Integrated support

Abstract

The utility model discloses an integrated support, which relates to the technical field of battery support equipment, and comprises an upper support assembly, a lower support assembly and a plate spring fixing piece, the upper end of the lower support assembly is provided with the upper support assembly, one end of the lower support assembly is provided with the plate spring fixing piece, and the lower support assembly comprises a support plate, the lower end of the supporting plate is bent to form a supporting part; the reinforcing rib assemblies are arranged on the side wall of the supporting plate. Through the arrangement of the upper supporting assembly, the lower supporting assembly and the plate spring fixing piece, good mechanical performance is achieved, bearing performance, deformation resistance and integration degree are high, the weight of the lower box body can be borne, movement of the lower box body can be restrained, meanwhile, the fixing point restraining effect of the upper box body supporting assembly and the plate spring assembly is considered, and the rigidity and strength performance requirements of the box body can also be met.

Description

Technical Field

[0001] The utility model relates to the technical field of battery support equipment, and particularly relates to an integrated bracket. Background Technique

[0002] The process of assembling battery cells into a group is called Pack. Pack mainly consists of a box structure, a battery cell system, an electrical system and a thermal management system. Usually, the box structure is composed of a box frame, a bottom plate, internal reinforcing beams, an upper cover plate, bolt fasteners, etc., providing a stable and reliable layout space and safety protection for the battery cells, electrical appliances and thermal management system. However, since commercial vehicle packs need to ensure a certain driving range of the vehicle, they are much larger in volume and weight than passenger vehicle packs. Usually, auxiliary brackets need to be added to share part of the weight and restraint effect for them to enhance the mechanical properties of the stiffness and strength of the box structure. Therefore, for the design of the battery pack auxiliary bracket structure, how to design an auxiliary bracket with reliable mechanical properties, high integration, light weight and meeting manufacturing feasibility in the limited space environment of the whole vehicle is one of the key technologies and also a major problem.

[0003] In the prior art, in order to ensure the connection reliability between the frame girder and the upper and lower boxes to ensure the transmission and balance of mechanics, the common design method is to use a bracket with a single function to assist the connection between the box and the frame girder. The bracket of this kind has a single function and cannot take into account the mechanical balance and the influence of optimizing force transmission. At the same time, it cannot take into account the constraint fixing points required by the surrounding structural components. Content of the Utility Model

[0004] The purpose of the utility model is to provide an integrated bracket to solve the above technical problems.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] An integrated bracket includes an upper support component, a lower support component and a leaf spring fixing piece. The upper support component is arranged at the upper end of the lower support component, and the leaf spring fixing piece is arranged at one end of the lower support component. The lower support component includes:

[0007] A support plate, and a support portion is formed by bending the lower end of the support plate;

[0008] A reinforcing rib component, and a plurality of the reinforcing rib components are arranged on the side wall of the support plate.

[0009] Preferably, the reinforcing rib component includes a plurality of first reinforcing ribs arranged horizontally and a plurality of second reinforcing ribs arranged vertically, and the first reinforcing ribs and the second reinforcing ribs are arranged in a criss-cross manner.

[0010] Preferably, a plurality of first connection holes are provided on both the support plate and the support portion.

[0011] Preferably, the support portion is disposed perpendicular to the support plate.

[0012] Preferably, the upper support assembly includes a support beam and a plurality of clamping mechanisms provided on one side of the support beam.

[0013] As a further preference, each of the clamping mechanisms includes a clamping block. One end of the clamping block is connected to the support beam, and a notch is provided at the other end of the clamping block. Second connection holes are provided on the upper sidewall and / or the lower sidewall of the notch.

[0014] Preferably, the upper support assembly and the lower support assembly are detachably connected.

[0015] Preferably, the leaf spring fixing member includes a fixing plate. One end of the fixing plate is connected to the support plate. A third connection hole is provided on each of the support plate and the fixing plate, and the two third connection holes are coaxially arranged.

[0016] As a further preference, the fixing plate is arranged in an "L" shape.

