Vehicle

Abstract

The utility model provides a vehicle which comprises a vehicle door assembly, the vehicle door assembly comprises a front vehicle door and a rear vehicle door, a front vehicle door inner plate of the front vehicle door is provided with a first supporting piece protruding inwards in the first direction, and a rear vehicle door inner plate of the rear vehicle door is provided with a second supporting piece protruding inwards in the second direction; a rear vehicle door inner plate of the rear vehicle door is provided with a second supporting piece which protrudes towards the inner side in the first direction; the frame comprises a seat cross beam, and the seat cross beam is provided with a third supporting piece which is arranged in a protruding mode towards the outer side in the first direction. Wherein in the first direction, the third supporting piece is arranged opposite to the first supporting piece and the second supporting piece, and the first supporting piece can be matched with the second supporting piece and the second supporting piece in a supporting mode in the first direction. Therefore, the side collision safety of the vehicle can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of vehicles, and particularly relates to a vehicle. Background Art

[0002] At present, when a vehicle undergoes a side collision, the strength at the adjacent area between the front door and the rear door is relatively low, and the door will excessively intrude into the passenger compartment due to the collision, resulting in poor safety protection for the vehicle occupants and potential safety hazards. Summary of the Utility Model

[0003] In view of this, the present application aims to propose a vehicle to improve the side collision safety of the vehicle.

[0004] To achieve the above object, the technical solution of the present application is realized as follows:

[0005] A vehicle includes: a door assembly, the door assembly includes a front door and a rear door, a first support member protruding inward along the first direction is provided on the inner panel of the front door of the front door, and a second support member protruding inward along the first direction is provided on the inner panel of the rear door of the rear door; a vehicle frame, the vehicle frame includes a seat cross beam, and a third support member protruding outward along the first direction is provided on the seat cross beam; wherein, in the first direction, the third support member is respectively arranged opposite to the first support member and the second support member, and the first support member can respectively support and cooperate with the second support member and the first direction.

[0006] In some embodiments of the present application, the first support member is provided on the side of the inner panel of the front door adjacent to the rear door; and / or, the second support member is provided on the side of the inner panel of the rear door adjacent to the front door.

[0007] In some embodiments of the present application, the first support member includes a first support body, the second support member includes a second support body, the third support member includes a third support body, and both the first support body and the second support body are arranged below the third support body.

[0008] In some embodiments of the present application, the third support member includes: a first plate segment, the first plate segment extends from the seat cross beam along the first direction towards the side of the door assembly; a second plate segment, the second plate segment bends and extends downward from the first plate segment; a third plate segment, the third plate segment bends away from the side of the door assembly from the second plate segment; a fourth plate segment, the fourth plate segment bends and extends downward from the third plate segment.

[0009] In some embodiments of the present application, the first support body is provided below the third plate segment, and the first support body is oppositely arranged with at least a part of the fourth plate segment in the first direction; the second support body is provided below the third plate segment, and the second support body is oppositely arranged with at least a part of the fourth plate segment in the first direction.

[0010] In some embodiments of the present application, in the vertical direction, the third plate segment is oppositely arranged with the first support body and the second support body respectively, and can be in limit cooperation with the first support body and the second support body respectively.

[0011] In some embodiments of the present application, the first support member further includes a first connecting flange, the first connecting flange is arranged on the first support body and is fixedly connected with the inner panel of the front door; the second support member further includes a second connecting flange, the second connecting flange is arranged on the second support body and is fixedly connected with the inner panel of the rear door.

[0012] In some embodiments of the present application, the first connecting flange is oppositely arranged with at least a part of the second plate segment in the first direction; the second connecting flange is oppositely arranged with at least a part of the second plate segment in the first direction.

[0013] In some embodiments of the present application, the front door and the rear door are arranged to open in opposite directions; or, the front door is adapted to rotate and open forward relative to the vehicle frame from the rear, and the rear door is adapted to slide and open backward relative to the vehicle frame from the front.

