CN213144894U - Ventilation silencer convenient to change noise elimination component - Google Patents
Ventilation silencer convenient to change noise elimination component Download PDFInfo
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- CN213144894U CN213144894U CN202021925584.0U CN202021925584U CN213144894U CN 213144894 U CN213144894 U CN 213144894U CN 202021925584 U CN202021925584 U CN 202021925584U CN 213144894 U CN213144894 U CN 213144894U
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- pipeline
- noise elimination
- silencing
- plates
- frame
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Abstract
The utility model provides a ventilation silencer convenient to change noise elimination component, includes the pipeline, one side of pipeline is provided with the shrouding, inside first fixed frame, filter assembly and the first noise elimination subassembly of a plurality of that is provided with of pipeline, first noise elimination subassembly sets up between adjacent first fixed frame, the one end of pipeline is provided with tripe formula noise elimination subassembly, tripe formula noise elimination subassembly includes the fixed frame of second and a plurality of noise elimination unit sets up in the fixed frame of second, and the shrouding can let the people can directly dismantle the inside device of pipeline, and need not pull down whole pipeline, and filter assembly can filter dust and toxic gas for dust and toxic gas in the air through the pipeline reduce greatly, and tripe formula noise elimination subassembly can further noise reduction.
Description
Technical Field
The utility model relates to a noise elimination equipment technical field specifically is a ventilation silencer convenient to change noise elimination component.
Background
The ventilation silencer is a noise reduction device installed on an air flow channel of air equipment (such as a blower and an air compressor) or in an air inlet and exhaust system, a fan is general mechanical equipment and has a wide application range, the fan cannot be separated in the production of various industries such as electric power, mine, machinery, metallurgy, chemical engineering and the like, noise generated by the fan in operation often becomes a disaster source influencing the health of workers and interfering the environment, the industrial fan belongs to continuously operating equipment, the noise standard specified by the international organization for standardization (ISO) on the equipment is less than or equal to 90 decibels, the new standard of China is the same as the standard, and the standard of the continuous noise of industrial enterprises is up to the standard, but under the condition of not adopting noise reduction measures, the noise emitted from an air inlet and an air outlet of the fan to the environment can reach 110-120 decibels and greatly exceeds the standard requirement of the standard.
Fan continuous operation in the industrial production, so the large-scale silencer operating time who is equipped with is long, inside noise elimination component damages easily, make silencer noise cancelling effect unsatisfactory, ordinary ventilation silencer installs on air pipe, it is unsatisfactory when noise cancelling effect, when needing to be changed, need be with whole change, waste time and energy, it is very inconvenient, and can contain toxic gas or dust in the air of fan, the dust can pollute delivery room environment, toxic gas can air pollution, cause ventilation silencer ambient air quality poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilation silencer convenient to change noise elimination component to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a ventilation silencer convenient for replacing a silencing element comprises a pipeline, wherein a sealing plate is arranged on one side of the pipeline, a plurality of first fixing frames, a filtering assembly and a first silencing assembly are arranged inside the pipeline, the first silencing assembly is arranged at one end of the pipeline and comprises a plurality of side silencing plates and silencing pieces, the frames of the first fixing frames are detachably connected, the first fixing frames are detachably connected with the pipeline, the side silencing plates are arranged between the adjacent first fixing frames, the silencing pieces are arranged in the middle of the first fixing frames, the filtering assembly is arranged at one end, away from the silencing pieces, of the pipeline and comprises a plurality of layers of filtering layers and four limiting plates, the limiting plates are fixedly connected with the inner wall of the pipeline, the filtering layers are arranged between the limiting plates, and the limiting plates are connected with the pipeline through screws, the utility model discloses a pipeline, including the fixed frame of second, the frame of second is fixed with the shutter noise elimination subassembly, the shutter noise elimination subassembly includes the fixed frame of second and a plurality of noise elimination unit, the fixed frame setting of second is close to the one end of noise elimination piece at the pipeline, the noise elimination unit includes skeleton, a plurality of first orifice plate and flat board, the skeleton sets up to falling the V-arrangement, the flat board sets up in the opposite one side of skeleton surface and the port of pipeline, the opposite side of skeleton surface or the both sides of internal surface all are provided with first orifice plate, the noise elimination unit sets up in.
