CN219277168U - Trailing arm installing support and vehicle - Google Patents

Abstract

A trailing arm mounting bracket and a vehicle are disclosed herein. The towing arm mounting bracket comprises a bracket body, a reinforcing plate assembly and a mounting substrate, wherein the bracket body and the reinforcing plate assembly are both mounted on the mounting substrate, and the reinforcing plate assembly is connected with the bracket body; and a cavity is formed by enclosing at least two of the reinforcing plate assembly, the bracket body and the mounting substrate. The trailing arm mounting bracket has high connection strength, good stability and light overall weight.

Description

Trailing arm installing support and vehicle

Technical Field

The present application relates to the field of trailing arm mounting structures, and more particularly to a trailing arm mounting bracket and a vehicle.

Background

In the current traditional car, the rear suspension (i.e. trailing arm installing support) form of well low-end car is mainly torsion beam form, and is with low costs, and the reliability obtains most car enterprise favor, but its drawback is also obvious: most of the traditional trailing arm mounting brackets are castings, the overall mass of the trailing arm mounting brackets is heavy through bolting, and the connection strength and the stability are low.

Disclosure of Invention

The embodiment of the application provides a trailing arm installing support and vehicle, joint strength is high, stability is good, and whole light in weight.

The embodiment of the application provides a trailing arm mounting bracket, which comprises a bracket body, a reinforcing plate assembly and a mounting substrate, wherein the bracket body and the reinforcing plate assembly are both mounted on the mounting substrate, and the reinforcing plate assembly is connected with the bracket body;

and a cavity is formed by enclosing at least two of the reinforcing plate assembly, the bracket body and the mounting substrate.

Further, the bracket body includes a first side, a second side, and a third side;

the reinforcing plate assembly comprises a first reinforcing plate, a second reinforcing plate and a third reinforcing plate, wherein the first reinforcing plate is connected with the first side face, the second reinforcing plate is connected with the second side face, and the third reinforcing plate is connected with the third side face.

Further, the first reinforcing plate comprises a first connecting surface, a second connecting surface and a third connecting surface which are sequentially connected, wherein the first connecting surface and the second connecting surface form a step structure and are connected with the mounting substrate, and the third connecting surface is connected with the first side surface.

Further, a first transition surface is formed at the joint of the second connection surface and the third connection surface, a first cavity is formed by surrounding the first transition surface, the bracket body and the mounting substrate, and the cavity comprises the first cavity; and/or the first connecting surface and the third connecting surface are provided with first reinforcing ribs.

Further, the first reinforcing plate further comprises a fourth connecting surface, and the fourth connecting surface is connected with the second connecting surface and the third connecting surface; the first reinforcing plate is connected with the second reinforcing plate through the fourth connecting surface.

Further, the second reinforcing plate comprises a fifth connecting surface, a sixth connecting surface and a seventh connecting surface which are sequentially connected, wherein the fifth connecting surface and the sixth connecting surface form a step structure and are connected with the mounting substrate, and the seventh connecting surface is connected with the third side surface.

Further, a protruding portion is formed on the sixth connecting surface in a bending mode, a second cavity is formed between the protruding portion, the support body and the mounting substrate in a surrounding mode, and the cavity comprises the second cavity; and/or, at least the seventh connecting surface of the second reinforcing plate is provided with a second reinforcing rib.

Further, the third reinforcing plate comprises an eighth connecting surface and a ninth connecting surface which are sequentially connected, the eighth connecting surface is connected with the mounting substrate, and the ninth connecting surface is connected with the second side surface.

Further, a second transition surface is formed at the joint of the eighth connection surface and the ninth connection surface, a third cavity is formed by surrounding the second transition surface, the bracket body and the mounting substrate, and the cavity comprises the third cavity; and/or third reinforcing ribs are arranged on at least the eighth connecting surface of the third reinforcing plate.

Further, the eighth connecting surface and the ninth connecting surface extend at both ends and are respectively connected to the first reinforcing plate and the second reinforcing plate.

Further, the bracket body further comprises a bottom surface and a fourth side surface, wherein the first side surface, the second side surface, the third side surface and the fourth side surface are surrounded on the periphery of the bottom surface to form a fan-shaped mounting cavity with an opening, and the fan-shaped mounting cavity is used for mounting the trailing arm.

