CN104153860A - Cyclone dust removal long-life automobile muffler - Google Patents
Cyclone dust removal long-life automobile muffler Download PDFInfo
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- CN104153860A CN104153860A CN201410099642.1A CN201410099642A CN104153860A CN 104153860 A CN104153860 A CN 104153860A CN 201410099642 A CN201410099642 A CN 201410099642A CN 104153860 A CN104153860 A CN 104153860A
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- honeycomb duct
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- reduction chamber
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- 239000000428 dust Substances 0.000 title claims abstract description 15
- 230000001154 acute effect Effects 0.000 claims abstract description 52
- 230000030279 gene silencing Effects 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 4
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 claims description 3
- 235000011067 sorbitan monolaureate Nutrition 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 description 18
- 238000001228 spectrum Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003313 weakening effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a cyclone dust removal long-life automobile muffler. A muffling cylinder flattening piece is in a rectangular shape and is provided with a plurality of dual-door-window holes. The dual-door-window holes comprise rectangular sound through holes formed in the muffling cylinder flattening piece. The sound through holes are provided with beams. The axes of the beams coincide with the connecting lines of the midpoints of the opposite sides of the sound through holes. The two sides of each beam are connected with a wing plate A and a wing plate B. Each sound through hole is divided into two symmetric through holes with the same area through the corresponding beam. An acute angle A is formed between each wing plate A and the muffling cylinder flattening piece. An acute angle B is formed between each wing plate B and the muffling cylinder flattening piece. The area of each wing plate A is equal to the area of the region, on the left side of the beam, of the corresponding sound through hole. The area of the wing plate B is equal to the area of the region, on the right side of the beam, of the corresponding sound through hole. The cyclone dust removal long-life automobile muffler has the advantages of being simple in structure and strong in anti-noise capacity.
Description
Technical field
The present invention relates to automotive silencing field, specifically: a kind of cyclone dust removal long-life automotive muffler.
Background technique
Silencing pot end-cap assembly, as the significant components of automobile silencing, existing structure is mainly made up of silencing pot and end cap, and wherein, silencing pot is provided with the circle of evenly arranging and crosses sound hole, and end cap is slab construction.Above-mentioned hush pipe is used in after the car of Alto, can attenuating noise, and when the original output noise of motor is 95 decibels, after the noise reduction after silencing pot end-cap assembly is processed, 73.58 decibels of its outputs, its noise is still larger.Conventional construction is that direct current was wind structure, and the time has been grown, and the mistake wind hole of muffler part inside can be blocked, causes silencing apparatus to use, and therefore the life-span of general silencing apparatus is 3 years to 5 years.
Summary of the invention
Technical problem to be solved by this invention is that a kind of cyclone dust removal long-life automotive muffler that a kind of noise reduction value is large is set.
The present invention addresses the above problem adopted technological scheme: a kind of cyclone dust removal long-life automotive muffler, comprise the first noise reduction chamber connecting successively, the second noise reduction chamber, the 3rd noise reduction chamber, the termination of giving vent to anger, indoor second honeycomb duct that is provided with of the first silencing cavity, after extending into the second honeycomb duct by the first honeycomb duct, introduces the gas of eliminating the noise, the first noise reduction chamber is communicated with the second noise reduction chamber by the 3rd honeycomb duct, the second noise reduction chamber is communicated with the 3rd noise reduction chamber by the 4th honeycomb duct, the 3rd noise reduction chamber is communicated with external environment condition after running through by the 5th honeycomb duct the termination of giving vent to anger, the second honeycomb duct is the cylindrical shell that front-end and back-end are all sealed, and the second honeycomb duct is communicated with the first noise reduction chamber by the some air passing holes that are arranged on self outer wall, one end that the 3rd honeycomb duct is positioned at the first noise reduction chamber is closed end, and one end that the 4th honeycomb duct and the 5th honeycomb duct are positioned at the 3rd noise reduction chamber is closed end,
The 5th honeycomb duct, the 4th honeycomb duct, the 3rd honeycomb duct equal open and flat of rectangular silencing pot after flattening, open and flat of silencing pot is provided with several two-door window openings, two-door window opening comprises the sound hole of crossing of the rectangle that is arranged on open and flat of silencing pot, cross sound hole and be provided with crossbeam, the axis of crossbeam overlaps with the line of crossing sound hole relative edge mid point, crossbeam both sides are connected with wing plate A and wing plate B, crossbeam is divided into homalographic and two symmetrical through holes by crossing sound hole, between open and flat of wing plate A and silencing pot, form acute angle A, between open and flat of wing plate B and silencing pot, form acute angle B, the area of wing plate A equals crossbeam left side and crosses sound hole region area, the area of wing plate B equals crossbeam right side and crosses sound hole region area,
The region that the 3rd honeycomb duct is provided with two-door window opening is M district, it is indoor that M district is positioned at the first silencing cavity, the region that the 4th honeycomb duct is provided with two-door window opening is N district, it is indoor that N district is positioned at the 3rd silencing cavity, the region that the 5th honeycomb duct is provided with two-door window opening is X district, it is indoor that X district is positioned at the 3rd silencing cavity, wherein the wing plate A of the 3rd honeycomb duct and wing plate B are positioned at the 3rd honeycomb duct pipe inner side, the wing plate A of the 5th honeycomb duct and wing plate B are positioned at the 5th honeycomb duct pipe inner side, and the wing plate A of the 4th honeycomb duct and wing plate B are positioned at the 4th honeycomb duct pipe inner side.
