CN215096190U - Automotive interior ceiling - Google Patents
Automotive interior ceiling Download PDFInfo
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- CN215096190U CN215096190U CN202121524745.XU CN202121524745U CN215096190U CN 215096190 U CN215096190 U CN 215096190U CN 202121524745 U CN202121524745 U CN 202121524745U CN 215096190 U CN215096190 U CN 215096190U
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Abstract
The application discloses automotive interior ceiling. The method comprises the following steps: a ceiling body; according to the novel ceiling material structure, the automotive interior ceiling material is rearranged, the form of adding a decoration material to a traditional plate is changed, the non-woven fabric layer, the PET foamed plate layer and the fabric layer are sequentially arranged from bottom to top, and the adjacent material layers are connected in an adhesion mode to form the novel ceiling material structure, so that the novel ceiling material structure has good sound absorption, sound insulation and heat insulation properties; the material of PET foaming sheet layer uses polyethylene glycol terephthalate as the main, satisfies passenger's smell nature and VOC requirement, and the leftover bits that production PET foaming sheet layer produced can be retrieved and recycled, realizes the purpose of practicing thrift the cost. Furthermore, the technical scheme also utilizes the adhesive produced on the surface of the independently arranged hot melt adhesive net film or the PET foaming plate layer when the temperature is 240-260 ℃, so that various connection modes among the non-woven fabric layer, the PET foaming plate layer and the fabric layer are realized, and the connection modes have flexibility.
Description
Technical Field
The present disclosure relates generally to the field of automotive accessory equipment technology, and more particularly to an automotive interior ceiling.
Background
The ceiling interior is the part above the head of a passenger sitting in the vehicle, and the ceiling interior mainly has the functions of embodying the shape design in the carriage, insulating heat, insulating sound and absorbing sound with the outside and protecting the head of the passenger. Has the properties of flame retardance, noise reduction, heat insulation and the like.
At present, the following problems exist in the existing automobile roof: the existing ceiling material comprises a hemp fiber board, a PU composite board, a PP glass fiber board, the hemp fiber board is easy to go moldy, the odor property and VOC can not meet the requirements of customers, the PU composite board can not be recycled, the odor property VOC can not meet the requirements of customers, and the PP glass fiber board has poor sound absorption and sound insulation performance, so the three materials can not meet the requirements of high standards of customers. Therefore, improvement of the existing automotive interior ceiling is urgently required.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide an automotive interior ceiling having good sound absorbing, sound insulating and heat insulating properties, environmentally friendly and recyclable materials, satisfying passenger odor and VOC requirements, low cost, simple structure and easy implementation.
In a first aspect, the present application provides an automotive interior ceiling comprising: a ceiling body;
the ceiling body includes: the non-woven fabric layer, the PET foam board layer and the fabric layer are arranged from bottom to top in sequence; the adjacent surfaces of the non-woven fabric layer, the PET foaming board layer and the fabric layer are connected in a bonding mode.
According to the technical scheme provided by the embodiment of the application, the PET foam board layer is respectively connected with the non-woven fabric layer and the fabric layer through the adhesive generated on the two surfaces of the PET foam board layer when the PET foam board layer is heated to 240-260 ℃.
According to the technical scheme provided by the embodiment of the application, the non-woven fabric layer, the PET foaming board layer and the fabric layer are connected with every two adjacent surfaces through the hot melt adhesive net film.
According to the technical scheme provided by the embodiment of the application, the PET foam board layer is connected with the fabric layer through an adhesive generated on any surface of the PET foam board layer when the PET foam board layer is heated to 240-260 ℃; the non-woven fabric layer is connected with the other surface of the PET foaming plate layer through a hot melt adhesive net film.
According to the technical scheme provided by the embodiment of the application, the PET foam board layer is connected with the non-woven fabric layer through an adhesive generated on any surface of the PET foam board layer when the PET foam board layer is heated to 240-260 ℃; the fabric layer is connected with the other surface of the PET foaming plate layer through a hot melt adhesive net film.
