CN215211636U - Noise control is with compound sound insulation board of inhaling - Google Patents
Noise control is with compound sound insulation board of inhaling Download PDFInfo
- Publication number
- CN215211636U CN215211636U CN202120050623.5U CN202120050623U CN215211636U CN 215211636 U CN215211636 U CN 215211636U CN 202120050623 U CN202120050623 U CN 202120050623U CN 215211636 U CN215211636 U CN 215211636U
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- China
- Prior art keywords
- sound
- layer
- board body
- acoustic celotex
- insulation board
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- 238000009413 insulation Methods 0.000 title claims abstract description 43
- 150000001875 compounds Chemical class 0.000 title claims abstract description 18
- 238000013016 damping Methods 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005246 galvanizing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a noise control is with compound sound insulation board of inhaling, including acoustic celotex board body, connecting rod, damping layer and resonant cavity, install the support frame on the acoustic celotex board body, the fixing base is installed to the support frame bottom, this internal steel sheet of installing of acoustic celotex board, the felt cloth layer is installed to one side of steel sheet, damping layer is installed to one side on felt cloth layer, one side on damping layer is equipped with the resonant cavity, the rubber layer is installed to one side of resonant cavity, one side on rubber layer is installed and is inhaled the sound cotton. The utility model discloses a set up the damping layer in one side on felt cloth layer, the structural performance on felt cloth layer is stable, and the felt tissue is inseparable, and the space is little for thereby spread in the unable space of noise, carry out certain separation to the sound that spreads into in the external world, felt cloth is rich in elasticity simultaneously, prevents the secondary sound source production that structural resonance causes when blocking the noise propagation, has effectively improved the noise reduction effect of compound sound insulation board of inhaling.
Description
Technical Field
The utility model relates to a sound insulation board technical field specifically is a noise control is with compound sound insulation board of inhaling.
Background
The acoustic celotex board is a plate that acts on syllable-dividing effect, the acoustic celotex board can not the separation by the sound of all frequencies, the object all has natural resonant frequency, be close object resonant frequency's sound, the syllable-dividing effect of acoustic celotex board is showing and is reducing, the acoustic celotex board has the difference of air sound and vibration sound, the air sound acoustic celotex board, what be the separation promptly is the panel of the sound of propagating in the air, the panel and the system that the vibration sound acoustic celotex board is the sound of propagating in the rigid member that is the separation promptly, need a noise to administer with compound sound absorption acoustic celotex board now, but current compound sound absorption acoustic celotex board exists many problems or defect:
1. in actual use, the traditional composite sound absorption and insulation plate for noise control is inconvenient for vibration reduction, so that a secondary sound source is generated;
2. the traditional composite sound absorption and insulation board for noise control is inconvenient to treat reverberation in actual use.
Disclosure of Invention
An object of the utility model is to provide a noise control is with compound sound insulation board of inhaling to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a noise control is with compound sound insulation board of inhaling, includes acoustic celotex board body, connecting rod, damping layer and resonant cavity, install the support frame on the acoustic celotex board body, the fixing base is installed to the support frame bottom, the installed part is installed to the bottom of fixing base, fixed frame is installed in the outside of acoustic celotex board body, connect through the connecting rod between the acoustic celotex board body, the connecting piece is installed to the one end of connecting rod, install the bolt through mounting hole two on the connecting piece, this internal steel sheet of installing of acoustic celotex board, the felt cloth layer is installed to one side of steel sheet, the damping layer is installed on one side on the felt cloth layer, one side on damping layer is equipped with the resonant cavity, the rubber layer is installed to one side on rubber layer, the sound cotton of inhaling is installed to one side on rubber layer.
Preferably, the support frame is provided with a fixing nut, and the outer side of the sound insulation board body is provided with a fixing frame.
Preferably, a transverse supporting rod is installed at the top of the fixed seat.
Preferably, the fixing piece is installed at the other end of the connecting piece, and a first installation hole corresponding to the bolt is installed on the sound insulation board body.
Preferably, the bottom of the sound insulation board body is provided with a cushion block.
Preferably, an anti-corrosion zinc coating is arranged on the steel plate, and a PE film is arranged on the anti-corrosion zinc coating.
