CN215620533U - Multifunctional outer partition plate for engine compartment cover, engine compartment cover and automobile - Google Patents
Multifunctional outer partition plate for engine compartment cover, engine compartment cover and automobile Download PDFInfo
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- CN215620533U CN215620533U CN202120717193.8U CN202120717193U CN215620533U CN 215620533 U CN215620533 U CN 215620533U CN 202120717193 U CN202120717193 U CN 202120717193U CN 215620533 U CN215620533 U CN 215620533U
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Abstract
The utility model relates to an outer clapboard for a multifunctional engine compartment cover, which comprises a sound insulation pad and a heat insulation pad; the sound insulation pad sequentially comprises a first non-woven fabric layer, a low-density light foam layer and a second non-woven fabric layer which are sequentially connected; the heat insulating pad comprises an aluminum foil layer, and the aluminum foil layer is connected to one surface, far away from the low-density light foam layer, of the first non-woven fabric layer. The utility model also relates to an engine compartment cover, which comprises the high-performance outer clapboard for the engine compartment cover. The utility model also relates to a motor vehicle comprising an engine compartment cover. Because the heat insulation pad uses the aluminum foil layer, the aluminum foil layer can reflect partial heat energy out, and the heat insulation and flame retardation effects are achieved; the sound insulation pad consisting of the first non-woven fabric layer, the low-density light foam layer and the second non-woven fabric layer can play a good sound insulation role and give good experience to customers, and the harm to production personnel and customers is reduced due to the use of the low-density light foam layer; at the same time, the use of low density lightweight foam can greatly reduce the weight of the product.
Description
Technical Field
The application relates to the technical field of automobiles and accessories thereof, in particular to an outer partition plate for a multifunctional engine compartment cover, the engine compartment cover and an automobile.
Background
With the development of automobile industry in China, requirements of customers on comfort, safety, energy conservation and the like of automobiles are continuously improved, the customers complain about TOP5 for a long time on noise, the desire of various host factories on noise reduction is stronger, the safety consciousness of the customers is improved along with the increase of reports of automobile spontaneous combustion phenomena, the requirement on energy conservation is improved, and parts with better sound insulation and absorption performance, safety performance and light weight are important for the customers to pay attention to.
As shown in fig. 1, the main structure of the conventional engine compartment outer partition is generally glass wool + non-woven fabric, resin felt + non-woven fabric, light foam + non-woven fabric, and the like, wherein the product of the glass wool + non-woven fabric structure has a good flame retardant effect, the hardness of the product is guaranteed, but during production and use, the glass fiber has a large harm to production personnel, the edge of the product is sharp and is easy to damage other parts, the gram weight is high, and the NVH performance is poor. The product of the resin felt plus non-woven fabric structure has certain stiffness, the raw materials are cheap and good, and the product is rawThe damage to production personnel during production and use is less than that of glass wool, but the defects of high gram weight and poor NVH performance still exist. Traditional 15kg/m3The product of the light foam and non-woven fabric structure has the advantages of low gram weight and good NVH performance, but has the defect of high cost due to high requirement on flame retardance of the non-woven fabric.
Therefore, it is a main problem to be solved at present to provide a multifunctional outer clapboard for an engine compartment cover.
SUMMERY OF THE UTILITY MODEL
The application provides a multi-functional outer baffle for engine compartment cover, engine compartment cover and car to solve prior art's problem that can not satisfy high performance, environmental protection and fire resistance height simultaneously.
The technical scheme adopted by the application is as follows:
the utility model provides a high-performance outer clapboard for an engine compartment cover, which comprises a sound insulation pad and a heat insulation pad; the sound insulation pad sequentially comprises a first non-woven fabric layer, a low-density light foam layer and a second non-woven fabric layer which are sequentially connected; the heat insulating pad comprises an aluminum foil layer, and the aluminum foil layer is connected to one surface of the first non-woven fabric layer far away from the low-density light foam layer.
Further, the thickness of the aluminum foil layer is 0.08-0.28 mm.
Further, the aluminum foil layer is pure aluminum or aluminum alloy.
Further, the thickness of the first non-woven fabric layer is 0.5-1.5 mm.
Further, the thickness of the low-density light foam layer is 10-40 mm.
Further, the density of the low-density lightweight foam layer is 12.5-14kg/m3。
Further, the thickness of the second non-woven fabric layer is 0.1-1 mm.
Further, the aluminum foil layer, the first non-woven fabric layer, the low-density lightweight foam layer and the second non-woven fabric layer are formed by hot press molding.
The utility model also provides an engine compartment cover, which comprises the high-performance outer clapboard for the engine compartment cover.
The utility model also provides an automobile comprising the engine compartment cover.
The technical scheme of the application has the following beneficial effects:
the utility model relates to an outer clapboard for a multifunctional engine compartment cover, which comprises a sound insulation pad and a heat insulation pad; the sound insulation pad sequentially comprises a first non-woven fabric layer, a low-density light foam layer and a second non-woven fabric layer which are sequentially connected; the heat insulating pad comprises an aluminum foil layer, and the aluminum foil layer is connected to one surface, far away from the low-density light foam layer, of the first non-woven fabric layer.
Because the heat insulation pad uses the aluminum foil layer, when the engine is started, the aluminum foil layer can reflect partial heat energy out, and the heat insulation and flame retardation effects are achieved; the sound insulation pad consisting of the first non-woven fabric layer, the low-density light foam layer and the second non-woven fabric layer can play a good sound insulation role and give good experience to customers, and the harm to production personnel and customers is reduced due to the use of the low-density light foam layer; at the same time, the use of low density lightweight foam can greatly reduce the weight of the product.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art external baffle structure;
FIG. 2 is a schematic structural view of an outer bulkhead for a multifunctional engine compartment cover according to an embodiment of the present invention;
illustration of the drawings:
wherein, 1-aluminum foil layer; 2-a first nonwoven layer; 3-a low density lightweight foam layer; 4-a second nonwoven layer; 5-glass wool/resin felt/lightweight foam layer.
