A bracket assembly for an automotive storage battery and a vehicle body assembly having the same

By designing an automotive battery bracket assembly and employing multi-point constraints and connections, the problem of insufficient structural rigidity in battery brackets for pure electric vehicles was solved, achieving stable installation and efficient space utilization.

CN119176014BActive Publication Date: 2025-10-24YIBIN COWIN AUTO CO LTD
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Patent Information

Application Number
CN202411371902.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-10-24
Estimated Expiration
2044-09-29

AI Technical Summary

Technical Problem

Existing low-voltage battery brackets are space-constrained in pure electric vehicles, have insufficient structural rigidity, are prone to interference with other structural components, and are difficult to arrange high and low voltage wiring harnesses, failing to meet the stable installation requirements under complex working conditions.

Method used

Design an automotive battery bracket assembly, including a bottom support assembly, a lower support assembly, and a lateral limiting assembly, forming a box structure with an opening. Stable installation is achieved through multi-point constraints, and various connection methods are used to enhance the structural rigidity.

Benefits of technology

It improves the stability and structural rigidity of the battery, avoids interference, simplifies the wiring harness layout, adapts to stable installation under complex working conditions, and enhances the overall vehicle space utilization.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The application relates to the field of storage batteries, in particular to a support assembly for an automobile storage battery and a vehicle body assembly with the support assembly, which comprises a bottom support assembly, a lower support assembly and a lateral limiting assembly; the bottom support assembly comprises a support bottom plate; the support bottom plate comprises a bottom plate body, the edge of the bottom plate body is provided with a limiting flange; the lower support assembly comprises a support rear support and a support front support connected to the support bottom plate; the lateral limiting assembly comprises a support side plate and a lateral support; the cooperation of the bottom support assembly, the lower support assembly and the lateral limiting assembly makes the upper end of the support assembly disclosed by the application form a box body structure with an opening, so that the stable placement of the to-be-mounted storage battery is facilitated.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of storage batteries, in particular to a support assembly for an automotive storage battery and a vehicle body assembly with the support assembly. BACKGROUND

[0002] In today's pure electric vehicle market, most low-voltage battery support structures follow the layout form of traditional fuel vehicles and are installed in the front compartment.

[0003] Low-voltage batteries are important components on pure electric vehicles, responsible for powering various vehicle electrical systems. Since the motor drive system of pure electric vehicles replaces the traditional internal combustion engine system, the structure in the front compartment is more complex, and there are more high and low voltage wire harnesses, which makes the layout space for the low-voltage battery support smaller, and at the same time puts higher requirements on the structural stiffness of the low-voltage battery support.

[0004] It has become an important topic in the field of new energy vehicle research to develop a new high-strength low-voltage battery support assembly for pure electric vehicles, which makes the layout of the low-voltage battery more compatible with the design structure form of pure electric vehicles, thereby improving the utilization rate of the front compartment space and avoiding structural interference and wire harness wear.

[0005] At present, most domestic car companies arrange the low-voltage battery of the pure electric vehicle in the front compartment, together with the charging system, the vehicle control system, and the motor drive system.

[0006] Compared with traditional fuel vehicles, the placement space of the low-voltage battery of pure electric vehicles is more compact, and the layout of high and low voltage wire harnesses and other electrical system wire harnesses is more difficult. Facing more complex pure electric vehicle actual use conditions (large starting inertia, large braking inertia, when passing through a bumpy road, the low-voltage battery support is subjected to complex stress, which makes the displacement and deformation of the support in all directions large, and is prone to interference with other structural components, etc.), higher requirements are put forward for the structural stiffness of the low-voltage battery support.

[0007] The existing patent 201920822295.9 - battery mounting support for all-terrain vehicle, battery device and all-terrain vehicle discloses the content of the battery mounting support, but the binding of the battery is weak.

[0008] Therefore, in order to improve or solve at least one of the above problems, it is necessary to optimize the design of the existing battery mounting support. SUMMARY

[0009] The purpose of the present application is to provide a support assembly with high structural strength and capable of ensuring stable installation of the battery on the vehicle.

