CN219565249U - Rear side panel assembly and vehicles with it - 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 vehicles with it

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 technique

With the improvement of people's living standards and the rapid development of the automobile industry, vehicles have entered thousands of households and become an indispensable means of transportation in daily life. When buying a vehicle, people usually choose models such as sedans, SUVs, and MPVs according to their needs. In order to meet the needs of passenger capacity and comfort, MPVs have become the first choice for more and more people when purchasing vehicles.

However, since the rear door of the MPV is usually a sliding door, and the guide rail is usually installed on the rear side wall structure, the installation of the guide rail will compress the C-pillar for easy installation, resulting in the destruction of the overall structure of the C-pillar and the rear side wall assembly. It directly affects the structural strength and stiffness of the body structure.

Utility model content

The utility model proposes a rear side wall assembly, which can better avoid the breathing mode caused by the relative weakness of the installation groove, and then can improve the NVH performance of the vehicle to improve the safety of drivers and passengers. Riding comfort, while having the advantages of high structural strength and rigidity.

The utility model also proposes a vehicle with the above-mentioned rear side wall assembly.

The rear side wall assembly according to the embodiment of the present utility model includes: a C-pillar assembly, the outer surface of the C-pillar assembly forms a mounting groove, and the C-pillar assembly forms a vertically penetrating and closed section inside the C-pillar assembly. The first cavity; the transverse connection structure, the front end of the transverse connection structure is connected to the C-pillar assembly, and the second cavity is formed in the transverse connection structure along the front and rear directions and has a closed section. The front end of the cavity communicates with the first cavity; a sliding door guide rail, the sliding door guide rail is arranged on the outside of the transverse connection structure, and the front end of the sliding door guide rail extends into the installation groove.

According to the rear side wall assembly of the embodiment of the present invention, the C-pillar assembly is formed with an installation groove at the front end of the guide rail for avoiding the sliding door and a first cavity that penetrates up and down and has a closed section, which can better improve the position of the installation groove Due to the impact of the compression of the front end of the sliding door guide rail on the overall stiffness of the C-pillar assembly, it can better avoid the breathing mode caused by the relative weakness of the installation groove, thereby improving the NVH performance of the vehicle and improving the ride quality of the driver and passengers Comfort; in addition, the transverse connection structure forms a second cavity that runs through the front and rear directions and has a closed cross section. The front end of the transverse connection structure is connected to the C-pillar assembly and the first cavity communicates with the second cavity, so that the C-pillar assembly A transmission path connected to the transverse connection structure can be formed, which is beneficial to improving the structural strength and rigidity of the rear side panel assembly.

According to some embodiments of the present invention, the middle part of the C-pillar assembly in the up-down direction forms an assembly part extending backwards, the rear end of the assembly part is connected to the front end of the transverse connection structure, and the inside of the assembly part A communication cavity is formed in the middle of the first cavity in the vertical direction, the communication cavity communicates with the front end of the second cavity, and the installation groove is located at the front side of the communication cavity.

According to some embodiments of the present utility model, the C-pillar assembly includes: a C-pillar upper reinforcing plate; a C-pillar lower reinforcing plate, the upper end of the C-pillar lower reinforcing plate is connected to the lower end of the C-pillar upper reinforcing plate, and the The installation groove is formed on the outer surface of the top of the lower reinforcement plate of the C-pillar; the upper inner panel of the C-pillar is set on the inner side of the upper reinforcement plate of the C-pillar and the lower end is lower than the upper surface of the C-pillar The lower end of the reinforcement plate, a first cavity is defined between the C-pillar upper inner panel and the C-pillar upper reinforcement panel; the C-pillar lower inner panel, the C-pillar lower inner panel is set on the C-pillar lower reinforcement The inner side and the upper end of the panel are lower than the upper end of the C-pillar lower reinforcement panel, a second cavity is formed between the C-pillar lower inner panel and the C-pillar lower reinforcement panel, the first cavity, the installation The groove and the second cavity are arranged in the up-down direction, a third cavity is formed between the upper inner panel of the C-pillar and the lower reinforcement plate of the C-pillar, the first cavity, the second cavity body and the third cavity together constitute the first cavity.

According to some embodiments of the present utility model, the rear side wall assembly further includes a D-pillar assembly, and a third cavity is formed in the D-pillar assembly along the vertical direction and is closed in section, and the transverse connection structure The rear end is connected to the D-pillar assembly, the rear end of the second cavity communicates with the third cavity, and the rear end of the sliding door guide rail is located between the transverse connecting structure and the D-pillar assembly. into the angle of the connection position.

