Vehicle door assembly for vehicle and vehicle

By introducing hinges and limiting components into the trim panel assembly, the assembly and precise positioning of the trim panel and the door are simplified, solving the problem of the difficulty in matching the trim panel assembly with the door and improving assembly accuracy and appearance quality.

CN223982376UActive Publication Date: 2026-03-10CHERY INTELLIGENT VEHICLE TECH (HEFEI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

In the existing technology, matching the trim panel components with the car door is difficult and the assembly is complicated, which affects the assembly accuracy and appearance quality.

Method used

By introducing hinges into the trim panel assembly, the interior trim panel and the exterior trim panel are connected by hinges, the exterior trim panel can be folded, the assembly process is simplified, and precise positioning is ensured by limiting components.

Benefits of technology

This reduces the difficulty of assembling the trim panel components with the door body, improves assembly precision and appearance quality, and enhances the stability and reliability of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vehicle door assembly for a vehicle and the vehicle, the vehicle door assembly comprises a vehicle door body, and an outer mounting surface and an inner mounting surface are respectively formed on two sides of the vehicle door body in the thickness direction; an outer decorative plate and an inner decorative plate are formed on the decorative plate assembly, the outer decorative plate is matched with the outer mounting surface, and the inner decorative plate is matched with the inner mounting surface; wherein a hinge part for connecting the outer decoration plate and the inner decoration plate is formed on the decoration plate assembly, and the outer decoration plate is folded relative to the inner decoration plate through the hinge part. According to the vehicle door assembly, the inner decoration plate is connected with the outer decoration plate through the hinge part, so that the inner decoration plate and the outer decoration plate do not need to be connected in a positioning mode, the outer decoration plate is folded relative to the inner decoration plate through the hinge part, the assembling difficulty of the decoration plate assembly and the vehicle door body is lowered, and the assembling precision of the decoration plate assembly and the vehicle door body is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle, especially to a vehicle door assembly for vehicle and vehicle. BACKGROUND

[0002] In the related art, the trim panel assembly is mainly used for decoration and protection of the vehicle body. When the vehicle is running slowly and collides with an obstacle, the trim panel assembly can be in contact with the obstacle before the vehicle body, thereby preventing the vehicle body from being scratched and protecting the vehicle body. The trim panel assembly is composed of an inner trim panel and an outer trim panel. The inner trim panel and the outer trim panel need to be assembled with the inner panel and the outer panel of the vehicle door, respectively. Meanwhile, the inner trim panel and the outer trim panel also need to be positioned and connected. Therefore, it is difficult to match the trim panel assembly with the vehicle door. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems in the prior art. Therefore, one object of the utility model is to provide a vehicle door assembly for vehicle. The vehicle door assembly according to the utility model is connected by the hinge part of the inner trim panel and the outer trim panel, so that the inner trim panel and the outer trim panel do not need to be positioned and connected. The outer trim panel is folded relative to the inner trim panel through the hinge part, thereby reducing the assembly difficulty of the trim panel assembly and the vehicle door body and improving the assembly precision of the trim panel assembly and the vehicle door body.

[0004] The utility model further provides a vehicle with the above vehicle door assembly.

[0005] The vehicle door assembly for vehicle according to the utility model comprises a vehicle door body, an outer mounting surface and an inner mounting surface are formed on both sides of the vehicle door body in the thickness direction, a trim panel assembly is formed on the trim panel assembly, an outer trim panel and an inner trim panel are formed on the trim panel assembly, the outer trim panel is matched with the outer mounting surface, and the inner trim panel is matched with the inner mounting surface. A hinge part is formed on the trim panel assembly to connect the outer trim panel and the inner trim panel. The outer trim panel is folded relative to the inner trim panel through the hinge part.

[0006] The vehicle door assembly according to the utility model is assembled by connecting the outer trim panel with the outer mounting surface first, and then rotating the inner trim panel to a suitable position with the hinge part as the axis and connecting the inner trim panel with the inner mounting surface. Therefore, the assembly difficulty of the trim panel assembly and the vehicle door body is reduced, and the assembly effect of the trim panel assembly and the vehicle door body is improved.

