CN220483220U - Thin type automobile sound-absorbing cotton plate - Google Patents
Thin type automobile sound-absorbing cotton plate Download PDFInfo
- Publication number
- CN220483220U CN220483220U CN202322299067.7U CN202322299067U CN220483220U CN 220483220 U CN220483220 U CN 220483220U CN 202322299067 U CN202322299067 U CN 202322299067U CN 220483220 U CN220483220 U CN 220483220U
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- layer
- short
- filaments
- absorbing cotton
- utility
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 238000005098 hot rolling Methods 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 10
- 238000009960 carding Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 90
- 239000012790 adhesive layer Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000002649 leather substitute Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 210000004207 dermis Anatomy 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 14
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a thin type automobile sound-absorbing cotton plate, and relates to the technical field of sound-absorbing cotton plates. The sound insulation base comprises a base body with a sound insulation effect, wherein the base body comprises a first short wire layer, a filling layer and a second short wire layer, and the filling layer is positioned between the first short wire layer and the second short wire layer; the first short wire layer, the filling layer and the second short wire layer are manufactured through a hot rolling process; the filling layer comprises a plurality of filaments, the filaments are in a hollow three-dimensional spiral curled shape, micropores and uniform gap distribution are formed in the filaments after the filaments are formed, the first short filament layer and the second short filament layer are made of PET materials, and the first short filament layer and the second short filament layer made of PET are made of a framework through mixing and carding to form a net. According to the utility model, the filled filaments are arranged in a hollow three-dimensional spiral curled shape, so that the due micropores and uniform gap distribution in the formed filaments are increased, a good sound absorption and heat insulation effect is achieved, meanwhile, the thinner substrate is realized, and the use requirement of the decorative material is met.
Description
Technical Field
The utility model belongs to the technical field of sound-absorbing cotton boards, and particularly relates to a thin automobile sound-absorbing cotton board.
Background
As is well known, an automobile is a vehicle which does not depend on a track or an overhead line, has four or more wheels and is driven by power to run on land, and with the development of society, the automobile also goes into thousands of households, people can look at the vehicle most attractive, and the comfort of the vehicle is considered more, so that the sound insulation effect is the performance which people pursue;
the sound insulation effect of the automobile is not only represented by the filling of the sound insulation material in the vehicle housing, but in the decoration of the vehicle interior, generally only the decorative effect can be provided, and the sound insulation effect is poor, and therefore, a thin type automobile sound-absorbing cotton board is proposed.
Disclosure of Invention
The utility model aims to provide a thin type automobile sound-absorbing cotton board, which increases due micropores and uniform gap distribution in the formed automobile sound-absorbing cotton board by arranging filled filaments into a hollow three-dimensional spiral curled shape, so that good sound-absorbing and heat-insulating effects are achieved, meanwhile, a thinner substrate is realized, the use requirement of decorative materials is met, and the existing technical problems are solved.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
a thin automotive sound absorbing cotton board comprising:
the base body with the sound insulation effect comprises a first short wire layer, a filling layer and a second short wire layer, wherein the filling layer is positioned between the first short wire layer and the second short wire layer;
the first short wire layer, the filling layer and the second short wire layer are manufactured through a hot rolling process;
the filling layer comprises a plurality of filaments, the filaments are in a hollow three-dimensional spiral curled shape, micropores and uniform gap distribution are formed in the filaments after the filaments are molded, the filled filaments are set to be in the hollow three-dimensional spiral curled shape, and due micropores and uniform gap distribution in the filaments after the filaments are molded are increased, so that a good sound absorption and heat insulation effect is achieved.
As a still further scheme of the utility model, the first short silk layer and the second short silk layer are made of PET material, and the first short silk layer and the second short silk layer made of PET are made of a framework for mixing and carding to form a net.
