CN219838618U - Vehicle body structure and vehicle - Google Patents

Abstract

The embodiment of the utility model provides a vehicle body structure and a vehicle, wherein the vehicle body structure comprises a rear longitudinal beam; the mounting seat is connected with the rear longitudinal beam, and at least part of the mounting seat is arranged on one side, far away from the passenger cabin, of the rear longitudinal beam; the mounting seat is suitable for being connected with the rear auxiliary frame so as to ensure the mounting stability and the connection strength of the rear auxiliary frame under the condition that the mounting point of the rear auxiliary frame exceeds the outer side of the rear longitudinal beam of the vehicle body.

Description

Vehicle body structure and vehicle

Technical Field

The utility model belongs to the technical field of vehicle body structures, and particularly relates to a vehicle body structure and a vehicle.

Background

In the prior art, the shock absorber and the springs of the vehicle occupy larger space in the structure, occupy the installation space of the auxiliary frame, bring difficulty to the installation of the rear auxiliary frame on the longitudinal beam, and reduce the installation stability of the rear auxiliary frame.

Disclosure of Invention

It is an object of the present utility model to provide a new solution for a vehicle body structure and a vehicle.

According to a first aspect of the present utility model, there is provided a vehicle body structure comprising:

a rear side member;

the mounting seat is connected with the rear longitudinal beam, and at least part of the mounting seat is arranged on one side, far away from the passenger cabin, of the rear longitudinal beam;

wherein, the mount pad is applicable to and is connected with back sub vehicle frame.

Optionally, the rear side member includes a first side member and a second side member disposed at intervals in a vehicle width direction;

the mounting seats comprise a first mounting seat and a second mounting seat, at least part of the first mounting seat is arranged on one side of the first longitudinal beam far away from the second longitudinal beam, and at least part of the second mounting seat is arranged on one side of the second longitudinal beam far away from the first longitudinal beam;

the two ends of the supporting beam are respectively connected to the first mounting seat and the second mounting seat.

Optionally, at least part of the support cross member is disposed between the rear side member and the mount in the vehicle height direction.

Optionally, the first mounting seat is provided with a first mounting wall and a second mounting wall, the first mounting wall is connected with the bottom surface of one end of the supporting cross beam, and the second mounting wall is connected with one side, away from the second longitudinal beam, of the first longitudinal beam.

Optionally, the device further comprises an inclined strut, wherein the inclined strut comprises a left inclined strut and a right inclined strut;

the left diagonal bracing beam is obliquely connected between the first longitudinal beam and the supporting cross beam, and the right diagonal bracing beam is obliquely connected between the second longitudinal beam and the supporting cross beam.

Optionally, a through hole extending along the height direction of the vehicle is formed in the mounting seat, and a mounting sleeve is arranged in the through hole and fixedly connected with the mounting seat;

wherein, the installation sleeve is applicable to and is connected with the back sub vehicle frame.

Optionally, the mounting sleeve is disposed on a side of the rear rail remote from the vehicle passenger compartment.

Optionally, the mounting seat comprises a first reinforcing rib, a second reinforcing rib and a third reinforcing rib, the first reinforcing rib is connected to the first mounting wall, the second reinforcing rib is connected to the second mounting wall, and the through hole is formed in the third reinforcing rib;

the first reinforcing ribs, the second reinforcing ribs and the first mounting walls are connected with each other to form a plurality of first cavities, the second reinforcing ribs, the third reinforcing ribs and the second mounting walls are connected with each other to form a plurality of second cavities, and the first cavities and the second cavities extend along the front-rear direction of the vehicle.

Optionally, the mounting base includes a mounting table, and the through hole penetrates through the mounting table.

Optionally, in the vehicle height direction, one end of the first reinforcing rib is connected with one end of the mounting table close to the rear longitudinal beam, and the other end of the first reinforcing rib is connected with the first mounting wall;

one end of the second reinforcing rib is connected with one end, close to the rear longitudinal beam, of the mounting table, and the other end of the second reinforcing rib is connected with the second mounting wall;

one end of the third reinforcing rib is connected with one side, far away from the rear longitudinal beam, of the mounting table, and the other end of the third reinforcing rib is connected with the second mounting wall.

