New energy automobile back door c pillar protection film
Patent Information
- Application Number
- CN202522708535.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-22
- Publication Date
- 2026-10-30
- Estimated Expiration
- 2035-12-22
AI Technical Summary
[0002]在现有的新能源汽车后门C柱在进行保护膜粘贴的过程中，采用大块的保护膜，直接包覆的方法，由于汽车后门C柱的形状比较特殊，现有大块的新能源汽车后门C柱保护膜没有办法很好的包覆住新能源汽车后门C柱，在包覆的过程中由于新能源汽车后门C柱的角度关系没有办法包覆服帖，导致整块保护膜报废了，提高了保护膜的浪费，降低了包覆速度，降低了包覆保护膜的效率
[0014]本实用新型同现有技术相比，采用了在新能源汽车后门C柱保护膜的下方设置底膜；在底膜的上方黏合黏合膜的一侧；在黏合膜的另一侧黏合保护膜的一侧；底膜、黏合膜与保护膜的形状、大小均设置一致；在保护膜的左下方设置一个以63°为角度，边长分别为72.9mm和143.1mm的第一锐角，这样的结构就能很好的包覆住新能源汽车后门C柱，解决了在现有的新能源汽车后门C柱在进行保护膜粘贴的过程中，采用大块的保护膜，直接包覆的方法，由于汽车后门C柱的形状比较特殊，现有大块的新能源汽车后门C柱保护膜没有办法很好的包覆住新能源汽车后门C柱，在包覆的过程中由于新能源汽车后门C柱的角度关系没有办法包覆服帖，导致整块保护膜报废的技术问题，减小了浪费，提高了包覆速度，提高了效率。
Smart Images
Figure CN224917710U_ABST
Abstract
Description
Technical Field
[0001] The embodiments of this utility model relate to a protective film, and more particularly to a protective film for the C-pillar of the rear door of a new energy vehicle. Background Technology
[0002] In the current process of applying protective film to the C-pillar of the rear door of new energy vehicles, a large piece of protective film is used for direct wrapping. However, due to the special shape of the C-pillar, the existing large pieces of protective film cannot cover the C-pillar of new energy vehicles well. During the wrapping process, the angle of the C-pillar makes it impossible to wrap the film properly, resulting in the entire protective film being wasted. This increases the waste of protective film, reduces the wrapping speed, and decreases the efficiency of the protective film wrapping process. Utility Model Content
[0003] The purpose of this utility model is to provide a protective film for the rear C-pillar of a new energy vehicle that can cover the angle of the rear C-pillar.
[0004] To achieve the above objectives, this utility model provides a protective film for the C-pillar of the rear door of a new energy vehicle, comprising: Bottom film; The bottom film is installed below the protective film on the C-pillar of the rear door of the new energy vehicle; An adhesive film is bonded to one side of the base film; A protective film is attached to one side of the adhesive film on the other side; the base film, the adhesive film, and the protective film are all configured to have the same shape and size. A first acute angle with an angle of 63° and side lengths of 72.9 mm and 143.1 mm is provided on the lower left side of the protective film.
[0005] Furthermore, in the C-pillar protective film for the rear door of the new energy vehicle described in this utility model, a side of a second acute angle of 120.4° is connected to one side of the first acute angle; a side of an arc with a radius of 113.3mm is connected to the other side of the first acute angle; a side of a third acute angle of 76° is connected to the other end of the arc; a straight line with a length of 365.1mm is connected to the other side of the second acute angle; and the other side of the third acute angle intersects and connects with the straight line to form a fourth acute angle of 70.8°.
[0006] Furthermore, in the protective film for the C-pillar of the rear door of the new energy vehicle described in this utility model, the thickness of the bottom film is 0.5-0.6mm.
[0007] Furthermore, in the new energy vehicle rear door C-pillar protective film described in this utility model, the material of the bottom film is PP film.
[0008] Furthermore, in the protective film for the C-pillar of the rear door of the new energy vehicle described in this utility model, the thickness of the adhesive film is 0.1mm-0.2mm.
[0009] Furthermore, in the protective film for the rear door C-pillar of the new energy vehicle described in this utility model, the adhesive film is a solid adhesive film.
[0010] Furthermore, in the protective film for the C-pillar of the rear door of the new energy vehicle described in this utility model, the material of the protective film is PET material.
[0011] Furthermore, in the protective film for the C-pillar of the rear door of the new energy vehicle described in this utility model, the thickness of the protective film is 0.5mm-1mm.
[0012] Furthermore, in the new energy vehicle rear door C-pillar protective film of this utility model, a first tear-out is provided at the lower right side of the new energy vehicle rear door C-pillar protective film.
[0013] Furthermore, in the new energy vehicle rear door C-pillar protective film of this utility model, a second tear opening is provided in the upper left corner of the new energy vehicle rear door C-pillar protective film.
[0014] Compared with existing technologies, this utility model adopts a method of setting a base film below the protective film for the C-pillar of the rear door of new energy vehicles; adhering one side of an adhesive film above the base film; and adhering one side of the protective film to the other side of the adhesive film. The base film, adhesive film, and protective film are all set to have the same shape and size. A first acute angle with an angle of 63° and side lengths of 72.9mm and 143.1mm respectively is set at the lower left of the protective film. This structure can effectively cover the C-pillar of the rear door of new energy vehicles, solving the technical problem that in the existing method of applying protective film to the C-pillar of the rear door of new energy vehicles, a large piece of protective film is used for direct wrapping. Due to the special shape of the C-pillar of the rear door, the existing large pieces of protective film cannot cover the C-pillar of new energy vehicles well, and the angle of the C-pillar of the rear door cannot be properly wrapped during the wrapping process, resulting in the entire protective film being scrapped. This reduces waste, increases wrapping speed, and improves efficiency. Attached Figure Description
[0015] Figure 1 This is a structural schematic diagram of the present invention from the main view direction; Figure 2 for Figure 1 A top-down view. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this utility model to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.
