CN215435435U - Sound-absorbing board for automobile ceiling - Google Patents
Sound-absorbing board for automobile ceiling Download PDFInfo
- Publication number
- CN215435435U CN215435435U CN202121269308.8U CN202121269308U CN215435435U CN 215435435 U CN215435435 U CN 215435435U CN 202121269308 U CN202121269308 U CN 202121269308U CN 215435435 U CN215435435 U CN 215435435U
- Authority
- CN
- China
- Prior art keywords
- sound
- layer
- absorbing
- woven fabric
- insulating layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 47
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 239000002121 nanofiber Substances 0.000 claims abstract description 9
- 238000001179 sorption measurement Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 238000013016 damping Methods 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 2
- 238000009413 insulation Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 230000030279 gene silencing Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model discloses an acoustic board for an automobile ceiling, relates to the technical field of automobile interior trim, and mainly solves the problems that the existing acoustic board for the automobile ceiling is easy to deform and influences the noise reduction effect of the acoustic board; the device comprises a PLA micro-nano fiber membrane arranged on the outer surface, wherein a first non-woven fabric and a second non-woven fabric are symmetrically arranged on the inner side of the PLA micro-nano fiber membrane, the first non-woven fabric and the second non-woven fabric are uniformly arranged, the uniformly arranged first non-woven fabric is bonded together, a first heat insulation layer is arranged on the inner layer of the first non-woven fabric, a second heat insulation layer is arranged on the inner layer of the second non-woven fabric, a silencing layer and a filter layer are arranged between the first heat insulation layer and the second heat insulation layer, the silencing layer comprises uniformly arranged silencing balls, and an adsorption device is uniformly arranged on the sound absorption plate; the sound absorption capacity and the deformation resistance of the sound absorption plate are effectively improved through the structure.
Description
Technical Field
The utility model relates to the technical field of automotive interior trim, in particular to an acoustic board for an automobile ceiling.
Background
Along with the continuous promotion of national income level, quality of life is also improving gradually, and more private cars walk into ordinary people family, and the demand of car constantly rises, has great impetus to the development of automobile industry, has especially had higher requirement to the interior trim and the comfort level of car, wherein is a comparatively important index to inhaling the sound and fall making an uproar.
Except circumferential windshield, other positions of car adopt covering and filler to constitute the panel, for example car top, pack the abatvoix that the acoustic material constitutes in the ceiling, carry out the amortization shock attenuation, and current abatvoix is at the in-process that uses, and along with the time lapse, the abatvoix produces easily and warp the aversion, leads to the noise cancelling effect decline of abatvoix, influences and uses experience.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an acoustic panel for an automobile ceiling to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an abatvoix for car roof, is including setting up the micro-nano fibrous membrane of PLA at the surface outward, the inboard symmetry of micro-nano fibrous membrane of PLA is provided with first non-woven fabrics and second non-woven fabrics, first non-woven fabrics and the even setting of second non-woven fabrics evenly set up first non-woven fabrics bonds together, the inlayer of first non-woven fabrics is provided with first insulating layer, the inlayer of second non-woven fabrics is provided with the second insulating layer, be provided with amortization layer and filter layer between first insulating layer and the second insulating layer, the amortization layer is including the sound ball of inhaling of evenly laying, evenly be provided with adsorption equipment on the abatvoix.
As a further scheme of the utility model: the filter layer comprises an activated carbon layer arranged between the second heat insulation layer and the silencing layer, small holes are uniformly distributed in the activated carbon layer, and the activated carbon layer is laminated between the silencing layer and the second heat insulation layer.
As a still further scheme of the utility model: the noise reduction layer comprises a sound absorption ball which is uniformly arranged between the filter layer and the first heat insulation layer, a noise reduction cavity is formed in the sound absorption ball, a sound receiving hole is uniformly formed in the surface of the sound absorption ball, and the sound receiving hole is communicated with the noise reduction cavity.
