CN208918653U - A kind of total member of muffler - Google Patents
A kind of total member of muffler Download PDFInfo
- Publication number
- CN208918653U CN208918653U CN201821662417.4U CN201821662417U CN208918653U CN 208918653 U CN208918653 U CN 208918653U CN 201821662417 U CN201821662417 U CN 201821662417U CN 208918653 U CN208918653 U CN 208918653U
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- CN
- China
- Prior art keywords
- muffler
- air inlet
- inlet pipe
- chamber
- sound
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- 230000003584 silencer Effects 0.000 claims abstract description 36
- 239000011358 absorbing material Substances 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims description 20
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000009467 reduction Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008030 elimination Effects 0.000 abstract description 7
- 238000003379 elimination reaction Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model discloses a kind of total members of muffler, including silencer casing, muffler body is equipped in silencer casing, cavity is formed between muffler body and silencer casing, muffler body includes muffler cylinder, air inlet pipe, air inlet pipe branch pipe, escape pipe, muffler cylinder inboard wall surrounding is equipped with sound-absorbing material, sound-absorbing material internal layer is equipped with the first microperforated panel, the second microperforated panel is equipped between first microperforated panel and the sound-absorbing material, air inlet pipe is located at first chamber, air inlet pipe branch pipe and air inlet pipe vertical connection simultaneously protrude into third chamber, several buffer units are equipped in cavity between muffler body and silencer casing.The purpose of the utility model is to provide a kind of total members of muffler, noise reduction processing is carried out in such a way that resistive noise reduction, resistant noise-reducing and microperforated panel noise reduction combine, it is good in low frequency, intermediate frequency, high frequency noise elimination noise reduction effect, personnel can be effectively prevent to be burned, setting buffer unit extends the service life of muffler.
Description
Technical field
The utility model relates to technical field of automobile accessories more particularly to a kind of total members of muffler.
Background technique
Muffler is to allow air-flow to pass through, and can effectively stop the propagation of sound wave, is the effective tool for controlling noise.Disappear
Sound device can be divided into resistive muffler, resistant noise-reducing device, impedance complex formula muffler, microperforated panel muffler, small from working mechanism
Hole muffler and six kinds of active muffler.Resistive muffler mainly reduces noise using sound-absorbing porous material, enables sound more
It rubs in the hole of Porous materials and is converted into thermal energy consumption, thus reach noise elimination purpose；Reactive muffler is inside silencer
The sectional area of pipeline is sharply increased or reduced in a certain length thereof, so that sound wave is generated reflection and destructive interference when propagating and reaches
To noise elimination purpose；Microperforated panel muffler generally uses proof gold metal thin plate of the thickness less than 1mm to make, small with aperture on thin plate
In the bit bore of 1mm, punching rate is 1% one 5%, and the chamber for selecting different punching rates different with plate thickness is deep, so that it may control
The spectral performance of silencer makes it obtain good noise elimination effect in the frequency range of needs.
Muffler is structure as a whole with exhaust pipe, and there is no too big changes for the structure and working principle of muffler itself at present
Change, and often can not effectively remove the sound wave of each frequency range in noise, causes absorbing sound and lowering noise effect unobvious；Automobile exhaust pipe is being arranged
A large amount of heat can be taken away while gas, while automobile exhaust pipe hot, the traditional automobile exhaust pipe that can generate heat can all have one
Point naked to be exposed on the external, preferably to radiate, exposed exhaust pipe is also not provided with special protective device, and people are not paying attention to
In the case where can through being commonly encountered exhaust pipe, being burned the case where frequent occurrence.
Utility model content
In view of the above problems, the object of the present invention is to provide a kind of total members of muffler, using resistive noise reduction, resistance
The mode that noise reduction and microperforated panel noise reduction combine carries out noise reduction processing, good in low frequency, intermediate frequency, high frequency noise elimination noise reduction effect, energy
Enough personnel is effectively prevent to be burned, setting buffer unit extends the service life of muffler.
