CN210161867U

CN210161867U - Installation component, body structure and vehicle of vehicle torsion beam trailing arm

Info

Publication number: CN210161867U
Application number: CN201920958854.9U
Authority: CN
Inventors: 马东辉; 李壮
Original assignee: Beijing CHJ Automotive Information Technology Co Ltd
Current assignee: Beijing CHJ Automotive Information Technology Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-03-20
Anticipated expiration: 2029-06-25

Abstract

The utility model relates to a mounting assembly, a vehicle body structure and a vehicle of a vehicle torsion beam towing arm, which relate to the technical field of vehicle manufacturing and solve the problems that the rear shaft support at the existing torsion beam is generally assembled with the torsion beam, the casting cost is high, the precision of the mounting point is low, and the strength of the vehicle body is reduced; the main technical scheme adopted is as follows: the mounting assembly of the trailing arm of the torsion beam of the vehicle comprises a rear shaft support and a side support, wherein the rear shaft support is provided with a containing space for containing a rear shaft of the trailing arm; the side supporting piece is arranged at the left side or the right side of the rear shaft support, is connected with the rear shaft support and extends towards the direction far away from the rear shaft support; the utility model reduces the casting cost by arranging the rear axle bracket independently, and improves the assembly flexibility and the installation precision; meanwhile, the side supporting pieces are arranged on the rear shaft support to establish a connection relation between the whole assembly and the middle cross beam, and the strength of the whole vehicle structure is guaranteed.

Description

Installation component, body structure and vehicle of vehicle torsion beam trailing arm

Technical Field

The utility model relates to a vehicle manufacturing technical field especially relates to a vehicle torsion beam drags installation component, body construction and vehicle of arm.

Background

The torsion beam is a beam body which is hung at the rear axle of the vehicle and used for balancing the left wheel and the right wheel of the torsion beam, and the shaking of the vehicle is reduced when the left wheel and the right wheel jump up and down, so that the stability of the vehicle is kept.

The rear axle support of the existing torsion beam is generally assembled with the torsion beam and is integrated, and the rear axle support is integrally connected to positions such as a vehicle body longitudinal beam through bolts.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a vehicle torsion beam drags installation component, body construction and vehicle of arm, main aim at solve the rear axle support of current torsion beam department generally with the torsion beam assembly together, the foundry goods is with high costs, the mounting point precision is low, and the problem that automobile body intensity reduces.

In order to achieve the above object, the utility model mainly provides the following technical scheme:

in one aspect, an embodiment of the utility model provides a mounting assembly of vehicle torsion beam trailing arm, it includes:

a rear axle bracket having an accommodating space for accommodating a rear axle of the trailing arm;

a side support connected to the rear axle bracket at a left side or a right side of the rear axle bracket and extending in a direction away from the rear axle bracket.

The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.

Optionally, the mounting assembly of the trailing arm of the torsion beam of the vehicle further includes a front support;

the front support is connected to the rear axle bracket at a front side of the rear axle bracket and extends in a direction away from the rear axle bracket.

Optionally, in the mounting assembly of a trailing arm of a torsion beam for a vehicle, the front support includes a first support plate, a first end of the first support plate is provided with a first connecting portion for connecting to the rear axle bracket, a second end of the first support plate extends away from the rear axle bracket, and a second end of the first support plate is provided with a second connecting portion for connecting to a rear longitudinal beam of the vehicle.

Optionally, the mounting assembly of the trailing arm of the torsion beam of the vehicle further includes a reinforcing plate;

the reinforcing plate is disposed on the side of the rear shaft support opposite to the side supports, and the reinforcing plate extends in the direction of the front support.

Optionally, in the mounting assembly of the trailing arm of the torsion beam for a vehicle, a first end of the reinforcing plate is fitted to and disposed outside a left side wall or a right side wall of the rear axle bracket, a second end of the reinforcing plate is fitted to the first support plate, and a third flange for partially covering the first support plate is disposed at the second end of the reinforcing plate.

Optionally, in the mounting assembly of the trailing arm of the torsion beam for a vehicle, the first end of the reinforcing plate is provided with a bent portion, and the bent portion is bent toward the inside of the left side wall or the right side wall.

Optionally, the aforementioned mounting assembly for a trailing arm of a torsion beam of a vehicle further includes a rocker connector:

the threshold connecting piece is a strip-shaped connecting plate and is connected to the upper side of the rear shaft support.