As a further aspect of the present invention: the inner side of the first fixing frame is provided with a plurality of fixing grooves, and the silencing pieces are arranged in the fixing grooves.
As a further aspect of the present invention: the two opposite side surfaces of the silencing piece are provided with second pore plates, two guide plates are arranged at two ends of the silencing piece, the two guide plates are obliquely arranged from the middle to two sides, and a sound absorption layer is arranged inside the silencing piece.
As a further aspect of the present invention: the side sound-absorbing plate is connected with the side wall of the pipeline through screws.
As a further aspect of the present invention: and flanges are arranged on two sides of the pipeline.
As a further aspect of the present invention: the silencing unit is connected with the second fixing frame through a screw.
As a further aspect of the present invention: the frame of the second fixing frame is detachably connected.
As a further aspect of the present invention: the limiting plate is provided with a plurality of limiting grooves, and the filter layer is arranged in the limiting grooves.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses in, the shrouding just can be changed the inside part of pipeline after pulling down, because all be through the screw connection between each part of pipeline inside, so it is very convenient to dismantle, only need to take off the shrouding, then screw that will each part be connected is twisted off, just can change the inside part of pipeline, first fixed frame, the fixed frame of second and limiting plate can carry out the reinforcement of certain degree to the pipeline, certain noise can be eliminated to noise damping piece and side abatvoix, tripe formula amortization subassembly amortization once more, make the noise cancelling effect better, filter assembly can filter the dust in the air, the filter layer of different effects can be changed into to the filter layer, for example can filter formaldehyde's formaldehyde filter screen, make the harmful gas in the air of discharging significantly reduce.
Drawings
Fig. 1 is a schematic structural view of a ventilation muffler convenient for replacing a muffler element according to the present invention;
fig. 2 is a schematic top sectional view of the present invention;
FIG. 3 is a schematic side view of the silencing unit of the present invention;
fig. 4 is a schematic side view of the muffling sheet of the present invention;
fig. 5 is a schematic structural view of a limiting plate of the present invention;
fig. 6 is a schematic structural view of the first fixing frame of the present invention.
In the figure: 1. a pipeline; 2. closing the plate; 3. a first fixed frame; 4. a side acoustic panel; 5. a sound-deadening sheet; 6. a filter layer; 7. a limiting plate; 8. a second fixed frame; 9. a sound attenuation unit; 10. a framework; 11. a first orifice plate; 12. a flat plate; 13. fixing grooves; 14. a second orifice plate; 15. a baffle; 16. a flange plate; 17. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, in the embodiment of the present invention:
a ventilation silencer convenient for replacing a silencing element comprises a pipeline 1, wherein a sealing plate 2 is arranged on one side of the pipeline 1, a plurality of first fixed frames 3, a filtering assembly and a first silencing assembly are arranged inside the pipeline 1, the first silencing assembly is arranged at one end of the pipeline 1 and comprises a plurality of side sound-absorbing plates 4 and silencing pieces 5, the frame of each first fixed frame 3 is detachably connected, the first fixed frames 3 and the pipeline 1 are detachably connected, the side sound-absorbing plates 4 are arranged between the adjacent first fixed frames 3, the silencing pieces 5 are arranged between the first fixed frames 3, the filtering assembly is arranged at one end, far away from the silencing pieces 5, of the pipeline 1 and comprises a plurality of layers of filtering layers 6 and four limiting plates 7, the limiting plates 7 are fixedly connected with the inner wall of the pipeline 1, the filtering layers 6 are arranged between the limiting plates 7, limiting plate 7 passes through the screw and is connected with pipeline 1, the one end of pipeline 1 is provided with tripe formula noise elimination subassembly, tripe formula noise elimination subassembly includes the fixed frame 8 of second and a plurality of noise elimination unit 9, the fixed frame 8 setting of second is close to the one end of noise elimination piece 5 at pipeline 1, noise elimination unit 9 includes skeleton 10, a plurality of first orifice plate 11 and flat board 12, skeleton 10 sets up to falling the V-arrangement, flat board 12 sets up in the 10 outer surfaces of skeleton one side relative with the port of pipeline 1, the opposite side of the 10 surface of skeleton or the both sides of internal surface all are provided with first orifice plate 11, noise elimination unit 9 sets up in the middle of the fixed frame 8 of second.