The first honeycomb duct is mainly by the first honeycomb duct inner tube be arranged on outer field the first honeycomb duct outer tube of the first honeycomb duct inner tube and form, the first honeycomb duct inner tube is positioned at the indoor one end of the first silencing cavity and on circumferential surface, is evenly laid with several helical blades, the first honeycomb duct inner tube and helical blade are provided with through hole, it is sealing surface that the first honeycomb duct inner tube is positioned at the indoor end face of the first silencing cavity, and the first honeycomb duct outer wall of inner tube and helical blade are provided with through hole.
The present invention by the first honeycomb duct as the parts of inputting gas to be eliminated the noise, utilize through hole air-out and the first honeycomb duct outer tube air intake of the first honeycomb duct inner tube, and utilize helical blade to make the gas muffler body for the treatment of of direct current type form whirlwind, the whirlwind of input is circumferential mobile at the second honeycomb duct like this, whirlwind disturbance is caused in the second honeycomb duct inside, can avoid like this dirt to be blocked on the through hole of the second honeycomb duct, can increase working life, can reach more than 8 years general working life.
The circular noise-cancelling theory of crossing sound hole of tradition is: the structure of micropole diffusor is the straight tube of an endcapped, is drilled with a lot of apertures on tube wall.The principle of micropole diffusor is taking the frequency spectrum of jet noise as foundation, replace with a lot of little spouts if the gross area of maintenance spout is constant, when the frequency spectrum of air-flow during through small holes, jet noise will be shifted to high frequency or ultra-high frequency, audible sound composition in frequency spectrum is obviously reduced, thereby reduce interference and injury to people.
Design of the present invention is: change traditional circular hole into rectangular opening, utilize crossbeam to intercept into 2 symmetrical through holes by crossing sound hole, and utilize wing plate A and wing plate B to form sound wave obstruct break-in, between two adjacent mistake sound holes, propagate to the adjacent sound hole direction of crossing under the leading role of wing plate A and wing plate B from the sound wave of crossing sound hole outflow, final mutual weakening, reaches the object of noise reduction.Under the same conditions, be sound hole structure difference, the present invention compares the sound hole of crossing of traditional round structure, and when the 5th honeycomb duct or the 4th honeycomb duct or the 3rd honeycomb duct are set separately, noise reduction index of the present invention can be controlled at 51.5-68.4 decibel interval.
Preferably, wing plate A and wing plate B are rectangle.
The angle of acute angle A equals 20 degree or 30 degree or 40 degree or 50 degree or 60 degree or 70 degree, and the angle of acute angle B equals 20 degree or 30 degree or 40 degree or 50 degree or 60 degree or 70 degree.
Through above-mentioned experiment, the present invention is preferred, and when the angle of acute angle A equals 30 degree, the angle of acute angle B equals 30 degree.
Preferably, the angle of acute angle A equals acute angle B.
