CN114802469A - Automobile body rear portion assembly and car - Google Patents

Abstract

The invention provides a vehicle body rear assembly and a vehicle, and relates to the technical field of vehicles. Wherein, this automobile body rear portion assembly includes D post subassembly, wheel hub package subassembly and D post and strengthens the subassembly, and the upper end and the D post subassembly fastening connection of D post strengthening the subassembly, the lower extreme and the wheel hub package subassembly fastening connection of D post strengthening the subassembly. The D column assembly is provided with a first force guide structure, and the first force guide structure is used for transmitting acting force on the D column assembly along the trend of the first force guide structure; the D-column reinforcing assembly is provided with a second force guide structure, and the second force guide structure is used for enabling acting force on the D-column assembly and the hub bag assembly to be transmitted along the moving direction of the second force guide structure. The included angle of each position on the trend of the first force guide structure and the second force guide structure is greater than or equal to 80 degrees and less than or equal to 100 degrees. According to the automobile body rear assembly and the automobile, the transmission efficiency of the acting force on the D-column assembly and the hub bag assembly is high, and the torsional rigidity and the torsional mode of the automobile body rear structure are improved.

Description

Body rear assembly and car

technical field

The invention relates to the technical field of automobiles, in particular to a rear body assembly and an automobile.

Background technique

As a common means of transportation, the road noise performance of automobiles during driving affects the comfort of drivers and passengers. The torsional stiffness and torsional mode of the rear body structure of the car have a great influence on the road noise performance of the car.

In some related technologies, the rear body assembly of an automobile includes a D-pillar assembly, a hub bag assembly and a D-pillar reinforcement assembly, the upper end of the D-pillar reinforcement assembly is fastened to the middle of the D-pillar assembly, and the lower end of the D-pillar reinforcement assembly is connected to The wheel hub package components are tightly connected, and the D-pillar reinforcement components are used to transmit the acting forces on the D-pillar components and the wheel hub package components to each other along the direction of the D-pillar reinforcement components.

However, the related art body rear assembly, D-pillar assembly and wheel hub assembly are less efficient in transmitting the forces to other positions on the body, and the torsional stiffness and torsional mode of the rear body structure are poor.

SUMMARY OF THE INVENTION

The present invention aims to provide a rear body assembly and an automobile, so as to solve the problems of poor torsional stiffness and torsional mode of the rear body structure in the prior art.

In one aspect, the present invention provides a rear body assembly comprising a D-pillar assembly, a wheel hub package and a D-pillar reinforcement assembly, wherein the upper end of the D-pillar reinforcement assembly is fastened to the D-pillar assembly, and the D-pillar The lower end of the reinforcement assembly is fastened with the wheel hub package assembly.

The D-pillar assembly has a first force-guiding structure, and the first force-guiding structure is used to transmit the acting force on the D-pillar assembly along the direction of the first force-guiding structure; the D-pillar reinforcement assembly has a second force-guiding structure, and the second force-guiding structure The structure is used to transmit the acting force on the D-pillar assembly and the hub pack assembly along the direction of the second force guiding structure.

The included angle of each position on the direction of the first force guiding structure and the second force guiding structure is greater than or equal to 80° and less than or equal to 100°.

Optionally, the lower end of the wheel hub package assembly is used for fast connection with the chassis of the vehicle, and the wheel hub package assembly has a third force guiding structure, and the third force guiding structure is used to make the force on the D-pillar reinforcement assembly and the chassis move along the third direction. The direction transmission of the guiding structure. The included angles between the second force-guiding structure and the third force-conducting structure along the third force-conducting structure to each position are greater than or equal to 170° and less than or equal to 190°.

Optionally, the rear body assembly further includes a rear cross member, and the end of the rear cross member is fastened to the middle of the D-pillar assembly. The rear cross member assembly has a fourth force guiding structure, and the fourth force guiding structure is used to transmit the acting force on the rear cross member assembly and the D-pillar assembly along the direction of the fourth force guiding structure. The angle between each position on the direction of the first force guiding structure and the fourth force guiding structure is greater than or equal to 80° and less than or equal to 100°.

Optionally, the end of the rear beam assembly is fastened to the D-pillar assembly at the junction of the D-pillar assembly and the D-pillar reinforcement assembly.

Optionally, the included angle between the fourth force guiding structure and the second force guiding structure at each position along the direction is greater than or equal to 80° and less than or equal to 100°.

Optionally, the D-pillar reinforcement assembly includes a D-pillar reinforced inner panel and a D-pillar reinforced outer panel, and both the D-pillar reinforced inner panel and the D-pillar reinforced outer panel are bent panels.

The upper end of the D-pillar reinforced outer panel is fastened to the outer side of the D-pillar assembly, the upper end of the D-pillar reinforced inner panel is fastened to the inner side of the D-pillar assembly, and the lower end of the D-pillar reinforced outer panel is fastened to the outer side of the hub package assembly. , the lower end of the D-pillar reinforced inner panel is fastened to the inner side of the wheel hub package assembly.

The second force-guiding structure includes an inner force-guiding cavity formed by the D-pillar reinforced inner plate and an outer force-guiding cavity formed by the D-pillar reinforced outer plate. The included angle between the first force guiding structure and each position on the direction of the outer force guiding cavity is greater than or equal to 80° and less than or equal to 100°; the included angle between the first force guiding structure and each position in the direction of the inner force guiding cavity Both are greater than or equal to 80° and less than or equal to 100°.

Optionally, the inner force-guiding cavity is oriented along the direction of the D-pillar reinforced inner panel, and the outer force-guiding cavity is oriented along the direction of the D-pillar reinforced outer panel.

Optionally, the rear body assembly further includes a middle connecting plate, the upper end of the middle connecting plate is fastened to the D-pillar assembly, the lower end of the middle connecting plate is fastened to the wheel hub package assembly, the D-pillar strengthens the inner panel and the D-pillar. The reinforced outer plates are firmly connected with the middle connecting plate, the inner force conducting cavity is formed between the D-pillar reinforced inner plate and the middle connecting plate, and the outer force conducting cavity is formed between the D-pillar reinforced outer plate and the middle connecting plate.

Optionally, the third force guiding structure of the hub pack assembly is located inside the wheel hub pack assembly, and the third force guiding structure is used to transmit the force on the D-pillar reinforced inner panel and the chassis along the direction of the third force guiding structure. The included angle between the direction of the inner force guiding cavity and each position along the third force guiding structure on the third force guiding structure is greater than or equal to 170° and less than or equal to 190°.

In another aspect, the present invention provides an automobile, which includes a chassis and the above-mentioned rear body assembly, wherein the lower end of the D-pillar assembly and the lower end of the wheel hub assembly of the rear body assembly are fastened to the chassis.

The vehicle body rear assembly and the automobile provided by the present invention include a D-pillar assembly, a hub bag assembly and a D-pillar reinforcing assembly, wherein the upper end of the D-pillar reinforcing assembly is fastened to the D-pillar assembly, and the D-pillar reinforcing assembly is The lower end is tightly connected with the wheel hub package assembly. The D-pillar assembly has a first force-guiding structure, and the first force-guiding structure is used to transmit the acting force on the D-pillar assembly along the direction of the first force-guiding structure; the D-pillar reinforcement assembly has a second force-guiding structure, and the second force-guiding structure The structure is used to transmit the acting force on the D-pillar assembly and the hub pack assembly along the direction of the second force guiding structure. The included angle of each position on the direction of the first force guiding structure and the second force guiding structure is greater than or equal to 80° and less than or equal to 100°. Through the above arrangement, by changing the direction of the second force-conducting structure on the D-pillar reinforcement assembly, the angle between the first force-conducting structure and the second force-conducting structure at each position is close to a right angle, and the second force-conducting structure The direction of the D-pillar is similar to a straight line, which is conducive to shortening the length of the second force-guiding structure on the D-pillar reinforcement assembly, shortening the transmission path of the force on the D-pillar assembly and the hub package assembly, and improving the force on the D-pillar assembly through the hub. The efficiency of the transmission of the package assembly to other parts of the body and the force on the hub package assembly to other parts of the body through the D-pillar assembly is beneficial to improve the torsional stiffness and torsional mode of the rear structure of the body.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of an outer side of an embodiment of a vehicle body rear assembly provided by the present invention;

FIG. 2 is an inner schematic view of an embodiment of a vehicle body rear assembly provided by the present invention;

3 is a schematic diagram of the outside of the connection between the D-pillar assembly and the D-pillar reinforcement assembly of the embodiment of the rear body assembly provided by the present invention;

4 is an inner schematic view of the connection between the D-pillar assembly and the D-pillar reinforcement assembly of the embodiment of the rear body assembly provided by the present invention;

5 is a schematic diagram of the connection between the D-pillar reinforcement component and the middle connecting plate of the embodiment of the rear body assembly provided by the present invention;

Figure 6 is a cross-sectional view at A-A in Figure 5;

7 is an inner schematic diagram of the connection between the D-pillar reinforcement assembly, the D-pillar assembly and the rear cross member assembly of the embodiment of the rear body assembly provided by the present invention;

FIG. 8 is an external schematic view of the connection between the D-pillar reinforcement assembly, the D-pillar assembly and the rear cross member assembly of the embodiment of the rear body assembly provided by the present invention.

Description of reference numbers:

100, D-pillar assembly; 110, first force guiding structure; 120, D-pillar outer plate; 130, D-pillar inner plate; 200, wheel hub package assembly; 210, third force guiding structure; 211, first force guiding section; 212, the second force guiding section; 220, the outer plate of the hub bag; 230, the inner plate of the hub bag; 240, the reinforcement plate of the first hub bag; 250, the reinforcement plate of the second hub bag; 300, the D-pillar reinforcement assembly; 310, the first Two force guiding structures; 311, outer force guiding cavity; 312, inner force guiding cavity; 320, D-pillar reinforced outer plate; 321, first recessed part; 322, first connecting part; 330, D-pillar reinforced inner plate; 331 332, the second connecting part; 400, the rear beam assembly; 410, the fourth force guiding structure; 420, the outer plate of the rear beam; 430, the inner plate of the rear beam; 500, the middle connecting plate.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, terms such as "installation", "connection" and "fixing" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the above description, descriptions with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean the specific features, structures described in connection with the embodiment or example , material or feature is included in at least one embodiment or example of the present invention. 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, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

The rear body assembly of some automobiles includes D-pillar assembly, hub bag assembly and D-pillar reinforcement assembly. The upper end of the D-pillar reinforcement assembly is fastened to the middle of the D-pillar assembly, and the lower end of the D-pillar reinforcement assembly is tightly connected to the hub bag assembly. Fixed connection, the D-pillar reinforcement assembly is used to transmit the acting forces on the D-pillar assembly and the hub bag assembly to each other along the direction of the D-pillar reinforcement assembly. Then, in the related art, after the D-pillar reinforcing assembly and the D-pillar assembly are connected, the force-guiding structure on the D-pillar reinforcing assembly and the force-guiding structure on the D-pillar assembly are inclined, or the force-guiding structure on the D-pillar reinforcing assembly is radian For larger arc-shaped structures, at least part of the included angle between the force-guiding structure on the D-pillar assembly and the force-guiding structure on the D-pillar reinforcement assembly is less than 80°, resulting in the length of the force-guiding structure on the D-pillar reinforcement assembly Longer, it needs to go through a long transmission path to make the force on the D-pillar assembly and the hub bag assembly transfer to each other, the force on the D-pillar assembly is transmitted to other parts of the body through the hub bag assembly and the force on the hub bag assembly The transmission to the rest of the body through the D-pillar assembly is less efficient, and the torsional stiffness and torsional modes of the rear body structure are poor.

