Vehicle body component and manufacturing method therefor, and vehicle

Abstract

A vehicle body component and a manufacturing method therefor, and a vehicle. The vehicle body component comprises a first component (1) and a second component (2) which are connected together; the first component (1) and the second component (2) are both made of a composite material, and are each provided with a plurality of stacked layers (c); the first component (1) and the second component (2) are each provided with a connecting portion located in a connecting region (Q) between the first component (1) and the second component (2), and a body portion located outside the connecting portion; the layers (c) in each body portion are cured together; and in the connecting region (Q), the layers (c) in the two connecting portions are spliced in a staggered mode and are cured and connected together.

Description

Vehicle body component, manufacturing method thereof, and vehicle

[0001] This disclosure claims priority to a patent application filed with the Patent Office of China on August 7, 2023, with application number 202310988129.7 and titled “Body Parts, Preparation Methods Thereof, and Vehicles,” the entire contents of which are incorporated herein by reference. Technical Field

[0002] The present disclosure relates to the field of vehicle body technology, and more particularly to a vehicle body component. The present disclosure also relates to a method for preparing the vehicle body component, and a vehicle equipped with the vehicle body component. Background Art

[0003] With the development of technology and the increasing demand for energy conservation and emission reduction, vehicle lightweight design has become an important aspect of improving competitiveness. To this end, more and more automakers are beginning to try to adopt new materials and new process structures in the hope of reducing vehicle weight.

[0004] At present, the application of composite materials such as carbon fiber has gradually become an important measure in the lightweight design of vehicle bodies. In particular, new materials with excellent mechanical properties that are transformed from organic fibers through a series of heat treatments have begun to be used in many car models.

[0005] Taking vehicle panels made of carbon fiber composite materials as an example, such as the side panels and roof panels in a vehicle body, there are generally two methods for connecting them. One method involves positioning the side panels, applying glue to the overlapping roof panels, and then bonding the roof panels to the side panels. The other method, based on the above method, deepens the overlap between the side and roof panels in the Z direction (the vertical direction of the vehicle) and further adds a top molding to seal the recessed structure formed by the deepening.

[0006] While both methods achieve a connection between the side panel and the roof panel, the first method, due to a certain degree of shrinkage of the adhesive during curing, leaves a visible seam between the two components after curing, which is unsightly and prone to dust accumulation. The second method, due to the need for a deeper finish, occupies a significant amount of Z-axis space in the vehicle, hindering the layout of the roof interior and increasing component costs. It also leaves a visible seam, which is unsightly and prone to dust accumulation. Summary of the Invention

[0007] In view of this, the present disclosure aims to provide a vehicle body component, so as to enable the vehicle body component made of composite materials to achieve a seamless appearance.

[0008] To achieve the above objectives, the technical solution of the present disclosure is implemented as follows:

[0009] A vehicle body component includes a first component and a second component connected together, wherein the first component and the second component are both made of composite materials and have a plurality of laminated layers, and each of the first component and the second component has a connecting portion located in a connecting region therebetween and a body portion located outside the connecting portion;

[0010] The plies in each body portion are cured together, and in the connection area, the plies in the two connection portions are staggered and spliced ​​and cured together.

[0011] Furthermore, a width k of each connecting portion along the connecting direction of the first component and the second component is between 25 mm and 75 mm.

[0012] Furthermore, in the connection area, the plies in the two connection parts are spliced ​​one by one, and the seams between adjacent plies are staggered in the connection direction of the first component and the second component.

[0013] Furthermore, in the connection area, a plurality of plies in one connection part are stacked and then staggered and spliced ​​with a plurality of plies in another connection part that are similarly stacked.

[0014] Furthermore, the width t of the seam along the connection direction between the first component and the second component is not greater than 1 mm; and / or,

[0015] The distance L between the seams of adjacent plies in the connection direction between the first component and the second component is not less than 25 mm.

[0016] Furthermore, both the first component and the second component are made of carbon fiber composite materials.

[0017] Compared with the prior art, the present disclosure has the following advantages:

[0018] The body component disclosed herein is connected by interlacing and splicing the layers in the connecting portion of the first component and the second component and then curing them together, thereby connecting the two components. This can make the body component made of composite materials achieve a seamless appearance at the connection position, thereby helping to enhance the visual refinement of the body component and improve the appearance quality of the entire vehicle.