Optionally, the device further comprises a first connecting piece and a second connecting piece, wherein the first connecting piece is connected with the first mounting wall, the supporting cross beam and the rear longitudinal beam, and the second mounting wall is connected with the rear longitudinal beam through the second connecting piece.

Optionally, a unthreaded hole sleeve is arranged in the supporting cross beam, and the first connecting piece passes through the unthreaded hole sleeve and is connected with the rear longitudinal beam.

Optionally, the cross section of the rear longitudinal beam is in a Chinese character 'ri', and the cross sections of the supporting cross beam and the diagonal bracing beam are both polygonal structures.

According to a second aspect of the present utility model, there is provided a vehicle comprising the vehicle body structure of the first aspect.

The utility model has the technical effects that:

the embodiment of the utility model provides a vehicle body structure, which comprises a rear longitudinal beam; the mounting seat is connected with the rear longitudinal beam, and at least part of the mounting seat is arranged on one side, far away from the passenger cabin, of the rear longitudinal beam; the mounting seat is suitable for being connected with the rear auxiliary frame so as to ensure the mounting stability and the connection strength of the rear auxiliary frame under the condition that the mounting point of the rear auxiliary frame exceeds the outer side of the rear longitudinal beam of the vehicle body.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which 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 principles of the utility model.

FIG. 1 is a schematic illustration of a portion of a vehicle body structure according to an embodiment of the present utility model;

FIG. 2 is a rear view of a vehicle body structure provided in an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of a vehicle body structure provided in an embodiment of the present utility model;

fig. 4 is a force transmission schematic diagram of a vehicle body structure according to an embodiment of the present utility model.

Wherein:

411. a first stringer; 411', a second stringer; 464. a support beam; 465. a left diagonal bracing beam; 465', right diagonal bracing; 466. a mounting base; 467. a mounting sleeve; 468. an annular end plate; 469. a unthreaded hole sleeve; 470. a rear subframe; h3, through holes; r1, a first reinforcing rib; r2, second reinforcing ribs; r3 and a third reinforcing rib; b1, a first connecting piece; b2, a second connecting piece.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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 will be understood in specific cases by those of ordinary skill in the art.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Referring to fig. 1, an embodiment of the present utility model provides a vehicle body structure including:

a rear side member;

the mounting seat 466 is connected with the rear longitudinal beam, and at least part of the mounting seat 466 is arranged on one side of the rear longitudinal beam away from the passenger cabin;

wherein the mount 466 is adapted for connection with a rear subframe 470.

In particular, the placement of at least a portion of the mount 466 on the side of the rear rail remote from the passenger compartment may be understood as having at least a portion of the mount 466 located outboard of the rear rail; the bottom of the mount 466 is provided with a rear subframe mounting point, and the rear subframe 470 may be connected to the bottom of the mount 466 by a mounting sleeve 467.

Specifically, the vehicle to which the vehicle body structure is applied has a longitudinal direction, a width direction, and a height direction, and specifically, the longitudinal direction of the vehicle may be an X direction in the drawing, the width direction of the vehicle may be a Y direction in the drawing, and the height direction of the vehicle may be a Z direction in the drawing. Since at least part of the mount 466 is located outside the rear side member in the width direction of the vehicle, the mount 466 can ensure the mounting stability and the connection strength of the rear sub frame 470 in the case where the rear sub frame mounting point exceeds the outside of the rear side member of the vehicle body.

It is noted that the above-described mount 466 illustrates a left mount on the left side of the vehicle body structure, and the right side of the vehicle body structure also has a right mount symmetrical to the left mount due to the bilateral symmetry of the vehicle body structure. And on the basis of the symmetry of the vehicle body structure shown in the drawings, the parts which are not distinguished from left and right but have the left and right symmetrical structures in the specification still belong to the protection scope of the utility model.

The vehicle body structure provided by the embodiment of the utility model comprises a rear longitudinal beam; the mounting seat 466 is connected with the rear longitudinal beam, and at least part of the mounting seat 466 is arranged on one side of the rear longitudinal beam away from the passenger cabin; wherein, the mount 466 is adapted to be connected with the rear subframe 470 to ensure the mounting stability and the connection strength of the rear subframe 470 in the case that the mounting point of the rear subframe exceeds the outer side of the rear side member of the vehicle body.

Optionally, at least part of the support cross member 464 is disposed between the rear side member and the mount 466 in the vehicle height direction.