[0010] In order to achieve the above purpose, the technical solution adopted by the present application is:

[0011] A support assembly for automobile storage battery comprises a bottom support assembly, a lower support assembly and a lateral limiting assembly;

[0012] The bottom support assembly comprises a support bottom plate;

[0013] The support bottom plate comprises a bottom plate body, and a limiting flange is arranged at the edge of the bottom plate body;

[0014] The lower support assembly comprises a support rear support and a support front support connected to the support bottom plate; the support rear support and the support front support are spaced apart on the support bottom plate;

[0015] The lateral limiting assembly comprises a support side plate and a lateral support; the support side plate and the lateral support are arranged on opposite sides of the support bottom plate.

[0016] The support front support comprises a front support body, and a front support connecting hole and a front support fixing hole are arranged on the front support body; the front support body comprises a front support base plate, and a front support folding edge is arranged at the edge of the front support base plate.

[0017] A front support mounting buckle is arranged on the front support folding edge.

[0018] The support rear support comprises a rear support body, and the rear support body comprises a first rear support frame and a second rear support frame; the first rear support frame and the second rear support frame are arranged in an intersecting manner, and the rear support body has a 7-shaped structure; the rear support body is connected to the support bottom plate through the first rear support frame and connected to the longitudinal beam reinforcing plate through the second support frame.

[0019] The support side plate comprises a transverse side plate and a longitudinal side plate, and the longitudinal side plate is arranged perpendicularly to the transverse side plate; the support side plate is connected to the support bottom plate through the transverse side plate, and the transverse side plate is arranged on the side of the battery to be installed.

[0020] A welding boss is arranged on the longitudinal side plate; and the longitudinal side plate is welded to the side of the support bottom plate through the welding boss.

[0021] The lateral support comprises a lateral connecting plate, and a lap connecting plate is arranged on one side of the lateral connecting plate; the lateral support is connected to the support bottom plate through the lateral connecting plate; and the lateral support is lapped on the suspension reinforcing plate through the lap connecting plate.

[0022] A locking mechanism is arranged on the support bottom plate, and the locking mechanism comprises a locking plate; the locking plate comprises a locking transverse plate and a locking longitudinal plate; and the locking plate is arranged on the support bottom plate through the locking transverse plate.

[0023] The locking plate is connected with the bracket bottom plate through a limiting mechanism, the limiting mechanism comprises a locking buckle arranged on the locking transverse plate and a locking buckle hole arranged on the bracket bottom plate; the locking plate is inserted into the locking buckle hole through the locking buckle.

[0024] A vehicle body assembly comprises a longitudinal beam reinforcing plate, a suspension reinforcing plate and the bracket assembly; the bracket assembly is connected to the longitudinal beam reinforcing plate through a lower support assembly; the bracket assembly is pressed against the suspension reinforcing plate through a lateral support.

[0025] The present application has the advantages that:

[0026] The application discloses a bracket assembly for an automobile storage battery and a vehicle body assembly with the bracket assembly.

[0027] The bracket assembly disclosed by the present application has an open box structure at the upper end, which facilitates the stable placement of the storage battery to be installed, and the stable installation of the bracket assembly on the vehicle body is ensured through the lap joint and fixation of the various bottom support assemblies, lower support assemblies and lateral limiting assemblies with adjacent components, thereby ensuring the stability of the storage battery installation. BRIEF DESCRIPTION OF DRAWINGS

[0028] The following is a brief description of the content expressed by each drawing in the specification of the present application:

[0029] Figure 1 It is a structural schematic view of the present application.

[0030] Figure 2 It is a front view of the present application.

[0031] Figure 3 It is an axial side view of the present application.

[0032] Figure 4 It is a structural schematic view of the first perspective angle when the storage battery is connected.

[0033] Figure 5 It is an exploded view of Figure 4

[0034] Figure 6 It is a structural schematic view and a local enlarged view when the bracket front support, the bracket rear support and the lateral support are connected with the bracket bottom plate.