[0014] In some embodiments of the present application, the third support member is integrally formed with the seat cross beam.

[0015] Compared with the prior art, the vehicle described in the present application has the following advantages:

[0016] (1) The collision force generated by side impact on the door assembly can be transmitted to the side of the seat cross beam through at least one of the first support member and the second support member via the third support member, so as to disperse the collision force through the seat cross beam to reduce the force on the door assembly in the door lock area, enhance the connection strength between the door assembly and the vehicle frame, optimize the collision force transmission path, thereby effectively reducing the intrusion amount of the door assembly towards the occupant compartment side during side collision and improving the driving and riding safety of the vehicle.

[0017] (2) The third support body is arranged above the first support body and the second support body, and the third support body is arranged out of alignment with the first support body and the second support body in the vertical direction respectively, so as to limit the first support body and the second support body through the third support body, which can increase the contact area when the first support member abuts and cooperates with the third support member and the contact area when the second support member abuts and cooperates with the third support member, and can also ensure the collision force transmission effect between the first support member and the third support member and between the second support member and the third support member. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of this application. The schematic embodiments of this application and their descriptions are used to explain this application and do not constitute an improper limitation to this application. In the drawings:

[0019] Figure 1 is a schematic diagram of a vehicle according to an embodiment of this application;

[0020] Figure 2 is a schematic diagram of the cooperation of the first support member, the second support member, the third support member and the seat crossbeam according to an embodiment of this application;

[0021] Figure 3 is Figure 2 a partial enlarged view circled at A in;

[0022] Figure 4 is a schematic diagram of the cooperation of the first support member, the second support member and the third support member according to an embodiment of this application;

[0023] Figure 5 is Figure 4 a partial enlarged view circled at B in.

[0024] DESCRIPTION OF REFERENCE NUMERALS:

[0025] Vehicle 100;

[0026] Door assembly 10; Front door 101; Rear door 102; Seat crossbeam 20;

[0027] First support member 1; First support body 11; First connecting flange 12;

[0028] Second support member 2; Second support body 21; Second connecting flange 22;

[0029] Third support member 3; Third support body 31; First plate section 311; Second plate section 312; Third plate section 313; Fourth plate section 314. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be combined with each other.

[0031] The following will refer to the attached Figures 1 - 5 and will describe in detail the vehicle 100 according to the embodiments of the present application in combination with the embodiments.

[0032] The vehicle 100 according to the embodiments of the present application includes a door assembly 10 and a vehicle frame.

[0033] Referring to Figure 1 , the door assembly 10 includes a front door 101 and a rear door 102. A first support member 1 protruding inward in the first direction is provided on the inner panel of the front door 101 of the front door 101, and a second support member 2 protruding inward in the first direction is provided on the inner panel of the rear door 102 of the rear door 102.

[0034] It should be noted that the above-mentioned "first direction" refers to the Y-direction of the vehicle 100, which is uniformly described as the first direction. Among them, the "inner side in the first direction" refers to the side of the door assembly 10 relatively close to the passenger compartment, and the "outer side in the first direction" refers to the side relatively far from the passenger compartment.

[0035] Furthermore, the vehicle frame includes a seat crossbeam 20. The seat crossbeam 20 extends in the first direction, and a third support member 3 protruding outward in the first direction is provided on the seat crossbeam 20. In the first direction, the third support member 3 is respectively arranged opposite to the first support member 1 and the second support member 2, and the first support member 1 can be respectively in supporting cooperation with the second support member 2 and the support in the first direction to improve the anti-side collision ability of the vehicle 100 and improve the safety of the vehicle 100.

[0036] Among them, the outer side of the seat crossbeam 20 in the first direction is the side of the seat crossbeam 20 close to the door assembly 10. That is to say, the third support member 3 protrudes from the seat crossbeam 20 toward the door assembly 10 side, and the third support member 3 is used for supporting cooperation with the first support member 1 and the second support member 2 in the first direction, thereby improving the anti-deformation ability at the door assembly 10, and further improving the driving and riding safety of the vehicle 100.