According to some embodiments of the present utility model, the transverse connecting structure includes a transverse reinforcing plate and a transverse connecting inner plate arranged inside the transverse reinforcing plate, the transverse reinforcing plate and the transverse connecting inner plate define the first Two cavity, the D-pillar assembly includes a D-pillar reinforcement panel and a D-pillar inner panel arranged inside the D-pillar reinforcement panel, the D-pillar reinforcement panel and the D-pillar inner panel define the third cavity, the front and rear ends of the transverse reinforcing plate are respectively connected with the C-pillar assembly and the D-pillar reinforcing plate, and the front and rear ends of the transverse connecting inner panel are respectively connected with the C-pillar assembly and the The inner panels of the D-pillars are connected, and in the direction from front to rear, the inner panel of the transverse connection extends obliquely upwards, and the rear end of the sliding door guide rail is arranged on the outer surface of the transverse reinforcement The angle between the inner panel and the lower side of the D-pillar reinforcement panel.

According to some embodiments of the present utility model, the rear side wall assembly further includes an upper side beam, the upper side beam is located above the transverse connection structure, and the front and rear ends of the upper side beam are respectively connected to the C-pillar assembly and the upper connection of the D-pillar assembly.

According to some embodiments of the present utility model, the rear side panel assembly further includes: a wheel cover assembly, the wheel cover assembly is arranged below the transverse connecting structure; a middle reinforcement structure, the middle reinforcement structure The upper and lower ends are respectively connected to the transverse connection structure and the wheel cover assembly, the middle reinforcement structure forms a fourth cavity that penetrates in the up and down direction and has a closed section, and the upper end of the fourth cavity is connected to the first cavity. The two cavities are connected.

According to some embodiments of the present invention, the wheel house assembly includes a wheel house inner plate, a wheel house outer plate and a shock absorber mounting plate, the wheel house inner plate is arranged inside the wheel house outer plate, the The shock absorber mounting plate is arranged on the outer wall of the inner panel of the wheel house, and the middle reinforcing structure includes a middle reinforcing plate and a middle connecting plate arranged on the inner side of the middle reinforcing plate, and the upper and lower ends of the middle reinforcing plate are respectively Connected with the transverse connection structure and the wheel house outer panel, the middle connection plate includes a first connection part and a second connection part, the first connection part extends along the inner side wall of the wheel house inner panel and is connected to the The shock absorber mounting plate is arranged opposite to the two sides of the inner plate of the wheel house, the upper and lower ends of the second connecting part are respectively connected to the transverse connecting structure and the upper end of the first connecting part, and the The fourth cavity is defined between the second connecting portion and the middle reinforcing plate.

According to some embodiments of the present utility model, the rear side wall assembly further includes a driving motor for driving the sliding door to slide, and the driving motor is spaced apart from the central reinforcement structure in the front-rear direction.

A vehicle according to an embodiment of the present utility model includes: the above-mentioned rear side panel assembly.

According to the vehicle according to the embodiment of the utility model, the C-pillar assembly forms the installation groove at the front end of the guide rail for avoiding the sliding door and the first cavity that penetrates up and down and has a closed section, which can better improve the position of the installation groove due to slippage. The impact of the compression of the front end of the door guide rail on the overall stiffness of the C-pillar assembly can better avoid the breathing mode caused by the relative weakness of the installation groove, thereby improving the NVH performance of the vehicle and improving the ride comfort of the driver and passengers; in addition , the transverse connection structure forms a second cavity that runs through the front and rear directions and has a closed cross section. The front end of the transverse connection structure is connected to the C-pillar assembly and the first cavity communicates with the second cavity, so that the C-pillar assembly can be connected The structure forms a connected transmission path, which is conducive to improving the structural strength and rigidity of the rear side panel assembly, so as to improve the safety of the vehicle.

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

Description of drawings

Fig. 1 is a schematic diagram of the lateral perspective of the rear side panel assembly according to an embodiment of the present invention;

Fig. 2 is a sectional view along A-A in Fig. 1;

Fig. 3 is a sectional view along A-A' among Fig. 1;

Fig. 4 is a schematic diagram of a rear side perspective view of the rear side wall assembly according to an embodiment of the present invention;

Fig. 5 is a sectional view along B-B among Fig. 4;

Fig. 6 is a schematic view of the inside perspective of the rear side panel assembly according to the embodiment of the present invention;

Fig. 7 is a sectional view along C-C among Fig. 6;

Fig. 8 is a sectional view along D-D in Fig. 6 .

