CN209654100U - A kind of brill sound eliminator for automobile - Google Patents
A kind of brill sound eliminator for automobile Download PDFInfo
- Publication number
- CN209654100U CN209654100U CN201920157606.4U CN201920157606U CN209654100U CN 209654100 U CN209654100 U CN 209654100U CN 201920157606 U CN201920157606 U CN 201920157606U CN 209654100 U CN209654100 U CN 209654100U
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- silencing cavity
- sound
- baffle
- box body
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Abstract
The utility model belongs to muffler technical field, propose a kind of brill sound eliminator for automobile, including box body, interconnected at one end the first silencing cavity and the second silencing cavity are provided in box body, there are two the settings of box body one end into sound pipe, two are connected to the first silencing cavity into sound pipe, filtration of sound orifice plate is provided on box side wall, several first baffles are arranged at intervals in first silencing cavity, width of the first baffle width less than the first silencing cavity, two neighboring first baffle is separately positioned on along two inner walls of the first silencing cavity width direction, several second baffles are arranged at intervals in second silencing cavity, width of the second baffle width less than the second silencing cavity, two neighboring second baffle is separately positioned on along two inner walls of the second silencing cavity short transverse, solves the technical problem of existing muffler erasure effect difference.
Description
Technical field
The utility model belongs to noise reduction technical field, is related to a kind of brill sound eliminator for automobile.
Background technique
Muffler is a kind of device for preventing sound transmission and air-flow being allowed to pass through, and is the weight for eliminating air power noise
Want measure.Muffler is mounted in air powered equipment, such as air blower, air compressor machine, boiler exhaust mouth, generator, water pump row
The device of reduction noise on the airflow channel of the biggish equipment of port noise or in inlet and exhaust system.Muffler is divided into expansion
Type muffler, resonance type muffler and absorption silencer, intumescent muffler be minor diameter pipe is expanded to large diameter pipe so as to
Reduce noise;Resonance type muffler is that noise is diffused to width altogether from minor diameter pipe by multiple holes being formed in minor diameter pipe
Chamber shake to offset noise;Sound-absorbing material is provided in absorbing silencer, sound-absorbing material absorption of noise is to reduce noise.
There are the technical problems such as erasure effect difference for existing muffler.
Utility model content
The utility model proposes a kind of brill sound eliminator for automobile, solve above-mentioned technical problem.
The technical solution of the utility model is achieved in that
A kind of brill sound eliminator for automobile, comprising:
Box body, is provided with interconnected at one end the first silencing cavity and the second silencing cavity in the box body, and described first
Silencing cavity and second silencing cavity are arranged along its length, and the setting of described box body one end is there are two into sound pipe, and described first
Silencing cavity and second silencing cavity are interconnected far from described into one end of sound pipe, into sound pipe with described the described in two
One silencing cavity is connected to, and filtration of sound orifice plate is provided on the box side wall, and the filtration of sound orifice plate setting is leaned in second silencing cavity
It is close described on the side wall of sound pipe one end, several first baffles, first resistance are arranged at intervals in first silencing cavity
Sound board width is less than the width of first silencing cavity, and two neighboring first baffle is separately positioned on to disappear along described first
On two inner walls of sound chamber width direction, several second baffles, the second resistance sound are arranged at intervals in second silencing cavity
Board width is less than the width of second silencing cavity, and two neighboring second baffle is separately positioned on along second noise reduction
On two inner walls of chamber short transverse.
As further technical solution, it is provided with cooling chamber between first silencing cavity and second silencing cavity,
The inlet and outlet being connected to the cooling chamber are provided on the box side wall.
As further technical solution, first silencing cavity is separated by first partition and the cooling chamber, described
Second silencing cavity is separated by second partition and the cooling chamber.
As further technical solution, the filtration of sound orifice plate is provided on the outer wall of the second silencing cavity surrounding.
As further technical solution, several arcs are provided on first baffle and second baffle
Groove.
Compared with prior art, it utility model works principle and has the beneficial effect that
1, in the utility model, muffler includes the box body of rectangular shape, has the first silencing cavity and second to disappear in box body
Sound chamber, the first silencing cavity and the second silencing cavity are arranged all along box body length direction, the setting of one end of box body there are two into sound pipe,
The first silencing cavity and the second silencing cavity are interconnected at the other end of box body, and noise enters from two into sound pipe, disappear along first
Sound chamber, the transmission of the second silencing cavity, spread out of from close into the filtration of sound orifice plate from second silencing cavity of sound pipe one end, in the first noise reduction
Intracavitary the first baffle for being arranged at intervals with several left-right situs is arranged at intervals with several be arranged above and below in the second silencing cavity
Second baffle, sound is constantly stopped by the first baffle and the second baffle in box body along different paths, in filtration of sound
The noise reduction again of orifice plate exit has several micropores on filtration of sound orifice plate, noise can be made to disperse, and multiple noise reduction makes discharge
Noise is reduced to 100 decibels or less.