[0037] It should be noted that currently, when the vehicle 100 has a side collision, the strength at the adjacent area between the front door 101 and the rear door 102 is low, and the door will excessively intrude into the passenger compartment due to the collision, resulting in poor safety protection effect of the vehicle 100 on the occupants and there being potential safety hazards.

[0038] Vehicle 100 according to an embodiment of the present application is provided with a first support member 1 and a second support member 2 at the front door 101 and the rear door 102 respectively, and a third support member 3 adapted to support and cooperate with the first support member 1 and the second support member 2 in a first direction is provided at the seat crossbeam 20, so as to enhance the connection strength between the door assembly 10 and the vehicle frame. When a side collision occurs to the vehicle 100, the door assembly 10 has a tendency to intrude into the passenger compartment side, so that the third support member 3 can support the first support member 1 and the second support member 2 in the first direction. The acting force generated by the collision can be transmitted from the door assembly 10 to the seat crossbeam 20 through the first support assembly, the second support assembly and the third support assembly, and then the collision energy can be dispersed through the seat crossbeam 20, so as to effectively limit the excessive intrusion of the door assembly 10 into the passenger compartment side and improve the driving and riding safety of the vehicle 100.

[0039] It should be noted that when the door assembly 10 is in the closed state, the first support member 1 and the third support member 3 are in abutting cooperation or arranged at intervals in the first direction, and the second support member 2 and the third support member 3 are in abutting cooperation or arranged at intervals in the first direction. Thus, when a side collision occurs to the vehicle 100, the first support member 1 and the second support member 2 will be pressed towards the passenger compartment side, and the collision energy at the front door 101 and the rear door 102 can be transmitted to the third support member 3 through the first support member 1 and the second support member 2 respectively. The third support member 3 can transmit the collision energy to the seat crossbeam 20 side, so as to disperse and transmit the collision energy through the seat crossbeam 20, optimize the transmission path of the collision force of the vehicle 100 in the side collision state, enhance the connection strength between the door assembly 10 and the vehicle frame, reduce the intrusion amount of the door into the passenger compartment side due to the side collision, and improve the driving and riding safety of the vehicle 100.

[0040] In some embodiments of the present application, the vehicle frame can be configured as a frameless B-pillar vehicle frame, that is, the longitudinal side beam structure is cancelled at the adjacent area of the front door 101 and the rear door 102 on the vehicle frame, so as to form a frameless B-pillar vehicle frame.

[0041] It should be noted that currently, the vehicle frame can also form a B-pillar structure at the adjacent area of the front door 101 and the rear door 102 by setting longitudinal side beams, so as to improve the anti-side collision ability of the vehicle. In the related art, there are an increasing number of models such as frameless opposed doors and frameless sliding doors without B-pillars. However, after removing the B-pillar structure, the side collision performance of the vehicle will be weakened. Thus, when a side collision occurs to the vehicle, the strength at the adjacent area of the front door and the rear door is relatively low, and the door will excessively intrude into the passenger compartment direction due to the collision, resulting in poor safety protection effect for the vehicle occupants and potential safety hazards.

[0042] In the present application, the front door 101 and the rear door 102 can be supported in the X - direction of the vehicle with respect to the vehicle frame respectively through the first support member 1 and the third support member 3, and the second support member 2 and the third support member 3, so as to disperse the collision force generated by side impact to the seat cross - beam 20 through the third support member 3, and improve the anti - side - impact ability of the vehicle. That is to say, the technical solution in the present application can meet the anti - side - impact requirements of vehicles without longitudinal side beams provided on the vehicle frame, and can be applied to models such as vehicles with no - B - pillar double - leaf doors and no - B - pillar sliding doors.

[0043] In some embodiments of the present application, the first support member 1 is arranged on the side of the inner panel of the front door adjacent to the rear door 102, so as to arrange the first support member 1 at a position of the front door 101 adjacent to the seat cross - beam 20, which is convenient for correspondingly arranging the first support member 1 and the third support member 3.

[0044] In some embodiments of the present application, the second support member 2 is arranged on the side of the inner panel of the rear door adjacent to the front door 101, so as to arrange the second support member 2 at a position of the rear door 102 adjacent to the seat cross - beam 20, which is convenient for correspondingly arranging the second support member 2 and the third support member 3.

[0045] It can be understood that the seat cross - beam 20 is a cross - beam structure in the area under the front row seats in the vehicle 100, and is arranged at the adjacent area of the seat cross - beam 20 adjacent to the front door 101 and the rear door 102. In the present application, arranging the first support member 1 at the rear part of the front door 101 (i.e., at the position adjacent to the rear door 102) and arranging the second support member 2 at the front part of the rear door 102 (i.e., at the position adjacent to the front door 101) can arrange the first support member 1 and the second support member 2 at positions adjacent to the seat cross - beam 20, so as to be convenient for correspondingly arranging the first support member 1 and the second support member 2 with the third support member 3 in the first direction, and can shorten the transmission path of the collision energy to ensure the effect of the seat cross - beam 20 in dispersing and transmitting the collision force.

[0046] As Figure 2 shown, in some embodiments of the present application, the first support member 1 includes a first support main body 11, the second support member 2 includes a second support main body 21, the third support member 3 includes a third support main body 31, and both the first support main body 11 and the second support main body 21 are arranged below the third support main body 31.

[0047] In the present application, arranging the first support main body 11 and the second support main body 21 below the third support main body 31 can ensure the effect of the first support member 1 and the second support member 2 in transmitting the collision energy to the side of the seat cross - beam 20 through the third support member 3.

[0048] Among them, the first support member 1 is arranged in the bottom area of the front door 101, and the second support member 2 is arranged in the bottom area of the rear door 102. By arranging the third support body 31 above the first support body 11 and the second support body 21, it is possible to effectively prevent the door assembly 10 from being extruded and deformed upward and disengaged when the vehicle 100 collides, so that the collision force at the first support body 11 and the second support body 21 cannot be transmitted to the third support member 3.

[0049] As Figure 3 shown, in some embodiments of the present application, the third support body 31 includes: a first plate segment 311, a second plate segment 312, a third plate segment 313, and a fourth plate segment 314. It should be noted that the first plate segment 311, the second plate segment 312, and the third plate segment 313 are connected in sequence to form the above-mentioned third support body 31.

[0050] Among them, the first plate segment 311 extends from the seat crossbeam 20 along the first direction towards the door assembly 10, the second plate segment 312 extends downwardly and bent from the first plate segment 311, the third plate segment 313 bends from the second plate segment 312 towards the side away from the door assembly 10, and the fourth plate segment 314 extends downwardly and bent from the third plate segment 313.

[0051] It can be understood that a cavity structure can be formed by surrounding the first plate segment 311, the second plate segment 312, and the third plate segment 313. The cavity structure protrudes from one end of the seat crossbeam 20 towards the door assembly 10 to form a support structure between the door assembly 10 and the seat crossbeam 20.

[0052] In some embodiments of the present application, the first support body 11 is arranged below the third plate segment 313, and the first support body 11 is oppositely arranged with at least a part of the fourth plate segment 314 in the first direction. When the vehicle 100 has a side collision, the first support body 11 can abut against the fourth plate segment 314 to transmit the collision force to the seat crossbeam 20 side through the third support member 3.

[0053] It can be understood that by arranging the first support body 11 opposite to the fourth plate segment 314, the corresponding area of the first support member 1 and the third support member 3 can be increased to improve the collision force transmission effect between the first support member 1 and the third support member.