In order to solve the above technical problems, the rear body assembly provided by the inventor of this solution includes a D-pillar assembly, a wheel hub package and a D-pillar reinforcement assembly. The upper end of the D-pillar reinforcement assembly is fastened to the D-pillar assembly. The D-pillar reinforcement assembly The lower end of the hub is tightly connected with the wheel hub package assembly. The D-pillar assembly has a first force-guiding structure, and the first force-guiding structure is used to transmit the acting force on the D-pillar assembly along the direction of the first force-guiding structure; the D-pillar reinforcement assembly has a second force-guiding structure, and the second force-guiding structure The structure is used to transmit the acting force on the D-pillar assembly and the hub pack assembly along the direction of the second force guiding structure. The included angle of each position on the direction of the first force guiding structure and the second force guiding structure is greater than or equal to 80° and less than or equal to 100°. In this way, by changing the direction of the second force-conducting structure on the D-pillar reinforcement assembly, the angle between the first force-conducting structure and the second force-conducting structure at each position is close to a right angle, and the direction of the second force-conducting structure Approximate to a straight line, it is beneficial to shorten the length of the second force guiding structure on the D-pillar reinforcement assembly, to shorten the transmission path of the force on the D-pillar assembly and the hub pack assembly, and to improve the force on the D-pillar assembly through the hub pack assembly. The efficiency with which the force transmitted to other parts of the body and the hub pack assembly is transmitted to other parts of the body through the D-pillar assembly is beneficial to improve the torsional stiffness and torsional mode of the rear structure of the body.

The rear body assembly and the automobile provided by the present application will be described in detail below with reference to specific embodiments.

FIG. 1 is an outer schematic view of an embodiment of the provided rear body assembly, and FIG. 2 is an inner schematic view of the provided embodiment of the body rear assembly.

As shown in FIG. 1 and FIG. 2 , the rear body assembly provided in this embodiment includes a D-pillar assembly 100 , a wheel hub package assembly 200 and a D-pillar reinforcement assembly 300 , and the upper end of the D-pillar reinforcement assembly 300 Fastened to the D-pillar assembly 100 , the lower end of the D-pillar reinforcement assembly 300 is fastened to the hub pack assembly 200 .

The D-pillar assembly 100 has a first force-guiding structure 110, and the first force-guiding structure 110 is used to transmit the acting force on the D-pillar assembly 100 along the direction of the first force-guiding structure 110; the D-pillar reinforcement assembly 300 has a second force guiding The structure 310 and the second force guiding structure 310 are used to transmit the acting force on the D-pillar assembly 100 and the hub pack assembly 200 along the direction of the second force guiding structure 310 .

The included angle of each position along the direction of the first force guiding structure 110 and the second force guiding structure 310 is greater than or equal to 80° and less than or equal to 100°.

In the above-mentioned embodiment, by changing the direction of the second force-conducting structure 310 on the D-pillar reinforcement assembly 300 , the included angles of each position on the direction of the first force-conducting structure 110 and the second force-conducting structure 310 are all close to a right angle , the direction of the second force guide structure 310 is approximately a straight line, which is beneficial to shorten the length of the second force guide structure 310 on the D-pillar reinforcement assembly 300, so as to shorten the transmission path of the force on the D-pillar assembly 100 and the hub pack assembly 200, It is beneficial to improve the efficiency that the force on the D-pillar assembly 100 is transmitted to other positions of the vehicle body through the hub bag assembly 200 and the force on the hub bag assembly 200 is transmitted to other positions of the vehicle body through the D-pillar assembly 100, which is beneficial to improve the torsion of the rear structure of the vehicle body Stiffness and torsional modes.

It can be understood that the included angles of the first force guiding structure 110 and the second force guiding structure 310 at various positions along the direction may be 80°, 82°, 85°, 88°, 90°, 82°, 95°, 98° , 100°, etc.

The upper end of the D-pillar assembly 100 can be tightly connected with the A-pillar extending longitudinal beam of the vehicle roof, the lower end of the D-pillar assembly 100 can be tightly connected with the chassis of the vehicle, and the force on the D-pillar assembly 100 can be reinforced by the D-pillar The assembly 300 is not transmitted to the hub pack assembly 200, but can also be transmitted to the body through the A-pillar extended side members and the chassis.

The lower end of the hub pack assembly 200 can be firmly connected with the chassis of the vehicle, and the force on the hub pack assembly 200 can be transmitted to the D-pillar assembly 100 through the D-pillar reinforcement assembly 300, and can also be transmitted to all parts of the vehicle body through the chassis.

The force transmitted from the D-pillar assembly 100 to the wheel hub package assembly 200 through the D-pillar reinforcement assembly 300 can be transmitted to the chassis through the wheel hub package assembly 200, and then transmitted to all parts of the vehicle body through the chassis.

The force transmitted from the hub pack assembly 200 to the D-pillar assembly 100 through the D-pillar reinforcement assembly 300 can be transmitted to all parts of the vehicle body through the A-pillar extended side members and the chassis.