Detailed Description
Referring to fig. 2, a structural schematic diagram of an outer bulkhead for a multifunctional engine compartment cover is shown.
The application provides a multi-functional outer baffle for engine compartment cover, including sound insulation pad and heat insulating mattress.
Specifically, the sound insulation pad sequentially comprises a first non-woven fabric layer, a low-density light foam layer and a second non-woven fabric layer which are sequentially connected;
the heat insulating pad comprises an aluminum foil layer, and the aluminum foil layer is connected to one surface of the first non-woven fabric layer far away from the low-density light foam layer.
In one achievable form, the aluminum foil layer has a thickness of 0.08-0.28 mm.
In one realizable approach, the aluminum foil layer is pure aluminum or an aluminum alloy. The aluminum foil has the advantages of high melting point, good flame retardant property and good ductility, can save cost by locally using the aluminum foil, and can ensure the requirements of the product on stiffness and profile.
In one achievable form, the first nonwoven layer has a thickness of from 0.5 to 1.5 mm.
In one achievable form, the low density lightweight foam layer has a thickness of 10-40 mm. In this example, the density of the low density lightweight foam layer was 12.5 to 14kg/m3. The main supporting structure is made of low-density light foam, so that the weight of the product can be further reduced on the premise of ensuring the performance.
In one realisable form, the second non-woven layer has a thickness of 0.1-1 mm.
In one manner that can be achieved, the aluminum foil layer, the first nonwoven fabric layer, the low-density lightweight foam layer, and the second nonwoven fabric layer are formed by hot press molding.
When the aluminum foil is manufactured, the second non-woven fabric layer is placed on the bottommost layer of the mold, the low-density light foam layer, the first non-woven fabric layer and the aluminum foil layer are sequentially placed, and then hot pressing operation is carried out.
After hot press forming, the aluminum foil layer, the first non-woven fabric layer, the low-density light foam layer and the second non-woven fabric layer are bonded stably and cannot be separated.
In the outer clapboard for the hot-press molded multifunctional engine compartment cover, the heat insulation pad uses the aluminum foil layer, so that when the engine is started, the aluminum foil layer can reflect partial heat energy out, and the heat insulation and flame retardation effects are achieved; the sound insulation pad consisting of the first non-woven fabric layer, the low-density light foam layer and the second non-woven fabric layer can play a good sound insulation role and give good experience to customers, and the harm to production personnel and customers is reduced due to the use of the low-density light foam layer; at the same time, the use of low density lightweight foam can greatly reduce the weight of the product.
Through long-time research experiments, the production environment is obviously improved in the production of the product with the structure of the aluminum foil layer, the first non-woven fabric layer, the low-density light foam layer and the second non-woven fabric layer, and the flame retardant property, the cost, the light weight and the NVH property of the product are all obviously superior, and are beneficial to the health of production personnel.
Based on the multifunctional outer clapboard for the engine compartment cover, the utility model also provides the engine compartment cover, which comprises the high-performance outer clapboard for the engine compartment cover.
Based on the multifunctional engine compartment cover, the utility model further provides an automobile which comprises the engine compartment cover.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (10)
1. The multifunctional outer clapboard for the engine compartment cover is characterized by comprising a sound insulation pad and a heat insulation pad;
the sound insulation pad sequentially comprises a first non-woven fabric layer, a low-density light foam layer and a second non-woven fabric layer which are sequentially connected;
the heat insulating pad comprises an aluminum foil layer, and the aluminum foil layer is connected to one surface of the first non-woven fabric layer far away from the low-density light foam layer.
2. The multifunctional engine compartment cover outer bulkhead of claim 1, wherein the aluminum foil layer has a thickness of 0.08-0.28 mm.
3. The multifunctional engine compartment cover outer bulkhead of claim 2, wherein the aluminum foil layer is pure aluminum or an aluminum alloy.
4. The multifunctional engine compartment cover outer bulkhead of claim 1, wherein the thickness of the first nonwoven fabric layer is 0.5 to 1.5 mm.
5. The multifunctional engine compartment cover outer bulkhead of claim 1, wherein the low density lightweight foam layer has a thickness of 10-40 mm.
6. The multifunctional engine compartment cover outer bulkhead of claim 5, wherein the low density lightweight foam layer has a density of 12.5 to 14kg/m3。
7. The multifunctional engine compartment cover outer bulkhead of claim 1, wherein the thickness of the second nonwoven fabric layer is 0.1 to 1 mm.
8. The multifunctional engine compartment cover outer bulkhead of claim 1, wherein the aluminum foil layer, the first non-woven fabric layer, the low-density lightweight foam layer, and the second non-woven fabric layer are formed by hot press molding.
9. An engine room cover comprising the high performance type outer bulkhead for an engine room cover according to any one of claims 1 to 8.
10. An automobile, characterized by comprising the engine compartment cover according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120717193.8U CN215620533U (en) | 2021-04-06 | 2021-04-06 | Multifunctional outer partition plate for engine compartment cover, engine compartment cover and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120717193.8U CN215620533U (en) | 2021-04-06 | 2021-04-06 | Multifunctional outer partition plate for engine compartment cover, engine compartment cover and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215620533U true CN215620533U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120717193.8U Active CN215620533U (en) | 2021-04-06 | 2021-04-06 | Multifunctional outer partition plate for engine compartment cover, engine compartment cover and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215620533U (en) |
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2021
- 2021-04-06 CN CN202120717193.8U patent/CN215620533U/en active Active
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