CN108962210A - A kind of Combined type muffler - Google Patents
A kind of Combined type muffler Download PDFInfo
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- CN108962210A CN108962210A CN201810765880.XA CN201810765880A CN108962210A CN 108962210 A CN108962210 A CN 108962210A CN 201810765880 A CN201810765880 A CN 201810765880A CN 108962210 A CN108962210 A CN 108962210A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Exhaust Silencers (AREA)
Abstract
The present invention provides a kind of Combined type mufflers, including air induction hose, air inlet section, muffler section, exhaust section, exhaust hose, air inlet section is by expansion tube, air inlet visual window, round air inlet changeover portion, rectangular inlet changeover portion is constituted, exhaust section is by exhaust visual window, compressed pipe, rectangle exhaust transition section, circle exhaust changeover portion is constituted, muffler section is by monomer on chamber, monomer under chamber, noise elimination sponge, noise elimination wall surface rectangular unit and dovetail monomer are constituted, expansion tube is by air inlet straight tube, conical diffuser, round air inlet changeover portion is constituted, compressed pipe is by exhaust straight tube, conical convergent pipe, circle exhaust changeover portion is constituted, air induction hose, air inlet section, muffler section, exhaust section, exhaust hose head and the tail are welded to form.It after gas enters silencer, absorbs sound by repeatedly expanding decompression, and by sponge, effectively reduces the noise generated after gas discharge.The present invention realizes modularized design, can determine chamber quantity, excellent noise reduction effect, easy to repair and installation according to demand.
Description
Technical field
The present invention relates to a kind of acoustics silencing apparatus, are related to Combined type muffler.
Background technique
Noise is ubiquitous in life, so that people is generated sense of discomfort, affects the normal work and rest of people,
It is also possible to seriously threaten physically and mentally healthy generate of people, generates mental disease.From classification, silencer can be mainly divided into resistance
Property silencer, reactive muffler and impedance composite muffler.Current silencer noise elimination effect is poor, while a kind of noise elimination
Device is only used for a kind of device, and versatility is poor.
Summary of the invention
The purpose of the present invention is overcoming the shortcomings of silencer in the market, provide that a kind of noise elimination effect is good, replacement easy to repair
Combined type muffler.
The technical scheme adopted by the invention is that:
A kind of Combined type muffler of the present invention, is mainly made of air induction hose, exhaust hose, muffler body, it is described into
Gas hose is the plastic circular hose that a wall surface is in ripple, and the exhaust hose is a wall surface being connected with the external world in ripple
Plastic circular hose, the muffler body are made of air inlet section, muffler section and exhaust section, and the air inlet section is by expansion tube+4
A air inlet visual window+rectangular inlet set of transitions is at the expansion tube is by air inlet straight tube+cone diffuser+circle air inlet
Section composition expansion tube inlet welding installation air induction hose is crossed, outlet is welded in rectangular transition section, and air inlet visual window inner wall is glued
It is mounted on round air inlet changeover portion, outer wall splicing is mounted on rectangular inlet changeover portion, the welding of the rectangular inlet transition other end
On muffler section, the exhaust section is made of+4 exhaust visual window+compressed pipes of a rectangle exhaust transition section, the compressed pipe by
Circle exhaust changeover portion+conical convergent pipe+exhaust straight tube composition, rectangle exhaust transition section one end are welded on muffler section, separately
One end is welded on compression tube inlet, and exhaust visual window inner wall splicing is mounted on round exhaust changeover portion, and outer wall is glued installation
In rectangle exhaust transition section, compressed pipe outlet welding installation exhaust hose, the muffler section in several chamber+chambers by eliminating the noise
Cotton+muffler section front face+muffler section rear surface+muffler section upper wall surface+muffler section lower wall surface composition, the muffler section front face and
Rear surface is spliced by rectangular unit, and the muffler section upper wall surface and lower wall surface are formed by connecting by dovetail monomer, muffler section wall
Face is attached by top angle and bolt；
Preferably, the air inlet straight tube is the 2/7 of air inlet segment length, and flaring length of tube is the 4/7 of air inlet segment length, rectangle
Air inlet transition section length is the 1/7 of air inlet segment length；
Preferably, the rectangle exhaust transition section is be vented segment length 1/7, and the tapered length of tube in compression section is exhaust segment length