As a still further scheme of the utility model: the adsorption device comprises plug holes evenly formed in the sound-absorbing plate, plug columns are connected in the plug holes, suckers are arranged at two ends of each plug column and are made of rubber, and the sound-absorbing plate is adsorbed together with the contact surface through the suckers.
As a still further scheme of the utility model: the first non-woven fabric and the second non-woven fabric are prepared by a polymer extrusion spun-bonding method, and the thickness of the first non-woven fabric and the second non-woven fabric is 0.5-1 mm.
As a still further scheme of the utility model: and a reinforced layer is arranged at the boundary of the first heat insulation layer, the noise reduction layer and the filter layer and is an aluminum alloy plate.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the PLA micro-nano fiber membranes are symmetrically arranged to cover the sound-absorbing board, the first non-woven fabric and the second non-woven fabric are combined to enhance the overall structural strength of the sound-absorbing board, and meanwhile, the arrangement of the first non-woven fabric and the second non-woven fabric can improve the elasticity of the sound-absorbing board, so that the sound-absorbing board can be conveniently attached and installed; through set up adsorption equipment on the abatvoix, combine the sucking disc that peg graft post and peg graft post both ends set up, realize the both sides laminating installation operation to the abatvoix, guarantee the long-time reliable amortization operation of abatvoix, avoid taking place to warp and reduce noise cancelling effect.
Drawings
Fig. 1 is a schematic structural view of an acoustic panel for an automobile ceiling.
Fig. 2 is a schematic view showing the fitting of a plug-in post in an acoustic panel for an automobile ceiling.
Fig. 3 is a schematic structural view of a first nonwoven fabric in an acoustic panel for an automobile ceiling.
Fig. 4 is a schematic structural view of a sound absorbing ball in the sound absorbing panel for the ceiling of the automobile.
In the figure: the sound absorption and insulation structure comprises a PLA micro-nano fiber membrane 1, a first non-woven fabric 2, a first heat insulation layer 3, a sound absorption ball 4, a sound absorption cavity 40, a sound absorption hole 41, an active carbon layer 5, a second heat insulation layer 6, a second non-woven fabric 7, a plug hole 9, a plug column 10 and a sucker 11.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1:
please refer to fig. 1-4, a sound-absorbing board for an automobile ceiling comprises a PLA micro-nano fiber membrane 1 arranged on the outer surface, wherein a first non-woven fabric 2 and a second non-woven fabric 7 are symmetrically arranged on the inner side of the PLA micro-nano fiber membrane 1, the first non-woven fabric 2 and the second non-woven fabric 7 are uniformly arranged, the first non-woven fabric 2 is uniformly bonded together, a first heat-insulating layer 3 is arranged on the inner layer of the first non-woven fabric 2, a second heat-insulating layer 6 is arranged on the inner layer of the second non-woven fabric 7, a sound-absorbing layer and a filter layer are arranged between the first heat-insulating layer 3 and the second heat-insulating layer 6, the sound-absorbing layer comprises sound-absorbing balls 4 uniformly arranged, and an adsorption device is uniformly arranged on the sound-absorbing board.
Specifically, cover first non-woven fabrics 2 and the second non-woven fabrics 7 of inlayer through PLA micro-nanofiber membrane 1, promote the holistic intensity of abatvoix, combine first non-woven fabrics 2 and second non-woven fabrics 7 to install first insulating layer 3 and second insulating layer 6 to promote the heat preservation effect in carriage, avoided simultaneously with external energy exchange.
More specifically, by providing the sound-deadening layer between the first heat-insulating layer 3 and the second heat-insulating layer 6, the sound waves are absorbed by the sound-absorbing balls 4 which are uniformly distributed, so that noise transmission is reduced, and driving and riding comfort inside the vehicle compartment are improved.
Further, the filter layer comprises an activated carbon layer 5 arranged between the second heat insulation layer 6 and the sound attenuation layer, small holes are uniformly distributed in the activated carbon layer 5, and the activated carbon layer 5 is pressed between the sound attenuation layer and the second heat insulation layer 6.