Specifically, since the two ends of the supporting beam 464 are respectively connected to the first mounting seat and the second mounting seat, in the case that at least part of the supporting beam 464 is disposed between the rear longitudinal beam and the mounting seat 466, connection and positioning of the mounting seat 466 can be provided together by the supporting beam 464 and the rear longitudinal beam, so that the setting stability of the mounting seat 466 is ensured.

In one embodiment, one end of the support beam 464 is disposed between the first longitudinal beam and the first mount, and the other end of the support beam 464 is disposed between the second longitudinal beam and the second mount.

Alternatively, the rear side member includes a first side member 411 and a second side member 411' that are disposed at intervals in the vehicle width direction;

referring to fig. 2, the mounting base 466 includes a first mounting base 4661 and a second mounting base 4662, at least a portion of the first mounting base 4661 is disposed on a side of the first longitudinal beam away from the second longitudinal beam, and at least a portion of the second mounting base 4662 is disposed on a side of the second longitudinal beam away from the first longitudinal beam;

a support beam 464, both ends of the support beam 464 are connected to the first mount 4661 and the second mount 4662, respectively.

Specifically, the first longitudinal beam 411 may be a left rear longitudinal beam of the vehicle body structure, and the second longitudinal beam 411' may be a right rear longitudinal beam of the vehicle body structure; the first mounting seat may be a left mounting seat of the vehicle body structure, and the second mounting seat may be a right mounting seat of the vehicle body structure, and the first mounting seat and the second mounting seat are respectively and correspondingly connected to the first longitudinal beam 411 and the second longitudinal beam 411'.

And both ends of the supporting cross member 464 are respectively connected to the first longitudinal beam 411 and the second longitudinal beam 411' through the first mounting seat and the second mounting seat, so that a transverse and longitudinal force transmission structure is formed on the vehicle body structure through the rear longitudinal beam and the supporting cross member 464, and the force transmission stability of the vehicle body structure is improved.

Optionally, the first mounting seat 4661 has a first mounting wall 46611 and a second mounting wall 46612, the first mounting wall 46611 is connected to a bottom surface of one end of the support beam 464, and the second mounting wall 46612 is connected to a side of the first longitudinal beam remote from the second longitudinal beam, so that the first mounting seat forms a semi-enclosed structure with the first longitudinal beam and one end of the support beam 464.

Specifically, referring to fig. 1, the vertical surface formed by the second mounting wall of the first mounting seat is abutted against the outer vertical surface 411c of the first longitudinal beam 411, and the horizontal surface formed by the first mounting wall is abutted against the lower bottom surface 464b at one end of the supporting cross member 464, as shown in fig. 3. In the vehicle body structure provided by the embodiment of the utility model, under the condition that the shock absorber and air spring integrated structure is adopted, the installation performance of the rear auxiliary frame 470 can still be ensured under the condition that the installation point of the rear auxiliary frame exceeds the outer side of the rear longitudinal beam of the vehicle body, and the installation requirement of the rear auxiliary frame 470 and the requirement of structural strength and dynamic stiffness are met.

In addition, the second mount may have a symmetrical structure and connection relationship with the first mount such that the second mount forms a semi-enclosed structure to the second stringer and the other end of the support beam 464.

Optionally, referring to fig. 1 and 2, the vehicle body structure further includes a diagonal strut, one end of which is connected to the rear side member, and the other end of which is connected to the support cross member 464, so as to form a triangular support structure among the rear side member, the diagonal strut and the support cross member 464, thereby improving structural stability of the vehicle body structure.

Specifically, referring to fig. 2, the rear side member includes a first side member 411 and a second side member 411', and the diagonal members include a left diagonal member 465 and a right diagonal member 465';

the first longitudinal beam 411 and the second longitudinal beam 411' are respectively connected to two ends of the supporting cross beam 464, the left diagonal beam 465 is obliquely connected between the first longitudinal beam 411 and the supporting cross beam 464, and the right diagonal beam 465' is obliquely connected between the second longitudinal beam 411' and the supporting cross beam 464.