Optionally, in the foregoing mounting assembly for a trailing arm of a torsion beam of a vehicle, the side support includes at least a first side wall and a second side wall;

the first side wall is arranged on the outer side of the left side wall or the right side of the rear shaft support, and at least part of the first side wall is connected with the left side wall or the right side wall of the rear shaft support;

the second side wall is connected to a bottom edge of the first side wall and extends in a direction away from the rear axle bracket.

Optionally, the side support further comprises a third side wall and a fourth side wall;

the third side wall and the fourth side wall are arranged oppositely and both connected to the adjacent edges of the first side wall and the second side wall.

Optionally, in the mounting assembly of the trailing arm of the torsion beam for a vehicle, the rear axle bracket is provided with an avoidance notch, which has the same shape and corresponds to each other and is used for adapting to a cross beam of the vehicle, at the lower parts of a fifth side wall connected with the first side wall and a sixth side wall opposite to the fifth side wall; and a fourth connecting part used for connecting the threshold connecting part is arranged at the upper end of a seventh side wall arranged between the fifth side wall and the sixth side wall.

On the other hand, the embodiment of the utility model provides a vehicle body structure, it includes:

the mounting assemblies comprise a cross beam, a rear longitudinal beam, a middle cross beam, a threshold and a vehicle torsion beam towing arm;

the rear longitudinal beam is arranged along the length direction of the vehicle body, the cross beam and the middle cross beam are respectively arranged at the outer side and the inner side of the vehicle body and are perpendicular to the rear longitudinal beam, the suspension end of the cross beam is connected with the doorsill, the lower end of a rear shaft bracket of the mounting assembly of the vehicle torsion beam dragging arm is connected with the cross beam, and a side supporting piece of the mounting assembly of the vehicle torsion beam dragging arm is connected with the middle cross beam;

wherein the installation component of the trailing arm of the torsion beam of the vehicle is the installation component of the trailing arm of the torsion beam of any one of the vehicles

In another aspect, an embodiment of the present invention provides a vehicle, which includes the above vehicle body structure.

Borrow by above-mentioned technical scheme, the utility model discloses vehicle torsion beam drags installation component, body structure and vehicle of arm have following advantage at least: on the premise of ensuring the installation of the rear axle of the vehicle, the rear axle support is independently arranged as an installation point for the rear axle of the vehicle, so that the casting cost is reduced, and the assembly flexibility and the installation precision are improved; meanwhile, the side supporting pieces are arranged on the rear shaft support to establish a connection relation between the whole rear shaft support and the middle cross beam, so that the strength of the whole vehicle structure is ensured.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a mounting assembly of a trailing arm of a torsion beam for a vehicle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a rear axle bracket in a mounting assembly of a trailing arm of a torsion beam for a vehicle according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a side support in a mounting assembly of a trailing arm of a torsion beam for a vehicle according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a front support in a mounting assembly of a trailing arm of a torsion beam for a vehicle according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a reinforcing plate in a mounting assembly of a trailing arm of a torsion beam for a vehicle according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a threshold connector in a mounting assembly of a trailing arm of a torsion beam for a vehicle according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a vehicle body structure according to an embodiment of the present invention;

in the figure: the vehicle torsion beam towing arm comprises a vehicle torsion beam towing arm mounting assembly 1, a vehicle torsion beam towing arm rear shaft support 2, a vehicle torsion beam towing arm rear shaft support 21, a vehicle torsion beam rear shaft support 22, a vehicle torsion beam rear shaft support 23, a vehicle torsion beam rear shaft support 24, a vehicle torsion beam rear shaft support 25, a vehicle torsion beam rear shaft support 3, a vehicle torsion beam rear shaft support 4, a vehicle torsion beam rear shaft support 41, a vehicle torsion beam rear shaft support 42, a vehicle torsion beam rear shaft support 43, a vehicle torsion beam rear shaft support 44, a vehicle torsion beam rear shaft support 5, a vehicle torsion beam rear shaft support 6, a vehicle torsion beam rear shaft support 7, a vehicle torsion beam rear beam support.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objectives of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the present invention with reference to the following drawings, wherein the detailed description is provided below for the mounting assembly, the body structure, and the specific embodiments, structures, features and effects of the trailing arm of the torsion beam of the vehicle according to the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The utility model discloses technical scheme for solving above-mentioned technical problem, the general thinking is as follows:

example 1

Referring to fig. 1 and 7, the present invention provides a mounting assembly 1 for a trailing arm of a torsion beam of a vehicle, which comprises a rear axle bracket 2 and side supporting pieces 4, wherein the rear axle bracket 2 is provided with a containing space for containing a trailing arm rear axle 5; the side support 4 is connected to the rear axle bracket 2 on the left or right side of the rear axle bracket 2 and extends in a direction away from the rear axle bracket 2.

