CN220662451U - Bracket assembly and automobile - Google Patents

Abstract

The utility model provides a bracket assembly and an automobile, and relates to the technical field of automobile parts. The support assembly can simultaneously realize the installation and fixation of the storage battery and the ODP, namely integrates the functions of the storage battery support and the ODP support, has higher integration level, can realize the installation and positioning of the support assembly by only one set of positioning tool, and has more convenient assembly and higher assembly precision.

Description

Bracket assembly and automobile

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a bracket assembly and an automobile.

Background

The ODP integrated vehicle-mounted power management module refers to a three-in-one integrated product of an OBC (on-board charger), a DC/DC converter and a PDU (power distribution unit). At present, a storage battery and an ODP integrated vehicle-mounted power management module (hereinafter referred to as ODP) of an automobile are respectively fixed through respective brackets, and because the brackets are distributed, a plurality of brackets need a plurality of positioning devices to be positioned, so that the bracket assembly difficulty is high, and the assembly precision is possibly affected.

Disclosure of Invention

The utility model aims to solve the technical problem that the existing bracket is inconvenient to assemble.

In one aspect, the utility model provides a bracket assembly, which comprises a bracket body, wherein two ends of the bracket body are respectively provided with a storage battery mounting surface and an ODP mounting surface, the storage battery mounting surface is used for being connected with a storage battery, and the ODP mounting surface is used for being connected with an ODP.

According to the support assembly disclosed by the utility model, the storage battery mounting surface is arranged at one end of the support body, the storage battery is arranged on the storage battery mounting surface, the storage battery can be fixedly connected with the storage battery mounting surface 11 in a bolt, welding, riveting and other modes, the ODP is arranged on the ODP mounting surface, the ODP can be fixedly connected with the ODP mounting surface 12 in a bolt, welding, riveting and other modes, and the support assembly disclosed by the utility model can be used for simultaneously realizing the mounting and fixing of the storage battery and the ODP, namely integrating functions of the storage battery support and the ODP support, is higher in integration level, can realize the mounting and positioning of the support assembly only by one set of positioning tools, is more convenient to assemble and is higher in assembly precision.

Optionally, the support assembly further includes a first ADCU support, the battery mounting surface and the ODP mounting surface are sequentially arranged along the width direction of the automobile, the battery mounting surface and the ODP mounting surface are respectively bent upwards along the same end of the length direction of the automobile to form a first flanging and a second flanging, the first ADCU support is located above the support body, two ends of the first ADCU support along the width direction of the automobile are respectively provided with a first supporting leg and a second supporting leg, the first supporting legs correspond to the first flanging, the first supporting legs are connected with the first flanging, the second supporting legs correspond to the second flanging, and the second supporting legs are connected with the second flanging.

Optionally, the support assembly further includes a second ADCU support, one end of the ODP mounting surface away from the battery mounting surface is bent upwards to form a third flange, the second ADCU support is located above the ODP mounting surface, a third supporting leg corresponding to the second flange and a fourth supporting leg corresponding to the third flange are respectively arranged at the circumferential edge of the second ADCU support, and the third supporting leg, the second supporting leg and the second flange are connected with each other, and the fourth supporting leg is connected with the third flange.

Optionally, the support assembly further includes a disconnecting switch support, a circumferential edge of the first ADCU support is bent upwards to form a fourth flange, the disconnecting switch support is located above the first ADCU support, an accommodating space for installing the first ADCU is formed between the disconnecting switch support and the first ADCU support, the disconnecting switch support is bent towards one side of the first ADCU support to form a fifth support leg, and the fifth support leg is connected with the fourth flange.

Optionally, the first flange is provided with a backup battery bracket mounting hole, and the first flange is used for being connected with the backup battery bracket through the backup battery bracket mounting hole.

Optionally, the bracket body is configured to be disposed in an automobile spare tire pool, one end of the battery mounting surface, which is far away from the ODP mounting surface, is bent upwards to form a fifth flange, and the fifth flange and the third flange are respectively configured to overlap with a circumferential edge of the automobile spare tire pool.

Optionally, a battery mounting hole is formed in the battery mounting surface, and an ODP mounting hole is formed in the ODP mounting surface;

and/or the storage battery mounting surface is provided with a first welding via hole, and the ODP mounting surface is provided with a second welding via hole.