The utility model solves technical solution used by above-mentioned technical problem: a kind of total member of muffler, including disappears
Sound device shell, the silencer casing is interior to be equipped with muffler body, is formed between the muffler body and silencer casing
Cavity, the muffler body include muffler cylinder, air inlet pipe, air inlet pipe branch pipe, escape pipe, the muffler cylinder inboard wall
Surrounding is equipped with sound-absorbing material, and the sound-absorbing material internal layer is equipped with the first microperforated panel, first microperforated panel and the suction
The second microperforated panel is equipped between sound material, the muffler inner barrel is divided by the first partition and second partition to intersect vertically
For first chamber, second chamber, third chamber, the 4th chamber, the air inlet pipe is located at first chamber, the air inlet pipe branch pipe with
Air inlet pipe vertical connection simultaneously protrudes into third chamber, is equipped in the cavity between the muffler body and silencer casing several slow
Flushing device, the buffer unit include rubber bodies and buffer spring, and the outside of muffler cylinder is arranged in the rubber bodies, described
One end of buffer spring is fixedly connected with silencer casing, and the other end passes through rubber bodies and connect with muffler cylinder.
Further, the silencer casing is heat resistant plastice pipe.
Further, the muffler body is set as heat-conducting metal shell.
Further, the air inlet pipe is identical as air inlet pipe branch length of tube.
Further, in the first partition regular arrangement bloop, it is uniform as radius using the first partition center of circle
The bloop of diffusion, the bloop aperture are 5-6mm, and outermost layer bloop is still uniformly spread using the center of circle as radius, institute
Stating outermost layer bloop aperture is 7-10mm.
Further, the sound-absorbing material is corrosion resistant metal soft cloth.
Further, the silencer casing is equipped with several air holes.
Utility model has the advantages that
1. by being provided with silencer casing outside muffler body, the silencer casing is heat resistant plastice pipe, this
Sample muffler be not directly it is naked be exposed on the external, human body will not be contacted directly, and the personnel of can be effectively prevented are burned, and be referred to safely
Number is high；The silencer casing is equipped with several air holes, and such setting may make the heat of muffler body to pass through ventilation
Hole discharge, can be effectively performed the heat dissipation of muffler, prevent from damaging muffler body due to poor heat radiation, extend
The service life of muffler body.
2. widen sound sucting band using the double-deck microperforated panel structure, it is more preferable for low frequency noise assimilation effect；Using resistance
Property the mode that combines of noise reduction, resistant noise-reducing and microperforated panel noise reduction carry out noise reduction processing, eliminate the noise drop in low frequency, intermediate frequency, high frequency
Effect of making an uproar is good.
3. air inlet pipe is divided into and is divided into two kinds of paths when two branch pipe exhaust gas enter, the air inlet pipe is located at first chamber,
The air inlet pipe branch pipe is vertical with air inlet pipe to connect and protrudes into third chamber, extends exhaust gas in internal time and distance, and
And noise elimination effect is not interfere with each other, acoustical absorptivity is high.
4. the sound-absorbing material that cylinder inboard wall surrounding is laid with is corrosion resistant metal soft cloth, the acidity that can prevent muffler from accumulating
Liquid or air corrosion extend muffler service life.
5. the bloop on partition is not of uniform size, the sectional area for passing the gas through path is sharply increased in a certain length thereof
Or reduce, so that sound wave is generated reflection and destructive interference when propagating makes noise elimination effect more preferably.
6. automobile is influenced by environment or emergency event and causes to vibrate due in muffler actually uses, lead to
It crosses in the cavity between muffler body and silencer casing and is provided with several buffer units, buffer spring and rubber bodies may make
Silencer casing will not directly act on power in muffler body in vibration, and active force is passed through several buffering elastics when vibration
Spring and rubber bodies are dispersed, and it is disconnected can to effectively reduce the muffler occurred between muffler body and silencer casing by vibration
The case where splitting or damaging.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the first partition of the utility model.
Fig. 3 is the structural schematic diagram of the second partition of the utility model.
Fig. 4 is the schematic diagram of internal structure of the utility model.
