dismounted from the inner core shell, and when the dismounting plate is not needed, the dismounting plate can be put back into the installation movable groove, and the effect of conveniently replacing the inner core according to the requirement is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic perspective view of a rear muffler of an automobile engine;
FIG. 2 is a schematic perspective sectional view of a muffler of an automobile engine after compression;
FIG. 3 is a schematic front sectional view of a muffler shell;
FIG. 4 is a schematic side sectional view of a muffler shell;
fig. 5 is a schematic side sectional view of the connection plate.
In the figure: 1. a muffler housing; 2. mounting a disc; 3. an intercooling pipeline; 4. mounting a plate; 5. an inner core; 501. an inner core outer shell; 502. a drainage plate; 503. a spacer ring; 504. a chamber; 505. an air outlet pipe; 506. a connecting disc; 507. an air inlet pipe; 508. a mounting ring; 509. installing a movable groove; 510. disassembling the plate; 511. an arc-shaped plate.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-5, the muffler for automobile engine after compression comprises a muffler shell 1, a mounting plate 2 is fixedly connected to the surface of the muffler shell 1, an intercooling pipeline 3 is connected to the surface of the mounting plate 2 in a threaded manner, a mounting plate 4 is fixedly connected to the surface of the muffler shell 1, an inner core 5 is movably connected to the inner wall of the muffler shell 1, the inner core 5 comprises an inner core shell 501, a flow guide plate 502 and a separation ring 503 are fixedly connected to the inner wall of the inner core shell 501, the surface of the separation ring 503 is fixedly connected to the surface of the flow guide plate 502, a chamber 504 is formed between the separation ring 503, the inner core shell 501 and the flow guide plate 502, an air outlet pipe 505 is fixedly connected to the inner wall of the inner core shell 501 near the left side, the surface of the air outlet pipe 505 is movably connected to the inner wall of the muffler shell 1, a connecting plate 506 is fixedly connected to the inner wall of the inner core shell 501 near the right side, and an air inlet pipe 507 is embedded to the surface of the connecting plate 506, the surface of intake pipe 507 is provided with the screw thread, through cavity 504 and intake pipe 507, make when the air enters into inner core shell 501 through intake pipe 507, can be shunted and the dispersion gets into every cavity 504 by cavity 504, thereby make the air velocity through inner core 5 slow down, the high frequency noise that the high-speed wind stream that gets into by intake pipe 507 brought also reduces thereupon, and forty evenly distributed's cavity 504 can be more abundant noise reduction, and because fall and make an uproar through being full of the cavity 504 of inner core shell 501, when make full use of muffler inner space, the at utmost has reduced the volume of muffler, make things convenient for the complete machine to arrange, can also design littleer under the special requirement condition, reached and effectively fallen and make the wider effect of muffler application face.
The quantity of drainage plate 502 is eight, and eight drainage plates 502 are the inner wall of inner core shell 501 for dot evenly distributed at inner core shell 501 for the axis of inner core shell 501, and the quantity of separating ring 503 is five, and five separating rings 503 evenly inlay on eight drainage plate 502's surface for can be with the inside even division of inner core shell 501, guarantee when make full use of inner core shell 501 inner space, can more effective isolated noise.
The number of the chambers 504 is forty, and eight chambers 504 are a group, and five groups of chambers 504 are axially distributed in the inner core shell 501 along the central axis direction of the inner core shell 501, so that the air flow can be rapidly and continuously divided in the path that the air flowing at high speed flows from the air inlet pipe 507 to the air outlet pipe 505, and the effect of rapidly reducing the speed of the air flow is achieved.
The shape of the chamber 504 is a cube, and the cross section of the partition ring 503 in the chamber 504 is a parallelogram, so that after the air flow enters the chamber 504, a backflow can be formed and flows back from one end of the chamber 504, and then enters the air flow in the inner core shell 501 again in a reverse direction, and the speed of the air flow is further reduced, so that the noise reduction speed is higher.
The surface of the connecting disc 506 is fixedly connected with a mounting ring 508, the surface of the mounting ring 508 is in threaded connection with the surface of the inner core shell 501, and the surface of the inner core shell 501 is provided with a movable groove matched with the mounting ring 508, so that the inner core 5 can be conveniently detached from the inner core shell 501 when needed.
The surface of arc 511 sets up the recess with intake pipe 507 looks adaptation, and the surface that the intake pipe 507 was kept away from to arc 511 is the plane for when using the spanner to dismantle, arc 511 and dismantlement board 510 form a side on intake pipe 507 and be the structure of hexagon, facilitate the use spanner to pull down, do not need hard twisting.