Further, every three two-door window openings rearrange the two-door window opening group of row formula according to yi word pattern, three two-door window opening groups of row formula are not arranged and are formed the two-door window opening group of determinant according to row, the column direction of being expert at of the two-door window opening group of two row formulas separately flushes and arranges, and the two-door window opening group of row formula in the middle of being positioned at all misplaces and arranges with the two-door window opening group of row formula of both sides.
The indoor silencing board that is also provided with of the second silencing cavity, silencing board is between the 4th honeycomb duct and the 3rd honeycomb duct.
The axis angle of the axis of the 5th honeycomb duct and the 4th honeycomb duct is angle P, and the span 20 of angle P is spent to 70 degree.
Through experiment, when the 5th honeycomb duct or the 4th honeycomb duct or the 3rd honeycomb duct are set separately, and when the angle of acute angle A equals 20 degree, the angle of acute angle B equals 20 while spending, noise reduction index of the present invention can be controlled at 57.5 decibels, through experiment, when the angle of acute angle A equals 30 degree, the angle of acute angle B equals 30 while spending, noise reduction index of the present invention can be controlled at 51.5 decibels, through experiment, when the angle of acute angle A equals 20 degree, the angle of acute angle B equals 20 while spending, noise reduction index of the present invention can be controlled at 57 decibels, through experiment, when the angle of acute angle A equals 40 degree, the angle of acute angle B equals 40 while spending, noise reduction index of the present invention can be controlled at 60.4 decibels, through experiment, when the angle of acute angle A equals 50 degree, the angle of acute angle B equals 50 while spending, noise reduction index of the present invention can be controlled at 64 decibels, through experiment, when the angle of acute angle A equals 60 degree, the angle of acute angle B equals 60 while spending, noise reduction index of the present invention can be controlled at 65.8 decibels, through experiment, when the angle of acute angle A equals 70 degree, the angle of acute angle B equals 70 while spending, noise reduction index of the present invention can be controlled at 68.4 decibels.
Through experiment, after the 5th honeycomb duct, the first honeycomb duct, the second honeycomb duct, the first noise reduction chamber, the 3rd honeycomb duct, the second noise reduction chamber, silencing board, the 4th honeycomb duct, the 3rd noise reduction chamber, the termination of giving vent to anger are combined according to said structure, can export in 41.7-52.1 decibel interval by control noise.
To sum up, the invention has the beneficial effects as follows: simple in structure, anti-noise ability is strong.
Brief description of the drawings
Fig. 1 is the front view for open and flat of silencing pot.
Fig. 2 is side planing figure of the present invention.
Fig. 3 is the structural drawing of the first honeycomb duct.
Number in the figure is expressed as: 1, two-door window opening; 2, the two-door window opening group of row formula; 3, the two-door window opening group of determinant; 4, wing plate A; 5, wing plate B; 6, cross sound hole; 7, open and flat of silencing pot; 8, the 5th honeycomb duct; 81, the first honeycomb duct; 82, the second honeycomb duct; 83, the first noise reduction chamber; 84, the 3rd honeycomb duct; 85, the second noise reduction chamber; 86, silencing board; 87, the 4th honeycomb duct; 88, the 3rd noise reduction chamber; 89, the termination of giving vent to anger; 91, the first honeycomb duct inner tube, 92, the first honeycomb duct outer tube, 93, helical blade.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is done to detailed description further, but embodiments of the present invention are not limited to this.
Embodiment 1:
As shown in Figure 1-Figure 3.