Wherein: 1, muffler cylinder, 2, air inlet pipe, 3, air inlet pipe branch pipe, 4, escape pipe, 5. sound-absorbing materials, 6, first is micro-
Perforated plate, the 7, second microperforated panel, 8, first partition, 9, second partition, 10, first chamber, 11, second chamber, 12, third chamber
Room, the 13, the 4th chamber, 14, bloop, 15, silencer casing, 16, buffer spring, 17, rubber bodies
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The total member of a kind of muffler as shown in Figure 1, including silencer casing 15, interior be equipped with of silencer casing 15 disappear
Sound device main body, is formed with cavity between the muffler body and silencer casing 15, the muffler body includes muffler
Cylinder 1, air inlet pipe 2, air inlet pipe branch pipe 3, escape pipe 4, the 1 inner wall surrounding of muffler cylinder is equipped with sound-absorbing material 5, described
5 internal layer of sound-absorbing material is equipped with the first microperforated panel 6, and it is micro- that second is equipped between first microperforated panel 6 and the sound-absorbing material 5
Perforated plate 7 is divided for first chamber 10, by the first partition 8 and second partition 9 that intersect vertically inside the muffler cylinder 1
Two chambers 11, third chamber 12, the 4th chamber 13, the air inlet pipe 2 are located at first chamber 10, the air inlet pipe branch pipe 3 with into
2 vertical connection of tracheae simultaneously protrudes into third chamber 12.
As shown in figure 4, the cavity between the muffler body and silencer casing 15 is interior equipped with several buffer units, institute
Stating buffer unit includes rubber bodies 17 and buffer spring 16, and the outside of muffler cylinder 1 is arranged in the rubber bodies 17, described slow
The one end for rushing spring 16 is fixedly connected with silencer casing 15, and the other end passes through rubber bodies 17 and connect with muffler cylinder 1, is buffered
Spring 16 and rubber bodies 17 have preferable buffering effect, in muffler actual use, since automobile by environment or is dashed forward
It is vibrated caused by the influence of hair event, buffer spring 16 and rubber bodies 17 may make silencer casing 15 will not be straight in vibration
It connecing and acts on power in muffler body, when vibration, disperses active force by several buffer springs 16 and rubber bodies 17,
The case where muffler fracture or damage that occur between muffler body and silencer casing 15 by vibration can be effectively reduced.
Further, the silencer casing 15 be heat resistant plastice pipe, such muffler be not directly it is naked be exposed on the external, human body
It will not directly contact, the personnel of can be effectively prevented are burned, and safety index is high.
Further, the muffler body is set as heat-conducting metal shell, and setting in this way can ensure the same of noise reduction effect
When integrally radiate convenient for silencer, facilitate actual use.
Further, the air inlet pipe 2 is identical as 3 length of air inlet pipe branch pipe.
As shown in Fig. 2, in the first partition 8 regular arrangement bloop 14, with 8 center of circle of first partition for half
The bloop 14 that diameter is uniformly spread, 14 aperture of bloop are 5-6mm, and outermost layer bloop is still equal as radius using the center of circle
Even diffusion, outermost layer bloop aperture are 7-10mm.
As shown in figure 3, the bloop 14 for having at least ten not of uniform size on second partition 9.
Further, the sound-absorbing material 5 is corrosion resistant metal soft cloth, can be corrosion-resistant, the acidity for preventing muffler from accumulating
Liquid or air corrosion extend muffler service life.
Further, the silencer casing 15 is equipped with several air holes, and such setting may make muffler body
Heat is discharged by venthole, and the heat dissipation of muffler can be effectively performed, prevent from making muffler body due to poor heat radiation
At damage, the service life of muffler body is extended.