Specifically, through set up activated carbon layer 5 between second insulating layer 6 and noise damping layer, combine activated carbon layer 5 to filter the absorption to the peculiar smell that contains in the air, activated carbon layer 5 inside evenly sets up the aperture, and the aperture of even setting can promote the filter effect.
Further, the amortization layer is including the sound ball 4 of inhaling that evenly sets up between filter layer and first insulating layer 3, it is provided with sound damping chamber 40 in the sound ball 4 to inhale, the surface of inhaling sound ball 4 evenly is provided with sound receiving hole 41, link up between sound receiving hole 41 and the sound damping chamber 40.
Specifically, the sound absorption ball 4 is provided with a sound absorption cavity 40 therein, and sound waves are absorbed by combining the sound absorption cavity 40, and the sound absorption hole 41 is formed in the surface of the sound absorption ball 4, so that sound waves are guided into the sound absorption cavity 40 inside the sound absorption ball 4 through the sound absorption hole 41, and the sound absorption operation is performed.
Further, the first non-woven fabric 2 and the second non-woven fabric 7 are prepared by a polymer extrusion spunbonding method, and the thickness is 0.5-1 mm.
Furthermore, a reinforced layer is arranged at the boundary of the first heat insulation layer 3, the noise reduction layer and the filter layer, and the reinforced layer is an aluminum alloy plate.
Specifically, set up the enhancement layer in boundary department, through the enhancement layer that aluminium alloy plate set up, promote the overall structure intensity of abatvoix to when the abatvoix installation, be convenient for laminate the cover installation to the abatvoix, can avoid the abatvoix to kick-back simultaneously, influence the installation effect.
Example 2:
this embodiment is a further improvement and a limitation of embodiment 1 on the basis of embodiment 1.
An acoustic panel for an automobile ceiling, comprising all the components of embodiment 1, and further comprising:
further, adsorption equipment is including evenly setting up spliced eye 9 on the abatvoix, spliced eye 9 in-connection has spliced pole 10, the both ends of spliced pole 10 are provided with sucking disc 11, sucking disc 11 is the rubber material, the abatvoix passes through sucking disc 11 and the contact surface adsorbs together.
Specifically, the inside at the ceiling is installed to the abatvoix, the ceiling is after shining through long-time sunshine, lead to the abatvoix to take place great deformation easily, thereby make the noise cancelling effect of abatvoix greatly reduced, in order to avoid this kind of phenomenon to appear, through evenly setting up spliced eye 9 on the abatvoix, combine the poor hole that connects to install peg graft post 10, the sucking disc 11 that utilizes the setting of 10 both ends of peg graft post is laminated the installation to the abatvoix, when receiving high temperature and shining, also can not make the abatvoix take place deformation, thereby effectively promote the noise cancelling and noise reduction effect of abatvoix.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an acoustic panel for car roof, its characterized in that, is including setting up PLA micro-nano fiber membrane (1) at the surface outward, the inboard symmetry of PLA micro-nano fiber membrane (1) is provided with first non-woven fabrics (2) and second non-woven fabrics (7), first non-woven fabrics (2) and second non-woven fabrics (7) evenly set up evenly first non-woven fabrics (2) bond together, the inlayer of first non-woven fabrics (2) is provided with first insulating layer (3), the inlayer of second non-woven fabrics (7) is provided with second insulating layer (6), be provided with noise damping layer and filter layer between first insulating layer (3) and second insulating layer (6), noise damping layer is including the sound absorption ball (4) of evenly laying, evenly be provided with adsorption equipment on the acoustic panel.
2. The sound-absorbing panel for the automobile ceiling as claimed in claim 1, wherein the filter layer comprises an activated carbon layer (5) arranged between the second heat-insulating layer (6) and the sound-deadening layer, the activated carbon layer (5) is uniformly distributed with small holes, and the activated carbon layer (5) is laminated between the sound-deadening layer and the second heat-insulating layer (6).
