CN217778774U - Rear wall assembly, vehicle body structure and vehicle - Google Patents

Abstract

The utility model discloses a enclose assembly, body construction and vehicle after, enclose the assembly after and include: the rear wall inner plate is connected with the rear wall outer plate and limits an installation space, and the rear wall inner plate is provided with an installation opening; the energy-absorbing box subassembly, the energy-absorbing box subassembly install in installing port department and at least part extend in the installation space, the energy-absorbing box subassembly is formed with open energy-absorbing chamber forward, the energy-absorbing chamber is used for wearing to establish fixed back floor longeron. The utility model discloses a enclose the assembly after, through setting up the installing port on enclosing the inner panel after, and set up energy-absorbing box subassembly in installing port department, floor longeron passes through energy-absorbing box subassembly and installs in installing port department after to can reduce the height of enclosing the tang after, and can increase the cross-section cavity size of enclosing the assembly after, with the torsional rigidity who improves the automobile body, simultaneously, energy-absorbing box subassembly can be used for absorbing the collision energy, does benefit to the security performance that promotes whole car.

Description

Rear wall assembly, vehicle body structure and vehicle

Technical Field

The utility model belongs to the technical field of the vehicle technique and specifically relates to an enclose assembly, body construction and vehicle after.

Background

The rear wall assembly is connected with the floor longitudinal beam and the side wall D-column assembly, the structure enables a D-ring transfer channel of the vehicle body to be complete, the torsional rigidity of the vehicle body is met, the collision force can be transferred to the vehicle body longitudinal beam through the rear wall when rear collision occurs, and meanwhile the rear wall assembly is provided with the structural design of a rear floor storage cabin.

The existing rear wall assembly is arranged above the longitudinal beam, the storage cabin is arranged above the rear floor, but the rear wall seam allowance is higher due to the arrangement, if the seam allowance height of the existing rear wall assembly is directly reduced, the size of the cross-section cavity of the rear wall assembly is reduced or the rear wall assembly is discontinuous in the positions of the left longitudinal beam and the right longitudinal beam, so that when the parting of a back door and a rear bumper is needed to be lower in the car body shape, the size of the cross-section cavity of the rear wall assembly is reduced, or the rear floor longitudinal beam divides the rear wall cavity into a middle cavity and a left cavity and a right cavity, the torsional rigidity of the car body is reduced, the safety performance of the whole car is affected, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a enclose assembly after, can reduce the height of enclosing the tang after, and can improve the torsional rigidity of automobile body, do benefit to the security performance that promotes whole car.

According to the utility model discloses enclose assembly after, include: the rear wall inner plate is connected with the rear wall outer plate and limits an installation space, and the rear wall inner plate is provided with an installation opening; the energy-absorbing box subassembly, the energy-absorbing box subassembly install in installing port department and at least part extend in the installation space, the energy-absorbing box subassembly is formed with open energy-absorbing chamber forward, the energy-absorbing chamber is used for wearing to establish fixed back floor longeron.

According to the utility model discloses enclose the assembly after, through setting up the installing port on enclosing the inner panel after, and set up energy-absorbing box subassembly in installing port department, floor longeron passes through energy-absorbing box subassembly and installs in installing port department after to can reduce the height of enclosing the tang after, and can increase the cross-section cavity size of enclosing the assembly after, with the torsional rigidity who improves the automobile body, simultaneously, energy-absorbing box subassembly can be used for absorbing the collision energy, does benefit to the security performance that promotes whole car.

According to the utility model discloses enclose the assembly after, enclose the inner panel after including last inner panel and lower inner panel, the upside border of inner panel is formed with recessed mounting groove down, go up the inner panel connect in the upside of lower inner panel just is in mounting groove department is injectd the installing port, energy-absorbing box subassembly support in mounting groove department.