Optionally, a first ADCU mounting hole and a first ADCU positioning hole are formed in the first ADCU bracket, and/or a second ADCU mounting hole and a second ADCU positioning hole are formed in the second ADCU bracket, and/or an isolating switch mounting hole and an isolating switch positioning hole are formed in the isolating switch bracket; and/or, an ODP pressing plate is arranged on the ODP mounting surface along the circumferential direction of the ODP mounting hole.

Optionally, at least one of the first ADCU bracket, the second ADCU bracket, the disconnector bracket, the battery mounting surface, and the ODP mounting surface is provided with a stiffener.

In another aspect, the present utility model provides an automobile comprising the bracket assembly. The advantages of the vehicle according to the utility model over the prior art are the same as those of the bracket assembly described above and will not be repeated.

Drawings

Fig. 1 is a schematic view of an installation structure of a storage battery and an ODP on a bracket assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the overall structure of a bracket assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a bracket body according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a first ADCU bracket according to an embodiment of the utility model;

FIG. 5 is a schematic diagram of a second ADCU bracket according to an embodiment of the utility model;

FIG. 6 is a schematic diagram of a disconnecting switch bracket according to an embodiment of the utility model;

fig. 7 is a schematic structural diagram of another view of the disconnecting switch bracket according to the embodiment of the utility model.

Reference numerals illustrate:

1. a bracket body; 11. a battery mounting surface; 111. a battery mounting hole; 112. a first solder via; 12. an ODP mounting surface; 121. an ODP mounting hole; 122. a second solder via; 13. a first flanging; 131. a first mounting hole; 132. backup battery holder mounting holes; 14. a second flanging; 141. a second mounting hole; 15. a third flanging; 151. a fifth mounting hole; 16. an ODP platen; 17. fifth flanging; 2. a first ADCU bracket; 21. a first leg; 211. a third mounting hole; 22. a second leg; 221. a fourth mounting hole; 23. fourth flanging; 231. an eighth mounting hole; 24. a first ADCU mounting hole; 25. a first ADCU locating hole; 3. a first fastener; 4. a second fastener; 5. a second ADCU bracket; 51. a third leg; 511. a sixth mounting hole; 52. a fourth leg; 521. a seventh mounting hole; 53. a second ADCU mounting hole; 54. a second ADCU locating hole; 6. a third fastener; 7. an isolating switch bracket; 71. a fifth leg; 711. a ninth mounting hole; 72. isolating switch mounting holes; 73. isolating switch locating holes; 8. a fourth fastener; 91. reinforcing ribs; 101. a storage battery; 102. ODP.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "mated" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In addition, in the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", etc. in the embodiments indicate terms of orientation, and only for simplifying the positional relationship of the description based on the drawings of the specification, it does not represent that the elements and devices etc. referred to must be operated according to the operations and methods and configurations defined in the specific orientation and limitation of the present utility model, and such orientation terms do not constitute limitations of the present utility model.

Herein, a coordinate system XYZ is established in which the forward direction of the X-axis represents the front, the reverse direction of the X-axis represents the rear, the forward direction of the Y-axis represents the left, the reverse direction of the Y-axis represents the right, the forward direction of the Z-axis represents the top, and the reverse direction of the Z-axis represents the bottom.

As shown in fig. 1-2, a support assembly according to an embodiment of the present utility model includes a support body 1, two ends of the support body 1 are respectively provided with a battery mounting surface 11 and an ODP mounting surface 12, the battery mounting surface 11 is used for being connected with a battery, and the ODP mounting surface 12 is used for being connected with an ODP.

Specifically, the stand body 1 may have a thin plate structure horizontally disposed, and two ends of the upper surface of the stand body 1 may be respectively formed with a battery mounting surface 11 and an ODP mounting surface 12, which are connected by a connection section.

In this embodiment, the storage battery 101 is disposed on the storage battery mounting surface 11, the storage battery 101 can be fixedly connected with the storage battery mounting surface 11 by means of bolts, welding, riveting, bonding and the like, the ODP102 is disposed on the ODP mounting surface 12, the ODP102 can be fixedly connected with the ODP mounting surface 12 by means of bolts, welding, riveting, bonding and the like, and the support assembly of the utility model can simultaneously realize the mounting and fixing of the storage battery and the ODP, that is, the functions of the storage battery support and the ODP support are integrated, the integration level is higher, the mounting and positioning of the support assembly can be realized by only one set of positioning tools, the assembly is more convenient, and the assembly precision is higher.

As shown in fig. 2-4, optionally, the bracket assembly further includes a first ADCU bracket 2, where the battery mounting surface 11 and the ODP mounting surface 12 are sequentially disposed along the width direction of the vehicle, the same ends of the battery mounting surface 11 and the ODP mounting surface 12 along the length direction of the vehicle are respectively bent upwards to form a first flange 13 and a second flange 14, the first ADCU bracket 2 is located above the bracket body 1, two ends of the first ADCU bracket 2 along the width direction of the vehicle are respectively provided with a first leg 21 and a second leg 22, the first leg 21 corresponds to the first flange 13, the first leg 21 is connected with the first flange 13, the second leg 22 corresponds to the second flange 14, and the second leg 22 is connected with the second flange 14.

Specifically, the first ADCU bracket 2 is used for installing a first ADCU, where the ADCU is abbreviated as an autopilot controller Autonomous Driving Control Unit. The battery mounting surface 11 and the ODP mounting surface 12 are sequentially arranged along the direction indicated by the Y axis, the front end of the battery mounting surface 11, that is, the front end along the positive direction of the X axis, can be bent upwards to form a first flange 13, the front end of the ODP mounting surface 12, that is, the front end along the positive direction of the X axis, can be bent upwards to form a second flange 14, the first flange 13 and the second flange 14 can comprise sequentially connected multi-section bending sections, the first ADCU bracket 2 is positioned above the front of the bracket body 1, the rear end of the first ADCU bracket 2 is respectively provided with a first supporting leg 21 and a second supporting leg 22 along two sides of the Y axis, and the first supporting leg 21 and the second supporting leg 22 can be approximately Z-shaped supporting legs. The supporting heights of the first flange 13 and the second flange 14 can be different, and the supporting level of the first ADCU bracket 2 can be ensured only by reasonably setting the heights of the first supporting leg 21 and the second supporting leg 22 according to the situation.

The first flange 13 is provided with a first mounting hole 131, the second flange 14 is provided with a second mounting hole 141, the first supporting leg 21 is provided with a third mounting hole 211, the second supporting leg 22 is provided with a fourth mounting hole 221, the first mounting hole 131, the second mounting hole 141, the third mounting hole 211 and the fourth mounting hole 221 can be threaded holes, the first fastening piece 3 and the second fastening piece 4 can be bolts, the first fastening piece 3 passes through the first mounting hole 131 and the third mounting hole 211 to realize the connection and the fixation of the first supporting leg 21 and the first flange 13, the second fastening piece 4 passes through the second mounting hole 141 and the fourth mounting hole 221 to realize the connection and the fixation of the second supporting leg 22 and the second flange 14, and the installation and the disassembly are convenient.

In this embodiment, the first flange 13 and the second flange 14 can be used to connect with the first ADCU bracket 2 while increasing the strength of the bracket body 1, and the first ADCU bracket 2 is connected with the corresponding flange through two legs, and the connection stability is good. The first ADCU bracket 2 is positioned above the bracket body 1 and is fixed on the flanging of the bracket body 1, so that the assembly space is saved. Because the first ADCU support 2 is connected with the support body 1, the positioning and the installation of the first ADCU support 2 can be realized only by positioning the support body 1.

As shown in fig. 2, 3 and 5, optionally, the support assembly further includes a second ADCU support 5, an end of the ODP mounting surface 12 away from the battery mounting surface 11 is bent upwards to form a third flange 15, the second ADCU support 5 is located above the ODP mounting surface 12, a third leg 51 corresponding to the second flange 14 and a fourth leg 52 corresponding to the third flange 15 are respectively provided at a circumferential edge of the second ADCU support 5, and the third leg 51, the second leg 22 and the second flange 14 are connected with each other, and the fourth leg 52 is connected with the third flange 15.

Specifically, an automobile generally has two ADCUs, a first ADCU and a second ADCU, respectively, the first ADCU being used to mount the first ADCU and the second ADCU being used to mount the second ADCU by the second ADCU holder 5. The second ADCU bracket 5 is located on the front upper right side of the bracket body 1, that is, the second ADCU bracket 5 is located on the right side of the first ADCU bracket 2.

