CN219510996U - Muffler of making an uproar falls in exhaust - Google Patents
Muffler of making an uproar falls in exhaust Download PDFInfo
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- CN219510996U CN219510996U CN202320623036.XU CN202320623036U CN219510996U CN 219510996 U CN219510996 U CN 219510996U CN 202320623036 U CN202320623036 U CN 202320623036U CN 219510996 U CN219510996 U CN 219510996U
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- silencing
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- 230000030279 gene silencing Effects 0.000 claims abstract description 81
- 238000009413 insulation Methods 0.000 claims abstract description 64
- 230000003584 silencer Effects 0.000 claims abstract description 16
- 229910000838 Al alloy Inorganic materials 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 13
- 239000011358 absorbing material Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 229920001875 Ebonite Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003570 air Substances 0.000 description 14
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 239000012814 acoustic material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 108010066057 cabin-1 Proteins 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model relates to an exhaust noise reduction muffler, comprising: the sound insulation device comprises a sound insulation bin, a first sound insulation plate, a second sound insulation plate, a third sound insulation plate and a fourth sound insulation plate; the first sound insulation plate, the second sound insulation plate, the third sound insulation plate and the fourth sound insulation plate are sequentially arranged in the silencing bin and are used for forming a multi-layer silencing structure; wherein, amortization storehouse includes: the silencing bin cover, two side panels, a rear panel and two bottom panels; the two side panels and the two bottom panels are enclosed and fixed to form upper, lower, left and right bin surfaces of the silencing bin; the silencing bin cover is arranged on the air inlet surface of the silencing bin and used for forming a front bin surface; the rear panel is arranged on the exhaust surface of the silencing bin and is used for forming a rear bin surface. The four layers of silencer plates provided by the utility model are combined by unique structural design, and the generated noise is greatly weakened after passing through the four layers of silencer plates.
Description
Technical Field
The utility model belongs to the technical field of noise reduction and noise reduction of a plateau, and particularly relates to an exhaust noise reduction muffler.
Background
Because the atmospheric pressure and various partial pressures of gases can change along with the rise of the altitude, the conditions of low atmospheric pressure and low oxygen content are common in high altitude areas. The short-term or long-term living personnel in the high altitude area is easy to have altitude reaction and altitude diseases, which is unfavorable for the physical and mental health of the staff. In order to avoid the damage to human bodies caused by continuous high-pressure environments in high-altitude areas, pressure-bearing buildings are generated. The bearing building mainly reduces the equivalent altitude by increasing the local ambient air pressure according to the local supercharging theory, because of the strong sealing property of the bearing building, the concentration of carbon dioxide in the building is gradually increased due to the respiration of people, the indoor and outdoor air is required to be circulated uninterruptedly to maintain the air components suitable for life, the indoor air is discharged through an exhaust pipeline, and then the outdoor clean air is filled into the room by an air compressor.
Because of the high pressure difference between the inside and outside of the room, when the indoor air is discharged outdoors through the exhaust duct, the indoor air of up to 12m/s rubs against the side wall of the exhaust duct, generating a large amount of noise to be transmitted into the room, so that a silencer is required to eliminate and reduce such noise.
The existing silencing equipment needs to eliminate larger noise, needs larger volume, is not attractive in appearance and occupies house space, and needs to design a silencer which is small in size, easy to replace parts and good in silencing performance.
Disclosure of Invention
First, the technical problem to be solved
Aiming at the existing technical problems, the utility model provides an exhaust noise reduction muffler, which solves the technical problems of large volume and poor noise reduction and noise reduction effects of the muffler in the prior art.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
an exhaust noise reduction muffler comprising: the sound insulation device comprises a sound insulation bin, a first sound insulation plate, a second sound insulation plate, a third sound insulation plate and a fourth sound insulation plate;
the first sound insulation plate, the second sound insulation plate, the third sound insulation plate and the fourth sound insulation plate are sequentially arranged in the silencing bin and are used for forming a multi-layer silencing structure;
wherein, amortization storehouse includes: the silencing bin cover, two side panels, a rear panel and two bottom panels;
the two side panels and the two bottom panels are enclosed and fixed to form upper, lower, left and right bin surfaces of the silencing bin;
the silencing bin cover is arranged on the air inlet surface of the silencing bin and used for forming a front bin surface;
the rear panel is arranged on the exhaust surface of the silencing bin and is used for forming a rear bin surface.
Preferably, the shape of the silencing bin cover is an open hollow cube welding piece, the material of the silencing bin cover is aluminum alloy, the thickness of the aluminum alloy is 2mm, and decorative holes are distributed on the panel of the silencing bin cover and used for air intake.
Preferably, the side panel is made of aluminum alloy and has a thickness of 2mm;
screw clamping grooves are respectively formed in the parts, close to the two bottom panels, of the side panels, and are provided with a plurality of adjusting screws;
the rear panel is made of aluminum alloy, has the thickness of 2mm and is provided with a round hole at the center;
the bottom panel is made of aluminum alloy and has a thickness of 2mm.
Preferably, the two side panels, the rear panel and the two bottom panels are welded to each other as an open hollow cube weld;
the welding piece is a silencing bin box;
the outline size of the outer side surface of the silencing bin box is equal to that of the inner side surface of the silencing bin cover;
the silencing bin cover is buckled at the opening of the silencing bin box;
the inside wall of amortization bin cover with the lateral wall of amortization bin box is clearance fit, and the fit clearance equals zero.
Preferably, the method further comprises: a connecting pipe;
the connecting pipe is made of galvanized seamless steel pipes;
one end of the connecting pipe is provided with pipe threads, and the other end of the connecting pipe is placed in a round hole formed in the rear panel of the silencing bin and is welded on the rear panel of the silencing bin;
the diameter of the round hole is equal to the outer diameter of the connecting pipe.
Preferably, the first sound insulation board consists of a first hard baffle and a first sound absorption board;
the first hard baffle is hollow rectangular, the outer contour size of the first hard baffle is equal to the inner cross section size of the silencing bin, and the first hard baffle is made of hard rubber;
the first sound absorbing plate is made of porous sound absorbing materials, the size of the first sound absorbing plate is equal to the hollow size of the first hard baffle, and the porosity is 60% -80%;
the first sound absorbing plate is placed at the hollow part of the first hard baffle, the matching relationship is clearance fit, and the matching clearance is equal to zero.
Preferably, the second sound-insulating plate is a whole sound-absorbing plate, the size of the second sound-insulating plate is equal to the size of the section in the sound-deadening bin, the second sound-insulating plate is made of porous sound-absorbing materials, and the porosity is 15% -25%.
Preferably, the third sound insulation board consists of a second hard baffle and a second sound absorption board;
the shape and the size of the second sound-absorbing plate are consistent with those of the first hard baffle plate in the first sound-insulating plate, the second sound-absorbing plate is made of porous sound-absorbing materials, and the porosity is 60% -80%;
the shape and the size of the second hard baffle are consistent with those of the first sound-absorbing plate in the first sound-absorbing plate;
the second hard baffle is placed at the hollow part of the second sound absorbing plate, the matching relationship is clearance fit, and the matching clearance is equal to zero.
Preferably, the fourth acoustic panel is shaped and sized identically to the second acoustic panel, and the material is a porous acoustic material with a porosity of 15% -25%.
Preferably, the spacing between the first, second, third and fourth baffles is adjustable;
the mounting inclinations of the first acoustic panel, the second acoustic panel, the third acoustic panel and the fourth acoustic panel are all adjustable.
(III) beneficial effects
The high-speed air flow is rubbed with the exhaust pipe wall after passing through the four layers of the silencing plates to generate noise, the noise direction is opposite to the air flow, and the generated noise is greatly weakened after passing through the four layers of the silencing plates due to the unique structural design combination of the four layers of the silencing plates.
The noise reducer provided by the utility model has a simple structure, is convenient for disassembling and replacing parts, the distance and the direction of the sound insulation plates are convenient for adjustment, the sound insulation plates are not limited to be placed on a bottom plate of a vertical noise reduction bin, and can maintain a certain inclined angle under a proper condition, the optimization needs to be performed according to specific indoor environment, for example, 100 noise reducers are installed indoors with the same size, the same ventilation effect is required to be achieved, the air quantity passing through each noise reducer in the same period is one percent compared with that of 1 noise reducer, and the inclined angle of the sound insulation plates needs to be moderately adjusted under the condition to ensure that low-speed wind energy passes through the noise reducer.
The noise reducer provided by the utility model is arranged in the wall decoration layer, the patterns of the noise reduction bin cover plate can be customized according to the requirements of customers, and the noise reduction bin cover plate is integrated with the decoration wall surface, and is attractive and elegant and good in concealment.