According to the utility model discloses enclose assembly after some embodiments, the mounting groove is two, and two the mounting groove is followed spaced apart distribution on the length direction of lower inner panel, it installs in two to go up the inner panel the upside of mounting groove with the lower inner panel is injectd two the installing port.

According to the utility model discloses enclose the assembly after some embodiments, energy-absorbing box subassembly includes back anticollision roof beam mounting panel, longeron connecting plate and connection inner panel, the longeron connecting plate support install in mounting groove department, just the longeron connecting plate forms open support groove up, connect the inner panel shelter from install in support the upside in groove, back anticollision roof beam mounting panel connect in the rear side of longeron connecting plate and with enclose the planking after and link to each other, the rear end of back floor longeron support in support the inslot.

According to the utility model discloses enclose the assembly after some embodiments, it is equipped with at least one muscle that contracts to connect the inner panel, the muscle that contracts along horizontal extension setting.

According to the utility model discloses enclose the assembly after some embodiments, the downside border department of going up the inner panel is equipped with the last support turn-ups that extends forward, the upside border department of lower inner panel is equipped with the under bracing turn-ups that extends forward, go up support turn-ups laminating support in the under bracing turn-ups.

According to the utility model discloses enclose the assembly after some embodiments, go up the turn down rims upper surface of support and be formed with the holding surface, the holding surface is used for supporting the front end of installation back threshold plaque and/or the rear end of suitcase apron.

The utility model provides a vehicle body structure.

According to the utility model discloses body structure, include: the rear floor comprises a rear floor framework, a rear floor panel, a storage cabin and the rear wall assembly of any one of the embodiments, wherein the rear floor panel is supported above the rear floor framework, the rear floor framework comprises a rear floor cross beam and two rear floor longitudinal beams, the rear floor cross beam is connected between the two rear floor longitudinal beams, the storage cabin is positioned behind the rear floor cross beam and the rear floor panel, and in the vertical direction, the storage cabin is lower than the rear floor panel; the rear floor longitudinal beam comprises two mounting ports, and the rear ends of the two rear floor longitudinal beams are respectively arranged at the energy absorption box assemblies of the two mounting ports in a penetrating mode.

According to the utility model discloses the automobile body structure of some embodiments, the storing cabin includes a storing cabin body and a storing cabin supporting beam, a storing cabin supporting beam's rear end with enclose the inner panel after and link to each other, storing cabin body fixed stay in a storing cabin supporting beam's top, the side of storing cabin body with back floor longeron links to each other, the front end of storing cabin body with back floor crossbeam links to each other.

The utility model provides a vehicle.

According to the utility model discloses the vehicle, be provided with any one of above-mentioned embodiment the body construction.

The vehicle, the body structure and the rear wall assembly have the same advantages as compared with the prior art, and are not described herein,

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

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a rear wall assembly according to some embodiments of the present invention;

FIG. 2 is a front view of the rear enclosure assembly of FIG. 1;

FIG. 3 is a schematic structural view of an energy absorption box assembly of the rear enclosure assembly of FIG. 1;

FIG. 4 is a partial rear view of the rear enclosure assembly of FIG. 1;

FIG. 5 is a schematic view of a vehicle body structure according to some embodiments of the present invention;

FIG. 6 is a schematic view of another perspective of the vehicle body structure of FIG. 5;

FIG. 7 is a front view of the vehicle body structure of FIG. 6;

FIG. 8 isbase:Sub>A cross-sectional view at A-A of the vehicle body structure of FIG. 7;

FIG. 9 is a cross-sectional view at B-B of the vehicle body structure of FIG. 7;

FIG. 10 is a cross-sectional schematic view at C-C of the vehicle body structure of FIG. 7;

FIG. 11 is a cross-sectional schematic view at D-D of the vehicle body structure of FIG. 7;

FIG. 12 is a schematic view of a storage compartment of the vehicle body structure of FIG. 7;

fig. 13 is an exploded view of the vehicle body structure of fig. 7.

