Vehicle door assembly and vehicle with same

Abstract

The utility model provides a vehicle door assembly and a vehicle with the same, and relates to the technical field of vehicles. The vehicle door assembly comprises a hinge pin shaft assembly, the hinge pin shaft assembly is used for being connected with a vehicle door outer plate and a side wall outer plate, the hinge pin shaft assembly has a first state for closing the vehicle door outer plate and a second state for completely opening the vehicle door outer plate, and the hinge pin shaft assembly is provided with a flow guide face; when the hinge pin shaft assembly is in the first state, the flow guide face is located on the outer side of the side wall outer plate in the width direction of the vehicle, and the flow guide face is located on one side of the vehicle door outer plate. According to the technical scheme, in the running process of the vehicle, airflow moving to the vehicle door from the front of the vehicle is guided through the flow guide face, the airflow can be prevented from generating vortexes at the hinge pin shaft assembly, and therefore resistance of the airflow to a vehicle body is reduced, and the aerodynamic performance of the vehicle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, specifically, relate to a vehicle door assembly and vehicle with it. BACKGROUND

[0002] Vehicle door assembly is usually connected with door outer plate and side outer plate through hinge pin shaft assembly. In prior art, tail door outer plate is connected with side outer plate through side hinge on side outer plate, but the round pin shaft of side hinge directly protrudes from normal surface, forms surface difference and forms external leakage trace, which not only affects appearance, but also affects aerodynamic performance during driving.

[0003] For the above problems, no effective solution has been proposed. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a vehicle door assembly and vehicle with it, to solve the hinge pin shaft of prior art influence vehicle aerodynamic performance problem.

[0005] In order to realize the above purpose, according to one aspect of the utility model, a vehicle door assembly is provided, comprising: hinge pin shaft assembly, hinge pin shaft assembly is used for being connected with door outer plate and side outer plate, hinge pin shaft assembly has the first state of closing door outer plate, and hinge pin shaft assembly has the second state of completely opening door outer plate, hinge pin shaft assembly is provided with flow guide surface, when hinge pin shaft assembly is in the first state, along the width direction of vehicle, flow guide surface is located on the outside of side outer plate, and flow guide surface is located on one side of door outer plate.

[0006] Further, at least part of the profile of flow guide surface along the length direction of vehicle is straight line or arc line.

[0007] Further, the vehicle door assembly further comprises: hinge cover, hinge cover is connected with side outer plate, and at least part of hinge cover is located on the side of hinge pin shaft assembly away from door outer plate along the length direction of vehicle, wherein, when hinge pin shaft assembly is in the first state, the farthest distance between hinge cover and side outer plate is greater than or equal to the farthest distance between flow guide surface and side outer plate.

[0008] Further, the accommodation cavity is formed between the side of hinge cover towards side outer plate and side outer plate, and the avoiding space is formed between the part of side wall of hinge cover towards door outer plate and door outer plate, wherein, part of hinge pin shaft assembly is located in the accommodation cavity, and flow guide surface is located in the avoiding space.

[0009] Further, flow guide surface is plane.

[0010] Further, the hinge pin shaft assembly comprises: a rotating shaft, the rotating shaft comprises a first connecting section and a second connecting section arranged at both ends of the first connecting section; a hinge base leaf, the hinge base leaf has a base end connected with the side outer plate, and the hinge base leaf has a first connecting end for rotationally connecting with the second connecting section; a hinge movable leaf, the hinge movable leaf has a movable end connected with the door outer plate, and the hinge movable leaf has a second connecting end connected with the first connecting section; wherein, when the hinge pin shaft assembly is in the first state, along the width direction of the vehicle, the side surface of the first connecting end away from the side outer plate and the side surface of the second connecting end away from the side outer plate form a flow guide surface.

[0011] Further, along the length direction of the vehicle, the side surface of the first connecting end away from the side outer plate and the side surface of the second connecting end away from the side outer plate are arranged in the same profile curve.

[0012] Further, when the hinge pin shaft assembly is in the second state, the door outer plate is arranged away from the hinge cover.