As a still further scheme of the utility model, the filaments are made of PP materials, PP materials are used as filament filling bodies, PET materials are used as first short filament layers and second short filament layers, and the first short filament layers and the second short filament layers are used as frameworks to be mixed and carded into a net, and the processing procedure is to improve the filament shape and the residence time of the hot rolling procedure, so that the substrate has good sound insulation effect, and meanwhile, the substrate is thinner, and the use requirement of the decorative material is met.
As a still further scheme of the utility model, the surface of the first short silk layer is provided with a decorative layer, the decorative layer is fixed on the surface of the first short silk layer, and the decorative layer improves the aesthetic property of the product.
As a still further scheme of the utility model, the bottom of the second short silk layer is provided with an adhesive layer, the bottom of the adhesive layer is adhered with a protective paste, and the product is conveniently fixed through the adhesive layer.
As still further aspects of the present utility model, the decorative layer is one of dermis, non-woven fabric, artificial leather or solid wood.
The embodiment of the utility model has the following beneficial effects:
according to the utility model, the PP material is used as a filament filling body, the PET material is used as a first short filament layer and a second short filament layer as a framework, and the mixture is carded into a net, and the special sound-absorbing cotton board substrate technology with the substrate thickness of 20 mm and the weight of 400g/m < 2 > is realized by improving the filament shape and the residence time process treatment of the hot rolling procedure in the process, so that the substrate has good sound insulation effect, and meanwhile, the substrate is thinner, and the use requirement of a decorative material is met;
according to the utility model, the filled filaments are arranged in a hollow three-dimensional spiral curled shape, so that the due micropores and uniform gap distribution in the formed filaments are increased, and a good sound absorption and heat insulation effect is achieved.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a filling layer structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a filament structure according to an embodiment of the present utility model.
In the figure: 1. a decorative layer; 2. a first staple layer; 3. a filling layer; 4. a second staple layer; 5. an adhesive layer; 6. a protective paste; 7. filaments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "open," "upper," "middle," "length," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.
Example 1
Referring to fig. 1-3, in this embodiment, a sound absorbing cotton board is provided, comprising: the base body with the sound insulation effect comprises a first short silk layer 2, a filling layer 3 and a second short silk layer 4, wherein the filling layer 3 is positioned between the first short silk layer 2 and the second short silk layer 4;
the first short wire layer 2, the filling layer 3 and the second short wire layer 4 are manufactured through a hot rolling process, and after hot rolling, secondary hot rolling treatment is carried out, so that the retention time of the working procedure is increased, and the process of 20 mm of substrate thickness is realized;
the filling layer 3 comprises a plurality of filaments 7, the filaments 7 are in a hollow three-dimensional spiral curled shape, and micropores and uniform gap distribution are formed inside the filling layer after the filling layer is formed, so that a good sound absorption and heat insulation effect is achieved.
The application can be used in the automotive field and other fields
Example two
Improvement on the basis of the first embodiment: referring to fig. 1-3, a low profile automotive acoustical cotton board comprising:
the base body with the sound insulation effect comprises a first short silk layer 2, a filling layer 3 and a second short silk layer 4, wherein the filling layer 3 is positioned between the first short silk layer 2 and the second short silk layer 4;
the first short wire layer 2, the filling layer 3 and the second short wire layer 4 are manufactured through a hot rolling process, and after hot rolling, secondary hot rolling treatment is carried out, so that the retention time of the working procedure is increased, and the process of 20 mm of substrate thickness is realized;
in the utility model, the filling layer 3 comprises a plurality of filaments 7, the filaments 7 are in a hollow three-dimensional spiral curled shape, and micropores and uniform gap distribution are formed in the formed filaments, so that a good sound absorption and heat insulation effect is achieved.
The first staple fiber layer 2 and the second staple fiber layer 4 are made of PET, the first staple fiber layer 2 and the second staple fiber layer 4 made of PET are made of a skeleton through mixing and carding to form a net, the first staple fiber layer 2, the second staple fiber layer 4 and the filaments 7 form a matrix, and the filaments 7 are made of PP.
In particular, the surface of the first short silk layer 2 is provided with a decorative layer 1, the decorative layer 1 is fixed on the surface of the first short silk layer 2, and the decorative layer 1 is utilized to increase the aesthetic property of the product.
In the utility model, the bottom of the second short silk layer 4 is provided with the adhesive layer 5, the bottom of the adhesive layer 5 is adhered with the protective paste 6, the product is conveniently fixed in the vehicle through the adhesive layer 5, and the decorative layer 1 is one of leather, non-woven fabrics, artificial leather or solid wood.
The technical scheme of the utility model comprises the following use flows and working principles:
when the novel sound-absorbing cotton board is used, the protective paste 6 is taken down, the whole body can be adhered to a vehicle as an interior decoration, the aesthetic property of a product is improved by utilizing the decorative layer 1, the filled filaments 7 are arranged in a hollow three-dimensional spiral curled shape, the due micropores and uniform gap distribution in the formed filaments are increased, so that a good sound-absorbing and heat-insulating effect is achieved, PP materials are used as filling bodies of the filaments 7, PET materials are used as the first short filament layer 2 and the second short filament layer 4 and are used as frameworks for mixing and carding to form a net, the special sound-absorbing cotton board substrate technology with the substrate thickness of 20 mm and the weight of 400g/m < 2 > is realized by improving the filament 7 shape and the retention time of a hot rolling procedure in the manufacturing process, the substrate is thinner while the substrate has a good sound-insulating effect, and the use requirement of the decorative material is met.
It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are merely for distinguishing features, and there is no actual order or sense of orientation, and the present application is not limited thereto.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. A thin automotive sound absorbing cotton board comprising:
the base body with the sound insulation effect comprises a first short silk layer (2), a filling layer (3) and a second short silk layer (4), wherein the filling layer (3) is positioned between the first short silk layer (2) and the second short silk layer (4);
the first short wire layer (2), the filling layer (3) and the second short wire layer (4) are manufactured through a hot rolling process;
the filling layer (3) comprises a plurality of filaments (7), wherein the filaments (7) are in a hollow three-dimensional spiral curled shape, and micropores and uniform gap distribution are formed inside the hollow three-dimensional spiral curled shape after forming.
2. The thin automobile sound absorbing cotton board according to claim 1, wherein the first short silk layer (2) and the second short silk layer (4) are made of PET, and the first short silk layer (2) and the second short silk layer (4) made of PET are made of a framework through mixing carding to form a net.
3. A thin automotive sound absorbing cotton board according to claim 1, characterised in that the filaments (7) are PP material.
4. A thin automotive sound absorbing cotton board according to claim 1, characterised in that the surface of the first spun layer (2) is provided with a decorative layer (1), the decorative layer (1) being fixed to the surface of the first spun layer (2).
5. A thin automotive sound absorbing cotton board according to claim 1, characterised in that the bottom of the second staple fibre layer (4) is provided with an adhesive layer (5), the bottom of the adhesive layer (5) being glued with a protective patch (6).
6. A low-profile automotive sound-absorbing cotton board according to claim 1, characterized in that said decorative layer (1) is one of dermis, non-woven fabric, artificial leather or solid wood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299067.7U CN220483220U (en) | 2023-08-25 | 2023-08-25 | Thin type automobile sound-absorbing cotton plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322299067.7U CN220483220U (en) | 2023-08-25 | 2023-08-25 | Thin type automobile sound-absorbing cotton plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220483220U true CN220483220U (en) | 2024-02-13 |
Family
ID=89829309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322299067.7U Active CN220483220U (en) | 2023-08-25 | 2023-08-25 | Thin type automobile sound-absorbing cotton plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220483220U (en) |
-
2023
- 2023-08-25 CN CN202322299067.7U patent/CN220483220U/en active Active
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