The noise reducer provided by the utility model has the following characteristics: the four layers of the silencing plates are designed, and the silencing plates are complementary with the silencing plate structure; the silencer can be arranged on the house interior decorative layer by the unique structural design; the decorative holes of the sound insulation cover plate can be customized, and the sound insulation cover plate is attractive, elegant and good in concealment; the installation position and the installation angle of each sound attenuation plate are adjustable.
Drawings
Fig. 1 is a schematic view of the internal structure of a muffler provided in the present embodiment;
fig. 2 is a schematic view of the external structure of the muffler provided in the present embodiment;
FIG. 3 is a schematic view of the muffler installation provided in the present embodiment;
FIG. 4 is a schematic view of the muffler bin structure of the muffler provided in the present embodiment;
FIG. 5 is a schematic view of a first baffle structure of the muffler provided in the present embodiment;
FIG. 6 is a schematic view of a second baffle structure of the muffler provided in the present embodiment;
FIG. 7 is a schematic view of a third baffle structure of the muffler provided in the present embodiment;
fig. 8 is a schematic view of the structure of the muffler cover of the muffler provided in the present embodiment.
[ reference numerals description ]
1: a silencing bin; 101: a silencing bin cover; 102: a side panel; 10201: a screw clamping groove; 10202: an adjusting screw; 103: a rear panel; 104: a bottom panel; 2: a connecting pipe; 3: a first baffle; 301: a first rigid baffle; 302: a first sound-absorbing panel; 4: a second baffle; 5: a third baffle; 501: a second rigid baffle; 502: a second sound-absorbing panel; 6: and a fourth baffle.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
Example 1
As shown in fig. 1-8: the embodiment discloses a muffler of making an uproar falls in airing exhaust, including amortization storehouse 1, connecting pipe 2, first acoustic celotex board 3, second acoustic celotex board 4, third acoustic celotex board 5, fourth acoustic celotex board 6 constitution.
The silencing bin 1 consists of a silencing bin cover 101, a side panel 102, a rear panel 103 and a bottom panel 104; the shape of the silencing bin cover 101 is an open hollow cube welding piece, the material of the silencing bin cover is aluminum alloy, the thickness of the aluminum alloy is 2mm, decorative holes are distributed on the panel of the silencing bin cover, and the distribution pattern of the decorative holes can be customized according to the requirements of customers.
The number of the side panels 102 is two, the material is aluminum alloy, and the thickness is 2mm; screw clamping grooves 10201 are respectively formed in the parts, close to the two bottom panels, of the side panels 102, and each screw clamping groove is provided with 16 adjusting screws 10202; the rear panel 103 is made of aluminum alloy, has a thickness of 2mm, and is provided with a round hole in the center, wherein the diameter of the hole is equal to the outer diameter of the connecting pipe 2; the bottom panel 104 is made of aluminum alloy and has a thickness of 2mm.
The two side panels 102, the rear panel 103 and the two bottom panels 104 are welded to each other as an open hollow cube weld, which is referred to herein as a sound attenuation housing having an outer side profile equal to the inner side profile of the sound attenuation housing cover 101. The silencing bin cover 101 is buckled on the welding piece, the inner side wall of the silencing bin cover 101 is in clearance fit with the outer side wall of the welding piece, and the fit clearance is equal to zero; the connecting pipe 2 is made of galvanized seamless steel pipes, one end of the connecting pipe 2 is provided with pipe threads, the other end of the connecting pipe is placed in a round hole formed in the rear panel 103 of the silencing bin, and the connecting pipe 2 is welded on the rear panel 103 of the silencing bin; the first sound insulation plate 3 consists of a first hard baffle 301 and a first sound absorption plate 302, wherein the first hard baffle 301 is in a hollow rectangular shape, the outer contour dimension is equal to the inner cross section dimension of the sound attenuation bin 1, and the material is hard rubber; the first sound absorbing plate 302 is made of porous sound absorbing material, the size of the first sound absorbing plate is equal to the hollow size of the first hard baffle 301, and the porosity is 60% -80%; the first acoustic panel 302 is placed in the hollow portion of the rigid baffle 301 in a clearance fit, with a fit clearance equal to zero.
The second sound insulation plate 4 is a whole sound absorption plate, the size of the second sound insulation plate is equal to the size of the inner section of the sound attenuation bin 1, the second sound insulation plate is made of porous sound absorption materials, and the porosity is 15% -25%.
The third acoustic baffle 5 is composed of a second hard baffle 501 and a second acoustic baffle 502, the shape and size of the second acoustic baffle 502 are consistent with those of the first hard baffle 301 in the first acoustic baffle, the material is porous acoustic material, the porosity is 60% -80%, the shape and size of the hard baffle 501 are consistent with those of the first acoustic baffle 302 in the first acoustic baffle, and the second hard baffle 501 is placed in the second acoustic baffle 502.
The shape and the size of the fourth sound insulation plate 6 are equal to those of the second sound insulation plate 4, and the material is porous sound absorption material; the porosity is 15% -25%.
The spacing between the first sound insulation plate 3, the second sound insulation plate 4, the third sound insulation plate 5 and the fourth sound insulation plate 6 is adjustable; opening the silencing bin cover 101; the side surface of the first acoustic board 302 is coated with glue, the side surface of the first acoustic board is clamped in the hollow part of the hard baffle 301 to form a first acoustic board 3, the first acoustic board 3 is placed in a silencing bin, an adjusting screw 10202 is screwed into the side wall of the first acoustic board 3 through a screw clamping groove 10201, and the adjusting screw is screwed after the position of the first acoustic board 3 is adjusted.
The second acoustic baffle 4, the third acoustic baffle 5 and the fourth acoustic baffle 6 are respectively fixed inside the sound attenuation bin 1 in sequence by using the same method, and then the sound attenuation bin cover 101 is buckled on the sound attenuation bin box.
The silencer is arranged on the decorative layer, and the connecting pipe 2 is connected with the exhaust pipeline through threads until the silencer is out of doors;
when the indoor exhaust is carried out, wind enters the sound attenuation bin through the panel holes of the sound attenuation bin cover 101, passes through the fourth sound attenuation plate, the third sound attenuation plate, the second sound attenuation plate and the first sound attenuation plate in sequence, and is discharged through the connecting pipe 2, when the wind reaches the connecting pipe 2, friction is generated between the wind and the pipe wall, noise is generated, the noise is scattered in all directions, a part of the noise is absorbed by the pipe wall, the noise along the reverse direction of the wind flow reenters the sound attenuation bin 1, firstly, when the wind passes through the first sound attenuation plate 3, the hard baffle 301 reflects part of sound waves, and part of the sound waves pass through the sound attenuation plate 302, due to the unique hole design of the sound absorption material, the sound waves rub with the hole walls in the dense holes, the sound energy is converted into heat energy, so that the noise is reduced, the rest of the noise is discharged through the first sound attenuation plate 3, and continuously moves along the reverse direction of the wind flow, then, part of the sound energy is continuously consumed after the wind passes through the second sound attenuation plate 4, the sound wave continuously moves to the third sound attenuation plate 5, and most of the sound waves repeatedly pass through the first sound attenuation plate 5, the sound attenuation plate 5 repeatedly passes through the third sound attenuation plate 5, the sound attenuation plate 5 repeatedly and the sound attenuation plate 5 repeatedly passes through the third sound attenuation plate 6, and the rest of the sound energy is continuously consumed by the sound attenuation plate 6 after the sound attenuation plate is continuously consumed by the sound attenuation plate. Thereby realizing the weakening of the exhaust noise of the pipeline.
Example two
As shown in fig. 1-8: the embodiment discloses a muffler of making an uproar falls in airing exhaust includes: the sound attenuation bin 1, the first sound insulation plate 3, the second sound insulation plate 4, the third sound insulation plate 5 and the fourth sound insulation plate 6.
The first sound insulation plate 3, the second sound insulation plate 4, the third sound insulation plate 5 and the fourth sound insulation plate 6 are sequentially arranged in the silencing bin 1 to form a multi-layer silencing structure; wherein, amortization storehouse 1 includes: the silencing bin cover 101, two side panels 102, a rear panel 103 and two bottom panels 104; the two side panels 102 and the two bottom panels 104 are enclosed and fixed to form the upper, lower, left and right bin surfaces of the silencing bin 1.
The silencing bin cover 101 is arranged on the air inlet surface of the silencing bin 1 to form a front bin surface; the rear panel 104 is disposed on the exhaust surface of the sound deadening cabin 1 to form a rear cabin surface.
In this embodiment, the silencing bin cover 101 is an open hollow cube welding member, the material of the welding member is aluminum alloy, the thickness of the aluminum alloy is 2mm, and decorative holes are distributed on the panel of the welding member for air intake.
In this embodiment, the side panel 102 is made of aluminum alloy and has a thickness of 2mm; screw clamping grooves 10201 are respectively formed in the parts, close to the two bottom plates 104, of the side plates 102, and the screw clamping grooves 10201 are provided with a plurality of adjusting screws 10202; the rear panel 103 is made of aluminum alloy, has a thickness of 2mm and is provided with a round hole at the center; the bottom panel 104 is made of aluminum alloy and has a thickness of 2mm.
The two side panels 102, the rear panel 103 and the two bottom panels 104 are welded to each other to form an open hollow cube welding member in this embodiment; the welding piece is a silencing bin box; the outline size of the outer side surface of the silencing bin box is equal to that of the inner side surface of the silencing bin cover 101.
The silencing bin cover 101 is buckled at the opening of the silencing bin box; the inner side wall of the silencing bin cover 101 is in clearance fit with the outer side wall of the silencing bin box, and the fit clearance is equal to zero.
The muffler provided in the present embodiment further includes: a connecting pipe 2; the connecting pipe 2 is made of galvanized seamless steel pipes; one end of the connecting pipe 2 is provided with pipe threads, and the other end of the connecting pipe is placed in a round hole formed in the rear panel 103 of the silencing bin 1, and the connecting pipe 2 is welded on the rear panel 103 of the silencing bin; the diameter of the round hole is equal to the outer diameter of the connecting pipe 2.
The first sound insulation board 3 in this embodiment is composed of a first hard baffle 301 and a first sound absorption board 302; the first hard baffle 301 is hollow rectangular, the outer contour dimension is equal to the inner cross section dimension of the silencing bin 1, and the material is hard rubber; the material of the first sound absorbing plate 302 is a porous sound absorbing material, the size of the porous sound absorbing material is equal to the hollow size of the first hard baffle 301, and the porosity is 60% -80%; the first sound absorbing plate 302 is placed in the hollow portion of the first hard baffle 301, and the matching relationship is that the first sound absorbing plate is in clearance fit, and the matching clearance is equal to zero.
In this embodiment, the second sound-insulating board 4 is a monolithic sound-absorbing board, the size of which is equal to the size of the inner section of the sound-deadening cabin 1, the material is porous sound-absorbing material, and the porosity is 15% -25%.
The third acoustic panel 5 in this embodiment is composed of a second hard baffle 501 and a second acoustic panel 502; the shape and size of the second sound-absorbing plate 502 are consistent with those of the first hard baffle 301 in the first sound-insulating plate 3, the material is porous sound-absorbing material, and the porosity is 60% -80%; the shape and the size of the second hard baffle 501 are consistent with those of the first sound absorbing plate 302 in the first sound insulating plate 3; the second hard baffle 501 is placed in the hollow portion of the second sound absorbing board 502, and the matching relationship is that the second hard baffle is in clearance fit, and the matching clearance is equal to zero.
In this embodiment, the fourth acoustic panel 6 is shaped and sized identically to the second acoustic panel 4, and is made of a porous acoustic material with a porosity of 15% -25%.
The spacing among the first acoustic baffle plate 3, the second acoustic baffle plate 4, the third acoustic baffle plate 5 and the fourth acoustic baffle plate 6 in the present embodiment is adjustable; the installation inclination angles of the first sound insulation plate 3, the second sound insulation plate 4, the third sound insulation plate 5 and the fourth sound insulation plate 6 are all adjustable.
The technical principles of the present utility model have been described above in connection with specific embodiments, which are provided for the purpose of explaining the principles of the present utility model and are not to be construed as limiting the scope of the present utility model in any way. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
1. An exhaust noise reduction muffler, comprising: the sound insulation device comprises a sound insulation bin, a first sound insulation plate, a second sound insulation plate, a third sound insulation plate and a fourth sound insulation plate;
the first sound insulation plate, the second sound insulation plate, the third sound insulation plate and the fourth sound insulation plate are sequentially arranged in the silencing bin and are used for forming a multi-layer silencing structure;
wherein, amortization storehouse includes: the silencing bin cover, two side panels, a rear panel and two bottom panels;
the two side panels and the two bottom panels are enclosed and fixed to form upper, lower, left and right bin surfaces of the silencing bin;
the silencing bin cover is arranged on the air inlet surface of the silencing bin and used for forming a front bin surface;
the rear panel is arranged on the exhaust surface of the silencing bin and is used for forming a rear bin surface.