[0035] Figure 7 It is a structural schematic view and a local enlarged view when the locking mechanism fixes the storage battery on the bracket bottom plate.

[0036] Figure 8 It is a structural schematic view of the second perspective angle when the storage battery is connected.​

[0037] Figure 9 is a local enlarged view of Figure 8

[0038] Figure 10 is a structure schematic view of the side plate of the bracket in the application.

[0039] Figure 11 is a structure schematic view of the rear support of the bracket in the application.

[0040] Figure 12 is a structure schematic view of the front support of the bracket in the application.

[0041] Figure 13 is a structure schematic view of the bottom plate of the bracket in the application. DETAILED DESCRIPTION

[0042] The specific embodiments of the application will be further described in detail with reference to the accompanying drawings.

[0043] The bracket assembly 5 for the automobile storage battery comprises a bottom support assembly, a lower support assembly and a lateral limiting assembly; the bracket assembly 5 disclosed in the application forms a box body structure with an opening at the upper end, which facilitates the stable placement of the storage battery 1 to be installed, and meanwhile, the lap joint and fixation of each bottom support assembly, lower support assembly and lateral limiting assembly with the adjacent components ensure the stable installation of the bracket assembly 5 on the vehicle body, thereby ensuring the stability of the installation of the storage battery 1.

[0044] In the application, the bottom support assembly is mainly the installation and placement basis of the storage battery 1, and can be used for the bottom support of the storage battery 1 in subsequent use.

[0045] In the application, the bottom support assembly comprises a bracket bottom plate 503; in the application, the bracket bottom plate 503 plays a role of a basic support, and in addition, the bracket bottom plate 503 comprises a bottom plate body 531, which is substantially in the form of a plate member structure, facilitating the subsequent use of the bottom plate body 531 to be attached to the bottom of the storage battery 1 and ensuring the stable placement of the bottom of the storage battery 1.

[0046] ​Meanwhile, the limiting flange 532 is arranged at the edge of the bottom plate body 531 in the application; three limiting flanges 532 are arranged on the three side edges of the bottom plate body 531 in the application, and one side is not provided with the limiting flange 532, and the side not provided with the limiting flange 532 is provided with the locking mechanism 506; based on such use, the three limiting flanges 532 and the locking mechanism 506 form the limiting of the four sides, so that the battery 1 is conveniently and stably placed on the support bottom plate 503; based on the above, the bottom plate body 531, the three limiting flanges 532 and the locking mechanism 506 form a box structure with an opening at the upper end, so that the bottom and the four sides of the battery 1 are conveniently and fixedly limited.

[0047] In the application, the support bottom plate 503 is also provided with a bolt 5-1 connecting hole for connecting with the lateral support 504; a bolt 5-1 connecting hole for connecting with the front support 501 of the support; a mounting hole for connecting with the locking plate 5-6; a bolt 5-1 connecting hole for connecting with the rear support 502 of the support; meanwhile, in order to cooperate with the locking buckle 565 on the locking plate 5-6, the support bottom plate 503 in the application is provided with a locking buckle hole 533; the locking plate 5-6 is inserted into the locking buckle hole 533 through the locking buckle 565; the position of the locking plate 5-6 is conveniently limited, and the stability of the installation position of the locking plate 5-6 is ensured.

[0048] In addition, the lower support assembly in the application comprises the rear support 502 and the front support 501 of the support connected to the support bottom plate 503; the rear support 502 and the front support 501 of the support are distributed at intervals on the support bottom plate 503; the rear support 502 and the front support 501 of the support in the application mainly serve as a support frame height function, and can also be used for supporting the lower part of the support bottom plate 503.

[0049] Meanwhile, the lateral limiting assembly in the application comprises the support side plate 505 and the lateral support 504; the support side plate 505 and the lateral support 504 are distributed on opposite sides of the support bottom plate 503; the support side plate 505 mainly supports the lateral side of the battery 1, and the lateral support 504 mainly serves as the lap support between the support assembly 5 and the suspension reinforcing plate 4.