In one embodiment, the first longitudinal beam 411 and the second longitudinal beam 411' are symmetrically arranged on the supporting cross beam 464 in a plane of y=0, the upper surface 464a of the left end of the supporting cross beam 464 is in close contact with the lower surface 411a of the first longitudinal beam 411, and the supporting cross beam 464 and the first longitudinal beam 411 are welded and fixed by using aluminum welding; meanwhile, the upper surface 464a of the right end of the support cross member 464 is in close contact with the lower surface 411a ' of the second longitudinal member 411', and the support cross member 464 and the second longitudinal member 411' are welded and fixed by aluminum welding.

The left diagonal beam 465 is welded at one end to the inner side wall 411b of the first longitudinal beam 411 and at the other end to the upper surface 464a of the support cross beam 464, and the first longitudinal beam 411, the support cross beam 464 and the left diagonal beam 465 form a stable triangular structure; meanwhile, the right diagonal member 465' is welded at one end to the inner sidewall 411b ' of the second longitudinal member 411' and at the other end to the upper surface 464a of the support cross member 464, and the second longitudinal member 411', the support cross member 464 and the right diagonal member 465' form a stable triangle structure, improving stability, strength and dynamic stiffness of the subframe mounting structure.

Alternatively, referring to fig. 2, the left diagonal strut 465 and the right diagonal strut 465' are symmetrically disposed.

Specifically, the two symmetrically arranged left diagonal beams 465 and right diagonal beams 465' make the triangular structure formed by the first longitudinal beam 411, the support cross beam 464 and the left diagonal beams 465 and the triangular structure formed by the second longitudinal beam 411', the support cross beam 464 and the right diagonal beams 465' symmetrical to each other, thereby further improving the stability of the vehicle body structure.

Alternatively, referring to fig. 3, the mounting seat 466 is provided with a through hole H3 extending in the vehicle height direction, and the mounting sleeve 467 is disposed in the through hole H3 and fixedly connected with the mounting seat 466;

wherein the mounting sleeve 467 is adapted for connection with a rear subframe 470.

Specifically, the through hole H3 may be connected to the annular end plate 468 by welding, and a center of the annular end plate 468 is perforated, so that the annular end plate 468 may be welded to fix the mounting sleeve 467.

Referring to fig. 3, the through hole H3 sequentially penetrates through the reinforcing ribs of the three layers of mounting seats 466 from top to bottom, the through hole H3 is formed in the inclined surface at the uppermost side of the mounting seat 466, the mounting sleeve 467 with internal threads sequentially penetrates through the three holes of the through hole H3, the lower flange face 467b of the mounting sleeve 467 is welded to the lower bottom surface of the mounting seat 466, and the outer side wall 467a of the mounting sleeve 467 is welded to the annular end plate 468, so as to ensure the connection strength and verticality of the mounting sleeve 467.

Optionally, the mounting sleeve 467 is disposed on a side of the rear rail remote from the vehicle passenger compartment.

In particular, since the mounting sleeve 467 is adapted to be connected to the rear subframe 470, stability of the rear subframe 470 connection to the outside of the rear side member can be ensured when the mounting sleeve 467 is disposed on the side of the rear side member remote from the vehicle passenger compartment.

Optionally, referring to fig. 3, the bottom of the mounting sleeve 467 has a threaded hole to which the rear subframe 470 is bolted.

Specifically, the mounting sleeve 467 of the rear subframe is welded at the through hole H3 of the mounting seat 466 of the rear subframe, and a screw thread is provided at the center of the mounting sleeve 467, and when the rear subframe 470 is mounted, the upper top surface 470a of the rear subframe 470 is tightly attached to the lower bottom surface 467b of the mounting sleeve 467, and is fastened to the mounting sleeve 467 after passing through the rear subframe 470 by bolts, so as to ensure the mounting stability of the rear subframe 470.

Because the mounting point of the rear subframe 470 is not opposite to the center of the rear longitudinal beam, but the mounting point of the rear subframe 470 and the center of the rear longitudinal beam are offset by a certain distance in the Y direction, a Y-up moment arm exists between the stress point of the rear subframe 470 and the rear longitudinal beam, and the mounting seat 466 has a semi-surrounding structure of the rear longitudinal beam and the supporting cross beam 464, so that the mounting stability of the rear subframe 470 can be ensured under the condition that the mounting point of the rear subframe exceeds the outer side of the rear longitudinal beam of the vehicle body.