[0007] According to some embodiments of the present invention, the hinge portion includes: a first plate, which is disposed on one side edge of the interior panel and extends in a direction away from the interior mounting surface; a second plate, which is disposed on the same side edge of the exterior panel and the interior panel and is directly opposite to and spaced apart from the first plate; and a connecting plate, which is connected to the first plate and the second plate respectively, wherein the thickness of the connecting plate is less than the thickness of the first plate and the second plate, and the connecting plate can be selectively bent relative to the first plate or the second plate to cause the exterior panel to fold relative to the interior panel.

[0008] According to some embodiments of the present invention, the connecting plate has a bent portion recessed toward the door body, the bent portion has a bending point, and the outer trim panel is adapted to fold relative to the interior trim panel around the bending point.

[0009] According to some embodiments of the present invention, at least a portion of the connecting plates gradually increase in thickness in the direction from the bent portion toward the interior trim panel, and at least another portion of the connecting plates gradually increase in thickness in the direction from the bent portion toward the exterior trim panel.

[0010] According to some embodiments of the present invention, the first plate, the second plate, the connecting plate, the interior panel, and the exterior panel are constructed as an integral structure.

[0011] According to some embodiments of the present invention, a first mating portion is formed on the inner mounting surface, and a second mating portion is formed on the outer mounting surface; the door assembly further includes: a first limiting member, the first limiting member being disposed on the side of the interior panel facing the inner mounting surface, the first limiting member having a first limiting portion that mates with the first mating portion to restrict the movement of the interior panel relative to the door body; and a second limiting member, the second limiting member being disposed on the side of the exterior panel facing the outer mounting surface, the second limiting member having a second limiting portion that mates with the second mating portion to restrict the movement of the exterior panel relative to the door body.

[0012] According to some embodiments of the present invention, one of the first mating portion and the first limiting portion is configured as a first mounting hole, and the other of the first mating portion and the first limiting portion is configured as a first buckle. At least a portion of the first buckle is adapted to pass through the first mounting hole, and at least another portion of the first buckle is adapted to abut against the inner mounting surface to restrict the movement of the interior trim panel relative to the door body. One of the second mating portion and the second limiting portion is configured as a second mounting hole, and the other of the second mating portion and the second limiting portion is configured as a second buckle. At least a portion of the second buckle is adapted to pass through the second mounting hole, and at least another portion of the second buckle is adapted to abut against the outer mounting surface to restrict the movement of the outer trim panel relative to the door body.

[0013] According to some embodiments of the present invention, the first buckle has a first deformation hole that extends along the inner mounting surface toward the interior trim panel and penetrates through in the thickness direction, and the second buckle has a second deformation hole that extends along the outer mounting surface toward the exterior trim panel and penetrates through in the thickness direction.

[0014] According to some embodiments of the present invention, the outer trim panel has reinforcing ribs extending toward the outer mounting surface.

[0015] The vehicle according to this utility model is briefly described below.

[0016] The vehicle according to this utility model is equipped with a door assembly as described in any of the above embodiments. Since the vehicle according to this utility model is equipped with a door assembly as described in any of the above embodiments, the door appearance assembly precision of the vehicle according to this application is higher, thus improving the appearance quality of the vehicle.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram illustrating the interaction between a trim panel assembly and a car door body according to an embodiment of the present invention;

[0020] Figure 2 This is a side view of a car door body according to an embodiment of the present utility model;

[0021] Figure 3 This is a schematic diagram illustrating the cooperation between an interior trim panel and an exterior trim panel according to an embodiment of the present utility model;

[0022] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0023] Figure label:

[0024] 100. Door assembly;

[0025] 1. Door body; 11. Inner mounting surface; 12. Outer mounting surface;

[0026] 21. Interior trim panel; 22. Exterior trim panel;

[0027] 211. First plate; 212. Second plate; 213. Connecting plate;

[0028] 31. Second buckle; 32. Bend. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] The trim panel assembly is mainly used for decoration and to protect the car body. When a car is traveling at low speed and a collision occurs, the trim panel assembly can make contact with the obstacle before the car body, preventing the car body from being scratched and thus playing a protective role. The trim panel assembly consists of interior panels and exterior panels. The interior panels and exterior panels need to be assembled with the inner and outer panels of the door, respectively. At the same time, the interior panels and exterior panels also need to be positioned and connected. Matching the trim panel assembly with the door is quite difficult.