3. The sound-absorbing panel for the automobile ceiling as claimed in claim 2, wherein the sound-absorbing layer comprises sound-absorbing balls (4) uniformly arranged between the filter layer and the first heat-insulating layer (3), a sound-absorbing chamber (40) is arranged in the sound-absorbing balls (4), sound-absorbing holes (41) are uniformly arranged on the surface of the sound-absorbing balls (4), and the sound-absorbing holes (41) are communicated with the sound-absorbing chamber (40).
4. The sound-absorbing panel for the automobile ceiling is characterized in that the adsorption device comprises plug holes (9) uniformly formed in the sound-absorbing panel, plug columns (10) are connected in the plug holes (9), sucking discs (11) are arranged at two ends of each plug column (10), each sucking disc (11) is made of rubber, and the sound-absorbing panel is adsorbed together with the contact surface through the sucking discs (11).
5. The sound-absorbing panel for vehicle roofs as claimed in claim 1, wherein said first non-woven fabric (2) and said second non-woven fabric (7) are prepared by polymer extrusion spunbonding and have a thickness of 0.5-1 mm.
6. The sound-absorbing panel for the automobile ceiling as claimed in claim 1, wherein a reinforcing layer is provided at the boundary of the first heat-insulating layer (3), the sound-deadening layer and the filter layer, and the reinforcing layer is an aluminum alloy plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269308.8U CN215435435U (en) | 2021-06-08 | 2021-06-08 | Sound-absorbing board for automobile ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121269308.8U CN215435435U (en) | 2021-06-08 | 2021-06-08 | Sound-absorbing board for automobile ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215435435U true CN215435435U (en) | 2022-01-07 |
Family
ID=79710328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121269308.8U Expired - Fee Related CN215435435U (en) | 2021-06-08 | 2021-06-08 | Sound-absorbing board for automobile ceiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215435435U (en) |
-
2021
- 2021-06-08 CN CN202121269308.8U patent/CN215435435U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112878869A (en) | Sound insulation glass for high-speed locomotive | |
| CN215435435U (en) | Sound-absorbing board for automobile ceiling | |
| CN201872757U (en) | Thin high-sound-insulation floor board for passenger compartment of motor train | |
| CN111619599A (en) | Sound insulation method for railway vehicle cab floor, floor structure and installation method thereof | |
| CN216466597U (en) | Sound cotton is inhaled to car | |
| CN207207332U (en) | A kind of outer heat-insulating sound-insulating pad of automobile front wall | |
| CN112849175B (en) | Noise-reduction train floor | |
| CN210591323U (en) | Automobile glass with good sound insulation effect | |
| CN206494009U (en) | A kind of automobile with low-frequency sound-absorbing structure | |
| CN210391139U (en) | Inhale sound and fall high-speed railway carriage side decorative board structure of making an uproar | |
| CN107650635A (en) | A kind of Jing Yin vehicle window of micropunch film | |
| CN203005309U (en) | Noise insulation device for front wall of engine compartment | |
| CN217864126U (en) | Lightweight metamaterial sound insulation cover applied to train roof of motor train unit | |
| CN211819089U (en) | Novel sound-insulation noise-reduction door | |
| CN213832001U (en) | Impact-resistant high-sound-insulation floating floor | |
| CN206034735U (en) | Hollow brick gives sound insulation | |
| CN201738748U (en) | Material filling structure in a rail vehicle door leaf | |
| CN219888591U (en) | New energy vehicle skateboard chassis and frame damping sound insulation rubber-sandwiched board material | |
| CN220053793U (en) | Door leaf applied to railway vehicle door | |
| CN217495915U (en) | Effectual car inside lining ground mat gives sound insulation | |
| CN218876521U (en) | Top reinforcing plate with sound absorption function | |
| CN212332563U (en) | Sound-absorbing damping sheet | |
| CN217532762U (en) | Sound insulation device under passageway in car | |
| CN212202082U (en) | Noise reduction equipment in long-distance tunnel | |
| CN215667811U (en) | Automobile lightweight damping rubber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |