CN220053466U - Car door framework - Google Patents
Car door framework Download PDFInfo
- Publication number
- CN220053466U CN220053466U CN202321475924.8U CN202321475924U CN220053466U CN 220053466 U CN220053466 U CN 220053466U CN 202321475924 U CN202321475924 U CN 202321475924U CN 220053466 U CN220053466 U CN 220053466U
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- CN
- China
- Prior art keywords
- carbon fiber
- layer
- core material
- material layer
- fiber layer
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- 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.)
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- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 84
- 239000004917 carbon fiber Substances 0.000 claims abstract description 84
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000011162 core material Substances 0.000 claims abstract description 30
- 229920007790 polymethacrylimide foam Polymers 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims description 18
- 239000004579 marble Substances 0.000 claims description 8
- 239000002313 adhesive film Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 239000013585 weight reducing agent Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 83
- 239000002184 metal Substances 0.000 description 7
- 239000012792 core layer Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to the field of automobile doors, and particularly discloses a door skeleton, which comprises a core material layer embedded with an embedded part, wherein a first carbon fiber layer is adhered to one side of the core material layer, and a second carbon fiber layer is adhered to the other side of the core material layer; the first carbon fiber layer and the second carbon fiber layer cover the core material layer. The whole car door framework body is made of carbon fiber materials and polymethacrylimide foam, and the weight reduction effect is obvious.
Description
Technical Field
The utility model relates to an automobile door, in particular to a door skeleton.
Background
The automobile is light, namely the preparation quality of the automobile is reduced as much as possible on the premise of ensuring the strength and the safety performance of the automobile, so that the dynamic property of the automobile is improved, the fuel consumption is reduced, and the exhaust pollution is reduced.
The traditional car door skeleton is used as one of the most critical components in the whole car process, has more integral components and is more complicated, and has direct influence on the weight and the travel of the whole car. In the prior art, the automobile door of the automobile generally adopts a steel plate stamping structure, so that the weight of the automobile door is relatively large, and the lightweight design of the automobile body is not facilitated.
On the premise of the same rigidity, the composite door is lighter than steel by more than 40 percent. Meanwhile, the composite material has the advantages of strong designability, high specific strength, high specific modulus, impact resistance, corrosion resistance and the like, and fiber orientation, fabric structure, arrangement mode and the like can be effectively adjusted according to the product structure and stress working condition so as to meet the requirements of different working conditions.
Disclosure of Invention
In order to reduce the weight of a door frame, the present utility model provides a door frame.
The utility model provides a car door framework, which comprises a core material layer embedded with an embedded part, wherein a first carbon fiber layer is adhered to one side of the core material layer, and a second carbon fiber layer is adhered to the other side of the core material layer; the first carbon fiber layer and the second carbon fiber layer cover the core material layer.
By adopting the technical scheme, the vehicle door framework is an outdoor use environment, and is easy to be influenced by moist air in the long-time use process, so that the service life can be reduced. The carbon fiber layer has good corrosion resistance and weather resistance, and can greatly prolong the service life of the product.
The embedded part is respectively connected with the core material layer, the first carbon fiber layer and the second carbon fiber layer through the carrier adhesive film.
By adopting the technical scheme, the embedded part is connected with the core material layer and the carbon fiber layer by using the carrier adhesive film; the effect of isolating the metal embedded part from the core material layer and the carbon fiber is achieved synchronously, and potential corrosion generated by direct contact of the carbon fiber material and the metal embedded part is reduced.
The first carbon fiber layer and the second carbon fiber layer comprise a carbon fiber fabric layer and a carbon fiber unidirectional tape prepreg layer, and the core material layer is connected with the carbon fiber fabric layer through the carbon fiber unidirectional tape prepreg layer.
By adopting the technical scheme, the carbon fiber unidirectional tape prepreg layer is connected with the carbon fiber fabric layer, so that layering risks among different materials are eliminated, interlayer cracking is reduced conveniently, and the strength of the vehicle door framework is kept conveniently.
The first carbon fiber layer or the second carbon fiber layer further comprises a marble prepreg layer, and the marble prepreg layer is connected with the carbon fiber fabric layer.
By adopting the technical scheme, the marble-grain prepreg layer can further strengthen the strength of the first carbon fiber layer or the second carbon fiber layer, so that the strength of the vehicle door framework is improved; and has more ornamental appearance.
The carbon fiber unidirectional tape prepreg layer is laid in a lap joint mode, and the lap joint distance is 15-20mm.
By adopting the technical scheme, the carbon fiber unidirectional tape prepreg layer is laid in a lap joint mode, and the strength of the vehicle door framework can be effectively improved through lap joint laying.
The core material layer is made of polymethacrylimide foam.
By adopting the technical scheme, the polymethacrylimide foam has the characteristics of light weight, high strength, high/low temperature resistance and the like, and reduces the weight of the vehicle door framework while ensuring the strength of the vehicle door framework.