[0017] The embodiments of this utility model relate to a protective film for the C-pillar of the rear door of a new energy vehicle, such as... Figure 1 and Figure 2 As shown, it includes: In this embodiment, a base film 1 is provided below the protective film on the C-pillar of the rear door of the new energy vehicle; the base film 1 plays a protective role before the protective film on the C-pillar of the rear door of the new energy vehicle is used.
[0018] One side of the adhesive film 2 is adhered above the base film 1; the adhesive film 2 mainly serves the function of adhesion.
[0019] On the other side of the adhesive film 2, the protective film 3 is adhered to one side; the bottom film 1, adhesive film 2 and protective film 3 are all set to be the same in shape and size; the protective film 3 is used to protect the C-pillar of the rear door of the new energy vehicle.
[0020] A first acute angle 4 with an angle of 63° and side lengths of 72.9 mm and 143.1 mm is set at the lower left of the protective film 3.
[0021] In this embodiment, the protective film for the C-pillar of the rear door of a new energy vehicle utilizes the first acute angle 4 to effectively cover the C-pillar. This solves the technical problem that existing methods of applying protective film to the C-pillar of a new energy vehicle, which use large pieces of protective film for direct wrapping, fail to adequately cover the C-pillar due to its unique shape. Furthermore, the film's angle during wrapping prevents it from fitting properly, leading to the waste of the entire protective film. This method reduces waste, increases wrapping speed, and improves efficiency.
[0022] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2As shown, a side of a second acute angle 5 with a radius of 120.4° is connected to one side of the first acute angle 4; one end of an arc 6 with a radius of 113.3mm is connected to the other side of the first acute angle 4; one side of a third acute angle 7 with a radius of 76° is connected to the other end of the arc 6; the other side of the second acute angle 5 is connected to a straight line 8 with a length of 365.1mm; the other side of the third acute angle 7 intersects and connects with the straight line 8, forming a fourth acute angle 9 with a radius of 70.8°. This structure can cover the C-pillar of the rear door of the new energy vehicle in this embodiment, solving the problem of applying protective film to the existing C-pillar of the rear door of new energy vehicles.
[0023] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2 As shown, the thickness of the base film 1 is 0.5-0.6 mm.
[0024] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2 As shown, the material of the bottom film 1 is PP film.
[0025] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2 As shown, the thickness of the adhesive film 2 is 0.1mm-0.2mm.
[0026] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2 As shown, adhesive film 2 is a solid adhesive film. The aforementioned adhesive film 2 enables the C-pillar protective film for the rear door of the new energy vehicle in this embodiment to achieve the best implementation effect.
[0027] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2 As shown, the protective film 3 is made of PET material.
[0028] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2 As shown, the thickness of the protective film 3 is 0.5mm-1mm. Similarly, the structure of the protective film 3 described above enables the protective film on the rear door C-pillar of the new energy vehicle in this embodiment to achieve the best implementation effect.
[0029] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2As shown, in this embodiment, a first tear 10 is provided at the lower right of the protective film on the C-pillar of the rear door of the new energy vehicle.
[0030] To achieve the aforementioned technical effects, the C-pillar protective film for the rear door of the new energy vehicle in this embodiment, such as... Figure 1 and Figure 2 As shown, a second tear 11 is provided at the upper left of the C-pillar protective film on the rear door of the new energy vehicle in this embodiment. The first tear 10 and the second tear 11 are mainly for better separation of the protective film 3 from the C-pillar protective film on the rear door of the new energy vehicle in this embodiment, and for better adhesion of the protective film 3.
[0031] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present invention.
Claims
1. A protective film for the C-pillar of the rear door of a new energy vehicle, characterized in that, include: Base film; The bottom film is installed below the protective film on the C-pillar of the rear door of the new energy vehicle; An adhesive film is bonded to one side of the base film; A protective film is attached to one side of the adhesive film on the other side; the base film, the adhesive film, and the protective film are all configured to have the same shape and size. A first acute angle with an angle of 63° and side lengths of 72.9 mm and 143.1 mm is provided on the lower left side of the protective film.
2. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 1, characterized in that, Connect one side of a second acute angle of 120.4° to one side of the first acute angle; connect one end of an arc with a radius of 113.3 mm to the other side of the first acute angle; connect one side of a third acute angle of 76° to the other end of the arc; connect the other side of the second acute angle to a straight line with a length of 365.1 mm; the other side of the third acute angle intersects and connects with the straight line to form a fourth acute angle of 70.8°.
3. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 1, characterized in that, The thickness of the base film is 0.5-0.6 mm.
4. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 3, characterized in that, The material of the bottom film is PP film.
5. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 1, characterized in that, The thickness of the adhesive film is 0.1mm-0.2mm.
6. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 5, characterized in that, The adhesive film is a solid adhesive film.
7. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 1, characterized in that, The protective film is made of PET material.
8. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 7, characterized in that, The thickness of the protective film is 0.5mm-1mm.
9. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 1, characterized in that, A first tear is provided at the lower right of the protective film on the C-pillar of the rear door of the new energy vehicle.
10. The protective film for the C-pillar of the rear door of a new energy vehicle according to claim 1, characterized in that, A second tear opening is provided on the upper left side of the protective film on the C-pillar of the rear door of the new energy vehicle.