Reference signs:

Rear side wall assembly 100;

C-pillar assembly 1; first cavity 10; connecting cavity 101; installation groove 11; assembly part 12; C-pillar upper reinforcement plate 13; C-pillar lower reinforcement plate 14; C-pillar upper inner panel 15; plate 16;

The first cavity 10a; the second cavity 10b; the third cavity 10c;

Horizontal connection structure 2; second cavity 20; horizontal reinforcement plate 21; installation hole 211; horizontal connection inner plate 22;

D-pillar assembly 3; third cavity 30; D-pillar reinforcement plate 31; D-pillar inner panel 32;

Upper side beam 4;

Wheel house assembly 5; wheel house inner plate 51; wheel house outer plate 52; shock absorber mounting plate 53;

The middle reinforcement structure 6; the fourth cavity 60; the middle reinforcement plate 61; the middle connection plate 62; the first connection part 621; the second connection part 622;

Sliding door guide 200.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

The following disclosure provides many different embodiments or examples for realizing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the utility model. Furthermore, the present invention may repeat reference numerals and/or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

The following describes the rear side panel assembly 100 according to the embodiment of the present invention with reference to the accompanying drawings.

As shown in Figures 1-8, the rear side panel assembly 100 according to the embodiment of the present invention includes: a C-pillar assembly 1, a transverse connection structure 2 and a sliding door guide rail 200, and the outer side of the C-pillar assembly 1 forms The groove 11 is installed, and a first cavity 10 with a closed cross section is formed inside the C-pillar assembly 1 along the vertical direction. Wherein, the closed section here means that the side wall of the first cavity 10 forms a continuous and complete closed structure, which can ensure that the force on the C-pillar assembly 1 can be stably transmitted and distributed, as shown by the upper end of the C-pillar assembly 1. The impact force borne by the lower end of the C-pillar assembly 1 can be transmitted upward and dispersed, and the impact force borne by the middle part of the C-pillar assembly 1 in the vertical direction can be transmitted upward and downward for dispersion, which is beneficial to Increase the stiffness of C-pillar assembly 1.

Further, the front end of the transverse connecting structure 2 is connected with the C-pillar assembly 1, and a second cavity 20 is formed in the transverse connecting structure 2 along the front-rear direction and has a closed section. The front end of the second cavity 20 is connected to the first cavity 10 connected. Wherein, the cross-sectional closure here 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 received, and can better improve the transverse connection structure. 2 stiffness. That is to say, through the C-pillar assembly 1 being connected to the transverse connecting structure 2 and the second cavity 20 communicating with the first cavity 10, a communication transmission path can be formed between the C-pillar assembly 1 and the transverse connecting structure 2, In this way, the impact force borne by the C-pillar assembly 1 can be transmitted and dispersed backward through the transverse connection structure 2, such as the impact force borne by the C-pillar assembly 1 such as the load from the sliding door lock and the lower body is transmitted and dispersed backward. , so as to better avoid stress concentration on the C-pillar assembly 1 , which is conducive to improving the torsional rigidity of the rear side panel assembly 100 .

Wherein, the sliding door guide rail 200 is arranged on the outside of the transverse connection structure 2, and the outside here refers to the side of the transverse connection structure 2 facing the outside of the vehicle body structure, such as the lateral connection structure 2 located on the left side of the vehicle body structure. The left side of the structure 2, the outer side of the transverse connection structure 2 located on the right side of the body structure is the right side of the transverse connection structure 2, that is, the rear side panel assembly 100 can be used in models such as MPVs that require sliding doors, Therefore, the installation difficulty of the sliding door guide rail 200 and the difficulty of cooperating with the sliding door can be better reduced. Further, the front end of the sliding door guide rail 200 extends into the installation groove 11 .

It can be understood that the sliding door guide rail 200 generally extends along the front-to-rear direction, and the part of the front end of the guide rail 200 that bends toward the inner side of the rear side panel assembly 100 can be better accommodated through the installation groove 11, where the inner side refers to the rear side The side of the enclosure assembly 100 facing away from the external space allows the C-pillar assembly 1 to avoid the front end of the sliding door guide rail 200 while forming a first cavity 10 that penetrates up and down inside, so that the installation groove 11 can be better improved. Due to the influence of the compression of the front end of the sliding door guide rail 200 on the overall stiffness of the C-pillar assembly 1 at the position, it can better avoid the relatively weak breathing mode at the installation groove 11, thereby improving the NVH performance of the vehicle and improving the driving performance. Passenger ride comfort. In addition, the sliding door guide rail 200 has two parts installed on the transverse connection structure 2 and the C-pillar assembly 1 respectively, the first cavity 10 can better ensure the rigidity of the C-pillar assembly 1, and the second cavity The cavity 20 can better ensure the rigidity of the transverse connection structure 2, thereby better improving the stability of the sliding door guide rail 200 after installation, and the impact force borne by the sliding door guide rail 200 can pass through the C-pillar assembly 1 and the lateral The transmission of the connection structure 2 is distributed, which can ensure the rigidity of the C-pillar assembly 1 while ensuring the sliding door guide rail 200 is firmly installed.