[0017] The above technical solution has the following advantages or beneficial effects:

[0018] In the present utility model, through the arrangement of the upper support assembly, the lower support assembly, and the leaf spring fixing member, good mechanical properties are achieved. It has strong load-bearing capacity, anti-deformation ability, high integration, can bear the weight of the lower box body, restrict the movement of the lower box body, and at the same time take into account the functions of the upper box body support assembly and the leaf spring assembly constraint fixing points, and can also ensure the stiffness and strength performance requirements of the box body. Description of the Drawings

[0019] Figure 1 is a schematic structural diagram of the integrated bracket in the present utility model;

[0020] Figure 2 is a three-dimensional structural schematic diagram of the lower support assembly in the present utility model Figure 1 ;

[0021] Figure 3 is a three-dimensional structural schematic diagram of the lower support assembly in the present utility model Figure 2 ;

[0022] Figure 4 is a schematic diagram of the use state of the integrated bracket in the present utility model.

[0023] In the figure: 1. Upper support assembly; 101. Support beam; 102. Clamping block; 103. Notch; 2. Lower support assembly; 201. Support plate; 202. First reinforcing rib; 203. Second reinforcing rib; 204. Support portion; 205. First connection hole; 3. Leaf spring fixing member; 301. Fixing plate; 302. Third connection hole; 4. Battery pack upper box assembly; 5. Battery pack lower box assembly; 6. Leaf spring assembly; 7. Frame longitudinal beam. Detailed implementation mode

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be noted that terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, terms such as "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] Figure 1 is a schematic structural diagram of the integrated bracket in the present utility model; Figure 2 is a three-dimensional structural schematic diagram of the lower support assembly in the present utility model Figure 1 ; Figure 3 is a three-dimensional structural schematic diagram of the lower support assembly in the present utility model Figure 2 ; Figure 4 is a schematic diagram of the use state of the integrated bracket in the present utility model. Please refer to Figures 1 to 4As shown, a preferred embodiment is shown, which is an integrated bracket including an upper support assembly 1, a lower support assembly 2, and a leaf spring fixing member 3. The upper support assembly 1 is disposed at the upper end of the lower support assembly 2, and the leaf spring fixing member 3 is disposed at one end of the lower support assembly 2. In this embodiment, refer to Figure 1 As shown, the upper support assembly 1 is detachably disposed at the upper end of the lower support assembly 2, and bolts are used for cooperation between the upper support assembly 1 and the lower support assembly 2. Both the upper support assembly 1 and the lower support assembly 2 are made of aluminum alloy material, which can reduce the overall weight of the integrated bracket. The provided upper support assembly 1 is used to connect with the upper box assembly 4 of the battery pack, the provided lower support assembly is used to connect with the lower box assembly 5 of the battery pack, and the provided leaf spring fixing member 3 is used to install the leaf spring assembly 6. The integrated bracket in this embodiment can realize the restraint and fixation of the upper box assembly of the battery pack, the lower box assembly 5 of the battery pack, and the leaf spring assembly 6.

[0028] The lower support assembly 2 includes:

[0029] A support plate 201, and a support portion 204 is formed by bending the lower end of the support plate 201;

[0030] A reinforcing rib assembly, and a plurality of reinforcing rib assemblies are provided on the side wall of the support plate 201. Among them, refer to Figure 2 As shown, the reinforcing rib assembly includes a plurality of first reinforcing ribs 202 arranged horizontally and a plurality of second reinforcing ribs 203 arranged vertically, and the first reinforcing ribs 202 and the second reinforcing ribs 203 are arranged in a criss-cross manner. Through the arrangement of the reinforcing rib assembly, the overall strength of the lower support assembly 2 can be increased, and the bent portion at the lower end of the support plate 201 can support the bottom of the lower box assembly 5 of the battery pack.

[0031] Furthermore, as a preferred implementation manner, a plurality of first connection holes 205 are provided on both the support plate 201 and the support portion 204. The first connection holes 205 are used for installing bolts, and the lower support assembly 2 can be connected and fixed to the lower box assembly 5 of the battery pack through the bolts.

[0032] Furthermore, as a preferred implementation manner, the support portion 204 and the support plate 201 are perpendicularly arranged. The included angle between the support portion 204 and the support plate 201 can be 90°, and the specific included angle size can be set according to needs.

[0033] Furthermore, as a preferred implementation manner, the upper support assembly 1 includes a support beam 101 and a plurality of clamping mechanisms provided on one side of the support beam 101. The clamping mechanisms are used to connect with the cross beams on the side wall of the upper box assembly 4 of the battery pack, and the clamping mechanisms and the support beam 101 can be connected by welding, making the connection between the clamping mechanisms and the support beam 101 more stable.