[0019] Furthermore, the width k of each connecting portion is configured to ensure a reliable connection between the two components. The plies in the two connecting portions are spliced ​​one-to-one, and the seams between adjacent plies are staggered. This not only achieves staggered splicing between the two connecting portions, but also ensures better contact between the plies in the two connecting portions, further ensuring a reliable connection between the two components.

[0020] Furthermore, setting the joint width t allows for dimensional deformation during curing, while also ensuring contact area between adjacent plies, thereby enhancing the connection reliability between the two components. Setting the distance L between adjacent joints minimizes the impact of joint position on the connection strength between staggered plies, further improving the connection reliability between the two components. The first and second components are constructed using carbon fiber composite materials, a mature and cost-effective technology that meets the structural performance requirements of vehicle body components.

[0021] Another object of the present disclosure is to provide a method for preparing a vehicle body component, the method comprising:

[0022] Separately forming a first component and a second component, each having a main body portion and a connecting portion, wherein the first component and the second component are both made of composite materials and have a plurality of stacked layers, and the layers in each main body portion are cured together;

[0023] The formed first component and the second component are placed in a mold, and after the plies in the two connection parts are staggered and spliced, the two connection parts are cured and connected together.

[0024] Furthermore, a first component and a second component are formed separately, each having a body portion and a connecting portion, including:

[0025] Laying the plies used to form the first component and the second component as required, wherein the positions of the plies serving as the main body are coated with resin during laying, while the positions serving as the connecting portions are not coated with resin;

[0026] The ply positions serving as the connection parts are isolated and protected, and the ply positions serving as the main body parts are solidified using an autoclave process or an HP-RTM process.

[0027] Furthermore, the first component and the second component are both made of carbon fiber composite materials;

[0028] The plies in the two connecting parts are spliced ​​one by one, the seams between adjacent plies are staggered in the connection direction between the first component and the second component, and resin is applied on each of the spliced ​​plies.

[0029] Furthermore, the two connection parts are baked and solidified by a heater.

[0030] Furthermore, the heater is an infrared heater.

[0031] Furthermore, one side of each of the first component and the second component is attached to the mold, and a vacuum bag with an air nozzle is covered on the other side of the first component and the second component;

[0032] Sealing strips are provided between the main body parts of the first component and the second component and the mold and the vacuum bag, and after vacuuming through the air nozzle, the two spliced ​​connection parts are baked and cured.

[0033] Furthermore, the two connecting parts are provided with an isolation mold and a breathable sticker in sequence on one side facing the vacuum bag in the direction pointing toward the vacuum bag; and / or,

[0034] A release cloth is provided between the first component, the second component and the mold.

[0035] The method for preparing a vehicle body component disclosed herein first forms a first component and a second component having a main body portion and a connecting portion, and then interlacedly splices the plies in the connecting portion of the two components and then connects them together by curing, thereby connecting the two components. This method can achieve a seamless appearance at the connection position of the vehicle body component made of composite materials, thereby helping to enhance the visual refinement of the vehicle body component and improve the appearance quality of the entire vehicle.

[0036] In addition, the present disclosure also provides a vehicle, in which the vehicle body component as described above is provided.

[0037] Furthermore, the vehicle body component is a vehicle body outer covering component, the first component is a side outer panel, and the second component is a roof outer panel.

[0038] The vehicle of the present disclosure has the same beneficial effects as the above-mentioned vehicle body components, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] The accompanying drawings, which constitute part of this disclosure, are used to provide a further understanding of the disclosure. The exemplary embodiments of the disclosure and their descriptions are used to explain the disclosure and do not constitute an improper limitation of the disclosure. In the accompanying drawings:

[0040] FIG1 is a schematic structural diagram of a vehicle body component according to an embodiment of the present disclosure;

[0041] FIG2 is a schematic structural diagram of the first component according to an embodiment of the present disclosure;

[0042] FIG3 is a schematic diagram of the preparation of a vehicle body component according to an embodiment of the present disclosure;

[0043] Description of reference numerals:

[0044] 1. First component; 2. Second component; 3. Mold; 4. Sealing strip; 5. Release cloth; 6. Vacuum bag; 7. Isolation film; 8. Breathable tape; 9. Gas nozzle; 10. Heater;