According to the rear side wall assembly 100 of the embodiment of the utility model, the installation groove 11 at the front end of the avoidance sliding door guide rail 200 and the first cavity 10 with a closed cross section formed on the C-pillar assembly 1 can better Improve the impact on the overall rigidity of the C-pillar assembly 1 due to the compression of the front end of the sliding door guide rail 200 at the position of the installation groove 11, so as to better avoid the breathing mode caused by the relative weakness of the installation groove 11, thereby improving the vehicle's performance. The NVH performance is used to improve the ride comfort of drivers and passengers; in addition, the transverse connection structure 2 forms a second cavity 20 that runs through the front and rear directions and has a closed section. The front end of the transverse connection structure 2 is connected with the C-pillar assembly 1 and the The cavity 10 communicates with the second cavity 20 , so that the C-pillar assembly 1 can form a communication path with the transverse connection structure 2 , which is beneficial to improve the structural strength and rigidity of the rear side panel assembly 100 .

According to some embodiments of the present utility model, the middle part of the C-pillar assembly 1 in the up-down direction forms an assembly part 12 extending backward, and the rear end of the assembly part 12 is connected with the front end of the transverse connection structure 2. The communication cavity 101 in the middle of the first cavity 10 in the vertical direction communicates with the front end of the second cavity 20 , and the installation groove 11 is located at the front side of the communication cavity 101 . That is to say, the C-pillar assembly 1 is connected to the transverse connection structure 2 through the assembly part 12, the installation groove 11 is provided on the outer surface of the middle part of the C-pillar assembly 1 in the up-down direction, and the communication cavity 101 is located behind the installation groove 11 side, so that the first cavity 10 located above the installation groove 11 can communicate with the first cavity 10 located below the installation groove 11 through the communication cavity 101, thereby ensuring the through structure of the first cavity 10 in the up-down direction, That is, it can be ensured that the first cavity 10 is kept vertically connected while avoiding the installation groove 11, so that the C-pillar can provide the installation position for the front end of the guide rail 200 while avoiding the middle part of the installation groove 11 in the vertical direction of the C-pillar assembly 1 The position truncates the first cavity 10, so that the breathing mode caused by the truncation of the first cavity 10 can be better avoided, and the NVH performance of the vehicle body structure can be improved to improve the driving comfort of the user. At the same time, the first cavity 10 and the second cavity 20 can form a trident-shaped communication structure, which is beneficial to further improve the rigidity of the rear side panel assembly 100 .

In a specific example, in the direction from front to rear, the cross-sectional area of the communication cavity 101 is reduced, that is, from the upper and lower ends of the C-pillar assembly 1 to the middle position of the C-pillar assembly 1 in the upper and lower direction. direction, the first cavity 10 extends obliquely backward, and the cross-sectional area of the rear end of the communication cavity 101 is smaller than the cross-sectional area of the front end of the communication cavity 101 . As a result, the connecting cavity 101 avoids the installation groove 11 and ensures the vertical connection of the first cavity 10 , while saving the installation space occupied by the C-pillar assembly 1 , and the layout is reasonable.

According to some embodiments of the present invention, the C-pillar assembly 1 includes: C-pillar upper reinforcement plate 13, C-pillar lower reinforcement plate 14, C-pillar upper inner panel 15, C-pillar lower inner panel 16, C-pillar lower reinforcement plate 14 The upper end of the guide rail 200 is connected to the lower end of the C-pillar upper reinforcing plate 13, and the installation groove 11 is formed on the outer surface of the upper end of the C-pillar lower reinforcing plate 14, that is, the front end of the guide rail 200 is installed on the outer surface of the upper end of the C-pillar lower reinforcing plate 14, C The upper inner panel 15 of the pillar is arranged on the inner side of the upper reinforcement panel 13 of the C-pillar, and the lower end is lower than the lower end of the upper reinforcement panel 13 of the C-pillar. A first cavity 10a is defined between the upper inner panel 15 of the C-pillar and the upper reinforcement panel 13 of the C-pillar , the C-pillar lower inner panel 16 is arranged on the inner side of the C-pillar lower reinforcement panel 14 and its upper end is lower than the upper end of the C-pillar lower reinforcement panel 14 , and a second cavity is formed between the C-pillar lower inner panel 16 and the C-pillar lower reinforcement panel 14 10b, the first cavity 10a, the installation groove 11 and the second cavity 10b are arranged in the vertical direction, the third cavity 10c is formed between the C-pillar upper inner panel 15 and the C-pillar lower reinforcement plate 14, the first cavity 10 a , the second cavity 10 b and the third cavity 10 c together constitute the first cavity 10 .