2. The silencer of claim 1, wherein the muffler is a muffler having a muffler body,
the silencing bin cover is in the shape of an open hollow cube welding piece, the silencing bin cover is made of aluminum alloy, the thickness of the aluminum alloy is 2mm, and decorative holes are distributed on a panel of the silencing bin cover and used for air intake.
3. The silencer of claim 2, wherein the muffler is a muffler having a muffler body,
the side panel is made of aluminum alloy, and the thickness of the side panel is 2mm;
screw clamping grooves are respectively formed in the parts, close to the two bottom panels, of the side panels, and are provided with a plurality of adjusting screws;
the rear panel is made of aluminum alloy, has the thickness of 2mm and is provided with a round hole at the center;
the bottom panel is made of aluminum alloy and has a thickness of 2mm.
4. The silencer of claim 3, wherein the muffler is a muffler having a muffler body,
the two side panels, the rear panel and the two bottom panels are mutually welded to form an open hollow cube welding piece;
the welding piece is a silencing bin box;
the outline size of the outer side surface of the silencing bin box is equal to that of the inner side surface of the silencing bin cover;
the silencing bin cover is buckled at the opening of the silencing bin box;
the inside wall of amortization bin cover with the lateral wall of amortization bin box is clearance fit, and the fit clearance equals zero.
5. The silencer of claim 3, wherein the muffler is a muffler having a muffler body,
further comprises: a connecting pipe;
the connecting pipe is made of galvanized seamless steel pipes;
one end of the connecting pipe is provided with pipe threads, and the other end of the connecting pipe is placed in a round hole formed in the rear panel of the silencing bin and is welded on the rear panel of the silencing bin;
the diameter of the round hole is equal to the outer diameter of the connecting pipe.
6. The silencer of claim 4, wherein the muffler includes a muffler cover,
the first sound insulation plate consists of a first hard baffle and a first sound absorption plate;
the first hard baffle is hollow rectangular, the outer contour size of the first hard baffle is equal to the inner cross section size of the silencing bin, and the first hard baffle is made of hard rubber;
the first sound absorbing plate is made of porous sound absorbing materials, the size of the first sound absorbing plate is equal to the hollow size of the first hard baffle, and the porosity is 60% -80%;
the first sound absorbing plate is placed at the hollow part of the first hard baffle, the matching relationship is clearance fit, and the matching clearance is equal to zero.
7. The silencer of claim 6, wherein the muffler includes a muffler housing,
the second sound-insulating plate is a whole sound-absorbing plate, the size of the second sound-insulating plate is equal to the size of the inner section of the sound-absorbing bin, the second sound-insulating plate is made of porous sound-absorbing materials, and the porosity is 15% -25%.
8. The silencer of claim 7, wherein the muffler includes a muffler housing,
the third sound insulation plate consists of a second hard baffle and a second sound absorption plate;
the shape and the size of the second sound-absorbing plate are consistent with those of the first hard baffle plate in the first sound-insulating plate, the second sound-absorbing plate is made of porous sound-absorbing materials, and the porosity is 60% -80%;
the shape and the size of the second hard baffle are consistent with those of the first sound-absorbing plate in the first sound-absorbing plate;
the second hard baffle is placed at the hollow part of the second sound absorbing plate, the matching relationship is clearance fit, and the matching clearance is equal to zero.
9. The silencer of claim 8, wherein the muffler includes a muffler housing,
the shape and the size of the fourth sound insulation plate are equal to those of the second sound insulation plate, the material is porous sound absorption material, and the porosity is 15% -25%.
10. The silencer of claim 9, wherein the muffler is a muffler having a muffler body,
the spacing between the first acoustic baffle, the second acoustic baffle, the third acoustic baffle and the fourth acoustic baffle is adjustable;
the mounting inclinations of the first acoustic panel, the second acoustic panel, the third acoustic panel and the fourth acoustic panel are all adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623036.XU CN219510996U (en) | 2023-03-27 | 2023-03-27 | Muffler of making an uproar falls in exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320623036.XU CN219510996U (en) | 2023-03-27 | 2023-03-27 | Muffler of making an uproar falls in exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219510996U true CN219510996U (en) | 2023-08-11 |
Family
ID=87530164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320623036.XU Active CN219510996U (en) | 2023-03-27 | 2023-03-27 | Muffler of making an uproar falls in exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219510996U (en) |
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2023
- 2023-03-27 CN CN202320623036.XU patent/CN219510996U/en active Active
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