A kind of cyclone dust removal long-life automotive muffler, comprise the first noise reduction chamber 83 connecting successively, the second noise reduction chamber 85, the 3rd noise reduction chamber 88, the termination 89 of giving vent to anger, in the first noise reduction chamber 83, be provided with the second honeycomb duct 82, after extending into the second honeycomb duct 82 by the first honeycomb duct 81, introduces the gas of eliminating the noise, the first noise reduction chamber 83 is communicated with the second noise reduction chamber 85 by the 3rd honeycomb duct 84, the second noise reduction chamber 85 is communicated with the 3rd noise reduction chamber 88 by the 4th honeycomb duct 87, the 3rd noise reduction chamber 88 is communicated with external environment condition after running through by the 5th honeycomb duct 8 termination 89 of giving vent to anger, the cylindrical shell that the second honeycomb duct 82 all seals for front-end and back-end, the second honeycomb duct 82 is communicated with the first noise reduction chamber 83 by the some air passing holes that are arranged on self outer wall, one end that the 3rd honeycomb duct 84 is positioned at the first noise reduction chamber 83 is closed end, and one end that the 4th honeycomb duct 87 and the 5th honeycomb duct 8 are positioned at the 3rd noise reduction chamber 88 is closed end,
The 5th honeycomb duct 8, the 4th honeycomb duct 87, the 3rd honeycomb duct 84 equal open and flat 7 of rectangular silencing pots after flattening, open and flat of silencing pot is provided with several two-door window openings 1, what two-door window opening comprised the rectangle that is arranged on open and flat 7 of silencing pot crosses sound hole 6, cross sound hole 6 and be provided with crossbeam, the axis of crossbeam overlaps with the line of crossing sound hole 6 relative edge's mid points, crossbeam both sides are connected with wing plate A4 and wing plate B5, crossbeam is divided into homalographic and two symmetrical through holes by crossing sound hole 6, between open and flat of wing plate A4 and silencing pot, form acute angle A, between open and flat of wing plate B5 and silencing pot, form acute angle B, the area of wing plate A4 equals crossbeam left side and crosses sound hole 6 region areas, the area of wing plate B5 equals crossbeam right side and crosses sound hole 6 region areas.
The region that the 3rd honeycomb duct 84 is provided with two-door window opening 1 is M district, M district is positioned at the first noise reduction chamber 83, the region that the 4th honeycomb duct 87 is provided with two-door window opening 1 is N district, N district is positioned at the 3rd noise reduction chamber 88, the region that the 5th honeycomb duct 8 is provided with two-door window opening 1 is X district, X district is positioned at the 3rd noise reduction chamber 88, wherein the wing plate A4 of the 3rd honeycomb duct 84 and wing plate B5 are positioned at the 3rd honeycomb duct 84 pipe inner sides, the wing plate A4 of the 5th honeycomb duct 8 and wing plate B5 are positioned at the 5th honeycomb duct 8 pipe inner sides, the wing plate A4 of the 4th honeycomb duct 87 and wing plate B5 are positioned at the 4th honeycomb duct 87 pipe inner sides.
The first honeycomb duct 81 is mainly by the first honeycomb duct inner tube 91 be arranged on outer field the first honeycomb duct outer tube 92 of the first honeycomb duct inner tube 91 and form, one end that the first honeycomb duct inner tube 91 is positioned at the first noise reduction chamber 83 is evenly laid with several helical blades 93 on circumferential surface, the first honeycomb duct inner tube 91 and helical blade 93 are provided with through hole, the end face that the first honeycomb duct inner tube 91 is positioned at the first noise reduction chamber 83 is sealing surface, and the first honeycomb duct inner tube 91 outer walls and helical blade 93 are provided with through hole.
The present invention by the first honeycomb duct 81 as the parts of inputting gas to be eliminated the noise, utilize through hole air-out and first honeycomb duct outer tube 92 air intakes of the first honeycomb duct inner tube 91, and utilize helical blade 93 to make the gas muffler body for the treatment of of direct current type form whirlwind, the whirlwind of input is circumferential mobile at the second honeycomb duct 82 like this, whirlwind disturbance is caused in the second honeycomb duct 82 inside, can avoid like this dirt to be blocked on the through hole of the second honeycomb duct 82, can increase working life, can reach more than 8 years general working life.
The noise reduction flow process of this enforcement is: gas to be eliminated the noise is input to the second honeycomb duct 82 from the first honeycomb duct 81, the cylindrical shell all sealing for front-end and back-end due to the second honeycomb duct 82, drive for the first time and eliminate the noise and process at the second honeycomb duct 82, gas to be eliminated the noise flows to the first noise reduction chamber 83 from some air passing holes of the second honeycomb duct 82 self outer wall, pass through after air passing hole wait the gas of eliminating the noise, sound wave is cancelled each other and is weakened, after the gas of eliminating the noise enters the first noise reduction chamber 83, after two-door window opening 1 by the 3rd honeycomb duct 84, enter the 3rd honeycomb duct 84, in dividing under effect of two-door window opening 1, the interior formation noise reduction of the 3rd honeycomb duct 84 interval, gas to be eliminated the noise is in the interior further weakening of the 3rd honeycomb duct 84, gas to be eliminated the noise enters the second noise reduction chamber 85 by the 3rd honeycomb duct 84, cushion break-in at the second noise reduction chamber 85, further carry out noise reduction processing, finally enter the 4th honeycomb duct 87, gas to be eliminated the noise flows to the 3rd noise reduction chamber 88 from the two-door window opening 1 of the 4th honeycomb duct 87, eliminate the noise and process in the interior formation of the 3rd noise reduction chamber 88, gas to be eliminated the noise finally flows to the inner also discharge of the 5th honeycomb duct 8 by the two-door window opening of the 5th honeycomb duct 81 place, in the 5th honeycomb duct 8 due to the leading role of two-door window opening 1, gas to be eliminated the noise is further weakened.