[0034] Further, as a preferred embodiment, each clamping mechanism includes a clamping block 102. One end of the clamping block 102 is connected to the support beam 101, and a notch 103 is formed at the other end of the clamping block 102. A second connection hole is provided on the upper sidewall and / or the lower sidewall of the notch 103. Refer to Figure 1 As shown, the notch 103 on the clamping block 102 is used to connect with the cross beam on the side wall of the upper box assembly 4 of the battery pack. Bolts can be arranged in the second connection holes, and the cross beam of the upper box assembly 4 of the battery pack is fixed in the notch 103 through the bolts, so as to realize the connection and fixation between the upper support assembly 1 and the upper box assembly 4 of the battery pack.

[0035] Further, as a preferred embodiment, the leaf spring fixing member 3 includes a fixing plate 301. One end of the fixing plate 301 is connected to the support plate 201. A third connection hole 302 is respectively provided on the support plate 201 and the fixing plate 301, and the two third connection holes 302 are coaxially arranged. The fixing plate 301 is arranged in an "L" shape. Refer to Figure 3 As shown, one end of the fixing plate 301 is welded and fixed to the support plate 201. A gap for installing the leaf spring assembly 6 is formed between the fixing plate and the support plate 201. One end of the leaf spring assembly 6 is installed in this gap, and then the leaf spring assembly 6 is fixed by passing bolts through the third connection holes 302.

[0036] In this embodiment: 1. In the limited vehicle space environment, the designed integrated bracket can meet the size limit requirements, not only ensuring the stiffness and strength performance requirements of the box body, taking into account the restraint and fixation requirements of the lower box assembly 5 of the battery pack, the upper box assembly 4 of the battery pack and the leaf spring assembly 6, but also reducing the design and development of the support assembly of the upper box assembly 4 of the battery pack and the bracket of the leaf spring assembly 6. Moreover, the integrated bracket in this embodiment has good mechanical properties, with excellent load-bearing capacity and anti-deformation ability, high integration in structure, simple design, high cost performance and good manufacturing feasibility, which is convenient for mass production.

[0037] During use, the upper support assembly 1 and the lower support assembly 2 are connected by bolts, and then the lower support assembly 2 is connected to the lower box assembly 5 of the battery pack by bolts, specifically to the bottom frame beam and the side frame beam of the lower box assembly 5 of the battery pack. Then, the support plate 201 in the lower support assembly 2 is connected to the vehicle frame longitudinal beam 7, and then the upper support assembly 1 is connected and fixed to the cross beam of the upper box assembly 4 of the battery pack, so as to realize the installation of the integrated bracket.

[0038] The above are only preferred embodiments of the present invention, and do not limit the implementation manners and protection scope of the present invention. For those skilled in the art, it should be realized that all equivalent replacements and obvious changes made by using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated bracket, characterized in that, It includes an upper support assembly, a lower support assembly, and a leaf spring fixing member. The upper support assembly is provided at the upper end of the lower support assembly, and the leaf spring fixing member is provided at one end of the lower support assembly. The lower support assembly includes: A support plate, and a support portion is formed by bending the lower end of the support plate; A reinforcing rib assembly, and a plurality of the reinforcing rib assemblies are provided on the side wall of the support plate.

2. The integrated bracket according to claim 1, wherein, The reinforcing rib assembly includes a plurality of first reinforcing ribs arranged horizontally and a plurality of second reinforcing ribs arranged vertically, and the first reinforcing ribs and the second reinforcing ribs are arranged in a crisscross manner.

3. The integrated bracket according to claim 1, characterized in that A plurality of first connection holes are provided on both the support plate and the support portion.

4. The integrated bracket according to claim 1, characterized in that, The support portion and the support plate are arranged perpendicular to each other.

5. The integrated bracket according to claim 1, wherein The upper support assembly includes a support beam and a plurality of clamping mechanisms provided on one side of the support beam.

6. The integrated bracket according to claim 5, wherein Each of the clamping mechanisms includes a clamping block. One end of the clamping block is connected to the support beam, and a notch is formed at the other end of the clamping block. Second connection holes are formed in the upper side wall and / or the lower side wall of the notch.

7. The integrated bracket according to claim 1, characterized in that The upper support assembly and the lower support assembly are detachably connected.

8. The integrated bracket according to claim 1, wherein The leaf spring fixing member includes a fixing plate. One end of the fixing plate is connected to the support plate, and a third connection hole is respectively provided on the support plate and the fixing plate, and the two third connection holes are coaxially arranged.

9. The integrated bracket according to claim 8, wherein The fixing plate is arranged in an "L" shape.

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