[0054] In some embodiments of the present application, the second support body 21 is arranged below the third plate segment 313, and the second support body 21 is oppositely arranged with at least a part of the fourth plate segment 314 in the first direction. When the vehicle 100 collides, the second support body 21 can abut against the fourth plate segment 314 to transmit the collision force to the seat crossbeam 20 side through the third support member 3.

[0055] It can be understood that by relatively arranging the second support body 21 and the fourth plate segment 314, the corresponding areas of the second support member 2 and the third support member 3 can be increased to improve the collision force transmission effect between the second support member 2 and the third support member 3.

[0056] In some embodiments of the present application, in the vertical direction, the third plate segment 313 is respectively relatively arranged with the first support body 11 and the second support body 21, and the third plate segment 313 can be in limit cooperation with the first support body 11 and the second support body 21 respectively to ensure the cooperation effect between the first support body 11 and the second support body 21 and the third support member 3 respectively.

[0057] Refer to Figure 3 , when the vehicle 100 does not have a side collision and the door is in a closed state, at least part of the first support body 11 and at least part of the second support body 21 are respectively arranged below the third plate segment 313. If the vehicle 100 has a side collision, through the cooperation between the first support body 11 and the third plate segment 313, the movement direction of the first support member 1 relative to the third support member 3 can be limited, so that the first support body 11 can be in abutting cooperation with the third support member 3. Similarly, through the cooperation between the second support body 21 and the third plate segment 313, the movement direction of the second support member 2 relative to the third support member 3 can be limited, so that the second support body 21 can abut against the third support member 3.

[0058] It should be noted that the third plate segment 313 extends obliquely downward from the outside to the inside, so that the third plate segment 313 limits the first support body 11 and the second support body 21 moving inward. If the first support body 11 and the second support body 21 have an upward movement trend, under the guiding action of the third plate segment 313, the first support body 11 and the second support body 21 can be guided to the lower part of the third support body 31, so as to ensure the abutting cooperation effect between the first support body 11 and the third support body 31 and between the second support body 21 and the third support body 31.

[0059] It can be understood that taking the cooperation between the first support member 1 and the third support member 3 as an example, since the upper surface of the first support body 11 is relatively arranged with the third plate segment 313, when the vehicle 100 has a side collision, the third plate segment 313 limits the first support body 11, so that the first support body 11 can transmit the collision force to the third support member 3 (for example: through the first support body 11 to the fourth plate segment 314), ensuring the transmission and dispersion effect of the collision force.

[0060] Among them, if the first support body 11 and the third support body 31 are oppositely arranged in the first direction, when the vehicle 100 undergoes a side collision, the first support body 11 may be deformed due to the collision and thus unable to ensure the cooperation effect with the third support member 3, that is, the effect of transmitting the collision force from the first support body 11 to the third support member 3 side will become worse.

[0061] In the present application, by vertically offsetting the first support body 11 and the second support body 21 from the third support body 31 respectively, the third plate segment 313 in the third support body 31 can play a role in limiting the first support body 11 and the second support body 21, so as to ensure the collision force transmission effect between the first support member 1 and the third support member 3, and between the second support member 2 and the third support member 3.

[0062] In some embodiments of the present application, the first support member 1 further includes a first connecting flange 12, the first connecting flange 12 is provided on the first support body 11, and the first connecting flange 12 is used for connecting and fixing with the inner panel of the front door, so as to fix the first support member 1 on the front door 101; the second support member 2 further includes a second connecting flange 22, the second connecting flange 22 is provided on the second support body 21, and the second connecting flange 22 is used for connecting and fixing with the inner panel of the rear door, so as to fix the second support member 2 on the rear door 102. Thus, by providing the connecting flange structure (i.e., the above-mentioned first connecting flange 12 and second connecting flange 22), the installation and cooperation between the support member and the door assembly 10 are realized, and the assembly method is simple and highly reliable.

