CN220721197U - Vehicle body rear structure and vehicle - Google Patents

Abstract

The utility model provides a vehicle body rear part structure and a vehicle, wherein the vehicle body rear part structure comprises a rear side window inner plate, a C column reinforcement and a D column reinforcement which are connected with a rear wheel cover inner plate, and a CD column connecting plate connected between the C column reinforcement and the D column reinforcement; the bottoms of the C column reinforcement and the D column reinforcement are connected with the rear floor, and the top of the D column reinforcement is connected with the rear side window inner plate; the rear side window inner plate, the C column reinforcement, the D column reinforcement, the C column inner plate, the CD column connecting plate and the rear floor are connected to form a 'mu' -shaped force transmission structure. According to the vehicle body rear part structure, the rear side window inner plate, the C column reinforcing piece, the D column reinforcing piece, the C column inner plate, the CD column connecting plate and the rear floor connecting plate form the U-shaped force transmission structure, so that the overall torsional rigidity of the rear part of a vehicle is increased, the collision force transmission stability is ensured, and the collision safety and durability of the rear part of the vehicle body are improved.

Description

Vehicle body rear structure and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a vehicle body rear structure. Meanwhile, the utility model also relates to a vehicle provided with the vehicle body rear structure.

Background

With the rapid development of vehicle technology, the requirements of people on vehicle performance are increasing. The quality of the main body structure of the automobile body directly influences the performance of the whole automobile, particularly the stress of the rear structure of the automobile body is complex, and the impact force of the chassis on the rear suspension mounting structure, the impact force of the shock absorber on the automobile body, the impact force of the spring on the tower seat, the impact force of the rear collision on the automobile body and the like are directly born. However, the existing vehicle body rear structure has the problems of unstable force transmission and insufficient structural strength, so that the collision safety of the rear part of the vehicle body and the torsional rigidity of the whole vehicle are poor, and the safety performance requirement of the vehicle is difficult to meet.

Disclosure of Invention

In view of the above, the present utility model is directed to a vehicle body rear structure that facilitates improvement of structural strength and collision safety of a vehicle body rear portion.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a vehicle body rear structure includes a rear side window inner panel, a C-pillar reinforcement and a D-pillar reinforcement connected to a rear wheel cover inner panel, and a CD pillar connecting plate connected between the C-pillar reinforcement and the D-pillar reinforcement;

the bottoms of the C column reinforcement and the D column reinforcement are connected with a rear floor, the top of the C column reinforcement is connected with a C column inner plate, and the top of the D column reinforcement is connected with a rear side window inner plate;

the rear side window inner plate, the C column reinforcing piece, the D column reinforcing piece, the C column inner plate, the CD column connecting plate and the rear floor are connected to form a 'mesh' -shaped force transmission structure.

Further, the C pillar inner panel is integrally formed with the rear side window inner panel.

Further, the CD column connecting plate is arranged at the top of the rear wheel cover inner plate, and a first cavity is formed by enclosing the CD column connecting plate, the rear wheel cover inner plate and the rear wheel cover outer plate.

Further, the CD column connecting plate is provided with a transverse side wall and a longitudinal side wall which are perpendicular to each other;

the edge of the transverse side wall is provided with a first turned-up edge, the first turned-up edge is connected with the outer plate of the rear wheel cover, the edge of the longitudinal side wall is provided with a second turned-up edge turned to one side in the vehicle, and the second turned-up edge is connected with the top of the inner plate of the rear wheel cover; and/or the number of the groups of groups,

the front end and the rear end of the transverse side wall are respectively provided with a third flanging which is turned over outwards of the first cavity, and the third flanging at the two ends is respectively connected with the C column reinforcing piece and the D column reinforcing piece at the corresponding ends.

Further, a second cavity is formed between the C column reinforcement and the rear wheel cover inner plate and the rear wheel cover outer plate in an enclosing manner; and/or the number of the groups of groups,

a third cavity is formed between the D-pillar reinforcement and the rear wheel cover inner plate and the rear wheel cover outer plate in an enclosing mode.

Further, the D-pillar stiffener is disposed across the rear floor rail and forms a first operating space between the D-pillar stiffener and the rear floor rail.