Reference numerals:

in the structure 1000 of a vehicle body,

a rear wall assembly 100, a rear floor framework 200, a rear floor cross beam 201, a rear floor longitudinal beam 202, a rear floor panel 300,

a storage compartment 400, a storage compartment body 401, a storage compartment support beam 402, a storage compartment connecting plate 403,

a rear wall inner plate 10, an upper inner plate 11, an upper support flange 111,

a lower inner plate 12, a mounting groove 121, a lower support flange 122,

a back wall outer plate 20, a back wall connecting plate 21, a back wall and side wall connecting plate 22,

an energy absorption box assembly 30, a rear impact beam mounting plate 31, a longitudinal beam connecting plate 32, a connecting inner plate 33, a collapse rib 331,

rear sill garnish 40, trunk deck 50, seat track 60, and carpet 70.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

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

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e. the X direction, where "front" refers to the end toward the vehicle head, and "rear" refers to the end toward the vehicle tail; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

A rear wall assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1-13.

According to the utility model discloses enclose assembly 100 after, include: a back wall inner plate 10, a back wall outer plate 20 and an energy absorption box assembly 30.

Specifically, as shown in fig. 1, fig. 2, fig. 8 and fig. 10, the rear wall inner plate 10 is connected with the rear wall outer plate 20 and defines an installation space, the rear wall inner plate 10 is provided with an installation opening, the energy absorption box assembly 30 is installed at the installation opening and at least partially extends into the installation space, the energy absorption box assembly 30 is formed with an energy absorption cavity which is open forward and is used for penetrating and fixing the rear floor longitudinal beam 202.

From this, through setting up the installing port, be convenient for install energy-absorbing box subassembly 30 in installing port department, at least part of energy-absorbing box subassembly 30 extends in the installation space, so that the rational arrangement, make full use of installation space, and do benefit to back floor longeron 202 and peg graft and be fixed in the energy-absorbing intracavity, thereby be convenient for reduce the height of back enclosure assembly 100, reduce the height of back enclosure tang promptly, and simultaneously, can increase the cross-section cavity size of back enclosure assembly 100, in order to improve the torsional rigidity of automobile body, and energy-absorbing box subassembly 30 can receive most collision energy when the rear of a vehicle receives the striking, and do benefit to and transmit surplus collision energy for back floor longeron 202, in order to turn into automobile body kinetic energy with collision energy, thereby reduce automobile body deflection, reduce the cost of maintenance of automobile body after the collision, promote whole car security.

For example, the rear wall assembly 100 is disposed at the rear of the vehicle, and as shown in fig. 1 and fig. 2, the rear wall assembly 100 is further provided with a rear wall connecting plate 21 and a rear wall and side wall connecting plate 22, so that the rear wall assembly 100 is connected to the side wall, wherein the rear wall inner plate 10 is connected to the rear wall outer plate 20, and in the front and rear direction, at least a portion of the rear wall inner plate 10 and at least a portion of the rear wall outer plate 20 are spaced apart to define an installation space, wherein an installation opening is provided on the rear wall inner plate 10, the energy absorption box assembly 30 is installed at the installation opening, and the energy absorption box assembly 30 extends into the installation space along the installation opening, so as to fully utilize the installation space.

As shown in FIG. 1, the front end (the end facing away from the rear quarter outer panel 20) of the energy absorption box assembly 30 is open, so that the rear floor stringer 202 can extend into the energy absorption cavity along the open side of the energy absorption box assembly 30, and the rear floor stringer 202 is fixedly connected with the energy absorption box assembly 30.