In particular, in order to solve the problems that the rear axle support of the existing torsion beam is generally assembled with the torsion beam, the casting cost is high, the precision of the installation point is low, and the strength of the vehicle body is reduced, the utility model provides a mounting assembly 1 of the towing arm of the torsion beam of the vehicle, which comprises a rear axle support 2 and a side support 4, wherein the rear axle support 2 is separately arranged for installing the towing arm rear axle 5, and the side support 4 is connected to a middle cross beam 3 at the left side wall or the right side wall of the rear axle support 2, so as to further support and reinforce the rear axle support 2; the rear axle bracket 2 is a frame-type metal stamping part, which encloses a receiving space for receiving and mounting the trailing arm rear axle 5 by a plurality of side walls, and specifically, referring to fig. 2, the rear axle bracket 2 includes a fifth side wall 21, a sixth side wall 22 and a seventh side wall 23; the two ends of the seventh side wall 23 are respectively connected to the fifth side wall 21 and the sixth side wall 22, and the fifth side wall 21, the sixth side wall 22 and the seventh side wall 23 enclose a U-shaped through groove structure having the accommodating space, wherein the fifth side wall 21, the sixth side wall 22 and the seventh side wall 23 are all plate-shaped metal stamping parts, the fifth side wall 21 and the seventh side wall 23 are oppositely arranged, and both of the fifth side wall 21 and the seventh side wall 23 are respectively and preferably connected to the two ends of the sixth side wall 22 along a direction perpendicular to the sixth side wall 22, the fifth side wall 21 and the seventh side wall 23 enclose a U-shaped through groove structure which is communicated with each other from top right to bottom to left as shown in fig. 2, the middle of the fifth side wall 21 and the sixth side wall 22 is used for providing a mounting point for the trailing arm rear shaft 5, that is referring to fig. 7, a bearing 6 parallel to; in the following embodiments of the present invention, the side supporting members 4 are metal stamping parts having a certain supporting function, and one end of each side supporting member is connected to the left side wall or the right side wall of the rear axle bracket 2, and the side supporting members 4 are disposed on the left side wall of the rear axle bracket 2, i.e., the sixth side wall 22, for example, in detail; the side support 4 has one end connected or partially connected to the sixth side wall 22 and the other end extending away from the rear axle bracket 2 and connected to the middle cross member 3 to support and reinforce the rear axle bracket 2.

According to the aforesaid list, the utility model discloses vehicle torsion beam drags installation component 1, body construction and vehicle of arm have following advantage at least: on the premise of ensuring the installation of the rear axle of the vehicle, the rear axle bracket 2 is independently arranged as the rear axle 5 of the towing arm of the vehicle to provide an installation point, so that the casting cost is reduced, and the assembly flexibility and the installation precision are improved; meanwhile, the side supporting pieces 4 are arranged on the rear shaft support 2 and used for establishing a connection relation between the whole installation assembly 11 of the towing arm of the torsion beam of the vehicle and the middle cross beam 3, and further supporting and reinforcing the rear shaft support 2, so that the strength of the whole vehicle structure is ensured.

The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, with the specific understanding that: both a and B may be included, a may exist alone, or B may exist alone, and any of the three cases can be provided.

Further, as shown in fig. 3 and 7, an embodiment of the present invention provides a mounting assembly 1 for a trailing arm of a torsion beam of a vehicle, in which in an implementation, the side support 4 includes at least a first side wall 41 and a second side wall 42;

the first side wall 41 is arranged on the outer side of the left side wall or the right side wall of the rear axle bracket 2, and the first side wall 41 is at least partially connected with the rear axle bracket 2; the second side wall 42 is connected to a bottom edge of the first side wall 41 and extends in a direction away from the rear axle bracket 2.