Compared with the prior art, the beneficial effects of the utility model are that: this noise control is with compound sound insulation board structure is reasonable, has following advantage:
(1) the damping layer is arranged on one side of the felt cloth layer, so that the felt cloth layer is stable in structural performance, tight in felt tissue and small in gap, noise cannot be transmitted out of the gap, certain blocking is performed on sound transmitted from the outside, meanwhile, the felt cloth is elastic, secondary sound sources caused by structural resonance are prevented from being generated while noise transmission is blocked, and the noise reduction effect of the composite sound absorption and insulation plate is effectively improved;
(2) the rubber layer is arranged on one side of the damping layer, the sound-absorbing cotton is arranged on one side of the rubber layer, so that the resonant cavity is wrapped by the sound-absorbing structure and the sound-insulating structure, the effective sound-absorbing area of the sound-absorbing structure can be increased by designing the width of the resonant cavity, the noise reverberation is avoided, the sound-absorbing cotton absorbs the noise passing through the resonant cavity, the sound-absorbing and sound-insulating effects are achieved, the rubber layer has certain fire resistance, and the fire resistance of the composite sound-absorbing and sound-insulating plate is effectively improved;
(3) through installing anticorrosive galvanizing coat on the steel sheet to can reduce external corruption to the acoustic celotex board, it is long when having improved the use of compound sound insulation board of inhaling, install the fixing base in the support frame bottom, inhale the sound insulation board with compound through the fixing base and fix, make compound sound insulation board and external fixed connection of inhaling. The stability of the composite sound absorption and insulation board is effectively improved.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the sound insulation board body of the present invention;
FIG. 3 is a schematic structural view of the damping layer assembly of the present invention;
fig. 4 is a schematic structural view of the connecting rod assembly of the present invention.
In the figure: 1. a baffle body; 101. a first mounting hole; 102. a fixing frame; 2. a support frame; 201. fixing a nut; 3. a connecting rod; 301. a connecting member; 302. a second mounting hole; 303. a fixing member; 304. a bolt; 4. a fixed seat; 401. a transverse stay bar; 402. a mounting member; 403. cushion blocks; 5. a steel plate; 501. an anti-corrosion zinc coating; 502. a PE film; 6. a felt cloth layer; 7. a damping layer; 8. a resonant cavity; 9. sound-absorbing cotton; 10. a rubber layer.
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. 1-4, the present invention provides an embodiment: a composite sound absorption and insulation board for noise control comprises a sound insulation board body 1, a connecting rod 3, a damping layer 7 and a resonant cavity 8, wherein a supporting frame 2 is installed on the sound insulation board body 1, an installation part 402 is installed at the bottom of a fixed seat 4, a fixed frame 102 is installed on the outer side of the sound insulation board body 1, the sound insulation board bodies 1 are connected through the connecting rod 3, a connecting piece 301 is installed at one end of the connecting rod 3, a bolt 304 is installed on the connecting piece 301 through a second installation hole 302, a steel plate 5 is installed in the sound insulation board body 1, a felt cloth layer 6 is installed on one side of the steel plate 5, the damping layer 7 is installed on one side of the felt cloth layer 6, a fixing nut 201 is installed on the supporting frame 2, the fixed frame 102 is installed on the outer side of the sound insulation board body 1, and a cushion block 403 is installed at the bottom of the sound insulation board body 1;
specifically, the damping layer 7 is arranged on one side of the felt cloth layer 6, the structural performance of the felt cloth layer 6 is stable, the felt tissue is compact, the gap is small, noise cannot be transmitted out of the gap, certain blocking is performed on sound transmitted from the outside, meanwhile, the felt cloth is rich in elasticity, secondary sound sources caused by structural resonance are prevented from being generated while noise transmission is blocked, and the noise reduction effect of the composite sound absorption and insulation plate is effectively improved;
one side of the damping layer 7 is provided with a resonant cavity 8, one side of the resonant cavity 8 is provided with a rubber layer 10, and one side of the rubber layer 10 is provided with sound-absorbing cotton 9;
specifically, a resonant cavity 8 is arranged on one side of the damping layer 7, a rubber layer 10 is arranged on one side of the resonant cavity 8, and sound-absorbing cotton 9 is arranged on one side of the rubber layer 10, so that the resonant cavity 8 is wrapped by the sound-absorbing structure and the sound-insulating structure, the effective sound-absorbing area of the sound-absorbing structure can be increased by designing the width of the resonant cavity 8, noise reverberation is avoided, noise passing through the resonant cavity 8 is absorbed by the sound-absorbing cotton 9, and therefore the sound-absorbing and sound-insulating effects are achieved, the rubber layer 10 has certain fire resistance, and the fire resistance of the composite sound-absorbing and sound-insulating plate is effectively improved;
the bottom of the support frame 2 is provided with a fixed seat 4, the top of the fixed seat 4 is provided with a transverse supporting rod 401, the other end of the connecting piece 301 is provided with a fixed piece 303, the sound insulation board body 1 is provided with a first mounting hole 101 corresponding to the bolt 304, the steel plate 5 is provided with an anti-corrosion zinc coating 501, and the anti-corrosion zinc coating 501 is provided with a PE film 502;
specifically, through installing anticorrosive galvanizing coat 501 on steel sheet 5 to can reduce the external corruption to the acoustic celotex board, it is long when having improved the use of compound sound insulation board of inhaling, install fixing base 4 in 2 bottoms of support frame, inhale the sound insulation board with compounding through fixing base 4 and fix, make compound sound insulation board and external fixed connection of inhaling. The stability of the composite sound absorption and insulation board is effectively improved.