[0045] 1a, first main body part; 1b, first connecting part; 2a, second main body part; 2b, second connecting part; c, ply; f, joint; k, width of connecting part; t, width of joint; L, distance between joints. DETAILED DESCRIPTION

[0046] It should be noted that, unless there is any conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0047] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. Example 1

[0048] This embodiment relates to a vehicle body component. As shown in FIG1 , the vehicle body component includes a first component 1 and a second component 2 connected together. The first component 1 and the second component 2 are both made of composite materials and have a plurality of stacked layers c. Furthermore, the first component 1 and the second component 2 also have a connecting portion located in a connecting region Q therebetween, and a main body portion located outside the connecting portion.

[0049] The plies c in the main body portions of the first component 1 and the second component 2 are cured together, and in the connection area Q, the plies c in the connection portions of the first component 1 and the second component 2 are staggered and spliced ​​and cured together, thereby achieving the connection between the first component 1 and the second component 2 to form the body component of this embodiment.

[0050] As shown in the above structure, the first component 1 and the second component 2 are connected together by staggering and curing the plies c in the connecting portion of the first component 1 and the second component 2. This embodiment can achieve a seamless appearance at the connection position of the body parts made of composite materials, which is beneficial to improving the appearance quality of the body parts.

[0051] Based on the above general introduction, in detail, as a preferred embodiment, the body components of this embodiment can be made of carbon fiber composite materials, for example, namely, both the first component 1 and the second component 2 are made of carbon fiber composite materials. Thus, the use of carbon fiber composite materials for the first component 1 and the second component 2 has the advantages of mature technology and low cost, while also meeting the structural performance requirements of the body components.

[0052] Of course, in addition to using carbon fiber composite materials, the first component 1 and the second component 2 constituting the body component of this embodiment may also be made of other composite materials, as long as they also have multiple laminated layers c and use a curing process to achieve connection between different components and realize the corresponding structural shape of the components.

[0053] In this embodiment, also as a preferred implementation form, the vehicle body component formed by connecting the first component 1 and the second component 2 can be, for example, a vehicle body panel. In this case, the panel can be, for example, a vehicle body exterior panel formed by connecting the side outer panels and the roof outer panel. Thus, the first component 1 and the second component 2 are the side outer panels and the roof outer panel, respectively. Furthermore, the structural design of this embodiment can achieve an apparent seam-free connection between the side outer panels and the roof outer panel.

[0054] Of course, it should be noted that, in addition to being a vehicle body exterior panel composed of side panels and roof panels, the vehicle body component of this embodiment may also be other structures that also serve as vehicle body exterior panels. Furthermore, in addition to being a vehicle body panel, the vehicle body component of this embodiment may also be other structures in a vehicle that can be made of carbon fiber composite materials, and this embodiment is not intended to limit this.

[0055] In this embodiment, for the convenience of description, the main body part and the connecting part in the first component 1 are specifically referred to as the first main body part 1a and the first connecting part 1b. Similarly, the main body part and the connecting part in the second component 2 are also referred to as the second main body part 2a and the second connecting part 2b.

[0056] 2 , as a preferred embodiment, taking the first connecting portion 1b in the first component 1 as an example, the width k of each connecting portion along the connecting direction between the first component 1 and the second component 2 in this embodiment can generally be set between 25-75 mm.

[0057] In this case, the connection direction between the first component 1 and the second component 2 is the left-right direction in Figure 1. By setting the width k of each connecting portion, the reliability of the connection between the first component 1 and the second component 2 can be ensured. In addition, in a specific implementation, based on the number of plies c in the first component 1 and the second component 2, the width k can be, for example, 25 mm, 30 mm, 32 mm, 35 mm, 40 mm, 45 mm, 50 mm, 55 mm, 60 mm, 65 mm, 70 mm, 75 mm, etc. When the number of plies c is large, the width k should also be large. When the number of plies c is small, the width k should be small accordingly.

[0058] Still as shown in FIG. 1 , as a preferred embodiment, in the connection area Q, the plies c in the first connection portion 1b and the second connection portion 2b of this embodiment are specifically spliced ​​one-to-one, and the seams f between adjacent plies c are staggered in the connection direction between the first component 1 and the second component 2.