According to the technical scheme that this application embodiment provided, the material of PET foaming board layer includes: polyethylene terephthalate.
According to the technical scheme provided by the embodiment of the application, the fabric layer is made of non-woven fabrics or knitted fabrics.
According to the technical scheme provided by the embodiment of the application, the surface of the fabric layer is provided with double-component cotton.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: reinforcing ribs arranged independently;
the reinforcing ribs are connected with the ceiling body through fixing clamping pieces.
According to the technical scheme provided by the embodiment of the application, the sleeve is arranged on the surface of the fabric layer and used for containing the ceiling wiring harness.
In summary, the present technical solution specifically discloses a specific structure of an automotive interior ceiling. The novel material structure of the ceiling is formed by rearranging the automobile interior ceiling material, changing the form of a traditional PU composite board, a traditional PP glass fiber board and a traditional hemp fiber board, sequentially arranging a non-woven fabric layer, a PET foamed board layer and a fabric layer from bottom to top and connecting the adjacent material layers in an adhesion mode, so that the novel material structure of the ceiling has good sound absorption, sound insulation and heat insulation properties; further, the material of PET foaming sheet layer uses polyethylene glycol terephthalate as the main, at the in-process of production PET foaming sheet layer, utilizes carbon dioxide as the foamer, forms PET foaming sheet layer, can satisfy passenger's smell nature and VOC requirement to, the leftover bits that production PET foaming sheet layer produced can also be retrieved and recycled, realizes the purpose of saving cost. Furthermore, the technical scheme also utilizes the adhesive produced on the surface of the independently arranged hot melt adhesive net film or the PET foaming plate layer when the temperature is 240-260 ℃, so that various connection modes among the non-woven fabric layer, the PET foaming plate layer and the fabric layer are realized, and the connection modes have flexibility.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of an automotive interior ceiling.
Fig. 2 is a schematic structural view of an automotive interior ceiling.
Fig. 3 is a schematic structural view of an automotive interior ceiling.
Fig. 4 is a schematic structural view of an automotive interior ceiling.
Fig. 5 is a schematic structural diagram of bi-component cotton.
Fig. 6 is a schematic structural view of a reinforcing rib.
Fig. 7 is a structural schematic diagram of the fixing clip.
Fig. 8 is a schematic structural view of the sleeve.
Fig. 9 is a schematic view of the structure of the spacer.
Reference numbers in the figures: 1. a non-woven fabric layer; 2. a PET foam board layer; 3. a fabric layer; 4. a hot melt adhesive net film; 5. double-component cotton; 6. reinforcing ribs; 7. fixing the clamping piece; 8. a sleeve; 9. and a cushion block.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1, which illustrates a schematic structural diagram of an automotive interior ceiling provided by the present application, including: a ceiling body;
the ceiling body includes: the non-woven fabric layer 1, the PET foam board layer 2 and the fabric layer 3 are arranged from bottom to top in sequence; the adjacent surfaces of the non-woven fabric layer 1, the PET foam board layer 2 and the fabric layer 3 are connected in a bonding mode.
In the embodiment, the automotive interior ceiling material is rearranged, the form of the traditional PU composite board, PP glass fiber board and hemp fiber board is changed, the non-woven fabric layer 1, the PET foam board layer 2 and the fabric layer 3 are sequentially arranged from bottom to top, and the adjacent material layers are connected in an adhesion mode to form the new ceiling material structure, so that the automotive ceiling has good sound absorption, sound insulation and heat insulation properties;
the material of the fabric layer 3 is, for example, a nonwoven fabric or a knitted fabric;
the material of PET foaming sheet layer 2 uses polyethylene glycol terephthalate as the main, at the in-process of production PET foaming sheet layer 2, utilizes carbon dioxide as the foamer, forms PET foaming sheet layer 2, and it belongs to the environmental protection material, can satisfy passenger's smell nature and VOC requirement to, the leftover bits that production PET foaming sheet layer 2 produced can also be retrieved and recycled, realizes the purpose of practicing thrift the cost.