In more detail, the right end of the ODP mounting surface 12 is bent upwards to form a third flange 15, which increases the strength of the bracket body 1 and provides a mounting support point for the second ADCU bracket 5, the third flange 15 and the second flange 14 may have the same or different supporting heights, the left end of the second ADCU bracket 5 is bent downwards to form a third leg 51, the rear end of the second ADCU bracket 5 is bent downwards to form a fourth leg 52, and the third leg 51 and the fourth leg 52 may be substantially L-shaped. The third flange 15 may be provided with a fifth mounting hole 151, the third leg 51 may be provided with a sixth mounting hole 511, the sixth mounting hole 511 is coaxially disposed with the second mounting hole 141 and the fourth mounting hole 221, and the fourth leg 52 is provided with a seventh mounting hole 521. The fifth mounting hole 151, the sixth mounting hole 511 and the seventh mounting hole 521 may be threaded holes, the third fastening member 6 may be a bolt, and the second fastening member 4 sequentially passes through the sixth mounting hole 511, the second mounting hole 141 and the fourth mounting hole 221, so as to fix the second leg 22 and the third leg 51 on the second flange 14, and the third fastening member 6 passes through the fifth mounting hole 151 and the seventh mounting hole 521 to fix the fourth leg 52 on the third flange 15, so that the installation and the disassembly are simple and convenient.

In this embodiment, the second ADCU bracket 5 is located above the front of the bracket body 1, and is arranged in the Z direction, so that space occupation is saved, and two legs of the second ADCU bracket 5 are respectively connected with two flanges at the edge of the ODP mounting surface 12, and are fixed at two points, so that mounting stability is good. Meanwhile, the third supporting leg 51 of the second ADCU bracket 5 and the second supporting leg 22 of the first ADCU bracket 2 are connected with the second flanging 14 through the same second fastening piece 4, namely, different ADCU brackets share the same mounting hole on the second flanging 14, so that the disassembly and the assembly are convenient. Meanwhile, as the second ADCU bracket 5 is fixedly connected with the bracket body 1, the second ADCU bracket 5 can be installed and positioned only by positioning the bracket body 1.

As shown in fig. 2-4 and 6-7, optionally, the support assembly further includes a disconnecting switch support 7, a circumferential edge of the first ADCU support 2 is bent upwards to form a fourth flange 23, the disconnecting switch support 7 is located above the first ADCU support 2, an accommodating space for installing the first ADCU is formed between the disconnecting switch support 7 and the first ADCU support 2, the disconnecting switch support 7 is bent towards one side of the first ADCU support 2 to form a fifth support leg 71, and the fifth support leg 71 is connected with the fourth flange 23.

Specifically, the isolating switch support 7 is used for installing isolating switch, the isolating switch support 7 is located directly over the first ADCU support 2, the support body 1, the first ADCU support 2 and the isolating switch support 7 are sequentially arranged along the Z direction from bottom to top, and the space occupation of the XY plane is saved in a similar layer-by-layer stacked installation mode. The front end and the rear end of the first ADCU bracket 2 can be respectively bent upwards to form fourth flanges 23, the fourth flanges 23 not only can increase the strength of the first ADCU bracket 2, but also can provide mounting support points for the isolating switch bracket 7, the front end and the rear end of the isolating switch bracket 7 can be respectively bent downwards to form fifth supporting legs 71, the two fifth supporting legs 71 are respectively supported on the corresponding fourth flanges 23, and the fifth supporting legs 71 can be provided in plurality, so that the supporting stability is improved. The eighth mounting hole 231 can be formed in the fourth flange 23, the ninth mounting hole 711 can be formed in the fifth supporting leg 71, the eighth mounting hole 231 and the ninth mounting hole 711 can be threaded holes, the fourth fastening piece 8 can be bolts, and the fourth fastening piece 8 penetrates through the eighth mounting hole 231 and the ninth mounting hole 711 so as to realize the mounting and fixing between the isolating switch bracket 7 and the first ADCU bracket 2, and the mounting and the dismounting are simple.

It should be noted that the height of the disconnecting switch bracket 7 in the Z direction relative to the first ADCU bracket 2 depends on the height of the first ADCU, and the first ADCU may be inserted into the accommodating space along the direction shown by the Y axis.

In this embodiment, isolator support 7 is located first ADCU support 2 top, arranges along the Z to, saves XY plane space and occupies, and isolator support 7 passes through the landing leg to be connected fixedly with the turn-ups of first ADCU support 2, and first ADCU support 2 passes through the landing leg to be connected fixedly with the turn-ups of support body 1, only needs locating support body 1, can realize the installation location to first ADCU support 2, isolator support 7 and the second ADCU support 5 that connect on it, and the installation positioning accuracy is higher. The first ADCU bracket 2, the isolating switch bracket 7, the second ADCU bracket 5 and the bracket body 1 can be assembled outside the automobile in advance, and the assembled bracket assembly can be installed inside the automobile through the bracket body 1, so that the assembly efficiency of the bracket assembly on the automobile is greatly improved.