Alternatively, referring to fig. 4, the mounting base 466 includes a first reinforcing rib R1, a second reinforcing rib R2, and a third reinforcing rib R3, the first reinforcing rib R1 is connected to the first mounting wall 46611, the second reinforcing rib R2 is connected to the second mounting wall 46612, and the third reinforcing rib R3 is provided with the through hole H3;

the first reinforcing ribs R1, the second reinforcing ribs R2 and the first mounting wall are connected with each other to form a plurality of first cavities, the second reinforcing ribs R2, the third reinforcing ribs R3 and the second mounting wall are connected with each other to form a plurality of second cavities, and the first cavities and the second cavities extend along the front-rear direction of the vehicle.

Specifically, in the mounting seat 466, one ends of the first reinforcing rib R1, the second reinforcing rib R2 and the third reinforcing rib R3 are integrated together, and the other ends are respectively connected to the first mounting wall, the bottom end of the second mounting wall and the top end of the second mounting wall.

Under the condition that the vehicle applied by the vehicle body structure is in the driving process, the rear auxiliary frame 470 can bear direct impact C1 from the ground, the rear auxiliary frame 470 transmits the impact to the mounting seat 466, the impact is continuously transmitted and dispersed along the first reinforcing rib R1, the second reinforcing rib R2 and the third reinforcing rib R3 of the mounting seat 466, three force transmission paths R1, R2 and R3 shown in fig. 4 are formed, the mounting seat 466 can prevent stress concentration in the mounting seat 466 due to the dispersion of the impact force, the influence of overlarge impact load on the driving smoothness of the vehicle is reduced, and the driving experience and the driving safety of passengers are ensured.

Referring to fig. 4, a center line H1 is a center line of the first longitudinal beam 411, and a side line H2 is a side line flush with an outer side surface of the first longitudinal beam 411, and as can be seen from fig. 4, the rear subframe mounting point and the center line H1 have a moment arm L1 in a Y direction, and the side line H2 has a moment arm L2 in a Y direction. According to the embodiment of the utility model, the mounting seat 466 is connected to the first longitudinal beam 411 and the supporting cross beam 464 simultaneously by using the mounting seat 466 extruded by aluminum in a threaded manner, so that the lateral support of the vehicle body structure is increased, and the mounting requirement of the rear auxiliary frame 470 and the structural strength and rigidity requirement are still met under the condition that the mounting point of the rear auxiliary frame greatly exceeds the outer side of the vehicle body longitudinal beam, namely the use requirement of the vehicle is met.

In addition, when the first cavity and the second cavity extend along the front-rear direction of the vehicle, the buffer can be provided for the collision space of the vehicle body structure in the length direction in the back collision process of the vehicle body structure so as to protect the structural integrity of the passenger cabin and the safety of passengers.

Alternatively, referring to fig. 4, the mounting base 466 includes a mounting stand R4, and the through hole H3 penetrates the mounting stand R4.

Specifically, the mounting table R4 is located at the bottom of the mounting seat 466 and may be disposed along the X-Y plane of the vehicle body structure, and the through hole H3 penetrates through the mounting table R4, so that the mounting sleeve 467 penetrates through the through hole H3 and is fixedly connected with the mounting seat 466.

Meanwhile, the mounting table R4 may be a base table of the mounting seat 466 to jointly connect the first reinforcing rib R1, the second reinforcing rib R2 and the third reinforcing rib R3, so as to improve the structural compactness of the mounting seat 466.

In one embodiment, referring to fig. 4, in the vehicle height direction, one end of the first reinforcing rib R1 is connected to one end of the mount table R4 near the rear side member, and the other end of the first reinforcing rib R1 is connected to the first mount wall;

one end of the second reinforcing rib R2 is connected with one end, close to the rear longitudinal beam, of the mounting table R4, and the other end of the second reinforcing rib R2 is connected with the second mounting wall;

one end of the third reinforcing rib R3 is connected with one side, far away from the rear longitudinal beam, of the mounting table R4, and the other end of the third reinforcing rib R3 is connected with the second mounting wall. That is, the mounting table R4 gathers the connection of the first reinforcing rib R1, the second reinforcing rib R2 and the third reinforcing rib R3, so as to ensure the structural stability of the mounting seat 466.