The circular noise-cancelling theory of crossing sound hole of tradition is: the structure of micropole diffusor is the straight tube of an endcapped, is drilled with a lot of apertures on tube wall.The principle of micropole diffusor is taking the frequency spectrum of jet noise as foundation, replace with a lot of little spouts if the gross area of maintenance spout is constant, when the frequency spectrum of air-flow during through small holes, jet noise will be shifted to high frequency or ultra-high frequency, audible sound composition in frequency spectrum is obviously reduced, thereby reduce interference and injury to people.
Design of the present invention is: change traditional circular hole into rectangular opening, utilize crossbeam to intercept into 2 symmetrical through holes by crossing sound hole 6, and utilize wing plate A4 and wing plate B5 to form sound wave obstruct break-in, between two adjacent mistake sound holes 6, propagate to the adjacent sound hole direction of crossing under the leading role of wing plate A4 and wing plate B5 from the sound wave that sound hole 6 flows out excessively, final mutual weakening, reaches the object of noise reduction.Under the same conditions, it was sound hole structure difference, the present invention compares the sound hole of crossing of traditional round structure, and when the 5th honeycomb duct 8 or the 4th honeycomb duct 87 or the 3rd honeycomb duct 84 are set separately, noise reduction index of the present invention can be controlled at 51.5-68.4 decibel interval.
Preferably, wing plate A4 and wing plate B5 are rectangle.
The angle of acute angle A equals 20 degree or 30 degree or 40 degree or 50 degree or 60 degree or 70 degree, and the angle of acute angle B equals 20 degree or 30 degree or 40 degree or 50 degree or 60 degree or 70 degree.
Through above-mentioned experiment, the present invention is preferred, and when the angle of acute angle A equals 30 degree, the angle of acute angle B equals 30 degree.
Preferably, the angle of acute angle A equals acute angle B.
Further, every three two-door window openings 1 rearrange the two-door window opening group 2 of row formula according to yi word pattern, three two-door window opening groups 2 of row formula are not arranged and are formed the two-door window opening group 3 of determinant according to row, the column direction of being expert at of the two-door window opening group 2 of two row formulas separately flushes and arranges, and the two-door window opening group 2 of row formula in the middle of being positioned at all misplaces and arranges with the two-door window opening group 2 of row formula of both sides.
Through experiment, when the 5th honeycomb duct 8 or the 4th honeycomb duct 87 or the 3rd honeycomb duct 84 are set separately, and when the angle of acute angle A equals 20 degree, the angle of acute angle B equals 20 while spending, noise reduction index of the present invention can be controlled at 57.5 decibels, through experiment, when the angle of acute angle A equals 30 degree, the angle of acute angle B equals 30 while spending, noise reduction index of the present invention can be controlled at 51.5 decibels, through experiment, when the angle of acute angle A equals 20 degree, the angle of acute angle B equals 20 while spending, noise reduction index of the present invention can be controlled at 57 decibels, through experiment, when the angle of acute angle A equals 40 degree, the angle of acute angle B equals 40 while spending, noise reduction index of the present invention can be controlled at 60.4 decibels, through experiment, when the angle of acute angle A equals 50 degree, the angle of acute angle B equals 50 while spending, noise reduction index of the present invention can be controlled at 64 decibels, through experiment, when the angle of acute angle A equals 60 degree, the angle of acute angle B equals 60 while spending, noise reduction index of the present invention can be controlled at 65.8 decibels, through experiment, when the angle of acute angle A equals 70 degree, the angle of acute angle B equals 70 while spending, noise reduction index of the present invention can be controlled at 68.4 decibels.Through experiment, after the 5th honeycomb duct, the first honeycomb duct, the second honeycomb duct, the first noise reduction chamber, the 3rd honeycomb duct, the second noise reduction chamber, silencing board, the 4th honeycomb duct, the 3rd noise reduction chamber, the termination of giving vent to anger are combined according to said structure, can export in 41.7-52.1 decibel interval by control noise.