That is to say, the C-pillar assembly 1 is spliced by the C-pillar upper reinforcing plate 13, the C-pillar upper inner panel 15, the C-pillar lower reinforcing plate 14 and the C-pillar lower inner panel 16, so that the C-pillar upper reinforcing plate 13, the C-pillar The upper inner panel 15 of the pillar, the lower reinforcement panel 14 of the C-pillar, and the lower inner panel 16 of the C-pillar can be independently molded and produced, which can better enhance the upper reinforcement panel 13 of the C-pillar, the upper inner panel 15 of the C-pillar, and the lower reinforcement panel 14 of the C-pillar and the production efficiency of the lower inner panel 16 of the C-pillar, and help reduce the difficulty of forming the C-pillar assembly 1 . In addition, the part where the lower end of the C-pillar upper inner panel 15 protrudes from the C-pillar upper reinforcing plate 13 and the part where the upper end of the C-pillar lower reinforcing plate 14 protrudes from the C-pillar lower inner panel 16 are arranged opposite to each other in the inner-outward direction, and the installation groove 11 is arranged on The C-pillar lower reinforcement panel 14 is on the side away from the C-pillar lower inner panel 16, and is located on the part where the C-pillar lower reinforcement panel 14 is opposite to the C-pillar upper inner panel 15, so that the C-pillar upper inner panel 15 and the C-pillar lower panel can pass through. The opposite parts of the reinforcement plate 14 in the inner and outer directions are welded to define the third cavity 10c, which can better increase the connection such as the welding area between the upper inner panel 15 of the C-pillar and the lower reinforcement plate 14 of the C-pillar, and further enhance the C-pillar The structural strength and rigidity of assembly 1.

Specifically, the C-pillar upper inner panel 15 and the C-pillar upper reinforcement panel 13 define a first cavity 10a that penetrates up and down and has a closed section, and the C-pillar lower inner panel 16 and the C-pillar lower reinforcement panel 14 define an upper and lower Through the second cavity 10b with a closed section, the upper and lower ends of the third cavity 10c communicate with the first cavity 10a and the second cavity 10b respectively to form the first cavity 10, and the third cavity 30 also forms a direction toward Opening on the rear side. Wherein, the lower end of the C-pillar upper reinforcement plate 13 extends backward to form a first protrusion, the upper end of the C-pillar lower reinforcement plate 14 extends backward to form a second protrusion, and the lower end of the C-pillar upper inner panel 15 extends backward to form a third protrusion. The first protrusion, the second protrusion and the third protrusion jointly constitute the fitting portion 12 , and the first protrusion, the second protrusion and the third protrusion jointly define the communication cavity 101 .

In a specific example, the cross-sections of the C-pillar upper inner panel 15 and the C-pillar upper reinforcement panel 13 are both L-shaped, so that the C-pillar upper inner panel 15 and the C-pillar upper reinforcement panel 13 define a first cavity with a nearly rectangular closed section. body 10a, the section of the C-pillar lower inner panel 16 is formed in a shallow U shape, the section of the C-pillar lower reinforcement panel 14 is formed in a deep U-shape, and the C-pillar lower inner panel 16 and the C-pillar lower reinforcement panel 14 define a quasi-rectangular closed section. The second cavity 10b.

According to some embodiments of the present utility model, the rear side wall assembly 100 also includes a D-pillar assembly 3, and a third cavity 30 is formed in the D-pillar assembly 3 and penetrates in the vertical direction and has a closed section. The closed section here refers to The side wall of the third cavity 30 forms a continuous and complete closed structure, so that the rigidity of the D-pillar assembly 3 can be better improved. The rear end of the transverse connection structure 2 is connected with the D-pillar assembly 3. The second cavity 20 The rear end communicates with the third cavity 30. That is to say, the front and rear ends of the transverse connection 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 transverse connection structure 2, so that the transverse connection The structure 2 can be well supported between the C-pillar assembly 1 and the D-pillar assembly 3, and the front and rear ends of the second cavity 20 communicate with the first cavity 10 and the third cavity 30 respectively, that is, the first cavity The cavity 10 communicates with the third cavity 30 through the second cavity 20 . Thus, a communication transmission path is formed among the C-pillar assembly 1 , the transverse connecting structure 2 and the D-pillar assembly 3 , so that the impact force borne by the C-pillar assembly 1 can pass through the transverse connecting structure 2 and the D-pillar assembly. 3. Transmission and dispersion in the rear, the impact force borne by the D-pillar assembly 3 can be transmitted and dispersed forward through the transverse connection structure 2 and the C-pillar assembly 1, which can better improve the stiffness of the rear side panel assembly 100 .