Example one
As shown in fig. 1, the PET foam sheet layer 2 is connected to the nonwoven fabric layer 1 and the fabric layer 3 by an adhesive generated on both surfaces thereof when heated to 240 to 260 degrees.
In the embodiment, the bonding manner between the PET foam board layer 2, the nonwoven fabric layer 1 and the fabric layer 3 is to connect the adhesive generated on the two surfaces of the PET foam board layer 2 with the nonwoven fabric layer 1 and the fabric layer 3 respectively when the PET foam board layer 2 is heated to 240-260 degrees, so as to achieve the purpose of bonding;
in addition, in practical production and use, compared with the connection mode of the second, third and fourth embodiments, the connection mode is more convenient and faster.
Example two
As shown in fig. 2, the nonwoven fabric layer 1, the PET foam board layer 2 and the fabric layer 3 are connected with each other by a hot melt adhesive net film 4.
In this embodiment, the PET foam board layer 2, the non-woven fabric layer 1, and the fabric layer 3 are bonded together in such a manner that adjacent surfaces of the non-woven fabric layer 1, the PET foam board layer 2, and the fabric layer 3 are bonded together by an independently disposed hot melt adhesive net film 4.
EXAMPLE III
As shown in fig. 3, the PET foam board layer 2 is connected to the fabric layer 3 by an adhesive generated on any surface thereof when heated to 240 to 260 degrees; the non-woven fabric layer 1 is connected with the other surface of the PET foaming plate layer 2 through a hot melt adhesive net film 4.
In this embodiment, the PET foam board layer 2, the nonwoven fabric layer 1 and the fabric layer 3 are bonded together in such a manner that an adhesive generated on any surface of the PET foam board layer 2 is connected to the fabric layer 3 when the PET foam board layer 2 is heated to 240 to 260 degrees, and the other surface of the PET foam board layer 2 can be connected to the nonwoven fabric layer 1 by an independently disposed hot melt adhesive web 4.
Example four
As shown in fig. 4, the PET foam sheet layer 2 is connected to the nonwoven fabric layer 1 by an adhesive generated on any surface thereof when heated to 240 to 260 degrees; the fabric layer 3 is connected with the other surface of the PET foaming plate layer 2 through a hot melt adhesive net film 4.
In this embodiment, the same as the third embodiment, the bonding manner between the PET foam board layer 2, the nonwoven fabric layer 1 and the fabric layer 3 is that an adhesive generated on any surface of the PET foam board layer 2 is connected to the nonwoven fabric layer 1 when the PET foam board layer 2 is heated to 240-260 degrees, and the other surface of the PET foam board layer 2 can be connected to the fabric layer 3 by using an independently arranged hot melt adhesive net film 4.
Further, as shown in fig. 5, the bi-component cotton 5 is disposed on the surface of the fabric layer 3, and is used for improving the sound insulation and heat insulation performance of the automotive interior; here, the specific connection mode of the bi-component cotton 5 and the fabric layer 3 is to bond the bi-component cotton 5 on the surface of the fabric layer 3 by using hot melt adhesive; and the double-component cotton 5 comprises PP + PET.
Further, as shown in fig. 6, the reinforcing ribs 6 are independently arranged, arranged on the surface of the ceiling body, and fixed on the ceiling body by the fixing clamping pieces 7 to improve the strength of the ceiling;
further, as shown in fig. 7, the fixing clip 7 has an accommodating portion and mounting portions disposed on both sides of the accommodating portion, the accommodating portion can accommodate the reinforcing ribs 6, through holes are formed in the mounting portions, and the ceiling body is embedded with the connecting members, so that the clip penetrates through the through holes and is connected with the connecting members to fix the positions of the reinforcing ribs 6.