[0013] Further, the included angle between the door outer plate when the hinge pin shaft assembly is in the first state and the door outer plate when the hinge pin shaft assembly is in the second state is α, wherein 131°≤α≤141°.

[0014] According to another aspect of the present application, a vehicle is provided, the vehicle has a door assembly, and the door assembly is the above-mentioned door assembly.

[0015] According to the technical scheme of the present application, the door outer plate is movably arranged on the side outer plate through the hinge pin shaft assembly, and the door outer plate has two states of being completely opened and closed through the hinge pin shaft assembly. When the hinge pin shaft assembly is in the first state of closing the door outer plate, the flow guide surface of the hinge pin shaft assembly is exposed to the side surface of the vehicle. In this way, during the driving of the vehicle, the airflow moving from the front of the vehicle to the door of the vehicle is guided by the flow guide surface, so that vortex generated at the hinge pin shaft assembly can be avoided, thereby reducing the resistance generated by the airflow on the vehicle body and improving the aerodynamic performance of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the present application, and together with the description of the exemplary embodiments of the present application, serve to explain the present application. The present application is not intended to be unduly limited by such illustrative embodiments. In the drawings:

[0017] Figure 1 A structure schematic view of a first embodiment of a door assembly according to the present application is shown;

[0018] Figure 2 A structure schematic view of a second embodiment of a door assembly according to the present application is shown;

[0019] Figure 3 A structure schematic view of a third embodiment of the vehicle door assembly according to the present application is shown;

[0020] Figure 4 A structure schematic view of a first embodiment of the hinge pin shaft assembly according to the present application is shown;

[0021] Figure 5 A structure schematic view of a second embodiment of the hinge pin shaft assembly according to the present application is shown;

[0022] Figure 6 A structure schematic view of a third embodiment of the hinge pin shaft assembly according to the present application is shown;

[0023] Figure 7 A structure schematic view of a fourth embodiment of the hinge pin shaft assembly according to the present application is shown.

[0024] Among them, the above-mentioned drawings include the following reference signs:

[0025] 1, side outer plate; 10, hinge pin shaft assembly; 100, flow guide surface; 11, hinge base page; 110, first connecting end; 12, hinge movable page; 120, second connecting end; 13, pivot;

[0026] 2, vehicle door outer plate; 20, hinge cover; 200, avoiding space; 210, containing cavity. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, it means that there is a feature, step, operation, device, component and / or combination thereof.

[0029] It is to be understood that the terms "first", "second", and the like, used in the description and the claims of the present application as well as the above description of the drawings merely refer to the structure described above, but do not necessitate or imply any ordinal sequence or configuration. The terms "comprises", "comprising", "includes", "including", "has", "having" or any other variation thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, article, or apparatus that comprises, but is not limited to, a list of steps or elements as explicitly set forth herein. None of the above terms require or suggest that any or all of the steps or elements listed are indispensable or essential to the process, method, article, or apparatus.

[0030] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be implemented in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that the embodiments are provided merely to make the disclosure of this application complete and to fully convey the concept of these exemplary embodiments to those skilled in the art, and the drawings are possibly exaggerated in thickness of layers and regions for clarity, and the same reference numerals are used throughout the drawings to designate the same elements, and thus a description thereof will be omitted.

[0031] In conjunction with Figures 1 to 6 As shown, according to a specific embodiment of this application, a vehicle door assembly is provided.

[0032] Specifically, as Figure 1 shown, the vehicle door assembly includes a hinge pin shaft assembly 10 for connecting with a vehicle door outer panel 2 and a side outer panel 1, the hinge pin shaft assembly 10 has a first state for closing the vehicle door outer panel 2, and the hinge pin shaft assembly 10 has a second state for completely opening the vehicle door outer panel 2, the hinge pin shaft assembly 10 is provided with a flow guide surface 100, the flow guide surface 100 is located outside the side outer panel 1 and at one side of the vehicle door outer panel 2 along the width direction of the vehicle when the hinge pin shaft assembly 10 is in the first state.