In some examples, the direction of the second force guiding structure 310 is a straight line. In this way, the length of the second force guiding structure 310 can be further shortened, so as to shorten the transmission path of the acting force on the D-pillar assembly 100 and the hub pack assembly 200 .

In some examples, the D-pillar assembly 100 may include a D-pillar outer panel 120 and a D-pillar inner panel 130, at least one of the D-pillar outer panel 120 and the D-pillar inner panel 130 being a bent panel, the D-pillar outer panel 120 and the D-pillar outer panel 120 The pillar inner plates 130 are spliced with each other, and the first force-guiding structure 110 is a D-pillar force-guiding cavity formed by the D-pillar outer plate 120 and the D-pillar inner plate 130 . In this way, the first force-conducting structure 110 is easy to form, and the formed first force-conducting structure 110 has a lighter weight, a larger cross-section, a higher strength, and a better force-guiding effect.

It can be understood that the D-pillar outer panel 120 is fastened to the outer side of the D-pillar reinforcement assembly 300 , and the D-pillar inner panel 130 is fastened to the inner side of the D-pillar reinforcement assembly 300 .

In some examples, the D-pillar outer panel 120 and the D-pillar inner panel 130 are both bent panels. In this way, the cross-section of the first force-guiding structure 110 can be further increased, and the force-guiding effect of the first force-guiding structure 110 and the strength of the D-pillar assembly 100 can be improved.

FIG. 3 is an external schematic view of the connection between the D-pillar assembly and the D-pillar reinforcement assembly of the provided embodiment of the rear body assembly, and FIG. 4 is the connection of the D-pillar assembly and the D-pillar reinforcement assembly of the provided embodiment of the rear body assembly. Figure 5 is a schematic diagram of the connection between the D-pillar reinforcement assembly and the middle connecting plate of the embodiment of the rear body assembly provided, and Figure 6 is a cross-sectional view at A-A in Figure 5 .

As shown in FIGS. 3-6 , and referring to FIGS. 1 and 2 , in some possible embodiments, the D-pillar reinforcement assembly 300 includes a D-pillar reinforcement inner panel 330 and a D-pillar reinforcement outer panel 320 , and the D-pillar reinforcement inner panel 330 and the D-pillar reinforced outer panel 320 are all bent panels.

The upper end of the D-pillar reinforced outer panel 320 is fastened to the outer side of the D-pillar assembly 100 , the upper end of the D-pillar reinforced inner panel 330 is fastened to the inner side of the D-pillar assembly 100 , and the lower end of the D-pillar reinforced outer panel 320 is connected to the wheel hub package assembly The outer side of the D-pillar reinforced inner panel 330 is tightly connected with the inner side of the hub pack assembly 200 .

The second force guiding structure 310 includes an inner force guiding cavity 312 formed by the D-pillar reinforced inner plate 330 and an outer force guiding cavity 311 formed by the D-pillar reinforced outer plate 320 . The angle between the first force guiding structure 110 and each position along the direction of the outer force guiding cavity 311 is greater than or equal to 80° and less than or equal to 100°. The angle between the first force guiding structure 110 and each position along the direction of the inner force guiding cavity 312 is greater than or equal to 80° and less than or equal to 100°.

In this way, the second force-conducting structure 310 can be easily formed, and the formed second force-conducting structure 310 is lighter in weight, larger in cross-section, higher in strength, and better in force-conducting effect.

It can be understood that the included angles of the first force-guiding structure 110 and each position along the direction of the outer force-guiding cavity 311 may be 80°, 82°, 85°, 88°, 90°, 82°, 95°, 98°, 100°, etc.

The angles between the first force guiding structure 110 and the inner force guiding cavity 312 may be 80°, 82°, 85°, 88°, 90°, 82°, 95°, 98°, 100°, etc.

It can be understood that, the D-pillar reinforced inner panel 330 and the D-pillar reinforced outer panel 320 may be fastened and connected by means of bonding, welding, fastener connection and the like.

The D-pillar reinforcing inner panel 330 and the inner side of the hub pack assembly 200 and the inner side of the D-pillar assembly 100 may be fastened and connected by means of bonding, welding, fastener connection and the like.

The D-pillar reinforcement outer panel 320 and the outer side of the hub pack assembly 200 and the outer side of the D-pillar assembly 100 can be fastened and connected by means of bonding, welding, fastener connection, or the like.

In the example in which the D-pillar assembly 100 includes the D-pillar outer panel 120 and the D-pillar inner panel 130 , the D-pillar reinforcement inner panel 330 is fastened to the D-pillar inner panel 130 , and the D-pillar reinforcement outer panel 320 is tightly connected to the D-pillar outer panel 120 . solid connection.

In some examples, the D-pillar reinforcement outer panel 320 includes a first recessed portion 321 and first connecting portions 322 located on both sides of the first recessed portion 321 , and the D-pillar reinforcement inner panel 330 includes a second recessed portion 331 and located in the second recessed portion 321 . The second connecting parts 332 on both sides of the part 331, the first concave part 321 and the second concave part 331 are arranged opposite to each other, and the first connecting parts 322 on both sides of the first concave part 321 are respectively connected with the second concave part 331 on both sides of the second concave part 331. The connection portion 332 corresponds to a fastened connection. In this way, the force conduction of the second force-conducting structure 310 of the D-pillar reinforcement assembly 300 is more concentrated, which can improve the efficiency of the force-conducting of the second force-conducting structure 310 .