Optionally, referring to fig. 3, the vehicle body structure further includes a first connector B1 and a second connector B2, the first connector B1 connects the first mounting wall, the support cross member 464, and the rear side member, and the second mounting wall is connected to the rear side member through the second connector B2.

Specifically, the end of the bottom surface 464B of the support beam 464 is closely attached to the first mounting wall of the mounting seat 466, the lower surface 411a of the first longitudinal beam 411 is provided with an opening H1, and the first connector B1 sequentially penetrates the lower surface 411a of the first longitudinal beam 411, the upper surface 464a of the support beam 464, the support beam 464 body, the bottom surface 464B of the support beam 464, and the first mounting wall of the mounting seat 466. And after the first longitudinal beam 411 is perforated with the hole H1, an internally threaded fastener J1 is welded at the hole H1 to ensure the connection stability between the mounting seat 466 and the supporting cross member 464 in the condition that the first connecting member B1 is screwed with the fastener J1.

Specifically, the second mounting wall of the mount 466 is perforated with a hole H2, the hole H2 extending in the Y-direction through the second mounting wall and the outer vertical surface 411c of the rear side member, and the inner side of the cavity perforated with the outer vertical surface 411c of the rear side member is welded with a fastener J2 with internal threads. The front end thread of the first connecting piece B1 is in threaded connection with the fastener J2, and the flange surface of the bolt head at the rear end of the first connecting piece B1 is tightly attached to the reinforcing rib of the second mounting wall, so that the connection stability of the mounting seat 466 and the rear longitudinal beam is ensured.

Optionally, referring to fig. 3, a hole sleeve 469 is disposed in the support beam 464, and the first connection member B1 passes through the hole sleeve 469 and is connected to the rear side member.

Specifically, the unthreaded hole sleeve 469 is welded between the cavity formed by the upper surface 464a and the lower bottom surface 464B of the supporting beam 464, the first connecting piece B1 sequentially passes through the lower bottom surface 464B, the unthreaded hole sleeve 469 and the upper surface 464a of the supporting beam 464 from bottom to top, the upper end of the first connecting piece B1 is screwed with the fastener J1 on the rear longitudinal beam, and the flange surface of the bolt head at the lower end of the first connecting piece B1 is tightly attached to the reinforcing rib of the first mounting wall, so as to improve the structural strength of the supporting beam 464 and ensure the structural integrity of the supporting beam 464.

Optionally, the cross section of the rear longitudinal beam is in a Chinese character 'ri', and the cross sections of the supporting cross beam 464 and the diagonal bracing beam are both polygonal structures.

Specifically, the rear longitudinal beam may be an aluminum rear longitudinal beam extruded by an aluminum extrusion process, the rear longitudinal beam is rectangular with a closed structure, and the cross section of the rear longitudinal beam is in a Chinese character 'ri' shape, so that the forming process of the rear longitudinal beam is simplified on the basis of ensuring the structural strength of the rear longitudinal beam.

Further, the first longitudinal beam 411, the second longitudinal beam, the supporting cross beam 464, the left diagonal beam 465 and the right diagonal beam may be aluminum profile pieces with closed cross sections, and the first longitudinal beam 411, the second longitudinal beam, the supporting cross beam 464, the left diagonal beam 465 and the right diagonal beam are extruded and formed by using an aluminum extrusion process, wherein the first longitudinal beam 411 and the second longitudinal beam are in a shape of Chinese character 'ri', and the supporting cross beam 464, the left diagonal beam 465 and the right diagonal beam are in a shape of Chinese character 'kou'.

The embodiment of the utility model provides a vehicle, which comprises the vehicle body structure.

Specifically, in a body structure of the vehicle, the body structure includes a rear side member; the mounting seat 466 is connected with the rear longitudinal beam, and at least part of the mounting seat 466 is arranged on one side of the rear longitudinal beam away from the passenger cabin; wherein, the mount 466 is applicable to be connected with the rear subframe 470 to under the circumstances that rear subframe mounting point surpasses the rear longeron outside of automobile body, guarantee rear subframe 470's installation stability and joint strength, improve the formation stability and the security of vehicle.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (14)

1. A vehicle body structure, characterized by comprising:

a rear side member;

the mounting seat (466) is connected with the rear longitudinal beam, and at least part of the mounting seat (466) is arranged on one side, far away from the passenger cabin, of the rear longitudinal beam;

wherein the mounting base (466) is adapted to be coupled to a rear subframe (470).