Further, the bracket body, the first reinforcing plate, the second reinforcing plate and the third reinforcing plate are all integral members.

Further, the bracket body is connected with the reinforcing plate assembly through welding, and/or the reinforcing plate assembly is connected with the mounting substrate through welding, and/or each member of the reinforcing plate assembly is connected through welding.

The embodiment of the application also provides a vehicle, which comprises the trailing arm mounting bracket.

Compared with some technologies, the application has the following beneficial effects:

the trailing arm installing support that this application embodiment provided is provided with the reinforcing plate assembly in order to improve the joint strength of support body department, guarantees that trailing arm and support body are connected reliably. A cavity (instead of being tightly attached to the reinforcing plate assembly, the bracket body and the mounting substrate) is formed by surrounding the reinforcing plate assembly, the bracket body and the mounting substrate, and the reserved cavity can play a role in improving the strength of the joint, so that the supporting strength and the rigidity of the trailing arm mounting bracket are improved; and other reinforcing structures are not required to be additionally arranged, and the overall weight of the trailing arm mounting bracket is reduced.

The vehicle provided by the embodiment of the application has the towing arm mounting bracket, and the internal components are firmly and reliably connected, so that the quality of the whole vehicle is reduced.

Additional features and advantages of the application will be set forth in the description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the technical aspects of the present application, and are incorporated in and constitute a part of this specification, illustrate the technical aspects of the present application and together with the examples of the present application, and not constitute a limitation of the technical aspects of the present application.

FIG. 1 is a schematic view of a trailing arm mounting bracket according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a bracket body and stiffener assembly according to an embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a second embodiment of a bracket body and stiffener assembly;

FIG. 4 is a schematic view of a bracket body and stiffener assembly as described in embodiments of the present disclosure;

FIG. 5 is a schematic view of a bracket body and stiffener assembly according to an embodiment of the present disclosure;

fig. 6 is a schematic structural view of a mounting substrate according to an embodiment of the present application;

fig. 7 is a schematic structural view of a bracket body according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a second embodiment of the bracket body;

FIG. 9 is a schematic view of the installation of a first stiffener as described in embodiments of the present disclosure;

FIG. 10 is a schematic structural view of a first reinforcing plate according to an embodiment of the present disclosure;

FIG. 11 is a schematic view of the installation of a second stiffener as described in embodiments of the present disclosure;

FIG. 12 is a schematic view of a second stiffener according to an embodiment of the present disclosure;

FIG. 13 is a schematic view of the installation of a third stiffener as described in embodiments of the present disclosure;

fig. 14 is a schematic structural view of a third reinforcing plate according to an embodiment of the present application.

Illustration of:

the bracket comprises a bracket body, 11-first side surfaces, 12-second side surfaces, 13-third side surfaces, 14-fourth side surfaces, 15-bottom surfaces, 16-trailing arm bolt mounting holes, 2-mounting base plates, 21-longitudinal beams, 22-longitudinal beam outer plates, 3-first reinforcing plates, 31-first connecting surfaces, 32-second connecting surfaces, 33-third connecting surfaces, 331-first through holes, 34-fourth connecting surfaces, 35-first transition surfaces, 36-first cavities, 37-first reinforcing ribs, 4-second reinforcing plates, 41-fifth connecting surfaces, 42-sixth connecting surfaces, 43-seventh connecting surfaces, 431-second through holes, 44-second cavities, 45-second reinforcing ribs, 5-third reinforcing plates, 51-eighth connecting surfaces, 52-ninth connecting surfaces, 53-third cavities and 54-third reinforcing ribs.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail hereinafter with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be arbitrarily combined with each other.

The existing trailing arm mounting bracket has the following defects besides the defects: the towing arm mounting bracket has diversified structural forms, is complex to assemble and mount, and cannot meet the requirements of platformization and universalization; the cantilever of the trailing arm mounting bracket is higher, the performance is poorer, and the stability requirement can not be met; in addition, the existing trailing arm mounting bracket has a longer process chain and poorer matching degree.