Further, the rear end of the sliding door guide rail 200 is located at the 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 ensuring the fixed connection of the rear end of the sliding door guide rail 200 . As a result, the influence of the occupation of the third cavity 30 on the rigidity of the D-pillar assembly 3 during the installation of the rear end of the sliding door guide rail 200 can be better improved, which is conducive to improving the overall rigidity of the rear side panel assembly 100 and the layout is reasonable.

According to some embodiments of the present utility model, the transverse connecting structure 2 includes a transverse reinforcing plate 21 and a transverse connecting inner plate 22 arranged inside the transverse reinforcing plate 21, and the transverse reinforcing plate 21 and the transverse connecting inner plate 22 define a second cavity 20 . That is to say, the transverse connecting structure 2 is spliced by the transverse reinforcing plate 21 and the transverse connecting inner plate 22, so that the transverse reinforcing plate 21 and the transverse connecting inner plate 22 can be formed independently, and the transverse reinforcing plate 21 and the transverse connecting inner plate 22 can be better improved. The production efficiency of connecting the inner panels 22 is improved, and it is beneficial to reduce the difficulty of forming the transverse connection structure 2 . In a specific example, the cross-sections of the transverse connecting inner plate 22 and the transverse reinforcing plate 21 are both formed in an L shape, and the openings of the transverse connecting inner plate 22 and the transverse reinforcing plate 21 are opposite, so that the transverse connecting inner plate 22 and the transverse reinforcing plate 21 can The reinforcing plates 21 jointly define the second cavity 20 with a substantially rectangular closed section, which can better improve the deformation resistance of the transverse connecting structure 2 .

In addition, the D-pillar assembly 3 includes a D-pillar reinforcement panel 31 and a D-pillar inner panel 32 disposed inside the D-pillar reinforcement panel 31 , the D-pillar reinforcement panel 31 and the D-pillar inner panel 32 define a third cavity 30 . That is to say, the D-pillar assembly 3 is spliced by the D-pillar reinforcement panel 31 and the D-pillar inner panel 32, so that the D-pillar reinforcement panel 31 and the D-pillar inner panel 32 can be formed independently, which can better enhance the D-pillar reinforcement. The production efficiency of the panel 31 and the D-pillar inner panel 32 is improved, and it is beneficial to reduce the difficulty of forming the D-pillar assembly 3 . In a specific example, both the D-pillar inner panel 32 and the D-pillar reinforcement panel 31 are L-shaped in cross section, and the D-pillar inner panel 32 and the D-pillar reinforcement panel 31 can pass through the third cavity that defines a nearly rectangular closed section. 30, which can better reduce the difficulty of forming the D-pillar assembly 3 and can better improve the deformation resistance of the D-pillar assembly 3 .

Furthermore, the front and rear ends of the transverse reinforcing plate 21 are connected to the C-pillar assembly 1 and the D-pillar reinforcing plate 31 respectively, and the front and rear ends of the transverse connecting inner panel 22 are respectively connected to the C-pillar assembly 1 and the D-pillar inner panel 32, In the direction from front to rear, the transverse connection inner panel 22 extends obliquely upwards, and the rear end of the sliding door guide rail 200 is arranged on the outer side of the transverse reinforcement panel 21 and is located on the lower side of the transverse connection inner panel 22 and the D-pillar reinforcement panel 31 of the angle. That is to say, in the direction from front to rear, the second cavity 20 extends obliquely upwards, and the rear end of the sliding door guide rail 200 is located below the position where the rear end of the second cavity 20 communicates with the third cavity 30, as A mounting hole 221 located below the connecting position between the second cavity 20 and the third cavity 30 is formed on the transverse reinforcing plate 21 for fixing the rear end of the sliding door guide rail 200, wherein, since the sliding door guide rail 200 extends along the front-to-back direction, Therefore, the obliquely extending second cavity 20 can avoid the installation position of the rear end of the sliding door guide rail 200 while ensuring communication with the third cavity 30 , thereby better avoiding the installation of the rear end of the sliding door guide rail 200 . Occupying the second cavity 20 or the third cavity 30 is beneficial to ensure the rigidity of the transverse connection structure 2 and the D-pillar assembly 3 .