In the second noise reduction chamber 85, be also provided with silencing board 86, silencing board 86 is between the 4th honeycomb duct 87 and the 3rd honeycomb duct 84.Further reduce by 2 decibels of left and right of noise.Silencing board 86 is set simultaneously and can shortens the 3rd honeycomb duct 84 and the length of the 4th honeycomb duct 87 in the second noise reduction chamber 85, then the 3rd honeycomb duct 84 that 86 of silencing boards need to grow if do not arranged and the 4th honeycomb duct 87 are interspersed and could form the bending reflux line of air-flow.
For the ease of exhaust, the axis angle of the axis of the 5th honeycomb duct 8 and the 4th honeycomb duct 87 is angle P, and the span 20 of angle P is spent to 70 degree.
As mentioned above, can realize preferably the present invention.
Claims (7)
1. a cyclone dust removal long-life automotive muffler, it is characterized in that, comprise the first noise reduction chamber (83) connecting successively, the second noise reduction chamber (85), the 3rd noise reduction chamber (88), the termination (89) of giving vent to anger, in the first noise reduction chamber (83), be provided with the second honeycomb duct (82), after extending into the second honeycomb duct (82) by the first honeycomb duct (81), introduces the gas of eliminating the noise, the first noise reduction chamber (83) is communicated with the second noise reduction chamber (85) by the 3rd honeycomb duct (84), the second noise reduction chamber (85) is communicated with the 3rd noise reduction chamber (88) by the 4th honeycomb duct (87), the 3rd noise reduction chamber (88) is communicated with external environment condition after running through the termination of giving vent to anger (89) by the 5th honeycomb duct (8), the cylindrical shell that the second honeycomb duct (82) all seals for front-end and back-end, the second honeycomb duct (82) is communicated with the first noise reduction chamber (83) by the some air passing holes that are arranged on self outer wall, one end that the 3rd honeycomb duct (84) is positioned at the first noise reduction chamber (83) is closed end, and one end that the 4th honeycomb duct (87) and the 5th honeycomb duct (8) are positioned at the 3rd noise reduction chamber (88) is closed end,
The 5th honeycomb duct (8), the 4th honeycomb duct (87), the 3rd honeycomb duct (84) equal rectangular open and flat of silencing pot (7) after flattening, open and flat of silencing pot is provided with several two-door window openings (1), what two-door window opening comprised the rectangle that is arranged on silencing pot open and flat (7) crosses sound hole (6), cross sound hole (6) and be provided with crossbeam, the axis of crossbeam overlaps with the line of crossing sound hole (6) relative edge's mid point, crossbeam both sides are connected with wing plate A(4) and wing plate B(5), crossbeam will be crossed sound hole (6) and be divided into homalographic and two symmetrical through holes, wing plate A(4) and open and flat of silencing pot between form acute angle A, wing plate B(5) and open and flat of silencing pot between form acute angle B, wing plate A(4) area equal crossbeam left side and cross sound hole (6) region area, wing plate B(5) area equal crossbeam right side and cross sound hole (6) region area,
The region that the 3rd honeycomb duct (84) is provided with two-door window opening (1) is M district, M district is positioned at the first noise reduction chamber (83), the region that the 4th honeycomb duct (87) is provided with two-door window opening (1) is N district, N district is positioned at the 3rd noise reduction chamber (88), the region that the 5th honeycomb duct (8) is provided with two-door window opening (1) is X district, X district is positioned at the 3rd noise reduction chamber (88), the wherein wing plate A(4 of the 3rd honeycomb duct (84)) and wing plate B(5) be positioned at inside the 3rd honeycomb duct (84) pipe, the wing plate A(4 of the 5th honeycomb duct (8)) and wing plate B(5) be positioned at inside the 5th honeycomb duct (8) pipe, the wing plate A(4 of the 4th honeycomb duct (87)) and wing plate B(5) be positioned at inside the 4th honeycomb duct (87) pipe,
The first honeycomb duct (81) mainly by the first honeycomb duct inner tube (91) and be arranged on the first honeycomb duct inner tube (91) outer field first honeycomb duct outer tube (92) form, one end that the first honeycomb duct inner tube (91) is positioned at the first noise reduction chamber (83) is evenly laid with several helical blades (93) on circumferential surface, the first honeycomb duct inner tube (91) and helical blade (93) are provided with through hole, the end face that the first honeycomb duct inner tube (91) is positioned at the first noise reduction chamber (83) is sealing surface, the first honeycomb duct inner tube (91) outer wall and helical blade (93) are provided with through hole.