[0063] In some embodiments of the present application, the first connecting flange 12 and at least part of the second plate segment 312 are oppositely arranged in the first direction, so as to increase the contact area between the first support member 1 and the third support member 3 when the vehicle 100 undergoes a side collision, and improve the force transmission effect between the first support member 1 and the third support member 3; the second connecting flange 22 and at least part of the second plate segment 312 are oppositely arranged in the first direction, so as to increase the contact area between the second support member 2 and the third support member 3 when the vehicle 100 undergoes a side collision, and improve the force transmission effect between the second support member 2 and the third support member 3.

[0064] It can be understood that when the vehicle 100 undergoes a side collision, the door assembly 10 deforms towards the occupant compartment side, and the first support member 1 and the second support member 2 can respectively abut and cooperate with the third support member 3. Taking the cooperation between the first support member 1 and the third support member 3 as an example, when the first support member 1 moves towards the third support member 3 in the first direction, the first connecting flange 12 can abut on the third support body 31 (such as: the second plate segment 312), so as to further increase the contact and cooperation area between the first support member 1 and the third support member 3, avoid excessive local impact force, and ensure the collision force transmission effect between the first support member 1 and the third support member 3.

[0065] Refer to Figure 3 As shown, the first support member 1 may be provided with first connecting flanges 12 on the upper and lower sides of the first support body 11 respectively. Since the third support body 31 is located above the first support body 11, when the first support member 1 is in abutting cooperation with the third support member 3, the first connecting flange 12 connected to the upper part of the first support body 11 can be in abutting cooperation with the third support body 31.

[0066] In some embodiments of the present application, the first support body 11 has an opening that opens towards the inner panel of the front door, and the first connecting flange 12 is connected to the open end of the first support body 11 and is used to be connected to the inner panel of the front door; the second support body 21 has an opening that opens towards the inner panel of the rear door, and the second connecting flange 22 is connected to the open end of the second support body 21 and is used to be connected to the inner panel of the rear door.

[0067] It should be noted that the structure of the first support member 1 is similar to that of the second support member 2, and the specific shape and size can be adaptively adjusted according to the shape and size of the door assembly 10 and the vehicle frame to improve the adaptability between the first support member 1 and the third support member 3, and between the second support member 2 and the third support member 3.

[0068] In some embodiments of the present application, the front door 101 and the rear door 102 are arranged to open in opposite directions, that is, the front door 101 of the vehicle 100 rotates forward from the rear, and the rear door 102 of the vehicle 100 rotates backward from the front.

[0069] In some other embodiments of the present application, the front door 101 is adapted to rotate forward relative to the vehicle frame from the rear, and the rear door 102 can slide backward relative to the vehicle frame from the front.

[0070] It can be understood that the opening manner of the door assembly 10 (i.e., the front door 101 and the rear door 102) relative to the vehicle frame is not limited to this, and can be designed and adjusted according to the opening requirements of the door assembly 10 of the vehicle 100.

[0071] In some embodiments of the present application, the third support member 3 is integrally formed with the seat cross beam 20, so that there is no need to further connect and fix the third support member 3 to the seat cross beam 20 through a connecting process, and the force transmission effect of the third support member 3 towards the seat cross beam 20 can be ensured.

[0072] In summary, the vehicle 100 according to the embodiments of the present application has at least the following advantages:

[0073] (1) The collision force generated by a side impact on the door assembly 10 can be transmitted to the side of the seat crossbeam 20 through at least one of the first support member 1 and the second support member 2 via the third support member 3, so as to disperse the collision force to the hull through the seat crossbeam 20, reduce the force on the door assembly 10 in the door lock area, enhance the connection strength between the door assembly 10 and the vehicle frame, optimize the collision force transmission path, and thus effectively reduce the intrusion amount of the door assembly 10 towards the passenger compartment side during a side impact, improving the driving and riding safety of the vehicle 100.