As shown in fig. 3, optionally, a backup battery bracket mounting hole 132 is provided on the first flange 13, and the first flange 13 is used for connecting with a backup battery bracket through the backup battery bracket mounting hole 132.

In this embodiment, the end of the first flange 13 away from the second flange 14 may be provided with a battery holder mounting hole 132, providing a mounting point for a backup battery holder, and the backup battery holder may be mounted using the backup battery holder mounting hole 132.

Optionally, the bracket body 1 is configured to be placed in a spare tire pool of an automobile, one end of the battery mounting surface 11, which is far away from the ODP mounting surface 12, is bent upwards to form a fifth flange 17, and the fifth flange 17 and the third flange 15 are respectively configured to overlap with a circumferential edge of the spare tire pool of the automobile.

In this embodiment, for some automobiles that do not need to be provided with spare tires, the bracket assembly according to this embodiment may be entirely disposed in an automobile spare tire pool, the fifth flange 17 and the third flange 15 are respectively located at the two extreme edges of the bracket body 1 along the direction indicated by the Y axis, and the third flange 15 and the fifth flange 17 are respectively overlapped with the weak positions of the two side edges of the automobile spare tire pool, so as to improve the strength of the automobile spare tire pool.

As shown in fig. 3, optionally, a battery mounting hole 111 is provided on the battery mounting surface 11, and an ODP mounting hole 121 is provided on the ODP mounting surface 12;

and/or, the battery mounting surface 11 is provided with a first welding via 112, and the ODP mounting surface 12 is provided with a second welding via 122.

In this embodiment, the fasteners such as bolts pass through the battery mounting holes 111 and the battery to mount the battery on the battery mounting surface, and the battery mounting holes 111 may be arranged in a plurality along the circumferential edge of the battery mounting surface 11 at intervals, for example, four may be arranged to correspond to four corners of the battery respectively, so as to fix four corners of the battery, and improve the connection stability of the battery 101; fasteners such as bolts penetrate through the ODP mounting holes 121 and the ODP to mount the ODP on the ODP mounting surface 12, and the ODP mounting holes 121 can be arranged at intervals along the circumferential direction of the ODP mounting surface 12, so that the connection stability of the ODP102 is improved.

The number of the first solder vias 112 may be plural, the first solder vias 112 may be any shape such as circular holes, square holes, etc., and the second solder vias 122 may be similar to the first solder vias 112. The first bracket body 1 can be welded and fixed with the automobile spare tire pool through the first welding via 112 and the second welding via 122.

As shown in fig. 3 to 6, optionally, the first ADCU bracket 2 is provided with a first ADCU mounting hole 24 and a first ADCU positioning hole 25, and/or the second ADCU bracket 5 is provided with a second ADCU mounting hole 53 and a second ADCU positioning hole 54, and/or the isolating switch bracket 7 is provided with an isolating switch mounting hole 72 and an isolating switch positioning hole 73; and/or, an ODP platen 16 is disposed on the ODP mounting surface 12 along the circumferential direction of the ODP mounting hole 121.

In this embodiment, the first ADCU mounting holes 24 may be disposed along a plurality of circumferential edges of the first ADCU support 2, the first ADCU positioning holes 25 may be located in a middle portion of the first ADCU support 2, the first ADCU may be mounted on the first ADCU support through the first ADCU mounting holes 24, and the first ADCU positioning holes 25 may be located in cooperation with positioning portions on the first ADCU, so as to improve the mounting accuracy of the first ADCU. The arrangement of the second ADCU mounting hole 53 and the disconnector mounting hole 72 is similar to that of the first ADCU mounting hole 24 and will not be repeated. The arrangement of the second ADCU positioning hole 54 and the isolating switch positioning hole 73 is similar to that of the first ADCU positioning hole 25, and will not be repeated.

Here, a plurality of ODP pressing plates 16 may be disposed and respectively abut against each side of the ODP, and in order to facilitate the installation of the ODP, 1 to 3 ODP pressing plates 16 may be disposed to perform abutment limiting on a part of the side of the ODP.