Working method:
The tail gas being discharged from engine enters in air inlet pipe 2, is divided into two kinds of paths, first is that entering first chamber 10 along straight line
In, second chamber 11 is entered by the different bloop 14 in cross section in first partition 8, the sound wave containing various frequency contents into
When entering second chamber 11, the sound wave of certain frequencies only near 14 intrinsic frequency of bloop could be arrived by second partition 9
Up to the 4th chamber 13, and the sound wave of other frequency then cannot be by mesh, can only roundtrip in the chamber；Second is that passing through
Air inlet pipe branch pipe 3 is directly entered in third chamber 12, the air-flow bloop 14 different by cross section, via in first partition 8
The bloop 14 not of uniform size of distribution enters the 4th chamber 13, and the sound wave containing various frequency contents enters third chamber 12
When, the sound wave of certain frequencies only near bloop intrinsic frequency could reach the 4th chamber 13 by first partition 8, and
The sound wave of other frequency then cannot be by mesh, can only roundtrip in the chamber.Another part gas passes through muffler
Sound-absorbing material 5,6 second microperforated panel 7 of the first microperforated panel of 1 surrounding of cylinder laying, are disappeared using resistance noise reduction and microperforated panel
Sound makes the noise in exhaust gas rub in the hole of sound-absorbing material and be converted to heat energy dissipation and fall, subtracts the sound wave of exhaust gas noise
It is weak, eliminate most of high-frequency noise.Last gas is discharged by the 4th chamber 13 via escape pipe 4, and entire sound-deadening and noise-reducing is completed
Process.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (7)
1. a kind of total member of muffler, including silencer casing, which is characterized in that be equipped with muffler master in the silencer casing
Body, is formed with cavity between the muffler body and silencer casing, the muffler body includes muffler cylinder, air inlet
Pipe, air inlet pipe branch pipe, escape pipe, the muffler cylinder inboard wall surrounding are equipped with sound-absorbing material, and the sound-absorbing material internal layer is set
There is the first microperforated panel, the second microperforated panel, the muffler are equipped between first microperforated panel and the sound-absorbing material
Inner barrel is divided into first chamber, second chamber, third chamber, the 4th chamber by the first partition and second partition that intersect vertically
Room, the air inlet pipe is located at first chamber, the air inlet pipe branch pipe and air inlet pipe vertical connection and protrudes into third chamber, described to disappear
Several buffer units are equipped in cavity between sound device main body and silencer casing, the buffer unit includes rubber bodies and buffering
The outside of muffler cylinder is arranged in spring, the rubber bodies, and one end of the buffer spring is fixedly connected with silencer casing,
The other end passes through rubber bodies and connect with muffler cylinder.
2. the total member of a kind of muffler according to claim 1, which is characterized in that the silencer casing is heat resistant plastice
Pipe.
3. the total member of a kind of muffler according to claim 1, which is characterized in that the muffler body is set as thermally conductive
Metal shell.
4. the total member of a kind of muffler according to claim 1, which is characterized in that the air inlet pipe and air inlet pipe Zhi Guanchang
It spends identical.
5. the total member of a kind of muffler according to claim 1, which is characterized in that regular arrangement in the first partition
Bloop, using the bloop that the first partition center of circle is uniformly spread as radius, the bloop aperture be 5-6mm, it is outermost
Layer bloop is still uniformly spread using the center of circle as radius, and outermost layer bloop aperture is 7-10mm.
6. the total member of a kind of muffler according to claim 1, which is characterized in that the sound-absorbing material is corrosion resistant gold
Belong to soft cloth.
7. the total member of a kind of muffler according to claim 1, which is characterized in that the silencer casing is equipped with several
Air hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662417.4U CN208918653U (en) | 2018-10-12 | 2018-10-12 | A kind of total member of muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821662417.4U CN208918653U (en) | 2018-10-12 | 2018-10-12 | A kind of total member of muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208918653U true CN208918653U (en) | 2019-05-31 |
Family
ID=66709199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821662417.4U Active CN208918653U (en) | 2018-10-12 | 2018-10-12 | A kind of total member of muffler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208918653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118217758A (en) * | 2024-03-21 | 2024-06-21 | 合肥迈睿思医疗科技有限公司 | Oxygenerator |
-
2018
- 2018-10-12 CN CN201821662417.4U patent/CN208918653U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118217758A (en) * | 2024-03-21 | 2024-06-21 | 合肥迈睿思医疗科技有限公司 | Oxygenerator |
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