2. a kind of cyclone dust removal long-life automotive muffler according to claim 1, is characterized in that wing plate A(4) and wing plate B(5) be rectangle.
3. a kind of cyclone dust removal long-life automotive muffler according to claim 1, it is characterized in that, the angle of acute angle A equals 20 degree or 30 degree or 40 degree or 50 degree or 60 degree or 70 degree, and the angle of acute angle B equals 20 degree or 30 degree or 40 degree or 50 degree or 60 degree or 70 degree.
4. a kind of cyclone dust removal long-life automotive muffler according to claim 1, is characterized in that, the angle of acute angle A equals acute angle B.
5. a kind of cyclone dust removal long-life automotive muffler according to claim 1, it is characterized in that, every three two-door window openings (1) rearrange the two-door window opening group of row formula (2) according to yi word pattern, three two-door window opening groups of row formula (2) are not arranged and are formed the two-door window opening group of determinant (3) according to row, the column direction of being expert at of the two-door window opening groups of two row formulas (2) separately flushes and arranges, and the two-door window opening group of row formula (2) in the middle of being positioned at all misplaces and arranges with the two-door window opening group of row formula (2) of both sides.
6. a kind of cyclone dust removal long-life automotive muffler according to claim 1, it is characterized in that, in the second noise reduction chamber (85), be also provided with silencing board (86), silencing board (86) is positioned between the 4th honeycomb duct (87) and the 3rd honeycomb duct (84).
7. a kind of cyclone dust removal long-life automotive muffler according to claim 1, is characterized in that, the axis angle of the axis of the 5th honeycomb duct (8) and the 4th honeycomb duct (87) is angle P, and the span 20 of angle P is spent to 70 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099642.1A CN104153860B (en) | 2014-03-18 | 2014-03-18 | A kind of cyclone dust removal high life automotive muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099642.1A CN104153860B (en) | 2014-03-18 | 2014-03-18 | A kind of cyclone dust removal high life automotive muffler |
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| Publication Number | Publication Date |
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| CN104153860A true CN104153860A (en) | 2014-11-19 |
| CN104153860B CN104153860B (en) | 2016-07-06 |
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| CN201410099642.1A Expired - Fee Related CN104153860B (en) | 2014-03-18 | 2014-03-18 | A kind of cyclone dust removal high life automotive muffler |
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| DE10148413A1 (en) * | 2001-09-29 | 2003-04-24 | Eberspaecher J Gmbh & Co | Flow-guiding pipe used in an exhaust silencer of an internal combustion engine comprises an axial section with a radial perforation, and a turbulator device provided upstream of the perforated section on an inner wall of the pipe |
| CN203430608U (en) * | 2013-08-20 | 2014-02-12 | 张晓荣 | Spark extinguishing and silencing device |
| CN203742736U (en) * | 2014-03-18 | 2014-07-30 | 成都陵川常友汽车部件制造有限公司 | Dust removal automobile muffler with long service life |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10148413A1 (en) * | 2001-09-29 | 2003-04-24 | Eberspaecher J Gmbh & Co | Flow-guiding pipe used in an exhaust silencer of an internal combustion engine comprises an axial section with a radial perforation, and a turbulator device provided upstream of the perforated section on an inner wall of the pipe |
| CN203430608U (en) * | 2013-08-20 | 2014-02-12 | 张晓荣 | Spark extinguishing and silencing device |
| CN203742736U (en) * | 2014-03-18 | 2014-07-30 | 成都陵川常友汽车部件制造有限公司 | Dust removal automobile muffler with long service life |
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| CN104153860B (en) | 2016-07-06 |
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