[0059] In this way, it can be understood that by splicing the plies c in the two connecting parts one by one and staggering the seams f between adjacent plies c, not only can the staggered splicing between the two connecting parts be achieved, but it can also make the plies c in the two connecting parts contact better, thereby further ensuring the reliability of the connection between the first component 1 and the second component 2.

[0060] Of course, it should be noted that, in addition to the preferred method of splicing the plies c in the two connecting parts one by one, in actual implementation, based on the specific conditions such as the thickness of the plies c, it is also possible to stack two or another number of plies c in one of the connecting parts and then staggered-stitch with multiple plies c that are similarly stacked in the other connecting part.

[0061] In this embodiment, still referring to Figure 1 , as a preferred implementation, the width t of the seam f along the connection direction between the first component 1 and the second component 2 can generally be set to no greater than 1 mm. By setting the width t of the seam f, allowance is left for dimensional deformation of the plies c during curing, while also ensuring contact area between adjacent plies c, thereby further improving the connection reliability between the first component 1 and the second component 2.

[0062] During specific implementation, the width t of the seam f may be, for example, 0.5 mm, 0.8 mm or 1 mm, and generally, preferably, 1 mm.

[0063] In this embodiment, still referring to FIG. 1 , as a preferred implementation form, the distance L between the seams f between adjacent plies c in the connection direction between the first component 1 and the second component 2 may be set to be no less than 25 mm.

[0064] Thus, by setting the distance L between adjacent seams f, the effect of the position of the seams f on the connection strength between the staggered plies c can be reduced, while also facilitating improved connection reliability between the first component 1 and the second component 2. In specific implementations, the distance L can be, for example, 25 mm, 28 mm, 30 mm, 32 mm, 35 mm, or the like.

[0065] The specific preparation method of the vehicle body component of this embodiment can be further described in the following embodiment 2.

[0066] The body parts of this embodiment are connected together by interlacing and splicing the layers c in the connecting portion of the first part 1 and the second part 2 and then curing them together, thereby connecting the two parts. This can make the body parts made of composite materials achieve a seamless appearance at the connection position, thereby helping to enhance the visual refinement of the body parts and improve the appearance quality of the entire vehicle, and has good practicality. Example 2

[0067] This embodiment relates to a method for preparing a vehicle body component. The method is specifically used to prepare the vehicle body component in Example 1. Combined with the introduction in Example 1, the method of this embodiment includes the following steps.

[0068] Step s01: Separately forming a first component 1 and a second component 2, each having a body portion and a connecting portion.

[0069] As mentioned in Example 1, the first component 1 and the second component 2 are both made of composite materials and have a plurality of laminated layers c, and the laminated layers c in each main body portion are solidified together. At the same time, preferably, the first component 1 and the second component 2 can also be made of carbon fiber composite materials.

[0070] In addition, during the specific preparation process, when the first component 1 and the second component 2 are respectively formed, the ply c used to constitute the first component 1 and the second component 2 is laid out as required. In combination with Figures 1 and 2, in the first component 1 and the second component 2, the position of the ply c serving as the main body needs to be coated with resin during laying, while the position serving as the connecting portion is not coated with resin first.

[0071] Next, after isolating and protecting the ply c position, which serves as the connecting portion, the ply c position, which serves as the main body portion, can be cured using an autoclave process or HP-RTM (High Pressure-Resin Transfer Molding) process, completing the curing of the main body portions of the first component 1 and the second component 2. The connecting portion for connection is retained in both components, and the ply c at the connecting portion position remains in a layable state.

[0072] Step s02: placing the formed first component 1 and second component 2 in the mold 3, and after the plies c in the two connecting parts are staggered and spliced, the two connecting parts are cured and connected together.

[0073] In this step s02, specifically, still as mentioned in the first embodiment, from Figure 1 and in combination with Figure 3, preferably, the plies c in the connecting portion of the first component 1 and the second component 2 are spliced ​​one by one, and the seams f between adjacent plies c are staggered in the connecting direction of the first component 1 and the second component 2.

[0074] At the same time, similar to the cured main body, resin should also be applied to each of the spliced ​​plies c. After the plies c in the two connecting parts are staggered and spliced, this embodiment can further bake the two connecting parts through a heater 10 to accelerate the curing of the resin and achieve a solidified connection between the two connecting parts.