2, in the utility model, cooling chamber between the first silencing cavity and the second silencing cavity for reducing with noise simultaneously into
Enter the intracorporal high-temperature gas of box, muffler is wanted to operate under high temperature environment, be cooled down using the mode of water cooling.Cooling chamber into
The mouth of a river and water outlet are arranged on box wall, and connection water tank realizes circulating chilled water.
3, in the utility model, the top and bottom sidewall of cooling chamber is the top and bottom sidewall of box body, and the left and right sidewall of cooling chamber is to set
It sets in the intracorporal first partition of box and second partition, is first partition, cooling chamber and second between cooling chamber and the first silencing cavity
It is second partition between silencing cavity, first partition and second partition are parallel to each other and vertical with the top and bottom sidewall of box body, make to cool down
Chamber sealing.
4, in the utility model, the top and bottom sidewall of the second silencing cavity, the front bulkhead and second partition adjacent with second partition
Filtration of sound orifice plate is provided on opposite side wall, filtration of sound orifice plate realizes the dispersion to noise by its micropore, reduces decibel.
5, in the utility model, arc groove can make sound wave generate reflection, distributed noise and noise reduction.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is perspective structure schematic diagram inside the utility model;
Fig. 3 is perspective structure schematic diagram inside the first silencing cavity of the utility model;
Fig. 4 is perspective structure schematic diagram inside the second silencing cavity of the utility model;
Fig. 5 is the first baffle of the utility model structural schematic diagram;
In figure: 1- box body, the first silencing cavity of 2-, the second silencing cavity of 3-, 4- is into sound pipe, 5- filtration of sound orifice plate, 6- the first resistance sound
Plate, the second baffle of 7-, 8- cooling chamber, 9- water inlet, 10- apopore, 11- first partition, 12- second partition, 13- arc are recessed
Slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As Figure 1-Figure 5, the utility model proposes a kind of brill sound eliminator for automobile, comprising:
Box body 1 is provided with interconnected at one end the first silencing cavity 2 and the second silencing cavity 3, the first noise reduction in box body 1
Chamber 2 and the second silencing cavity 3 are arranged along its length, and there are two the settings of 1 one end of box body into sound pipe 4, the first silencing cavity 2 and second
Silencing cavity 3 into one end of sound pipe 4 far from being interconnected, and two are connected to the first silencing cavity 2 into sound pipe 4, on 1 side wall of box body
It is provided with filtration of sound orifice plate 5, the second silencing cavity 3 is arranged in close on the side wall of 4 one end of sound pipe in filtration of sound orifice plate 5, the first silencing cavity 2
Inside be arranged at intervals with several first baffles 6,6 width of the first baffle less than the first silencing cavity 2 width, two neighboring first
Baffle 6 is separately positioned on along two inner walls of 2 width direction of the first silencing cavity, is arranged at intervals in the second silencing cavity 3 several
Second baffle 7, less than the width of the second silencing cavity 3, two neighboring second baffle 7 is respectively set 7 width of the second baffle
On two inner walls along 3 short transverse of the second silencing cavity.
In the present embodiment, muffler includes the box body 1 of rectangular shape, there is the first silencing cavity 2 and the second noise reduction in box body 1
Chamber 3, the first silencing cavity 2 and the second silencing cavity 3 are arranged all along 1 length direction of box body, and there are two one end settings of box body 1 into sound
Pipe 4, the first silencing cavity 2 and the second silencing cavity 3 are interconnected at the other end of box body 1, and noise enters from two into sound pipe 4, edge
The first silencing cavity 2, the transmission of the second silencing cavity 3, passed from close at the filtration of sound orifice plate 5 from second silencing cavity 3 of 4 one end of sound pipe
Out, it is arranged at intervals with the first baffle 6 of several left-right situs in the first silencing cavity 2, setting is spaced in the second silencing cavity 3
There are several the second baffles 7 being arranged above and below, sound is in box body 1 along different paths constantly by the first baffle 6 and
Two baffles 7 stop, and have several micropores in 5 exit of filtration of sound orifice plate noise reduction again, filtration of sound orifice plate 5, can make noise point
It dissipates, multiple noise reduction makes the noise of discharge be reduced to 100 decibels or less.