[0031] The following is for reference. Figures 1-4 Description of a door assembly 100 according to an embodiment of the present utility model.

[0032] According to the present invention, a vehicle door assembly 100 includes: a door body 1 and a trim panel assembly. The door body 1 has an outer mounting surface 12 and an inner mounting surface 11 formed on both sides in the thickness direction. An outer trim panel 22 and an inner trim panel 21 are formed on the trim panel assembly. The outer trim panel 22 cooperates with the outer mounting surface 12, and the inner trim panel 21 cooperates with the inner mounting surface 11. The trim panel assembly has a hinge portion that connects the outer trim panel 22 and the inner trim panel 21. The outer trim panel 22 is folded relative to the inner trim panel 21 through the hinge portion.

[0033] In some specific embodiments, the door assembly 100 consists of a door body 1 and a trim panel assembly. The door body 1 has an inner mounting surface 11 facing the passenger compartment and an outer mounting surface 12 facing the exterior of the vehicle body. The trim panel assembly contains an interior trim panel 21 and an exterior trim panel 22. The interior trim panel 21 covers the inner mounting surface 11, and the exterior trim panel 22 covers the outer mounting surface 12 to improve the appearance quality of the door body 1 and provide some protection for the door body 1. The interior trim panel 21 and the exterior trim panel 22 are connected by a hinge, so that the interior trim panel 21 can be folded relative to the exterior trim panel 22 by the hinge or the exterior trim panel 22 can be folded relative to the interior trim panel 21 by the hinge. When the trim panel assembly is assembled with the door body 1, the exterior trim panel 22 is first connected to the outer mounting surface 12, and then the interior trim panel 21 is rotated to a suitable position around the hinge to connect with the inner mounting surface 11. This reduces the assembly difficulty of the trim panel assembly and the door body 1 and improves the assembly effect of the trim panel assembly and the door body 1.

[0034] According to this utility model, when assembling the trim panel assembly with the door body 1, the outer trim panel 22 is first connected to the outer mounting surface 12, and then the inner trim panel 21 is rotated to a suitable position around the hinge portion and connected to the inner mounting surface 11. This reduces the assembly difficulty of the trim panel assembly and the door body 1 and improves the assembly effect of the trim panel assembly and the door body 1.

[0035] According to some embodiments of the present invention, the hinge portion includes: a first plate 211, a second plate 212, and a connecting plate 213. The first plate 211 is disposed on one side edge of the interior panel 21 and extends in a direction away from the inner mounting surface 11. The second plate 212 is disposed on the same side edge of the exterior panel 22 and the interior panel 21 and is opposite to and spaced apart from the first plate 211. The connecting plate 213 is connected to the first plate 211 and the second plate 212 respectively. The thickness of the connecting plate 213 is less than the thickness of the first plate 211 and the second plate 212. The connecting plate 213 can be selectively bent relative to the first plate 211 or the second plate 212 to make the exterior panel 22 fold relative to the interior panel 21.

[0036] In some specific embodiments, the hinge portion consists of a first plate 211, a second plate 212, and a connecting plate 213. The first plate 211 is disposed on one side edge of the interior trim panel 21, extending in a direction away from the interior mounting surface 11. The first plate 211 can serve as a fixing point of the hinge portion connected to the interior trim panel 21, and simultaneously provides a support point for the connecting plate 213. The second plate 212 is disposed on the same side edge of the exterior trim panel 22 and the interior trim panel 21, and is directly opposite to and spaced apart from the first plate 211. The second plate 212 can serve as another fixing point of the hinge portion connected to the exterior trim panel 22, and simultaneously provides another support point for the connecting plate 213. The support point, the connecting plate 213 is connected to the first plate 211 and the second plate 212 respectively. The thickness of the connecting plate 213 is less than the thickness of the first plate 211 and the second plate 212. Due to its thinner design, the connecting plate 213 has better flexibility and can bend and deform when subjected to external force. When the trim panel assembly needs to be folded, the connecting plate 213 can be bent relative to the first plate 211 or the second plate 212, thereby allowing the outer trim panel 22 to be folded relative to the inner trim panel 21 around the connecting plate 213, or the inner trim panel 21 to be folded relative to the outer trim panel 22 around the connecting plate 213, thereby making it easier to connect the trim panel assembly to the door body 1.