[0074] (2) The third support body 31 is arranged above the first support body 11 and the second support body 21, and the third support body 31 is arranged out of alignment with the first support body 11 and the second support body 21 in the vertical direction respectively, so as to limit the first support body 11 and the second support body 21 through the third support body 31. This can increase the contact area when the first support member 1 abuts and cooperates with the third support member 3 and the contact area when the second support member 2 abuts and cooperates with the third support member 3, and can also ensure the collision force transmission effect between the first support member 1 and the third support member 3 and between the second support member 2 and the third support member 3.

[0075] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.

Claims

1. A vehicle, characterized in that, include: A vehicle door assembly (10), the vehicle door assembly (10) comprising a front vehicle door (101) and a rear vehicle door (102), the front vehicle door (101) having a front vehicle door inner panel provided with a first support member (1) protruding inwardly along a first direction, and the rear vehicle door inner panel of the rear vehicle door (102) having a second support member (2) protruding inwardly along the first direction; A vehicle frame, the vehicle frame comprising a seat crossbeam (20), wherein the seat crossbeam (20) is provided with a third support member (3) protruding outwardly along the first direction; wherein: In the first direction, the third support member (3) is respectively arranged opposite to the first support member (1) and the second support member (2), and the first support member (1) can be respectively supported and matched with the second support member (2) and the first direction.

2. The vehicle according to claim 1, characterized in that, The first support member (1) is arranged on a side of the front door inner panel adjacent to the rear door (102); And / or, the second support member (2) is arranged on a side of the rear door inner panel adjacent to the front door (101).

3. The vehicle according to claim 1, characterized in that, The first support member (1) includes a first support body (11), the second support member (2) includes a second support body (21), and the third support member (3) includes a third support body (31), and the first support body (11) and the second support body (21) are both arranged below the third support body (31).

4. The vehicle according to claim 3, characterized in that, The third support member (3) comprises: A first plate section (311), the first plate section (311) extending from the seat cross beam (20) along the first direction toward one side of the vehicle door assembly (10); A second plate segment (312), the second plate segment (312) is bent and extended downward from the first plate segment (311); a third plate segment (313), the third plate segment (313) being bent from the second plate segment (312) toward a side away from the vehicle door assembly (10); A fourth plate segment (314), wherein the fourth plate segment (314) is bent downward and extends from the third plate segment (313).

5. The vehicle according to claim 4, wherein, The first supporting body (11) is arranged below the third plate segment (313), and the first supporting body (11) is arranged opposite to at least a part of the fourth plate segment (314) in the first direction; The second supporting body (21) is arranged below the third plate segment (313), and the second supporting body (21) is arranged opposite to at least a portion of the fourth plate segment (314) in the first direction.

6. The vehicle according to claim 5, characterized in that, In the vertical direction, the third plate segment (313) is respectively arranged opposite to the first supporting body (11) and the second supporting body (21), and can be respectively limitedly matched with the first supporting body (11) and the second supporting body (21).

7. The vehicle according to claim 5, characterized in that, The first support member (1) further comprises a first connecting flange (12), wherein the first connecting flange (12) is arranged on the first support body (11) and is connected and fixed to the front door inner panel; The second support member (2) further includes a second connecting flange (22), and the second connecting flange (22) is disposed on the second support main body (21) and is fixedly connected to the inner panel of the rear door.

8. The vehicle according to claim 7, characterized in that, The first connecting flange (12) and at least a part of the second plate segment (312) are oppositely arranged in the first direction; The second connecting flange (22) and at least a part of the second plate segment (312) are oppositely arranged in the first direction.

9. The vehicle according to claim 1, wherein The front door (101) and the rear door (102) are arranged to open in opposite directions; Alternatively, the front door (101) is adapted to rotate forward relative to the vehicle frame from the rear, and the rear door (102) is adapted to slide backward relative to the vehicle frame to open.

10. The vehicle according to claim 1, characterized in that, The third support member (3) is integrally formed with the seat cross beam (20).

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