In summary, the utility model has the following beneficial effects:
1. the whole car door skeleton main body is made of carbon fiber materials and polymethacrylimide foam, so that the weight reduction effect is obvious, and compared with the prior steel structure, the weight reduction effect can reach 50%.
2. The carbon fiber composite material has good corrosion resistance and weather resistance, and can greatly prolong the service life of the product;
3. the carrier adhesive film is adopted to isolate the metal embedded part from the core material layer, the first carbon fiber layer and the second carbon fiber layer, so that the potential corrosion problem of the metal embedded part to the core material layer, the first carbon fiber layer and the second carbon fiber layer is reduced.
Drawings
Fig. 1 is a schematic structural view of a door skeleton of the present utility model.
Reference numerals illustrate: 1. a core layer; 2. a first carbon fiber layer; 3. a second carbon fiber layer; 4. has a carrier film.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a car door framework.
Referring to fig. 1, a door frame includes a core layer 1 embedded with an embedded part, which in this embodiment is an embedded part made of metal. The arrangement of the embedded part can improve the structural strength of the connecting area of the car door framework.
The core layer 1 is a core layer 1 made of polymethacrylimide foam. The polymethacrylimide foam is subjected to integral milling by adopting CNC, and the metal embedded part is positioned through the foam groove.
A first carbon fiber layer 2 is adhered to one side of the core material layer 1, and a second carbon fiber layer 3 is adhered to the other side of the core material layer 1; the first carbon fiber layer 2 and the second carbon fiber layer 3 are connected and clad the core material layer 1.
In this embodiment, the first carbon fiber layer 2 includes a carbon fiber fabric layer, a carbon fiber unidirectional tape prepreg layer, and a marble prepreg layer, and the core layer 1 is connected to the carbon fiber fabric layer through the carbon fiber unidirectional tape prepreg layer, and the marble prepreg layer is connected to the carbon fiber fabric layer.
The second carbon fiber layer 3 comprises a carbon fiber fabric layer and a carbon fiber unidirectional tape prepreg layer, and the core material layer 1 is connected with the carbon fiber fabric layer through the carbon fiber unidirectional tape prepreg layer.
In another embodiment, the second carbon fiber layer 3 comprises a carbon fiber fabric layer, a carbon fiber unidirectional tape prepreg layer and a marble prepreg layer, the core material layer 1 is connected with the carbon fiber fabric layer through the carbon fiber unidirectional tape prepreg layer, and the marble prepreg layer is connected with the carbon fiber fabric layer.
The first carbon fiber layer 2 comprises a carbon fiber fabric layer and a carbon fiber unidirectional tape prepreg layer, and the core material layer 1 is connected with the carbon fiber fabric layer through the carbon fiber unidirectional tape prepreg layer.
The carbon fiber unidirectional tape prepreg layer 12 is laid in a lap joint mode, and the lap joint distance is 15-20mm. The overlap distance in this example is 18 mm.
The embedded part made of metal is respectively connected with the core material layer 1, the first carbon fiber layer 2 and the second carbon fiber layer 3 through the carrier adhesive film 4.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (6)
1. A door frame, characterized in that: the embedded type carbon fiber composite material comprises a core material layer (1) embedded with an embedded part, wherein a first carbon fiber layer (2) is adhered to one side of the core material layer (1), and a second carbon fiber layer (3) is adhered to the other side of the core material layer (1); the first carbon fiber layer (2) and the second carbon fiber layer (3) cover the core material layer (1).
2. A door skeleton according to claim 1, wherein: the embedded part is respectively connected with the core material layer (1), the first carbon fiber layer (2) and the second carbon fiber layer (3) through a carrier adhesive film (4).
3. A door skeleton according to claim 1, wherein: the first carbon fiber layer (2) and the second carbon fiber layer (3) comprise a carbon fiber fabric layer and a carbon fiber unidirectional tape prepreg layer, and the core material layer (1) is connected with the carbon fiber fabric layer through the carbon fiber unidirectional tape prepreg layer.
4. A door skeleton according to claim 3, wherein: the first carbon fiber layer (2) or the second carbon fiber layer (3) further comprises a marble prepreg layer, and the marble prepreg layer is connected with the carbon fiber fabric layer.
5. A door skeleton according to claim 3, wherein: the carbon fiber unidirectional tape prepreg layer (12) is laid in a lap joint mode, and the lap joint distance is 15-20mm.
6. A door skeleton according to claim 1, wherein: the core material layer (1) is a core material layer (1) made of polymethacrylimide foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321475924.8U CN220053466U (en) | 2023-06-12 | 2023-06-12 | Car door framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321475924.8U CN220053466U (en) | 2023-06-12 | 2023-06-12 | Car door framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220053466U true CN220053466U (en) | 2023-11-21 |
Family
ID=88789055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321475924.8U Active CN220053466U (en) | 2023-06-12 | 2023-06-12 | Car door framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220053466U (en) |
-
2023
- 2023-06-12 CN CN202321475924.8U patent/CN220053466U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |