CN219565249U - Rear side wall assembly and vehicle with same - Google Patents

Abstract

The utility model discloses a rear side wall assembly and a vehicle with the same, wherein the rear side wall assembly comprises: the C column assembly and the transverse connection structure are internally provided with a mounting groove, a first cavity which is communicated in the up-down direction and has a closed section is formed in the C column assembly, the front end of the transverse connection structure is connected with the C column assembly, a second cavity which is communicated in the front-back direction and has a closed section is formed in the transverse connection structure, and the front end of the second cavity is communicated with the first cavity; the sliding door guide rail is arranged on the outer side of the transverse connection structure, and the front end of the sliding door guide rail extends into the mounting groove. According to the rear side wall assembly, the occurrence of a breathing mode due to relative weakness of the mounting groove can be well avoided, so that the NVH performance of a vehicle can be improved to improve the riding comfort of drivers and passengers, meanwhile, the C column assembly can form a communicating transmission path with the transverse connection structure, and the structural strength and the rigidity of the rear side wall assembly are improved.

Description

Rear side wall assembly and vehicle with same

Technical Field

The utility model relates to the technical field of vehicle parts, in particular to a rear side wall assembly and a vehicle with the same.

Background

With the improvement of the living standard of people and the rapid development of the automobile industry, vehicles enter into thousands of households and become an indispensable transportation means for daily life. When purchasing vehicles, people usually select vehicle types such as sedans, SUVs, MPVs and the like according to use requirements, and in order to meet passenger capacity and comfort requirements, the MPVs become the preferred vehicle types when more and more people purchase vehicles.

However, since the vehicle door on the rear side of the MPV is typically a sliding door and the rails are typically mounted to the side rail structure, the rail mounting compresses the C-pillar for ease of installation, resulting in the overall structure of the C-pillar and side rail assembly being damaged, directly affecting the structural strength and rigidity of the vehicle body structure.

Disclosure of Invention

The utility model provides a rear side wall assembly, which can better avoid the occurrence of respiratory modes due to relative weakness at an installation groove, further can improve the NVH performance of a vehicle so as to improve the riding comfort of drivers and passengers, and has the advantages of high structural strength and rigidity.

The utility model further provides a vehicle with the rear side wall assembly.

According to an embodiment of the utility model, a rear side wall assembly includes: the outer side surface of the C column assembly forms a mounting groove, and a first cavity which is communicated in the vertical direction and has a closed section is formed in the C column assembly; the front end of the transverse connecting structure is connected with the C column assembly, a second cavity which is communicated in the front-back direction and has a closed section is formed in the transverse connecting structure, and the front end of the second cavity is communicated with the first cavity; the sliding door guide rail is arranged on the outer side of the transverse connection structure, and the front end of the sliding door guide rail extends into the mounting groove.

According to the rear side wall assembly provided by the embodiment of the utility model, the mounting groove which is formed on the C column assembly and is used for avoiding the front end of the sliding door guide rail, and the first cavity which is penetrated up and down and has a closed section are formed, so that the influence of the compression of the front end of the sliding door guide rail on the integral rigidity of the C column assembly at the position of the mounting groove can be better improved, the breathing mode generated at the mounting groove due to relative weakness can be better avoided, and the NVH performance of a vehicle can be improved to improve the riding comfort level of drivers and passengers; in addition, the transverse connection structure forms a second cavity which is communicated in the front-back direction and is closed in cross section, the front end of the transverse connection structure is connected with the C column assembly, and the first cavity is communicated with the second cavity, so that the C column assembly can form a communicated transmission path with the transverse connection structure, and the structural strength and the rigidity of the rear side wall assembly are improved.

According to some embodiments of the utility model, the C-pillar assembly forms a rearward extending fitting portion at a middle portion in an up-down direction, a rear end of the fitting portion is connected to a front end of the lateral connecting structure, a communication cavity is formed in the fitting portion at the middle portion in the up-down direction of the first cavity, the communication cavity is communicated with a front end of the second cavity, and the mounting groove is located at a front side of the communication cavity.

According to some embodiments of the utility model, the C-pillar assembly comprises: a reinforcing plate on the C column; the lower end of the C column reinforcing plate is connected with the lower end of the upper C column reinforcing plate, and the mounting groove is formed on the outer side surface of the upper end of the lower C column reinforcing plate; the C column inner plate is arranged on the inner side of the C column upper reinforcing plate, the lower end of the C column inner plate is lower than the lower end of the C column upper reinforcing plate, and a first cavity is defined between the C column inner plate and the C column upper reinforcing plate; the inner panel under the C post, the inner panel is located under the C post the inboard of reinforcing plate under the C post and the upper end is less than under the C post the upper end of reinforcing plate, under the C post the inner panel with form the second cavity under the C post between the reinforcing plate, first cavity the mounting groove and the second cavity is arranged along the upper and lower direction, on the C post the inner panel with form the third cavity under the C post between the reinforcing plate, first cavity the second cavity and the third cavity constitutes jointly first die cavity.

According to some embodiments of the utility model, the rear side wall assembly further comprises a D column assembly, a third cavity which is penetrated along the up-down direction and has a closed section is formed in the D column assembly, the rear end of the transverse connecting structure is connected with the D column assembly, the rear end of the second cavity is communicated with the third cavity, and the rear end of the sliding door guide rail is positioned at an included angle between the connecting position of the transverse connecting structure and the D column assembly.

According to some embodiments of the utility model, the transverse connection structure comprises a transverse reinforcing plate and a transverse connection inner plate arranged on the inner side of the transverse reinforcing plate, the transverse reinforcing plate and the transverse connection inner plate define the second cavity, the D column assembly comprises a D column reinforcing plate and a D column inner plate arranged on the inner side of the D column reinforcing plate, the D column reinforcing plate and the D column inner plate define the third cavity, the front end and the rear end of the transverse reinforcing plate are respectively connected with the C column assembly and the D column reinforcing plate, the front end and the rear end of the transverse connection inner plate are respectively connected with the C column assembly and the D column inner plate, the transverse connection inner plate extends obliquely upwards in the forward-backward direction, and the rear end of the sliding door guide rail is arranged on the outer side surface of the transverse reinforcing plate and at an included angle between the transverse connection inner plate and the lower side of the D column reinforcing plate.

According to some embodiments of the utility model, the back side wall assembly further comprises a top edge beam, the top edge beam is located above the transverse connection structure, and front and rear ends of the top edge beam are respectively connected with the upper ends of the C column assembly and the D column assembly.

According to some embodiments of the utility model, the back side wall assembly further comprises: the wheel cover assembly is arranged below the transverse connection structure; the upper end and the lower end of the middle reinforcing structure are respectively connected with the transverse connecting structure and the wheel cover assembly, the middle reinforcing structure forms a fourth cavity which is communicated in the vertical direction and is closed in cross section, and the upper end of the fourth cavity is communicated with the second cavity.

According to some embodiments of the utility model, the wheel cover assembly comprises a wheel cover inner plate, a wheel cover outer plate and a shock absorber mounting plate, wherein the wheel cover inner plate is arranged on the inner side of the wheel cover outer plate, the shock absorber mounting plate is arranged on the outer side wall of the wheel cover inner plate, the middle reinforcing structure comprises a middle reinforcing plate and a middle connecting plate arranged on the inner side of the middle reinforcing plate, the upper end and the lower end of the middle reinforcing plate are respectively connected with the transverse connecting structure and the wheel cover outer plate, the middle connecting plate comprises a first connecting part and a second connecting part, the first connecting part extends along the inner side wall of the wheel cover inner plate and is opposite to the shock absorber mounting plate on the two sides of the wheel cover inner plate, the upper end and the lower end of the second connecting part are respectively connected with the transverse connecting structure and the upper end of the first connecting part, and the fourth cavity is defined between the second connecting part and the middle reinforcing plate.

According to some embodiments of the utility model, the back side wall assembly further comprises a driving motor for driving the sliding door to slide, and the driving motor and the middle reinforcing structure are arranged at intervals in the front-rear direction.

According to an embodiment of the present utility model, a vehicle includes: the rear side wall assembly.

According to the vehicle disclosed by the embodiment of the utility model, the mounting groove for avoiding the front end of the sliding door guide rail and the first cavity which is penetrated up and down and has a closed cross section are formed on the C column assembly, so that the influence of compression of the front end of the sliding door guide rail on the integral rigidity of the C column assembly at the position of the mounting groove can be better improved, and the occurrence of a respiratory mode due to relative weakness of the mounting groove can be better avoided, and the NVH performance of the vehicle can be further improved to improve the riding comfort level of drivers and passengers; in addition, the transverse connection structure forms a second cavity which is communicated in the front-back direction and is closed in cross section, the front end of the transverse connection structure is connected with the C column assembly, and the first cavity is communicated with the second cavity, so that the C column assembly can form a communicated transmission path with the transverse connection structure, the structural strength and the rigidity of the rear side wall assembly are improved, and the safety of a vehicle is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic illustration of an outboard view of a side back assembly according to an embodiment of the utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A' of FIG. 1;

FIG. 4 is a schematic view of a rear side view angle of a rear side wall assembly according to an embodiment of the utility model;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is a schematic illustration of an inboard view of a side back assembly according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6;

fig. 8 is a cross-sectional view taken along D-D in fig. 6.

Reference numerals:

a rear side wall assembly 100;

a C column assembly 1; a first cavity 10; a communication chamber 101; a mounting groove 11; a fitting portion 12; a reinforcing plate 13 on the C column; a C-pillar lower reinforcement plate 14; a C-pillar upper inner panel 15; a C-pillar lower inner panel 16;

a first chamber 10a; a second cavity 10b; a third chamber 10c;

a transverse connection 2; a second cavity 20; a transverse reinforcing plate 21; a mounting hole 211; a laterally joined inner panel 22;

a D column assembly 3; a third cavity 30; d column reinforcement plates 31; a D pillar inner panel 32;

a roof side rail 4;

a wheel cover assembly 5; a wheel cover inner plate 51; a wheel cover outer plate 52; a damper mounting plate 53;

a middle reinforcing structure 6; a fourth cavity 60; a middle reinforcing plate 61; a middle connecting plate 62; a first connection portion 621; a second connection portion 622;

sliding door rail 200.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

A side mirror assembly 100 according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

As shown in fig. 1 to 8, a back side wall assembly 100 according to an embodiment of the present utility model includes: the C column assembly 1, the transverse connecting structure 2 and the sliding door guide rail 200 are arranged, a mounting groove 11 is formed on the outer side of the C column assembly 1, and a first cavity 10 which penetrates in the up-down direction and has a closed section is formed in the C column assembly 1. The closed cross section here means that the side wall of the first cavity 10 forms a continuous and complete closed structure, so that the force borne by the C-pillar assembly 1 can be stably transmitted and dispersed, for example, the impact force borne by the upper end of the C-pillar assembly 1 can be transmitted and dispersed downwards, the impact force borne by the lower end of the C-pillar assembly 1 can be transmitted and dispersed upwards, and the impact force borne by the middle part of the C-pillar assembly 1 in the up-down direction can be transmitted and dispersed downwards, thereby being beneficial to improving the rigidity of the C-pillar assembly 1.

Further, the front end of the transverse connection structure 2 is connected with the C-pillar assembly 1, a second cavity 20 which is penetrated along the front-back direction and has a closed cross section is formed in the transverse connection structure 2, and the front end of the second cavity 20 is communicated with the first cavity 10. The cross-section closing means that the side wall of the second cavity 20 forms a continuous and complete closed structure, so that the transverse connection structure 2 can continuously and stably transmit and disperse the impact force born by the transverse connection structure, and the rigidity of the transverse connection structure 2 can be better improved. That is, the C-pillar assembly 1 is connected with the transverse connection structure 2 and the second cavity 20 is communicated with the first cavity 10, so that a communication transmission path is formed between the C-pillar assembly 1 and the transverse connection structure 2, and thus the impact force born by the C-pillar assembly 1 can be transmitted and dispersed backward through the transverse connection structure 2, for example, the impact force born by the C-pillar assembly 1 is transmitted and dispersed backward, for example, the load from the sliding door lock catch and the lower vehicle body is transmitted and dispersed backward, and further, the stress concentration on the C-pillar assembly 1 can be better avoided, and the torsional rigidity of the rear side wall assembly 100 is facilitated to be improved.

The sliding door rail 200 is disposed on the outer side of the transverse connection structure 2, where the outer side refers to the side of the transverse connection structure 2 facing the outside of the vehicle body structure, for example, the outer side of the transverse connection structure 2 located on the left side of the vehicle body structure is the left side of the transverse connection structure 2, and the outer side of the transverse connection structure 2 located on the right side of the vehicle body structure is the right side of the transverse connection structure 2, i.e., the rear side wall assembly 100 can be used in a vehicle type such as an MPV where a sliding door is required, so that the installation difficulty of the sliding door rail 200 and the matching difficulty with the sliding door can be reduced well. Further, the front end of the sliding door rail 200 extends into the installation groove 11.

It can be understood that the sliding door rail 200 extends approximately along the front-rear direction, and the front end of the rail 200 can be well accommodated in the mounting groove 11 to bend and extend toward the inner side of the side back assembly 100, wherein the inner side refers to the side of the side back assembly 100 facing away from the external space, so that the C-pillar assembly 1 forms the first cavity 10 penetrating up and down inside while avoiding the front end of the sliding door rail 200, thereby better improving the influence of the compression of the front end of the sliding door rail 200 on the overall rigidity of the C-pillar assembly 1 at the position of the mounting groove 11, namely better avoiding the breathing mode generated at the mounting groove 11 due to relative weakness, and further improving the NVH performance of the vehicle to improve the riding comfort of the driver. In addition, the sliding door guide rail 200 has two parts which are respectively arranged on the transverse connection structure 2 and the C-pillar assembly 1, the first cavity 10 can better ensure the rigidity of the C-pillar assembly 1, the second cavity 20 can better ensure the rigidity of the transverse connection structure 2, so that the stability of the sliding door guide rail 200 after being arranged can be better improved, the impact force born by the sliding door guide rail 200 can be transmitted and dispersed through the C-pillar assembly 1 and the transverse connection structure 2, and the rigidity of the C-pillar assembly 1 can be ensured while the firm installation of the sliding door guide rail 200 is ensured.

According to the rear side wall assembly 100 disclosed by the embodiment of the utility model, the mounting groove 11 avoiding the front end of the sliding door guide rail 200 and the first cavity 10 penetrating up and down and having a closed section are formed on the C column assembly 1, so that the influence of the compression of the front end of the sliding door guide rail 200 on the integral rigidity of the C column assembly 1 at the position of the mounting groove 11 can be better improved, the occurrence of a breathing mode due to the relative weakness of the mounting groove 11 can be better avoided, and the NVH performance of a vehicle can be improved to improve the riding comfort level of drivers and passengers; in addition, the transverse connection structure 2 forms a second cavity 20 which is communicated in the front-back direction and has a closed cross section, the front end of the transverse connection structure 2 is connected with the C-pillar assembly 1, and the first cavity 10 is communicated with the second cavity 20, so that the C-pillar assembly 1 can form a communicated transmission path with the transverse connection structure 2, and the structural strength and rigidity of the rear side wall assembly 100 are improved.

According to some embodiments of the present utility model, the C-pillar assembly 1 is formed with a fitting portion 12 extending rearward at a middle portion in an up-down direction, a rear end of the fitting portion 12 is connected to a front end of the lateral connecting structure 2, a communication chamber 101 is formed in the fitting portion 12 at a middle portion in the up-down direction of the first cavity 10, the communication chamber 101 communicates with a front end of the second cavity 20, and the installation recess 11 is located at a front side of the communication chamber 101. That is, the C-pillar assembly 1 is connected with the lateral connection structure 2 through the fitting portion 12, the installation recess 11 is provided on the outer side surface of the middle part of the C-pillar assembly 1 in the up-down direction, the communication cavity 101 is located at the rear side of the installation recess 11, so that the first cavity 10 located above the installation recess 11 can be communicated with the first cavity 10 located below the installation recess 11 through the communication cavity 101, thereby ensuring a through structure of the first cavity 10 in the up-down direction, that is, ensuring that the first cavity 10 keeps up-down through while avoiding the installation recess 11, so that the C-pillar can provide an installation position for the front end of the guide rail 200 while avoiding the installation recess 11 from cutting off the first cavity 10 at the middle part of the C-pillar assembly 1 in the up-down direction, thereby better avoiding the breathing mode caused by the cutting off of the first cavity 10, and further improving the NVH performance of the vehicle body structure to improve the riding comfort of the user. Meanwhile, the first cavity 10 and the second cavity 20 can form a three-fork-shaped communication structure, so that the rigidity of the rear side wall assembly 100 is further improved.

In a specific example, the cross-sectional area of the communication chamber 101 is reduced in the front-to-rear direction, that is, the first cavity 10 is inclined to extend rearward in the direction from the upper and lower ends of the C-pillar assembly 1 to the intermediate position in the upper and lower directions of the C-pillar assembly 1, and the cross-sectional area of the rear end of the communication chamber 101 is smaller than the cross-sectional area of the front end of the communication chamber 101. Therefore, the communication cavity 101 avoids the mounting groove 11, ensures that the first cavity 10 is communicated up and down, and simultaneously can better save the mounting space occupied by the C column assembly 1, and has reasonable layout.

According to some embodiments of the utility model, the C-pillar assembly 1 comprises: the C column upper reinforcing plate 13, the C column lower reinforcing plate 14, the C column upper inner plate 15 and the C column lower inner plate 16, the upper end of the C column lower reinforcing plate 14 is connected with the lower end of the C column upper reinforcing plate 13, the mounting groove 11 is formed on the outer side surface of the upper end of the C column lower reinforcing plate 14, namely the front end of the guide rail 200 is mounted on the outer side surface of the upper end of the C column lower reinforcing plate 14, the C column upper inner plate 15 is arranged on the inner side of the C column upper reinforcing plate 13, the lower end of the C column upper inner plate 15 is lower than the lower end of the C column upper reinforcing plate 13, a first cavity 10a is defined between the C column upper inner plate 15 and the C column upper reinforcing plate 13, the C column lower inner plate 16 is arranged on the inner side of the C column lower reinforcing plate 14, the upper end of the C column lower reinforcing plate 14 is lower than the upper end of the C column lower reinforcing plate 14, a second cavity 10b is formed between the C column lower inner plate 16 and the C column lower reinforcing plate 14, the first cavity 10a, the mounting groove 11 and the second cavity 10b are arranged along the upper and lower directions, a third cavity 10C is formed between the C column upper plate 15 and the C column lower reinforcing plate 14, and the first cavity 10b is formed, and the third cavity 10C is arranged together.

That is, the C-pillar assembly 1 is formed by splicing the C-pillar upper reinforcing plate 13, the C-pillar upper inner plate 15, the C-pillar lower reinforcing plate 14 and the C-pillar lower inner plate 16, so that the C-pillar upper reinforcing plate 13, the C-pillar upper inner plate 15, the C-pillar lower reinforcing plate 14 and the C-pillar lower inner plate 16 can be produced by independent molding respectively, the production efficiency of the C-pillar upper reinforcing plate 13, the C-pillar upper inner plate 15, the C-pillar lower reinforcing plate 14 and the C-pillar lower inner plate 16 can be better improved, and the molding difficulty of the C-pillar assembly 1 can be reduced. In addition, the part of the lower end of the C-pillar upper inner panel 15 extending out of the C-pillar upper reinforcing panel 13 is disposed opposite to the part of the upper end of the C-pillar lower reinforcing panel 14 extending out of the C-pillar lower inner panel 16 in the inner-outer direction, and the mounting groove 11 is disposed on the side of the C-pillar lower reinforcing panel 14 facing away from the C-pillar lower inner panel 16 and on the part of the C-pillar lower reinforcing panel 14 opposite to the C-pillar upper inner panel 15, so that the third cavity 10C can be defined by welding the part of the C-pillar upper inner panel 15 and the C-pillar lower reinforcing panel 14 facing in the inner-outer direction, and the area of the connection, such as welding, of the C-pillar upper inner panel 15 and the C-pillar lower reinforcing panel 14 can be increased well, thereby further improving the structural strength and rigidity of the C-pillar assembly 1.

Specifically, a first cavity 10a with a closed cross section and passing through from top to bottom is defined between the C-pillar upper inner plate 15 and the C-pillar upper reinforcing plate 13, a second cavity 10b with a closed cross section and passing through from top to bottom is defined between the C-pillar lower inner plate 16 and the C-pillar lower reinforcing plate 14, the upper and lower ends of the third cavity 10C are respectively communicated with the first cavity 10a and the second cavity 10b to form a first cavity 10, and the third cavity 30 also forms an opening towards the rear side. Wherein, the lower end of the C-pillar upper reinforcing plate 13 extends backward to form a first protrusion, the upper end of the C-pillar lower reinforcing plate 14 extends backward to form a second protrusion, the lower end of the C-pillar upper inner plate 15 extends backward to form a third protrusion, the first protrusion, the second protrusion and the third protrusion together form the assembly portion 12, and the first protrusion, the second protrusion and the third protrusion together define the communication cavity 101.

In one specific example, the cross sections of the C-pillar upper inner panel 15 and the C-pillar upper reinforcement panel 13 are each L-shaped such that the C-pillar upper inner panel 15 and the C-pillar upper reinforcement panel 13 define a first cavity 10a of rectangular-like closed cross section, the cross section of the C-pillar lower inner panel 16 is formed into a shallow U-shape, the cross section of the C-pillar lower reinforcement panel 14 is formed into a deep U-shape, and the C-pillar lower inner panel 16 and the C-pillar lower reinforcement panel 14 define a second cavity 10b of rectangular-like closed cross section.

According to some embodiments of the present utility model, the back side wall assembly 100 further includes a D pillar assembly 3, a third cavity 30 is formed in the D pillar assembly 3, and the third cavity 30 is penetrated in an up-down direction and has a closed cross section, where the closed cross section refers to that a side wall of the third cavity 30 forms a continuous and complete closed structure, so that rigidity of the D pillar assembly 3 can be better improved, a rear end of the transverse connection structure 2 is connected to the D pillar assembly 3, and a rear end of the second cavity 20 is communicated with the third cavity 30. That is, the front and rear ends of the lateral connecting structure 2 are respectively connected with the C-pillar assembly 1 and the D-pillar assembly 3, that is, the C-pillar assembly 1 is connected with the D-pillar assembly 3 through the lateral connecting structure 2, so that the lateral connecting structure 2 can be better supported between the C-pillar assembly 1 and the D-pillar assembly 3, and the front and rear ends of the second cavity 20 are respectively communicated with the first cavity 10 and the third cavity 30, that is, the first cavity 10 is communicated with the third cavity 30 through the second cavity 20. Therefore, a communication transmission path is formed among the C column assembly 1, the transverse connection structure 2 and the D column assembly 3, so that the impact force born by the C column assembly 1 can be transmitted and dispersed backwards through the transverse connection structure 2 and the D column assembly 3, and the impact force born by the D column assembly 3 can be transmitted and dispersed forwards through the transverse connection structure 2 and the C column assembly 1, and the rigidity of the rear side wall assembly 100 can be better improved.

Further, the rear end of the sliding door rail 200 is located at an included angle between the connection position of the transverse connection structure 2 and the D-pillar assembly 3. That is, the communication between the second cavity 20 and the third cavity 30 is ensured while the fixed connection of the rear ends of the sliding door rail 200 is ensured. Therefore, the influence of the third cavity 30 on the rigidity of the D column assembly 3 during the installation of the rear end of the sliding door guide rail 200 can be better improved, the overall rigidity of the rear side wall assembly 100 can be improved, and the layout is reasonable.

According to some embodiments of the present utility model, the transverse connection structure 2 includes a transverse reinforcing plate 21 and a transverse connection inner plate 22 provided inside the transverse reinforcing plate 21, the transverse reinforcing plate 21 and the transverse connection inner plate 22 defining a second cavity 20. That is, the transverse connection structure 2 is formed by splicing the transverse reinforcing plate 21 and the transverse connection inner plate 22, so that the transverse reinforcing plate 21 and the transverse connection inner plate 22 can be formed independently, the production efficiency of the transverse reinforcing plate 21 and the transverse connection inner plate 22 can be improved better, and the forming difficulty of the transverse connection structure 2 can be reduced. In a specific example, the cross-sections of the transverse connection inner plate 22 and the transverse reinforcement plate 21 are each formed in an L shape, and the openings of the transverse connection inner plate 22 and the transverse reinforcement plate 21 are opposite, so that the deformation resistance of the transverse connection structure 2 can be improved well by defining the second cavity 20 having a rectangular-like closed cross section by the transverse connection inner plate 22 and the transverse reinforcement plate 21 together.

In addition, the D-pillar assembly 3 includes a D-pillar reinforcement plate 31 and a D-pillar inner panel 32 provided inside the D-pillar reinforcement plate 31, the D-pillar reinforcement plate 31 and the D-pillar inner panel 32 defining a third cavity 30. That is, the D-pillar assembly 3 is formed by splicing the D-pillar reinforcing plate 31 and the D-pillar inner plate 32, so that the D-pillar reinforcing plate 31 and the D-pillar inner plate 32 can be formed independently, the production efficiency of the D-pillar reinforcing plate 31 and the D-pillar inner plate 32 can be improved better, and the forming difficulty of the D-pillar assembly 3 can be reduced. In a specific example, the cross sections of the D-pillar inner plate 32 and the D-pillar reinforcing plate 31 are L-shaped, and the D-pillar inner plate 32 and the D-pillar reinforcing plate 31 can pass through the third cavity 30 defining a rectangular-like closed cross section, so that the molding difficulty of the D-pillar assembly 3 can be reduced better and the deformation resistance of the D-pillar assembly 3 can be improved better.

Further, the front and rear ends of the transverse reinforcing plate 21 are respectively connected with the C-pillar assembly 1 and the D-pillar reinforcing plate 31, the front and rear ends of the transverse connecting inner plate 22 are respectively connected with the C-pillar assembly 1 and the D-pillar inner plate 32, the transverse connecting inner plate 22 extends obliquely upwards in the front-to-rear direction, and the rear end of the sliding door guide rail 200 is arranged on the outer side surface of the transverse reinforcing plate 21 and is positioned at an included angle between the transverse connecting inner plate 22 and the lower side of the D-pillar reinforcing plate 31. That is, the second cavity 20 is extended obliquely upward in the front-to-rear direction, and the rear end of the sliding door rail 200 is located below the position where the rear end of the second cavity 20 communicates with the third cavity 30, for example, the mounting hole 221 formed in the lateral reinforcing plate 21 below the position where the second cavity 20 communicates with the third cavity 30 is used for fixing the rear end of the sliding door rail 200, wherein, since the sliding door rail 200 extends in the front-to-rear direction, the obliquely extended second cavity 20 can be ensured to communicate with the third cavity 30 while avoiding the mounting position of the rear end of the sliding door rail 200, and thus, the intrusion of the second cavity 20 or the third cavity 30 at the time of mounting the rear end of the sliding door rail 200 can be preferably prevented, which is advantageous for ensuring the rigidity of the lateral connecting structure 2 and the D pillar assembly 3.

Specifically, the front end of the transverse connection structure 2 is connected with the middle part of the C column assembly 1 in the up-down direction, the rear end of the transverse connection structure 2 is connected with the middle part of the D column assembly 3 in the up-down direction, and a T-shaped connection structure is formed between the transverse connection structure 2 and the D column assembly 3, so that the rigidity of the rear side wall assembly 100 is improved.

According to some alternative embodiments of the present utility model, the rear side wall assembly 100 further includes a roof rail 4, the roof rail 4 is located above the transverse connection structure 2, and front and rear ends of the roof rail 4 are connected to upper ends of the C-pillar assembly 1 and the D-pillar assembly 3, respectively. That is, the roof side rail 4 is spaced apart from the transverse connection structure 2 in the up-down direction, the front end of the roof side rail 4 is connected with the upper end of the C-pillar assembly 1, the rear end of the roof side rail 4 is connected with the upper end of the D-pillar assembly 3, that is, the C-pillar assembly 1 is connected with the D-pillar assembly 3 through the roof side rail 4 and the transverse connection structure 2, so that the C-pillar assembly 1, the roof side rail 4, the transverse connection structure 2 and the D-pillar assembly 3 can form a continuous and complete closed frame, and a continuous and stable transmission path can be formed among the C-pillar assembly 1, the roof side rail 4 and the D-pillar assembly 3, so that the impact force born by the C-pillar assembly 1 can be simultaneously transmitted and dispersed through the roof side rail 4 and the transverse connection structure 2, and the impact force born by the D-pillar assembly 3 can be transmitted and dispersed forward through the roof side rail 4 and the transverse connection structure 2, thereby being beneficial to further improving the structural strength and rigidity of the rear side wall assembly 100.

According to some embodiments of the utility model, the quarter light assembly 100 further comprises: the wheel cover assembly 5 and the middle part additional strengthening 6, the wheel cover assembly 5 locates the below of transverse connection structure 2, and the upper and lower both ends of middle part additional strengthening 6 are connected with transverse connection structure 2 and wheel cover assembly 5 respectively, and middle part additional strengthening 6 forms and link up and the cross-section is closed fourth die cavity 60 along the upper and lower direction, and here the cross-section is closed and is referred to the closed combination that the lateral wall of fourth die cavity 60 formed the completion in succession, can promote the rigidity of middle part additional strengthening 6 betterly.

Further, the upper end of the fourth cavity 60 communicates with the second cavity 20. That is, the upper end of the middle reinforcing structure 6 is connected with the transverse connection structure 2, and the lower end of the middle reinforcing structure 6 is connected with the wheel cover assembly 5, so that the wheel cover assembly 5 is connected with the transverse connection structure 2 through the middle reinforcing structure 6, and the second cavity 20 is communicated with the fourth cavity 60, so that a continuous stable transmission path can be formed among the wheel cover assembly 5, the middle reinforcing structure 6 and the transverse connection structure 2, impact force born by the wheel cover assembly 5 can be transmitted and dispersed upwards through the middle reinforcing structure 6 and the transverse connection structure 2, stress concentration at the wheel cover assembly 5 can be well avoided, and the rigidity of the wheel cover assembly 5 is improved. Specifically, the upper end of the middle reinforcing structure 6 is connected with the middle of the lateral connecting structure 2 in the front-rear direction, and the middle reinforcing structure 6 and the lateral connecting structure 2 form a T-shaped connecting structure.

According to some alternative embodiments of the present utility model, the wheel cover assembly 5 includes a wheel cover inner plate 51, a wheel cover outer plate 52, and a damper mounting plate 53, the wheel cover inner plate 51 is disposed inside the wheel cover outer plate 52, the damper mounting plate 53 is disposed on an outer side wall of the wheel cover inner plate 51, that is, the damper mounting plate 53 is disposed on a side of the wheel cover inner plate 51 facing the wheel cover outer plate 52, the middle reinforcement structure 6 includes a middle reinforcement plate 61 and a middle connection plate 62 disposed on an inner side of the middle reinforcement plate 61, upper and lower ends of the middle reinforcement plate 61 are respectively connected to the lateral connection structure 2 and the wheel cover outer plate 52, the middle connection plate 62 includes a first connection portion 621 and a second connection portion 622, the first connection portion 621 extends along an inner side wall of the wheel cover inner plate 51 and is disposed opposite to the damper mounting plate 53 on both sides of the wheel cover inner plate 51, and upper and lower and upper ends of the second connection portion 622 are respectively connected to the lateral connection structure 2 and an upper end of the first connection portion 622 and the middle reinforcement plate 61, thereby defining a fourth cavity 60 therebetween.

That is, the upper end of the middle reinforcing plate 61 is connected to the lateral connecting structure 2, the lower end of the middle reinforcing plate 61 is connected to the wheel cover outer plate 52, and the wheel cover outer plate 52 is connected to the lateral connecting structure 2 through the middle reinforcing plate 61, so that a continuous and stable force transmission path can be formed among the wheel cover outer plate 52, the middle reinforcing plate 61 and the lateral connecting structure 2, and thus the impact force borne by the wheel cover outer plate 52 can be upwardly transmitted and dispersed through the middle reinforcing plate 61; the upper end of the second connection portion 622 is connected to the lateral connection structure 2, the lower end of the second connection portion 622 is connected to the first connection portion 621 fixed to the wheel cover inner plate 51, the wheel cover inner plate 51 is connected to the lateral connection structure 2 through the first connection portion 621 and the second connection portion 622, the second connection portion 622 is disposed opposite to the damper mounting plate 53 on the inner and outer sides of the wheel cover inner plate 51, and a continuous and stable force transmission path is formed between the damper mounting plate 53, the wheel cover inner plate 51, the second connection portion 622, the first connection portion 621 and the lateral connection structure 2, so that the impact force borne by the damper mounting plate 53 can be transmitted and dispersed upward through the wheel cover inner plate 51, the wheel cover outer plate 52, the middle reinforcing plate 61 and the middle connecting plate 62.

Wherein, the bumper shock absorber mounting panel 53 is used for fixed mounting bumper shock absorber, the bumper shock absorber produces the impact to bumper shock absorber mounting panel 53 at flexible absorbing in-process, from this, in the driving process of vehicle, can be better with the upward transmission of impact force that bumper shock absorber mounting panel 53 bore and dispersion through middle part additional strengthening 6, can avoid the stress concentration in bumper shock absorber mounting point department on the bumper shock absorber mounting panel 53 better, do benefit to the dynamic stiffness that promotes bumper shock absorber mounting panel 53 in order to avoid bumper shock absorber mounting panel 53 to bear deformation or fracture when the bumper shock absorber is impacted, do benefit to the structural strength and the rigidity that promote back side wall assembly 100.

In one specific example, the cross section of the damper mounting plate 53 is formed in a W shape, the opening is directed toward the wheel cover inner plate 51, the cross section of the middle connecting plate 62 is formed in an M shape, the opening is directed toward the wheel cover inner plate 51, and the cross section of the middle reinforcing plate 61 is formed in a deep U shape, so that a rectangular-like closed cross section cavity structure can be defined by welding the damper mounting plate 53, the middle connecting plate 62, and the middle reinforcing plate 61 to enhance the rigidity of the wheel cover assembly 5 and the middle reinforcing structure 6.

According to some alternative embodiments of the present utility model, the rear side wall assembly 100 further includes a driving motor for driving the sliding door to slide, and the driving motor is spaced apart from the middle reinforcement structure 6 in the front-rear direction. That is, the driving motor is located at the front side of the middle reinforcing structure 6 and is spaced apart from the middle reinforcing structure 6 or the driving motor is located at the rear side of the middle reinforcing structure 6 and is spaced apart from the middle reinforcing structure, so that the driving motor can be better prevented from occupying the fourth cavity 60, that is, the driving motor is fixed, the fourth cavity 60 penetrating in the vertical direction is ensured to be formed in the middle reinforcing structure 6, the rigidity of the middle reinforcing structure 6 is ensured, and the impact force born by the wheel cover assembly 5 can be stably transferred and dispersed upwards through the middle reinforcing structure 6, so that the overall rigidity of the rear side wall assembly 100 is improved.

A vehicle according to an embodiment of the utility model is described below with reference to the drawings.

According to an embodiment of the present utility model, a vehicle includes: the rear side wall assembly 100.

According to the vehicle disclosed by the embodiment of the utility model, the mounting groove 11 avoiding the front end of the sliding door guide rail 200 and the first cavity 10 penetrating up and down and having a closed section are formed on the C column assembly 1, so that the influence of the compression of the front end of the sliding door guide rail 200 on the integral rigidity of the C column assembly 1 at the position of the mounting groove 11 can be better improved, the breathing mode generated at the mounting groove 11 due to relative weakness can be better avoided, and the NVH performance of the vehicle can be further improved to improve the riding comfort of drivers and passengers; in addition, the transverse connection structure 2 forms a second cavity 20 which is communicated in the front-back direction and has a closed cross section, the front end of the transverse connection structure 2 is connected with the C-pillar assembly 1, and the first cavity 10 is communicated with the second cavity 20, so that the C-pillar assembly 1 can form a communicated transmission path with the transverse connection structure 2, and the structural strength and the rigidity of the rear side wall assembly 100 are improved, so that the safety of a vehicle is improved.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A side fascia assembly, comprising:

the outer side surface of the C column assembly forms a mounting groove, and a first cavity which is communicated in the vertical direction and has a closed section is formed in the C column assembly;

the front end of the transverse connecting structure is connected with the C column assembly, a second cavity which is communicated in the front-back direction and has a closed section is formed in the transverse connecting structure, and the front end of the second cavity is communicated with the first cavity;

the sliding door guide rail is arranged on the outer side of the transverse connection structure, and the front end of the sliding door guide rail extends into the mounting groove.

2. The side back assembly according to claim 1, wherein the C pillar assembly forms a fitting portion extending rearward at a middle portion in an up-down direction, a rear end of the fitting portion is connected to a front end of the lateral connecting structure, a communication chamber is formed in the fitting portion at the middle portion in the up-down direction of the first cavity, the communication chamber communicates with a front end of the second cavity, and the mounting groove is located at a front side of the communication chamber.

3. The back side wall assembly of claim 1, wherein the C-pillar assembly comprises:

a reinforcing plate on the C column;

the lower end of the C column reinforcing plate is connected with the lower end of the upper C column reinforcing plate, and the mounting groove is formed on the outer side surface of the upper end of the lower C column reinforcing plate;

the C column inner plate is arranged on the inner side of the C column upper reinforcing plate, the lower end of the C column inner plate is lower than the lower end of the C column upper reinforcing plate, and a first cavity is defined between the C column inner plate and the C column upper reinforcing plate;

the inner panel under the C post, the inner panel is located under the C post the inboard of reinforcing plate under the C post and the upper end is less than under the C post the upper end of reinforcing plate, under the C post the inner panel with form the second cavity under the C post between the reinforcing plate, first cavity the mounting groove and the second cavity is arranged along the upper and lower direction, on the C post the inner panel with form the third cavity under the C post between the reinforcing plate, first cavity the second cavity and the third cavity constitutes jointly first die cavity.

4. The back side wall assembly according to claim 1, further comprising a D column assembly, wherein a third cavity penetrating in the up-down direction and having a closed cross section is formed in the D column assembly, the rear end of the transverse connection structure is connected with the D column assembly, the rear end of the second cavity is communicated with the third cavity, and the rear end of the sliding door guide rail is located at an included angle between the connecting position of the transverse connection structure and the D column assembly.

5. The side wall assembly according to claim 4, wherein the transverse connection structure comprises a transverse reinforcing plate and a transverse connection inner plate arranged on the inner side of the transverse reinforcing plate, the transverse reinforcing plate and the transverse connection inner plate define the second cavity, the D column assembly comprises a D column reinforcing plate and a D column inner plate arranged on the inner side of the D column reinforcing plate, the D column reinforcing plate and the D column inner plate define the third cavity, the front end and the rear end of the transverse reinforcing plate are respectively connected with the C column assembly and the D column reinforcing plate, the front end and the rear end of the transverse connection inner plate are respectively connected with the C column assembly and the D column inner plate, the transverse connection inner plate extends obliquely upwards in the forward-backward direction, and the rear end of the sliding door guide rail is arranged on the outer side surface of the transverse reinforcing plate and at an included angle between the transverse connection inner plate and the lower side of the D column reinforcing plate.

6. The side back assembly of claim 4, further comprising a roof rail positioned above the transverse connection, the front and rear ends of the roof rail being connected to the upper ends of the C-pillar assembly and the D-pillar assembly, respectively.

7. The side back assembly of claim 1, further comprising:

the wheel cover assembly is arranged below the transverse connection structure;

the upper end and the lower end of the middle reinforcing structure are respectively connected with the transverse connecting structure and the wheel cover assembly, the middle reinforcing structure forms a fourth cavity which is communicated in the vertical direction and is closed in cross section, and the upper end of the fourth cavity is communicated with the second cavity.

8. The side wall assembly according to claim 7, wherein the wheel cover assembly comprises a wheel cover inner plate, a wheel cover outer plate and a damper mounting plate, the wheel cover inner plate is arranged on the inner side of the wheel cover outer plate, the damper mounting plate is arranged on the outer side wall of the wheel cover inner plate, the middle reinforcing structure comprises a middle reinforcing plate and a middle connecting plate arranged on the inner side of the middle reinforcing plate, the upper end and the lower end of the middle reinforcing plate are respectively connected with the transverse connecting structure and the wheel cover outer plate, the middle connecting plate comprises a first connecting portion and a second connecting portion, the first connecting portion extends along the inner side wall of the wheel cover inner plate and is opposite to the damper mounting plate on two sides of the wheel cover inner plate, the upper end and the lower end of the second connecting portion are respectively connected with the transverse connecting structure and the upper end of the first connecting portion, and the fourth cavity is defined between the second connecting portion and the middle reinforcing plate.

9. The side wall assembly of claim 7, further comprising a drive motor for driving the sliding door to slide, the drive motor being spaced apart from the central reinforcement structure in a fore-aft direction.

10. A vehicle, characterized by comprising: the back side wall assembly of any of claims 1-9.