[0037] According to some embodiments of this utility model, a bent portion 32 is formed on the connecting plate 213, which is recessed toward the door body 1. A bending point is formed on the bent portion 32. The outer trim panel 22 is adapted to fold around the bending point relative to the interior trim panel 21. The bent portion 32 is a specific area on the connecting plate 213. It is designed to bend and deform to realize the rotational movement of the outer trim panel 22 relative to the interior trim panel 21. The bent portion 32 is usually formed by creating a groove or thinning the connecting plate 213. This design makes this area the most easily bent part of the entire structure. The bending point refers to a specific point in the bent portion 32. It is the center point around which the outer trim panel 22 rotates. When the outer trim panel 22 is folded, the bending point acts like an axis, ensuring the smoothness and controllability of the folding action.

[0038] According to some embodiments of the present invention, at least a portion of the connecting plate 213 gradually increases in thickness in the direction from the bending portion 32 toward the interior panel 21, and at least another portion of the connecting plate 213 gradually increases in thickness in the direction from the bending portion 32 toward the exterior panel 22. The bending portion 32 is the part of the connecting plate 213 most susceptible to stress concentration. By increasing the thickness near the bending portion 32, the fatigue resistance and structural strength of this area can be improved, and damage caused by repeated folding can be reduced. As the connecting plate 213 gradually thickens from the bending portion 32 toward the interior panel 21 or the exterior panel 22, it can provide more stable support for the panel, ensuring that the panel can fit tightly against the door body 1 in the closed state and maintain good rigidity when opened.

[0039] According to some embodiments of this utility model, the first plate 211, the second plate 212, the connecting plate 213, the interior panel 21, and the exterior panel 22 are constructed as an integrated structure. On the one hand, since the first plate 211, the second plate 212, the connecting plate 213, the interior panel 21, and the exterior panel 22 are integrated into a whole, when the trim panel assembly is installed with the door body 1, it is only necessary to fix this integrated assembly to the door body 1, which greatly simplifies the assembly process and assembly difficulty, and improves the assembly effect and efficiency of the trim panel assembly and the door body 1. On the other hand, the integrated structure of the first plate 211, the second plate 212, the connecting plate 213, the interior panel 21, and the exterior panel 22 can usually provide a smoother and seamless surface for the trim panel assembly, improving the appearance quality and visual effect of the trim panel assembly. In addition, the integrated structure eliminates the connection points between the various parts of the trim panel assembly, reduces potential weaknesses, and thus improves the overall strength and rigidity of the trim panel assembly.

[0040] According to some embodiments of the present invention, a first mating portion is formed on the inner mounting surface 11, and a second mating portion is formed on the outer mounting surface 12; the door assembly 100 further includes: a first limiting member and a second limiting member, the first limiting member being disposed on the side of the interior panel 21 facing the inner mounting surface 11, and the first limiting member having a first limiting portion that mates with the first mating portion to restrict the movement of the interior panel 21 relative to the door body 1; the second limiting member being disposed on the side of the exterior panel 22 facing the outer mounting surface 12, and the second limiting member having a second mating portion that mates with the second mating portion. The second limiting part restricts the movement of the exterior trim panel 22 relative to the door body 1. Through the interaction between the first limiting member and the first mating part, and the second limiting member and the second mating part, the interior trim panel 21 and the exterior trim panel 22 can be precisely fixed in the predetermined position, ensuring the consistency of appearance and normal operation of function. Even if the vehicle is subjected to vibration or impact during driving, the first limiting member and the second limiting member can effectively prevent the trim panel assembly from moving or falling off unnecessarily, further improving the stability and reliability of the connection between the trim panel assembly and the door body 1.

[0041] 7. According to some embodiments of the present invention, one of the first mating part and the first limiting part is a first mounting hole, and the other of the first mating part and the first limiting part is a first buckle. At least a portion of the first buckle is adapted to pass through the first mounting hole, and at least another portion of the first buckle is adapted to abut against the inner mounting surface 11 to restrict the movement of the interior trim panel 21 relative to the door body 1; one of the second mating part and the second limiting part is a second mounting hole, and the other of the second mating part and the second limiting part is a second buckle 31. At least a portion of the second buckle 31 is adapted to pass through the second mounting hole, and at least another portion of the second buckle 31 is adapted to abut against the outer mounting surface 12 to restrict the movement of the outer trim panel 22 relative to the door body 1.