Further, as shown in fig. 8, the sleeve 8 is arranged on the surface of the fabric layer 3 and used for accommodating a ceiling wiring harness, so that the wiring harness is prevented from being rubbed due to movement, the wires are prevented from being damaged, and short circuit is prevented; here, the type of the sleeve 8 is, for example, a glass fiber tube or a PVC tube;
here, the sleeve 8 is fixed to the fabric layer 3 by hot melt adhesive.
Further, as shown in fig. 9, when the ceiling body is installed on the roof inside the automobile, a spacer 9 provided independently is installed between the ceiling body and the a/B pillar of the roof inside the automobile to reduce the gap therebetween;
here, the type of the cushion block 9 is, for example, a closed-cell rubber-plastic sponge; the thickness thereof is, for example, 10mm, 15mm or 20mm, and can be adjusted as necessary.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. An automotive interior ceiling, characterized by comprising: a ceiling body;
the ceiling body includes: the non-woven fabric layer (1), the PET foam board layer (2) and the fabric layer (3) are arranged from bottom to top in sequence; the adjacent surfaces of the non-woven fabric layer (1), the PET foam board layer (2) and the fabric layer (3) are connected in a bonding mode.
2. The automotive interior ceiling as claimed in claim 1, wherein the PET foam sheet layer (2) is connected to the nonwoven fabric layer (1) and the fabric layer (3) by an adhesive generated on both surfaces thereof when heated to 240 to 260 degrees.
3. The vehicle interior roof as claimed in claim 1, characterized in that the nonwoven layer (1), the PET foam sheet layer (2) and the fabric layer (3) connect two adjacent surfaces to one another by means of a hotmelt adhesive web (4).
4. The automotive interior ceiling as claimed in claim 1, characterized in that the PET foam sheet layer (2) is connected to the face fabric layer (3) by an adhesive generated on any one surface thereof when heated to 240 to 260 degrees; the non-woven fabric layer (1) is connected with the other surface of the PET foaming board layer (2) through a hot melt adhesive net film (4).
5. The automotive interior ceiling as claimed in claim 1, characterized in that the PET foam sheet layer (2) is connected to the nonwoven fabric layer (1) by an adhesive generated on either surface thereof when it is heated to 240 to 260 degrees; the fabric layer (3) is connected with the other surface of the PET foaming plate layer (2) through a hot melt adhesive net film (4).
6. The automotive interior ceiling as claimed in claim 1, characterized in that the material of the PET foam sheet layer (2) comprises: polyethylene terephthalate.
7. The automotive interior ceiling as claimed in claim 1, characterized in that the material of the fabric layer (3) is a nonwoven fabric or a knitted fabric.
8. The vehicle interior roof according to claim 1, characterized in that the surface of the fabric layer (3) is provided with bicomponent cotton (5).
9. The automotive interior ceiling of claim 1, further comprising: a reinforcing rib (6) provided independently;
the reinforcing ribs (6) are connected with the ceiling body through fixing clamping pieces (7).
10. The vehicle interior roof according to claim 1, characterized in that the surface of the fabric layer (3) is provided with a sleeve (8) for receiving a roof wiring harness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524745.XU CN215096190U (en) | 2021-07-06 | 2021-07-06 | Automotive interior ceiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121524745.XU CN215096190U (en) | 2021-07-06 | 2021-07-06 | Automotive interior ceiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215096190U true CN215096190U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121524745.XU Active CN215096190U (en) | 2021-07-06 | 2021-07-06 | Automotive interior ceiling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589977A (en) * | 2022-03-09 | 2022-06-07 | 安通林汽车配件制造(上海)有限公司 | Automobile ceiling material |
-
2021
- 2021-07-06 CN CN202121524745.XU patent/CN215096190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589977A (en) * | 2022-03-09 | 2022-06-07 | 安通林汽车配件制造(上海)有限公司 | Automobile ceiling material |
| CN114589977B (en) * | 2022-03-09 | 2024-02-09 | 上海安通林汽车饰件有限公司 | Automobile roof material |
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