[0050] The front support 501 of the support in the application comprises a front support body, and the front support body is the main structure of the front support 501 of the support; the front support body in the application is provided with a front support connecting hole and a front support fixing hole; the front support connecting hole is used for connecting with the support bottom plate 503, and the front support fixing hole is used for connecting the front support 501 of the support with the longitudinal beam reinforcing plate 3.

[0051] The front support body in the application comprises a front support base plate 511, which is provided with a front support folded edge 512 at the edge; the front support base plate 511 is arranged longitudinally to serve as a support frame, and the front support folded edge 512 is a flanging structure, which can well guarantee the structural strength of the support front support 501, and meanwhile, the front support folded edge 512 in the application increases the contact area between the support front support 501 and the longitudinal beam reinforcing plate 3, and better guarantees the stability of the connection between the support front support 501 and the longitudinal beam reinforcing plate 3.

[0052] Meanwhile, the front support body in the support front support 501 is further provided with a reinforcing groove 518 and a bolt 5-1 connecting hole in the application; the front support body in the application is further provided with a bolt hole 513 for connecting with the longitudinal beam reinforcing plate 3 and a front support mounting buckle 515 for connecting with the mounting socket 111 on the longitudinal beam reinforcing plate 3; meanwhile, the front support body is further provided with a wire harness passage hole 516 and a wire harness support hole 517; and a bolt hole 514 for connecting with the support bottom plate 503.

[0053] The front support folded edge 512 in the application is provided with the front support mounting buckle 515; the front support mounting buckle 515 is used for mutually connecting with the mounting socket 31 on the longitudinal beam reinforcing plate 3, which can realize the installation and positioning of the support front support 501, avoid the accuracy and stability of the position of the support front support 501 during installation, and also serve as a good calibration function.

[0054] Further, the support rear support 502 in the application comprises a rear support body, the rear support body comprises a first rear support frame 522 and a second rear support frame 521; the first rear support frame 522 and the second rear support frame 521 are arranged in an intersecting manner, and the rear support body is in a 7-shaped form; the rear support body is connected with the support bottom plate 503 through the first rear support frame 522 and connected with the longitudinal beam reinforcing plate 3 through the second support frame; the cross section of the support rear support 502 in the application is in a “J” shape; the structural strength of the support rear support 502 is well guaranteed, and meanwhile, the upper part of the first rear support frame 522 is provided with a bolt hole for connecting with the support bottom plate 503 of the low-voltage storage battery 1; the rear support body is provided with a reinforcing groove 523 on the J-shaped boss surface; and the lower part is also provided with a bolt hole for connecting with the longitudinal beam bolt 5-1; the support rear support 502 is in a “7” shape in the lateral direction and has a partial inclination angle, and the bending part is transitioned with a circular arc.

[0055] The support rear support 502 has high structural strength, the reinforcing groove 523 improves the bending resistance of the rear support body, the “7” shaped structure with lateral inclination and round angle disperses the working stress of the rear support, and the overall fatigue durability of the low-voltage storage battery 1 support assembly 5 is significantly improved.

[0056] Meanwhile, the bracket side plate 505 in the application includes a transverse side plate 551 and a longitudinal side plate 552 which is arranged perpendicularly to the transverse side plate 551; the bracket side plate 505 is connected to the bracket bottom plate 503 through the transverse side plate 551 which is arranged at the side of the battery to be installed; the bracket side plate 505 disclosed in the application is an L-shaped plate structure which can not only ensure the fitting area between the bracket side plate 505 and the bracket bottom plate 503 but also support and limit the side of the battery 1.

[0057] In the application, the bracket side plate 505 includes a transverse side plate 551 and a longitudinal side plate 552, and the transverse side plate 551 and the longitudinal side plate 552 can be provided with a folded edge at the side edge to ensure the structural strength, and meanwhile, the bracket side plate 505 is provided with a plurality of VCU mounting holes 5-3; this is convenient for subsequent installation and fixation of the VCU, and meanwhile, the folded edge provided at the side edge of the transverse side plate 551 and the longitudinal side plate 552 can well ensure the structural strength of the bracket side plate 505.