The 4/7 of degree, exhaust straight tube are compress segment length 1/7；
Preferably, the compressed pipe and expansion tube use identical whole design；
Preferably, the air inlet visual window and exhaust visual window use identical design；
Preferably, the visual window is the transparent glass that right-angle side is wrapped up by stalloy, and size is equal to 1/4 air inlet changeover portion
Section subtracts 1/4 round air inlet transition section, and thickness is slightly less than the length of round air inlet changeover portion；
Preferably, the width of the stalloy is equal to the length of round air inlet changeover portion, is glued on transparent glass；
Preferably, the air inlet section and exhaust section are designed using identical structure；
Preferably, the chamber inlet is small, broad in the middle, outlet is small, is divided into divergent segment, permanent section and converging transition, import,
Middle section, outlet are rectangle, import, outlet area be the 1/2 of middle section sectional area, be divided into monomer and lower monomer, upper monomer
It is connected by dovetail configuration structure with monomer under muffler section shell upper wall or upper chambers, lower monomer passes through dovetail configuration and lower section
Monomer or muffler section shell lower wall are connected on chamber, and chamber monomer is welded on the wall surface of muffler section shell front and back, on inner wall respectively
With a piece of noise elimination sponge；
Preferably, the noise elimination sponge width is equal to muffler section width and is integrated in structure using thickness design,
Longitudinal sound absorption sponge and laterally sound absorption sponge can be functionally divided into；
Preferably, the rectangular unit height is equal to muffler section height, and length is equal to the length of chamber monomer, not the company of use
Section is taken over, is only simply piled up, then front and back wall surface and upper lower wall surface is attached with top angle and bolt, then used
Seal coating is sealed processing to wall surface monomer junction, and dovetail monomer is attached using dovetail configuration；
Preferably, the muffler section uses modularized design, lower wall in the length and width and muffler section of muffler section chamber
The length and width of face monomer is identical；
Preferably, the top angle angle is 90 °, and length is equal to noise elimination segment length and adds rectangular transition segment length, thick
Degree is identical as the thickness of muffler section shell, and the width of one wing of top angle is equal to the half of chamber monomer length；
Preferably, the top angle quantity is 4, the quadrangle of muffler section is installed on using bolt, bolt is at bound edge angle
Steel bilateral symmetry is distributed, and bolt quantity 4 more than 2 times, is located at rectangle than muffler section wall surface amount of monomer on each top angle
On changeover portion and muffler section outer wall；
Preferably, the laterally sound absorption sponge is attached at monomer inner wall up and down using strength solid gum, and thickness is equal to chamber
The 1/6 of monomer perseverance section segment length；
Preferably, longitudinal sound absorption sponge is located at the edge of chamber cross section section, and length is equal to chamber perseverance cross-sectional length
1/3, highly be equal to chamber perseverance section height 1/2 or 1/3；
The advantages of this silencer is invented: a kind of Combined type muffler of the invention due to multiple changes of section chambers,
It can effectively reduce the energy of gas carrying, the noise along airflow direction not only can be absorbed in the indoor noise elimination sponge of chamber, while can
To absorb the noise circumferentially spread, the noise of gas generation is effectively reduced；Because use multiple visual windows, can from external observation to
Silencer interior section situation facilitates maintenance convenient for finding out silencer failure cause；Because using modularized design, the design is real
Show and voluntarily changed size on demand, while being also convenient for maintenance, replacement component.
Detailed description of the invention
Fig. 1 is a kind of Combined type muffler structural schematic diagram of the present invention.
Fig. 2 is Fig. 1 (A-A) cross-sectional view.
Fig. 3 is top angle connection schematic diagram.
Fig. 4 is exhaust visual window schematic diagram.
In figure: 1. air induction hoses, 2. air inlet straight tubes, 3. conical diffusers, monomer on 4. chambers, 6. noise elimination sponges, 7.
Conical convergent pipe, 8. exhaust straight tubes, 9. exhaust hoses, 10. rectangular inlet changeover portions, monomer under 11. chambers, 14. rectangles row
Gas changeover portion, 17. top angles, 18. bolts, 19. air inlet visual windows, 20. exhaust visual windows, 21. stalloys, 22. it is round into
Gas changeover portion, 23 round exhaust changeover portions, 24 rectangular units, 25. dovetail monomers.