Further, cooling chamber 8 is provided between the first silencing cavity 2 and the second silencing cavity 3, be provided on 1 side wall of box body with
The water inlet 9 and water outlet 10 that cooling chamber 8 is connected to.
In the present embodiment, cooling chamber 8 between the first silencing cavity 2 and the second silencing cavity 3 for reducing with noise simultaneously into
Enter the high-temperature gas in box body 1, muffler is wanted to operate under high temperature environment, be cooled down using the mode of water cooling.Cooling chamber 8
Water inlet 9 and water outlet are arranged on 1 wall of box body, and connection water tank realizes circulating chilled water.
Further, the first silencing cavity 2 is separated by first partition 11 with cooling chamber 8, and the second silencing cavity 3 passes through second partition
12 separate with cooling chamber 8.
In the present embodiment, the top and bottom sidewall of cooling chamber 8 is the top and bottom sidewall of box body 1, and the left and right sidewall of cooling chamber 8 is setting
First partition 11 and second partition 12 in box body 1 are first partition 11, cooling chamber between cooling chamber 8 and the first silencing cavity 2
8 and second be second partition 12 between silencing cavity 3, first partition 11 and second partition 12 be parallel to each other and with box body 1 up and down
Side wall is vertical, seals cooling chamber 8.
Further, filtration of sound orifice plate 5 is provided on the outer wall of 3 surrounding of the second silencing cavity.
In the present embodiment, the top and bottom sidewall of the second silencing cavity 3, the front bulkhead and second partition adjacent with second partition 12
Filtration of sound orifice plate 5 is provided on 12 opposite side walls, filtration of sound orifice plate 5 realizes the dispersion to noise by its micropore, reduces decibel.
Further, several arc grooves 13 are provided on the first baffle 6 and the second baffle 7.
In the present embodiment, arc groove 13 can make sound wave generate reflection, distributed noise and noise reduction.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of brill sound eliminator for automobile, which is characterized in that including box body (1), be provided in the box body (1) and mutually interconnect at one end
Logical the first silencing cavity (2) and the second silencing cavity (3), first silencing cavity (2) and second silencing cavity (3) are along length
Direction setting,
There are two box body (1) one end settings into sound pipe (4), first silencing cavity (2) and second silencing cavity (3) In
It is interconnected, is connected into sound pipe (4) with first silencing cavity (2) described in two, institute into one end of sound pipe (4) far from described
It states and is provided with filtration of sound orifice plate (5) on box body (1) side wall, filtration of sound orifice plate (5) setting is in second silencing cavity (3) close to institute
It states on the side wall of sound pipe (4) one end,
Several first baffles (6) are arranged at intervals in first silencing cavity (2), the first baffle (6) width is less than
The width of first silencing cavity (2), two neighboring first baffle (6) are separately positioned on along first silencing cavity
(2) on two inner walls of width direction,
Several second baffles (7) are arranged at intervals in second silencing cavity (3), the second baffle (7) width is less than
The width of second silencing cavity (3), two neighboring second baffle (7) are separately positioned on along second silencing cavity
(3) on two inner walls of short transverse.
2. a kind of brill sound eliminator for automobile according to claim 1, which is characterized in that first silencing cavity (2) with it is described
It is provided between second silencing cavity (3) cooling chamber (8), is provided on box body (1) side wall and to be connected to the cooling chamber (8)
Water inlet (9) and water outlet (10).
3. a kind of brill sound eliminator for automobile according to claim 2, which is characterized in that first silencing cavity (2) passes through the
One partition (11) is separated with the cooling chamber (8), and second silencing cavity (3) passes through second partition (12) and the cooling chamber
(8) it separates.
4. a kind of brill sound eliminator for automobile according to claim 1, which is characterized in that the second silencing cavity (3) surrounding
The filtration of sound orifice plate (5) is provided on outer wall.
5. a kind of brill sound eliminator for automobile according to claim 1, which is characterized in that first baffle (6) and described
Several arc grooves (13) are provided on second baffle (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920157606.4U CN209654100U (en) | 2019-01-29 | 2019-01-29 | A kind of brill sound eliminator for automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920157606.4U CN209654100U (en) | 2019-01-29 | 2019-01-29 | A kind of brill sound eliminator for automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209654100U true CN209654100U (en) | 2019-11-19 |
Family
ID=68523231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920157606.4U Active CN209654100U (en) | 2019-01-29 | 2019-01-29 | A kind of brill sound eliminator for automobile |
Country Status (1)
Country | Link |
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CN (1) | CN209654100U (en) |
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2019
- 2019-01-29 CN CN201920157606.4U patent/CN209654100U/en active Active
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