2. The vehicle body structure according to claim 1, wherein the rear side member includes a first side member (411) and a second side member (411') that are disposed at intervals in a vehicle width direction;

the mounting seat (466) comprises a first mounting seat (4661) and a second mounting seat (4662), at least part of the first mounting seat (4661) is arranged on one side of the first longitudinal beam away from the second longitudinal beam, and at least part of the second mounting seat (4662) is arranged on one side of the second longitudinal beam away from the first longitudinal beam;

-a support beam (464), both ends of the support beam (464) being connected to the first mount (4661) and the second mount (4662), respectively.

3. The vehicle body structure according to claim 2, characterized in that at least part of the support cross member (464) is disposed between the rear side member and the mount (466) in the vehicle height direction.

4. A vehicle body structure according to claim 3, wherein the first mounting seat (4661) has a first mounting wall (46611) and a second mounting wall (46612), the first mounting wall (46611) being connected to a bottom surface of one end of the support cross member (464), and the second mounting wall (46612) being connected to a side of the first side member remote from the second side member.

5. The vehicle body structure of claim 2, further comprising a diagonal strut, the diagonal strut comprising a left diagonal strut (465) and a right diagonal strut (465');

the left diagonal bracing beam (465) is obliquely connected between the first longitudinal beam (411) and the supporting cross beam (464), and the right diagonal bracing beam (465 ') is obliquely connected between the second longitudinal beam (411') and the supporting cross beam (464).

6. The vehicle body structure according to any one of claims 1 to 5, wherein the mount (466) is provided with a through hole (H3) extending in a vehicle height direction, and a mount sleeve (467) is provided in the through hole (H3) and fixedly connected with the mount (466);

wherein the mounting sleeve (467) is adapted to be coupled to a rear subframe (470).

7. The vehicle body structure according to claim 6, characterized in that the mounting sleeve (467) is provided on a side of the rear side member remote from a passenger compartment of the vehicle.

8. The vehicle body structure according to claim 6, characterized in that the mount (466) includes a first reinforcing rib (R1), a second reinforcing rib (R2), and a third reinforcing rib (R3), the first reinforcing rib (R1) being connected to a first mounting wall (46611), the second reinforcing rib (R2) being connected to a second mounting wall (46612), the third reinforcing rib (R3) being provided with the through hole (H3);

the first reinforcing ribs (R1), the second reinforcing ribs (R2) and the first mounting walls are connected with each other to form a plurality of first cavities, the second reinforcing ribs (R2), the third reinforcing ribs (R3) and the second mounting walls are connected with each other to form a plurality of second cavities, and the first cavities and the second cavities extend along the front-rear direction of the vehicle.

9. The vehicle body structure according to claim 8, characterized in that the mount (466) includes a mount (R4), and the through hole (H3) penetrates the mount (R4).

10. The vehicle body structure according to claim 9, wherein, in a vehicle height direction, one end of the first reinforcing rib (R1) is connected to one end of the mount table (R4) near the rear side member, and the other end of the first reinforcing rib (R1) is connected to the first mount wall;

one end of the second reinforcing rib (R2) is connected with one end, close to the rear longitudinal beam, of the mounting table (R4), and the other end of the second reinforcing rib (R2) is connected with the second mounting wall;

one end of the third reinforcing rib (R3) is connected with one side, far away from the rear longitudinal beam, of the mounting table (R4), and the other end of the third reinforcing rib (R3) is connected with the second mounting wall.

11. The vehicle body structure according to claim 4, further comprising a first connecting member (B1) and a second connecting member (B2), the first connecting member (B1) connecting the first mounting wall, the support cross member (464), and the rear side member, the second mounting wall being connected with the rear side member by the second connecting member (B2).

12. The vehicle body structure according to claim 11, characterized in that a hole sleeve (469) is provided in the support cross member (464), and the first connecting member (B1) passes through the hole sleeve (469) and is connected to the rear side member.

13. The vehicle body structure according to claim 5, wherein the rear side member has a cross section in a zigzag shape, and the cross sections of the support cross member (464) and the diagonal brace are each in a polygonal structure.

14. A vehicle comprising the vehicle body structure of any one of claims 1-13.