In some examples, the first connecting portions 322 on both sides of the first recessed portion 321 are respectively welded and fixed to the second connecting portions 332 on both sides of the second recessed portion 331 . In this way, the rigid connection between the D-pillar reinforced outer panel 320 and the D-pillar reinforced inner panel 330, the risk of relative displacement between the D-pillar reinforced outer panel 320 and the D-pillar reinforced inner panel 330 is small, which is beneficial to the D-pillar reinforced outer panel 320 and the D-pillar reinforced inner panel 330. The D-pillars enhance the transmission of force between the inner panels 330 .

In some examples, the rear body assembly further includes a C-pillar assembly, the upper end of the C-pillar assembly is fastened to the upper end of the D-pillar assembly 100 , the lower end of the C-pillar assembly is used for fastened connection with the chassis of the vehicle, and the C-pillar assembly There is a fifth force guiding structure, and the fifth force guiding structure is used to transmit the acting force on the C-pillar assembly along the direction of the fifth structure. The fifth force guiding structure and the first force guiding structure 110 are isolated from each other, or are only connected by the upper ends of the two. In this way, the fifth force-guiding structure is not connected to the middle of the first force-guiding structure 110, and the force transmitted on the C-pillar assembly will not be transmitted to the D-pillar assembly 100 in the middle of the C-pillar assembly, and then pass through the D-pillar assembly. 100 returns to the C-pillar assembly, and the force on the D-pillar assembly 100 will not be transmitted to the C-pillar assembly in the middle of the D-pillar assembly 100, and then return to the D-pillar assembly 100 through the C-pillar assembly. The acting forces on the C-pillar assembly and the D-pillar assembly 100 can be quickly and effectively transmitted to other positions of the vehicle body through the upper and lower ends of the two, respectively, dispersing the acting forces on the C-pillar assembly and the D-pillar assembly 100 to all parts of the vehicle body. The efficiency is high, and the acting force on the C-pillar assembly and the D-pillar assembly 100 is not easily retained, which can further improve the torsional rigidity and torsional mode of the rear structure of the vehicle body.

In some examples, the D-pillar stiffener assembly 300 is spaced apart from the C-pillar assembly. In this way, the risk that the fifth force-guiding structure on the C-pillar assembly is communicated with the first force-guiding structure 110 on the D-pillar assembly 100 through the second force-guiding structure 310 on the D-pillar reinforcement assembly 300 can be reduced.

In some possible implementations, the inner force guiding cavity 312 is oriented along the direction of the D-pillar reinforcement inner panel 330 , and the outer force guiding cavity 311 is oriented along the direction of the D-pillar reinforcement outer panel 320 .

This arrangement is beneficial to control the direction of the inner force guiding cavity 312 and the outer force guiding cavity 311 when installing the D-pillar reinforced inner plate 330 and the D-pillar reinforced outer plate 320 .

It can be understood that the included angle between the D-pillar reinforcing inner panel 330 and the inner side of the D-pillar assembly 100 may also be greater than or equal to 80° and less than or equal to 100°.

The angle between the D-pillar reinforcing inner panel 330 and the inner side of the D-pillar assembly 100 may be 80°, 82°, 85°, 88°, 90°, 82°, 95°, 98°, 100°, and the like.

The included angle between the D-pillar reinforcement outer panel 320 and the outer side of the D-pillar assembly 100 may also be greater than or equal to 80° and less than or equal to 100°.

The angle between the D-pillar reinforcement outer panel 320 and the outer side of the D-pillar assembly 100 may be 80°, 82°, 85°, 88°, 90°, 82°, 95°, 98°, 100°, and the like.

In some possible implementations, the rear body assembly further includes a middle connecting plate 500 , the upper end of the middle connecting plate 500 is fastened to the D-pillar assembly 100 , and the lower end of the middle connecting plate 500 is fastened to the wheel hub assembly 200 , the D-pillar reinforced inner plate 330 and the D-pillar reinforced outer plate 320 are both firmly connected with the middle connecting plate 500, the inner force-guiding cavity 312 is formed between the D-pillar reinforced inner plate 330 and the middle connecting plate 500, and the D-pillar reinforced outer plate 320 An outer force-guiding cavity 311 is formed between it and the middle connecting plate 500 .

This arrangement is conducive to the installation of the D-pillar reinforced inner panel 330 and the D-pillar reinforced outer panel 320, the D-pillar reinforced inner panel 330 and the D-pillar reinforced outer panel 320 are stable after installation, and is beneficial to improve the connection between the D-pillar assembly 100 and the hub package assembly 200 Strength, D-pillar assembly 100 and hub pack assembly 200 are more stable when assembled.

In some examples, the first connecting parts 322 on both sides of the first concave part 321 , the middle connecting plate 500 and the second connecting parts 332 corresponding to the second concave part 331 are arranged to overlap in sequence, and the first connecting parts 322 on both sides of the first concave part 321 The connecting portions 322 are respectively welded to the second connecting portions 332 on both sides of the second concave portion 331 through the middle connecting plate 500 .

As shown in FIG. 1 and FIG. 2 , in some possible embodiments, the lower end of the hub pack assembly 200 is used for fast connection with the chassis of the automobile, and the wheel hub pack assembly 200 has a third force-conducting structure 210 , which is a third force-conducting structure. 210 is used to transmit the acting force on the D-pillar reinforcement assembly 300 and the chassis along the direction of the third force guiding structure 210 . The included angle between the second force guiding structure 310 and the third force guiding structure 210 along the third force guiding structure 210 to each position is greater than or equal to 170° and less than or equal to 190°.