The embodiment of the application provides a trailing arm mounting bracket, as shown in fig. 1 to 14, the trailing arm mounting bracket comprises a bracket body 1, a reinforcing plate assembly and a mounting substrate 2, wherein the bracket body 1 and the reinforcing plate assembly are both arranged on the mounting substrate 2, and the reinforcing plate assembly is connected with the bracket body 1; a cavity is formed between at least two of the reinforcing plate assembly, the bracket body 1 and the mounting substrate 2 in a surrounding mode.

The bracket body 1 is mounted on the mounting substrate 2, and the bracket body 1 is used for being connected with a trailing arm. The reinforcing plate assembly is simultaneously connected with the mounting substrate 2 and the bracket body 1 so as to play a role in improving the strength and rigidity of the support body. In practice, the reinforcing plate assembly may be disposed around the outer ring of the bracket body 1 so as to connect the bracket body 1 and the mounting substrate 2 at the same time.

The reinforcing plate assembly, the bracket body 1 and the mounting substrate 2 are connected by the hollow cavity (namely the three parts are not completely attached), so that the lateral rigidity, the vertical rigidity, the longitudinal rigidity, the durability and the reliability can be greatly improved, the pollution and the abrasion of the bushing are effectively protected, the structural design of the bracket is simple again, the process is mature and reliable, the cost is low, and the bracket can be widely applied to other vehicle types. The provision of the cavity at the junction to increase strength and rigidity does not add additional weight to the trailing arm mounting bracket and does not add to the assembly steps and complexity.

It should be appreciated that in some cases, the cavity may also be provided between the stiffener assembly, the bracket body 1 and the mounting substrate 2, such as: a cavity is formed between the bracket body 1 and the reinforcing plate assembly in a surrounding mode.

The mounting substrate 2 may be a side member 21 and a side member outer plate 22 connected to the side member 21.

In an exemplary embodiment, as shown in fig. 7 and 8, the bracket body 1 includes a first side 11, a second side 12, and a third side 13; the reinforcing plate assembly comprises a first reinforcing plate 3, a second reinforcing plate 4 and a third reinforcing plate 5, wherein the first reinforcing plate 3 is connected with a first side 11, the second reinforcing plate 4 is connected with a second side 12, and the third reinforcing plate 5 is connected with a third side 13.

The three sides of the bracket body 1 are respectively connected with a first reinforcing plate 3, a second reinforcing plate 4 and a third reinforcing plate 5. The three reinforcing plates can be connected in sequence, so that the integrity and stability of the trailing arm mounting bracket are improved. The three reinforcing plates are arranged around the bracket body 1, so that the lateral rigidity of the bracket body 1 can be greatly improved.

The reinforcing plate is arranged into three independent components, so that the material utilization rate can be greatly improved, different materials and thicknesses can be conveniently selected, and the performance is ensured without waste

In an exemplary embodiment, as shown in fig. 9 and 10, the first reinforcing plate 3 includes a first connection surface 31, a second connection surface 32, and a third connection surface 33 connected in sequence, the first connection surface 31 and the second connection surface 32 forming a stepped structure and being connected to the mounting substrate 2, and the third connection surface 33 being connected to the first side 11.

The three connecting surfaces form a folded line shape. The first connection surface 31 is connected to the side surface of the mounting board 2, the second connection surface 32 is connected to the upper surface of the mounting board 2, and the third connection surface 33 is connected to the first side surface 11 of the bracket body 1.

In the orientation shown in fig. 10, the first connection surface 31 and the third connection surface 33 may extend in a direction perpendicular to the mounting base (i.e., in the longitudinal direction) to improve strength and rigidity in the longitudinal direction of the bracket body 1.

A first through hole 331 may be formed in the third connection surface 33, and communicate with the trailing arm bolt mounting hole 16 on the first side surface 11 of the bracket body 1, so that a bolt for mounting the trailing arm is inserted.

In an exemplary embodiment, as shown in fig. 10, a first transition surface 35 is formed at the connection position of the second connection surface 32 and the third connection surface 33, a first cavity 36 is formed between the first transition surface 35, the bracket body 1 and the mounting substrate 2 in a surrounding manner, and the cavity includes the first cavity 36; and/or the first connection surface 31 and the third connection surface 33 are provided with first reinforcing ribs 37.

It should be understood that the first cavity 36 is shown in fig. 10, indicating where the first cavity is located, the first cavity is shown in fig. 10 as being located on the back of the sign, as shown in fig. 4 and 5.

A first cavity 36 is formed between the first transition surface 35 and the bracket body 1 and between the first transition surface and the mounting substrate 2 in a surrounding mode, and the strength and rigidity of the joint of the first cavity 36 and the bracket body can be improved.

First reinforcing ribs 37 extending in the longitudinal direction may be provided on the first and third connection faces 31 and 33 to increase the strength and rigidity of the first reinforcing plate 3 itself in the longitudinal direction.

In an exemplary embodiment, as shown in fig. 10, the first reinforcing plate 3 further includes a fourth connection surface 34, and the fourth connection surface 34 is connected to the second connection surface 32 and the third connection surface 33; the first reinforcing plate 3 is connected to the second reinforcing plate 4 by a fourth connecting surface 34.

The first reinforcing plate 3 can be further connected with the second reinforcing plate 4 to improve the supporting effect of each reinforcing plate on the bracket body 1.

The fourth connection face 34 may be perpendicular to the second connection face 32 and the third connection face 33.

In an exemplary embodiment, as shown in fig. 11 and 12, the second reinforcing plate 4 includes a fifth connection surface 41, a sixth connection surface 42, and a seventh connection surface 43 connected in this order, the fifth connection surface 41 and the sixth connection surface 42 forming a stepped structure and being connected to the mounting substrate 2, the seventh connection surface 43 being connected to the third side surface 13.

The three connecting surfaces form a folded line shape. The fifth connection surface 41 is connected to the side surface of the mounting board 2, the sixth connection surface 42 is connected to the upper surface of the mounting board 2, and the seventh connection surface 43 is connected to the second side surface 12 of the bracket body 1.

In the orientation shown in fig. 12, the fifth connecting surface 41 and the seventh connecting surface 43 may extend in a direction perpendicular to the mounting base (i.e., in the longitudinal direction) to improve the strength and rigidity of the bracket body 1 in the longitudinal direction.

A second through hole 431 may be formed in the seventh connection surface 43, and communicate with the trailing arm bolt mounting hole 16 on the second side 12 of the bracket body 1, so that a bolt for mounting the trailing arm is inserted.

In an exemplary embodiment, as shown in fig. 12, a protrusion is formed on the sixth connection surface 42 by bending, and a second cavity 44 is formed between the protrusion, the bracket body 1 and the mounting substrate 2, and the cavity includes the second cavity 44; and/or at least the seventh connection surface 43 of the second reinforcing plate 4 is provided with second reinforcing ribs 45.

It should be understood that the second cavity 44 is shown in fig. 12, indicating where the second cavity is located, and in fig. 12 the second cavity is located on the back of the sign, as shown in fig. 4 and 5.

The second cavity 44 is formed by surrounding the bulge, the bracket body 1 and the mounting substrate 2, and the strength and rigidity of the joint of the bulge, the bracket body 1 and the mounting substrate 2 can be improved by the second cavity 44.

The seventh joint surface 43 may be provided with second reinforcing ribs 45 extending in the longitudinal direction to enhance the strength and rigidity of the second reinforcing plate 4 itself in the longitudinal direction. The second reinforcing ribs 45 are provided on at least the seventh connecting surface 43 of the second reinforcing plate 4, in other words, the fourth connecting surface 34 may be provided with reinforcing ribs.

In an exemplary embodiment, as shown in fig. 13 and 14, the third reinforcing plate 5 includes an eighth connection surface 51 and a ninth connection surface 52 connected in sequence, the eighth connection surface 51 being connected to the mounting substrate 2, the ninth connection surface 52 being connected to the second side 12.

The eighth connecting surface 51 and the ninth connecting surface 52 form an L-shaped bend. The eighth connection surface 51 is connected to the mounting board 2, and the ninth connection surface 52 is connected to the second side surface 12.

In an exemplary embodiment, as shown in fig. 14, a second transition surface is formed at the connection position of the eighth connection surface 51 and the ninth connection surface 52, a third cavity 53 is formed between the second transition surface, the bracket body 1 and the mounting substrate 2 in a surrounding manner, and the cavity includes the third cavity 53; and/or at least the eighth connection surface 51 of the third reinforcing plate 5 is provided with third reinforcing ribs 54.

It should be understood that the third cavity 53 is shown in fig. 14, indicating where the third cavity is located, and in fig. 14 the third cavity is located on the back of the sign, as shown in fig. 4 and 5.

And a third cavity 53 is formed by surrounding the second transition surface, the bracket body 1 and the mounting substrate 2, and the third cavity 53 can improve the strength and rigidity of the joint of the third cavity and the mounting substrate.

Third reinforcing ribs 54 may be provided on the eighth joint face 51 to improve the strength and rigidity of the first reinforcing plate 3 itself. At least the eighth connecting surface 51 of the third reinforcing plate 5 is provided with third reinforcing ribs 54, in other words, connecting reinforcing ribs may be provided correspondingly on the ninth connecting surface 52.

In an exemplary embodiment, as shown in fig. 13, both ends of the eighth connection surface 51 and the ninth connection surface 52 extend to be connected to the first reinforcing plate 3 and the second reinforcing plate 4, respectively.

The eighth connecting surface 51 and the ninth connecting surface 52 extend at both ends and are respectively connected with the first reinforcing plate 3 and the second reinforcing plate 4, so that the three reinforcing plates are sequentially connected, and the integrity and the stability of the trailing arm mounting bracket are improved.

In an exemplary embodiment, as shown in fig. 7 and 8, the stand body 1 further includes a bottom surface 15 and a fourth side surface 14, and the first side surface 11, the second side surface 12, the third side surface 13, and the fourth side surface 14 are enclosed around the bottom surface 15 to form a fan-shaped mounting cavity with an opening, and the fan-shaped mounting cavity is configured to mount the trailing arm.

The bracket body 1 is formed with a fan-shaped mounting cavity, one end of the trailing arm is rotatably mounted in the fan-shaped mounting cavity through a bolt, and the rotatable space is large. The semi-closed bracket body 1 is structurally designed, so that pollution and abrasion of the lining on the trailing arm are well prevented.

In an exemplary embodiment, the bracket body 1, the first reinforcing plate 3, the second reinforcing plate 4, and the third reinforcing plate 5 are all integral members.

The bracket body 1, the first reinforcing plate 3, the second reinforcing plate 4 and the third reinforcing plate 5 can be members integrally formed through sheet metal stamping, and the bracket is accurate in size and reduces assembly steps.

The bracket body 1 is an integral component, the surface difference of two sides is small, the coaxiality of the towing arm bolt mounting holes 16 on the two sides is high, the mounting operation is simple, and the coaxiality and the assembly gap of the towing arm mounting can be well ensured.

In an exemplary embodiment, the bracket body 1 and the reinforcing plate assembly are connected by welding, and/or the reinforcing plate assembly and the mounting substrate 2 are connected by welding, and/or the components of the reinforcing plate assembly are connected by welding.

All the components are connected in a welding mode, spot welding is combined with seam welding, the welding process is mature, the connecting effect is good, and compared with a bolt connection mode, the integral weight of the trailing arm mounting bracket is effectively reduced.

The trailing arm installing support that this embodiment provided can satisfy new energy automobile and arrange demand and universalization platform ization demand, possesses high mounting point rigidity and control stability, and assembly and installation simple process simultaneously, the reliability is higher, matches better. The design of the trailing arm mounting bracket adopts a sheet metal stamping process and a welding process, the die cost and the process cost are low, the rigidity of the dynamic and static mounting points is high, the durability and the reliability are good, and the degree of platformization and universalization is high.

The embodiment of the application also provides a vehicle, which comprises the trailing arm mounting bracket.

The vehicle provided by the embodiment of the application has the towing arm mounting bracket, and the internal components are firmly and reliably connected, so that the quality of the whole vehicle is reduced.

In the description of the present application, it should be noted that the directions or positional relationships indicated by "upper", "lower", "one end", "one side", etc. are based on the directions or positional relationships shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the structure referred to has a specific direction, is configured and operated in a specific direction, and therefore, should not be construed as limiting the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "connected," "assembled," and "mounted" are to be construed broadly, and for example, the term "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The embodiments described herein are intended to be illustrative and not limiting, and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the embodiments described herein. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or in place of any other feature or element of any other embodiment unless specifically limited.

The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The embodiments, features and elements disclosed in this application may also be combined with any conventional features or elements to form a unique solution as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other claims to form another unique claim as defined in the claims. Thus, it should be understood that any of the features shown and/or discussed in this application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not to be restricted except in light of the attached claims and their equivalents. Further, various modifications and changes may be made within the scope of the appended claims.

Claims (12)

1. The trailing arm mounting bracket is characterized by comprising a bracket body, a reinforcing plate assembly and a mounting substrate, wherein the bracket body and the reinforcing plate assembly are both mounted on the mounting substrate, and the reinforcing plate assembly is connected with the bracket body;

a cavity is formed by enclosing at least two of the reinforcing plate assembly, the bracket body and the mounting substrate;

the bracket body comprises a first side surface, a second side surface and a third side surface;

the reinforcing plate assembly comprises a first reinforcing plate, a second reinforcing plate and a third reinforcing plate, wherein the first reinforcing plate is connected with the first side face, the second reinforcing plate is connected with the second side face, and the third reinforcing plate is connected with the third side face;

the bracket body further comprises a bottom surface and a fourth side surface, wherein the first side surface, the second side surface, the third side surface and the fourth side surface are arranged around the bottom surface in a surrounding mode to form a fan-shaped mounting cavity with an opening, and the fan-shaped mounting cavity is used for mounting the dragging arm.

2. The trailing arm mounting bracket of claim 1 wherein the first stiffener includes a first connection face, a second connection face, and a third connection face that are connected in sequence, the first connection face and the second connection face forming a stepped structure and being connected to the mounting substrate, the third connection face being connected to the first side face.

3. The trailing arm mounting bracket of claim 2 wherein a first transition surface is formed at a junction of the second connection surface and the third connection surface, a first cavity is defined between the first transition surface, the bracket body and the mounting substrate, and the cavity includes the first cavity; and/or the number of the groups of groups,

the first connecting surface and the third connecting surface are provided with first reinforcing ribs.

4. The trailing arm mounting bracket of claim 2 wherein the first reinforcement plate further comprises a fourth connecting surface that connects with the second and third connecting surfaces;

the first reinforcing plate is connected with the second reinforcing plate through the fourth connecting surface.

5. The trailing arm mounting bracket of claim 1 wherein the second reinforcement plate includes a fifth connection face, a sixth connection face, and a seventh connection face that are connected in sequence, the fifth connection face and the sixth connection face forming a stepped structure and being connected to the mounting substrate, the seventh connection face being connected to the third side.

6. The trailing arm mounting bracket of claim 5 wherein the sixth connecting surface is bent to form a boss, a second cavity is defined between the boss, the bracket body and the mounting substrate, and the cavity includes the second cavity; and/or the number of the groups of groups,

and at least the seventh connecting surface of the second reinforcing plate is provided with second reinforcing ribs.

7. The trailing arm mounting bracket of claim 1 wherein the third stiffener includes an eighth connection face and a ninth connection face that are connected in sequence, the eighth connection face being connected to the mounting substrate and the ninth connection face being connected to the second side.

8. The trailing arm mounting bracket of claim 7 wherein a second transition surface is formed at a junction of the eighth connection surface and the ninth connection surface, a third cavity is defined between the second transition surface, the bracket body and the mounting substrate, and the cavity includes the third cavity; and/or the number of the groups of groups,

and at least the eighth connecting surface of the third reinforcing plate is provided with third reinforcing ribs.

9. The trailing arm mounting bracket of claim 7 wherein the eighth and ninth connection surfaces extend at opposite ends thereof for connection to the first and second reinforcement plates, respectively.

10. The trailing arm mounting bracket of any one of claims 1 to 9 wherein the bracket body, the first reinforcing plate, the second reinforcing plate and the third reinforcing plate are all one-piece members.

11. The trailing arm mounting bracket of any one of claims 1 to 9 wherein the bracket body and the stiffener plate assembly are connected by welding and/or the stiffener plate assembly and the mounting base plate are connected by welding and/or the stiffener plate assembly members are connected by welding.

12. A vehicle comprising a trailing arm mounting bracket according to any one of claims 1 to 11.

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