In the embodiment of the present invention: the inner side of the first fixing frame 3 is provided with a plurality of fixing grooves 13, and the silencing plates 5 are arranged in the fixing grooves 13. The fixing groove 13 may make the installation of the muffling sheet 5 more accurate so that the muffling sheet 5 is fixed inside the pipe 1 even without screws.
In the embodiment of the present invention: two opposite side surfaces of the silencing piece 5 are provided with second pore plates 14, two guide plates 15 are arranged at two ends of the silencing piece 5, the two guide plates 15 are obliquely arranged from the middle to two sides, and a sound absorption layer is arranged inside the silencing piece 5. The air guide plate 15 can reduce air resistance, so that the ventilation inside the pipeline 1 is smoother, and the second pore plate 14 and the sound absorption layer can reduce noise.
In the embodiment of the present invention: the side sound-absorbing plates 4 are connected with the side wall of the pipeline 1 through screws. The screw connection is comparatively firm, convenient dismantlement moreover.
In the embodiment of the present invention: and flanges 16 are arranged on two sides of the pipeline 1. The flange 16 can fix the pipeline 1 and has good fixing effect.
In the embodiment of the present invention: the sound attenuation unit 9 is connected with the second fixing frame 8 through screws. The screw connection facilitates the replacement of the muffler unit 9 and is very firm.
In the embodiment of the present invention: the frame of the second fixed frame 8 is arranged to be detachably connected. The noise elimination unit 9 is convenient to install and replace, and when the noise elimination unit 9 is replaced, the noise elimination unit 9 can be replaced only by detaching the frame of the second fixing frame 8 on one side.
In the embodiment of the present invention: the limiting plate 7 is provided with a plurality of limiting grooves 17, and the filter layer 6 is arranged in the limiting grooves 17. The limiting groove 17 serves to fix the filter layer 6 and makes it easier to replace the filter layer 6.
The utility model discloses a theory of operation is: when in use, the pipeline 1 is arranged at a proper position by using the flange plate 16, then three edges of the second fixing frame 8 are arranged at a proper end of the pipeline 1 by using screws, then the silencing unit 9 is arranged at the middle of the second fixing frame 8 by using screws, then three edges of the first fixing frame 3 are arranged at proper positions on the inner wall of the pipeline 1, then the side silencing plate 4 is arranged between the adjacent first fixing frames 3 and is connected with the inner wall of the pipeline 1 by using screws, then the limiting plate 7 is arranged at the rest position of the pipeline 1, the filter layer 6 is inserted into the limiting groove 17, after the filter layer 6 is arranged, the silencing sheet 5 is arranged in the fixing groove 13 of the first fixing frame 3, the second fixing frame 8 and the limiting plate 7 are arranged at the corresponding positions of the sealing plate 2, then the sealing plate 2 is arranged on the pipeline 1, the silencing sheet 5 is fixed by using the fixing groove 13, then, the silencing unit 9, the side sound-absorbing plate 4 and the silencing sheet 5 can eliminate partial noise to make the noise at an acceptable level, the filter layer 6 can filter dust in the air to prevent the dust from being sucked by a fan, or the filter layer can be replaced by a material for filtering formaldehyde or other harmful substances to filter and exhaust clean air to prevent pollutants from polluting the air, when the filter layer 6, the silencing sheet 5, the side sound-absorbing plate 4 or the silencing unit 9 needs to be replaced, the sealing plate 2 can be detached first, the limiting plate 7 connected with the sealing plate 2, one edge of the first fixing frame 3 and one edge of the second fixing frame 8 can be detached together, the filter layer 6 and the silencing sheet 5 can be directly taken out, the side sound-absorbing plate 4 and the silencing unit 9 can be detached only by taking down the fixing screws first, and after detaching, new elements can be installed, without dismantling the entire pipe 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A ventilation muffler convenient to replace a muffling element, comprising a duct (1), characterized in that: one side of the pipeline (1) is provided with a sealing plate (2), a plurality of first