As shown in fig. 4 and 6, at least one of the first ADCU bracket 2, the second ADCU bracket 5, the disconnecting switch bracket 7, the battery mounting surface 11, and the ODP mounting surface 12 is optionally provided with a reinforcing rib 91. The reinforcing rib 91 may be disposed on one or more of the first ADCU bracket 2, the second ADCU bracket 5, the isolating switch bracket 7, the battery mounting surface 11 and the ODP mounting surface 12, and the reinforcing rib 91 may be formed by partially protruding or recessing the bracket, so that the strength of the entire bracket is improved through the reinforcing rib 91. The ribs 91 may be provided wider to better meet the overall form, strength and durability requirements of the bracket. Of course, on the basis of meeting the performance, weight reducing holes can be formed in the support for weight reducing optimization.

An automobile according to still another embodiment of the present utility model includes the bracket assembly described above. The advantages of the vehicle over the prior art are the same as the bracket assembly described above and will not be repeated.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The support assembly is characterized by comprising a support body (1), wherein a storage battery mounting surface (11) and an ODP mounting surface (12) are respectively arranged at two ends of the support body (1), the storage battery mounting surface (11) is used for being connected with a storage battery, and the ODP mounting surface (12) is used for being connected with an ODP.

2. The bracket assembly according to claim 1, further comprising a first ADCU bracket (2), wherein the battery mounting surface (11) and the ODP mounting surface (12) are sequentially arranged along the width direction of the automobile, the battery mounting surface (11) and the ODP mounting surface (12) are respectively bent upwards along the same end of the length direction of the automobile to form a first flanging (13) and a second flanging (14), the first ADCU bracket (2) is located above the bracket body (1), a first supporting leg (21) and a second supporting leg (22) are respectively arranged at two ends of the first ADCU bracket (2) along the width direction of the automobile, the first supporting leg (21) corresponds to the first flanging (13), the first supporting leg (21) is connected with the first flanging (13), the second supporting leg (22) corresponds to the second flanging (14), and the second supporting leg (22) is connected with the second flanging (14).

3. The bracket assembly according to claim 2, further comprising a second ADCU bracket (5), wherein an end of the ODP mounting surface (12) away from the battery mounting surface (11) is bent upwards to form a third flange (15), the second ADCU bracket (5) is located above the ODP mounting surface (12), a third leg (51) corresponding to the second flange (14) and a fourth leg (52) corresponding to the third flange (15) are respectively provided at a circumferential edge of the second ADCU bracket (5), the third leg (51), the second leg (22) and the second flange (14) are connected to each other, and the fourth leg (52) is connected to the third flange (15).

4. A bracket assembly according to claim 3, further comprising a disconnector bracket (7), the circumferential edge of the first ADCU bracket (2) being bent upwards to form a fourth flange (23), the disconnector bracket (7) being located above the first ADCU bracket (2), a receiving space for mounting the first ADCU being formed between the disconnector bracket (7) and the first ADCU bracket (2), the disconnector bracket (7) being bent to one side of the first ADCU bracket (2) to form a fifth leg (71), the fifth leg (71) being connected to the fourth flange (23).

5. The bracket assembly according to claim 2, wherein the first flange (13) is provided with a backup battery bracket mounting hole (132), and the first flange (13) is used for being connected with a backup battery bracket through the backup battery bracket mounting hole (132).

6. The bracket assembly according to claim 4, wherein the bracket body (1) is configured to be placed in a spare tire pool of an automobile, an end of the battery mounting surface (11) remote from the ODP mounting surface (12) is bent upwards to form a fifth flange (17), and the fifth flange (17) and the third flange (15) are respectively configured to overlap with a circumferential edge of the spare tire pool of the automobile.

7. The bracket assembly according to claim 4, wherein a battery mounting hole (111) is provided on the battery mounting surface (11), and an ODP mounting hole (121) is provided on the ODP mounting surface (12);

and/or, the storage battery mounting surface (11) is provided with a first welding via hole (112), and the ODP mounting surface (12) is provided with a second welding via hole (122).

8. Support assembly according to claim 7, characterized in that the first ADCU support (2) is provided with a first ADCU mounting hole (24) and a first ADCU positioning hole (25), and/or the second ADCU support (5) is provided with a second ADCU mounting hole (53) and a second ADCU positioning hole (54), and/or the disconnector support (7) is provided with a disconnector mounting hole (72) and a disconnector positioning hole (73); and/or, an ODP pressing plate (16) is arranged on the ODP mounting surface (12) along the circumferential direction of the ODP mounting hole (121).

9. The rack assembly according to claim 4, wherein at least one of the first ADCU rack (2), the second ADCU rack (5), the disconnector rack (7), the battery mounting surface (11) and the ODP mounting surface (12) is provided with a stiffener (91).

10. An automobile comprising a bracket assembly as claimed in any one of claims 1 to 9.