[0058] Meanwhile, a reinforcing rib 5-5 or a reinforcing operation can be arranged at the connection position of the transverse side plate 551 and the longitudinal side plate 552 to ensure the structural strength of the bracket side plate 505.

[0059] Meanwhile, the bracket side plate 505 in the application is provided with a wire harness support mounting hole 5-4; this is convenient for installation and connection of the wire harness support, and meanwhile, the longitudinal side plate 552 in the bracket side plate 505 is provided with a welding boss 553; the longitudinal side plate 552 is welded to the side of the bracket bottom plate 503 through the welding boss 553; the welding boss 553 is a convex structure which is convenient for abutting and fitting with the side of the bracket bottom plate 503.

[0060] Meanwhile, the bracket side plate 505 in the application is in an overall L shape, so that the VCU is stably installed, and the L shape has a good lightweight effect while ensuring the structural design strength; the L shape reduces the area of the side plate sheet metal, and improves the heat dissipation performance of the low-voltage storage battery 1.

[0061] In addition, the lateral support 504 in the application includes a lateral connecting plate 541 which is provided with a lap connecting plate 542 at one side; the lateral support 504 is connected to the bracket bottom plate 503 through the lateral connecting plate 541; the lateral support 504 is lapped on the suspension reinforcing plate 4 through the lap connecting plate 542; the lateral connecting plate 541 acts as a connecting plate body which is convenient for lapping and installation between the bracket bottom plate 503, and the lap connecting plate 542 plays a role of the lateral support 504 which cooperates with the suspension reinforcing beam to realize lateral support 504 of the bracket assembly 5.

[0062] Further, the locking mechanism 506 is arranged on the bracket bottom plate 503 in the application, and the locking mechanism 506 plays a role of end limiting, which can well guarantee the stability of the installation position of the storage battery 1, and meanwhile, the locking mechanism 506 comprises a locking plate 5-6, the locking plate 5-6 comprises a locking horizontal plate 561 and a locking vertical plate 562, and the locking plate 5-6 is arranged on the bracket bottom plate 503 through the locking horizontal plate 561; the locking horizontal plate 561 is fixed on the bracket bottom plate 503 through bolts 5-1; and the cooperation of the locking plate 5-6 and the three limiting flanges 532 can limit the storage battery 1 in all directions, so that the shaking of the storage battery 1 on the bracket assembly 5 is avoided.

[0063] The locking horizontal plate 561 and the locking vertical plate 562 are provided with locking reinforcing ribs 564 at the connecting positions, so as to guarantee the structural strength of the locking plate.

[0064] Meanwhile, the locking vertical plate 562 of the locking plate 5-6 is provided with a clamping flange 5-2, and the limiting flange 532 is also provided with the clamping flange 5-2, the clamping flange 5-2 of the application is arranged in intersection with the locking vertical plate 562, and the limiting flange 532 is also arranged in intersection with the clamping flange 5-2, in other words, the clamping flange 5-2 of the application is arranged in inclination and is arranged towards the side close to the storage battery 1, and such arrangement makes the locking vertical plate 562 cooperate with the clamping flange 5-2 and the limiting flange 532 cooperate with the clamping flange 5-2 form a barb structure, which can be hung on the storage battery base 11 in subsequent use, and the storage battery 1 is better limited in the longitudinal direction.

[0065] Based on the above design, it can be known that the three side edges of the bracket bottom plate 503 are provided with the barb structure, so that when the storage battery 1 is assembled, the storage battery 1 is required to be pushed horizontally from the side of the bracket bottom plate 503 to above the bracket bottom plate 503, and after the storage battery 1 is pushed to the set position, the final locking and fixing of the storage battery 1 are performed through the locking mechanism 506.