Specifically, in order to reinforce and support the rear axle bracket 2 and improve the strength of the whole vehicle, the present invention adopts a scheme that the side support 4 is configured to be a form of a connection support formed by connecting the first side wall 41 and the second side wall 42, preferably a connection support formed by connecting the first side wall 41 and the second side wall 42 perpendicular to each other, wherein the first side wall 41 and the second side wall 42 are both plate-shaped metal stamping parts, the first side wall 41 is disposed outside the sixth side wall 22 of the rear axle bracket 2, preferably parallel to the outer wall of the sixth side wall 22 and connected by a bolt, or is not necessarily parallel to the sixth side wall 22, and only needs to be partially connected to the sixth side wall 22; the second side wall 42 is preferably bolted to the middle cross member 3 in a direction perpendicular to the sixth side wall 22, so that the rear axle bracket 2 is connected to the middle cross member 3, the connection strength between the rear axle bracket 2 and the entire vehicle body is improved, and the strength of the rear axle bracket 2 on the sixth side wall 22 side is also enhanced by the first side wall 41 being parallel to the sixth side wall 22, so that the rear axle bracket 2 is supported and reinforced.

Further, as shown in fig. 3, in the installation assembly 1 of the trailing arm of the torsion beam for a vehicle according to an embodiment of the present invention, in an implementation, the side support 4 further includes a third side wall 43 and a fourth side wall 44; the third side wall 43 and the fourth side wall 44 are oppositely disposed and both connected to adjacent edges of the first side wall 41 and the second side wall 42.

Specifically, in order to enhance the strength of the side support 4, the third side wall 43 and the fourth side wall 44 are additionally disposed on two sides of the side support 4, wherein the third side wall 43 and the fourth side wall 44 are sheet metal stamping parts, when the first side wall 41 and the second side wall 42 are perpendicular to each other, the third side wall 43 and the fourth side wall 44 both include a right angle, and the right angle corresponds to the perpendicular connection position of the first side wall 41 and the second side wall 42; referring to fig. 3, two perpendicular edges of the third sidewall 43 are respectively connected to the adjacent edges of the first sidewall 41 and the second sidewall 42, and the fourth sidewall 44 is disposed opposite to the third sidewall 43 on the adjacent edges of the second sidewall 42; the side support 4 is formed into a substantially right triangle structure as a whole, and can support the rear axle bracket 2 well, and prevent the first side wall 41 and the second side wall 42 from being bent.

Further, as shown in fig. 4 and 7, an embodiment of the present invention provides a mounting assembly 1 for a trailing arm of a torsion beam of a vehicle, which in an implementation further includes a front support 9; the front support 9 is connected to the rear axle bracket 2 at the front side of the rear axle bracket 2 and extends in a direction away from the rear axle bracket 2; further, the front support 9 includes a first support plate 91, a first end of the first support plate 91 is provided with a first connecting portion 92 for connecting the rear axle bracket 2, a second end of the first support plate 91 extends in a direction away from the rear axle bracket 2, and a second end of the first support plate 91 is provided with a second connecting portion 93 for connecting the vehicle rear side member 10.

Specifically, in order to improve the stability of the mounting assembly 1 of the trailing arm of the torsion beam of the vehicle in the direction of the rear longitudinal beam 10, the present invention adopts a technical solution in which the front support 9 is additionally provided, wherein the front support 9 is a substantially plate-shaped metal stamping, and the main structure thereof is the first support plate 91, the first support plate 91 is substantially triangular, the first support plate 91 is preferably parallel to the left side wall, i.e. the fifth side wall 21, of the rear shaft bracket 2, and both ends of the first support plate 91 are respectively provided with the first connecting portion 92 and the second connecting portion 93, wherein the first connecting portion 92 is welded to the seventh side wall 23, which is the front side wall of the rear shaft bracket 2, in parallel, and the second connecting portion 93 is screwed to the rear longitudinal beam 10 in parallel, so that the front support 9, the rear shaft bracket 2, and the rear longitudinal beam 10 form a substantially triangular connection relationship, further, the support strength of the front support 9 to the rear axle bracket 2 is improved.