[0075] In addition, in step s02, the first component 1 and the second component 2 can generally be positioned on the mold 3 by a fixture, and the mold 3 is usually also provided with a contoured surface made corresponding to the appearance surface of the vehicle model component, so that after solidification at the connection area Q position, the desired appearance surface can be formed.

[0076] After positioning on the mold 3, the plies c are laid out sequentially according to the design, as shown in Figure 3 , ensuring that the plies c in the two connecting sections are aligned one-to-one, and the seams f between adjacent plies c are staggered in the direction of connection between the first component 1 and the second component 2. During laying, the width t of the seams f can generally be 1 mm, and the distance L between adjacent seams f can be set to no less than 25 mm. A layer of resin is then applied to each laid ply c.

[0077] After the assembly is complete, one side of each of the first and second components 1 and 2 is attached to the mold 3. In this embodiment, a vacuum bag 6 with an air nozzle 9 is placed on the other side of the first and second components 1 and 2, corresponding to the side attached to the mold 3. Sealing strips 4 are also installed between the main bodies of the first and second components 1 and 2, the mold 3, and the vacuum bag 6. The installation of these sealing strips 4 on both sides creates a sealed space at the connection area Q. After vacuuming with the air nozzle 9, the two connected parts can be baked and cured using a heater 10.

[0078] It's worth noting that, during vacuuming, the air nozzle 9 should be used to apply pressure to the sealing strip 4 on the side of the vacuum bag 6 to ensure a tight seal. While connecting the air nozzle 9 to the vacuum pump and performing vacuuming, the vacuum bag 6 should be continuously adjusted to maintain its flatness, and the gap between the vacuum bag 6 and the sealing strip 4 should be checked for leaks. Once the desired vacuum level is reached, the air nozzle 9 can be closed, stopping the vacuum pump.

[0079] As a preferred embodiment, this embodiment further includes an isolation mold 7 and a breathable patch 8 positioned sequentially along the side of the two connecting portions facing the vacuum bag 6. This isolation mold 7 and breathable patch 8 prevent the resin-coated plies c from adhering to the vacuum bag 6 and ensures effective curing of the two interlaced connecting portions during heating and baking. In practice, both the isolation mold 7 and breathable patch 8 can be conventional products used in the manufacture of carbon fiber composite components.

[0080] In addition, as a preferred embodiment, a release cloth 5 may be provided between the first and second components 1, 2, and the mold in this embodiment to facilitate separation of the connected first and second components 1, 2 from the mold 3 after curing. The heater 10 is preferably an infrared heater, and the heating temperature and duration of the heater, as well as the vacuum level during the vacuuming, can be selected based on, for example, the number of layers of the laminate c.

[0081] The method for preparing the body parts of this embodiment first forms a first part 1 and a second part 2 having a main body portion and a connecting portion, and then cross-stitches and connects the plies c in the connecting portion of the two parts by curing. This connects the two parts, and enables the body parts made of composite materials to achieve a seamless appearance at the connection position, thereby helping to enhance the visual refinement of the body parts and improve the appearance quality of the entire vehicle.

[0082] In addition, it should be pointed out that after the curing of the connection area Q between the first component 1 and the second component 2 is completed, it can be further polished and trimmed locally, and sprayed on the vehicle, so that the vehicle using the body parts prepared in this embodiment has better appearance quality. Example 3

[0083] This embodiment relates to a vehicle, in which the vehicle body component of the first embodiment is provided.

[0084] Among them, as mentioned in Example 1, in the vehicle of this embodiment, the above-mentioned body parts can be, for example, body exterior covering parts composed of side outer panels and roof outer panels. At the same time, in addition to being body exterior covering parts, the above-mentioned body parts can also be other parts in the vehicle made of composite materials, and the composite materials are preferably carbon fiber composite materials.

[0085] The vehicle of this embodiment adopts the body parts of Example 1, so that the body parts made of composite materials can achieve a seamless appearance at the connection positions, which helps to enhance the visual refinement of the body parts and improve the appearance quality of the entire vehicle.

[0086] The above are only preferred embodiments of the present disclosure and are not intended to limit the present disclosure. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present disclosure should be included in the scope of protection of the present disclosure.