From this, through setting up energy-absorbing box subassembly 30, can realize enclosing the assembly 100 and being connected of back floor longeron 202 after, and because energy-absorbing box subassembly 30 installs in the installing port department that encloses inner panel 10 after, the projection that encloses assembly 100 after back floor longeron 202 in front and back direction is coincident with the at least part of back enclosure assembly 100 promptly, compare in prior art, enclose assembly 100 after and arrange in the technical scheme in the top of back floor longeron 202, the utility model discloses in through setting up the installing port, can reduce the height of enclosing assembly 100 after, enclose the height of tang after reducing promptly, simultaneously, can increase the cross-section cavity size that encloses assembly 100 after, with the torsional rigidity that improves the automobile body box, and energy-absorbing component 30 can receive most collision energy when the rear of a vehicle receives the striking, and do benefit to remaining collision energy transfer for back floor longeron 202, with collision energy transformation automobile body kinetic energy into automobile body, thereby reduce automobile body deflection, reduce the cost of maintenance of automobile body after the collision, promote the safety.

According to the utility model discloses enclose assembly 100 after, through setting up the installing port on enclosing inner panel 10 after, and set up energy-absorbing box subassembly 30 in installing port department, floor longitudinal 202 installs in installing port department through energy-absorbing box subassembly 30 thereafter to enclose the height of tang after can reducing, and can increase the cross-section cavity size of enclosing assembly 100 after, in order to improve the torsional rigidity of automobile body, and simultaneously, energy-absorbing box subassembly 30 can be used for absorbing the collision energy, do benefit to the security performance that promotes whole car.

In some embodiments, as shown in fig. 1 and 10, the quarter inner panel 10 includes an upper inner panel 11 and a lower inner panel 12,

specifically, as shown in fig. 13, an upper side edge of the lower inner plate 12 is formed with a mounting groove 121 recessed downward, the upper inner plate 11 is coupled to an upper side of the lower inner plate 12 and defines a mounting opening at the mounting groove 121, and the energy-absorbing box assembly 30 is supported at the mounting groove 121.

Therefore, by arranging the upper inner plate 11 and the lower inner plate 12, the processing and design of the mounting port are facilitated, and the mounting groove 121 is formed in the edge of the upper side of the lower inner plate 12, so that the energy absorption box assembly 30 is limited, and the structural stability of the energy absorption box assembly 30 is enhanced.

Further, as shown in fig. 13, there are two mounting grooves 121, and the two mounting grooves 121 are spaced apart from each other in the length direction of the lower inner plate 12, and the upper inner plate 11 is mounted to the upper sides of the two mounting grooves 121 to define two mounting openings with the lower inner plate 12.

It should be noted that, the number of the rear floor longitudinal beams 202 is two, and therefore, by providing two installation grooves 121, two installation openings are defined at the two installation grooves 121 in the upper inner plate 11 and the lower inner plate 12, so that the energy-absorbing box assemblies 30 are installed at the two installation openings, and thus the two rear floor longitudinal beams 202 are correspondingly installed through the two energy-absorbing box assemblies 30.

For example, the back wall attachment plates 21 are respectively provided at both ends of the upper inner panel 11, and the back wall attachment plates 21 and the back wall are connected to the side wall attachment plates 22, and the back wall attachment plates 21 are located at the upper side of the installation grooves 121 of the lower inner panel 12 so as to define two installation openings, thereby facilitating the corresponding installation of the two rear floor stringers 202.

In some embodiments, as shown in FIG. 3, energy absorption box assembly 30 includes a rear impact beam mounting plate 31, a side rail attachment plate 32, and an inner attachment plate 33.

The longitudinal beam connecting plate 32 is supported and installed at the installation groove 121, the longitudinal beam connecting plate 32 forms a support groove which is open upwards, the connecting inner plate 33 is installed on the upper side of the support groove in a shielding manner, the rear impact beam mounting plate 31 is connected to the rear side of the longitudinal beam connecting plate 32, as shown in fig. 4, the rear impact beam mounting plate 31 is connected with the rear wall outer plate 20, and the rear end of the rear floor longitudinal beam 202 is supported in the support groove.

That is, the rear impact beam mounting plate 31 is connected to the rear wall outer panel 20 so that the energy-absorbing box assembly 30 can be fixed when the energy-absorbing box assembly 30 is mounted at the mounting opening, thereby enhancing the structural stability of the energy-absorbing box assembly 30, and as shown in fig. 8, the side beam connecting plate 32 and the connecting inner plate 33 are both connected between the rear impact beam mounting plate 31 and the rear floor side beam 202 so that the rear floor side beam 202 is fixed.

Further, as shown in fig. 3, the inner connection plate 33 is provided with at least one crush rib 331, and the crush rib 331 extends in the transverse direction.

Thus, the amount of deformation of the rear wall assembly 100 can be controlled by the crush ribs 331 when a rear end of the vehicle collides.

In some embodiments, as shown in fig. 10, an upper support flange 111 extending forward is provided at a lower side edge of the upper inner plate 11, a lower support flange 122 extending forward is provided at an upper side edge of the lower inner plate 12, and the upper support flange 111 is supported by the lower support flange 122 in a fitting manner.

That is, the upper support flange 111 is overlapped on the upper side of the upper support flange 111, and the upper support flange 111 is fixedly connected to the lower support flange 122, for example, the upper support flange 111 is welded to the lower support flange 122, thereby facilitating the fixed connection of the upper inner panel 11 and the lower inner panel 12.

Further, as shown in fig. 11, the upper surface of the upper support flange 111 is formed with a support surface for supporting the front end of the rear sill garnish 40 and/or the rear end of the trunk lid 50.

Thus, the front end of the rear rocker trim 40 and/or the rear end of the trunk lid 50 can overlap the upper surface of the upper support bead 111, in other words, after the trunk lid 50 covers the upper end of the storage compartment 400, the plane of the trunk lid 50 is in the same plane as the floor carpet 70 of the passenger compartment, so that the seat rail 60 of the rear row can be slidably adjusted rearward.

From this, enclose assembly 100 after and can compromise the space arrangement demand of back row seat sliding stroke demand and suitcase, reinforcing user's use experience.

The utility model provides a body construction 1000.

As shown in fig. 5-7 and 13, a vehicle body structure 1000 according to an embodiment of the present invention includes: the rear floor framework 200, the rear floor panel 300, the storage compartment 400 and the rear wall assembly 100 in any of the above embodiments.

Specifically, as shown in fig. 5 to 7, the rear floor panel 300 is supported above the rear floor frame 200, the rear floor frame 200 includes a rear floor cross member 201 and two rear floor longitudinal members 202, the rear floor cross member 201 is connected between the two rear floor longitudinal members 202, the storage compartment 400 is located behind the rear floor cross member 201 and the rear floor panel 300, and the storage compartment 400 is lower than the rear floor panel 300 in the vertical direction. The number of the mounting openings is two, and the rear ends of the two rear floor stringers 202 respectively penetrate through the energy absorption box assemblies 30 of the two mounting openings.

From this, through locating storage compartment 400 between individual back floor longeron 202 and be located the rear of back floor crossbeam 201, thereby make full use of the installation space between two back floor longerons 202, wherein, when actual installation, as shown in fig. 9 and 10, the front end of storage compartment 400 welds with the downside of back floor crossbeam 201, the left side and the right side of storage compartment 400 weld with the downside of two back floor longerons 202 respectively, and the front end of storage compartment 400 be equipped with turn-ups of turning over down and enclose the lower extreme welding of inner panel 10 after with, thereby be convenient for reduce the height of storage compartment 400, do benefit to reducing the degree of difficulty of arranging of rear wall assembly 100.

Further, rear floor panel 300 supports in rear floor skeleton 200's top, storing cabin 400 is located rear floor panel 300's below promptly, thereby can be under the circumstances of guaranteeing rear floor panel 300 to link up, provide down storing space through setting up storing cabin 400, satisfy present electricelectric, the charge motor of motorcycle types such as PHEV (plug-in hybrid electric vehicle), the demand of arranging of controller, and rear floor panel 300's through structure, the slip stroke of back row seat has been increased, do benefit to and have promoted the riding comfort.

Wherein, the storage compartment 400 is located behind the rear floor beam 201 and the rear floor panel 300, and in the vertical direction, the storage compartment 400 is lower than the rear floor panel 300.

From this, can enlarge the length of storage compartment 400 in the X space to enlarge storage compartment 400's volume, and do benefit to and enlarge rear floor panel 300 in the X support area in the space, simultaneously, because in vertical direction, storage compartment 400 is less than rear floor panel 300, make vehicle 1000 when taking place to collide with the back, safety parts such as storage compartment 400 and the storage compartment battery can remove in the below of rear floor panel 300, cause the extrusion to above-mentioned safety parts with seat guide rail 60 on avoiding rear floor panel 300 and rear floor panel 300, do benefit to the security that improves vehicle 1000.

According to the utility model discloses body structure 1000, enclose assembly 100 after it through set up the installing port on enclosing inner panel 10 after, and set up energy-absorbing box subassembly 30 in installing port department, floor longitudinal 202 passes through energy-absorbing box subassembly 30 and installs in installing port department after it to enclose the height of tang after can reducing, and can increase the cross-sectional cavity size of enclosing assembly 100 after, with the torsional rigidity who improves the automobile body, and simultaneously, energy-absorbing box subassembly 30 can be used for absorbing the collision energy, do benefit to the security performance that promotes whole car.

In some embodiments, as shown in fig. 12 and 13, storage compartment 400 includes: a storage compartment body 401 and a storage compartment support beam 402.

The rear end of the storage compartment supporting beam 402 is connected with the rear wall inner plate 10, the storage compartment body 401 is fixedly supported above the storage compartment supporting beam 402, the side edge of the storage compartment body 401 is connected with the rear floor longitudinal beam 202, and the front end of the storage compartment body 401 is connected with the rear floor cross beam 201.

For example, the front end of the storage compartment body 401 is provided with a first flange extending forward, the first flange is connected with the lower side of the rear floor beam 201 in a welding manner, the left side and the right side of the storage compartment body 401 are respectively provided with a second flange, the second flanges are respectively welded with the lower sides of the two rear floor beams 202, the front end of the storage compartment body 401 is provided with flanges turning downward and welded with the lower end of the rear wall inner plate 10, the storage compartment support beam 402 is located on the lower side of the storage compartment body 401, the storage compartment support beam 402 is provided with a vertical section and a horizontal section, the vertical section is used for welding with the lower side of the rear floor beam 201, the horizontal section extends backward along the front-back direction and is connected with the lower end of the rear wall inner plate 10, and the bottom surface of the storage compartment body 401 is abutted against the upper side of the horizontal section.

Thus, by providing the storage compartment support beam 402 to support the storage compartment body 401 by the storage compartment support beam 402, the structural stability of the storage compartment body 401 is enhanced.

In some embodiments, storage compartment 400 further comprises: a storage compartment connecting plate 403, the storage compartment connecting plate 403 is used for connecting the storage compartment body 401 with the rear floor panel 300.

For example, the front end of the storage compartment body 401 is configured as an arc structure, and at this time, if the storage compartment body 401 is directly connected to the rear floor beam 201, a hole may be formed between the storage compartment body 401 and the rear floor beam 201, and the utility model discloses in, through setting the storage compartment connecting plate 403, and the storage compartment connecting plate 403 is located at both ends of the front end of the storage compartment body 401, so as to be connected to the rear floor panel 300 through the storage compartment connecting plate 403, so as to block the hole through the storage compartment connecting plate 403, so as to enhance the sealing performance of the storage compartment 400.

Alternatively, the storage compartment connecting plate 403 may be omitted by configuring both ends of the front end of the storage compartment body 401 to have a right-angled structure.

The utility model provides a vehicle.

According to the utility model discloses vehicle, be provided with any one above-mentioned embodiment body structure 1000.

According to the utility model discloses the vehicle, enclose assembly 100 after its body structure 1000 through enclose the installing port on the inner panel 10 after, and locate to set up energy-absorbing box subassembly 30 in the installing port, floor longitudinal 202 installs in installing port department through energy-absorbing box subassembly 30 thereafter, thereby can reduce the height of enclosing the tang after, and can increase the cross-section cavity size of enclosing assembly 100 after, in order to improve the torsional rigidity of automobile body, and simultaneously, energy-absorbing box subassembly 30 can be used for absorbing the collision energy, do benefit to the security performance that promotes whole car.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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

Claims (10)

1. A rear wall assembly, comprising:

the rear wall inner plate is connected with the rear wall outer plate and limits an installation space, and the rear wall inner plate is provided with an installation opening;

the energy-absorbing box subassembly, the energy-absorbing box subassembly install in installing port department and at least part extend in the installation space, the energy-absorbing box subassembly is formed with open energy-absorbing chamber forward, the energy-absorbing chamber is used for wearing to establish fixed back floor longeron.

2. The back wall assembly according to claim 1, wherein the back wall inner plate comprises an upper inner plate and a lower inner plate, an upper side edge of the lower inner plate is formed with a mounting groove which is recessed downwards, the upper inner plate is connected to an upper side of the lower inner plate and defines the mounting opening at the mounting groove, and the energy-absorbing box assembly is supported at the mounting groove.

3. The rear wall assembly of claim 2, wherein the number of the mounting grooves is two, and the two mounting grooves are spaced apart from each other along the length direction of the lower inner plate, and the upper inner plate is mounted on the upper sides of the two mounting grooves to define two mounting openings with the lower inner plate.

4. The rear wall assembly of claim 2, wherein the energy absorption box assembly comprises a rear anti-collision beam mounting plate, a longitudinal beam connecting plate and an inner connecting plate, the longitudinal beam connecting plate is supported and mounted at the mounting groove, the longitudinal beam connecting plate forms a support groove which is open upwards, the inner connecting plate is shielded and mounted on the upper side of the support groove, the rear anti-collision beam mounting plate is connected to the rear side of the longitudinal beam connecting plate and connected with the rear wall outer plate, and the rear end of the rear floor longitudinal beam is supported in the support groove.

5. The rear wall assembly of claim 4, wherein the inner connector panel is provided with at least one crush rib extending in a lateral direction.

6. The rear wall assembly of claim 2, wherein an upper support flange extending forward is arranged at the lower side edge of the upper inner plate, a lower support flange extending forward is arranged at the upper side edge of the lower inner plate, and the upper support flange is attached to and supported by the lower support flange.

7. The tailgate assembly according to claim 6, wherein the upper support flange has a support surface formed on an upper surface thereof for supporting a front end of a rear door sill trim panel and/or a rear end of a trunk lid panel.

8. A vehicle body structure characterized by comprising: the rear wall assembly of any one of claims 1-7, wherein the rear floor panel is supported above the rear floor framework, the rear floor framework comprises a rear floor cross beam and two rear floor longitudinal beams, the rear floor cross beam is connected between the two rear floor longitudinal beams, the storage compartment is located behind the rear floor cross beam and the rear floor panel, and the storage compartment is lower than the rear floor panel in the vertical direction;

the rear ends of the two rear floor longitudinal beams respectively penetrate through the energy absorption box assemblies of the two mounting openings.

9. The vehicle body structure of claim 8, wherein the storage compartment comprises a storage compartment body and a storage compartment support beam, the rear end of the storage compartment support beam is connected with the rear wall inner plate, the storage compartment body is fixedly supported above the storage compartment support beam, the side edge of the storage compartment body is connected with the rear floor longitudinal beam, and the front end of the storage compartment body is connected with the rear floor cross beam.

10. A vehicle, characterized in that a body structure according to any one of claims 8-9 is provided.

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