The working principle is as follows: when the composite sound absorption and insulation board is used, firstly, the damping layer 7 is arranged on one side of the felt cloth layer 6, the structural performance of the felt cloth layer 6 is stable, the felt tissue is tight, the gap is small, noise cannot be transmitted out of the gap, certain blocking is carried out on sound transmitted from the outside, meanwhile, the felt cloth is rich in elasticity, secondary sound sources caused by structural resonance are prevented from being generated while the noise transmission is blocked, and the noise reduction effect of the composite sound absorption and insulation board is effectively improved;
secondly, a resonant cavity 8 is arranged on one side of the damping layer 7, a rubber layer 10 is arranged on one side of the resonant cavity 8, and sound-absorbing cotton 9 is arranged on one side of the rubber layer 10, so that the resonant cavity 8 is wrapped by the sound-absorbing structure and the sound-insulating structure, the effective sound-absorbing area of the sound-absorbing structure can be increased by designing the width of the resonant cavity 8, noise reverberation is avoided, the sound-absorbing cotton 9 absorbs noise passing through the resonant cavity 8, and therefore the sound-absorbing and sound-insulating effects are achieved, the rubber layer 10 has certain fire resistance, and the fire resistance of the composite sound-absorbing and sound-insulating plate is effectively improved;
finally, through installing anticorrosive galvanizing coat 501 on steel sheet 5 to can reduce the external corruption to the acoustic celotex board, it is long when having improved the use of compound sound insulation board of inhaling, install fixing base 4 in support frame 2 bottom, inhale the sound insulation board with compounding through fixing base 4 and fix, make compound sound insulation board and external fixed connection of inhaling. The stability of the composite sound absorption and insulation board is effectively improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a noise control is with compound sound absorption sound insulation board, includes acoustic celotex board body (1), connecting rod (3), damping layer (7) and resonant cavity (8), its characterized in that: install support frame (2) on acoustic celotex board body (1), fixing base (4) are installed to support frame (2) bottom, installed part (402) are installed to the bottom of fixing base (4), fixed frame (102) are installed to the outside of acoustic celotex board body (1), connect through connecting rod (3) between the acoustic celotex board body (1), connecting piece (301) are installed to the one end of connecting rod (3), install bolt (304) through mounting hole two (302) on connecting piece (301), install steel sheet (5) in acoustic celotex board body (1), felt cloth layer (6) are installed to one side of steel sheet (5), damping layer (7) are installed to one side of felt cloth layer (6), one side of damping layer (7) is equipped with resonant cavity (8), rubber layer (10) are installed to one side of resonant cavity (8), one side of the rubber layer (10) is provided with sound absorption cotton (9).
2. The composite sound-absorbing and sound-insulating panel for noise control according to claim 1, characterized in that: install fixation nut (201) on support frame (2), fixed frame (102) are installed in the outside of acoustic celotex board body (1).
3. The composite sound-absorbing and sound-insulating panel for noise control according to claim 1, characterized in that: and a transverse supporting rod (401) is arranged at the top of the fixed seat (4).
4. The composite sound-absorbing and sound-insulating panel for noise control according to claim 1, characterized in that: the other end of the connecting piece (301) is provided with a fixing piece (303), and the sound insulation board body (1) is provided with a first mounting hole (101) corresponding to the bolt (304).
5. The composite sound-absorbing and sound-insulating panel for noise control according to claim 1, characterized in that: cushion blocks (403) are installed at the bottom of the sound insulation board body (1).
6. The composite sound-absorbing and sound-insulating panel for noise control according to claim 1, characterized in that: an anti-corrosion zinc coating (501) is arranged on the steel plate (5), and a PE film (502) is arranged on the anti-corrosion zinc coating (501).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120050623.5U CN215211636U (en) | 2021-01-10 | 2021-01-10 | Noise control is with compound sound insulation board of inhaling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120050623.5U CN215211636U (en) | 2021-01-10 | 2021-01-10 | Noise control is with compound sound insulation board of inhaling |
Publications (1)
Publication Number | Publication Date |
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CN215211636U true CN215211636U (en) | 2021-12-17 |
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ID=79437121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120050623.5U Expired - Fee Related CN215211636U (en) | 2021-01-10 | 2021-01-10 | Noise control is with compound sound insulation board of inhaling |
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Country | Link |
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CN (1) | CN215211636U (en) |
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2021
- 2021-01-10 CN CN202120050623.5U patent/CN215211636U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |
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CF01 | Termination of patent right due to non-payment of annual fee |