[0033] By applying the technical solution of this embodiment, the vehicle door outer panel 2 is movably arranged on the side outer panel 1 through the hinge pin shaft assembly 10, and the vehicle door outer panel 2 has two states of completely opening and closing through the hinge pin shaft assembly 10, when the hinge pin shaft assembly 10 is in the first state for closing the vehicle door outer panel 2, the flow guide surface 100 of the hinge pin shaft assembly 10 is exposed to the side of the vehicle, so that the airflow moving from the front of the vehicle to the vehicle door during the driving of the vehicle is guided by the flow guide surface 100, and vortex generated at the hinge pin shaft assembly 10 can be avoided, thereby reducing the resistance generated by the airflow to the vehicle body and improving the aerodynamic performance of the vehicle.

[0034] In an embodiment of the present application, the vehicle door outer panel 2 is a tail door outer panel, and the tail door outer panel is connected to the side outer panel 1 through the hinge pin shaft assembly 10. In this case, the hinge pin shaft assembly 10 is arranged at the tail of the vehicle, and the angle of rotation of the tail door outer panel is increased when the tail door outer panel is fully opened and closed. Therefore, when the hinge pin shaft assembly 10 is in the first state, it is easier to generate vortex. By arranging the flow guide surface 100 of the hinge pin shaft assembly 10, the airflow during the driving of the vehicle can be guided to avoid the generation of vortex, thereby greatly reducing the air resistance and improving the aerodynamic performance of the vehicle.

[0035] Specifically, as shown in FIG. 1, at least part of the profile of the flow guide surface 100 along the length direction of the vehicle is a straight line or an arc line. By the straight line or arc line profile of the flow guide surface along the length direction of the vehicle, the flow guiding effect of the airflow is further optimized, so that the airflow can flow more smoothly when contacting the flow guide surface 100, reducing the separation of the airflow and the formation of vortex. When the vehicle is driving, the resistance of the airflow passing through the flow guide surface 100 is significantly reduced, thereby improving the aerodynamic performance of the vehicle. Figure 1

[0036] In an embodiment of the present application, the curvature radius of the flow guide surface 100 gradually increases in the direction from the farthest point to the vehicle door outer panel 2, that is, the profile of the flow guide surface 100 along the length direction of the vehicle is an arc line, and the curvature of the arc line can be selected according to different vehicles. The arc line profile can better adapt to the curved surface structure of the tail of the vehicle, ensuring that the airflow can smoothly transition when contacting the vehicle body, thereby avoiding the generation of vortex.

[0037] It should be noted that when the curvature radius of the flow guide surface 100 is positive infinity, the flow guide surface 100 can be regarded as a plane. Therefore, the curvature radius of the flow guide surface 100 can be set to a larger constant value, that is, the flow guide surface 100 can be a curved surface close to a plane, so as to better match the profile of the vehicle door outer panel 2. Alternatively, the curvature radius of the flow guide surface 100 can be set to a gradually changing arc surface, that is, the curvature radius of the flow guide surface 100 gradually increases in the direction from the farthest point to the vehicle door outer panel 2, so that the arc surface of the flow guide surface 100 gradually approaches a plane, and finally the flow guide surface 100 is flush with the side surface of the vehicle door outer panel 2, thereby achieving the best airflow guiding and avoiding the generation of vortex and air resistance at the hinge pin shaft assembly 10.

[0038] In another embodiment of the present application, the flow guide surface 100 is a plane, that is, the profile of the flow guide surface 100 along the length direction of the vehicle is a straight line. The flow guide surface 100 can effectively guide the airflow to the rear of the vehicle, thereby avoiding the formation of vortex and turbulent flow at the hinge position, thereby reducing the air resistance.

[0039] ​The skilled in the art should understand that the specific selection and layout of the straight lines and arc lines of the flow guide surface 100 can be selected according to different vehicle shapes and the special structure of the vehicle tail air field. By comparing the influence of different lines on the aerodynamic performance, the optimal shape of the flow guide surface 100 is determined to achieve the best aerodynamic effect.