Specifically, the front end of the transverse connecting structure 2 is connected to the middle of the C-pillar assembly 1 in the vertical direction, the rear end of the transverse connecting structure 2 is connected to the middle of the D-pillar assembly 3 in the vertical direction, and the transverse connecting structure 2 is connected to the D-pillar assembly. A T-shaped connection structure is formed between the three parts, which is beneficial to improving the rigidity of the rear side panel assembly 100 .

According to some optional embodiments of the present utility model, the rear side wall assembly 100 also includes a roof rail 4, the roof rail 4 is located above the transverse connection structure 2, and the front and rear ends of the roof rail 4 are connected to the C-pillar assembly 1 and the D pillar assembly 1 respectively. The upper end of the column assembly 3 is connected. That is to say, the roof sill 4 is spaced from the transverse connection structure 2 in the vertical direction, the front end of the roof sill 4 is connected to the upper end of the C-pillar assembly 1 , the rear end of the roof sill 4 is connected to the upper end of the D-pillar assembly 3 , That is, the C-pillar assembly 1 is connected to the D-pillar assembly 3 through the roof sill 4 and the transverse connecting structure 2, so that the C-pillar assembly 1, the roof sill 4, the transverse connecting structure 2 and the D-pillar assembly 3 can form a continuous and complete The frame is closed, and a continuous and stable transmission path can be formed among the C-pillar assembly 1, the upper side sill 4 and the D-pillar assembly 3. Therefore, the impact force borne by the C-pillar assembly 1 can pass through the upper side sill 4 and the lateral The connection structure 2 transmits and disperses backward, and the impact force borne by the D-pillar assembly 3 can be transmitted forward and disperse through the upper side beam 4 and the transverse connection structure 2 at the same time, which is conducive to further improving the structural strength and rigidity of the rear side panel assembly 100 .

According to some embodiments of the present utility model, the rear side enclosure assembly 100 also includes: a wheel cover assembly 5 and a middle reinforcing structure 6, the wheel cover assembly 5 is arranged below the transverse connection structure 2, and the upper and lower sides of the middle reinforcing structure 6 The ends are respectively connected with the transverse connection structure 2 and the wheel cover assembly 5, and the central reinforcement structure 6 forms a fourth cavity 60 that penetrates in the up and down direction and has a closed section. The closed section here refers to the formation of the side wall of the fourth cavity 60 The continuous closed combination can better improve the rigidity of the middle reinforcing structure 6 .

Further, the upper end of the fourth cavity 60 communicates with the second cavity 20 . That is to say, the upper end of the central reinforcing structure 6 is connected to the transverse connecting structure 2, and the lower end of the central reinforcing structure 6 is connected to the wheel cover assembly 5, so that the wheel cover assembly 5 is connected to the transverse connecting structure 2 through the central reinforcing structure 6. The second cavity 20 communicates with the fourth cavity 60, so that a continuous and stable transmission path can be formed between the wheel cover assembly 5, the middle reinforcement structure 6 and the transverse connection structure 2, so that the impact of the wheel cover assembly 5 The force can be transmitted upwards and dispersed through the central reinforcement structure 6 and the transverse connection structure 2, which can better avoid the stress concentration at the wheel cover assembly 5, and is beneficial to improve the stiffness of the wheel cover assembly 5. Specifically, the upper end of the middle reinforcement structure 6 is connected to the middle of the transverse connection structure 2 in the front-rear direction, and the middle reinforcement structure 6 and the transverse connection structure 2 form a T-shaped connection structure.

According to some optional embodiments of the present utility model, the wheel house assembly 5 includes a wheel house inner plate 51, a wheel house outer plate 52 and a shock absorber mounting plate 53, the wheel house inner plate 51 is arranged inside the wheel house outer plate 52, The shock absorber mounting plate 53 is arranged on the outer side wall of the wheel house inner plate 51, that is, the shock absorber mounting plate 53 is arranged on the side of the wheel house inner plate 51 facing the wheel house outer plate 52, and the central reinforcing structure 6 includes a central reinforcing plate 61 and the middle connecting plate 62 located inside the middle reinforcing plate 61, the upper and lower ends of the middle reinforcing plate 61 are respectively connected with the transverse connecting structure 2 and the wheel house outer panel 52, and the middle connecting plate 62 includes a first connecting portion 621 and a second Connecting portion 622, the first connecting portion 621 extends along the inner side wall of the wheel house inner plate 51 and is arranged opposite to the shock absorber mounting plate 53 on both sides of the wheel house inner plate 51, and the upper and lower ends of the second connecting portion 622 are respectively connected to The transverse connecting structure 2 is connected to the upper end of the first connecting part 621 , and a fourth cavity 60 is defined between the second connecting part 622 and the central reinforcing plate 61 .