fixed frames (3), a filtering assembly and a first noise elimination assembly are arranged inside the pipeline (1), the first noise elimination assembly is arranged at one end of the pipeline (1), the first noise elimination assembly comprises a plurality of side sound absorption plates (4) and noise elimination sheets (5), the frame of the first fixed frames (3) can be detachably connected, the first fixed frames (3) and the pipeline (1) can be detachably connected, the side sound absorption plates (4) are arranged between the adjacent first fixed frames (3), the noise elimination sheets (5) are arranged in the middle of the first fixed frames (3), the filtering assembly is arranged at one end, far away from the noise elimination sheets (5), of the pipeline (1), the filtering assembly comprises a plurality of layers of filtering layers (6) and four limiting plates (7), the limiting plates (7) are fixedly connected with the inner wall of the pipeline (1), the filter layer (6) is arranged between the limiting plates (7), the limiting plates (7) are connected with the pipeline (1) through screws, one end of the pipeline (1) is provided with a louvered noise elimination assembly, the louvered noise elimination assembly comprises a second fixed frame (8) and a plurality of noise elimination units (9), the second fixing frame (8) is arranged at one end of the pipeline (1) close to the silencing sheet (5), the silencing unit (9) comprises a framework (10), a plurality of first pore plates (11) and a flat plate (12), the framework (10) is arranged in an inverted V shape, the flat plate (12) is arranged on one side of the outer surface of the framework (10) opposite to the port of the pipeline (1), the other side of skeleton (10) surface or the both sides of internal surface all are provided with first orifice plate (11), noise elimination unit (9) set up in the middle of the fixed frame of second (8).
2. A ventilation muffler for facilitating replacement of the sound attenuating element as claimed in claim 1, wherein: the inner side of the first fixing frame (3) is provided with a plurality of fixing grooves (13), and the silencing sheet (5) is arranged in the fixing grooves (13).
3. A ventilation muffler for facilitating replacement of the sound attenuating element as claimed in claim 1, wherein: two opposite side surfaces of the silencing piece (5) are provided with second pore plates (14), two guide plates (15) are arranged at two ends of the silencing piece (5), the two guide plates (15) are obliquely arranged from the middle to two sides, and a sound absorption layer is arranged inside the silencing piece (5).
4. A ventilation muffler for facilitating replacement of the sound attenuating element as claimed in claim 1, wherein: the side sound-absorbing plate (4) is connected with the side wall of the pipeline (1) through screws.
5. A ventilation muffler for facilitating replacement of the sound attenuating element as claimed in claim 1, wherein: and flanges (16) are arranged on two sides of the pipeline (1).
6. A ventilation muffler for facilitating replacement of the sound attenuating element as claimed in claim 1, wherein: the silencing unit (9) is connected with the second fixing frame (8) through screws.
7. A ventilation muffler for facilitating replacement of the sound attenuating element as claimed in claim 1, wherein: the frame of the second fixing frame (8) is detachably connected.
8. A ventilation muffler for facilitating replacement of the sound attenuating element as claimed in claim 1, wherein: the limiting plate (7) is provided with a plurality of limiting grooves (17), and the filter layer (6) is arranged in the limiting grooves (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925584.0U CN213144894U (en) | 2020-09-07 | 2020-09-07 | Ventilation silencer convenient to change noise elimination component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925584.0U CN213144894U (en) | 2020-09-07 | 2020-09-07 | Ventilation silencer convenient to change noise elimination component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213144894U true CN213144894U (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021925584.0U Active CN213144894U (en) | 2020-09-07 | 2020-09-07 | Ventilation silencer convenient to change noise elimination component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213144894U (en) |
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2020
- 2020-09-07 CN CN202021925584.0U patent/CN213144894U/en active Active
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