Further, as shown in fig. 5 and 7, an embodiment of the present invention provides a mounting assembly 1 for a trailing arm of a torsion beam of a vehicle, which in an implementation further includes a reinforcing plate 11; the reinforcing plate 11 is arranged on the opposite side of the rear axle support 2 from the side supports 9, and the reinforcing plate 11 extends in the direction of the front supports 9; further, a first end of the reinforcing plate 11 is adapted to the left side wall or the right side wall of the rear axle bracket 2 and is disposed outside the left side wall or the right side wall, a second end of the reinforcing plate 11 is adapted to the first supporting plate 91, and a third flange 111 for partially covering the first supporting plate 91 is disposed at the second end of the reinforcing plate 11; the first end of the reinforcing plate 11 is provided with a bending portion 112, and the bending portion 112 bends toward the inner side of the left side wall or the right side wall.

Specifically, in order to further optimize the supporting effect of the front supporting member 9, the present invention adopts a technical solution in which the reinforcing plate 11 is additionally provided, the reinforcing plate 11 is a plate-shaped metal stamping part, which is used for reinforcing and supporting the rear axle bracket 2, so as to refer to the above content, the first end of the reinforcing plate 11 is disposed at the right side wall of the rear axle bracket 2, i.e. the outer side of the fifth side wall 21, and is attached thereto, and it is preferable here that the first end of the reinforcing plate 11 is disposed parallel to the fifth side wall 21; meanwhile, the reinforcing plate 11 also needs to reinforce and support the front support member 9, so that the second end of the reinforcing plate 11 is arranged outside the first support plate 91, and a third flanging 111 bent downwards is arranged above the second end of the reinforcing plate 11 and used for partially covering the first support plate 91, so that the first support plate 91 is limited and supported in the upward direction in fig. 5 to prevent the first support plate 91 from being deformed under pressure; furthermore, the first end of the reinforcing plate 11 is provided with a bending portion 112 bending towards the inner side of the fifth sidewall 21, and referring to fig. 1, the bending portion 112 bends towards the sixth sidewall 22 from the outer side of the fifth sidewall 21, so as to limit the rear axle bracket 2 in the direction parallel to the sixth sidewall 22 and prevent it from being deformed under pressure.

Further, as shown in fig. 6 and 7, an embodiment of the present invention provides a mounting assembly 1 for a trailing arm of a torsion beam of a vehicle, which further includes a threshold connecting member 7: the threshold connecting piece 7 is a strip-shaped connecting plate, and the threshold connecting piece 7 is connected to the upper side of the rear shaft support 2.

Specifically, in order to improve back shaft bracket 2 is promptly in its front side the installation stability of seventh lateral wall 23 top, the utility model discloses in the technical scheme who takes, add threshold connecting piece 7, threshold connecting piece 7 is rectangular form metal stamping workpiece, bolted connection is passed through respectively in the both ends of threshold connecting piece 7 the upper portion of seventh lateral wall 23 with vehicle threshold 13's border, and then establish back shaft bracket 2 with threshold 13's relation of connection improves the intensity of whole car.

Further, as shown in fig. 2 and fig. 7, in the embodiment of the mounting assembly 1 for the trailing arm of the torsion beam of the vehicle according to the present invention, in a specific implementation, the lower portions of the fifth side wall 21 connected to the first side wall 41 and the sixth side wall 22 opposite to the fifth side wall 21 on the rear axle bracket 2 are provided with the avoidance notches 24 having the same shape and corresponding to each other for adapting to the vehicle cross beam 8; and a fourth connecting portion 25 for connecting the rocker connecting member 7 is provided at an upper end of a seventh side wall 23 provided between the fifth side wall 21 and the sixth side wall 22.

Specifically, in order to cooperate with the vehicle cross beam 8, in the technical solution of the present invention, the lower portions of the fifth side wall 21 and the sixth side wall 22 are provided with the avoidance notches 24 having the same shape and corresponding to each other, the avoidance notches 24 are adapted to the cross beam 8, referring to fig. 7, the cross beam 8 is vertically arranged in the drawing, and the rear axle bracket 2 is equivalent to be arranged vertically or transversely to the cross beam 8, so that the lower portions of the fifth side wall 21 and the sixth side wall 22 and the cross beam 8 have a junction, and in this embodiment, the avoidance notches 24 are arranged for perfect cooperation and cost reduction; at the same time, for smooth connection of the rocker connector 7, the fourth connecting portion 25 is provided at the upper part of the seventh side wall 23 for screw connection with the rocker connector 7.

