WO2023078173A1

WO2023078173A1 - Motor vehicle, sliding door, and door panel assembly for sliding door

Info

Publication number: WO2023078173A1
Application number: PCT/CN2022/128255
Authority: WO
Inventors: 王超; 孙利
Original assignee: 河北开云汽车制造有限公司
Priority date: 2021-11-05
Filing date: 2022-10-28
Publication date: 2023-05-11
Also published as: CN114352143B; CN114312257A; CN114352143A; CN114312257B

Abstract

A sliding door (10) for a motor vehicle, comprising an upper guide rail module (100), a lower guide rail module (200) and a flexible door panel (300). The upper guide rail module (100) and the lower guide rail module (200) respectively cooperate with a guide rail assembly on the vehicle body to guide and support the movement of the sliding door (10). The flexible door panel (300) is connected between the upper guide rail module (100) and the lower guide rail module (200). Further provided are the motor vehicle employing the sliding door (10) described above, and upper and lower door panel assemblies for the sliding door (10). The flexible deformation of the flexible door panel (300) can absorb the relative position deviation between the upper and lower guide rails of the sliding door (10), facilitate the installation of the sliding door (10), facilitate the smooth operation of the sliding door (10), improve the user experience, reduce the damage to the sliding door caused by the position deviation, and extend the service life of the sliding door (10).

Description

Motor vehicles, sliding doors and door panel assemblies for sliding doors

technical field

The present disclosure relates to the field of vehicles, and in particular, to a sliding door for a motor vehicle, a motor vehicle having such a sliding door, and a door panel assembly for a sliding door.

Background technique

A sliding door usually used for a motor vehicle includes an inner panel and an outer panel formed by sheet metal stamping, and the inner panel and the outer panel form a sliding door assembly through hemming and spot welding. In addition, the sliding door is usually connected with the rails on the vehicle body through rollers. The sliding door assembly is approximately a rigid body, and the guide rails usually have relative position deviations (such as non-parallel), which causes the tolerance of the sliding door assembly and the parallelism tolerance of the guide rails to be adjusted by adjusting multiple rollers when installing the sliding door. The installation point is used for assembly and adjustment, and the assembly and adjustment process is very complicated.

Contents of the invention

Various embodiments of the present disclosure provide a sliding door for a motor vehicle, a motor vehicle including such a sliding door, and a door panel assembly for a sliding door.

According to one aspect of the present disclosure, there is provided a sliding door for a motor vehicle, which includes an upper guide rail module, a lower guide rail module and a flexible door panel, the upper guide rail module and the lower guide rail module are respectively connected to the vehicle's The guide rail assembly on the vehicle body cooperates to guide and support the movement of the sliding door, wherein the flexible door panel is connected between the upper guide rail module and the lower guide rail module.

According to another aspect of the present disclosure, there is provided a motor vehicle comprising a sliding door as described above.

According to yet another aspect of the present disclosure, there is provided an upper door panel assembly for a sliding door of a motor vehicle, wherein the upper door panel assembly constitutes only the upper half of the sliding door and includes a window frame and a The upper rail module connected to the top of the window frame; and the upper door panel assembly also includes at least one flexible section in the up and down direction, the flexible section runs through the entire width direction of the upper door panel assembly and is formed by a flexibly deformable Made of flexible material.

According to yet another aspect of the present disclosure, there is provided a lower door panel assembly for a sliding door of a motor vehicle, wherein the lower door panel assembly constitutes only the lower half of the sliding door and includes a lower rail module and a flexible lower The door panel, the lower guide rail module is connected to the bottom side of the flexible lower door panel; and the flexible lower door panel includes at least one flexible section in the up and down direction, and the flexible section runs through the entire width direction of the flexible lower door panel And made of flexible material capable of flexible deformation.

The sliding door according to various embodiments is configured to include a flexible door panel connected between the upper and lower guide rail modules, the flexible deformation of the flexible door panel can absorb the relative position deviation between the upper and lower guide rails of the sliding door, and facilitate the installation of the sliding door , and is conducive to the smooth operation of the sliding door, improving user experience, reducing damage to the sliding door due to positional deviation, and prolonging the service life of the sliding door.

Description of drawings

Other characteristics, objects and advantages of the present disclosure will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a perspective view of an example of a sliding door and a vehicle having such a sliding door according to Embodiment 1 of the present disclosure;

Figure 2 shows an example of an upper door panel assembly for the sliding door shown in Figure 1;

Fig. 3 shows the top side and the upper guide rail module of the flexible door panel of the sliding door shown in Fig. 1 in a partial sectional view;

Figure 4 shows an example of a lower rail module for the sliding door shown in Figure 1;

Fig. 5 shows an example of a flexible lower door panel for the sliding door shown in Fig. 1;

Figure 6 shows an example of a lower door panel assembly for the sliding door shown in Figure 1;

7 is a perspective view of an example of a sliding door according to Embodiment 2 of the present disclosure;

Figure 8 shows an example of an upper door panel assembly for the sliding door shown in Figure 7;

Fig. 9 is a perspective view of an example of a flexible door panel of a sliding door according to Embodiment 3 of the present disclosure.

Detailed ways

The present disclosure will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the relevant disclosure, not to limit the disclosure. For ease of description, only the parts relevant to the disclosure are shown in the drawings.

It should be noted that, in the case of no conflict, multiple embodiments and features in multiple embodiments in the present disclosure may be combined with each other.

FIG. 1 shows a perspective view of a sliding door according to Embodiment 1 of the present disclosure and an example of a vehicle having such a sliding door.

As shown in FIG. 1 , a sliding door 10 according to an embodiment of the present disclosure includes an upper rail module 100 , a lower rail module 200 and a flexible door panel 300 . The upper guide rail module 100 and the lower guide rail module 200 are respectively used to cooperate with the guide rail assembly 1a (see FIG. 3 ) on the body of the vehicle 1 (only the cockpit part is shown in FIG. 1 ) to guide and support the movement of the sliding door 10 . The flexible door panel 300 is connected between the upper rail module 100 and the lower rail module 200 .

According to an embodiment of the present disclosure, the upper rail module 100 and the lower rail module 200 may be formed as rigid modules and connected to the vehicle body by cooperating with a rail assembly on the vehicle body. The flexible door panel 300 can absorb the relative position deviation between the upper guide rail module 100 and the lower guide rail module 200 through its own flexible deformation. Ideally, the upper rail assembly 120 of the upper rail module 100 and the lower rail assembly 220 of the lower rail module 200 should be kept parallel to each other with a predetermined distance between them. However, the two guide rail assemblies that are fixedly installed on the vehicle body and respectively cooperate with the upper guide rail module 100 and the lower guide rail module 200 cannot be kept parallel or maintain a predetermined distance due to manufacturing tolerances, installation errors, and deformation of the vehicle body when the vehicle is running. . Correspondingly, after the upper guide rail module 100 and the lower guide rail module 200 cooperate with the guide rail assembly on the vehicle body, there will be various relative position deviations between the two, including but not limited to relative twisting. In this case, the sliding door 10 according to the embodiment of the present disclosure can well absorb the above-mentioned relative position deviation through the flexible deformation of the flexible door panel 300, which facilitates the installation of the sliding door 10 and facilitates the smooth operation of the sliding door. Improve the user experience, reduce the damage to the sliding door, especially the upper and lower guide rail components due to positional deviation, and prolong the service life of the sliding door.

According to Embodiment 1, the flexible door panel 300 includes a window frame 310 and a flexible lower door panel 320 connected between the bottom end of the window frame 310 and the lower rail module 200 . As will be described in more detail below with reference to FIG. 5 , the flexible lower door panel 320 includes at least one flexible section that runs through the entire width direction of the flexible door panel/lower door panel and is made of flexible material capable of flexible deformation.

In the example shown in FIG. 1 , the upper rail module 100 may include a first bracket 110 and an upper rail assembly 120 fixed on the first bracket 110 ; the lower rail module 200 may include a second bracket 210 and be fixed on the second bracket 210 The lower rail assembly 220. The upper rail module 100 and the lower rail module 200 cooperate with the rail assembly on the body of the vehicle 1 through the upper rail assembly 120 and the lower rail assembly 220 respectively.

FIG. 2 exemplarily shows the window frame 310 used for the upper rail module 100 and the flexible door panel 300 of the sliding door 10 shown in FIG. 1 . In the example shown in FIG. 2 , the upper rail module 100 is fixed on the top of the window frame 310 . Preferably, the first bracket 110 protrudes from the top of the window frame 310 to the inner side A of the sliding door 10, and the upper rail assembly 120 is connected to the end of the first bracket 110. In this application, "inside" refers to the side of the sliding door or the door panel assembly described below facing the vehicle body.

Advantageously, as shown in FIG. 2 , the top end of the window frame 310 may be formed as a top side bent portion 310 a deflected toward the inner side A of the sliding door 10 .

A window pane may or may not be installed in the window frame 310 . The sliding door 10 according to an embodiment of the present disclosure is not limited in this regard.

For clarity, FIG. 3 shows the top side of the flexible door panel 300 of the sliding door 10 shown in FIG. 1 and the upper rail module 100 in a partial cross-sectional view. As shown in FIG. 3 , the first bracket 110 may include a rigid beam 111 extending along the width direction of the sliding door 10 and a support arm 112 extending from the rigid beam 111 . An upper rail assembly 120 may be attached to an end of the support arm 112 . The width direction of the sliding door 10 is perpendicular to the up-down direction. In FIG. 3, the width direction is perpendicular to the drawing plane.

Referring back to FIG. 2 , according to some embodiments of the present disclosure, the upper rail module 100 may be provided together with the window frame 310 as the upper door panel assembly 10A constituting the sliding door 10 according to an embodiment of the present disclosure. According to such an embodiment, the upper door panel assembly 10A only constitutes the upper half of the sliding door 10, and includes the window frame 310 and the upper rail module 100 connected to the top end of the window frame 310; It includes at least one flexible section (not shown in the figure), which runs through the entire width direction of the upper door panel assembly 10A and is made of a flexible material capable of flexible deformation. Other structures of the upper door panel assembly 10A may be the same or similar to the upper rail module 100 described above with reference to FIG. 2 and FIG. 3 , and will not be repeated here.

An example of a lower rail module 200 is shown in FIG. 4 . In the example shown in FIG. 4 , the second bracket 210 of the lower rail module 200 includes a rigid beam 211 extending along the width direction of the sliding door 10 and a support arm 212 protruding from the rigid beam 211; the lower rail assembly 220 is connected to the support The end of the arm 212. The rigid beam 211 of the lower rail module 200 may be fixedly connected to the bottom side of the flexible lower door panel 320 .

Preferably, the upper guide rail assembly 120 and the lower guide rail assembly 220 respectively cooperate with the guide rail assemblies on the body of the vehicle 1 to form a three-section ball guide rail (see FIG. 3 ).

Next, the flexible lower door panel 320 of the sliding door 10 will be introduced. According to different implementations of this embodiment, the flexible lower door panel 320 includes at least one flexible section in the up-down direction. Here, the "flexible section" is a section of structure that runs through the entire width direction of the flexible lower door panel 320 and is made of a flexible material capable of flexible deformation.

FIG. 5 shows an example of the flexible lower door panel 320 of the sliding door 10 . In the example shown in FIG. 5, the flexible lower door panel 320 includes a flexible section 320a and a rigid section 320b, wherein the flexible section 320a can be made of, for example, plastic, braid, rubber or a composite material with flexible fibers, and The rigid section 320b may be made of, for example, steel, and the flexible section 320a is fixedly connected to the rigid section 320b. In this way, the flexible lower door panel 320 can well absorb the relative position deviation between the upper and lower guide rail modules/upper and lower guide rail assemblies through the flexible deformation of the flexible section 320a.

In an advantageous embodiment, the flexible door panel 300 includes a plurality of flexible sections 320a and/or a plurality of rigid sections 320b. Similar to the example shown in Fig. 5, the flexible section 320a may be made of, for example, plastic, braid, rubber, or a composite material with flexible fibers, while the rigid section 320b may be made of, for example, steel. The flexible section 320a is fixedly connected to the rigid section 320b and can be arranged at intervals. Advantageously, the sum of the areas of the flexible sections 320a on the entire flexible lower door panel 320 may be much smaller than the sum of the areas of the plurality of rigid sections 320b. In this way, the flexible lower door panel 320 can not only absorb the relative position deviation between the upper and lower guide rail modules/upper and lower guide rail assemblies through the flexible deformation of the multiple flexible sections 320a, but also can absorb the relative position deviation between the upper and lower guide rail modules and the upper and lower guide rail assemblies through the flexible deformation of the flexible sections 320a. The rigid section 320b ensures the side collision safety of the driver and passengers.

In other advantageous embodiments, the flexible lower door panel 320 may be entirely made of a flexible material capable of flexible deformation. By way of example only, and not limitation, the flexible lower door panel 320 may be entirely made of plastic, braided fabric, rubber, or a composite material with flexible fibers.

In some advantageous embodiments, both ends of the flexible lower door panel 320 can be respectively fixed to the first bracket 110 of the upper rail module 100 and the second bracket 210 of the lower rail module 200 by bonding, for example, they can be bonded to the first bracket 210 of the lower rail module 200 respectively. The rigid beam 111 of the bracket 110 and the rigid beam 211 of the second bracket 210 .

Continuing to refer to FIG. 5 , advantageously, the bottom side of the flexible lower door panel 320 may be provided with a bottom side bending portion 321 deflected toward the inner side A of the sliding door 10 .

In addition, as shown in FIG. 5 , the bottom side of the flexible lower door panel 320 may be provided with a sealing member 322 protruding toward the inner side A of the sliding door 10 . The sealing member 322 is, for example, connected to, for example, the bottom-side bent portion 321 . The sealing member 322 is used to cooperate with the body of the vehicle 1 (for example, a seal provided on the body) to realize the dustproof sealing of the bottom side of the sliding door 10 . Preferably, the sealing member 322 protrudes laterally towards the inner side A. As shown in FIG.

According to some embodiments of the present disclosure, the lower rail module 200 and the flexible lower door panel 320 may be combined to form the lower door panel assembly 10B for constituting the sliding door 10 according to the embodiment of the present disclosure. FIG. 6 shows an example of a lower door panel assembly 10B. As shown in FIG. 6 , the lower door panel assembly 10B only constitutes the lower half of the sliding door 10 , which includes a lower rail module 200 and a flexible lower door panel 320 , wherein the lower rail module 200 is connected to the bottom side of the flexible lower door panel 320 . Referring to FIG. 5 and FIG. 6, the flexible lower door panel 320 of the lower door panel assembly 10B includes at least one flexible section 320a in the up-down direction, and the flexible section 320a runs through the entire width direction of the flexible lower door panel 320 and is made of a flexible material capable of flexible deformation. production.

4 and 6, the lower rail module 200 may include a second bracket 210 and a lower rail assembly 220 fixed on the second bracket 210, the second bracket 210 is preferably toward the inner side A of the lower door panel assembly 10B (sliding with The inner side of the door 10) protrudes.

As shown in FIG. 4 , the lower rail module 200 of the lower door panel assembly 10B may include a rigid beam 211 extending along the width direction of the sliding door, a support arm 212 protruding from the rigid beam 211 , and a support arm 212 connected to the end of the support arm 212. Lower rail assembly 220 . The rigid beam 211 of the lower rail module 200 may be fixedly connected to the bottom side of the flexible lower door panel 320 , for example to the bottom side bend 321 of the flexible lower door panel 320 .

Other structures of the lower door panel assembly 10B may be the same or similar to the lower guide rail module 200 and the flexible door panel 300 described above with reference to FIG. 4 and FIG. 5 , and will not be repeated here.

An example of the sliding door 10 according to Embodiment 1 of the present disclosure has been described above with reference to FIGS. 1 to 6 . It should be understood that the upper rail module 100 and the lower rail module 200 of the sliding door 10 according to Embodiment 1 of the present disclosure are not limited to include bracket structures (first bracket 110 and second bracket 210 ), such as upper and

lower rail assemblies

120 , 220 may be directly fixedly attached to the top and bottom sides of the flexible door panel 300 . In addition, in other implementations of this embodiment, the top side bending portion 310a described above as the top side structure of the window frame 310 may also be formed as a part of the upper rail module 100, for example, integrally formed with the bracket of the upper rail module 100 . In this case, the top side bent portion may be non-detachably connected to the top end of the window frame 310 by, for example, welding, or detachably connected and fixed to the top end of the window frame 310 by, for example, screwing.

An example of a sliding door according to Embodiment 2 of the present disclosure will be described below with reference to FIGS. 7 and 8 .

Fig. 7 shows a perspective view of a sliding door 10' according to Embodiment 2 of the present disclosure. As shown in FIG. 7 , the sliding door 10' includes an upper rail module 100', a lower rail module 200' and a flexible door panel 300'. Like the sliding door 10 according to Embodiment 1 of the present disclosure, the upper rail module 100' and the lower rail module 200' cooperate with the rail assembly on the vehicle body of the vehicle 1 (see FIG. 1 ) to guide and support the sliding door 10 'Movement. The flexible door panel 300' is connected between the upper rail module 100' and the lower rail module 200'.

According to the second embodiment, the flexible door panel 300' includes a window frame 310', a lower door panel 320' connected between the bottom end of the window frame 310' and the lower rail module 200', and a lower door panel 320' connected between the top end of the window frame 310' and the upper rail module. 100' between flexible members 330'. The flexible member 330' runs through the entire width direction of the flexible door panel 300' and is made of a flexible material capable of flexible deformation, thereby constituting a flexible section of the flexible door panel 300'. For example, the flexible member 330' may be made of plastic, braid, rubber, or a composite material with flexible fibers. In this way, the flexible door panel 300' can well absorb the relative position deviation between the upper and lower guide rail modules/upper and lower guide rail assemblies through the flexible deformation of the flexible member 330'.

The upper guide rail module 100' and the lower guide rail module 200' of the sliding door 10' according to the second embodiment may be the same as or similar to the upper guide rail module 100 and the lower guide rail module 200 of the sliding door 10 according to the first embodiment. Let me repeat.

Advantageously, the flexible member 330' forms a top side bend 330'a deflected towards the inner side A of the sliding door 10'.

It should be understood that in other implementation manners of this embodiment, the flexible member 330' may not include the top-side bending portion 330'a. In this case, the bottom side of the bracket structure of the upper rail module 100' may include a bent portion, for example integrally formed with the first bracket of the upper rail module 100'; The bent portion of the bottom side of the module 100'.

In addition, in other implementations of this embodiment, the flexible member may be connected between the top of the window frame and the upper rail module, and constitute a bent portion or the bend that is bent from the top of the window frame toward the inside of the sliding door. part of the folded section.

In another implementation manner of this embodiment, the above-mentioned flexible member can also be arranged between the bottom end of the window frame 310' and the lower door panel 320'. Similarly, the flexible door panel 300' can Absorb the relative positional deviation between the upper and lower rail modules/upper and lower rail assemblies efficiently.

According to some embodiments of the present disclosure, the upper rail module 100', the flexible member 330' and the window frame 310' may be provided together as the upper door panel assembly 10'A for constituting the sliding door 10' according to the embodiment of the present disclosure. FIG. 8 shows an example of an upper door panel assembly 10'A for a sliding door 10'. According to such an embodiment, the upper door panel assembly 10'A constitutes only the upper half of the sliding door 10', and includes the window frame 310', the upper rail module 100' fixedly connected to the top of the window frame 310', and the The flexible member 330' between the top of the window frame 310' and the upper rail module 100'.

As a supplement or an alternative, a flexible piece can be provided at the bottom of the window frame. The flexible piece runs through the entire width direction of the flexible door panel and is made of a flexible material capable of flexible deformation, thereby constituting a flexible section of the flexible door panel. In a word, the upper door panel assembly may include at least one flexible section in the up and down direction, and the flexible section runs through the entire width direction of the upper door panel assembly and is made of a flexible material capable of flexible deformation.

The upper rail module 100' of the upper door panel assembly 10'A may be the same as or similar to the upper rail module 100 described above with reference to FIG. 2 and FIG.

According to the second embodiment, the lower door panel 320 ′ of the sliding door 10 ′ may include at least one flexible section like the flexible lower door panel 320 of the sliding door 10 , or may be a rigid member without a flexible section. In addition, the lower door panel 320' and the window frame 310' may be formed as separate components and assembled together, or integrally formed. In an embodiment where the lower door panel 320' and the window frame 310' are separate components, the lower rail module 200' and the lower door panel 320' may be provided together as a lower door panel for constituting the sliding door 10' according to an embodiment of the present disclosure. components (not shown). In the case that the lower door panel 320' includes at least one flexible section, the lower door panel assembly of the sliding door 10' may be the same as or similar to the lower door panel assembly 10B introduced with reference to FIG. 6, which will not be repeated here.

The flexible door panels of the sliding doors described above according to Embodiment 1 and Embodiment 2 of the present disclosure all include window frames, but the present disclosure is not limited thereto. For example, Fig. 9 shows that the flexible door panel 300" of the sliding door according to the third embodiment of the present disclosure may not include a window frame.

In the example shown in FIG. 9 , the flexible door panel 300 ″ is entirely made of a flexible material capable of flexible deformation. In other implementations of this embodiment, the flexible door panel 300 ″ may include at least one flexible section in the up-down direction, and the flexible section The section runs through the entire width direction of the flexible door panel 300" and is made of a flexible material capable of flexible deformation.

Advantageously, both ends of the flexible door panel 300" can be respectively fixed to the upper rail module and the lower rail module by bonding.

Advantageously, as shown in Fig. 9, the top side of the flexible door panel 300" can be provided with a bent part 300"a that is bent toward the inside of the sliding door; The bent portion 300"b is bent inside. However, it should be understood that the flexible door panel 300" according to this embodiment may not include the above-mentioned bending parts, or only include one of them.

Advantageously, although not shown, the top side and/or the bottom side of the flexible door panel 300" may be provided with a sealing member protruding towards the inner side A of the sliding door. For example, the sealing member may be the same as the flexible lower door panel shown in Fig. 5 Seal 322 of 320 is the same or similar.

According to other embodiments of the present disclosure, there is also provided a motor vehicle 1 (see FIG. 1 ), which includes the sliding door according to the embodiments of the present disclosure as described above. All the features of the sliding door according to the embodiments of the present disclosure described above with reference to the accompanying drawings can be incorporated in the motor vehicle 1 , and will not be repeated here.

The above description is only a preferred embodiment of the present application and an illustration of the applied technical principles. Those skilled in the art should understand that the scope of the disclosure involved in this application is not limited to the technical solution formed by the specific combination of the above technical features, but also covers the technical solutions made by the above technical features without departing from the disclosed concept. Other technical solutions formed by any combination of or equivalent features thereof. For example, a technical solution formed by replacing the above-mentioned features with technical features with similar functions disclosed in (but not limited to) this application.