That is to say, the upper end of the middle reinforcing plate 61 is connected with the transverse connecting structure 2, the lower end of the middle reinforcing plate 61 is connected with the wheel house outer plate 52, and the wheel house outer plate 52 is connected with the transverse connecting structure 2 through the middle reinforcing plate 61, so that the wheel house A continuous and stable force transmission path can be formed between the outer cover plate 52, the middle reinforcing plate 61 and the transverse connection structure 2, so that the impact force borne by the wheel house outer plate 52 can be transmitted upward through the middle reinforcing plate 61; the second The upper end of the connecting part 622 is connected with the transverse connection structure 2, and the lower end of the second connecting part 622 is connected with the first connecting part 621 fixed on the wheel house inner plate 51, and the wheel house inner plate 51 passes through the first connecting part 621 and the second connecting part 621. The connecting portion 622 is connected to the transverse connecting structure 2, and the second connecting portion 622 and the shock absorber mounting plate 53 are arranged oppositely on the inner and outer sides of the wheel house inner plate 51, so that the shock absorber mounting plate 53, the wheel house inner plate 51, the second A continuous and stable force transmission path can be formed between the two connecting parts 622, the first connecting part 621 and the transverse connecting structure 2, so that the impact force borne by the shock absorber mounting plate 53 can pass through the inner plate 51 of the wheel house and the wheel house. The outer plate 52 , the middle reinforcing plate 61 and the middle connecting plate 62 are distributed upwardly.

Wherein, the shock absorber mounting plate 53 is used for fixedly installing the shock absorber, and the shock absorber impacts the shock absorber mounting plate 53 during the process of telescopic shock absorption, thus, during the running of the vehicle, through the middle reinforcement structure 6. The impact force borne by the shock absorber mounting plate 53 can be better transmitted upwards and dispersed, and the stress concentration at the shock absorber mounting point on the shock absorber mounting plate 53 can be better avoided, which is conducive to lifting the shock absorber installation. The dynamic stiffness of the plate 53 prevents the shock absorber mounting plate 53 from being deformed or broken when the shock absorber is impacted, which is beneficial to improving the structural strength and rigidity of the rear side panel assembly 100 .

In a specific example, the section of the shock absorber mounting plate 53 is formed into a W shape, and the opening faces the inner panel 51 of the wheel house. The cross-section is formed into a deep U-shape, so that the cavity structure of the quasi-rectangular closed section can be defined by welding the shock absorber mounting plate 53, the middle connecting plate 62 and the middle reinforcing plate 61, so as to enhance the wheel house assembly 5 and the middle reinforcing structure 6 stiffness.

According to some optional embodiments of the present utility model, the rear side panel assembly 100 further includes a driving motor for driving the sliding door, and the driving motor and the central reinforcing structure 6 are arranged at intervals in the front-rear direction. That is to say, the drive motor is positioned at the front side of the middle reinforcement structure 6 and is spaced from the middle reinforcement structure 6 or the drive motor is positioned at the rear side of the middle reinforcement structure 6 and is spaced from the middle reinforcement mechanism, thus, the encroachment of the drive motor can be better avoided. The fourth cavity 60, that is, to ensure the formation of the fourth cavity 60 in the middle reinforcement structure 6 along the vertical direction while fixing the driving motor, is beneficial to ensure the rigidity of the middle reinforcement structure 6, so that the wheel cover assembly 5 bears The impact force can be stably transmitted upwards and dispersed through the central reinforcement structure 6 , which is beneficial to improve the overall rigidity of the rear side panel assembly 100 .

A vehicle according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

The vehicle according to the embodiment of the present utility model includes: a rear side wall assembly 100 .

According to the vehicle of the embodiment of the present invention, the installation groove 11 at the front end of the avoidance sliding door guide rail 200 and the first cavity 10 with a closed cross section are formed on the C-pillar assembly 1, which can better improve the installation groove 11. Due to the influence of the compression of the front end of the sliding door guide rail 200 on the overall stiffness of the C-pillar assembly 1 at the position, it can better avoid the relatively weak breathing mode at the installation groove 11, thereby improving the NVH performance of the vehicle and improving the driving performance. The ride comfort of the occupants; in addition, the transverse connection structure 2 forms a second cavity 20 that penetrates in the front and rear direction and has a closed section. The cavity 20 is connected so that the C-pillar assembly 1 can form a communication path with the transverse connection structure 2 , which is beneficial to improving the structural strength and rigidity of the rear side panel assembly 100 to enhance the safety of the vehicle.

In this utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrated; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention 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.