[0042] In some specific embodiments, the first mating part can be configured as a first mounting hole, which is located on the inner mounting surface 11 of the door body 1. The first limiting member can be configured as a first buckle, which is fixed on the side of the interior panel 21 facing the inner mounting surface 11. When the interior panel 21 is pushed toward the door body 1, at least part of the first buckle will pass through the first mounting hole. After the first buckle passes through the first mounting hole, part of the first buckle will expand due to its own elasticity, so that it is tightly attached to the back of the inner mounting surface 11, thereby preventing the first buckle from coming out of the first mounting hole. At least another part of the first buckle will fit against the inner mounting surface 11 to restrict the movement of the interior panel 21 relative to the door body 1, thereby improving the stability and reliability of the connection between the interior panel 21 and the door body 1.

[0043] The second mating part can be configured as a second mounting hole, which is located on the outer mounting surface 12 of the door body 1. The second limiting member can be configured as a second buckle 31, which is fixed to the side of the exterior panel 22 facing the outer mounting surface 12. When the exterior panel 22 is pushed toward the door body 1, at least part of the second buckle 31 will pass through the second mounting hole. After the second buckle 31 passes through the second mounting hole, part of the second buckle 31 will expand due to its own elasticity, so that it is tightly attached to the back of the outer mounting surface 12, thereby preventing the second buckle 31 from coming out of the second mounting hole. At least another part of the second buckle 31 will fit against the outer mounting surface 12 to restrict the movement of the exterior panel 22 relative to the door body 1, thereby improving the stability and reliability of the connection between the exterior panel 22 and the door body 1.

[0044] According to some embodiments of this utility model, a first deformation hole is formed on the first buckle, extending along the inner mounting surface 11 toward the interior panel 21 and penetrating through in the thickness direction. A second deformation hole is formed on the second buckle 31, extending along the outer mounting surface 12 toward the exterior panel 22 and penetrating through in the thickness direction. The first deformation hole and the second deformation hole enable the first buckle and the second buckle 31 to undergo a certain elastic deformation when they are installed into the corresponding mounting holes. This elasticity makes it easier for the first buckle and the second buckle 31 to pass through the corresponding mounting holes, reducing the required assembly force and improving the assembly efficiency of the exterior panel 22 and the interior panel 21 with the door body 1. After the first buckle and the second buckle 31 pass through the corresponding mounting holes, the deformation holes on them allow the buckle material to expand locally. The first buckle and the second buckle 31 can return to their original shape and be firmly fixed in place, thereby enhancing the friction between the buckle and the inner wall of the mounting hole and improving the stability and reliability of the connection between the interior panel 21 and the door body 1, and between the exterior panel 22 and the door body 1.

[0045] Furthermore, when the interior trim panel 21 and exterior trim panel 22 need to be replaced or repaired, the first deformation hole and the second deformation hole can also slightly deform the clips, thereby simplifying the disassembly process of the interior trim panel 21 and exterior trim panel 22, without damaging the first clip and the second clip 31 themselves or the surrounding structure.

[0046] According to some embodiments of the present invention, the outer trim panel 22 is provided with reinforcing ribs extending toward the outer mounting surface 12. The reinforcing ribs can significantly improve the rigidity of the outer trim panel 22 and prevent the outer trim panel 22 from deforming due to external forces (such as collisions or compression). At the same time, the reinforcing ribs can also provide additional support, which helps to maintain the flatness of the outer surface of the outer trim panel 22, thereby improving the appearance quality of the door. When subjected to impact, the reinforcing ribs can distribute the force evenly to the entire outer trim panel 22, avoiding damage caused by localized concentrated force, and improving the stability and reliability of the vehicle during operation.

[0047] The vehicle according to this utility model is briefly described below.

[0048] The vehicle according to this utility model is provided with the door assembly 100 described in any of the above embodiments. Since the vehicle according to this utility model is provided with the door assembly 100 described in any of the above embodiments, the door appearance assembly precision of the vehicle according to this application is higher, thus improving the appearance quality of the vehicle.

[0049] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0050] In the description of this utility model, "first feature" and "second feature" may include one or more of the features. In the description of this utility model, "multiple" means two or more.

[0051] In the description of this utility model, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or it may include the first and second features not being in direct contact but being in contact through another feature between them.