[0040] Further, as shown in Figures 1 to 3 , the door assembly further comprises a hinge cover 20, the hinge cover 20 is connected with the side outer plate 1, and at least part of the hinge cover 20 is located on the side away from the door outer plate 2 of the hinge pin shaft assembly 10 along the length direction of the vehicle; wherein, when the hinge pin shaft assembly 10 is in the first state, the farthest distance between the hinge cover 20 and the side outer plate 1 is greater than or equal to the farthest distance between the flow guide surface 100 and the side outer plate 1. Through the cooperation of the hinge cover 20 and the side outer plate 1, not only the hinge pin shaft assembly 10 is covered, the neatness of the vehicle appearance is improved, but also through the relative position relationship between the hinge cover 20 and the flow guide surface 100, it is ensured that the hinge cover 20 can effectively shield the flow guide surface 100 when the door is closed, avoiding visual discord, and at the same time reducing the vortex formed by the airflow on the flow guide surface 100, further reducing the aerodynamic drag. When the vehicle is running, the cooperation of the hinge cover 20 and the flow guide surface 100 makes the airflow more smooth, reduces the air resistance, and at the same time the appearance of the vehicle is more beautiful.

[0041] Specifically, as shown in Figure 1 , the side of the hinge cover 20 towards the side outer plate 1 and the side outer plate 1 form a containing cavity 210, and the part of the side wall of the hinge cover 20 towards the door outer plate 2 and the door outer plate 2 form an avoiding space 200, wherein part of the hinge pin shaft assembly 10 is located in the containing cavity 210, and the flow guide surface 100 is located at the avoiding space 200. Through the connection of the hinge cover 20 and the side outer plate 1, and the formation of a containing cavity 210 between the side of the hinge cover 20 towards the side outer plate 1 and the side outer plate 1, the containing cavity 210 can provide internal storage space for the hinge pin shaft assembly 10, and part of the hinge pin shaft assembly 10 is located inside the containing cavity 210 instead of being directly exposed on the surface of the vehicle, thereby avoiding the influence of the traditional pin shaft protrusion on the aerodynamic performance and appearance of the vehicle. At the same time, the part of the side wall of the hinge cover 20 towards the door outer plate 2 and the door outer plate 2 form an avoiding space 200, ensuring that the hinge cover 20 and the door outer plate 2 will not interfere with each other during the opening and closing process of the door. Moreover, by setting the flow guide surface 100 at the avoiding space 200, the airflow that may generate vortex and air resistance at the avoiding space 200 is guided, the air resistance is reduced, and the aerodynamic performance of the vehicle is improved.

[0042] Further, as shown in Figure 1 , Figure 4 , Figure 5 ,Figure 7 As shown, the hinge pin assembly 10 includes a pivot 13, a hinge base 11, and a hinge movable 12. The pivot 13 includes a first connecting section and second connecting sections disposed at both ends of the first connecting section. The hinge base 11 has a base end connected to the side panel 1, and a first connecting end 110 for rotatably connecting with the second connecting section. The hinge movable 12 has a movable end connected to the door panel 2, and a second connecting end 120 connected to the first connecting section. When the hinge pin assembly 10 is in the first state, along the width direction of the vehicle, the side of the first connecting end 110 away from the side panel 1 and the side of the second connecting end 120 away from the side panel 1 form a guide surface 100. The pivot 13 serves as the rotation center of the hinge pin assembly 10, including a first connecting section and second connecting sections located at both ends of the first connecting section. This allows the pivot 13 to firmly connect the hinge base page 11 and the hinge movable page 12, ensuring the stability and reliability of the hinge pin assembly 10. When the hinge pin assembly 10 is in the first state, i.e., the door is closed, the side of the first connecting end 110 away from the side panel 1 and the side of the second connecting end 120 away from the side panel 1 together form a guide surface 100. This allows airflow to pass smoothly when the door is closed, reducing eddies and turbulence in the hinge area, thereby reducing air resistance and improving the vehicle's aerodynamic performance.