[0066] Further, the locking plate 5-6 is connected with the bracket bottom plate 503 through a limiting mechanism in the application, and the limiting mechanism can guarantee the stability of the installation position of the locking plate 5-6 on the bracket bottom plate 503, and meanwhile, the limiting mechanism comprises a locking buckle 565 arranged on the locking horizontal plate 561 and a locking clamping hole 533 arranged on the bracket bottom plate 503; the locking plate 5-6 is inserted into the locking clamping hole 533 through the locking buckle 565; and the cooperation of the locking buckle 565 and the locking clamping hole 533 can limit the position of the locking plate 5-6; and the stability of the position of the locking plate 5-6 in subsequent use is guaranteed.

[0067] In addition, the locking plate 5-6 is connected with the bracket bottom plate 503 by the bolt 5-1, the limiting flange 532 on the locking longitudinal plate 562 is provided with the clamping protrusion 563, and the corresponding battery base 11 is provided with the clamping hole 111; through the cooperation of the clamping protrusion 563 and the clamping hole 111, the assembly position accuracy of the battery 1 can be ensured, and a calibration function is achieved.

[0068] In subsequent use, the clamping protrusion 563 in the limiting flange 532 of the locking plate 5-6 is clamped into the clamping hole 111 of the battery base 11, and is used to identify whether the battery 1 is assembled correctly.

[0069] In addition, the mounting position of the locking plate 5-6 can be determined according to requirements, so that the assembly limiting of the battery 1 of different lengths can be achieved, and the application range of the present application is improved.

[0070] A vehicle body assembly, comprising a longitudinal beam reinforcing plate 3, a suspension reinforcing plate 4 and the bracket assembly 5; the bracket assembly 5 is connected to the longitudinal beam reinforcing plate 3 through a lower support assembly; the bracket assembly 5 is pressed on the suspension reinforcing plate 4 through a lateral support 504; through the above design, five-point constraint between the bracket assembly 5 and the vehicle body can be achieved, and the stability of the bracket assembly 5 arranged on the vehicle body is well ensured.

[0071] Meanwhile, in order to cooperate with the use of the bracket front support 501 and the bracket rear support 502, the vertical section of the longitudinal beam reinforcing plate 3 is in a C shape, which facilitates the lap joint installation of the bracket rear support 502 and the side of the longitudinal beam reinforcing plate 3, and also facilitates the arrangement of the bracket front support 501 and the upper end of the longitudinal beam reinforcing plate 3.

[0072] Meanwhile, through the above design, the bracket assembly 5 is also facilitated to be assembled and installed on the vehicle, in actual installation, the bracket front support 501 is directly arranged above the longitudinal beam reinforcing plate 3, and the lateral support 504 can be lapped on the corresponding suspension reinforcing plate 4 according to requirements, so that one end of the bracket assembly 5 can be supported and positioned; the bracket rear support 502 is facilitated to be locked and fixed on the longitudinal beam reinforcing plate 3, and after the bracket rear support 502 is locked and fixed on the longitudinal beam reinforcing plate 3, the bracket front support 501 and the longitudinal beam reinforcing plate 3 are locked and fixed; the problem that the other end needs to be controlled when one end of the bracket assembly 5 is installed is avoided.

[0073] In addition.

[0074] The application discloses a bracket assembly 5 for an automobile battery 1, mainly comprising a bottom support assembly, a lower support assembly and a lateral limiting assembly.

[0075] The bottom support assembly comprises a bracket bottom plate 503;

[0076] The bracket bottom plate 503 comprises a bottom plate body 531, and a limiting flange 532 is arranged at the edge of the bottom plate body 531;

[0077] The lower support assembly comprises a bracket rear support 502 and a bracket front support 501 connected to the bracket bottom plate 503; the bracket rear support 502 and the bracket front support 501 are spaced apart on the bracket bottom plate 503.

[0078] The lateral limiting assembly comprises a bracket side plate 505 and a lateral support 504; the bracket side plate 505 and the lateral support 504 are arranged on opposite sides of the bracket bottom plate 503.