Specific embodiment
Invention is described further with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of silencer of the present invention, mainly by air induction hose 1, exhaust hose 9, muffler body group
At air induction hose 1 is the plastic circular hose that a wall surface is in ripple, and exhaust hose 9 is a wall surface being connected with the external world in wave
The plastic circular hose of line, muffler body are made of air inlet section, muffler section and exhaust section, air inlet section by expansion tube+4 into
Gas visual window 19+ rectangular inlet changeover portion 10 forms, and expansion tube is by air inlet straight tube 2+ cone diffuser 3+ circle air inlet transition
Section 22 forms, and expansion tube inlet welding is mounted on air induction hose 1, and outlet is welded in rectangular transition section 14, air inlet visual window
The splicing of 19 inner walls is mounted on round air inlet changeover portion 22, and outer wall splicing is mounted on rectangular inlet changeover portion 10, rectangular inlet
The welding of 10 other end of changeover portion is mounted on muffler section, and exhaust section can by a rectangle exhaust transition section 14+ compressed pipe+4 exhausts
Form composition, compressed pipe are made of a round exhaust changeover portion 23+ conical convergent pipe 7+ exhaust straight tube 8, rectangle exhaust transition
14 one end of section are welded on muffler section, and the other end is welded on compression tube inlet, and upper exhaust hose 9 is welded in compressed pipe exit,
Exhaust 20 inner wall of visual window splicing is mounted on round exhaust changeover portion 22, and outer wall handover is mounted on rectangle exhaust transition section 23
On, muffler section is disappeared by noise elimination sponge 6+ muffler section front face+muffler section rear surface+muffler section upper wall surface+in several chamber+chambers
Sound section lower wall surface composition, muffler section front face and rear surface are made of the splicing of rectangular unit 24, muffler section upper wall surface and lower wall surface
It is made of the connection of dovetail monomer 25, muffler section wall surface is attached by top angle 17 and bolt 18, and chamber monomer is divided into
Monomer 4 and lower monomer 14, upper monomer 4 are connected by dovetail configuration structure with monomer 14 under muffler section upper wall surface or upper chambers,
Lower monomer 4 is connected by dovetail configuration with monomer on lower chamber or muffler section outer casing underpart, and chamber monomer is welded on muffler section
On front face and rear surface.
Specific embodiment:
When installation, the quantity of chamber is determined according to noise reduction demand first, is then assembled；When assembling, first with dovetail
Muffler section lower wall surface is completed by monomer 25, a top angle 17 of muffler section lower wall surface is then installed, by having installed
Top angle 17 rectangular unit 24 is connected to muffler section lower wall surface, then successively installed by this rectangular unit 24
Monomer 13 under monomer 4-noise elimination, 6-chamber of sponge is installed under chamber on single body 13-noise elimination, 6-chamber of sponge, to this rectangle
After the noise elimination chamber that monomer 24 corresponds to is installed, then another top angle 17 on this wall surface is installed, passes through this
The muffler section upper wall surface dovetail monomer 25 corresponded to is installed by top angle 17, passes through the packet on upper wall surface and lower wall surface
Corner angle installs the last one rectangular unit 24, and finally chamber monomer is welded on last wall surface monomer, this completes
The installation of one muffling unit repeats these steps, will be remaining until all noise elimination sound units are installed composition muffler section
Top angle group installs, and then rectangular inlet changeover portion 10, rectangle exhaust transition section 14 are welded on muffler section, will be expanded
Pipe outlet is welded on rectangular inlet changeover portion 14, compression tube inlet is welded in rectangle exhaust transition section, by air induction hose 1
It is welded on expansion tube inlet, exhaust hose 9 is welded on compressed pipe outlet, after the completion of welding, air inlet visual window 19 is glued and is justified
On shape air inlet changeover portion 22 and rectangular inlet changeover portion 10, exhaust visual window 20 is glued to round exhaust changeover portion 23 and rectangle
In exhaust transition section 14, processing is being sealed with sealing material to wall surface non-solder connecting portion.
In use, user of service first checks for the present invention with the presence or absence of defect, the normal use if zero defect is asked if it exists
Topic, then notify maintenance personal to repair.In use, gas enters air inlet section by air induction hose 1, the diffuser of air inlet section is to gas
Body carries out decompression reduction of speed, while keeping gas distribution more uniform, and then gas enters cavity via air inlet changeover portion；Due to cavity
The state of " small-big-small " is presented in section, can carry out secondary decompression reduction of speed to gas, while the intracorporal noise elimination sponge 6 of chamber can have
Effect absorbs the noise generated during this, finally, being discharged by the gas of repeatedly decompression noise reduction by exhaust hose 9.
When maintenance, silencer inner case is observed by air inlet visual window 19, exhaust visual window 20 first, basic determination disappears
Then sound device abort situation removes 18 top angle 17 of bolt that abort situation corresponds to, removes muffler section wall surface monomer, so as to
It repairs, after the completion of maintenance, the wall surface monomer removed first is placed on to the position of its script, finally use top angle 17 and spiral shell
Bolt 18 is reconnected.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, for this field
It is without departing from the spirit or essential characteristics of the present invention, all using description of the invention and attached for technical staff
Equivalent structure made by scheming, being applied directly or indirectly in other relevant technical fields, similarly includes of the invention special
In sharp protection scope.
Claims (7)
1. a kind of Combined type muffler is mainly made of air induction hose (1), exhaust hose (9), muffler body, the air inlet
Hose (1) is the plastic circular hose that a wall surface is in ripple, and the exhaust hose (9) is a wall surface being connected with the external world in wave
The plastic circular hose of line, the muffler body are made of air inlet section, muffler section and exhaust section, and the air inlet section is by expanding
Manage+4 air inlet visual windows (19)+rectangular inlet changeover portion (10) composition, the expansion tube by air inlet straight tube (2)+cone gradually
Expander (3)+circle air inlet changeover portion (22) composition, expansion tube inlet welding installation air induction hose (1), outlet is welded on rectangle mistake
It crosses on section (10), the splicing of air inlet visual window (19) inner wall is mounted on round air inlet changeover portion (22), and outer wall splicing is mounted on square
On shape air inlet changeover portion (10), rectangular inlet changeover portion (10) other end is mounted on muffler section, and the exhaust section is by a rectangle
(14)+4 exhaust visual windows (20) of exhaust transition section+compressed pipe composition, the compressed pipe is by circle exhaust changeover portion (23)+circle
Taper reducing pipe (7)+exhaust straight tube (8) composition, rectangle exhaust transition section (14) one end are welded on muffler section, other end welding
On compression tube inlet, exhaust visual window (20) inner wall splicing is mounted on round exhaust changeover portion (23), and outer wall is glued installation
In rectangle exhaust transition section (14), compressed pipe outlet welding installation exhaust hose (9), the muffler section is by several chamber+chambers
Indoor noise elimination sponge (6)+muffler section front face+muffler section rear surface+muffler section upper wall surface+muffler section lower wall surface composition is described
Muffler section front face and rear surface are spliced by rectangular unit (24), and the muffler section upper wall surface and lower wall surface are by dovetail monomer
(25) it is formed by connecting, muffler section wall surface is attached by top angle (17) and bolt (18).
2. a kind of Combined type muffler according to claim 1, it is characterised in that: the chamber inlet is small, it is broad in the middle, go out
It is mouthful small, be divided into divergent segment, permanent section and converging transition, import, middle section, outlet are rectangle, import, outlet area be middle section
The 1/2 of sectional area, is divided into monomer (4) and lower monomer (14), and upper monomer (4) passes through in dovetail configuration structure and muffler section shell
Monomer (14) is connected under wall or upper chambers, and lower monomer (14) passes through monomer (4) or muffler section on dovetail configuration and lower chamber
Shell lower wall is connected, and chamber monomer is welded on the wall surface of muffler section shell front and back, and a piece of noise elimination sponge is respectively provided on inner wall.
3. a kind of Combined type muffler according to claim 1, it is characterised in that: the rectangular unit (24) is highly equal to
Muffler section height, length are equal to the length of chamber monomer, do not use connection means, are only simply piled up, and bound edge angle is then used
Front and back wall surface and upper lower wall surface are attached by steel (17) with bolt (18), then with seal coating to wall surface monomer junction into
Row encapsulation process, dovetail monomer (25) are attached using dovetail configuration.
4. a kind of Combined type muffler according to claim 1, it is characterised in that: the visual window is by stalloy (21)
The transparent glass of right-angle side is wrapped up, size is equal to 1/4 air inlet changeover portion (10) section and subtracts 1/4 round air inlet changeover portion (22) section
Face, thickness are slightly less than the length of round air inlet changeover portion (22).