[0043] In this embodiment, the base end of the hinge base page 11 is connected to the outer side panel 1 by screws, clips, or other means; the movable end of the hinge movable page 12 is connected to the inner door panel by screws, clips, or other means, and the inner door panel is connected to the outer door panel 2. The first connecting end 110 is connected to the second connecting section of the rotating shaft 13, so that the rotating shaft 13 is rotatably mounted on the first connecting end 110, and the second connecting end 120 is rotatably connected to the first connecting end 110 through the first connecting section of the rotating shaft 13, thereby realizing the rotatable connection between the outer door panel 2 and the outer side panel 1, that is, realizing the state switching of the hinge pin assembly 10.

[0044] Specifically, such as Figures 2 to 7 As shown, along the length of the vehicle, the outer contour lines of the side of the first connecting end 110 away from the side panel 1 and the side of the second connecting end 120 away from the side panel 1 are the same. When the hinge pin assembly 10 is in the first state, i.e., the door is closed, the outer contour lines of the side of the first connecting end 110 away from the side panel 1 and the side of the second connecting end 120 away from the side panel 1 are designed to be the same along the length of the vehicle. This arrangement ensures that when the door is closed, the outer contours of the first connecting end 110 and the second connecting end 120 can be seamlessly connected to form a smooth surface.

[0045] It should be noted that during the driving of the vehicle, if there is a mutation or discontinuity in the outer profile of the hinge pin shaft assembly 10, it will cause vortexes in the air flow in this area, increase air resistance, and reduce the overall aerodynamic performance of the vehicle. The present application can guide the air flow to pass smoothly to the maximum extent by making the outer profile lines of the first connecting end 110 and the second connecting end 120 the same, thereby reducing air flow disturbance and resistance, and significantly improving the aerodynamic performance of the vehicle.

[0046] Further, when the hinge pin shaft assembly 10 is in the second state, the outer plate 2 of the door is arranged at a distance from the hinge cover 20. By keeping the outer plate 2 of the door at a distance from the hinge cover 20 when the hinge pin shaft assembly 10 is fully opened, the freedom and safety during opening of the door are ensured, and possible contact or interference between the outer plate 2 of the door and the hinge cover 20 is avoided, ensuring that the door can be smoothly and safely opened to the required angle.

[0047] Specifically, the included angle between the outer plate 2 of the door when the hinge pin shaft assembly 10 is in the first state and the outer plate 2 of the door when the hinge pin shaft assembly 10 is in the second state is α, wherein 131°≤α≤141°. When the hinge pin shaft assembly 10 is changed to the second state, i.e. the door is fully opened, the included angle α between the outer plate 2 of the door and the hinge pin shaft assembly 10 is limited to between 131° and 141°. By precisely controlling the angle α, it is ensured that when the door is opened, it will neither affect the passenger's entry or exit or cargo loading and unloading due to the angle being too small, nor touch the hinge cover 20 due to the angle being too large, i.e. by setting the angle range of α, sufficient space is left for the door or tailgate of the vehicle, ensuring that the hinge pin shaft assembly 10 can freely rotate to switch states. It also avoids the risk of collision with other vehicles or obstacles during opening, enhancing the safety performance of the vehicle. Preferably, α = 136°.

[0048] According to another specific embodiment of the present application, a vehicle is also provided, which has a door assembly, and the door assembly is the door assembly in the above embodiments. By using the above-mentioned door assembly in the vehicle, the aerodynamic performance of the vehicle is optimized by the cooperation of the flow guide surface 100 of the hinge pin shaft assembly 10 and the hinge cover 20, the fuel efficiency and driving stability of the vehicle are improved, and the overall appearance and design sense of the vehicle are enhanced. When the vehicle is driving, the aerodynamic resistance is significantly reduced, the fuel efficiency and driving stability are improved, and the appearance of the vehicle is more neat and beautiful.

[0049] From the above description, it can be seen that the above-mentioned embodiments of the utility model realize the following technical effects: through the cooperation of the hinge cover 20 and the hinge pin shaft assembly 10, from the front to the rear of the vehicle, based on the coverage of the hinge cover 20, the abnormal protrusion of the hinge pin shaft assembly 10 cannot be seen at the position of the hinge pin shaft assembly 10, and the appearance of the forward view is optimized; the special shape of the hinge pin shaft assembly 10 guides the airflow in the vehicle driving process through the flow guide surface 100, avoids the formation of airflow vortex at the hinge pin shaft assembly 10 or the rear end of the hinge pin shaft assembly 10, reduces the resistance, and improves the aerodynamic performance of the vehicle.