[0079] The bracket assembly 5 mainly comprises the bracket bottom plate 503, the bracket side plate 505, the bracket front support 501, the bracket rear support 502 and the lateral support 504.

[0080] In the application, the bracket rear support 502 has a section in the shape of a Chinese character 'jia'; a bolt hole is arranged on the upper part and is connected to the bracket bottom plate 503 of the low-voltage storage battery 1; a reinforcing groove is arranged on the bracket body; a bolt hole is arranged on the lower part and is connected to the longitudinal beam bolt 5-1; the bracket rear support 502 of the low-voltage storage battery 1 has a section in the shape of a Chinese character 'qi' and has a partial inclination, and a circular arc 7 is arranged at the bending position.

[0081] The bracket rear support 502 of the low-voltage storage battery 1 has a section in the shape of a Chinese character 'jia', and the reinforcing groove improves the bending resistance of the bracket body; the '7' shaped structure with a lateral inclination and a circular arc 7 disperses the working stress of the bracket, so that the overall fatigue durability of the bracket assembly 5 of the low-voltage storage battery 1 is significantly improved.

[0082] The bracket bottom plate 503 disclosed in the application is provided with a recessed bolt 5-1 connecting hole, a bottom plate reinforcing groove and a locking plate 5-6 mounting hole, and the low-voltage storage battery 1 is locked and limited.

[0083] The recessed bolt 5-1 connecting hole is convenient for quick disassembly and provides a connecting fulcrum for the bracket bottom plate 503, the reinforcing groove improves the rigidity of the large metal surface on the bracket bottom plate 503, the manufacturing cost is low, and the structural strength of the bottom plate is improved without increasing the weight.

[0084] The locking plate 5-6 is connected to the bracket bottom plate 503 by the bolt 5-1, the locking plate 5-6 has a simple structure and is convenient to disassemble and assemble, and is suitable for locking various specifications of low-voltage storage batteries 1.

[0085] In addition, in the present invention, the bracket side panel 505 is welded to the bracket bottom panel 503 at the folded edge; the bracket rear support 502 is connected to the bracket bottom panel 503 by bolt 5-1; the bracket rear support 502 and the bracket front support 501 are connected to the front longitudinal beam reinforcement plate 3 by bolt 5-1; the lateral support 504 is welded to the suspension reinforcement plate 4, and the suspension reinforcement plate 4 is located behind the front end panel of the front wheel cover 2, and the three are stacked and welded; the battery locking plate 5-6 is connected to the bracket bottom panel 503 by bolt 5-1; the low-voltage battery 1 is placed on the bracket bottom panel 503.

[0086] The bolt 5-1 connection structure of the bottom plate of the low-voltage battery 1: its rear support 502 is connected to the bracket bottom plate 503 with bolts 5-1, and the bolt 5-1 connection boss surface of the bracket bottom plate 503 is fitted with the "J"-shaped cross-section boss of the bracket rear support 502; its lateral support 504 is fitted with the bolt 5-1 connection boss surface of the bracket bottom plate 503, and the middle is connected with bolts 5-1; the bolt 5-1 connection boss on the bracket bottom plate 503 is fitted with the bracket front support 501, and the middle is connected with bolts 5-1.

[0087] The low-voltage battery 1 bracket assembly 5 of the present invention has high structural strength, and groove structures are used in multiple places to strengthen the sheet metal, which significantly improves the bearing capacity of the bracket. When the vehicle passes through dangerous conditions such as gravel, potholes, etc., it ensures that the battery 1 does not vibrate relative to each other, and its constraint is reliable; the bracket is mainly constrained by five points A, B, C, D, and E, and the battery bracket is firmly installed near the left longitudinal beam of the front cabin of the car. The bracket has a simple structure and occupies little space. The five fulcrums of its constraint constitute a pentahedral conical structure with a large bearing capacity, small displacement deformation under extreme working conditions, no interference with other structural parts, convenient wiring, and obvious lightweight effect.