Example 2

Further, as shown in fig. 7, an embodiment of the present invention provides a vehicle body structure, which includes;

the mounting assembly 1 comprises a cross beam 8, a rear longitudinal beam 10, a middle cross beam 3, a doorsill 13 and a vehicle torsion beam trailing arm;

the rear longitudinal beam 10 is arranged along the length direction of a vehicle body, the cross beam 8 and the middle cross beam 3 are respectively arranged at the outer side and the inner side of the vehicle body and are perpendicular to the rear longitudinal beam 10, the suspension end of the cross beam 8 is connected with the threshold 13, the lower end of the rear shaft bracket 2 of the mounting assembly 1 of the vehicle torsion beam trailing arm is connected with the cross beam 8, and the side supporting piece 4 of the mounting assembly 1 of the vehicle torsion beam trailing arm is connected with the middle cross beam 3;

specifically, the mounting assembly 1 of the trailing arm of the torsion beam of the vehicle in the embodiment of the present invention is the mounting assembly 1 of the trailing arm of the torsion beam of the vehicle in the previous embodiment, the rear longitudinal beam 10 is disposed along the length direction of the vehicle body, the cross beam 8 and the middle cross beam 3 are respectively disposed perpendicular to the rear longitudinal beam 10 at the outer side and the inner side of the vehicle body, the suspension end of the cross beam 8 is connected to the threshold 13, the lower ends of the fifth side wall 21 and the sixth side wall 22 of the rear axle mounting bracket 1 of the torsion beam of the vehicle are connected to the cross beam 8, and the threshold connecting member 7, the front supporting member 9 and the side supporting member 4 of the rear axle mounting bracket 1 of the torsion beam of the vehicle are respectively connected to the threshold 13, the rear longitudinal beam 10; the detailed structure is as described in the above embodiments, and will not be described in detail again.

Example 3

The utility model provides a pair of vehicle, it includes aforementioned body structure.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A mounting assembly for a trailing arm of a vehicle torsion beam, comprising:

2. The vehicle torsion beam trailing arm mounting assembly according to claim 1, wherein:

also comprises a front supporting piece;

3. The vehicle torsion beam trailing arm mounting assembly according to claim 2, wherein:

the front support piece comprises a first support plate, a first connecting portion used for being connected with the rear shaft support is arranged at the first end of the first support plate, a second end of the first support plate extends towards the direction far away from the rear shaft support, and a second connecting portion used for being connected with a rear longitudinal beam of the vehicle is arranged at the second end of the first support plate.

4. The vehicle torsion beam trailing arm mounting assembly according to claim 3, wherein:

the device also comprises a reinforcing plate;

5. The vehicle torsion beam trailing arm mounting assembly according to claim 4, wherein:

the first end of reinforcing plate with the left side wall or the right side wall adaptation of rear axle support and setting are in the left side wall or the right side wall outside, the second end of reinforcing plate with first backup pad looks adaptation, just the second end of reinforcing plate is equipped with and is used for partial cover the third turn-ups of first backup pad.

6. The vehicle torsion beam trailing arm mounting assembly according to claim 5, wherein:

the first end of reinforcing plate is equipped with a kink, the kink is to left side wall or right side wall inboard bending.

7. The vehicle torsion beam trailing arm mounting assembly according to claim 6, wherein:

still include threshold connecting piece:

8. The vehicle torsion beam trailing arm mounting assembly according to claim 7, wherein:

the side support comprises at least a first side wall and a second side wall;

the first side wall is arranged on the outer side of the left side wall or the right side wall of the rear shaft support, and at least part of the first side wall is connected with the left side wall or the right side wall of the rear shaft support;

9. The vehicle torsion beam trailing arm mounting assembly according to claim 8, wherein:

the side support further comprises a third side wall and a fourth side wall;

10. The vehicle torsion beam trailing arm mounting assembly according to claim 9, wherein:

the rear shaft support is provided with a fifth side wall connected with the first side wall and a corresponding avoidance gap which is used for adapting to a vehicle beam, and the lower parts of the fifth side wall and the sixth side wall are opposite to the fifth side wall; and a fourth connecting part used for connecting the threshold connecting part is arranged at the upper end of a seventh side wall arranged between the fifth side wall and the sixth side wall.

11. A vehicle body structure, characterized in that it comprises;

wherein the mounting assembly of the trailing arm of the torsion beam of the vehicle is the mounting assembly of the trailing arm of the torsion beam of the vehicle according to any one of claims 1 to 10.

12. A vehicle, characterized in that it comprises:

the vehicle body structure of claim 11.