Claims

1. A vehicle body component, characterized in that: The invention comprises a first component (1) and a second component (2) connected together, wherein the first component (1) and the second component (2) are both made of composite materials and have a plurality of laminated layers (c) arranged in a stacked manner, and the first component (1) and the second component (2) both have a connecting portion located in a connecting area (Q) therebetween, and a main body portion located outside the connecting portion; The plies (c) in each of the main body parts are cured together, and in the connection area (Q), the plies (c) in the two connection parts are staggered and spliced ​​and cured together.

2. The vehicle body component according to claim 1, characterized in that: The width k of each connecting portion along the connecting direction of the first component (1) and the second component (2) is between 25 and 75 mm.

3. The vehicle body component according to claim 1, characterized in that: In the connection area (Q), the plies (c) in the two connection parts are spliced ​​one by one, and the seams (f) between adjacent plies (c) are staggered in the connection direction of the first component (1) and the second component (2).

4. The vehicle body component according to claim 1, characterized in that: In the connection area (Q), a plurality of plies (c) in one of the connection parts are stacked and then staggered and spliced ​​with a plurality of plies (c) in another connection part that are similarly stacked.

5. The vehicle body component according to claim 3, characterized in that: The width t of the joint (f) along the connection direction of the first component (1) and the second component (2) is not greater than 1 mm; and / or, The distance L between the joints (f) between adjacent plies (c) in the connection direction between the first component (1) and the second component (2) is not less than 25 mm.

6. The vehicle body component according to any one of claims 1 to 5, characterized in that: The first component (1) and the second component (2) are both made of carbon fiber composite materials.

7. A method for preparing a vehicle body component, characterized in that: The preparation method comprises: Separately forming a first component (1) and a second component (2) each having a main body portion and a connecting portion, wherein the first component (1) and the second component (2) are both made of composite materials and have a plurality of laminated layers (c), and the laminated layers (c) in each of the main body portions are cured together; The molded first component (1) and the second component (2) are placed in a mold (3), and after the plies (c) in the two connecting parts are staggered and spliced, the two connecting parts are cured and connected together.

8. The method for preparing a vehicle body component according to claim 7, characterized in that: The first component (1) and the second component (2) are respectively formed to have a main body portion and a connecting portion, and include: Laying the plies (c) used to form the first component (1) and the second component (2) as required, wherein the positions of the plies (c) as the main body are coated with resin during laying, and the positions as the connecting parts are not coated with resin; The ply (c) position as the connection portion is isolated and protected, and the ply (c) position as the main body portion is cured by an autoclave process or an HP-RTM process.

9. The method for preparing a vehicle body component according to claim 7 or 8, characterized in that: The first component (1) and the second component (2) are both made of carbon fiber composite material; The plies (c) in the two connecting parts are spliced ​​one by one, the seams (f) between adjacent plies (c) are staggered in the connection direction of the first component (1) and the second component (2), and resin is applied on each of the plies (c) after splicing.

10. The method for preparing a vehicle body component according to claim 9, characterized in that: The two connection parts are connected by baking and curing through a heater (10).

11. The method for preparing a vehicle body component according to claim 10, characterized in that: The heater (10) is an infrared heater.

12. The method for preparing a vehicle body component according to claim 9, characterized in that: One side of each of the first component (1) and the second component (2) is attached to the mold (3), and a vacuum bag (6) with an air nozzle (9) is covered on the other side of the first component (1) and the second component (2); Sealing strips (4) are provided between the main body parts of the first component (1) and the second component (2) and the mold (3) and the vacuum bag (6), and after vacuuming through the air nozzle (9), the two connected parts after splicing are baked and cured.

13. The method for preparing a vehicle body component according to claim 12, characterized in that: An isolation mold (7) and a breathable sticker (8) are sequentially arranged on one side of the two connecting parts facing the vacuum bag (6) in a direction pointing toward the vacuum bag; and / or, A demoulding cloth (5) is provided between the first component (1) and the second component (2) and the mold.

14. A vehicle, characterized in that: The vehicle is provided with the vehicle body component according to any one of claims 1 to 6.

15. The vehicle according to claim 14, characterized in that: The vehicle body component is a vehicle body outer covering component, the first component (1) is a side outer panel, and the second component (2) is a roof outer panel.

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