[0088] The battery holder of the present invention is suitable for standard low-voltage batteries 1 of two sizes and can be quickly assembled and disassembled. The battery holder of the present invention adopts five-point constraints, and the constraint hard points form a pentahedral conical structure in space. Under various extreme working conditions, the deformation displacement of the battery holder is small, vibration is not prone to occur, and the structure is reliable. The front support 501 of the battery holder of the present invention is provided with a wiring harness channel, which makes the wiring of the vehicle along the longitudinal beam direction more convenient.

[0089] The present invention also has the following technical effects:

[0090] 1. High structural strength

[0091] The present invention is provided with a bracket bottom plate 503, a bracket side plate 505, a bracket front support 501, a bracket rear support 502 and a lateral support 504 as support members, and the connection points of each support constraint position form a pentahedral cone structure.

[0092] 2. Strong versatility

[0093] The locking mechanism 506 of the application can move on the bracket bottom plate 503, so that the lateral installation limit of the length accumulator battery 1 can be realized,

[0094] 3. Convenient wiring

[0095] The battery bracket front support 501 of the application is provided with a wire harness channel, which not only ensures the convenience of wiring along the longitudinal beam direction, but also achieves the lightweight effect of the overall bracket structure.

[0096] Obviously, the specific implementation of the application is not limited by the above-mentioned manner, and various non-essential improvements made by adopting the method concept and technical scheme of the application are within the protection scope of the application.

Claims

1. A bracket assembly for an automotive storage battery, characterized by, The bottom support assembly, the lower support assembly and the lateral limiting assembly are included. The bottom support assembly includes a bracket bottom plate. The bracket bottom plate includes a bottom plate body, and a limiting flange is arranged at the edge of the bottom plate body. The lower support assembly includes a bracket rear support and a bracket front support connected to the bracket bottom plate. The bracket rear support and the bracket front support are spaced apart on the bracket bottom plate. The lateral limiting assembly includes a bracket side plate and a lateral support. The bracket side plate and the lateral support are arranged on opposite sides of the bracket bottom plate. The bracket front support includes a front support body, and a front support connecting hole and a front support fixing hole are arranged on the front support body. The bracket rear support includes a rear support body, and the rear support body includes a first rear support frame and a second rear support frame.

2. The bracket assembly for an automotive storage battery of claim 1 wherein, The first rear support frame and the second rear support frame are arranged in an intersecting manner, and the rear support body has a 7-shaped structure.

3. The bracket assembly for an automotive storage battery of claim 1 wherein, The rear support body is connected to the bracket bottom plate through the first rear support frame and connected to the longitudinal beam reinforcing plate through the second support frame.

4. The support assembly for an automotive storage battery of claim 3 wherein, The lateral support includes a lateral connecting plate, and a lap connecting plate is arranged on one side of the lateral connecting plate.

5. The support assembly for an automotive storage battery of claim 1 wherein, The lateral support is connected to the bracket bottom plate through the lateral connecting plate and connected to the suspension reinforcing plate through the lap connecting plate.

6. A vehicle body assembly characterized by, A locking mechanism is arranged on the bracket bottom plate, and the locking mechanism includes a locking plate. A front support mounting buckle is arranged on the front support flange. The bracket side plate includes a transverse side plate and a longitudinal side plate, and the longitudinal side plate is arranged perpendicularly to the transverse side plate. The bracket side plate is connected to the bracket bottom plate through the transverse side plate, and the transverse side plate is arranged on the side of the battery to be installed. A welding boss is arranged on the longitudinal side plate. The longitudinal side plate is welded to the side of the bracket bottom plate through the welding boss. The locking plate is connected to the bracket bottom plate through a limiting mechanism, and the limiting mechanism includes a locking buckle arranged on the locking transverse plate and a locking clamping hole arranged on the bracket bottom plate. The bracket assembly is connected to the longitudinal beam reinforcing plate through the lower support assembly and pressed against the suspension reinforcing plate through the lateral support.

Citation Information

Patent Citations

  • Pure electric vehicle cabin arrangement structure

    CN112278075A

  • Automobile storage battery bracket

    CN205344499U