[0052] In the description of this utility model, the terms "above", "over" and "on top" for the first feature and the second feature include the first feature being directly above or diagonally above the second feature, or simply indicate that the first feature is at a higher horizontal level than the second feature.

[0053] In the description of this specification, references to the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example that is included in at least one embodiment or example of the present invention.

[0054] In this specification, the illustrative expressions of the terms used do not necessarily refer to the same embodiments or examples. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0055] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A door assembly for a vehicle, characterized by, The application relates to a door assembly, comprising: a door body (1) provided with an outer mounting surface (12) and an inner mounting surface (11) on two sides in the thickness direction; a trim assembly provided with an outer trim (22) and an inner trim (21), the outer trim (22) being matched with the outer mounting surface (12), and the inner trim (21) being matched with the inner mounting surface (11); wherein the trim assembly is provided with a hinge part connecting the outer trim (22) and the inner trim (21), the outer trim (22) being folded relative to the inner trim (21) through the hinge part; the hinge part comprises: a first plate (211) arranged at one side edge of the inner trim (21) and extending away from the inner mounting surface (11); a second plate (212) arranged at the same side edge of the outer trim (22) and the inner trim (21) and opposite to the first plate (211) and arranged in a spaced mode; a connecting plate (213) connected with the first plate (211) and the second plate (212), wherein the thickness of the connecting plate (213) is smaller than the thickness of the first plate (211) and the second plate (212), the connecting plate (213) being selectively bent relative to the first plate (211) or the second plate (212) so that the outer trim (22) is folded relative to the inner trim (21); the connecting plate (213) is provided with a bending part (32) recessed towards the door body (1), the bending part (32) is provided with a bending point, and the outer trim (22) is adapted to be folded relative to the inner trim (21) around the bending point.

2. The door assembly for a vehicle of claim 1, wherein, At least part of the connecting plate (213) gradually increases in thickness in the direction from the bending part (32) to the inner trim (21), and at least another part of the connecting plate (213) gradually increases in thickness in the direction from the bending part (32) to the outer trim (22).

3. The door assembly for a vehicle of claim 1, wherein, The first plate (211), the second plate (212), the connecting plate (213), the inner trim (21) and the outer trim (22) are configured as an integrated structure.

4. The door assembly for a vehicle of claim 1, wherein, The inner mounting surface (11) is provided with a first matching part, and the outer mounting surface (12) is provided with a second matching part; the door assembly further comprises: a first limiting part arranged at one side of the inner trim (21) towards the inner mounting surface (11), the first limiting part being provided with a first limiting part matched with the first matching part so as to limit the movement of the inner trim (21) relative to the door body (1); a second limiting part arranged at one side of the outer trim (22) towards the outer mounting surface (12), the second limiting part being provided with a second limiting part matched with the second matching part so as to limit the movement of the outer trim (22) relative to the door body (1).

5. The door assembly for a vehicle of claim 4, wherein, One of the first engaging portion and the first limiting portion is configured as a first mounting hole, and the other of the first engaging portion and the first limiting portion is configured as a first clasp, at least a portion of the first clasp being adapted to pass through the first mounting hole, and at least another portion of the first clasp being adapted to abut against the inner mounting surface (11) to limit the movement of the inner trim panel (21) relative to the door body (1); One of the second engaging portion and the second limiting portion is configured as a second mounting hole, and the other of the second engaging portion and the second limiting portion is configured as a second clasp (31), at least a portion of the second clasp (31) being adapted to pass through the second mounting hole, and at least another portion of the second clasp (31) being adapted to abut against the outer mounting surface (12) to limit the movement of the outer trim panel (22) relative to the door body (1).

6. The door assembly for a vehicle of claim 5, wherein, A first deformation hole is formed on the first clasp and extends along the inner mounting surface (11) towards the inner trim panel (21) and penetrates through in the thickness direction, and a second deformation hole is formed on the second clasp (31) and extends along the outer mounting surface (12) towards the outer trim panel (22) and penetrates through in the thickness direction.

7. The door assembly for a vehicle of claim 1, wherein, A reinforcing rib extending towards the outer mounting surface (12) is formed on the outer trim panel (22).

8. A vehicle characterized by comprising: The door assembly comprises the door assembly according to any one of claims 1-7.