Further, the C-pillar stiffener is connected to the rear floor via a rear floor cross member, and the C-pillar stiffener is disposed across the rear floor stringer, and forms a second operating space between the C-pillar stiffener and the rear floor stringer.

Further, the C-pillar stiffener includes a first portion and a second portion disposed across the rear floor rail and connected to the rear floor cross member;

the thickness of the second portion is greater than the thickness of the first portion, which is greater than the thickness of the rear floor cross member.

Further, the first portion includes a first longitudinal portion and a second longitudinal portion extending in the vehicle up-down direction, and a lateral portion connected between the first longitudinal portion and the second longitudinal portion;

the first longitudinal portion is connected to the rear wheel cover outer plate, and the second longitudinal portion and the lateral portion are both connected to the rear wheel cover inner plate.

Compared with the prior art, the utility model has the following advantages:

according to the vehicle body rear part structure, the C column reinforcement, the D column reinforcement and the CD column connecting plate are arranged, so that the structural strength of the vehicle body rear part is improved, the rear side window inner plate, the C column reinforcement, the D column reinforcement, the C column inner plate, the CD column connecting plate and the rear floor connecting plate form a 'mesh' -shaped force transmission structure, the integral torsional rigidity of the vehicle rear part is improved, an intact annular structure can be formed when the vehicle rear part collides, the collision force transmission stability is ensured, and the collision safety and durability of the vehicle body rear part are improved.

In addition, through making C post inner panel and rear side window inner panel integrated into one piece, simple structure, when being convenient for process, can make C post inner panel and rear side window inner panel have better structural strength.

In addition, through setting up the CD post connecting plate at the top of back wheel casing inner panel to be formed with first cavity between CD post connecting plate and back wheel casing inner panel, can utilize the great characteristics of cavity structural strength, better messenger CD post connecting plate plays the effect that the structure strengthened to back wheel casing inner panel, and can make automobile body whole torsional rigidity and mode higher.

Through being provided with first turn-ups and second turn-ups, not only can improve the structural strength of CD post connecting plate, be convenient for CD post connecting plate and back wheel cover planking and back wheel cover inner panel be connected, also do benefit to the joint strength who promotes CD post connecting plate and back wheel cover planking and back wheel cover inner panel, and through setting up the third turn-ups, do benefit to the joint strength who promotes between CD post connecting plate and C post reinforcement and the D post reinforcement.

And secondly, a second cavity is formed between the C column reinforcement and the rear wheel cover inner plate and the rear wheel cover outer plate in an enclosing mode, so that the characteristic of high structural strength of the cavity is utilized, and the C column reinforcement plays a role in structural reinforcement on the rear wheel cover inner plate and the rear wheel cover outer plate better. Through being formed with the third cavity, be convenient for make the better effect that plays the structural reinforcement to rear wheel cover inner panel and rear wheel cover planking of D post reinforcement.

Furthermore, through forming first operating space between D post reinforcement and back floor longeron, be convenient for carry out the rubber coating operation to the position that is in D post reinforcement below on the back floor longeron to guarantee the sealed between automobile body side wall and the floor. And the second operation space is formed, so that the gluing operation is conveniently performed on the position, below the C column reinforcing piece, on the rear floor longitudinal beam.

In addition, make C post reinforcement include first portion and second portion to make the second portion link to each other with the back floor crossbeam, be convenient for under the prerequisite of guaranteeing automobile body rear portion rigidity and collision security, through increasing the thickness of second portion, and make the thickness furthest of back floor crossbeam attenuate, thereby do benefit to the weight that lightens the automobile body rear portion, be convenient for realize the lightweight design of vehicle.

In addition, by having the first portion include a first longitudinal portion, a second longitudinal portion, and a transverse portion, the connection of the first portion with the rear wheel cover inner plate and the rear wheel cover outer plate is facilitated.

Another object of the present utility model is to propose a vehicle in which the vehicle body rear structure as described above is provided.

The vehicle provided by the utility model is beneficial to improving the safety of the vehicle and the satisfaction degree of customers on the vehicle by virtue of the vehicle body rear structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic view of a vehicle body rear structure according to an embodiment of the present utility model;

fig. 2 is a schematic view of a connection structure of a vehicle body rear structure, a roof auxiliary beam and a roof rear beam according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing a part of a structure of a rear portion of a vehicle body according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is a cross-sectional view taken along the direction B-B in FIG. 3;

fig. 6 is a schematic view showing a connection structure between a rear structure of a vehicle body and other parts of the vehicle body according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a rear side window inner panel; 2. c column reinforcement; 201. a first portion; 2011. a first longitudinal portion; 2012. a second longitudinal portion; 2013. a lateral portion; 202. a second portion; 3. a D-pillar stiffener; 301. a third section; 302. a fourth section; 4. a CD column connection plate; 401. lateral side walls; 4011. a first flanging; 4012. a third flanging; 402. a longitudinal side wall; 4021. a second flanging;

5. a rear floor; 6. a C column inner plate; 7. a rear wheel cover inner plate; 8. a rear wheel cover outer plate; 9. a first cavity; 10. a second cavity; 11. a third cavity; 12. a rear floor stringer; 13. a rear floor cross member; 14. a first operation space; 15. a second operation space; 16. a D column inner plate; 17. the top cover assists the cross beam; 18. and a top cover rear cross beam.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, the terms "upper, lower, left, right, front, and rear" used in the present embodiment are defined with reference to the up-down direction, the left-right direction, and the front-rear direction of the automobile. The vertical direction of the automobile, namely the height direction of the automobile, the front-back direction of the automobile, namely the length direction of the automobile, and the left-right direction of the automobile, namely the width direction of the automobile.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment relates to a vehicle body rear structure that includes, in its entirety, a rear side window inner panel 1, a C-pillar reinforcement 2 and a D-pillar reinforcement 3 that are connected to a rear wheel house inner panel 7, and a CD-pillar connecting plate 4 that is connected between the C-pillar reinforcement 2 and the D-pillar reinforcement 3. The bottoms of the C column reinforcement 2 and the D column reinforcement 3 are connected with the rear floor 5, the top of the C column reinforcement 2 is connected with the C column inner plate 6, the top of the D column reinforcement 3 is connected with the rear side window inner plate 1, and the rear side window inner plate 1, the C column reinforcement 2, the D column reinforcement 3, the C column inner plate 6, the CD column connecting plate 4 and the rear floor 5 are connected to form a 'mesh' -shaped force transmission structure.

It can be understood that by arranging the C-pillar reinforcement 2, the D-pillar reinforcement 3 and the CD-pillar connecting plate 4, the structural strength of the rear part of the vehicle body is improved, and by forming the rear side window inner plate 1, the C-pillar reinforcement 2, the D-pillar reinforcement 3, the C-pillar inner plate 6, the CD-pillar connecting plate 4 and the rear floor 5 into a 'mesh' -shaped force transmission structure, the whole torsional rigidity of the rear part of the vehicle is improved, and meanwhile, the rear part of the vehicle can form a perfect annular structure when in collision, the stable collision force transmission is ensured, and the collision safety and durability of the rear part of the vehicle body are improved.

Based on the above overall description, an exemplary structure of the present embodiment is shown in fig. 1 to 6. In this example, as shown in fig. 1, the C pillar inner panel 6 is integrally formed with the rear side window inner panel 1 as a preferred embodiment. Thus, the structure is simple, and the C-pillar inner plate 6 and the rear side window inner plate 1 can have better structural strength while being convenient to process.

Note that, in this embodiment, the C pillar inner panel 6 and the rear side window inner panel 1 are integrally formed as one preferred embodiment, and in other embodiments, the C main inner panel and the rear side window inner panel 1 may be separately formed, and then the C main inner panel and the rear side window inner panel 1 may be separately processed and then connected by welding or the like commonly used in the prior art.

As a preferred arrangement, as shown in fig. 2 and fig. 3 and 4, in the present embodiment, the CD pillar connecting plate 4 is provided on top of the rear wheel cover inner plate 7, and the CD pillar connecting plate 4, the rear wheel cover inner plate 7, and the rear wheel cover outer plate 8 are enclosed to form a first cavity 9 therebetween. Through setting up CD post connecting plate 4 at the top of back wheel casing inner panel 7 to be formed with first cavity 9 between CD post connecting plate 4 and back wheel casing inner panel 7, can utilize the great characteristics of cavity structural strength, better messenger's CD post connecting plate 4 plays the effect that the structure strengthened to back wheel casing inner panel 7, and can make automobile body whole torsional rigidity and mode higher.

In particular, as shown in fig. 3, in this embodiment, the CD column connecting plate 4 has a transverse side wall 401 and a longitudinal side wall 402 that are perpendicular to each other. The edge of the lateral side wall 401 is provided with a first flange 4011 which is turned upwards, the first flange 4011 is connected with the rear wheel cover outer plate 8, the edge of the longitudinal side wall 402 is provided with a second flange 4021 which is turned towards one side in the vehicle, and the second flange 4021 is connected with the top of the rear wheel cover inner plate 7. The front end and the rear end of the transverse side wall 401 are respectively provided with a third flanging 4012 which is turned outwards towards the first cavity 9, and the third flanging 4012 at the two ends is respectively connected with the C column reinforcement 2 and the D column reinforcement 3 at the corresponding ends.

It can be appreciated that by being provided with the first flange 4011 and the second flange 4021, the connection strength between the CD pillar connecting plate 4 and the rear wheel cover outer plate 8 and the rear wheel cover inner plate 7 is facilitated to be improved, and by being provided with the third flange 4012, the connection strength between the CD pillar connecting plate 4 and the C pillar reinforcement 2 and the D pillar reinforcement 3 is facilitated to be improved.

It should be noted that, in other embodiments, the edges of the lateral side wall 401 and the longitudinal side wall 402 may be directly connected to the rear wheel house outer panel 8 and the rear wheel house inner panel 7 without providing the first flange 4011 and the second flange 4021, or the front and rear ends of the lateral side wall 401 may be directly connected to the C-pillar reinforcement 2 and the D-pillar reinforcement 3, respectively, without providing the third flange 4012. In addition, the first flange 4011, the second flange 4021, and the rear wheel cover inner plate 7 may be connected to the C-pillar reinforcement 2 and the D-pillar reinforcement 3 by conventional means such as welding, etc.

As a preferred embodiment, as shown in fig. 4, a second cavity 10 is defined between the C-pillar reinforcement 2 and the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8, and a third cavity 11 is defined between the d-pillar reinforcement 3 and the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8. In particular, the C-pillar reinforcement 2 is formed with a first arch that arches to the in-vehicle side, and the D-pillar reinforcement 3 is formed with a second arch that arches to the in-vehicle side, so that the C-pillar reinforcement 2 and the D-pillar reinforcement 3 can each enclose a cavity with the rear wheel cover inner panel 7 and the rear wheel cover outer panel 8.

In addition, in the design, the dimensions of the first arch and the second arch in the longitudinal direction of the entire vehicle are preferably set to 95mm and the dimensions of the first arch and the second arch in the width direction of the entire vehicle are preferably set to 50mm, so that the widths of the second cavity 10 and the third cavity 11 are both set to 95mm and the heights thereof are both set to 50mm.

It can be understood that the second cavity 10 is formed between the C-pillar reinforcement 2 and the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8 by enclosing, and the C-pillar reinforcement 2 better plays a role in structurally reinforcing the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8 by utilizing the characteristic of large structural strength of the cavity. By forming the third cavity 11, the D-pillar reinforcement 3 can be more effectively structurally reinforced with respect to the rear wheel house inner panel 7 and the rear wheel house outer panel 8.

It should be noted that, in this embodiment, even though the second cavity 10 is formed between the C pillar reinforcement 2 and the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8, and the third cavity 11 is formed between the D pillar reinforcement 3 and the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8, only a preferred embodiment is provided, and furthermore, the second cavity 10 may be formed between the C pillar reinforcement 2 and the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8, or the third cavity 11 may be formed between the D pillar reinforcement 3 and the rear wheel cover inner plate 7 and the rear wheel cover outer plate 8.

As a preferred embodiment, in the present example, the D-pillar stiffener 3 is arranged across the rear floor rail 12 and a first operating space 14 is formed between the D-pillar stiffener 3 and the rear floor rail 12. In this way, the gluing operation is conveniently carried out on the position, below the D column reinforcing piece 3, on the rear floor longitudinal beam 12, and the sealing between the side wall of the vehicle body and the floor is ensured. It should be noted that the first operation space 14 is specifically a gap reserved between the D-pillar reinforcement 3 and the rear floor stringer 12 for the glue application operation.

Further, as shown in fig. 2 and 5, the C-pillar stiffener 2 is disposed across the rear floor rail 12, and a second operating space 15 is formed between the C-pillar stiffener 2 and the rear floor rail 12. In this way, it is convenient to carry out the gluing operation on the rear floor stringer 12 in a position below the C-pillar stiffener 2, so as to guarantee the seal between the body side and the floor. It should be noted that the second operation space 15 is specifically a gap reserved between the C-pillar reinforcement 2 and the rear floor stringer 12 for the glue application operation.

As a preferred embodiment, the C-pillar reinforcement 2 comprises a first portion 201 and a second portion 202, the second portion 202 being arranged across the rear floor longitudinal beam 12 and being connected to the rear floor cross member 13. The thickness of the second portion 202 is greater than the thickness of the first portion 201, and the thickness of the first portion 201 is greater than the thickness of the rear floor cross member 13.

In practice, it is preferable to have a thickness of 1.4mm for the first portion 201, 2mm for the second portion 202, and 0.6mm for the floor beam. It can be appreciated that in the present embodiment, the thickness of the rear floor cross member 13 can be reduced to the greatest extent by increasing the thickness of the second portion 202 on the premise of ensuring the rigidity and collision safety of the rear portion of the vehicle body, thereby facilitating the reduction of the weight of the rear portion of the vehicle body and the realization of the lightweight design of the vehicle.

Further, as shown in fig. 3, the first portion 201 includes a first longitudinal portion 2011 and a second longitudinal portion 2012 extending in the vehicle up-down direction, and a lateral portion 2013 connected between the first longitudinal portion 2011 and the second longitudinal portion 2012. The first longitudinal portion 2011 is connected to the rear wheel cover outer plate 8 and the second longitudinal portion 2012 and the lateral portion 2013 are connected to the rear wheel cover inner plate 7. It will be appreciated that by having the first portion 201 include the first longitudinal portion 2011, the second longitudinal portion 2012 and the transverse portion 2013, the connection of the first portion 201 with the rear wheel cover inner panel 7 and the rear wheel cover outer panel 8 is facilitated.

It should be noted that the D-pillar reinforcement 3 has the same structure as the C-pillar reinforcement 2, and still as shown in fig. 3, the D-pillar reinforcement 3 includes a third portion 301 and a fourth portion 302, wherein the third portion 301 has the same structure as the first portion 201, and the fourth portion 302 has the same structure as the second portion 202. Also, in practice, the thickness of the third portion 301 may be preferably 1.0mm. Further, the thickness of the rear wheel cover inner panel 7 may be preferably 0.8mm.

As shown in fig. 1, the rear end of the rear side window inner panel 1 is connected to the front end of the D pillar inner panel 16 so that the stress of the D pillar can be transmitted to the "mesh" type force transmission structure. In addition, as shown in fig. 6, the rear floor cross member 13, the roof auxiliary cross member 17, and the C-pillar reinforcement 2 and the C-pillar inner panel 6 on both sides are formed in a round force transmission structure, and the roof rear cross member 18 and the D-pillar reinforcement 3 and the rear side window inner panel 1 on both sides are formed in a U-shaped force transmission channel with downward openings, thereby facilitating further improvement of structural strength and impact force transmission effect of the rear part of the vehicle body.

According to the vehicle body rear structure, the 'mesh' -shaped force transmission structure is formed at the rear part of the vehicle body, so that the integral torsional rigidity of the rear part of the vehicle is increased, meanwhile, an intact annular structure can be formed when the rear part of the vehicle collides, the stable collision force transmission is ensured, and the collision safety and durability of the rear part of the vehicle body are improved. And through being formed with first cavity 9, second cavity 10 and third cavity 11, can utilize the great characteristics of cavity structural strength, better messenger's CD post connecting plate 4 plays the effect that the structure strengthened to rear wheel cover inner panel 7, and can make automobile body whole torsional rigidity and mode higher.

Example two

The present embodiment relates to a vehicle, and in its overall configuration, the vehicle of the present embodiment is provided with the vehicle body rear structure of the first embodiment.

The vehicle of the embodiment is beneficial to improving the safety of the vehicle and the satisfaction degree of customers on the vehicle by the vehicle body rear structure of the embodiment.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A vehicle body rear structure, characterized in that:

comprises a rear side window inner plate (1), a C column reinforcement (2) and a D column reinforcement (3) which are connected with a rear wheel cover inner plate (7), and a CD column connecting plate (4) which is connected between the C column reinforcement (2) and the D column reinforcement (3);

the bottoms of the C column reinforcement (2) and the D column reinforcement (3) are connected with a rear floor (5), the top of the C column reinforcement (2) is connected with a C column inner plate (6), and the top of the D column reinforcement (3) is connected with a rear side window inner plate (1);

the rear side window inner plate (1), the C column reinforcement (2), the D column reinforcement (3), the C column inner plate (6), the CD column connecting plate (4) and the rear floor (5) are connected to form a 'mesh' -shaped force transmission structure.

2. The vehicle body rear structure according to claim 1, characterized in that:

the C column inner plate (6) and the rear side window inner plate (1) are integrally formed.

3. The vehicle body rear structure according to claim 1, characterized in that:

the CD column connecting plate (4) is arranged at the top of the rear wheel cover inner plate (7), and a first cavity (9) is formed by enclosing the CD column connecting plate (4), the rear wheel cover inner plate (7) and the rear wheel cover outer plate (8).

4. A vehicle body rear structure according to claim 3, characterized in that:

the CD column connection plate (4) is provided with a transverse side wall (401) and a longitudinal side wall (402) which are perpendicular to each other;

the edge of the transverse side wall (401) is provided with a first turnup (4011) which is turned upwards, the first turnup (4011) is connected with the outer plate (8) of the rear wheel cover, the edge of the longitudinal side wall (402) is provided with a second turnup (4021) which is turned inwards, and the second turnup (4021) is connected with the top of the inner plate (7) of the rear wheel cover; and/or the number of the groups of groups,

the front end and the rear end of the transverse side wall (401) are respectively provided with a third flanging (4012) which is turned outwards towards the first cavity (9), and the third flanging (4012) at the two ends are respectively connected with the C column reinforcement (2) and the D column reinforcement (3) at the corresponding ends.

5. A vehicle body rear structure according to claim 3, characterized in that:

a second cavity (10) is formed between the C column reinforcement (2) and the rear wheel cover inner plate (7) and the rear wheel cover outer plate (8) in a surrounding manner; and/or the number of the groups of groups,

a third cavity (11) is formed between the D-pillar reinforcement (3) and the rear wheel cover inner plate (7) and the rear wheel cover outer plate (8) in a surrounding manner.

6. The vehicle body rear structure according to claim 1, characterized in that:

the D-pillar reinforcement (3) is arranged across the rear floor rail (12) and forms a first operating space (14) between the D-pillar reinforcement (3) and the rear floor rail (12).

7. The vehicle body rear structure according to any one of claims 3 to 5, characterized in that:

the C-pillar reinforcement (2) is connected with the rear floor (5) by a rear floor cross beam (13), and the C-pillar reinforcement (2) is arranged across a rear floor longitudinal beam (12) and forms a second operating space (15) between the C-pillar reinforcement (2) and the rear floor longitudinal beam (12).

8. The vehicle body rear structure according to claim 7, characterized in that:

the C-pillar reinforcement (2) comprises a first portion (201) and a second portion (202), the second portion (202) being arranged across the rear floor stringer (12) and being connected to the rear floor cross member (13);

the thickness of the second portion (202) is greater than the thickness of the first portion (201), the thickness of the first portion (201) being greater than the thickness of the rear floor cross member (13).

9. The vehicle body rear structure according to claim 8, characterized in that:

the first portion (201) includes a first longitudinal portion (2011) and a second longitudinal portion (2012) extending in the vehicle up-down direction, and a lateral portion (2013) connected between the first longitudinal portion (2011) and the second longitudinal portion (2012);

the first longitudinal portion (2011) is connected to the rear wheel cover outer plate (8), and the second longitudinal portion (2012) and the lateral portion (2013) are both connected to the rear wheel cover inner plate (7).

10. A vehicle, characterized in that:

the vehicle is provided with the vehicle body rear structure according to any one of claims 1 to 9.