[0050] For the convenience of description, spatial relative terms such as "above", "upper", "upper surface", "upper" and the like can be used herein to describe the spatial positional relationship of one device or feature with other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "above" other devices or structures will be positioned "below" or "below" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0051] In addition to the above, it should also be noted that "one embodiment", "another embodiment", "embodiment" and the like mentioned in the specification refer to specific features, structures or characteristics described in conjunction with the embodiment, which are included in at least one embodiment described in the general description of the application. The same description appears in several places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure or characteristic in conjunction with any embodiment, it is claimed that the implementation of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the present application.

[0052] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0053] The above only describes preferred embodiments of the utility model, and is not used to limit the utility model, and the utility model can have various changes and variations for those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A vehicle door assembly, characterized by, The application relates to a hinge pin shaft assembly (10) for connecting a door outer panel (2) and a side outer panel (1), the hinge pin shaft assembly (10) having a first state of closing the door outer panel (2) and a second state of completely opening the door outer panel (2), the hinge pin shaft assembly (10) being provided with a flow guide surface (100), the flow guide surface (100) being located outside the side outer panel (1) and on one side of the door outer panel (2) along the width direction of the vehicle when the hinge pin shaft assembly (10) is in the first state. At least part of the profile of the flow guide surface (100) along the length direction of the vehicle is a straight line or an arc.

2. The vehicle door assembly of claim 1, wherein, The door assembly further comprises:

3. The vehicle door assembly of claim 2, wherein, a hinge cover (20) connected to the side outer panel (1), at least part of the hinge cover (20) being located on the side of the hinge pin shaft assembly (10) away from the door outer panel (2) along the length direction of the vehicle; wherein the maximum distance between the hinge cover (20) and the side outer panel (1) is greater than or equal to the maximum distance between the flow guide surface (100) and the side outer panel (1) when the hinge pin shaft assembly (10) is in the first state. The side of the hinge cover (20) facing the side outer panel (1) and the side outer panel (1) form a containing cavity (210), and the part of the side wall of the hinge cover (20) on the side facing the door outer panel (2) and the door outer panel (2) form an avoiding space (200), wherein part of the hinge pin shaft assembly (10) is located in the containing cavity (210), and the flow guide surface (100) is located at the avoiding space (200).

4. The vehicle door assembly of claim 3, wherein, The flow guide surface (100) is a plane.

5. The vehicle door assembly of claim 1, wherein, The hinge pin shaft assembly (10) comprises:

6. The vehicle door assembly of claim 2, wherein, a rotating shaft (13) comprising a first connecting section and a second connecting section arranged at both ends of the first connecting section; a hinge base leaf (11) having a base end connected to the side outer panel (1) and a first connecting end (110) for rotationally connecting with the second connecting section; a hinge movable leaf (12) having a movable end connected to the door outer panel (2) and a second connecting end (120) connected with the first connecting section; wherein the side of the first connecting end (110) away from the side outer panel (1) and the side of the second connecting end (120) away from the side outer panel (1) form the flow guide surface (100) along the width direction of the vehicle when the hinge pin shaft assembly (10) is in the first state. The side of the first connecting end (110) away from the side outer panel (1) and the side of the second connecting end (120) away from the side outer panel (1) are arranged in the same profile along the length direction of the vehicle.

7. The vehicle door assembly of claim 6, wherein, ​ 8. The vehicle door assembly of claim 3, wherein, The hinge pin shaft assembly (10) is in the second state, the car door outer plate (2) is arranged away from the hinge cover (20).

9. The vehicle door assembly of claim 8, wherein, The included angle between the car door outer plate (2) in the first state of the hinge pin shaft assembly (10) and the car door outer plate (2) in the second state of the hinge pin shaft assembly (10) is α, wherein 131°≤α≤141°.

10. A vehicle having a door assembly, characterized by The car door assembly is the car door assembly of any one of claims 1-9.

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