5. a kind of Combined type muffler according to claim 2, it is characterised in that: noise elimination sponge (6) width is equal to
Muffler section width is integrated in structure using thickness design, can functionally be divided into longitudinal sound absorption sponge and laterally sound absorption
Sponge.
6. a kind of Combined type muffler according to claim 5, it is characterised in that: the laterally sound absorption sponge uses strength
Solid gum is attached at monomer inner wall up and down, and thickness is equal to the 1/6 of chamber monomer perseverance section segment length.
7. a kind of Combined type muffler according to claim 5, it is characterised in that: longitudinal sound absorption sponge is located at chamber
The edge of cross-section segments, length are equal to the 1/3 of chamber perseverance cross-sectional length, are highly equal to the 1/2 or 1/ of chamber perseverance section height
3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765880.XA CN108962210A (en) | 2018-07-12 | 2018-07-12 | A kind of Combined type muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765880.XA CN108962210A (en) | 2018-07-12 | 2018-07-12 | A kind of Combined type muffler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108962210A true CN108962210A (en) | 2018-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810765880.XA Pending CN108962210A (en) | 2018-07-12 | 2018-07-12 | A kind of Combined type muffler |
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| Country | Link |
|---|---|
| CN (1) | CN108962210A (en) |
Citations (11)
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|---|---|---|---|---|
| GB1547168A (en) * | 1975-09-25 | 1979-06-06 | British Gas Corp | Gas-flow noise reduction systems |
| CN102129857A (en) * | 2011-03-23 | 2011-07-20 | 江苏海陆装饰有限公司 | Impedance composite type sound absorbing plate |
| CN102251700A (en) * | 2011-05-05 | 2011-11-23 | 葛洲坝集团第五工程有限公司 | Mobile combined type sound insulation room |
| CN202047880U (en) * | 2011-03-19 | 2011-11-23 | 南宁市三科医疗器械有限责任公司 | Novel impedance composite silencer |
| DE102012210713A1 (en) * | 2011-07-06 | 2013-01-10 | Denso Corporation | SOUND ABSORBING STRUCTURE |
| CN203742715U (en) * | 2013-12-31 | 2014-07-30 | 北京福田戴姆勒汽车有限公司 | Exhaust silencer and vehicle with same |
| CN204644898U (en) * | 2015-05-06 | 2015-09-16 | 济南金曰公路工程有限公司 | A kind of acoustical tile and expressway acoustic wall |
| CN106352194A (en) * | 2016-11-23 | 2017-01-25 | 西南石油大学 | Natural gas injection noise reducing device |
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| CN206726756U (en) * | 2017-03-13 | 2017-12-08 | 厦门大学嘉庚学院 | A kind of Combined type muffler for being convenient for changing muffling unit |
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-
2018
- 2018-07-12 CN CN201810765880.XA patent/CN108962210A/en active Pending
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|---|---|---|---|---|
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| CN202047880U (en) * | 2011-03-19 | 2011-11-23 | 南宁市三科医疗器械有限责任公司 | Novel impedance composite silencer |
| CN102129857A (en) * | 2011-03-23 | 2011-07-20 | 江苏海陆装饰有限公司 | Impedance composite type sound absorbing plate |
| CN102251700A (en) * | 2011-05-05 | 2011-11-23 | 葛洲坝集团第五工程有限公司 | Mobile combined type sound insulation room |
| DE102012210713A1 (en) * | 2011-07-06 | 2013-01-10 | Denso Corporation | SOUND ABSORBING STRUCTURE |
| CN203742715U (en) * | 2013-12-31 | 2014-07-30 | 北京福田戴姆勒汽车有限公司 | Exhaust silencer and vehicle with same |
| CN204644898U (en) * | 2015-05-06 | 2015-09-16 | 济南金曰公路工程有限公司 | A kind of acoustical tile and expressway acoustic wall |
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| CN106352194A (en) * | 2016-11-23 | 2017-01-25 | 西南石油大学 | Natural gas injection noise reducing device |
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| CN208580572U (en) * | 2018-07-12 | 2019-03-05 | 西南石油大学 | A kind of Combined type muffler |
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|---|
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Application publication date: 20181207 |
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