In this way, the second force guiding structure 310 and the third force guiding structure 210 are connected to be close to a straight line, and the transmission path of the force between the D-pillar reinforcement assembly 300 and the chassis of the vehicle is short, which is beneficial to improve the height of the D-pillar reinforcement assembly 300 The force transmitted from the wheel hub pack assembly 200 to the chassis and the force received by the wheel hub pack assembly 200 from the chassis are transferred to the D-pillar reinforcement assembly 300, thereby improving the transmission efficiency of the hub pack assembly 200 and the D-pillar reinforcement assembly 300. The efficiency with which the force is distributed to other parts of the body is conducive to further improving the torsional stiffness and torsional mode of the rear structure of the body.

It can be understood that the included angles between the second force guiding structure 310 and the third force guiding structure 210 along the third force guiding structure 210 to various positions may be 170°, 172°, 175°, 178°, 180°, and 182°. °, 185°, 188°, 190°, etc.

In some examples, the hub pack assembly 200 includes a hub pack inner panel 230 and a hub pack outer panel 220 , the hub pack inner panel 230 and the hub pack outer panel 220 are spliced to each other, and the hub pack inner panel 230 is tightly connected to the inner side of the D-pillar reinforcement assembly 300 The outer panel 220 of the hub package is firmly connected with the outer side of the D-pillar reinforcement assembly 300 .

In the example provided with the middle connecting plate 500 , the hub bag inner plate 230 and the hub bag outer plate 220 are both firmly connected with the middle connecting plate 500 .

In the example in which the D-pillar reinforcement assembly 300 includes a D-pillar reinforcement inner panel 330 and a D-pillar reinforcement outer panel 320, the D-pillar reinforcement inner panel 330 is fastened to the hub bag inner panel 230, and the D-pillar reinforcement outer panel 320 is connected to the hub bag outer panel 320. The plate 220 is fastened.

It can be understood that, the inner panel 230 of the hub bag and the outer panel 220 of the hub bag may be fastened and connected by means of bonding, welding, fastener connection and the like.

In some possible implementations, the third force guiding structure 210 of the wheel hub pack assembly 200 is located inside the wheel hub pack assembly 200, and the third force guiding structure 210 is used to make the force on the D-pillar reinforcing inner panel 330 and the chassis along the first The direction transmission of the three guide force structure 210 . The angle between the direction of the inner force guiding cavity 312 and each position along the third force guiding structure 210 on the third force guiding structure 210 is greater than or equal to 170° and less than or equal to 190°. In this way, the forces on the chassis and the D-pillar assembly 100 are transmitted to each other through the third force-guiding structure 210 on the inner side of the hub pack assembly 200, which can reduce the arrangement of the protruding structure on the outer side of the hub pack assembly 200, and is beneficial to improve the space performance of the outer structure of the vehicle. It is beneficial to reduce the wind resistance during the driving of the car.

It can be understood that the included angles between the direction of the inner force guiding cavity 312 and the direction of the third force guiding structure 210 to various positions along the third force guiding structure 210 may be 170°, 172°, 175°, 178°, 180°, 182°, 185°, 188°, 190°, etc.

In some examples, the third force guiding structure 210 includes a first force guiding segment 211 and a second force guiding segment 212 , one end of the first force guiding segment 211 is connected to the second force guiding structure 310 , and the other end is connected to the second force guiding structure 310 . The segments 212 are connected, and the included angle between the direction of the inner force-guiding cavity 312 and each position along the first force-guiding segment 211 on the first force-guiding segment 211 is greater than or equal to 170° and less than or equal to 190°. The included angle between the segment 211 and the second force-guiding segment 212 toward each position along the second force-guiding segment 212 is greater than or equal to 170° and less than or equal to 190°. In this way, the arrangement of the third force guiding structure 210 on the hub pack assembly 200 is facilitated.

It can be understood that the included angles between the direction of the inner force-guiding cavity 312 and the direction of the first force-guiding section 211 to various positions along the first force-guiding section 211 may be 170°, 172°, 175°, 178°, 180°, 182°, 185°, 188°, 190°, etc.

The included angles between the first force guiding segment 211 and the second force guiding segment 212 along the second force guiding segment 212 to various positions may be 170°, 172°, 175°, 178°, 180°, 182°, 185°, 188°, 190°, etc.

In some examples, the hub pack assembly 200 further includes a hub pack reinforcement plate, the hub pack reinforcement plate is a bending plate, the hub pack reinforcement plate is fastened to the surface of the hub pack inner plate 230, and the third force guiding structure 210 is formed by the hub pack. The hub pack force-conducting cavity formed by the pack inner plate 230 and the hub pack reinforcing plate. In this way, the third force-conducting structure 210 is easy to form, and the formed third force-conducting structure 210 is lighter in weight, larger in cross-section, higher in strength, and better in force-guiding effect.

In some examples, the upper end of the hub pack reinforcement plate is coincident with the lower end of the D-pillar reinforcement inner plate 330 , and the upper end of the hub bag reinforcement plate and the lower end of the D-pillar reinforcement inner plate 330 are in close contact with the hub bag inner plate 230 at the overlapping position. solid connection. The lower end of the wheel hub package reinforcing plate extends to the chassis and is fastened to the chassis.

In some examples, the hub pack stiffener includes a first hub pack stiffener 240 and a second hub pack stiffener 250 , the first hub pack stiffener 240 and the second hub pack stiffener 250 are both bent plates, and the first hub pack stiffener The bag reinforcement plate 240 and the second hub bag reinforcement plate 250 are both fastened to the surface of the hub bag inner plate 230, and the first force guide section 211 of the third force guiding structure 210 is the first hub bag reinforcement plate 240 and the inner wheel hub bag. The first hub pack force conducting cavity formed by the plate 230 and the second force conducting section 212 of the third force conducting structure 210 are the second hub pack force conducting cavity formed by the second hub pack reinforcing plate 250 and the hub pack inner plate 230 .