Claims

A sliding door for a motor vehicle, comprising an upper guide rail module, a lower guide rail module and a flexible door panel, the upper guide rail module and the lower guide rail module respectively cooperate with the guide rail assembly on the body of the vehicle to guide and Supporting the movement of the sliding door, wherein the flexible door panel is connected between the upper guide rail module and the lower guide rail module.
The sliding door according to claim 1, wherein the entire flexible door panel is made of a flexible material capable of flexible deformation.
The sliding door according to claim 2, wherein the two ends of the flexible door panel are respectively fixed to the upper guide rail module and the lower guide rail module by bonding.
The sliding door according to claim 1, wherein the top side and/or the bottom side of the flexible door panel are provided with a bent portion which is deflected toward the inner side of the sliding door.
The sliding door according to claim 1 or 4, wherein the top side and/or the bottom side of the flexible door panel is provided with a sealing member protruding toward the inner side of the sliding door.
The sliding door according to claim 1, wherein the flexible door panel comprises at least one flexible section in the up-down direction, the flexible section runs through the entire width direction of the flexible door panel and is made of a flexible material capable of flexible deformation production.
The sliding door of claim 6, wherein said flexible door panel further comprises a window frame.
The sliding door according to claim 7, wherein the upper rail module is fixed on the top of the window frame, and the flexible door panel further includes a The flexible lower door panel in between, the flexible lower door panel includes the at least one flexible section.
The sliding door according to claim 8, wherein the top end of the window frame is formed as a top side bent portion bent toward an inner side of the sliding door.
The sliding door according to claim 8 or 9, wherein the whole of the flexible lower door panel is made of a flexible material capable of flexible deformation.
The sliding door according to claim 10, wherein the bottom side of the flexible lower door panel is provided with a bent portion which is deflected toward the inner side of the sliding door.
The sliding door according to claim 10 or 11, wherein the bottom side of the flexible lower door panel is provided with a sealing member protruding toward an inner side of the sliding door.
The sliding door of claim 7, wherein said at least one flexible section comprises a flexible member connected between a top end of said window frame and said upper rail module.
The sliding door of claim 13, wherein the flexible member forms a top side bend deflected toward an inner side of the sliding door.
The sliding door according to claim 1, wherein the upper rail module includes a first bracket and an upper rail assembly fixed on the first bracket, and the lower rail module includes a second bracket and is fixed on the The lower guide rail assembly on the second bracket, the upper guide rail module and the lower guide rail module cooperate with the guide rail assembly on the vehicle body through the upper guide rail assembly and the lower guide rail assembly respectively.
The sliding door of claim 15, wherein the first bracket protrudes toward an inner side of the sliding door.
The sliding door of claim 15, wherein the second bracket protrudes toward an inner side of the sliding door.
The sliding door according to any one of claims 15-17, wherein the first bracket comprises a rigid beam extending along the width direction of the sliding door and a support arm protruding from the rigid beam, the end of the support arm is connected to the lower rail assembly; and/or

The second bracket includes a rigid beam extending along the width direction of the sliding door and a support arm protruding from the rigid beam, and an end of the support arm is connected to the lower guide rail assembly.
The sliding door according to any one of claims 15-17, wherein the upper guide rail assembly and the lower guide rail assembly respectively cooperate with the guide rail assemblies on the body of the vehicle to form a three-section ball guide rail.
A motor vehicle, comprising the sliding door according to any one of claims 1-19.
An upper door panel assembly for a sliding door of a motor vehicle, wherein the upper door panel assembly constitutes only the upper half of the sliding door and includes a window frame and an upper rail connected relative to the top end of the window frame module; and

The upper door panel assembly further includes at least one flexible section in the up-down direction, the flexible section runs through the entire width direction of the upper door panel assembly and is made of a flexible material capable of flexible deformation.
The upper door panel assembly according to claim 21, wherein the upper rail module comprises a first bracket and an upper rail assembly fixed on the first bracket, and the first bracket extends toward the inner side of the upper door panel assembly. out.
The upper door panel assembly of claim 21 or 22, said at least one flexible section comprising a flexible member connected between a top end of said window frame and said upper rail module.
A lower door panel assembly for a sliding door of a motor vehicle, wherein the lower door panel assembly only constitutes the lower half of the sliding door and includes a lower rail module and a flexible lower door panel, the lower rail module is connected to the bottom side of the flexible lower door panel; and

The flexible lower door panel includes at least one flexible section in the up-down direction, and the flexible section runs through the entire width direction of the flexible lower door panel and is made of a flexible material capable of flexible deformation.
The lower door panel assembly according to claim 24, wherein the lower rail module comprises a second bracket and a lower rail assembly fixed on the second bracket, and the second bracket protrudes toward the inner side of the lower door panel assembly.
The lower door panel assembly according to claim 25, wherein said second bracket comprises a rigid beam extending along the width direction of said sliding door, a support arm protruding from said rigid beam, and a support arm connected to said support arm. The end of the lower rail assembly, the rigid beam is fixedly connected to the bottom side of the flexible lower door panel.