When the invention is used, high-speed airflow of the turbocharged engine enters the inner core outer shell 501 from the air inlet pipe 507, then high-speed flowing air enters the chambers 504 from the inclined separating ring 503, and is continuously divided by the forty chambers 504 in the process that the air flows from the air inlet pipe 507 to the air outlet pipe 505, so that the speed of the high-speed flowing air is rapidly reduced, high-frequency noise caused by the high-speed flowing air can be partially eliminated, and the effect of effectively reducing the noise in the turbocharged engine is achieved.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1. The utility model provides a muffler after automobile engine presses, includes the muffler shell, its characterized in that: the surface of the silencer shell is fixedly connected with a mounting disc, the surface of the mounting disc is in threaded connection with an intercooling pipeline, the surface of the silencer shell is fixedly connected with a mounting plate, and the inner wall of the silencer shell is movably connected with an inner core;
the inner core comprises an inner core shell, wherein a drainage plate and a separation ring are fixedly connected to the inner wall of the inner core shell, the surface of the separation ring is fixedly connected with the surface of the drainage plate, a cavity is formed among the separation ring, the inner core shell and the drainage plate, an air outlet pipe is fixedly connected to the inner wall of the inner core shell close to the left side, the surface of the air outlet pipe is movably connected with the inner wall of the silencer shell, a connecting disc is fixedly connected to the inner wall of the inner core shell close to the right side, an air inlet pipe is embedded in the surface of the connecting disc, and threads are arranged on the surface of the air inlet pipe;
the number of the chambers is forty, the eight chambers are a group, the five groups of chambers are axially distributed in the inner core shell along the central axis direction of the inner core shell, the chambers are all cubic, the cross section of the separating ring in the chambers is parallelogram, the surface of the connecting disc is fixedly connected with the mounting ring, the surface of the mounting ring is in threaded connection with the surface of the inner core shell, the surface of the inner core shell is provided with a movable groove matched with the mounting ring, the surface of the connecting disc is provided with a mounting movable groove, the inner wall of the mounting movable groove is fixedly connected with a detaching plate through a hinge, the surface of the detaching plate is fixedly connected with an arc plate, the number of the mounting movable grooves is six, the six mounting movable grooves are uniformly distributed on the surface of the connecting disc by using the central axis of the connecting disc, and the surface of the arc plate is provided with a groove matched with an air inlet pipe, and the surface of the arc-shaped plate far away from the air inlet pipe is a plane.
2. The automobile engine rear-mounted muffler according to claim 1, wherein: the quantity of drainage board is eight, and eight drainage boards are the inner wall of dot evenly distributed at the inner core shell for the axis of inner core shell.
3. The automobile engine rear-mounted muffler according to claim 2, wherein: the number of the separating rings is five, and the five separating rings are uniformly embedded on the surfaces of the eight drainage plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627226.7A CN110486202B (en) | 2019-07-12 | 2019-07-12 | Muffler after automobile engine presses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627226.7A CN110486202B (en) | 2019-07-12 | 2019-07-12 | Muffler after automobile engine presses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110486202A CN110486202A (en) | 2019-11-22 |
| CN110486202B true CN110486202B (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910627226.7A Active CN110486202B (en) | 2019-07-12 | 2019-07-12 | Muffler after automobile engine presses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110486202B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849197Y (en) * | 2005-11-22 | 2006-12-20 | 比亚迪股份有限公司 | Resonator cavity in automobile air inlet system |
| CN202789240U (en) * | 2012-08-22 | 2013-03-13 | 冉超 | Gas conveying guiding pipe |
| CN205841061U (en) * | 2016-04-28 | 2016-12-28 | 长城汽车股份有限公司 | Silencing means and there is its vehicle |
| CN106930873A (en) * | 2015-12-30 | 2017-07-07 | 上海索菲玛汽车滤清器有限公司 | Air inlet pipe with noise elimination structure |
| CN107355323A (en) * | 2017-08-16 | 2017-11-17 | 冉超 | A kind of automotive air intake noise sound arrester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100896436B1 (en) * | 2008-11-07 | 2009-05-12 | 황부성 | A hydrogen-oxygen generating apparatus |
-
2019
- 2019-07-12 CN CN201910627226.7A patent/CN110486202B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849197Y (en) * | 2005-11-22 | 2006-12-20 | 比亚迪股份有限公司 | Resonator cavity in automobile air inlet system |
| CN202789240U (en) * | 2012-08-22 | 2013-03-13 | 冉超 | Gas conveying guiding pipe |
| CN106930873A (en) * | 2015-12-30 | 2017-07-07 | 上海索菲玛汽车滤清器有限公司 | Air inlet pipe with noise elimination structure |
| CN205841061U (en) * | 2016-04-28 | 2016-12-28 | 长城汽车股份有限公司 | Silencing means and there is its vehicle |
| CN107355323A (en) * | 2017-08-16 | 2017-11-17 | 冉超 | A kind of automotive air intake noise sound arrester |
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| Publication number | Publication date |
|---|---|
| CN110486202A (en) | 2019-11-22 |
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