In some examples, the upper end of the first hub pack reinforcement plate 240 is coincident with the lower end of the D-pillar reinforcement inner plate 330 , and the upper end of the first hub pack reinforcement plate 240 and the lower end of the D-pillar reinforcement inner plate 330 are overlapped with each other. The inner panel 230 of the hub bag is fastened. The lower end of the second hub pack reinforcing plate 250 extends to the chassis and is fastened to the chassis.

FIG. 7 is an inner schematic view of the connection between the D-pillar reinforcement assembly and the D-pillar assembly and the rear cross member assembly of the provided embodiment of the rear body assembly, and FIG. 8 is the D-pillar reinforcement assembly of the provided embodiment of the rear body assembly and the External schematic diagram of the connection between the D-pillar assembly and the rear cross member assembly.

As shown in FIGS. 7 and 8 , and with reference to FIGS. 1 and 2 , in some possible embodiments, the rear body assembly further includes a rear cross member assembly 400 , the end of the rear cross member assembly 400 is connected to the D-pillar assembly 100 The middle of the connection is fastened. The rear cross member assembly 400 has a fourth force guide structure 410 , and the fourth force guide structure 410 is used to transmit the acting force on the rear cross member assembly 400 and the D-pillar assembly 100 along the direction of the fourth force guide structure 410 . The included angle of each position along the direction of the first force guiding structure 110 and the fourth force guiding structure 410 is greater than or equal to 80° and less than or equal to 100°. In this way, the angles between the first force-conducting structure 110 and the fourth force-conducting structure 410 are all close to right angles, and the direction of the fourth force-conducting structure 410 is approximately a straight line, which is beneficial to shorten the length of the first force-conducting structure 110 , shortening the transmission path of the force between the chassis connected at both ends of the D-pillar assembly 100 and the A-pillar extension longitudinal beam and the rear cross beam assembly 400, which is beneficial to improve the transmission efficiency of the acting force on the D-pillar assembly 100 and the rear cross beam assembly 400 , which is beneficial to improve the torsional stiffness and torsional mode of the rear body structure.

It can be understood that the angles between the first force guiding structure 110 and the fourth force guiding structure 410 can be 80°, 82°, 85°, 88°, 90°, 82°, 95°, 98° , 100°, etc.

In some examples, rear cross member assembly 400 includes rear cross member inner panel 430 and rear cross member outer panel 420, at least one of rear cross member inner panel 430 and rear cross member outer panel 420 being a bent panel, rear cross member inner panel 430 and rear cross member The outer plates 420 are spliced together, and the fourth force guiding structure 410 is a rear beam guiding cavity formed by the rear beam inner plate 430 and the rear beam outer plate 420 . In this way, the fourth force guiding structure 410 is easy to be formed, the formed fourth force guiding structure 410 is lighter in weight, larger in cross section, higher in strength, and better in force guiding effect.

It can be understood that the rear cross member outer panel 420 and the rear cross member inner panel 430 may be distributed up and down, and both the rear cross member outer panel 420 and the rear cross member inner panel 430 may be fastened to the D-pillar inner panel 130 .

The rear cross member outer panel 420 and the rear cross member inner panel 430 may be fastened and connected by means of bonding, welding, fastener connection and the like.

The rear cross member outer panel 420 and the rear cross member inner panel 430 and the D-pillar assembly 100 may be fastened and connected by means of bonding, welding, fastener connection and the like.

In some examples, the beam inner panel and the rear beam outer panel 420 are both bent panels. In this way, the cross section of the fourth force guiding structure 410 can be further increased, and the force guiding effect of the fourth force guiding structure 410 and the strength of the rear beam assembly 400 can be improved.

In some possible embodiments, the end of the rear cross member assembly 400 is fastened to the D-pillar assembly 100 at the intersection of the D-pillar assembly 100 and the D-pillar reinforcement assembly 300 .

This arrangement is beneficial to improve the transmission efficiency of the force between the D-pillar reinforcement assembly 300 and the rear beam assembly 400, and the force on the D-pillar reinforcement assembly 300 can be quickly transmitted to the rear beam assembly 400 through the D-pillar assembly 100. The force on the beam assembly 400 can be quickly transmitted to the D-pillar reinforcement assembly 300 through the D-pillar assembly 100, which can shorten the transmission path of the force between the rear beam assembly 400 and the hub pack assembly 200, which is beneficial to improve the rear beam assembly 400. Force transfer efficiency with the hub pack assembly 200 .

In some possible implementations, the included angles between the fourth force guiding structure 410 and the second force guiding structure 310 at each position along the direction are greater than or equal to 80° and less than or equal to 100°.

In this way, the included angles of the fourth force guiding structure 410 and the second force guiding structure 310 are all close to right angles, which is beneficial for shortening the length of the second force guiding structure 310 and shortening the rear beam assembly 400 and the hub package assembly. The transmission path of the acting force between the 200 is beneficial to improve the force transmission efficiency between the rear cross member assembly 400 and the hub pack assembly 200 .

It can be understood that the included angles of the fourth force guiding structure 410 and the second force guiding structure 310 at various positions along the direction may be 80°, 82°, 85°, 88°, 90°, 82°, 95°, 98° , 100°, etc.

The vehicle provided in this embodiment includes a chassis and the rear body assembly in any of the above embodiments. The lower end of the D-pillar assembly of the rear body assembly and the lower end of the wheel hub assembly are both firmly connected to the chassis.

In the above embodiment, by changing the direction of the second force-conducting structure on the D-pillar reinforcement assembly, the angles between the first and second force-conducting structures at each position are close to a right angle. The direction of the force structure is similar to a straight line, which is conducive to shortening the length of the second force-conducting structure on the D-pillar reinforcement assembly, shortening the transmission path of the force on the D-pillar assembly and the hub package assembly, and improving the force on the D-pillar assembly. The efficiency of transferring the force from the hub bag assembly to other parts of the body and the force on the hub bag assembly to other parts of the body through the D-pillar assembly is beneficial to improve the torsional stiffness and torsional mode of the rear structure of the body.

It can be understood that the automobile may further include a C-pillar assembly, the upper end of the D-pillar assembly is fastened to the upper end of the C-pillar assembly, and the lower end of the C-pillar assembly is fastened to the chassis.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. scope.

Claims (10)

1. The vehicle body rear assembly is characterized by comprising a D-column assembly, a hub bag assembly and a D-column reinforcing assembly, wherein the upper end of the D-column reinforcing assembly is fixedly connected with the D-column assembly, and the lower end of the D-column reinforcing assembly is fixedly connected with the hub bag assembly;

the D column assembly is provided with a first force guide structure, and the first force guide structure is used for transmitting acting force on the D column assembly along the trend of the first force guide structure;

the D-column reinforcing assembly is provided with a second force guide structure, and the second force guide structure is used for enabling acting force on the D-column assembly and the hub bag assembly to be transmitted along the trend of the second force guide structure;

the included angle of each position on the trend of the first force guide structure and the second force guide structure is greater than or equal to 80 degrees and less than or equal to 100 degrees.

2. The rear vehicle body assembly according to claim 1, wherein the lower end of the hub packet assembly is adapted for fastening connection with a chassis of an automobile;

the hub bag assembly is provided with a third force guide structure, and the third force guide structure is used for enabling acting force on the D-pillar reinforcing assembly and the chassis to be transmitted along the trend of the third force guide structure;

the included angle between the second force guide structure and the third force guide structure at each position along the trend of the third force guide structure is greater than or equal to 170 degrees and less than or equal to 190 degrees.

3. The rear vehicle body assembly according to claim 1 or 2, further comprising a rear cross member assembly, wherein an end of the rear cross member assembly is fixedly connected with a middle portion of the D-pillar assembly;

the rear cross beam assembly is provided with a fourth force guide structure, and the fourth force guide structure is used for enabling acting force on the rear cross beam assembly and the D column assembly to be transmitted along the trend of the fourth force guide structure;

the included angle of each position on the trend of the first force guide structure and the fourth force guide structure is greater than or equal to 80 degrees and less than or equal to 100 degrees.

4. The rear body assembly according to claim 3, wherein an end of the rear cross member assembly is fixedly connected to the D-pillar assembly at an interface of the D-pillar assembly and the D-pillar reinforcement assembly.

5. The vehicle body rear assembly according to claim 4, characterized in that the angle between the fourth force guiding structure and the second force guiding structure at each position in the direction of the second force guiding structure is greater than or equal to 80 ° and less than or equal to 100 °.

6. The vehicle body rear assembly according to claim 1 or 2, wherein the D-pillar reinforcement component comprises a D-pillar reinforcement inner plate and a D-pillar reinforcement outer plate, and both the D-pillar reinforcement inner plate and the D-pillar reinforcement outer plate are bent plates;

the upper end of the D-column reinforcing outer plate is fixedly connected with the outer side of the D-column assembly, the upper end of the D-column reinforcing inner plate is fixedly connected with the inner side of the D-column assembly, the lower end of the D-column reinforcing outer plate is fixedly connected with the outer side of the hub bag assembly, and the lower end of the D-column reinforcing inner plate is fixedly connected with the inner side of the hub bag assembly;

the second force guide structure comprises an inner force guide cavity formed by the D column reinforced inner plate and an outer force guide cavity formed by the D column reinforced outer plate;

the included angle between the first force guide structure and each position on the trend of the outer force guide cavity is greater than or equal to 80 degrees and smaller than or equal to 100 degrees;

the included angle of each position on the trend of the first force guide structure and the inner side force guide cavity is greater than or equal to 80 degrees and less than or equal to 100 degrees.

7. The vehicle rear body assembly of claim 6, wherein said inboard force directing cavity is oriented along a direction of said D-pillar reinforcement inner panel and said outboard force directing cavity is oriented along a direction of said D-pillar reinforcement outer panel.

8. The assembly of claim 6, further comprising a middle connection plate, wherein an upper end of the middle connection plate is fastened to the D-pillar assembly, a lower end of the middle connection plate is fastened to the hub package assembly, the D-pillar reinforcing inner plate and the D-pillar reinforcing outer plate are both fastened to the middle connection plate, the D-pillar reinforcing inner plate and the middle connection plate form the inner force guide cavity therebetween, and the D-pillar reinforcing outer plate and the middle connection plate form the outer force guide cavity therebetween.

9. The vehicle body rear assembly according to claim 6, wherein a third force guide structure of the hub bag component is positioned on the inner side of the hub bag component, and the third force guide structure is used for transmitting acting force on the D-pillar reinforced inner plate and the chassis along the trend of the third force guide structure;

the included angle between the trend of the inner side force guide cavity and each position on the third force guide structure along the trend of the third force guide structure is greater than or equal to 170 degrees and less than or equal to 190 degrees.

10. An automobile comprising a chassis and a rear body assembly as claimed in any one of claims 1 to 9;

the lower end of the D column assembly of the vehicle body rear assembly and the lower end of the hub wrapping assembly are fixedly connected with the chassis.

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